CN109959127B - Unit control method and device and air conditioner - Google Patents

Unit control method and device and air conditioner Download PDF

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Publication number
CN109959127B
CN109959127B CN201910351675.3A CN201910351675A CN109959127B CN 109959127 B CN109959127 B CN 109959127B CN 201910351675 A CN201910351675 A CN 201910351675A CN 109959127 B CN109959127 B CN 109959127B
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change
unit
rate
speed
temperature
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CN109959127A (en
Inventor
方祥建
夏光辉
王现林
罗永前
施清清
张永亮
汤梓颖
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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

Abstract

The invention discloses a unit control method and device and an air conditioner. Wherein, the method comprises the following steps: acquiring a first change rate of the temperature of an inner pipe in a unit and a first change speed of the rate; comparing the first change rate with a preset change rate, and comparing the first change speed of the rate with the preset change speed; and if the first change rate is greater than or equal to the preset change rate and the first change speed of the rate is greater than or equal to the preset change speed, adjusting the rotating speed of the fan of the unit. The invention solves the technical problem that the compressor is damaged due to the overload protection of the compressor easily occurring when the air conditioning unit operates in the related technology.

Description

Unit control method and device and air conditioner
Technical Field
The invention relates to the technical field of air conditioner control, in particular to a unit control method and device and an air conditioner.
Background
In the related art, when a unit for controlling an air conditioner heats, the indoor environment temperature is often far higher than the outdoor environment temperature, which leads to easily reaching the limit value of an air conditioner compressor, thus the overload operation of the compressor can be reduced, and the service life of the compressor is shortened. If the outer fan is not stopped to balance the pressure, the compressor load becomes heavy due to overhigh system pressure, the compressor is subjected to overload protection, and the compressor is damaged due to frequent overload.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a unit control method and device and an air conditioner, and at least solves the technical problem that the compressor is damaged due to overload protection of the compressor when the air conditioner unit runs in the related technology.
According to an aspect of an embodiment of the present invention, there is provided a unit control method, including: acquiring a first change rate of the temperature of an inner pipe in a unit and a first change speed of the rate; comparing the first change rate with a preset change rate, and comparing a first change speed of the rate with a preset change speed; and if the first change rate is greater than or equal to a preset change rate and the first change speed of the rate is greater than or equal to a preset change speed, adjusting the rotating speed of the fan of the unit.
Further, the step of obtaining a first rate of change of the temperature of the inner tube in the unit and a first rate of change of the temperature includes: after the unit is started, detecting the temperature of an inner pipe of the unit by using a temperature sensing module of an evaporator of an indoor unit of the unit; after the temperature of the inner tube is determined to be higher than the preset temperature of the inner tube, calculating the change rate of the temperature of the inner tube to obtain the first change rate; and calculating the change speed of the first change speed to obtain the first change speed of the speed.
Further, the step of calculating the rate of change of the temperature of the inner tube to obtain the first rate of change includes: determining a plurality of detection time points; acquiring the temperature of the inner tube at each detection time point; calculating the temperature difference of the temperatures of the plurality of inner pipes; and calculating the ratio of the temperature difference to each detection time point to obtain the first change rate.
Further, the step of adjusting the fan speed of the unit includes: and controlling the rotating speed of an inner fan of the unit to be increased at a first increasing speed until the wind gear of the unit reaches a target wind gear.
Further, when acquiring a first change rate of the temperature of the inner pipe in the unit and a first change speed of the rate, the method further comprises: acquiring a second change rate of an inner ring temperature of the unit, wherein the inner ring temperature indicates an indoor environment temperature detected by the unit; and calculating the change speed of the second change rate to obtain the second change speed of the change rate of the inner ring temperature.
Further, after obtaining a second rate of change of the inner ring temperature, the method further comprises: when the first change rate is determined to be greater than or equal to a preset change rate and the first change speed of the rate is determined to be greater than or equal to a preset change speed, comparing the second change rate with a preset rate threshold, and comparing the second change speed of the change rate with a preset speed threshold; and if the second change rate is greater than or equal to a preset rate threshold value and the second change speed of the change rate is greater than or equal to a preset speed threshold value, increasing the rotating speed of the inner fan of the unit at a second increasing speed until the wind gear of the unit is controlled to reach the target wind gear.
