CN115875818A - Control method and control device of air conditioner, air conditioner and readable storage medium - Google Patents
Control method and control device of air conditioner, air conditioner and readable storage medium Download PDFInfo
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention provides a control method and a control device of an air conditioner, the air conditioner and a readable storage medium. The control method of the air conditioner comprises the following steps: when the air conditioner is started, under the condition that an outdoor fan of the air conditioner is in a reverse rotation state, a reverse rotation protection mode is executed; the reverse protection mode includes: determining a target interval A in which a reverse rotation speed V of an outdoor fan falls in at least two rotation speed range intervals Target (ii) a Monitoring the reverse rotation speed V remaining falling within the target zoneA between Target The duration T of the state within; according to the target interval A Target And a duration T, controlling the operation of the air conditioner. The air conditioner can be controlled according to the reverse rotation speed V of the outdoor fan and the duration time T of the reverse rotation speed V, so that the aim of giving consideration to the temperature regulation effect and efficiency of the air conditioner on the basis of protecting the air conditioner is fulfilled.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method and a control device of an air conditioner, the air conditioner and a readable storage medium.
Background
With the development of science and technology and the progress of society, air conditioners are increasingly widely used. The outdoor unit of the air conditioner is internally provided with an outdoor fan, and the outdoor fan is driven by a motor to rotate when the air conditioner is in an operating state, so that the heat or cold exchange between the refrigerant in the refrigerant circulating pipeline of the air conditioner and the outdoor space is assisted.
When the wind power in outdoor environment is larger, the condition that the fan blades automatically rotate can occur in outdoor wind. The automatic rotation of the fan blades can easily cause the difficulty in starting up the driving motor of the outdoor fan and even the damage of the driving motor. Under the circumstances, how to protect the driving motor and consider the temperature adjusting effect and efficiency of the air conditioner becomes a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention solves the problem of how to protect the driving motor and consider the temperature adjusting effect and efficiency of the air conditioner.
In order to solve the above problems, the present invention provides a control method of an air conditioner, the control method comprising: when the air conditioner is started, under the condition that an outdoor fan of the air conditioner is in a reverse rotation state, a reverse rotation protection mode is executed; the reverse protection mode includes: determining a target interval A in which a reverse rotation speed V of an outdoor fan falls in at least two rotation speed range intervals Target (ii) a Monitoring the reverse rotation speed V remaining within the target interval A Target The duration T of the state within; according to the target interval A Target And a duration T, controlling the operation of the air conditioner.
The invention sets the target interval A Target And the duration T is used as an adjusting factor for adjusting the air conditioner, and the duration T are used as adjusting factors according to a target interval A to which the reverse rotation speed V belongs Target And in the target interval A Target The duration time T is used for comprehensively adjusting and controlling the operation mode of the air conditioner, so that the temperature adjusting effect of the air conditioner is considered on the basis of protecting the air conditionerThe efficiency is improved, and the user experience is improved.
Further, according to the target interval A Target And duration T, controlling the operation of the air conditioner, specifically comprising: according to the target interval A Target And duration T, controlling the start and stop of an outdoor fan driving motor of the air conditioner; and/or according to the target interval A Target And duration T, controlling the start and stop of the compressor of the air conditioner; and/or according to the target interval A Target And a duration T, controlling the frequency of the compressor of the air conditioner.
When a reverse protection mode needs to be executed, the control mode can be adopted, the outdoor fan driving motor and/or the compressor can be prevented from being started in the reverse state of the outdoor fan, or the compressor can be enabled to operate in a frequency limiting mode in the reverse state of the outdoor fan, so that the purposes of protecting the outdoor fan driving motor and/or the compressor and considering the temperature regulation effect and the efficiency are achieved.
