CN112178894B - Control method, air conditioner, and computer-readable storage medium - Google Patents

Control method, air conditioner, and computer-readable storage medium Download PDF

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Publication number
CN112178894B
CN112178894B CN202010999538.3A CN202010999538A CN112178894B CN 112178894 B CN112178894 B CN 112178894B CN 202010999538 A CN202010999538 A CN 202010999538A CN 112178894 B CN112178894 B CN 112178894B
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China
Prior art keywords
air conditioner
electric heater
controlling
environment temperature
temperature
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CN112178894A (en
Inventor
李华勇
颜利波
王命仁
李宏伟
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Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/022—Air heaters with forced circulation using electric energy supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
    • F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • 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

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

Abstract

The invention provides a control method, an air conditioner and a computer readable storage medium. The control method of the air conditioner comprises the following steps: responding to a heating instruction of the air conditioner, and acquiring the ambient temperature of the air conditioner; controlling the electric heater to work according to the ambient temperature; and controlling the electric heater to stop working and controlling the heat exchange device to work according to the ambient temperature or the working parameters of the electric heater. Therefore, the air inlet temperature is increased by auxiliary electric heating before the heat exchange device heats, so that the heat exchange device can quickly establish high pressure, and the potential safety hazard is eliminated while the heating speed of the air conditioner is improved. In addition, the electric heater can quickly heat up the indoor space, improve the heating capacity of the air conditioner, meet the heating requirement of a user and ensure the use comfort of the air conditioner.

Description

Control method, air conditioner, and computer-readable storage medium
Technical Field
The invention relates to the technical field of servers, in particular to a control method of an air conditioner, the air conditioner and a computer readable storage medium.
Background
With the rapid change of global climate, extreme low temperature weather is more and more, and thus, the demand of multi-split air heating at low temperature is gradually increased. However, when the indoor environment temperature and the outdoor temperature are both low, the air conditioning and heating system may not build high pressure for a long time, and the compressor may operate outside the operation range for a long time, which affects the reliability of the air conditioning system.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the present invention is to provide a control method of an air conditioner.
A second aspect of the present invention is to provide an air conditioner.
A third aspect of the invention is directed to a computer-readable storage medium.
In view of the above, according to a first aspect of the present invention, a method for controlling an air conditioner is provided, the air conditioner including a heat exchanging device and an electric heater, the electric heater being provided in an indoor unit of the air conditioner, the method comprising: responding to a heating instruction of the air conditioner, and acquiring the ambient temperature of the air conditioner; controlling the electric heater to work according to the ambient temperature; and controlling the electric heater to stop working and controlling the heat exchange device to work according to the ambient temperature or the working parameters of the electric heater.
According to the control method of the air conditioner, when a user issues a heating instruction, the ambient temperature of the space where the air conditioner is located is collected firstly. Wherein the ambient temperature includes outdoor ambient temperature and indoor ambient temperature. The electric heater is controlled according to the indoor and outdoor environmental temperature to carry out auxiliary heating to the indoor space so as to improve the air inlet temperature of the air conditioner. And after the ambient temperature or the working parameters of the electric heater are confirmed to reach the preset conditions, controlling the heat exchange device to normally work according to the heating instruction. Therefore, the air inlet temperature is increased by auxiliary electric heating before the heat exchange device heats, so that the heat exchange device can quickly establish high pressure, the operation stability of an air conditioner compressor is improved, the heating speed of the air conditioner is improved, and meanwhile potential safety hazards are eliminated. In addition, the electric heater can raise the temperature indoors, improve the heating capacity of the air conditioner, meet the heating requirement of a user and ensure the use comfort of the air conditioner.
In addition, according to the control method of the air conditioner in the above technical solution provided by the present invention, the following additional technical features may be further provided:
in the above technical solution, further, the ambient temperature includes an indoor ambient temperature and an outdoor ambient temperature; controlling the electric heater to work according to the ambient temperature specifically comprises: and controlling the electric heater to work based on that the indoor environment temperature is less than or equal to the first environment temperature threshold value and the outdoor environment temperature is less than or equal to the second environment temperature threshold value.
In the technical scheme, after the air conditioner receives a heating instruction, the heat exchange device is not started, and the indoor environment temperature and the outdoor environment temperature of the space where the air conditioner is located are obtained. When the two conditions that the environment temperature is less than or equal to the first environment temperature threshold value and the outdoor environment temperature is less than or equal to the second environment temperature threshold value are met, the indoor environment temperature and the outdoor environment temperature are determined to be lower than the temperature values corresponding to the pressure starting standards of the heat exchange device at the moment, the heat exchange device is not facilitated to establish high pressure, and then the electric heater is controlled to be started to heat the indoor space. On the one hand, the mode through electrical heating promotes indoor ambient temperature rapidly, satisfies user's the demand that heats, and on the other hand improves indoor air inlet temperature for heat transfer device establishes the high pressure, improves heat transfer device operational reliability.
