CN115406044B - Constant-temperature dehumidification control method and device for air conditioner, computer equipment and air conditioner - Google Patents
Constant-temperature dehumidification control method and device for air conditioner, computer equipment and air conditioner Download PDFInfo
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- CN115406044B CN115406044B CN202210571370.5A CN202210571370A CN115406044B CN 115406044 B CN115406044 B CN 115406044B CN 202210571370 A CN202210571370 A CN 202210571370A CN 115406044 B CN115406044 B CN 115406044B
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000005485 electric heating Methods 0.000 claims abstract description 63
- 230000001965 increasing effect Effects 0.000 claims abstract description 52
- 230000008859 change Effects 0.000 claims description 50
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004590 computer program Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
- F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/873—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling refrigerant heaters
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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
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- 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)
- Human Computer Interaction (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner constant temperature dehumidification control method, a device, computer equipment and an air conditioner, wherein the method comprises the following steps: acquiring the temperature of an outdoor heat exchanger of the air conditioner; judging whether the temperature of the outdoor heat exchanger is greater than or equal to a preset heat exchanger temperature threshold value; and if the temperature of the outdoor heat exchanger is greater than or equal to the temperature threshold of the heat exchanger, the rotating speed of the outdoor fan and the temperature of the electric heating pipe are increased, so that the temperature of the outdoor heat exchanger is reduced, and the indoor environment temperature of the air conditioner is kept constant. The constant-temperature dehumidification control method of the air conditioner provided by the invention can timely cool down and ensure that the inner machine can provide accurate heat when the temperature of the main board is too high, so that the indoor constant-temperature state is maintained, and the user experience is improved.
Description
Technical Field
The present application relates to the field of air conditioning control technologies, and in particular, to a method and an apparatus for controlling constant temperature dehumidification of an air conditioner, a computer device, and an air conditioner.
Background
In the use of the air conditioner, a user needs to dehumidify the indoor environment at constant temperature, and the function can improve the indoor environment and improve the user experience.
In order to realize the constant temperature dehumidification function, an evaporator of an air conditioner is generally divided into two parts, an electromagnetic valve is additionally arranged between the two parts, and indoor humidity is reduced and temperature stability is maintained through cold and heat quantity offset between the two parts. However, in this case, the fan of the air conditioner external unit is often required to be reduced to a very low rotation speed, and the external heat exchange is reduced as much as possible, so as to transfer enough heat for the internal unit. Because the outdoor condenser is high in temperature and poor in heat dissipation, the temperature of the whole outdoor machine cavity and the temperature of the main board components of the controller are too high, and the main board is damaged after long-term operation. If the rotation speed of the external fan is increased to reduce the temperature of the main board, the heat quantity transferred to the room is reduced, so that the indoor temperature is reduced, and the expected constant temperature effect is not achieved. Due to the limitation of the above conditions, the constant temperature dehumidification function of the current air conditioner is poor.
Disclosure of Invention
The application relates to a constant-temperature dehumidification control method and device for an air conditioner, computer equipment and the air conditioner, which can improve the constant-temperature dehumidification effect of the air conditioner and improve the user experience.
The technical scheme is as follows:
in one aspect, a method for controlling constant temperature dehumidification of an air conditioner is provided, the method comprising:
acquiring the temperature of an outdoor heat exchanger of the air conditioner;
judging whether the temperature of the outdoor heat exchanger is greater than or equal to a preset heat exchanger temperature threshold value;
And if the temperature of the outdoor heat exchanger is greater than or equal to the temperature threshold of the heat exchanger, the rotating speed of the outdoor fan and the temperature of the electric heating pipe are increased, so that the temperature of the outdoor heat exchanger is reduced, and the indoor environment temperature of the air conditioner is kept constant. In another aspect, there is provided an air conditioner constant temperature dehumidification control device, the device comprising:
the outdoor heat exchanger temperature acquisition module is used for acquiring the temperature of the outdoor heat exchanger of the air conditioner;
The first judging module is used for judging whether the temperature of the outdoor heat exchanger is greater than or equal to a preset heat exchanger temperature threshold value;
And the operation control module is used for increasing the rotating speed of the outdoor fan and the temperature of the electric heating pipe if the temperature of the outdoor heat exchanger is greater than or equal to the temperature threshold of the heat exchanger so as to reduce the temperature of the outdoor heat exchanger and maintain the indoor environment temperature of the air conditioner constant.