Further, the at least two ranges of rotational speed include a first range A 1 (ii) a According to the target interval A Target And a duration T, controlling the operation of the air conditioner, including: in the target interval A Target Is a first interval A 1 And the duration T does not reach the first time threshold T Threshold 1 Under the condition of (4), controlling an outdoor fan driving motor and a compressor of the air conditioner to keep an initial state; in the target interval A Target Is a first interval A 1 And the duration T reaches a first time threshold T Threshold 1 Under the condition of (3), controlling an outdoor fan driving motor of the air conditioner to keep off, and controlling a compressor of the air conditioner to start.
In the target interval A Target Is a first interval A 1 And the duration T does not reach the first time threshold T Threshold 1 Under the condition of (3), the situation shows that the reverse rotation speed V is not stable, and at the moment, the outdoor fan driving motor and the compressor of the air conditioner are controlled to keep an initial state, so that the purpose of protecting the outdoor fan driving motor and the compressor can be achieved. In the target interval A Target Is a first interval A 1 And the duration T reaches a first time threshold T Threshold 1 In the case of (1), the control is idle when the reverse rotation speed V is relatively stableThe driving motor of the outdoor fan of the air conditioner keeps off, and the compressor of the air conditioner is controlled to be started, so that the purposes of protecting the driving motor of the outdoor fan and regulating the temperature can be achieved.
Further, the at least two ranges of rotation speed also include a second range A 2 Second interval A 2 Is greater than or equal to the first interval A 1 An upper limit value of (d); according to the target interval A Target And a duration T for controlling the operation of the air conditioner, further comprising: in the target interval A Target Is a second interval A 2 And the duration T does not reach the second time threshold T Threshold 2 Under the condition of (1), controlling an outdoor fan driving motor of the air conditioner to keep off, and controlling a compressor of the air conditioner to be started and to be at a first frequency F 1 Running; in the target interval A Target Is a second interval A 2 And the duration T reaches a second time threshold T Threshold 2 Under the condition of (1), controlling an outdoor fan driving motor of the air conditioner to keep off, and controlling a compressor of the air conditioner to be started and to be at a second frequency F 2 Running; wherein the first frequency F 1 Less than the second frequency F 2 。
In the target interval A Target Is a second interval A 2 And the duration T does not reach the second time threshold T Threshold 2 The case (2) shows that the reverse rotation speed V is high and unstable, at this time, the outdoor fan driving motor of the air conditioner is controlled to be kept off, and the compressor of the air conditioner is controlled to be started and is controlled to be at the first frequency F 1 The operation can achieve the purposes of protecting the outdoor fan driving motor and giving consideration to the temperature adjusting effect. In the target interval A Target Is a second interval A 2 And the duration T reaches a second time threshold T Threshold 2 Under the condition (V), the reverse rotation speed is relatively high and stable, at the moment, the driving motor of the outdoor fan of the air conditioner is controlled to be kept off, and the compressor of the air conditioner is controlled to be started and is controlled to be at the second frequency F 2 The operation is as follows: compare in the higher and unstable condition of reversal rotational speed V and rise frequently, can reach protection outdoor fan driving motor and further compromise the effect that adjusts the temperature, improve user experience's purpose.
Further, at least two rotation speed rangesThe interval also includes a third interval A 3 The third interval A 3 Is less than or equal to the first interval A 1 A lower limit value of (d); the control method further comprises the following steps: in the target interval A Target Is a third interval A 3 The air conditioner is controlled to execute the start-up program.
In the target interval A Target Is a third interval A 3 Under the condition, the reverse rotation speed V is low, the driving motor of the outdoor fan does not need too large torque when being started, and the air conditioner can be controlled to execute a starting program at the moment, so that the normal operation of the air conditioner is ensured.
Further, the control method further comprises: when the air conditioner is started, the air conditioner is controlled to execute a starting program under the condition that an outdoor fan of the air conditioner is in a non-reversal state.
The invention controls the normal start of the air conditioner under the condition that the outdoor fan does not rotate reversely (including positive rotation or stop), and the outdoor fan and the compressor are both started normally, thereby ensuring the normal operation of the air conditioner.