Further, when the indoor environment temperature is greater than the first environment temperature threshold value or the outdoor environment temperature is greater than the second environment temperature threshold value, the heat exchange device can normally operate at the moment, and then the heat exchange device is directly controlled to start to work according to the heating instruction.
Wherein, first ambient temperature threshold value and second ambient temperature threshold value can rationally set up according to heat transfer device's operating parameter.
In any of the above technical solutions, further, according to the operating parameters of the electric heater, the electric heater is controlled to stop operating, and the heat exchange device is controlled to operate, which specifically includes: timing the working time of the electric heater; and controlling the electric heater to stop working and controlling the heat exchange device to work based on the working time length being greater than or equal to the time length threshold value.
In the technical scheme, when the indoor environment temperature is smaller than or equal to the first environment temperature threshold value and the outdoor environment temperature is smaller than or equal to the second environment temperature threshold value, the electric heater is controlled to be started, and the working time of the electric heater is started to be timed. If the working time is longer than or equal to the time threshold, the indoor environment temperature is indicated to reach the temperature range in which the heat exchange device can establish high pressure, the electric heater is controlled to stop working, and the heat exchange device is controlled to start working according to the heating instruction, so that the running stability of the air conditioner compressor is improved, and potential safety hazards are eliminated.
In any of the above technical solutions, further, according to the ambient temperature, the electric heater is controlled to stop working, and the heat exchanging device is controlled to work, which specifically includes: and controlling the electric heater to stop working and controlling the heat exchange device to work based on that the indoor environment temperature is greater than or equal to the third environment temperature threshold or the outdoor environment temperature is greater than or equal to the fourth environment temperature threshold.
In the technical scheme, the indoor environment temperature is continuously improved along with the work of the electric heating device. When the indoor environment temperature is greater than or equal to the third environment temperature threshold, the indoor environment temperature is indicated to reach a temperature range in which the heat exchange device can establish high pressure, the electric heater is controlled to stop working, and the heat exchange device is switched to continue to execute a heating program, so that the heat exchange device can be quickly started in a low-temperature environment, and the heating effect of the heat exchange device is improved. Similarly, in the electric heating process, if the outdoor environment temperature is detected to be greater than or equal to the fourth environment temperature threshold value, and the outdoor temperature is recovered to the temperature range which can enable the heat exchange device to establish high pressure, the electric heater is controlled to stop heating in time, and the heat exchange device is switched to continue to execute the heating program, so that misjudgment caused by reasons such as weather conversion can be avoided, and the energy loss of auxiliary electric heating can be reduced.
And the third environmental temperature threshold and the fourth environmental temperature threshold can be reasonably set according to the operating parameters of the heat exchange device. And the third ambient temperature threshold is the same as or different from the first ambient temperature threshold and the fourth ambient temperature threshold is the same as or different from the second ambient temperature threshold.
In any of the above technical solutions, further, the controlling the operation of the electric heater specifically includes: determining a difference between the indoor ambient temperature and a third ambient temperature threshold; determining the heating power of the electric heater according to the difference and the outdoor environment temperature; and controlling the electric heater to work according to the heating power.
In the technical scheme, under the condition that the indoor environment temperature is smaller than or equal to the first environment temperature threshold, the difference value between the indoor environment temperature and the third environment temperature threshold is calculated so as to determine the heat required to be generated by the current air conditioner. And matching the heating power of the electric heater according to the difference value between the indoor environment temperature and the first environment temperature threshold value, the outdoor environment temperature, the preset difference value and the corresponding relation between the outdoor environment temperature and the heating power, and controlling the electric heater to work according to the heating power. Therefore, the auxiliary electric heater is accurately controlled according to the determined difference and the detected outdoor environment temperature, the aim of reasonably controlling the auxiliary electric heating is fulfilled, and the power loss of the auxiliary electric heating is effectively reduced under the condition of ensuring the comfort level.
Further, as the indoor environment temperature continuously rises, the difference between the indoor environment temperature and the third environment temperature threshold is gradually reduced, the heating power can be adjusted according to the difference between the indoor environment temperature and the third environment temperature threshold obtained through current calculation and the outdoor environment temperature, the temperature control precision of the electric heater is further improved, and the resource consumption of the air conditioner is reduced.