Further, after comparing the first change speed of the velocity with a preset change speed, the method further comprises: if the first change rate is smaller than a preset change rate, or the first change speed of the rate is smaller than the preset change speed, acquiring the current fan rotating speed of the unit; and controlling the inner fan of the unit to continuously operate according to the current fan rotating speed, and returning to execute the step of obtaining the first change rate of the inner pipe temperature in the unit and the first change speed of the inner pipe temperature in the unit.
According to another aspect of the embodiments of the present invention, there is also provided a control apparatus for a plant, including: the acquiring unit is used for acquiring a first change rate of the temperature of an inner pipe in the unit and a first change speed of the rate; the comparison unit is used for comparing the first change rate with a preset change rate and comparing a first change speed of the rate with a preset change speed; and the adjusting unit is used for adjusting the rotating speed of the fan of the unit when the first change rate is greater than or equal to a preset change rate and the first change speed of the rate is greater than or equal to a preset change speed.
Further, the acquisition unit includes: the first detection module is used for detecting the temperature of an inner pipe of the unit by using a temperature sensing module of an evaporator of an indoor unit of the unit after the unit is started; the first calculation module is used for calculating the change rate of the temperature of the inner tube after the temperature of the inner tube is determined to be greater than the preset temperature of the inner tube, so that the first change rate is obtained; and the second calculation module is used for calculating the change speed of the first change speed to obtain the first change speed of the speed.
Further, the first calculation module includes: a first determination submodule for determining a plurality of detection time points; the first acquisition submodule is used for acquiring the temperature of the inner tube at each detection time point; the first calculation submodule is used for calculating the temperature difference of the temperatures of the inner pipes; and the second calculation submodule is used for calculating the ratio of the temperature difference to each detection time point to obtain the first change rate.
Further, the adjusting unit includes: the first control module is used for controlling the rotating speed of the inner fan of the unit to be increased at a first increasing speed until the wind gear of the unit reaches a target wind gear.
Further, the control device of the unit further includes: the system comprises a first obtaining module, a second obtaining module and a control module, wherein the first obtaining module is used for obtaining a first change rate of the temperature of an inner pipe in a unit and a second change rate of the temperature of an inner ring of the unit when obtaining the first change rate of the temperature and the first change speed of the inner pipe in the unit, and the temperature of the inner ring indicates the indoor environment temperature detected by the unit; and the third calculating module is used for calculating the change speed of the second change rate to obtain the second change speed of the change rate of the inner ring temperature.
Further, the control device of the unit further includes: the first comparison module is used for comparing the second change rate with a preset rate threshold value and comparing the second change rate with the preset speed threshold value when the first change rate is determined to be greater than or equal to the preset change rate and the first change rate of the rate is determined to be greater than or equal to the preset change rate after the second change rate of the inner ring temperature is obtained; and the second control module is used for increasing the rotating speed of the inner fan of the unit at a second increasing speed until the wind gear of the unit is controlled to reach the target wind gear if the second change rate is greater than or equal to a preset rate threshold and the second change speed of the change rate is greater than or equal to a preset speed threshold.
Further, the control device of the unit further includes: the second obtaining module is used for obtaining the current fan rotating speed of the unit if the first change speed of the speed is smaller than the preset change speed or the first change speed of the speed is smaller than the preset change speed after comparing the first change speed of the speed with the preset change speed; and the third control module is used for controlling the inner fan of the unit to continuously operate according to the current fan rotating speed and returning to execute the step of acquiring the first change rate of the inner pipe temperature in the unit and the first change speed of the inner pipe temperature in the unit.
According to another aspect of the embodiment of the present invention, there is also provided an air conditioner, wherein a program executed by a central control unit of the air conditioner corresponds to the control method of the unit described in any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium for storing a program, where the program, when executed by a processor, controls a device on which the storage medium is located to execute the control method of the unit.
According to another aspect of the embodiments of the present invention, there is also provided a processor, where the processor is configured to execute a program, where the program executes a control method for the unit described in any one of the above.
