CN114857755B - Control method of indoor unit, controller, indoor unit, air conditioner and storage medium - Google Patents

Control method of indoor unit, controller, indoor unit, air conditioner and storage medium Download PDF

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Publication number
CN114857755B
CN114857755B CN202210428619.7A CN202210428619A CN114857755B CN 114857755 B CN114857755 B CN 114857755B CN 202210428619 A CN202210428619 A CN 202210428619A CN 114857755 B CN114857755 B CN 114857755B
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Prior art keywords
temperature value
fan
comparison result
controlling
mode
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CN114857755A (en
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高建栋
卢景斌
邹大枢
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GD Midea Air Conditioning Equipment Co Ltd
Midea Group Wuhan HVAC Equipment Co Ltd
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GD Midea Air Conditioning Equipment Co Ltd
Midea Group Wuhan HVAC Equipment Co Ltd
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Publication of CN114857755A publication Critical patent/CN114857755A/en
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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
    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • 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
    • F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • 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)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides a control method of an indoor unit, a controller, the indoor unit, an air conditioner and a storage medium, comprising the following steps: acquiring a current heat exchange mode of an indoor unit; collecting a plurality of temperature values according to a heat exchange mode; when the heat exchange mode is a refrigeration mode, the plurality of temperature values comprise an indoor environment temperature value and an outdoor environment temperature value; when the heat exchange mode is a heating mode, the plurality of temperature values comprise a heat exchanger coil temperature value and an indoor environment temperature value; comparing the temperature values with corresponding preset temperature values, and controlling the running states of the first fan and the second fan according to the comparison result. According to the invention, different temperature values can be selected as the basis for adjusting the up-down air outlet according to different heat exchange modes, so that the flexibility is high; the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort.

Description

Control method of indoor unit, controller, indoor unit, air conditioner and storage medium
Technical Field
The present invention relates to the field of air conditioners, and in particular, to a control method of an indoor unit, a controller, an indoor unit, an air conditioner, and a storage medium.
Background
At present, for an air conditioner with an upper air outlet structure and a lower air outlet structure, in a refrigerating mode, when the indoor environment temperature is detected to be smaller than a preset temperature, the indoor temperature is indicated to reach the temperature set by a user, in order to reduce cold air feeling, the air conditioner only opens the upper air outlet to perform refrigeration, but if the outdoor environment temperature is higher, the radiation temperature is also higher, the problem that the refrigerating effect is not strong enough occurs when the lower air outlet is closed too early, and thus the comfort of the user is influenced; in the heating mode, when the temperature of the indoor heat exchanger coil is detected to be smaller than the preset temperature, the fact that the temperature of the heat exchanger coil does not reach the temperature set by a user is indicated, in order to reduce cold air feeling, the air conditioner only opens the upper air outlet to heat, and if the air conditioner only heats through the upper air outlet, heating is slow, and therefore comfort of the user is affected. Therefore, the air conditioner can only regulate the up-down air outlet mode by means of a single temperature under the refrigerating or heating mode, so that the up-down air outlet mode is difficult to regulate more reasonably and more finely, and the refrigerating or heating comfort of the air conditioner is affected.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a control method of an indoor unit, a controller, the indoor unit, an air conditioner and a storage medium, which can improve the refrigerating or heating comfort of the air conditioner.
In a first aspect, an embodiment of the present invention provides a control method for an indoor unit, where the indoor unit is provided with an upper air outlet, a lower air outlet, a first fan and a second fan, the first fan is used to drive air to be sent out from the upper air outlet, and the second fan is used to drive air to be sent out from the lower air outlet; the method comprises the following steps: acquiring a current heat exchange mode of the indoor unit; collecting a plurality of temperature values according to the heat exchange mode; wherein, when the heat exchange mode is a refrigeration mode, the plurality of temperature values include an indoor environment temperature value and an outdoor environment temperature value; when the heat exchange mode is a heating mode, the plurality of temperature values comprise a heat exchanger coil temperature value and an indoor environment temperature value; comparing the temperature values with corresponding preset temperature values, and controlling the running states of the first fan and the second fan according to the comparison result.
The control method of the indoor unit provided by the embodiment of the invention has at least the following beneficial effects: firstly, according to the embodiment of the invention, different temperature values can be correspondingly selected according to different heat exchange modes to serve as reference bases for adjusting the upper air outlet and the lower air outlet, so that the flexibility is high; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
According to some embodiments of the invention, when the heat exchange mode is a cooling mode, the comparing the plurality of temperature values with corresponding preset temperature values, and controlling the operation states of the first fan and the second fan according to the comparison result includes:
comparing the indoor environment temperature value with a first preset temperature value to obtain a first comparison result;
comparing the outdoor environment temperature value with a second preset temperature value to obtain a second comparison result;
and controlling the running states of the first fan and the second fan according to the first comparison result and the second comparison result.
According to some embodiments of the invention, the controlling the operation states of the first fan and the second fan according to the first comparison result and the second comparison result includes:
determining a corresponding first target operation parameter combination from first preset rule information according to the first comparison result and the second comparison result, wherein the first target operation parameter combination comprises a first target operation parameter of the first fan and a second target operation parameter of the second fan;
Controlling the first fan to operate at the first target operating parameter, and controlling the second fan to operate at the second target operating parameter.
According to some embodiments of the invention, the second preset temperature value comprises a first temperature value and a second temperature value, wherein the first temperature value is greater than the second temperature value; and controlling the running states of the first fan and the second fan according to the first comparison result and the second comparison result, wherein the running states comprise at least one of the following steps:
controlling the first fan and the second fan to operate at a first rotational speed when the first comparison result is that the indoor environment temperature value is smaller than the first preset temperature value and the second comparison result is that the outdoor environment temperature value is larger than or equal to the first temperature value;
controlling the first fan to operate at a first rotating speed and controlling the second fan to operate at a second rotating speed when the first comparison result is that the indoor environment temperature value is smaller than the first preset temperature value and the second comparison result is that the outdoor environment temperature value is larger than or equal to the second temperature value and smaller than the first temperature value, wherein the first rotating speed is higher than the second rotating speed;
And controlling the first fan to run at a first rotating speed and closing the second fan under the condition that the first comparison result is that the indoor environment temperature value is smaller than the first preset temperature value and the second comparison result is that the outdoor environment temperature value is smaller than the second temperature value.