In any of the above technical solutions, further, the air conditioner includes a fan; after controlling the electric heater to work, the method further comprises the following steps: determining working parameters of the fan according to the difference and the outdoor environment temperature; and controlling the fan to work according to the working parameters of the fan.
In the technical scheme, after the electric heater is started to perform indoor auxiliary heating, parameters required by the fan are determined according to the difference value between the indoor environment temperature and the first environment temperature threshold value, the outdoor environment temperature, the preset difference value and the corresponding relation between the outdoor environment temperature and the fan working parameters, and the indoor fan is controlled to be started. Therefore, the fan supplies air to the indoor, the electric heater is promoted to dissipate heat, the indoor environment temperature is favorably and quickly improved, the uniform heating is facilitated, and the heating speed of the air conditioner is improved while the energy consumption of the electric heater is reduced.
In any of the above technical solutions, further, the heat exchange device includes a compressor; controlling the work of the heat exchange device specifically comprises: determining the operating frequency of the compressor according to the target temperature and the indoor environment temperature in the heating instruction; controlling the compressor to work according to the running frequency; and controlling the compressor to stop working based on that the indoor environment temperature is greater than or equal to the target temperature.
In the technical scheme, when the air conditioner meets the condition that the heat exchange device carries out conventional heating, the heating demand of the air conditioner is determined according to the target temperature and the indoor environment temperature in the heating instruction, the operation frequency of the compressor is determined according to the demand, and the compressor is controlled to operate at the operation frequency. The heat exchange device is used for continuously detecting the indoor environment temperature in the heating process. When the indoor environment temperature is greater than or equal to the target temperature, the heating capacity is indicated to meet the user demand, the compressor is controlled to stop working until the indoor environment temperature is reduced to the preset temperature, and the compressor is restarted to realize intermittent heating. Under the condition of ensuring the comfort of the user, the heating mode is more efficient and energy-saving, and the automatic control is convenient to realize.
According to a second aspect of the present invention, there is provided an air conditioner comprising: a heat exchange device; the electric heater is arranged on an indoor unit of the air conditioner; the temperature detection device is configured to detect an environmental parameter where the air conditioner is located; a memory storing a computer program; and the processor is connected with the memory, the temperature detection device, the electric heater and the heat exchange device, and executes the control method of the air conditioner provided by the first aspect when executing the computer program. Therefore, the air conditioner has all the advantages of the control method of the air conditioner provided by the first aspect.
In any one of the above technical solutions, further, the heat exchange device includes: a compressor; the heat exchanger is connected with the compressor; and one end of the gas-liquid separator is connected with the compressor, and the other end of the gas-liquid separator is connected with the heat exchanger.
In the technical scheme, the heat exchanger comprises an evaporator and a cold energy device. When the air conditioner is in a heating mode, the compressor pressurizes a gaseous refrigerant, the refrigerant is made into a high-temperature and high-pressure refrigerant and is conveyed to the condenser to be condensed, liquefied and released, and therefore the heating purpose is achieved.
According to a third aspect of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the control method of the air conditioner set forth in the first aspect. Therefore, the computer-readable storage medium has all the advantages of the control method of the air conditioner proposed by the first aspect.
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
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a control method of an air conditioner according to still another embodiment of the present invention;
fig. 3 is a flowchart illustrating a control method of an air conditioner according to still another embodiment of the present invention;
fig. 4 is a flowchart illustrating a control method of an air conditioner according to still another embodiment of the present invention;
fig. 5 is a flowchart illustrating a control method of an air conditioner according to still another embodiment of the present invention;
fig. 6 is a flowchart illustrating a control method of an air conditioner according to still another embodiment of the present invention;
fig. 7 is a flowchart illustrating a control method of an air conditioner according to still another embodiment of the present invention;
fig. 8 is a flowchart illustrating a control method of an air conditioner according to still another embodiment of the present invention;
fig. 9 is a schematic view illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 10 shows a schematic block diagram of an air conditioner according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
A control method of an air conditioner, and a calculation readable storage medium according to some embodiments of the present invention are described below with reference to fig. 1 to 10.
Example 1:
as shown in fig. 1, according to an embodiment of the present invention, a method for controlling an air conditioner is provided, the air conditioner including a heat exchanging device and an electric heater, the electric heater being provided in an indoor unit of the air conditioner, the method including:
step 102, responding to a heating instruction of the air conditioner, and acquiring the ambient temperature of the air conditioner;
104, controlling the electric heater to work according to the ambient temperature;
and 106, controlling the electric heater to stop working and controlling the heat exchange device to work according to the environment temperature or the working parameters of the electric heater.