In the embodiment of the invention, a first change rate of the temperature of an inner pipe in a unit and a first change speed of the rate are obtained, the first change rate is compared with a preset change rate, the first change speed of the rate is compared with the preset change speed, and when the first change rate is greater than or equal to the preset change rate and the first change speed of the rate is greater than or equal to the preset change speed, the rotating speed of a fan of the unit is adjusted so that the temperature of a region controlled by the unit reaches a target temperature. In this embodiment, the fan rotational speed is adjusted to the rate of change of accessible inner tube temperature, adjusts the balanced air conditioning unit system pressure of inboard heat transfer volume, can be so that the complete machine operation, and the control room temperature reaches the settlement temperature fast, realizes air conditioning unit's comfortable operation, reduces the overload protection of compressor, reduces the spoilage of compressor, and then solves among the prior art when air conditioning unit operates, appears compressor overload protection easily, causes the technical problem of compressor damage.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flow chart of a control method of an assembly according to an embodiment of the invention;
fig. 2 is a flow chart of another method of controlling an assembly according to an embodiment of the invention;
fig. 3 is a schematic view of a control device of an assembly according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present invention, there is provided an embodiment of a method for controlling an assembly, it should be noted that the steps illustrated in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that described herein.
Fig. 1 is a flowchart of a control method of an assembly according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, acquiring a first change rate of the temperature of an inner pipe in a unit and a first change speed of the rate;
step S104, comparing the first change rate with a preset change rate, and comparing the first change rate of the rate with the preset change rate;
and S106, if the first change rate is greater than or equal to the preset change rate and the first change speed of the rate is greater than or equal to the preset change speed, adjusting the rotating speed of the fan of the unit.
In the above step, a first change rate of the temperature of the inner pipe in the unit and a first change speed of the rate may be obtained, the first change rate is compared with a preset change rate, the first change speed of the rate is compared with the preset change speed, and the rotating speed of the fan of the unit is adjusted when the first change rate is greater than or equal to the preset change rate and the first change speed of the rate is greater than or equal to the preset change speed, so that the temperature of the area controlled by the unit reaches the target temperature. In this embodiment, the fan rotational speed is adjusted to the rate of change of accessible inner tube temperature, adjusts the balanced air conditioning unit system pressure of inboard heat transfer volume, can be so that the complete machine operation, and the control room temperature reaches the settlement temperature fast, realizes air conditioning unit's comfortable operation, reduces the overload protection of compressor, reduces the spoilage of compressor, and then solves among the prior art when air conditioning unit operates, appears compressor overload protection easily, causes the technical problem of compressor damage.
The above steps of the embodiments of the present invention will be described in detail below.
The embodiment of the invention can be applied to various air conditioning units, and the air conditioning units comprise indoor units and outdoor units. The air conditioning unit can be various types of air conditioning units, for example, in a fixed-frequency air conditioning unit, the rotating speed of an inner fan is adjusted through the temperature change rate of an inner pipe, and the pressure of an inner-side heat exchange quantity balance fixed-frequency system is adjusted, so that the overload protection of a compressor does not occur to the whole air conditioning unit.
Step S102, a first change rate of the temperature of an inner pipe in the unit and a first change speed of the rate are obtained.
Optionally, the step of obtaining a first change rate of the temperature of the inner tube in the unit and a first change speed of the rate includes: after the unit is started, detecting the temperature of an inner pipe of the unit by using a temperature sensing module of an evaporator of an indoor unit of the unit; after the temperature of the inner tube is determined to be higher than the preset temperature of the inner tube, calculating the change rate of the temperature of the inner tube to obtain a first change rate; and calculating the change speed of the first change speed to obtain the first change speed of the speed.
Namely, the temperature of the inner pipe of the unit can be detected by a temperature sensing module (for example, a temperature sensing bulb or a temperature sensing meter) on the evaporator of the indoor unit. Optionally, setting the temperature of the inner tube to TInner pipe。
In addition, the preset inner pipe temperature may be an inner pipe temperature threshold value set by the various types of air conditioners, for example, the preset inner pipe temperature is set to be a ℃. Then at TInner pipeWhen the temperature is higher than A ℃, the change rate (rising rate/falling rate) of the inner tube temperature of the unit can be calculated, and then the change speed (temporarily determined as a first change speed) of the change rate is calculated according to the change rate (temporarily determined as a first change speed) of the inner tube temperature. Optionally, a first variation is setVelocity VInner pipeIs a number VInner pipe＝f(TInner pipe) And setting the first rate of change to aInner pipe，aInner pipe＝f'(TInner pipe)。
As an embodiment of the present invention, the step of calculating a rate of change of the temperature of the inner tube to obtain a first rate of change includes: determining a plurality of detection time points; acquiring the temperature of the inner tube at each detection time point; calculating the temperature difference of the temperatures of the plurality of inner pipes; and calculating the ratio of the temperature difference to each detection time point to obtain a first change rate.