In another aspect, a computer device is provided, where the computer device includes a processor and a memory, where the memory stores at least one instruction, at least one section of program, a code set, or an instruction set, and the processor may load and execute the at least one instruction, the at least one section of program, the code set, or the instruction set, so as to implement the method for controlling constant temperature and dehumidification of an air conditioner provided in the embodiment of the application.
In another aspect, there is provided an air conditioner, comprising:
a computer device as described above.
In another aspect, a computer readable storage medium is provided, where at least one instruction, at least one program, a code set, or an instruction set is stored in the readable storage medium, and a processor may load and execute the at least one instruction, the at least one program, the code set, or the instruction set, so as to implement the method for controlling constant temperature dehumidification of an air conditioner provided in the embodiment of the present application.
In another aspect, a computer program product or computer program is provided, the computer program title or computer program comprising computer program instructions stored in a computer readable storage medium. The processor reads the computer instructions from the computer-readable storage medium and executes the computer instructions so that the computer apparatus performs the air conditioner constant temperature dehumidification control method as described in any one of the above embodiments.
The technical scheme provided by the application has the beneficial effects that at least: the embodiment of the application provides a constant temperature dehumidification control method of an air conditioner, which comprises the following steps: acquiring the temperature of an outdoor heat exchanger of the air conditioner; judging whether the temperature of the outdoor heat exchanger is greater than or equal to a preset heat exchanger temperature threshold value; and if the temperature of the outdoor heat exchanger is greater than or equal to the temperature threshold of the heat exchanger, the rotating speed of the outdoor fan and the temperature of the electric heating pipe are increased, so that the temperature of the outdoor heat exchanger is reduced, and the indoor environment temperature of the air conditioner is kept constant. The air conditioner constant temperature dehumidification control method provided by the embodiment of the application can timely cool down and ensure that the internal machine can provide accurate heat when the temperature of the main board is too high, so that the indoor constant temperature state is maintained, and the user experience is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a diagram showing an air conditioner structure to which an air conditioner constant temperature dehumidification control method according to an exemplary embodiment of the present application is applied;
fig. 2 is a flowchart illustrating a constant temperature dehumidification control method of an air conditioner according to an exemplary embodiment of the present application;
Fig. 3 is a flowchart illustrating a method for controlling constant temperature dehumidification of an air conditioner according to an exemplary embodiment of the present application;
fig. 4 is a block diagram showing an air conditioner thermostatic dehumidifying control device according to an exemplary embodiment of the present application;
fig. 5 is a schematic structural diagram of a computer device for an air conditioner constant temperature dehumidification control method according to an exemplary embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The constant-temperature dehumidification control method of the air conditioner can achieve good constant-temperature dehumidification effect and improve user experience.
Embodiment 1,
Fig. 1 shows a schematic structural diagram of an air conditioner to which the method for dehumidifying an air conditioner according to the embodiment of the present invention is applied.
In fig. 1, 101 is a compressor, 102 is an outer machine fan blade, 103 is an outer machine heat exchanger, 104 is an outer machine expansion valve, 105 is an inner machine fan blade, 106 is an inner machine electric heating, 107 is an inner machine heat exchanger, 108 is an outer machine control main board, and 109 is an inner machine electric valve.
It should be noted that fig. 1 is only a schematic view of the air conditioner structure, and parts not related to the embodiment of the present invention are simplified and omitted.
The air conditioner operation mode will be described based on the air conditioner structure shown in fig. 1.
When the air conditioner is started in the constant temperature dehumidification mode, the rotation speed of the outer fan blade 102 is reduced, and the outer expansion valve 104 is opened, so that the refrigerant with higher outdoor temperature directly flows into the inner heat exchanger 107, namely the indoor evaporator. Referring to fig. 1, the indoor evaporator is divided into two parts, the middle of which is connected in series by an internal electromagnetic valve 109. When the hot refrigerant passes through the electromagnetic valve, the hot refrigerant is throttled into a low-temperature refrigerant, so that cold and hot offset is realized, and the indoor temperature is kept constant.
However, when the outdoor weather temperature is high or when the outdoor environment is not easy to dissipate heat, the temperature of the external heat exchanger 103, i.e., the condenser, is too high, which may cause the temperature of the external control motherboard 108 to be too high, and if the external control motherboard is operated for a long period of time, the motherboard components are easily burned.
Fig. 2 illustrates a flowchart of an air conditioner constant temperature dehumidification control method provided by an exemplary embodiment of the present application.