In this embodiment, when a user issues a heating instruction, the ambient temperature of the space where the air conditioner is located is collected first. Wherein the ambient temperature includes outdoor ambient temperature and indoor ambient temperature. The electric heater is controlled according to the indoor and outdoor environmental temperature to carry out auxiliary heating to the indoor space so as to improve the air inlet temperature of the air conditioner. And after the ambient temperature or the working parameters of the electric heater are confirmed to reach the preset conditions, controlling the heat exchange device to normally work according to the heating instruction. Therefore, the air inlet temperature is increased by auxiliary electric heating before the heat exchange device heats, so that the heat exchange device can quickly establish high pressure, the operation stability of an air conditioner compressor is improved, the heating speed of the air conditioner is improved, and meanwhile potential safety hazards are eliminated. In addition, the electric heater can raise the temperature indoors, improve the heating capacity of the air conditioner, meet the heating requirement of a user and ensure the use comfort of the air conditioner.
Specifically, the electric heater includes any one or a combination of the following: heating coil, heating plate, infrared heating member, in addition, electric heater's quantity is a plurality of, and a plurality of electric heater interval arrangement is favorable to promoting electric heater's whole heating efficiency like this. And can determine to operate one or more of the plurality of electric heaters according to the actual heat demand to meet different temperature rise demands.
Example 2:
as shown in fig. 2, according to an embodiment of the present invention, a method for controlling an air conditioner is provided, the air conditioner including a heat exchanging device and an electric heater, the electric heater being provided in an indoor unit of the air conditioner, the method including:
step 202, responding to a heating instruction of the air conditioner, and acquiring the ambient temperature of the air conditioner;
step 204, judging whether the indoor environment temperature is less than or equal to a first environment temperature threshold value, if so, entering step 206, and if not, entering step 208;
step 206, determining whether the outdoor environment temperature is less than or equal to the second environment temperature threshold, if so, entering step 210, and if not, entering step 208;
208, controlling the heat exchange device to work;
step 210, controlling the electric heater to work;
and 212, controlling the electric heater to stop working and controlling the heat exchange device to work according to the environment temperature or the working parameters of the electric heater.
In this embodiment, after receiving the heating instruction, the air conditioner does not start the heat exchange device, but obtains the indoor ambient temperature and the outdoor ambient temperature of the space where the air conditioner is located. When the two conditions that the environment temperature is less than or equal to the first environment temperature threshold value and the outdoor environment temperature is less than or equal to the second environment temperature threshold value are met, the indoor environment temperature and the outdoor environment temperature are determined to be lower than the temperature values corresponding to the pressure starting standards of the heat exchange device at the moment, the heat exchange device is not facilitated to establish high pressure, and then the electric heater is controlled to be started to heat the indoor space. On the one hand, the mode through electrical heating promotes indoor ambient temperature rapidly, satisfies user's the demand that heats, and on the other hand improves indoor air inlet temperature for heat transfer device establishes the high pressure, improves heat transfer device operational reliability.
Further, when the indoor environment temperature is greater than the first environment temperature threshold value or the outdoor environment temperature is greater than the second environment temperature threshold value, the heat exchange device can normally operate at the moment, and then the heat exchange device is directly controlled to start to work according to the heating instruction.
The first environment temperature threshold and the second environment temperature threshold can be reasonably set according to the operation parameters of the heat exchange device, for example, the first environment temperature threshold is-10 ℃ to 10 ℃, and the second environment temperature threshold is-50 ℃ to-10 ℃.
Example 3:
as shown in fig. 3, according to an embodiment of the present invention, a method for controlling an air conditioner is provided, the air conditioner including a heat exchanging device and an electric heater, the electric heater being provided in an indoor unit of the air conditioner, the method including:
step 302, responding to a heating instruction of the air conditioner, and acquiring the ambient temperature of the air conditioner;
step 304, controlling the electric heater to work according to the environment temperature, and timing the working time of the electric heater;
step 306, judging whether the working duration is greater than or equal to the duration threshold, if so, entering step 308, and if not, entering step 304;
and 308, controlling the electric heater to stop working and controlling the heat exchange device to work.