Optionally, the detection time points are each time point intercepted from the recorded detection data, and a specific detection time is not specifically limited in the embodiment of the present invention.
In an embodiment of the present invention, when obtaining a first change rate of the temperature of the inner pipe in the unit and a first change speed of the rate, the method further includes: acquiring a second change rate of the inner ring temperature of the unit, wherein the inner ring temperature indicates the indoor environment temperature detected by the unit; and calculating the change speed of the second change rate to obtain the second change speed of the change rate of the inner ring temperature.
The inner loop temperature may be a detected ambient temperature of an area where the unit indoor unit is located. The temperature of the inner ring can be detected by a temperature sensing module arranged on the indoor unit. Optionally, setting the inner ring temperature to TInner ring。
When the inner ring temperature of the unit is calculated, the change rate of the inner ring temperature (temporarily defined as a second change rate) may be calculated, and then the change speed of the change rate (temporarily defined as a second change speed) may be calculated according to the change rate of the inner ring temperature (temporarily defined as a second change rate, which corresponds to the change rate of the inner ring temperature). Optionally, a second rate of change V is setInner ring，VInner ring＝f(TInner ring) And setting the first rate of change to aInner ring，aInner ring＝f'(TInner ring)。
And step S104, comparing the first change rate with a preset change rate, and comparing the first change speed of the rate with the preset change speed.
That is, the embodiment of the present invention may first compare the change condition of the temperature of the inner tube with a preset threshold, including comparing a first change rate of the temperature of the inner tube, and comparing a change speed of the first change rate.
The preset change rate and the preset change speed can be set by a worker or a user. For example, the preset variation rate is set to S1, and the preset variation speed is set to S2.
And S106, if the first change rate is greater than or equal to the preset change rate and the first change speed of the rate is greater than or equal to the preset change speed, adjusting the rotating speed of the fan of the unit.
I.e. detecting VInner pipeGreater than zero and equal to or greater than S1, while aInner pipeAnd S2, it is determined that the indoor environment temperature is high (but the preset temperature set by the user is not reached yet, the overload operation is required) when the air conditioning unit is in heating operation, and the outdoor temperature is low, which may cause the compressor to reach the operation limit value, so that the overload protection of the compressor occurs. At the moment, the rotating speed of the inner fan can be adjusted, so that the indoor temperature can be adjusted, the system pressure of the air conditioning unit can be balanced by adjusting the heat exchange quantity on the inner side, and the overload protection of the compressor can not occur to the whole air conditioning unit.
In an embodiment of the present invention, after comparing the first change speed of the velocity with the preset change speed, the method further includes: if the first change rate is smaller than the preset change rate, or the first change speed of the rate is smaller than the preset change speed, acquiring the current fan rotating speed of the unit; and controlling the inner fan of the unit to continuously operate according to the current fan rotating speed, and returning to execute the step of obtaining the first change rate of the inner pipe temperature in the unit and the first change speed of the inner pipe temperature in the unit. I.e. detecting VInner pipeGreater than zero and less than S1, while aInner pipeWhen the rotating speed is less than S2, the rotating speed of the whole machine can be kept unchanged, namely, although the indoor environment does not reach the preset temperature set by the user, the temperature can reach the preset temperature after the indoor environment operates for a period of time according to the current rotating speed, and the compressor does not need to operate in an overload mode.
As an optional embodiment of the present invention, the step of adjusting the rotation speed of the fan of the unit includes: and controlling the rotating speed of the inner fan of the unit to be increased at the first increasing speed until the wind gear of the unit reaches the target wind gear.
In the embodiment of the present invention, the first boost speed may be understood as a speed for boosting the current fan rotation speed. Alternatively, the first lifting speed is set to F1. Namely, the air conditioner whole machine raises the rotating speed of the inner fan at the speed F1, so that the wind level quickly reaches the maximum wind level value.
When the rotating speed of the fan is adjusted according to the change rate of the temperature of the inner pipe, the rotating speed of the fan can be adjusted according to the temperature of the inner ring.