According to some embodiments of the invention, when the heat exchange mode is a heating mode, the comparing the plurality of temperature values with corresponding preset temperature values, and controlling the operation states of the first fan and the second fan according to the comparison result includes:
comparing the indoor environment temperature value with a third preset temperature value to obtain a third comparison result;
comparing the temperature value of the heat exchanger coil with a fourth preset temperature value to obtain a fourth comparison result;
and controlling the running states of the first fan and the second fan according to the third comparison result and the fourth comparison result.
According to some embodiments of the invention, the controlling the operation states of the first fan and the second fan according to the third comparison result and the fourth comparison result includes:
determining a corresponding second target operation parameter combination from second preset rule information according to the third comparison result and the fourth comparison result, wherein the second target operation parameter combination comprises a third target operation parameter of the first fan and a fourth target operation parameter of the second fan;
Controlling the first fan to operate at the third target operating parameter, and controlling the second fan to operate at the fourth target operating parameter.
According to some embodiments of the invention, the third preset temperature value includes a third temperature value and a fourth temperature value, the fourth preset temperature value includes a fifth temperature value, a sixth temperature value, a seventh temperature value, and an eighth temperature value, wherein the third temperature value is greater than the fourth temperature value, and the fifth temperature value, the sixth temperature value, the seventh temperature value, and the eighth temperature value sequentially increase; and controlling the running states of the first fan and the second fan according to the third comparison result and the fourth comparison result, wherein the running states comprise at least one of the following steps:
turning off the first fan and the second fan when the fourth comparison result is that the temperature value of the heat exchanger coil is smaller than the fifth temperature value;
controlling the first fan and the second fan to both operate at a first rotational speed when the third comparison result is that the indoor ambient temperature value is greater than or equal to the third temperature value and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the sixth temperature value and less than the seventh temperature value, or when the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the seventh temperature value and less than the eighth temperature value;
Controlling the first fan to operate at a first rotational speed and controlling the second fan to operate at an intermediate rotational speed when the third comparison result is that the indoor ambient temperature value is greater than or equal to the third temperature value and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the fifth temperature value and less than the sixth temperature value, or when the third comparison result is that the indoor ambient temperature value is greater than or equal to the fourth temperature value and less than the third temperature value and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the sixth temperature value and less than the seventh temperature value, wherein the first rotational speed is greater than the intermediate rotational speed;
controlling the first fan to operate at an intermediate rotational speed and controlling the second fan to operate at a second rotational speed, wherein the intermediate rotational speed is higher than the second rotational speed, in the case that the third comparison result is that the indoor ambient temperature value is greater than or equal to the fourth temperature value and less than the third temperature value, and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the fifth temperature value and less than the sixth temperature value, or in the case that the third comparison result is that the indoor ambient temperature value is less than the fourth temperature value, and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the sixth temperature value and less than the seventh temperature value;
And controlling the first fan to operate at a second rotating speed and closing the second fan when the third comparison result is that the indoor environment temperature value is smaller than the fourth temperature value and the fourth comparison result is that the temperature value of the heat exchanger coil is larger than or equal to the fifth temperature value and smaller than the sixth temperature value.
In a second aspect, an embodiment of the present invention provides a controller, including: the indoor unit control system comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor realizes the indoor unit control method according to the first aspect when executing the computer program.
The controller according to the embodiment of the invention has at least the following beneficial effects: firstly, according to the embodiment of the invention, different temperature values can be correspondingly selected according to different heat exchange modes to serve as reference bases for adjusting the upper air outlet and the lower air outlet, so that the flexibility is high; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
In a third aspect, an embodiment of the present invention provides an indoor unit, including a controller as described in the second aspect.
The indoor unit provided by the embodiment of the invention has at least the following beneficial effects: firstly, according to the embodiment of the invention, different temperature values can be correspondingly selected according to different heat exchange modes to serve as reference bases for adjusting the upper air outlet and the lower air outlet, so that the flexibility is high; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
In a fourth aspect, an embodiment of the present invention provides an air conditioner, including an outdoor unit and an indoor unit according to the third aspect, where the outdoor unit is connected to the indoor unit.
The air conditioner provided by the embodiment of the invention has at least the following beneficial effects: firstly, according to the embodiment of the invention, different temperature values can be correspondingly selected according to different heat exchange modes to serve as reference bases for adjusting the upper air outlet and the lower air outlet, so that the flexibility is high; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
In a fifth aspect, an embodiment of the present invention provides a computer-readable storage medium storing computer-executable instructions for performing the control method of the indoor unit according to the first aspect.
The computer-readable storage medium according to the embodiment of the invention has at least the following advantageous effects: firstly, according to the embodiment of the invention, different temperature values can be correspondingly selected according to different heat exchange modes to serve as reference bases for adjusting the upper air outlet and the lower air outlet, so that the flexibility is high; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and do not limit the invention.
Fig. 1 is a schematic diagram of a system architecture platform for performing a control method of an indoor unit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an indoor unit according to an embodiment of the present invention;
fig. 3 is a flowchart of a control method of an indoor unit according to an embodiment of the present invention;
fig. 4 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 5 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 6 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 7 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 8 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
Fig. 9 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 10 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 11 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 12 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 13 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 14 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 15 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention;
fig. 16 is an overall flowchart of a control method of an indoor unit according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the related art, for an air conditioner with an upper air outlet structure and a lower air outlet structure, in a refrigerating mode, when the indoor environment temperature is detected to be smaller than a preset temperature, the indoor temperature is indicated to reach the temperature set by a user, in order to reduce cold air feeling, the air conditioner only opens the upper air outlet to perform refrigeration, but if the outdoor environment temperature is higher, the radiation temperature is also higher, the problem of insufficient refrigerating effect can occur when the lower air outlet is closed too early, so that the comfort of the user is affected; in the heating mode, when the temperature of the indoor heat exchanger coil is detected to be smaller than the preset temperature, the temperature of the heat exchanger coil is not up to the temperature set by a user, in order to reduce cold air feeling, the air conditioner only opens the upper air outlet to heat, and if the air conditioner only heats through the upper air outlet, the heating is slow, so that the comfort of the user is influenced, and the air conditioner is controlled only by the temperature of the heat exchanger coil without grading control, and the heating comfort of the air conditioner is influenced. Therefore, the air conditioner can only regulate the up-down air outlet mode by means of a single temperature under the refrigerating or heating mode, so that the up-down air outlet mode is difficult to regulate more reasonably and more finely, and the refrigerating or heating comfort of the air conditioner is affected.