In the embodiment, when the indoor environment temperature is smaller than or equal to the first environment temperature threshold value and the outdoor environment temperature is smaller than or equal to the second environment temperature threshold value, the electric heater is controlled to be started, and the working time of the electric heater is started to be counted. If the working time is longer than or equal to the time threshold, the indoor environment temperature is indicated to reach the temperature range in which the heat exchange device can establish high pressure, the electric heater is controlled to stop working, and the heat exchange device is controlled to start working according to the heating instruction, so that the running stability of the air conditioner compressor is improved, and potential safety hazards are eliminated.
Example 4:
as shown in fig. 4, according to an embodiment of the present invention, a method for controlling an air conditioner is provided, the air conditioner including a heat exchanging device and an electric heater, the electric heater being provided in an indoor unit of the air conditioner, the method including:
step 402, responding to a heating instruction of the air conditioner, and acquiring the ambient temperature of the air conditioner;
step 404, determining whether the indoor ambient temperature is less than or equal to a first ambient temperature threshold, if so, entering step 406, and if not, entering step 408;
step 406, determining whether the outdoor environment temperature is less than or equal to a second environment temperature threshold value, if so, entering step 410, and if not, entering step 408;
step 408, controlling the heat exchange device to work;
step 410, controlling the electric heater to work;
step 412, the indoor ambient temperature is greater than or equal to the third ambient temperature threshold, if yes, step 414 is entered, and if no, step 410 is entered;
and step 414, controlling the electric heater to stop working, and controlling the heat exchange device to work.
In this embodiment, the indoor ambient temperature is continuously increased as the electric heating device is operated. When the indoor environment temperature is greater than or equal to the third environment temperature threshold, the indoor environment temperature is indicated to reach a temperature range in which the heat exchange device can establish high pressure, the electric heater is controlled to stop working, and the heat exchange device is switched to continue to execute a heating program, so that the heat exchange device can be quickly started in a low-temperature environment, and the heating effect of the heat exchange device is improved. The third environment temperature threshold value can be reasonably set according to the operation parameters of the heat exchange device, and is the same as or different from the first environment temperature threshold value.
Furthermore, because the electric heater is a heating device, the temperature may reach more than 100 ℃, and when the air conditioner runs at a high temperature for a long time, the hidden trouble of damaging other devices in the air conditioner exists, so if the working time of the electric heater is longer than or equal to the preset safe time, and the indoor environment temperature does not reach the third environment temperature threshold, the electric heater is directly turned off, and after the specified time is delayed, the electric heater is turned on again, so that the electric heating temperature is in a safe range, and the service life of the air conditioner is effectively prolonged.
Example 5:
as shown in fig. 5, according to an embodiment of the present invention, a method for controlling an air conditioner is provided, the air conditioner including a heat exchanging device and an electric heater, the electric heater being provided in an indoor unit of the air conditioner, the method including:
step 502, responding to a heating instruction of the air conditioner, and acquiring the ambient temperature of the air conditioner;
step 504, whether the indoor ambient temperature is less than or equal to the first ambient temperature threshold value, if yes, go to step 506, if no, go to step 508;
step 506, whether the outdoor environment temperature is less than or equal to the second environment temperature threshold value, if yes, go to step 510, if no, go to step 508;
step 508, controlling the heat exchange device to work;
step 510, controlling the electric heater to work;
step 512, the outdoor environment temperature is greater than or equal to the fourth environment temperature threshold, if yes, step 514 is entered, and if no, step 510 is entered;
and step 514, controlling the electric heater to stop working, and controlling the heat exchange device to work.
In this embodiment, in the electric heating process, if it is detected that the outdoor ambient temperature is greater than or equal to the fourth ambient temperature threshold value, and the outdoor temperature is recovered to a temperature range in which the heat exchange device can establish a high voltage, the electric heater is controlled to stop heating in time, and the heat exchange device is switched to continue to execute the heating program, so that misjudgment caused by reasons such as weather conversion can be avoided, and the reduction of energy loss of auxiliary electric heating is facilitated. Wherein, the fourth ambient temperature threshold value can be reasonably set according to the operating parameters of the heat exchange device, and the fourth ambient temperature threshold value is the same as or different from the second ambient temperature threshold value.