In this embodiment of the present invention, after obtaining the second change speed of the change rate of the inner ring temperature, the method further includes: when the first change rate is determined to be greater than or equal to the preset change rate and the first change speed of the rate is determined to be greater than or equal to the preset change speed, comparing the second change rate with a preset rate threshold value, and comparing the second change speed of the change rate with the preset speed threshold value; and if the second change rate is greater than or equal to the preset rate threshold value and the second change speed of the change rate is greater than or equal to the preset speed threshold value, increasing the rotating speed of the inner fan of the unit at a second increasing speed until the wind gear of the control unit reaches the target wind gear.
Optionally, the preset speed threshold and the preset speed threshold are set according to an operation condition of the air conditioning unit. For example, a preset speed threshold is set to a (e.g., 0), and a preset speed threshold is set to B.
I.e. detecting VInner pipeGreater than zero and equal to or greater than S1, while aInner pipeIf V is detected at the same time when V is greater than or equal to S2Inner ringAnd aInner ringIs greater than A, and aInner ringAnd if the speed is greater than the preset speed threshold value B, the inner fan of the unit can be controlled to increase the rotating speed of the inner fan by adopting a second increasing speed. Alternatively, the second lifting speed may be a multiple of the first lifting speed, for example, the second lifting speed is 2 x F1. The rotating speed of an internal fan of the control unit is increased to the maximum windshield by 2 x F1 (the action is to make the indoor environment temperature reach the set temperature quickly, so that the whole machine is stopped when reaching the temperature point).
In the embodiment of the invention, if V is detectedInner pipeThe rotating speed of the inner fan is reduced to a set windshield by f within the range of more than zero, and V can be detected simultaneously in the windshield reducing processInner pipeAnd continuously acquiring the temperature of the inner tube, and then calculating the change rate of the temperature of the inner tube and the change rate of the temperature of the inner ring.
In the embodiment of the invention, when the temperature of the inner pipe is detected to be higher than the preset temperature threshold value, the outer fan is directly closed or the windshield of the outdoor unit is reduced to balance the operation pressure of the compressor, so that the complete machine can reliably operate.
In the embodiment of the invention, the rotating speed of the fan (mainly the rotating speed of the inner fan) can be adjusted through the temperature of the inner pipe and the change rate of the temperature of the inner ring, and further the system pressure of the air conditioning unit is balanced by adjusting the heat exchange quantity at the inner side, so that the overload protection of the compressor does not occur to the whole machine, and the comfortable operation of the whole machine is realized.
The invention is illustrated below by means of a further alternative embodiment.
Fig. 2 is a flowchart of another control method for an assembly according to an embodiment of the present invention, and as shown in fig. 2, the control method includes:
step S201, after the unit is started, the temperature of the inner pipe and the temperature of the inner ring are detected. The temperature of the inner pipe can be the temperature of the inner pipe of the unit detected by the temperature sensing bulb of the evaporator of the indoor unit, and the temperature of the inner ring refers to the detected indoor environment temperature.
Step S203, determining the change rate of the temperature of the inner pipe and the change rate of the temperature of the inner ring.
Step S205, comparing the change rate of the inner tube temperature with a first preset change rate, and comparing the change rate of the inner ring temperature with a second preset change rate.
And step S207, when the change rate of the inner pipe temperature is determined to exceed a first preset change rate and/or the change rate of the inner ring temperature exceeds a second preset change rate, adjusting the rotating speed of the inner fan. When the rotation speed of the inner fan is adjusted, the process returns to step 205, and the change rate of the inner ring temperature and the change rate of the inner pipe temperature are compared until the preset temperature point is reached.
And step S209, stopping when the preset temperature point is reached.
In the above steps, after the unit is started, the temperature of the inner pipe and the temperature of the inner ring can be detected, the change rate of the temperature of the inner pipe and the change rate of the temperature of the inner ring can be determined, and when the change rate of the temperature of the inner pipe is determined to exceed a first preset change rate and/or the change rate of the temperature of the inner ring exceeds a second preset change rate, the rotating speed of the inner fan is adjusted to stop at a preset temperature point. In the embodiment, the rotating speed of the fan can be adjusted through the change rate of the temperature of the inner pipe, the pressure of the air conditioning unit system is balanced by adjusting the inner side heat exchange quantity, the indoor temperature can be controlled to quickly reach the set temperature when the whole air conditioning unit operates, the comfortable operation of the air conditioning unit is realized, the overload protection of the compressor is not touched, the damage rate of the compressor is reduced, and the technical problem that the compressor is damaged due to the overload protection of the compressor easily occurs when the air conditioning unit operates in the related technology is solved.