Based on the above situation, the embodiment of the invention provides a control method of an indoor unit, a controller, the indoor unit, an air conditioner and a storage medium, wherein the indoor unit is provided with an upper air outlet, a lower air outlet, a first fan and a second fan, the first fan is used for driving air to be sent out from the upper air outlet, and the second fan is used for driving air to be sent out from the lower air outlet; the control method includes, but is not limited to, the steps of: acquiring a current heat exchange mode of an indoor unit; collecting a plurality of temperature values according to a heat exchange mode; when the heat exchange mode is a refrigeration mode, the plurality of temperature values comprise an indoor environment temperature value and an outdoor environment temperature value; when the heat exchange mode is a heating mode, the plurality of temperature values comprise a heat exchanger coil temperature value and an indoor environment temperature value; comparing the temperature values with corresponding preset temperature values, and controlling the running states of the first fan and the second fan according to the comparison result. According to the technical scheme of the embodiment of the invention, firstly, the embodiment of the invention can correspondingly select different temperature values according to different heat exchange modes as reference bases for adjusting the upper air outlet and the lower air outlet, and has strong flexibility; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
Embodiments of the present invention will be further described below with reference to the accompanying drawings.
As shown in fig. 1, fig. 1 is a schematic diagram of a system architecture platform for executing a control method of an indoor unit according to an embodiment of the present invention.
The system architecture platform 100 of the present embodiment includes one or more processors 110 and a memory 120, and in fig. 1, one processor 110 and one memory 120 are taken as an example.
The processor 110 and the memory 120 may be connected by a bus or otherwise, which is illustrated in FIG. 1 as a bus connection.
Memory 120, as a non-transitory computer-readable storage medium, may be used to store non-transitory software programs as well as non-transitory computer-executable programs. In addition, memory 120 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some implementations, the memory 120 optionally includes memory 120 remotely located relative to the processor 110, which may be connected to the system architecture platform 100 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
Those skilled in the art will appreciate that the device structure shown in fig. 1 is not limiting of the system architecture platform 100 and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
In the system architecture platform 100 shown in fig. 1, the processor 110 may be configured to invoke a control program of an air conditioner stored in the memory 120, thereby implementing a control method of an indoor unit.
Based on the hardware structure of the system architecture platform 100, various embodiments of the air conditioner of the present invention are presented.
As shown in fig. 2, fig. 2 is a schematic structural diagram of an indoor unit according to an embodiment of the present invention.
Specifically, the indoor unit 200 according to the embodiment of the present invention includes, but is not limited to, a main body casing 210, a first fan 220, a second fan 230, and a heat exchanger 240, wherein the first fan 220, the second fan 230, and the heat exchanger 240 are all mounted on the main body casing 210.
The body casing 210 is provided with an upper air outlet 211 and a lower air outlet 212, the first fan 220 is used for driving air to flow through the heat exchanger 240 and be sent out from the upper air outlet 211, and the second fan 230 is used for driving air to flow through the heat exchanger 240 and be sent out from the lower air outlet 212.
It should be noted that, regarding the first fan 220 and the second fan 230, the first fan 220 and the second fan 230 may be cross flow fans, centrifugal fans, or other types of fans, and the types of the first fan 220 and the second fan 230 are not limited in the embodiment of the present invention.
In addition, it should be noted that the indoor unit 200 according to the embodiment of the present invention may communicate with the controller, so that the controller may control the first fan 220 and the second fan 230.
It will be appreciated that with respect to the structure of the controller described above, a processor 110 and a memory 120 as shown in fig. 1 may be included.
It should be understood that the above-described mounting positions of the controllers may be provided in combination with the indoor unit 200 or may be provided independently of the indoor unit 200.
Based on the above-described hardware structures of the system architecture platform 600 and the indoor unit 200, various embodiments of the control method of the indoor unit of the present invention are presented.
As shown in fig. 3, fig. 3 is a flowchart of a control method of an indoor unit according to an embodiment of the present invention. The control method includes, but is not limited to, step S100, step S200, and step S300.
Step S100, acquiring a current heat exchange mode of an indoor unit;
step 200, collecting a plurality of temperature values according to a heat exchange mode; when the heat exchange mode is a refrigeration mode, the plurality of temperature values comprise an indoor environment temperature value and an outdoor environment temperature value; when the heat exchange mode is a heating mode, the plurality of temperature values comprise a heat exchanger coil temperature value and an indoor environment temperature value;
And step S300, comparing the plurality of temperature values with corresponding preset temperature values, and controlling the running states of the first fan and the second fan according to the comparison result.
Specifically, in order to improve the cooling or heating comfort of the air conditioner, during operation, firstly, the embodiment of the invention acquires the current heat exchange mode of the indoor unit, and because the heat exchange mode comprises a cooling mode or a heating mode, the embodiment of the invention acquires a plurality of different temperature values corresponding to the heat exchange mode according to the heat exchange mode; finally, the embodiment of the invention compares a plurality of different temperature values with respective corresponding preset temperature values, and controls the running states of the first fan and the second fan according to the comparison result.
It should be noted that, when the heat exchange mode is the refrigeration mode, the plurality of temperature values include an indoor environment temperature value and an outdoor environment temperature value; when the heat exchange mode is a heating mode, the plurality of temperature values includes a heat exchanger coil temperature value and an indoor ambient temperature value.