Referring to fig. 2, the method for controlling constant temperature dehumidification of an air conditioner provided by the present application may include steps 201 to 203.
Step 201: the temperature of an outdoor heat exchanger of the air conditioner is obtained.
In some embodiments, the step of obtaining the temperature of the outdoor heat exchanger of the air conditioner is performed when the air conditioner is operating in a constant temperature dehumidification mode. When the air conditioner operates in the constant temperature dehumidification mode, the rotating speed of the fan blade of the external machine is reduced, and when the external environment is hot, the condition that the temperature of the outdoor heat exchanger is too high possibly occurs to influence the safety and stability of components, so that the operation state of the air conditioner needs to be adjusted based on the temperature of the outdoor heat exchanger.
Step 202: and judging whether the temperature of the outdoor heat exchanger is greater than or equal to a preset heat exchanger temperature threshold.
When the temperature of the outdoor heat exchanger is greater than or equal to the preset heat exchanger temperature threshold, the outdoor heat exchange is not smooth at the moment, and the situation can lead to damage caused by the fact that the operation temperature of the main board is too high.
Optionally, the preset heat exchanger temperature threshold is 50 ℃.
After step 202, the method for controlling constant temperature dehumidification of an air conditioner according to the embodiment of the present invention may further include:
and if the temperature of the outdoor heat exchanger is smaller than the temperature threshold value of the heat exchanger, maintaining the original running state.
In some embodiments, when the external environment condition is good, the temperature of the outdoor heat exchanger is not too high temporarily, and the operation state of the air conditioner is not required to be adjusted.
Step 203: and if the temperature of the outdoor heat exchanger is greater than or equal to the temperature threshold of the heat exchanger, the rotating speed of the outdoor fan and the temperature of the electric heating pipe are increased, so that the temperature of the outdoor heat exchanger is reduced, and the indoor environment temperature of the air conditioner is kept constant.
In some embodiments, if the outdoor heat exchanger temperature is greater than or equal to the heat exchanger temperature threshold, increasing the speed of the outdoor fan and the electric heating tube temperature may include steps 301 through 303.
Step 301: and increasing the rotating speed of the outdoor fan to a preset first rotating speed, and increasing the temperature of the electric heating pipe to a preset first temperature.
In some embodiments, the method may further include obtaining a user set temperature of the air conditioner and an indoor environment temperature in which the air conditioner is located.
In some embodiments, the first temperature is greater than the indoor ambient temperature.
Specifically, the step of increasing the rotation speed of the outdoor fan to a preset first rotation speed refers to the step of increasing the initial rotation speed of the outdoor fan to the preset first rotation speed in a constant-temperature dehumidification state.
Alternatively, the initial rotational speed is 200r and the first rotational speed is 500r.
After the rotation speed of the outdoor fan is increased, the outdoor heat exchanger is fully radiated, so that the temperature of the refrigerant entering the indoor evaporator is greatly reduced, and the indoor environment temperature is reduced.
In order to maintain the indoor constant temperature environment after the rotation speed of the outdoor fan is increased, the temperature of the electric heating pipe is increased.
Optionally, the first temperature td=tc+10 ℃, tc being the indoor ambient temperature.
The temperature of the electric heating pipe is increased to be higher than the indoor environment temperature, so that the condition that water is blown at the air inlet of the air conditioner can be avoided. In practical use, if the temperature of the electric heating pipe is lower than the indoor environment temperature, the air in the air is dehumidified by the evaporator, and the temperature is reduced after dehumidification, so that dew is formed. If the temperature of the electric heating pipe is higher than the temperature of the dehumidified dry bulb, the condensation is not easy to form, so that the air inlet of the air conditioner is prevented from blowing water.
Step 302: and after a first preset time, judging whether the change value of the temperature of the outdoor heat exchanger meets a preset first condition or not, and judging whether the change value of the indoor environment temperature meets a preset second condition or not.
In some embodiments, the first preset time is 10 minutes.
Alternatively, the first condition is ΔTb less than or equal to-3 ℃. If the outdoor heat exchanger temperature can be reduced by 3 ℃ after ten minutes, the outdoor fan is operated at the first rotation speed, so that the temperature of the external condenser can be effectively reduced.
Optionally, the second condition is ΔTc being equal to or greater than 0deg.C. If the indoor environment temperature can not drop after ten minutes, the temperature of the electric heating pipe can meet the indoor constant temperature requirement.
Alternatively, the second condition may be set to ΔTc. Gtoreq.1℃or ΔTc. Gtoreq.2℃.