The invention is illustrated below by means of a further alternative embodiment.
Fig. 3 is a schematic diagram of a control device of an assembly according to an embodiment of the present invention, and as shown in fig. 3, the control device may include: an obtaining unit 31, a comparing unit 33, an adjusting unit 35, wherein,
the acquiring unit 31 is used for acquiring a first change rate of the temperature of the inner pipe in the unit and a first change speed of the rate;
a comparing unit 33 for comparing the first change rate with a preset change rate, and comparing a first change speed of the rate with a preset change speed;
the adjusting unit 35 is configured to adjust the rotational speed of the fan of the unit when the first change rate is greater than or equal to the preset change rate and the first change speed of the first change rate is greater than or equal to the preset change speed.
The control device of the unit can acquire the first change rate of the temperature of the inner pipe in the unit and the first change speed of the rate through the acquisition unit 31, compare the first change rate with the preset change rate through the comparison unit 33, compare the first change rate of the rate with the preset change rate, and adjust the rotating speed of the fan of the unit through the adjustment unit 35 so that the temperature of the area controlled by the unit reaches the target temperature when the first change rate is greater than or equal to the preset change rate and the first change rate of the rate is greater than or equal to the preset change rate. In this embodiment, the fan rotational speed is adjusted to the rate of change of accessible inner tube temperature, adjusts the balanced air conditioning unit system pressure of inboard heat transfer volume, can be so that the complete machine operation, and the control room temperature reaches the settlement temperature fast, realizes air conditioning unit's comfortable operation, reduces the overload protection of compressor, reduces the spoilage of compressor, and then solves among the prior art when air conditioning unit operates, appears compressor overload protection easily, causes the technical problem of compressor damage.
Optionally, the obtaining unit includes: the first detection module is used for detecting the temperature of an inner pipe of the unit by using a temperature sensing module of an evaporator of an indoor unit of the unit after the unit is started; the first calculation module is used for calculating the change rate of the temperature of the inner tube after the temperature of the inner tube is determined to be greater than the preset temperature of the inner tube, so that a first change rate is obtained; and the second calculation module is used for calculating the change speed of the first change speed to obtain the first change speed of the speed.
Alternatively, the first calculation module includes: a first determination submodule for determining a plurality of detection time points; the first acquisition submodule is used for acquiring the temperature of the inner tube at each detection time point; the first calculation submodule is used for calculating the temperature difference of the temperatures of the inner pipes; and the second calculation submodule is used for calculating the ratio of the temperature difference to each detection time point to obtain a first change rate.
In an embodiment of the present invention, the adjusting unit includes: the first control module is used for controlling the rotating speed of the inner fan of the unit to be increased at a first increasing speed until the wind gear of the unit reaches a target wind gear.
Optionally, the control device of the machine set further includes: the first obtaining module is used for obtaining a first change rate of the temperature of an inner pipe in the unit and a second change rate of the temperature of an inner ring of the unit when the first change rate and the first change speed of the temperature of the inner pipe in the unit are obtained, wherein the temperature of the inner ring indicates the indoor environment temperature detected by the unit; and the third calculating module is used for calculating the change speed of the second change rate to obtain the second change speed of the change rate of the inner ring temperature.
As an optional embodiment of the present invention, the control device of the unit further includes: the first comparison module is used for comparing the second change rate with a preset rate threshold value and comparing the second change rate with the preset speed threshold value when the first change rate is determined to be greater than or equal to the preset change rate and the first change rate of the rate is determined to be greater than or equal to the preset change rate after the second change rate of the inner ring temperature is obtained; and the second control module is used for increasing the rotating speed of the inner fan of the unit at a second increasing speed until the wind gear of the control unit reaches the target wind gear if the second change rate is greater than or equal to the preset rate threshold and the second change speed of the change rate is greater than or equal to the preset speed threshold.
The control device of the above-mentioned unit further includes: the second obtaining module is used for obtaining the current fan rotating speed of the unit if the first change speed of the speed is smaller than the preset change speed or the first change speed of the speed is smaller than the preset change speed after comparing the first change speed of the speed with the preset change speed; and the third control module is used for controlling the inner fan of the unit to continuously operate according to the current fan rotating speed and returning to execute the step of acquiring the first change rate of the inner pipe temperature in the unit and the first change speed of the inner pipe temperature in the unit.