According to the technical scheme of the embodiment of the invention, firstly, the embodiment of the invention can correspondingly select different temperature values according to different heat exchange modes as reference bases for adjusting the upper air outlet and the lower air outlet, and has strong flexibility; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
In addition, the three temperature values may be acquired by a temperature sensor. Specifically, the indoor unit is connected with a first temperature sensor for detecting indoor environment temperature, a second temperature sensor for detecting outdoor environment temperature and a third temperature sensor for detecting heat exchanger coil temperature; under the condition that the type of the heat exchange mode is a refrigeration mode, acquiring an indoor environment temperature value through a first temperature sensor and acquiring an outdoor environment temperature value through a second temperature sensor. Under the condition that the type of the heat exchange mode is a heating mode, acquiring an indoor environment temperature value through a first temperature sensor and acquiring a heat exchanger coil temperature value through a third temperature sensor.
In addition, it should be noted that, regarding the above-mentioned operation states of controlling the first fan and the second fan, the rotation speed parameter, the frequency parameter, the gear parameter, or other parameters capable of changing the wind speed of the first fan and the second fan may be adjusted.
In addition, as shown in fig. 4, fig. 4 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. In the case that the heat exchange mode is the cooling mode, the comparing the plurality of temperature values with the corresponding preset temperature values in the step S300 and controlling the operation states of the first fan and the second fan according to the comparison result includes, but is not limited to, step S410, step S420 and step S430.
Step S410, comparing the indoor environment temperature value with a first preset temperature value to obtain a first comparison result;
step S420, comparing the outdoor environment temperature value with a second preset temperature value to obtain a second comparison result;
and step S430, controlling the running states of the first fan and the second fan according to the first comparison result and the second comparison result.
Specifically, in a cooling mode, an indoor environment temperature value and an outdoor environment temperature value are selected as reference bases for adjusting an up-down air outlet mode in the cooling mode, the indoor environment temperature value and a first preset temperature value are compared, the outdoor environment temperature value and a second preset temperature value are compared to obtain a first comparison result and a second comparison result respectively, and finally the running states of the first fan and the second fan are controlled according to the first comparison result and the second comparison result.
If the first comparison result indicates that the indoor environment temperature value is lower, and the second comparison result indicates that the outdoor environment temperature value is higher, it is proved that if the lower air outlet is closed too early, the problem that the refrigerating effect is not strong enough due to the outdoor environment radiation temperature occurs, and then the embodiment of the invention keeps the first fan and the second fan to continue to operate.
In addition, for example, if the first comparison result indicates that the indoor environment temperature value is lower and the second comparison result indicates that the outdoor environment temperature value is lower, it is proved that the current outdoor environment radiation temperature is lower, and even if the wind power of the air outlet is adjusted downwards, the problem that the refrigeration effect is not strong enough due to the outdoor environment radiation temperature is avoided, so that the wind speed of the second fan is reduced or the second fan is directly turned off.
In addition, as shown in fig. 5, fig. 5 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. Regarding the controlling of the operation states of the first fan and the second fan according to the first comparison result and the second comparison result in the above-mentioned step S430, there are included, but not limited to, the steps S431 and S432.
Step S431, determining a corresponding first target operation parameter combination from first preset rule information according to a first comparison result and a second comparison result, wherein the first target operation parameter combination comprises a first target operation parameter of a first fan and a second target operation parameter of a second fan;
step S432, controlling the first fan to operate at the first target operation parameter, and controlling the second fan to operate at the second target operation parameter.
Specifically, in the embodiment of the present invention, first preset rule information is pre-stored, where the first preset rule information stores first target operation parameter combinations of fans corresponding to different comparison results. In the embodiment of the invention, after the first comparison result and the second comparison result are obtained by comparison, the embodiment of the invention queries from the first preset rule information to determine the first target operation parameter combination corresponding to the first comparison result and the second comparison result.
It should be noted that each first target operation parameter combination includes two target operation parameters, which are the first target operation parameter of the first fan and the second target operation parameter of the second fan, respectively.
In addition, it should be noted that, regarding the first preset rule information, the form of the rule table may be the form of the rule table, or may be other forms, and the form of the first preset rule information is not limited in the embodiment of the present invention.
In addition, the first target operation parameter and the second target operation parameter in the first target operation parameter combination may be a rotation speed parameter, a frequency parameter, a gear parameter, and the like.
It is noted that when the second preset temperature value includes a first temperature value and a second temperature value, and the first temperature value is greater than the second temperature value; then, with respect to the controlling the operation states of the first fan and the second fan according to the first comparison result and the second comparison result in the above step S430, three cases in fig. 6 to 8 are specifically included but not limited.
As shown in fig. 6, fig. 6 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. Regarding step S430 described above, step S433 is included, but not limited thereto.
In step S433, when the first comparison result is that the indoor environmental temperature value is smaller than the first preset temperature value and the second comparison result is that the outdoor environmental temperature value is greater than or equal to the first temperature value, both the first fan and the second fan are controlled to operate at the first rotational speed.
Specifically, if the first comparison result is that the indoor environment temperature value is smaller than the first preset temperature value, and the second comparison result is that the outdoor environment temperature value is larger than or equal to the first temperature value, namely, the indoor environment temperature value meets the user requirement, but the outdoor environment temperature value is higher, the outdoor temperature environment radiation influence is higher, and the problem that the refrigerating effect is not strong enough due to the outdoor environment radiation temperature because the lower air outlet is closed too early easily occurs, then the embodiment of the invention can control the first fan and the second fan to operate at the first rotating speed, wherein the first rotating speed is the high wind speed.
As shown in fig. 7, fig. 7 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. Regarding step S430 described above, there is included, but not limited to, step S434.
In step S434, when the first comparison result is that the indoor environmental temperature value is smaller than the first preset temperature value, and the second comparison result is that the outdoor environmental temperature value is greater than or equal to the second temperature value and smaller than the first temperature value, the first fan is controlled to operate at a first rotational speed, and the second fan is controlled to operate at a second rotational speed, wherein the first rotational speed is higher than the second rotational speed.
Specifically, if the first comparison result is that the indoor environment temperature value is smaller than the first preset temperature value, and the second comparison result is that the outdoor environment temperature value is larger than or equal to the second temperature value and smaller than the first temperature value, that is, the indoor environment temperature value meets the user requirement, but the outdoor environment temperature value is not high or low, and the influence of the outdoor environment radiation is not high or low, the embodiment of the invention controls the first fan to operate at the first rotating speed, and controls the second fan to operate at the second rotating speed, wherein the first rotating speed is a high wind gear rotating speed, and the second rotating speed is a low wind gear rotating speed.