Example 6:
as shown in fig. 6, according to an embodiment of the present invention, a method for controlling an air conditioner is provided, the air conditioner including a heat exchanging device and an electric heater, the electric heater being provided in an indoor unit of the air conditioner, the method including:
step 602, responding to a heating instruction of an air conditioner, and acquiring the ambient temperature of the air conditioner;
step 604, determining whether the outdoor ambient temperature is less than or equal to a second ambient temperature threshold, if so, entering step 606, otherwise, entering step 608;
step 606, determining whether the indoor ambient temperature is less than or equal to a first ambient temperature threshold, if so, entering step 610, and if not, entering step 608;
step 608, controlling the heat exchange device to work;
step 610, determining a difference value between the indoor environment temperature and a third environment temperature threshold value;
step 612, determining the heating power of the electric heater according to the difference value between the indoor environment temperature and the third environment temperature threshold value and the outdoor environment temperature;
step 614, controlling the electric heater to work according to the heating power;
step 616, the indoor ambient temperature is greater than or equal to the third ambient temperature threshold, if yes, go to step 618, if no, go to step 614;
and step 618, controlling the electric heater to stop working, and controlling the heat exchange device to work.
In this embodiment, in the case where the indoor ambient temperature is less than or equal to the first ambient temperature threshold value, the difference between the indoor ambient temperature and the third ambient temperature threshold value is calculated in order to determine the amount of heat required to be generated by the current air conditioner. And matching the heating power of the electric heater according to the difference value between the indoor environment temperature and the first environment temperature threshold value, the outdoor environment temperature, the preset difference value and the corresponding relation between the outdoor environment temperature and the heating power, and controlling the electric heater to work according to the heating power. Therefore, the auxiliary electric heater is accurately controlled according to the determined difference and the detected outdoor environment temperature, the aim of reasonably controlling the auxiliary electric heating is fulfilled, and the power loss of the auxiliary electric heating is effectively reduced under the condition of ensuring the comfort level.
Further, as the indoor environment temperature continuously rises, the difference between the indoor environment temperature and the third environment temperature threshold is gradually reduced, the heating power can be adjusted according to the difference between the indoor environment temperature and the third environment temperature threshold obtained through current calculation and the outdoor environment temperature, the temperature control precision of the electric heater is further improved, and the resource consumption of the air conditioner is reduced.
Example 7:
as shown in fig. 7, according to an embodiment of the present invention, a method for controlling an air conditioner including a heat exchanging device and an electric heater provided in an indoor unit of the air conditioner is provided, the method including:
step 702, responding to a heating instruction of the air conditioner, and acquiring the ambient temperature of the air conditioner;
step 704, determining whether the outdoor ambient temperature is less than or equal to a second ambient temperature threshold, if so, entering step 706, otherwise, entering step 708;
step 706, determining whether the indoor ambient temperature is less than or equal to a first ambient temperature threshold, if so, entering step 710, and if not, entering step 708;
step 708, controlling the heat exchange device to work;
step 710, determining a difference between the indoor ambient temperature and a third ambient temperature threshold;
step 712, determining working parameters of the fan according to the difference value between the indoor environment temperature and the third environment temperature threshold value and the outdoor environment temperature;
714, controlling the electric heater to work, and controlling the fan to work according to the working parameters of the fan;
716, the indoor ambient temperature is greater than or equal to the third ambient temperature threshold, if yes, go to 718, if no, go to 714;
step 718, controlling the electric heater to stop working, and controlling the heat exchange device to work.
In this embodiment, after the electric heater is started to perform indoor auxiliary heating, parameters required by the fan are determined according to the difference between the indoor environment temperature and the first environment temperature threshold, the outdoor environment temperature, the preset difference, and the corresponding relationship between the outdoor environment temperature and the fan working parameters, and the indoor fan is controlled to be started. Therefore, the fan supplies air to the indoor, the electric heater is promoted to dissipate heat, the indoor environment temperature is favorably and quickly improved, the uniform heating is facilitated, and the heating speed of the air conditioner is improved while the energy consumption of the electric heater is reduced.
Specifically, the working parameters of the fan include a rotating speed, an air output and the like. In addition, the rotation angle of the air guide door can be determined according to the difference value between the indoor environment temperature and the third environment temperature threshold value and the outdoor environment temperature. For example, the larger the difference between the indoor ambient temperature and the third ambient temperature threshold value is, the larger the fan rotation angle is, the higher the heat cycle efficiency is improved, and meanwhile, the electric heater can be cooled, and the air conditioner is prevented from being damaged due to overhigh long-time running temperature of the electric heater.
Example 8:
as shown in fig. 8, according to an embodiment of the present invention, there is provided a method for controlling an air conditioner, the air conditioner including a heat exchanging device and an electric heater, the electric heater being provided in an indoor unit of the air conditioner, the method including:
step 802, responding to a heating instruction of the air conditioner, and acquiring the ambient temperature of the air conditioner;
step 804, controlling the electric heater to work according to the ambient temperature;
step 806, controlling the electric heater to stop working according to the ambient temperature or the working parameters of the electric heater;
808, determining the operating frequency of the compressor according to the target temperature and the indoor environment temperature in the heating instruction;
step 810, controlling the compressor to work according to the running frequency;
step 812, determining whether the indoor environment temperature is greater than or equal to the target temperature, if so, entering step 814, and if not, entering step 810;
and 814, controlling the compressor to stop working.