The control device of the above-mentioned unit may further include a processor and a memory, and the above-mentioned obtaining unit 31, the comparing unit 33, the adjusting unit 35, etc. are all stored in the memory as program units, and the processor executes the above-mentioned program units stored in the memory to implement the corresponding functions.
The processor comprises a kernel, and the kernel calls a corresponding program unit from the memory. The inner core can be set to be one or more than one, and the rotating speed of the fan is adjusted by adjusting the inner core parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
According to another aspect of the embodiment of the invention, an air conditioner is further provided, and a program executed by a central control unit arranged in the air conditioner corresponds to the control method of the unit in any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium for storing a program, where the program, when executed by a processor, controls a device on which the storage medium is located to execute the control method of the unit.
According to another aspect of the embodiments of the present invention, there is also provided a processor, where the processor is configured to execute a program, where the program executes a control method of the unit according to any one of the above.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the processor executes the program and realizes the following steps: acquiring a first change rate of the temperature of an inner pipe in a unit and a first change speed of the rate; comparing the first change rate with a preset change rate, and comparing the first change speed of the rate with the preset change speed; and if the first change rate is greater than or equal to the preset change rate and the first change speed of the rate is greater than or equal to the preset change speed, adjusting the rotating speed of the fan of the unit.
Optionally, the following steps may also be implemented when the processor executes the program: after the unit is started, detecting the temperature of an inner pipe of the unit by using a temperature sensing module of an evaporator of an indoor unit of the unit; after the temperature of the inner tube is determined to be higher than the preset temperature of the inner tube, calculating the change rate of the temperature of the inner tube to obtain a first change rate; and calculating the change speed of the first change speed to obtain the first change speed of the speed.
Optionally, the following steps may also be implemented when the processor executes the program: determining a plurality of detection time points; acquiring the temperature of the inner tube at each detection time point; calculating the temperature difference of the temperatures of the plurality of inner pipes; and calculating the ratio of the temperature difference to each detection time point to obtain a first change rate.
Optionally, the following steps may also be implemented when the processor executes the program: and controlling the rotating speed of the inner fan of the unit to be increased at the first increasing speed until the wind gear of the unit reaches the target wind gear.
Optionally, the following steps may also be implemented when the processor executes the program: when a first change rate and a first change speed of the inner pipe temperature in the unit are obtained, a second change rate of the inner ring temperature of the unit is obtained, wherein the inner ring temperature indicates the indoor environment temperature detected by the unit; and calculating the change speed of the second change rate to obtain the second change speed of the change rate of the inner ring temperature.
Optionally, the following steps may also be implemented when the processor executes the program: after the second change speed of the change rate of the inner ring temperature is obtained, when the first change speed is determined to be greater than or equal to the preset change speed and the first change speed of the change rate is determined to be greater than or equal to the preset change speed, comparing the second change speed with a preset speed threshold value, and comparing the second change speed with the preset speed threshold value; and if the second change rate is greater than or equal to the preset rate threshold value and the second change speed of the change rate is greater than or equal to the preset speed threshold value, increasing the rotating speed of the inner fan of the unit at a second increasing speed until the wind gear of the control unit reaches the target wind gear.
Optionally, the following steps may also be implemented when the processor executes the program: after comparing the first change speed of the speed with the preset change speed, if the first change speed is smaller than the preset change speed, or the first change speed of the speed is smaller than the preset change speed, acquiring the current fan rotating speed of the unit; and controlling the inner fan of the unit to continuously operate according to the current fan rotating speed, and returning to execute the step of obtaining the first change rate of the inner pipe temperature in the unit and the first change speed of the inner pipe temperature in the unit.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A method of controlling an assembly, comprising:
acquiring a first change rate of the temperature of an inner pipe in a unit and a first change speed of the rate;
comparing the first change rate with a preset change rate, and comparing a first change speed of the rate with a preset change speed;
if the first change rate is greater than or equal to a preset change rate and the first change speed of the rate is greater than or equal to a preset change speed, adjusting the rotating speed of the fan of the unit,
the method comprises the following steps of obtaining a first change rate of the temperature of an inner pipe in a unit and a first change speed of the temperature, wherein the steps comprise:
after the unit is started, detecting the temperature of an inner pipe of the unit by using a temperature sensing module of an evaporator of an indoor unit of the unit; after the temperature of the inner tube is determined to be higher than the preset temperature of the inner tube, calculating the change rate of the temperature of the inner tube to obtain the first change rate; and calculating the change speed of the first change speed to obtain the first change speed of the speed.