As shown in fig. 8, fig. 8 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. Regarding step S430 described above, there is included, but not limited to, step S435.
In step S435, when the first comparison result is that the indoor environmental temperature value is smaller than the first preset temperature value and the second comparison result is that the outdoor environmental temperature value is smaller than the second temperature value, the first fan is controlled to operate at the first rotational speed, and the second fan is turned off.
Specifically, if the first comparison result is that the indoor environment temperature value is smaller than the first preset temperature value, and the second comparison result is that the outdoor environment temperature value is smaller than the second temperature value, that is, the indoor environment temperature value meets the user requirement, meanwhile, the outdoor environment temperature value is lower, the influence of outdoor temperature environment radiation is lower, even if the wind power of the air outlet is downwards regulated, the problem that the refrigerating effect is not strong enough due to the outdoor environment radiation temperature is avoided, the first fan is controlled to operate at a first rotating speed, and the second fan is closed, wherein the first rotating speed is a high-wind-speed rotating speed.
In addition, as shown in fig. 9, fig. 9 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. In the case that the heat exchange mode is the heating mode, the comparing the plurality of temperature values with the corresponding preset temperature values in the step S300 and controlling the operation states of the first fan and the second fan according to the comparison result includes, but is not limited to, step S510, step S520 and step S530.
Step S510, comparing the indoor environment temperature value with a third preset temperature value to obtain a third comparison result;
step S520, comparing the temperature value of the heat exchanger coil with a fourth preset temperature value to obtain a fourth comparison result;
and step S530, controlling the running states of the first fan and the second fan according to the third comparison result and the fourth comparison result.
Specifically, in a heating mode, an indoor environment temperature value and a heat exchanger coil temperature value are selected as reference bases for adjusting an up-down air outlet mode in the heating mode, the indoor environment temperature value and a third preset temperature value are compared, the heat exchanger coil temperature value and a fourth preset temperature value are compared to obtain a third comparison result and a fourth comparison result respectively, and finally the running states of the first fan and the second fan are controlled according to the third comparison result and the fourth comparison result.
For example, if the third comparison result indicates that the indoor environmental temperature value is lower, if the lower air outlet is continuously opened, a cool air feeling may be generated, and therefore, a fourth comparison result needs to be combined, if the fourth comparison result indicates that the temperature value of the coil pipe of the heat exchanger is lower, which indicates that the air supply temperature of the lower air outlet is lower, and if the lower air outlet is continuously opened, the cool air feeling is obvious; if the fourth comparison result indicates that the temperature value of the coil pipe of the heat exchanger is higher, the air supply temperature of the lower air outlet is higher, and if the lower air outlet is opened, the cool air feeling is not obvious.
In addition, as shown in fig. 10, fig. 10 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. The operation states of the first fan and the second fan are controlled according to the third comparison result and the fourth comparison result in the above step S530, including but not limited to steps S531 and S532.
Step S531, determining a corresponding second target operation parameter combination from second preset rule information according to the third comparison result and the fourth comparison result, wherein the second target operation parameter combination comprises a third target operation parameter of the first fan and a fourth target operation parameter of the second fan;
step S532, the first fan is controlled to operate at a third target operating parameter, and the second fan is controlled to operate at a fourth target operating parameter.
Specifically, in the embodiment of the present invention, second preset rule information is pre-stored, where the second preset rule information stores second target operation parameter combinations of fans corresponding to different comparison results. In the embodiment of the present invention, after comparing the third comparison result and the fourth comparison result, the embodiment of the present invention queries from the second preset rule information to determine the second target operation parameter combination corresponding to the third comparison result and the fourth comparison result.
It should be noted that each second target operation parameter combination includes two target operation parameters, which are the third target operation parameter of the first fan and the fourth target operation parameter of the second fan, respectively.
In addition, it should be noted that, regarding the second preset rule information, the form of the rule table may be used, or other forms may be used.
The third target operation parameter and the fourth target operation parameter in the second target operation parameter combination may be a rotation speed parameter, a frequency parameter, a shift position parameter, or the like.
It is noted that, when the third preset temperature value includes a third temperature value and a fourth temperature value, the fourth preset temperature value includes a fifth temperature value, a sixth temperature value, a seventh temperature value, and an eighth temperature value, and the third temperature value is greater than the fourth temperature value, the fifth temperature value, the sixth temperature value, the seventh temperature value, and the eighth temperature value are sequentially increased; then, with respect to the above-described control of the operation states of the first fan and the second fan according to the third comparison result and the fourth comparison result in step S530, there are particularly, but not limited to, five cases in fig. 11 to 15.
As shown in fig. 11, fig. 11 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. Regarding step S530 described above, there is included, but not limited to, step S533.
And step S533, turning off the first fan and the second fan when the fourth comparison result is that the temperature value of the heat exchanger coil is smaller than the fifth temperature value.
As shown in fig. 12, fig. 12 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. With respect to step S530 described above, step S534 is included, but not limited thereto.
In step S534, when the third comparison result is that the indoor environmental temperature value is greater than or equal to the third temperature value, and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the sixth temperature value and less than the seventh temperature value, or when the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the seventh temperature value and less than the eighth temperature value, both the first fan and the second fan are controlled to operate at the first rotational speed.
As shown in fig. 13, fig. 13 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. With respect to step S530 described above, step S535 is included, but not limited thereto.
Step S535, controlling the first fan to operate at the first rotational speed and controlling the second fan to operate at the intermediate rotational speed when the third comparison result is that the indoor environment temperature value is greater than or equal to the third temperature value and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the fifth temperature value and less than the sixth temperature value, or when the third comparison result is that the indoor environment temperature value is greater than or equal to the fourth temperature value and less than the third temperature value and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the sixth temperature value and less than the seventh temperature value, wherein the first rotational speed is higher than the intermediate rotational speed.
As shown in fig. 14, fig. 14 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. With respect to step S530 described above, step S536 is included, but not limited thereto.