Step 303: and if the change value of the temperature of the outdoor heat exchanger meets the first condition and the change value of the temperature of the indoor environment meets the preset second condition, maintaining the rotating speed of the outdoor fan to operate at the first rotating speed and maintaining the temperature of the electric heating pipe to operate at the first temperature.
According to the air conditioner constant temperature dehumidification control method, in a constant temperature dehumidification function, when the temperature of a main board is too high, the temperature is reduced in time, the inner machine can be ensured to provide accurate heat, and the indoor constant temperature state is kept. Through the mutual adjustment of the rotating speed of the outdoor heat exchanger and the auxiliary heating temperature of the electric heating pipe, the temperature of the outdoor condenser can be finally reduced, the safety and reliability of the control main board of the outdoor unit are ensured, the indoor temperature is also maintained not to be reduced, and the comfort level of the indoor environment is maintained.
Embodiment II,
The method for controlling the constant temperature dehumidification of the air conditioner provided by the embodiment of the invention comprises steps 201 to 203, wherein the step 203 of adjusting the rotating speed of the outdoor fan and the temperature of the electric heating pipe can comprise steps 301 to 303.
After step 302, the method for controlling the constant temperature and the dehumidification of the air conditioner according to the embodiment of the present invention may further include other adjustment processes.
Step 201: the temperature of an outdoor heat exchanger of the air conditioner is obtained.
Step 202: and judging whether the temperature of the outdoor heat exchanger is greater than or equal to a preset heat exchanger temperature threshold.
Step 203: and if the temperature of the outdoor heat exchanger is greater than or equal to the temperature threshold of the heat exchanger, the rotating speed of the outdoor fan and the temperature of the electric heating pipe are increased, so that the temperature of the outdoor heat exchanger is reduced, and the indoor environment temperature of the air conditioner is kept constant.
In some embodiments, if the outdoor heat exchanger temperature is greater than or equal to the heat exchanger temperature threshold, increasing the rotation speed of the outdoor fan and the temperature of the electric heating tube may include steps 301 to 303.
Step 301: and increasing the rotating speed of the outdoor fan to a preset first rotating speed, and increasing the temperature of the electric heating pipe to a preset first temperature.
Step 302: and after a first preset time, judging whether the change value of the temperature of the outdoor heat exchanger meets a preset first condition or not, and judging whether the change value of the indoor environment temperature meets a preset second condition or not.
If the change value of the outdoor heat exchanger temperature meets the first condition and the change value of the indoor environment temperature does not meet the second condition, step 401 is executed: maintaining the rotating speed of the outdoor fan to be a first rotating speed, and increasing the temperature of the electric heating pipe according to a preset temperature gradient every time of the first preset time until the change value of the indoor environment temperature meets the second condition.
In some embodiments, the first preset time is 10 minutes.
In some embodiments, the preset temperature gradient is increased by 10 ℃ every ten minutes.
After step 401, the method may further comprise step 402: and if the temperature of the electric heating pipe reaches a preset highest temperature value and the change value of the indoor environment temperature does not meet the second condition, reducing the running frequency of the compressor.
In some embodiments, if the temperature of the electric heating pipe reaches a preset maximum temperature value (for example, 60 ℃), the indoor temperature still decreases, and the indoor temperature cannot be kept constant, the compressor is limited to perform frequency reduction, and a small part of dehumidification effect is sacrificed to keep the indoor temperature constant.
If the variation value of the outdoor heat exchanger temperature does not meet the preset first condition, step 501 is executed: and increasing the rotating speed of the outdoor fan according to the preset rotating speed gradient every interval for the first preset time until the temperature change value of the outdoor heat exchanger meets a preset first condition.
In some embodiments, the first preset time is 10 minutes.
In some embodiments, the preset rotational speed gradient is increased by 100r every ten minutes.
In some embodiments, after step 501, the method may further comprise step 502: and if the rotating speed of the outdoor fan reaches a preset maximum rotating speed value, and the temperature change value of the outdoor heat exchanger does not meet the first condition, reducing the running frequency of the compressor.
In some embodiments, if the outdoor fan speed is increased to a preset maximum speed value (e.g., 800 r), the temperature of the outdoor condenser is still too high, for example, higher than 55 ℃, the compressor is limited to perform frequency reduction, and a small portion of the dehumidification effect is sacrificed to prevent the outdoor heat exchanger from being too high in temperature, so as to protect the main board components.