In this embodiment, when the air conditioner meets the condition that the heat exchange device performs normal heating, the heating demand of the air conditioner is determined according to the target temperature and the indoor environment temperature in the heating instruction, the operating frequency of the compressor is determined according to the demand, and the compressor is controlled to operate at the operating frequency. The heat exchange device is used for continuously detecting the indoor environment temperature in the heating process. When the indoor environment temperature is greater than or equal to the target temperature, the heating capacity is indicated to meet the user demand, the compressor is controlled to stop working until the indoor environment temperature is reduced to the preset temperature, and the compressor is restarted to realize intermittent heating. Under the condition of ensuring the comfort of the user, the heating mode is more efficient and energy-saving, and the automatic control is convenient to realize.
Example 9:
according to an embodiment of the present invention, a method for controlling an air conditioner is provided.
Specifically, as shown in fig. 9, when the outdoor ambient temperature T4 is not less than the second ambient temperature threshold a, and the indoor ambient temperature T1 is not less than the first ambient temperature threshold B, the user does not start the refrigeration system (heat exchange device) first, and starts the indoor unit electrical heating and the fan heating first.
When the indoor environment temperature T1 is greater than or equal to the third environment temperature threshold C, or the outdoor environment temperature T4 is greater than or equal to the fourth environment temperature threshold D, or the indoor machine electric heating starting time T is greater than or equal to the duration threshold E, the air conditioning system enters a conventional heating mode.
In this embodiment, when heating is performed at a low indoor temperature and a low outdoor temperature, the air conditioning system may not develop a high pressure for a long time, and the compressor may operate outside the operating range for a long time, which may affect the reliability of the air conditioning system. Therefore, when the indoor temperature and the outdoor temperature are both low, heating is carried out, the indoor side is heated to a certain temperature or heated for a period of time by starting the indoor electromechanical heating, and then the refrigerating system is operated for heating. Therefore, the system can quickly establish high voltage, and the reliability of the system is ensured.
Example 10:
as shown in fig. 10, according to an embodiment of the second aspect of the present invention, there is provided an air conditioner 900 including: a memory 902, a processor 904, a temperature detection device 906, an electric heater 909, and a heat exchanging device 910.
Specifically, the electric heater 909 is disposed in an indoor unit of the air conditioner 900, the memory 902 stores a computer program, the temperature detection device 906 can detect an environmental parameter of the air conditioner, the processor 904 is connected to the memory 902, the temperature detection device 906, the electric heater 909 and the heat exchange device 910, and the processor 904 executes the computer program to perform the following steps: responding to a heating instruction of the air conditioner 900, acquiring the ambient temperature of the air conditioner 900; controlling the electric heater 909 to operate according to the ambient temperature; according to the ambient temperature or the working parameters of the electric heater 909, the electric heater 909 is controlled to stop working, and the heat exchanging device 910 is controlled to work.
In this embodiment, when a user issues a heating instruction, the temperature detection device 906 first collects the ambient temperature of the space where the air conditioner 900 is located. Wherein the ambient temperature includes outdoor ambient temperature and indoor ambient temperature. The electric heater 908 is controlled to perform auxiliary heating for indoor according to the indoor and outdoor ambient temperatures to increase the intake air temperature of the air conditioner 900. After the ambient temperature or the working parameters of the electric heater 908 are confirmed to reach the preset conditions, the heat exchange device 910 is controlled to normally work according to the heating instruction. Therefore, before the heat exchange device 910 heats, the air inlet temperature is increased through auxiliary electric heating, so that the heat exchange device 910 can quickly establish high pressure, the operation stability of the air conditioner compressor is improved, the heating speed of the air conditioner 900 is improved, and meanwhile potential safety hazards are eliminated. In addition, the electric heater 908 can raise the temperature of the room, improve the heating capacity of the air conditioner, meet the heating requirement of the user and ensure the use comfort of the air conditioner.
Further, the air conditioner can be a household air conditioner, and can also be an air conditioning unit consisting of one outdoor unit and a plurality of indoor units.
Specifically, the temperature detection device detects and acquires the ambient temperature once every preset time interval. The time interval may be 10 seconds, 20 seconds, etc., and this embodiment is not limited thereto.