Step S536, when the third comparison result is that the indoor environment temperature value is greater than or equal to the fourth temperature value and less than the third temperature value, and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the fifth temperature value and less than the sixth temperature value, or when the third comparison result is that the indoor environment temperature value is less than the fourth temperature value, and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the sixth temperature value and less than the seventh temperature value, controlling the first fan to operate at an intermediate rotation speed, and controlling the second fan to operate at a second rotation speed, wherein the intermediate rotation speed is higher than the second rotation speed.
As shown in fig. 15, fig. 15 is a flowchart of a control method of an indoor unit according to another embodiment of the present invention. Regarding step S530 described above, there is included, but not limited to, step S537.
In step S537, when the third comparison result is that the indoor environmental temperature value is less than the fourth temperature value, and the fourth comparison result is that the temperature value of the heat exchanger coil is greater than or equal to the fifth temperature value and less than the sixth temperature value, the first fan is controlled to operate at the second rotation speed, and the second fan is turned off.
Based on the control methods of the indoor units according to the respective embodiments described above, an overall embodiment of the control method of the indoor unit according to the present invention is presented below, and as shown in fig. 16, an embodiment of the control method of the indoor unit in the cooling mode and the heating mode is included. Wherein, T1 represents indoor environment temperature value, T2 represents heat exchanger coil temperature value, T4 represents outdoor environment temperature value.
The embodiment of the control method of the indoor unit in the refrigeration mode of the invention is as follows:
the air conditioner starts a refrigeration mode, sets a high wind gear, detects the T1 < T set temperature after running for a period of time, and enters an intelligent air supply control mode at the moment if the T1 < T set temperature is met, and controls the running of the first fan and the second fan according to the rules set in the following table 1.
T1＜T
T4≥a The first fan runs in a high wind gear, and the second fan runs in a high wind gear
a＞T4≥b The first fan runs in a high wind gear, and the second fan runs in a low wind gear
T4＜b The first fan operates in high wind gear, and the second fan is closed
TABLE 1
Wherein a is larger than b, the first fan is an upper fan, and the second fan is a lower fan; the high wind gear is the first rotating speed, and the low wind gear is the second rotating speed.
When T4 is more than or equal to a, controlling the first fan to run in a high wind gear, and controlling the second fan to run in the high wind gear;
When a is more than T4 and more than or equal to b, the first fan is controlled to run in a high wind gear, and the second fan is controlled to run in a low wind gear;
and when T4 is less than b, controlling the first fan to run in a high wind gear, and closing the second fan.
The embodiment of the control method of the indoor unit in the heating mode of the invention is as follows:
the air conditioner is started to heat the mode, a high wind gear is set, and the operation of the first fan and the second fan is controlled according to the rules set in the table 2.
Figure BDA0003610867260000121
TABLE 2
Wherein c is larger than d, f is larger than k, e is larger than j, the first fan is a first fan, and the second fan is a second fan; the high wind gear is the first rotating speed, the medium wind gear is the middle rotating speed, and the low wind gear is the second rotating speed.
When T1 is more than or equal to c and j is less than or equal to T2 and less than e, controlling the first fan to operate in a high wind gear, and controlling the second fan to operate in a medium wind gear;
when T1 is more than or equal to c and e is less than or equal to T2 and less than e+k, controlling the first fan to operate in a high wind gear, and controlling the second fan to operate in the high wind gear;
when T1 is more than or equal to c and e+k is less than or equal to T2 and less than e+f, controlling the first fan to operate in a high wind gear, and controlling the second fan to operate in the high wind gear;
when c is more than T1 and more than or equal to d and j is less than or equal to T2 and less than e, controlling the first fan to operate in a middle wind gear, and controlling the second fan to operate in a low wind gear;
when c is more than T1 and more than or equal to d and e is less than or equal to T2 and less than e+k, controlling the first fan to operate in a high wind gear, and controlling the second fan to operate in a medium wind gear;
When c is more than T1 and more than or equal to d, and e+k is less than or equal to T2 and less than e+f, controlling the first fan to operate in a high wind gear, and controlling the second fan to operate in the high wind gear;
when T1 is less than d and j is less than or equal to T2 and less than e, the first fan runs in a low wind gear, and the second fan is closed;
when T1 is less than d and e is less than or equal to T2 and less than e+k, the first fan runs in a wind gear mode, and the second fan runs in a low wind gear mode;
when T1 is less than d and e+k is less than or equal to T2 and less than e+f, the first fan operates in high wind speed, and the second fan operates in high wind speed.
Regarding the technical solution of the embodiment of the present invention, for example, if a=35 ℃, b=30 ℃, c=23 ℃, d=18 ℃, j=23 ℃, e=28 ℃, k=2 ℃, f=5 ℃ are set;
(1) The air conditioner is in a refrigeration mode, a 27 ℃ high wind gear operation is set, and after a period of operation, the temperature is detected to be T1=26 ℃ less than a T set temperature=27 ℃):
if the temperature T4 = 36 ℃ higher than a = 35 ℃ is detected, the refrigerating requirement is large, so that the first fan and the second fan are continuously controlled to operate in a high wind gear, and the refrigerating effect is ensured.
If the condition that the temperature a=35 ℃ is higher than T4=32 ℃ is higher than b=30 ℃ is detected, the refrigerating demand is not large, the first fan is controlled to operate at a high wind level, the second fan is controlled to operate at a low wind level, the indoor temperature reaches the set temperature, and the second fan is controlled to operate at the low wind level, so that cold air feeling can be reduced, and refrigerating capacity can be provided.
If the temperature T4=28 ℃ less than b=30 ℃ is detected, the refrigerating demand is very low, the first fan is controlled to operate at a high wind level, and the second fan is closed, so that the cold wind feeling can be greatly reduced.
(2) The air conditioner is started to heat the mode, and the high wind gear operation at 30 ℃ is set:
if the operation is detected to be T1=15 ℃ < d=18 ℃, j=23 ℃ < T2=26 ℃ < e=28 ℃ after a period of time, the first fan is controlled to operate at a low wind gear, and the second fan is closed, so that people blown by cold wind are avoided.