2. The control method of claim 1, wherein the step of calculating a rate of change of the temperature of the inner tube to obtain the first rate of change comprises:
determining a plurality of detection time points;
acquiring the temperature of the inner tube at each detection time point;
calculating the temperature difference of the temperatures of the plurality of inner pipes;
and calculating the ratio of the temperature difference to each detection time point to obtain the first change rate.
3. The control method according to claim 1, wherein the step of adjusting the fan speed of the assembly comprises:
and controlling the rotating speed of an inner fan of the unit to be increased at a first increasing speed until the wind gear of the unit reaches a target wind gear.
4. The control method of claim 1, wherein when obtaining a first rate of change and a first rate of change of the temperature of the inner tubes in the unit, the control method further comprises:
acquiring a second change rate of an inner ring temperature of the unit, wherein the inner ring temperature indicates an indoor environment temperature detected by the unit;
and calculating the change speed of the second change rate to obtain the second change speed of the change rate of the inner ring temperature.
5. The control method according to claim 4, characterized in that after obtaining the second rate of change of the inner ring temperature, the control method further comprises:
when the first change rate is determined to be greater than or equal to a preset change rate and the first change speed of the rate is determined to be greater than or equal to a preset change speed, comparing the second change rate with a preset rate threshold, and comparing the second change speed of the change rate with a preset speed threshold;
and if the second change rate is greater than or equal to a preset rate threshold value and the second change speed of the change rate is greater than or equal to a preset speed threshold value, increasing the rotating speed of the inner fan of the unit at a second increasing speed until the wind gear of the unit is controlled to reach the target wind gear.
6. The control method according to claim 1, characterized in that after comparing the first change speed of the rate with a preset change speed, the control method further comprises:
if the first change rate is smaller than a preset change rate, or the first change speed of the rate is smaller than the preset change speed, acquiring the current fan rotating speed of the unit;
and controlling the inner fan of the unit to continuously operate according to the current fan rotating speed, and returning to execute the step of obtaining the first change rate of the inner pipe temperature in the unit and the first change speed of the inner pipe temperature in the unit.
7. A control device for an assembly, comprising:
the acquiring unit is used for acquiring a first change rate of the temperature of an inner pipe in the unit and a first change speed of the rate;
the comparison unit is used for comparing the first change rate with a preset change rate and comparing a first change speed of the rate with a preset change speed;
an adjusting unit, configured to adjust a fan rotation speed of the unit when the first change rate is greater than or equal to a preset change rate and a first change speed of the rate is greater than or equal to a preset change speed,
the acquisition unit includes: the first detection module is used for detecting the temperature of an inner pipe of the unit by using a temperature sensing module of an evaporator of an indoor unit of the unit after the unit is started; the first calculation module is used for calculating the change rate of the temperature of the inner tube after the temperature of the inner tube is determined to be greater than the preset temperature of the inner tube, so that the first change rate is obtained; and the second calculation module is used for calculating the change speed of the first change speed to obtain the first change speed of the speed.
8. An air conditioner characterized in that a program executed by a central control unit provided in the air conditioner corresponds to the control method of the unit set forth in any one of claims 1 to 6.
9. A storage medium for storing a program, wherein the program, when executed by a processor, controls an apparatus in which the storage medium is located to perform a control method of an assembly according to any one of claims 1 to 6.
10. A processor, characterized in that it is configured to run a program, wherein the program when running performs the method of controlling the assembly according to any one of claims 1 to 6.
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CN111692727B (en) * 2020-03-13 2022-03-25 广东美的制冷设备有限公司 Air conditioner and sterilization control method thereof
CN111692725B (en) * 2020-03-13 2022-07-05 广东美的制冷设备有限公司 Control method of air conditioner and air conditioner
CN111692726B (en) * 2020-03-13 2022-03-25 广东美的制冷设备有限公司 Air conditioner and sterilization control method thereof
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