In some embodiments, after step 501, the method may further comprise step 503: and if the change value of the indoor environment temperature does not meet the second condition, increasing the temperature of the electric heating pipe according to a preset temperature gradient every time when the first preset time is needed, until the change value of the indoor environment temperature meets the second condition.
The constant-temperature dehumidification method for the air conditioner provided by the embodiment of the invention can be used for carrying out feedback control on the rotating speed of the outdoor fan and the temperature of the electric heating pipe according to the operating condition of the air conditioner after the rotating speed of the outdoor fan and the temperature of the electric heating pipe are adjusted, so that the constant-temperature dehumidification effect of the air conditioner is further improved.
Third embodiment,
Fig. 3 shows a further flowchart of the method for controlling the constant temperature dehumidification of the air conditioner provided in real time.
Referring to fig. 3, in some embodiments, the method for initially controlling the constant temperature of an air conditioner according to the embodiment of the present invention may include the following processes.
After the air conditioner enters a constant temperature dehumidification mode operation, an outdoor heat exchanger temperature Tb, an indoor environment temperature Tc, an electric heating pipe temperature Td and a set temperature Te are detected.
Detecting whether the temperature Tb of the outdoor heat exchanger is more than or equal to 60 ℃, and if not, maintaining the current operation. At this time, the outdoor heat exchanger does not have the condition of overhigh temperature and does not need to be adjusted.
If the temperature Tb of the outdoor heat exchanger is more than or equal to 60 ℃, further judging whether the difference between the set temperature and the indoor environment temperature is more than or equal to 2 ℃, namely judging that Tdelta=Te-Tc is more than or equal to 2 ℃, if not, increasing the rotating speed of the outdoor fan to V2, and enabling the electric heating temperature to be more than or equal to Tc+20 ℃.
If the difference between the set temperature and the indoor environment temperature is greater than or equal to 2 ℃, the rotating speed of the external fan is increased to V1, and meanwhile, electric heating is started, and the electric heating temperature is greater than or equal to Tc+10 ℃. After 10 minutes of operation in the above state, it is judged whether the outdoor heat exchanger temperature change Δtb is less than 3 ℃ and the indoor environment temperature change Δtc is less than 0 ℃.
If the conditions are met, the rotating speed of the external fan is maintained to be V1, and the electric heating temperature is greater than or equal to Tc+10deg.C, and the operation is continued.
If the conditions are not met, the rotating speed of the external fan is increased to V2, and the electric heating temperature is greater than or equal to Tc+20 ℃ for operation.
According to the constant-temperature dehumidification control method for the air conditioner, the constant-temperature dehumidification process is achieved through the electromagnetic valve, electric heating is started when the temperature of components of the unit is too high, and the electric heating is controlled through linkage of the electric heating, the temperature of the external fan and the temperature of the condenser, so that energy conservation and user experience can be considered on the premise of preventing the temperature of the components from being too high.
Fourth embodiment,
Taking a specific application scenario as an example, the method for controlling constant temperature dehumidification of an air conditioner provided by the embodiment of the invention is further described.
In a specific application scenario, the outdoor temperature is high on a certain day, for example, up to 30 ℃.
After the user turns on the constant temperature dehumidification function, the temperature of the outdoor condenser is too high, for example, more than 50 ℃ because the rotating speed of the outdoor fan is very low and only 100-200 r. At this point the speed of the outdoor fan is increased to 500r, which would result in a decrease in the indoor heat exchanger temperature, for example from the previous 30 c to 24 c. In order to keep the indoor temperature constant, auxiliary electric heating needs to be turned on, and the indoor electric heating temperature is controlled at 40 ℃.
And after the indoor electric heating temperature is adjusted to 40 ℃ and the operation is carried out for ten minutes, judging is carried out. If the temperature of the outdoor condenser is reduced by more than 3 ℃, the 500r rotating speed of the outdoor fan is effective for heat dissipation of the outdoor condenser, and the outdoor fan can continue to operate according to the 500r rotating speed. Meanwhile, if the temperature of the indoor heat exchanger can be maintained at 30 ℃, the indoor electric heater is operated at 40 ℃, and the indoor temperature can be maintained stable.
If the temperature of the indoor electric heating is adjusted to 40 ℃ and then the temperature of the outdoor condenser is reduced by more than 3 ℃ after the operation is carried out for ten minutes, but the indoor temperature is reduced, which means that the electric heating power cannot meet the requirement of constant indoor temperature, the indoor electric heating temperature is adjusted to 50 ℃ and then the inspection is carried out again after the operation is carried out for ten minutes. If the requirement of constant indoor temperature cannot be met, continuously increasing the indoor electric heating temperature until the electric heating temperature reaches 60 ℃.