If c=23 ℃ > t1=20 ℃ > d=18 ℃ and e=28 ℃ < t2=29 ℃ < e+k=30 ℃ is detected after a period of operation, the first fan is controlled to operate in a high wind gear and the second fan is controlled to operate in a medium wind gear.
If the operation is detected to be T1=24 ℃ > c=23 ℃ and j=23 ℃ < T2=27 ℃ < e=28 ℃ after a period of time, the first fan is controlled to operate in a high wind gear, and the second fan is controlled to operate in a medium wind gear.
Specifically, in the embodiment of the invention, the opening of the upper fan and the lower fan is reasonably controlled by combining the outdoor temperature and the indoor temperature in a refrigeration mode, so that the refrigeration effect is ensured when the cold load demand is large, cold air is prevented from directly blowing the feet of a human body when the cold load demand is small, and the refrigeration comfort is improved.
Under the heating mode, the opening of the upper fan and the lower fan is reasonably controlled by combining the indoor temperature and the indoor heat exchanger coil temperature, when the indoor temperature and the indoor heat exchanger coil temperature are higher, the fan is controlled to operate with a higher windshield as much as possible, the heating effect is improved, and when the indoor temperature and the indoor heat exchanger coil temperature are lower, the fan is controlled to operate with a lower windshield as much as possible, and the cold air feeling is avoided.
Based on the above-described control method of the indoor unit, various embodiments of the controller, the indoor unit, the air conditioner, and the computer-readable storage medium of the present invention are respectively presented below.
In addition, one embodiment of the present invention provides a controller including: a processor, a memory, and a computer program stored on the memory and executable on the processor.
The processor and the memory may be connected by a bus or other means.
It should be noted that, the controller in this embodiment may include a processor and a memory in the embodiment shown in fig. 1, which belong to the same inventive concept, so that the processor and the memory have the same implementation principle and beneficial effects, which are not described in detail herein.
The non-transitory software programs and instructions required to implement the control method of the indoor unit of the above-described embodiment are stored in the memory, and when executed by the processor, the control method of the indoor unit of the above-described embodiment is executed.
According to the technical scheme of the embodiment of the invention, firstly, the embodiment of the invention can correspondingly select different temperature values according to different heat exchange modes as reference bases for adjusting the upper air outlet and the lower air outlet, and has strong flexibility; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
It should be noted that, since the controller according to the embodiment of the present invention is capable of executing the control method of the indoor unit according to the above embodiment, specific implementation and technical effects of the controller according to the embodiment of the present invention may refer to specific implementation and technical effects of the control method of the indoor unit according to any one of the above embodiments.
In addition, an embodiment of the invention also provides an indoor unit, which comprises the controller.
According to the technical scheme of the embodiment of the invention, firstly, the embodiment of the invention can correspondingly select different temperature values according to different heat exchange modes as reference bases for adjusting the upper air outlet and the lower air outlet, and has strong flexibility; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
It should be noted that, since the indoor unit according to the embodiment of the present invention has the controller according to the embodiment, and the controller according to the embodiment is capable of executing the control method of the indoor unit according to the embodiment, specific implementation and technical effects of the indoor unit according to the embodiment of the present invention may refer to specific implementation and technical effects of the control method of the indoor unit according to any embodiment.
In addition, an embodiment of the invention also provides an air conditioner, which comprises an outdoor unit and the indoor unit, wherein the outdoor unit is connected with the indoor unit.
According to the technical scheme of the embodiment of the invention, firstly, the embodiment of the invention can correspondingly select different temperature values according to different heat exchange modes as reference bases for adjusting the upper air outlet and the lower air outlet, and has strong flexibility; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
It should be noted that, since the air conditioner according to the embodiment of the present invention has the indoor unit of the embodiment, and the indoor unit further includes the controller of the embodiment, and the controller of the embodiment is capable of executing the control method of the indoor unit of the embodiment, specific implementation and technical effects of the air conditioner according to the embodiment of the present invention may refer to specific implementation and technical effects of the control method of the indoor unit of any embodiment.
In addition, an embodiment of the present invention also provides a computer-readable storage medium storing computer-executable instructions for performing the control method of the indoor unit. Illustratively, the method steps in fig. 3-15 described above are performed.
According to the technical scheme of the embodiment of the invention, firstly, the embodiment of the invention can correspondingly select different temperature values according to different heat exchange modes as reference bases for adjusting the upper air outlet and the lower air outlet, and has strong flexibility; secondly, the embodiment of the invention can select a plurality of temperature values as reference bases for adjusting the up-down air outlet mode, which is different from the mode of adjusting the up-down air outlet mode by means of single temperature in the prior art, specifically, the embodiment of the invention selects an indoor environment temperature value and an outdoor environment temperature value as reference bases for adjusting the up-down air outlet mode in a refrigeration mode, considers the influence of the outdoor environment radiation temperature, and can improve the refrigeration comfort of the air conditioner; meanwhile, the embodiment of the invention selects the temperature value of the coil pipe of the heat exchanger and the indoor environment temperature value as the reference basis for adjusting the up-down air outlet mode in the heating mode, and considers the influence of the indoor environment temperature, thereby improving the heating comfort of the air conditioner. Therefore, the embodiment of the invention can more reasonably and more finely adjust the up-down air outlet mode, thereby improving the refrigerating or heating comfort of the air conditioner.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically include computer readable instructions, data structures, program modules, or other data in a modulated data signal, such as a carrier wave or other transport mechanism, and may include any information delivery media.
While the preferred embodiment of the present invention has been described in detail, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit and scope of the present invention, and these equivalent modifications or substitutions are included in the scope of the present invention as defined in the appended claims.

Claims (11)

1. The control method of the indoor unit is characterized in that the indoor unit is provided with an upper air outlet, a lower air outlet, a first fan and a second fan, wherein the first fan is used for driving air to be sent out from the upper air outlet, and the second fan is used for driving air to be sent out from the lower air outlet; the method comprises the following steps:
acquiring a current heat exchange mode of the indoor unit;
collecting a plurality of temperature values according to the heat exchange mode; wherein, when the heat exchange mode is a refrigeration mode, the plurality of temperature values include an indoor environment temperature value and an outdoor environment temperature value; when the heat exchange mode is a heating mode, the plurality of temperature values comprise a heat exchanger coil temperature value and an indoor environment temperature value;
comparing the temperature values with corresponding preset temperature values, and controlling the running states of the first fan and the second fan according to the comparison result.