Example 11:
according to an embodiment of the invention, including the features defined in any of the above embodiments, and further: the heat exchange device comprises a compressor, a heat exchanger and a gas-liquid separator.
In detail, the heat exchanger comprises an evaporator and a condenser, the evaporator and the compressor are sequentially connected, and the gas-liquid separator is connected between the evaporator and the compressor.
In this embodiment, the heat exchanger includes an evaporator and a cold energy machine. When the air conditioner is in a heating mode, the compressor pressurizes a gaseous refrigerant, the refrigerant is made into a high-temperature and high-pressure refrigerant and is conveyed to the condenser to be condensed, liquefied and released, the liquefied liquid refrigerant is depressurized and then enters the evaporator to absorb heat and be gasified, and the gasified liquid refrigerant enters the compressor again to be circulated next time, so that the heating purpose is achieved.
Example 12:
according to an embodiment of a third aspect of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the control method of the air conditioner set forth in the first aspect. Therefore, the computer-readable storage medium has all the advantages of the control method of the air conditioner proposed in the first aspect, and will not be described herein again.
In the description herein, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly stated or limited otherwise; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A control method of an air conditioner is characterized in that the air conditioner comprises a heat exchange device and an electric heater, the electric heater is arranged on an indoor unit of the air conditioner, and the control method comprises the following steps:
responding to a heating instruction of the air conditioner, and acquiring the ambient temperature of the air conditioner;
controlling the electric heater to work according to the environment temperature;
controlling the electric heater to stop working and controlling the heat exchange device to work according to the environment temperature or the working parameters of the electric heater;
the ambient temperature comprises an indoor ambient temperature and an outdoor ambient temperature; the controlling the electric heater to work according to the environment temperature specifically comprises:
based on the indoor environment temperature is less than or equal to a first environment temperature threshold value, and the outdoor environment temperature is less than or equal to a second environment temperature threshold value, the indoor environment temperature and the outdoor environment temperature are determined to be lower than the temperature value corresponding to the pressure starting standard of the heat exchange device, and then the electric heater is controlled to work.
2. The method for controlling an air conditioner according to claim 1, wherein the controlling the electric heater to stop operating and the heat exchanging device to operate according to the operating parameter of the electric heater specifically comprises:
timing the working time of the electric heater;
and controlling the electric heater to stop working and controlling the heat exchange device to work based on the working time length being greater than or equal to the time length threshold value.
3. The method for controlling an air conditioner according to claim 1, wherein the controlling the electric heater to stop operating and the heat exchanging device to operate according to the ambient temperature specifically comprises:
and controlling the electric heater to stop working and controlling the heat exchange device to work based on that the indoor environment temperature is greater than or equal to a third environment temperature threshold value or the outdoor environment temperature is greater than or equal to a fourth environment temperature threshold value.
4. The method for controlling the air conditioner according to claim 3, wherein the controlling the electric heater to operate specifically comprises:
determining a difference between the indoor ambient temperature and the third ambient temperature threshold;
determining the heating power of the electric heater according to the difference and the outdoor environment temperature;
and controlling the electric heater to work according to the heating power.
5. The control method of an air conditioner according to claim 4, wherein the air conditioner includes a fan; after the controlling the electric heater to work, the method further comprises the following steps:
determining working parameters of the fan according to the difference and the outdoor environment temperature;
and controlling the fan to work according to the working parameters of the fan.
6. The control method of an air conditioner according to any one of claims 1 to 5, wherein the heat exchanging device includes a compressor; the control heat transfer device work specifically includes:
determining the operating frequency of the compressor according to the target temperature in the heating instruction and the indoor environment temperature;
controlling the compressor to work according to the running frequency;
and controlling the compressor to stop working based on the indoor environment temperature being greater than or equal to the target temperature.
7. An air conditioner, comprising:
a heat exchange device;
the electric heater is arranged on an indoor unit of the air conditioner;
a temperature detection device configured to detect an environmental parameter in which the air conditioner is located;
a memory storing a computer program;
a processor connected to the memory, the temperature detection device, the electric heater, and the heat exchanging device, the processor executing the computer program to perform the method of controlling an air conditioner according to any one of claims 1 to 6.
8. The air conditioner according to claim 7, wherein the heat exchanging means comprises:
a compressor;
the heat exchanger is connected with the compressor;
and one end of the gas-liquid separator is connected with the compressor, and the other end of the gas-liquid separator is connected with the heat exchanger.
9. A computer-readable storage medium on which a computer program is stored, the computer program being characterized by executing the control method of the air conditioner according to any one of claims 1 to 6 when executed by a processor.
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