If the electric heating temperature reaches 60 ℃, the requirement of maintaining the stable indoor temperature cannot be met, the frequency of the compressor is reduced, for example, the frequency is reduced by 2hz every minute, and the judgment is made every ten minutes of operation until the operation is stable or the frequency is reduced to the lower limit of the frequency operation.
In summary, the constant-temperature dehumidification control method for the air conditioner provided by the embodiment of the invention can solve the problems of less indoor heat and temperature drop caused by increasing the rotating speed of the external machine and enhancing the heat dissipation in the constant-temperature dehumidification process of the air conditioner. Meanwhile, the problem of heat supplement under different indoor cooling conditions can be avoided, and the energy-saving effect is realized. In addition, in the method provided by the embodiment of the invention, cold and hot gases cannot be converged, so that the problem of dew condensation generated by the convergence of the cold and hot gases can be solved. Compared with the control mode of linkage of the dehumidification mode and the electric heating in the prior art, namely, the method for realizing the constant-temperature dehumidification function through the electric heater and taking the electric heating as the heat source for constant-temperature dehumidification, the constant-temperature dehumidification control method provided by the embodiment of the invention can start the electric heating process only when the temperature of the components of the unit is too high, and the electric heating process, the external fan and the temperature of the condenser are controlled in a linkage manner, so that the constant-temperature effect can be improved on the basis of effectively reducing the energy consumption, and the user experience is optimized.
Fifth embodiment (V),
Fig. 4 shows a schematic diagram of an air conditioner thermostatic dehumidification control device.
Referring to fig. 4, the constant temperature dehumidification control device for an air conditioner provided by the embodiment of the invention may include:
An outdoor heat exchanger temperature acquisition module 301 for acquiring an outdoor heat exchanger temperature of the air conditioner;
A first judging module 302, configured to judge whether the outdoor heat exchanger temperature is greater than or equal to a preset heat exchanger temperature threshold;
and the operation control module 303 is configured to increase the rotation speed of the outdoor fan and the temperature of the electric heating pipe if the temperature of the outdoor heat exchanger is greater than or equal to the heat exchanger temperature threshold, so that the temperature of the outdoor heat exchanger is reduced, and the indoor environment temperature where the air conditioner is located is kept constant.
In some embodiments, the constant temperature dehumidification control device for an air conditioner provided by the embodiment of the invention may further include:
And the operation maintaining module is used for maintaining the original operation state if the temperature of the outdoor heat exchanger is smaller than the temperature threshold value of the heat exchanger.
In some embodiments, the run control module 303 includes:
The first adjusting unit is used for increasing the rotating speed of the outdoor fan to a preset first rotating speed and increasing the temperature of the electric heating pipe to a preset first temperature;
The first judging unit is used for judging whether the change value of the temperature of the outdoor heat exchanger meets a preset first condition or not and judging whether the change value of the temperature of the indoor environment meets a preset second condition or not after a first preset time;
And the first operation control unit is used for maintaining the rotating speed of the outdoor fan to operate at the first rotating speed and maintaining the temperature of the electric heating pipe to operate at the first temperature if the change value of the temperature of the outdoor heat exchanger meets the first condition and the change value of the indoor environment temperature meets the preset second condition.
In some embodiments, the constant temperature dehumidification control device for an air conditioner provided by the embodiment of the invention may further include:
And the second operation control unit is used for maintaining the rotating speed of the outdoor fan to operate at a first rotating speed if the change value of the temperature of the outdoor heat exchanger meets the first condition and the change value of the temperature of the indoor environment does not meet the second condition, and increasing the temperature of the electric heating pipe according to a preset temperature gradient every time of the first preset time until the change value of the temperature of the indoor environment meets the second condition.
In some embodiments, the second operation control unit is further configured to: and if the temperature of the electric heating pipe reaches a preset highest temperature value and the change value of the indoor environment temperature does not meet the second condition, reducing the running frequency of the compressor.
In some embodiments, the constant temperature dehumidification control device for an air conditioner provided by the embodiment of the invention may further include:
and the third operation control unit is used for increasing the rotating speed of the outdoor fan according to the preset rotating speed gradient every interval when the change value of the temperature of the outdoor heat exchanger does not meet the preset first condition until the temperature change value of the outdoor heat exchanger meets the preset first condition.