2. The control method according to claim 1, wherein when the heat exchange mode is a cooling mode, the comparing the plurality of temperature values with corresponding preset temperature values, and controlling the operation states of the first fan and the second fan according to the comparison result, includes:
comparing the indoor environment temperature value with a first preset temperature value to obtain a first comparison result;
comparing the outdoor environment temperature value with a second preset temperature value to obtain a second comparison result;
and controlling the running states of the first fan and the second fan according to the first comparison result and the second comparison result.
3. The control method according to claim 2, wherein the controlling the operation states of the first fan and the second fan according to the first comparison result and the second comparison result includes:
determining a corresponding first target operation parameter combination from first preset rule information according to the first comparison result and the second comparison result, wherein the first target operation parameter combination comprises a first target operation parameter of the first fan and a second target operation parameter of the second fan;
Controlling the first fan to operate at the first target operating parameter, and controlling the second fan to operate at the second target operating parameter.
4. The control method according to claim 2, wherein the second preset temperature value includes a first temperature value and a second temperature value, wherein the first temperature value is greater than the second temperature value; and controlling the running states of the first fan and the second fan according to the first comparison result and the second comparison result, wherein the running states comprise at least one of the following steps:
controlling the first fan and the second fan to operate at a first rotational speed when the first comparison result is that the indoor environment temperature value is smaller than the first preset temperature value and the second comparison result is that the outdoor environment temperature value is larger than or equal to the first temperature value;
controlling the first fan to operate at a first rotating speed and controlling the second fan to operate at a second rotating speed when the first comparison result is that the indoor environment temperature value is smaller than the first preset temperature value and the second comparison result is that the outdoor environment temperature value is larger than or equal to the second temperature value and smaller than the first temperature value, wherein the first rotating speed is higher than the second rotating speed;
And controlling the first fan to run at a first rotating speed and closing the second fan under the condition that the first comparison result is that the indoor environment temperature value is smaller than the first preset temperature value and the second comparison result is that the outdoor environment temperature value is smaller than the second temperature value.
5. The control method according to claim 1, wherein, in the case where the heat exchange mode is a heating mode, the comparing the plurality of temperature values with corresponding preset temperature values, and controlling the operation states of the first fan and the second fan according to the comparison result, includes:
comparing the indoor environment temperature value with a third preset temperature value to obtain a third comparison result;
comparing the temperature value of the heat exchanger coil with a fourth preset temperature value to obtain a fourth comparison result;
and controlling the running states of the first fan and the second fan according to the third comparison result and the fourth comparison result.
6. The control method according to claim 5, wherein the controlling the operation states of the first fan and the second fan according to the third comparison result and the fourth comparison result includes:
Determining a corresponding second target operation parameter combination from second preset rule information according to the third comparison result and the fourth comparison result, wherein the second target operation parameter combination comprises a third target operation parameter of the first fan and a fourth target operation parameter of the second fan;
controlling the first fan to operate at the third target operating parameter, and controlling the second fan to operate at the fourth target operating parameter.
7. The control method according to claim 5, wherein the third preset temperature value includes a third temperature value and a fourth temperature value, the fourth preset temperature value includes a fifth temperature value, a sixth temperature value, a seventh temperature value, and an eighth temperature value, wherein the third temperature value is greater than the fourth temperature value, and the fifth temperature value, the sixth temperature value, the seventh temperature value, and the eighth temperature value are sequentially increased; and controlling the running states of the first fan and the second fan according to the third comparison result and the fourth comparison result, wherein the running states comprise at least one of the following steps:
turning off the first fan and the second fan when the fourth comparison result is that the temperature value of the heat exchanger coil is smaller than the fifth temperature value;
Controlling the first fan and the second fan to both operate at a first rotational speed when the third comparison result is that the indoor ambient temperature value is greater than or equal to the third temperature value and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the sixth temperature value and less than the seventh temperature value, or when the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the seventh temperature value and less than the eighth temperature value;
controlling the first fan to operate at a first rotational speed and controlling the second fan to operate at an intermediate rotational speed when the third comparison result is that the indoor ambient temperature value is greater than or equal to the third temperature value and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the fifth temperature value and less than the sixth temperature value, or when the third comparison result is that the indoor ambient temperature value is greater than or equal to the fourth temperature value and less than the third temperature value and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the sixth temperature value and less than the seventh temperature value, wherein the first rotational speed is greater than the intermediate rotational speed;
Controlling the first fan to operate at an intermediate rotational speed and controlling the second fan to operate at a second rotational speed, wherein the intermediate rotational speed is higher than the second rotational speed, in the case that the third comparison result is that the indoor ambient temperature value is greater than or equal to the fourth temperature value and less than the third temperature value, and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the fifth temperature value and less than the sixth temperature value, or in the case that the third comparison result is that the indoor ambient temperature value is less than the fourth temperature value, and the fourth comparison result is that the heat exchanger coil temperature value is greater than or equal to the sixth temperature value and less than the seventh temperature value;
and controlling the first fan to operate at a second rotating speed and closing the second fan when the third comparison result is that the indoor environment temperature value is smaller than the fourth temperature value and the fourth comparison result is that the temperature value of the heat exchanger coil is larger than or equal to the fifth temperature value and smaller than the sixth temperature value.
8. A controller, comprising: a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the control method of an indoor unit according to any one of claims 1 to 7 when the computer program is executed.
9. An indoor unit, characterized in that: comprising a controller as claimed in claim 8.
10. An air conditioner, characterized in that: comprising an outdoor unit and the indoor unit according to claim 9, the outdoor unit and the indoor unit being connected.
11. A computer-readable storage medium, characterized by: computer-executable instructions for performing the control method of an indoor unit according to any one of claims 1 to 7 are stored.
CN202210428619.7A 2022-04-22 2022-04-22 Control method of indoor unit, controller, indoor unit, air conditioner and storage medium Active CN114857755B (en)

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