In some embodiments, the third operation control unit is further configured to: and if the rotating speed of the outdoor fan reaches a preset maximum rotating speed value, and the temperature change value of the outdoor heat exchanger does not meet the first condition, reducing the running frequency of the compressor.
In some embodiments, the third operation control unit is further configured to: and if the change value of the indoor environment temperature does not meet the second condition, increasing the temperature of the electric heating pipe according to a preset temperature gradient every time when the first preset time is needed, until the change value of the indoor environment temperature meets the second condition.
The constant temperature dehumidification controlling means of air conditioner that this embodiment provided can just start the electrical heating process when the unit appears that the component temperature is too high, carries out coordinated control with electrical heating process and outer fan and condenser temperature, can improve constant temperature effect on the basis of effectively reducing the energy consumption, optimizes user experience.
Embodiment six,
Fig. 5 is a schematic structural diagram of a computer device of a home scene control method according to an exemplary embodiment of the present application, where the computer device includes:
processor 401, including one or more processing cores, executes various functional applications and data processing by running software programs and modules by processor 401.
The receiver 402 and the transmitter 403 may be implemented as one communication component, which may be a communication chip. Alternatively, the communication component may be implemented to include a signaling function. That is, the transmitter 403 may be used to transmit control signals to the image acquisition device and the scanning device, and the receiver 402 may be used to receive corresponding feedback instructions.
The memory 404 is coupled to the processor 401 by a bus 405.
The memory 404 may be used for storing at least one instruction, and the processor 401 is used for executing the at least one instruction to implement steps 201 to 203 in the above-described method embodiment.
Embodiment seven,
The embodiment of the application provides an air conditioner, which comprises the computer equipment.
Example eight,
The embodiment of the application also provides a computer readable storage medium, wherein at least one instruction, at least one section of program, code set or instruction set is stored in the readable storage medium, so that the processor loads and executes the instructions to realize the constant temperature dehumidification control method of the air conditioner.
Example nine,
The present application also provides a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions to cause the computer device to execute the air conditioner constant temperature dehumidification control method according to any one of the above embodiments.
Alternatively, the computer-readable storage medium may include: read Only Memory (ROM), random access Memory (RAM, random Access Memory), solid state disk (SSD, solid STATE DRIVES), or optical disk, etc. The random access memory may include resistive random access memory (ReRAM, RESISTANCE RANDOM ACCESS MEMORY) and dynamic random access memory (DRAM, dynamic Random Access Memory), among others. The foregoing description of the embodiments of the present application is provided for the purpose of illustration only, and does not represent the advantages or disadvantages of the implementation.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program for instructing relevant hardware, and the program may be stored in a computer readable storage medium, where the storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements within the spirit and principles of the present application.
Claims (10)
1. A constant temperature dehumidification control method of an air conditioner, characterized by comprising the following steps:
acquiring the temperature of an outdoor heat exchanger of the air conditioner;
judging whether the temperature of the outdoor heat exchanger is greater than or equal to a preset heat exchanger temperature threshold value;
if the temperature of the outdoor heat exchanger is greater than or equal to the temperature threshold of the heat exchanger, the rotating speed of the outdoor fan and the temperature of the electric heating pipe are increased, so that the temperature of the outdoor heat exchanger is reduced, and the indoor environment temperature of the air conditioner is kept constant;
the improvement of the rotating speed of the outdoor fan and the temperature of the heating pipe comprises the following steps:
increasing the rotating speed of the outdoor fan to a preset first rotating speed, and increasing the temperature of the electric heating pipe to a preset first temperature;
Judging whether the change value of the temperature of the outdoor heat exchanger meets a preset first condition or not and judging whether the change value of the temperature of the indoor environment meets a preset second condition or not after a first preset time;
If the temperature change value of the outdoor heat exchanger does not meet the preset first condition, increasing the rotating speed of the outdoor fan according to the preset rotating speed gradient every time when the first preset time is needed until the temperature change value of the outdoor heat exchanger meets the preset first condition;
after the rotating speed of the outdoor fan is increased according to the preset rotating speed gradient, the method further comprises the following steps:
And if the rotating speed of the outdoor fan reaches a preset maximum rotating speed value, and the temperature change value of the outdoor heat exchanger does not meet the first condition, reducing the running frequency of the compressor.
2. The method of claim 1, wherein after said determining whether the outdoor heat exchanger temperature is greater than or equal to a preset heat exchanger temperature threshold, the method further comprises:
and if the temperature of the outdoor heat exchanger is smaller than the temperature threshold value of the heat exchanger, maintaining the original running state.
3. The method of claim 1, wherein said increasing the speed of the outdoor fan and the heating tube temperature comprises:
increasing the rotating speed of the outdoor fan to a preset first rotating speed, and increasing the temperature of the electric heating pipe to a preset first temperature;
Judging whether the change value of the temperature of the outdoor heat exchanger meets a preset first condition or not and judging whether the change value of the temperature of the indoor environment meets a preset second condition or not after a first preset time;
And if the change value of the temperature of the outdoor heat exchanger meets the first condition and the change value of the temperature of the indoor environment meets the preset second condition, maintaining the rotating speed of the outdoor fan to operate at the first rotating speed and maintaining the temperature of the electric heating pipe to operate at the first temperature.
4. The method according to claim 3, wherein after the determining whether the variation value of the outdoor heat exchanger temperature satisfies a preset first condition and the determining whether the variation value of the indoor ambient temperature satisfies a preset second condition, the method further comprises:
If the change value of the temperature of the outdoor heat exchanger meets the first condition and the change value of the temperature of the indoor environment does not meet the second condition, maintaining the rotating speed of the outdoor fan to operate at a first rotating speed, and increasing the temperature of the electric heating pipe according to a preset temperature gradient every time of the first preset time until the change value of the temperature of the indoor environment meets the second condition.
5. The method of claim 4, wherein said increasing the temperature of said electric heating tube per said first predetermined time interval according to a predetermined temperature gradient further comprises:
and if the temperature of the electric heating pipe reaches a preset highest temperature value and the change value of the indoor environment temperature does not meet the second condition, reducing the running frequency of the compressor.
6. The method according to claim 1, wherein if the change value of the temperature of the outdoor heat exchanger does not satisfy the preset first condition, after increasing the rotation speed of the outdoor fan according to the preset rotation speed gradient every the first preset time, the method further includes:
And if the change value of the indoor environment temperature does not meet the second condition, increasing the temperature of the electric heating pipe according to a preset temperature gradient every time when the first preset time is needed, until the change value of the indoor environment temperature meets the second condition.
7. An air conditioner constant temperature dehumidification control device, characterized in that the device comprises:
the outdoor heat exchanger temperature acquisition module is used for acquiring the temperature of the outdoor heat exchanger of the air conditioner;
The first judging module is used for judging whether the temperature of the outdoor heat exchanger is greater than or equal to a preset heat exchanger temperature threshold value;
The operation control module is used for increasing the rotating speed of the outdoor fan and the temperature of the electric heating pipe if the temperature of the outdoor heat exchanger is greater than or equal to the temperature threshold of the heat exchanger so as to enable the temperature of the outdoor heat exchanger to be reduced and enable the indoor environment temperature of the air conditioner to be kept constant;
the operation control module includes:
The first adjusting unit is used for increasing the rotating speed of the outdoor fan to a preset first rotating speed and increasing the temperature of the electric heating pipe to a preset first temperature;
The first judging unit is used for judging whether the change value of the temperature of the outdoor heat exchanger meets a preset first condition or not and judging whether the change value of the temperature of the indoor environment meets a preset second condition or not after a first preset time;
the apparatus further comprises:
the third operation control unit is used for increasing the rotating speed of the outdoor fan according to the preset rotating speed gradient every interval for the first preset time if the change value of the temperature of the outdoor heat exchanger does not meet the preset first condition until the temperature change value of the outdoor heat exchanger meets the preset first condition;
The third operation control unit is further configured to: and if the rotating speed of the outdoor fan reaches a preset maximum rotating speed value, and the temperature change value of the outdoor heat exchanger does not meet the first condition, reducing the running frequency of the compressor.
8. A computer device comprising a processor and a memory, wherein the memory stores at least one instruction, at least one program, code set, or instruction set, which is loaded and executed by the processor to implement the air conditioner thermostatic dehumidification control method according to any one of claims 1 to 6.
9. An air conditioner, comprising:
The computer device of claim 8.
10. A computer-readable storage medium, wherein at least one instruction, at least one program, a code set, or an instruction set is stored in the readable storage medium, and the at least one instruction, the at least one program, the code set, or the instruction set is loaded and executed by a processor to implement the air conditioner constant temperature dehumidification control method according to any one of claims 1 to 6.
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