Further, in the target interval A Target And a duration T, after controlling the operation of the air conditioner, the control method further includes: after the target time interval, detecting whether the outdoor fan is in a reverse rotation state again; and under the condition that the outdoor fan is in a reverse rotation state, executing the reverse rotation protection mode again.
The control method of the invention is executed circularly after the target time interval, which can effectively monitor the condition of the reversal of the outdoor fan, and reasonably control the air conditioner according to the condition, thereby achieving the purpose of protecting the air conditioner.
The present invention also provides a control device of an air conditioner, the control device comprising: the air conditioner comprises a reverse rotation protection module, a control module and a control module, wherein the reverse rotation protection module is used for executing a reverse rotation protection mode under the condition that an outdoor fan of the air conditioner is in a reverse rotation state when the air conditioner is started; the reverse protection mode includes: determining a target interval A in which a reverse rotation speed V of an outdoor fan falls in at least two rotation speed range intervals Target (ii) a Monitoring the reverse rotation speed V remaining within the target interval A Target The duration T of the inner state; according to the target interval A Target And a duration T, controlling the operation of the air conditioner.
The control device of the present invention implements the steps of the control method of the present invention, which can achieve the beneficial effects of the control method of the present invention, and are not described herein again.
The invention also provides an air conditioner, which comprises a processor, a memory and a program or an instruction which is stored on the memory and can be run on the processor, wherein the program or the instruction realizes the steps of the control method of any one technical scheme when being executed by the processor.
The air conditioner of the present invention implements the steps of the control method of the present invention, which can achieve the beneficial effects of the control method of the present invention, and are not described herein again.
The present invention also provides a computer-readable storage medium, which includes a computer program, and when the computer program runs, the steps of the control method according to any one of the above technical solutions are implemented.
The computer readable storage medium of the present invention implements the steps of the control method of the present invention, which can achieve the beneficial effects of the control method of the present invention and will not be described herein again.
Advantageous effects
The invention sets the target interval A Target And the duration T is used as an adjusting factor for adjusting the air conditioner, and the duration T and the target interval A to which the reverse rotating speed V belongs Target And in the target interval A Target The duration T in the air conditioner carries out comprehensive regulation and control on the operation mode of the air conditioner, so that the temperature regulation effect and efficiency of the air conditioner are considered on the basis of protecting the air conditioner, and the user experience is improved.
Drawings
FIG. 1 is a flow chart illustrating the steps of the control method of the present invention;
FIG. 2 is a second flowchart illustrating the steps of the control method according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
When the wind power of the outdoor environment is large (especially when the floor position where the outdoor fan is installed is high), the outdoor fan of the air conditioner can automatically rotate the fan blades. If the rotation direction of the fan blade is the same as the original rotation direction of the outdoor fan, the driving motor of the outdoor fan can be started normally. However, if the rotation direction of the fan blade is different from the original rotation direction of the outdoor fan, the risk that the driving motor is difficult to start or even damaged may occur.
The reason for this is that if the rotation direction of the fan blade is different from the original rotation direction of the outdoor fan, the driving motor of the outdoor fan needs a large torque to start up. In this case, the temperature of the motor may rise, and even the motor may not be started or may be burned, and furthermore, the compressor of the air conditioner may not be normally started.
Therefore, when the outdoor fan is driven by wind to rotate in the reverse direction, it is necessary to protect the internal components of the air conditioner (particularly, the drive motor and the compressor of the outdoor fan).
In the related art, when the air conditioner is started, if it is found that the outdoor fan is driven by the wind to rotate in a reverse direction, the driving motor for controlling the outdoor fan is generally kept turned off. However, the related art has a problem in that it can only achieve the function of protecting the driving motor of the outdoor fan, and it is difficult to achieve both the temperature adjusting effect and the efficiency of the air conditioner. Under the condition that outdoor wind power is continuously large, the air conditioner cannot be started and operated, so that the temperature adjusting effect and efficiency are poor, and user experience is influenced.
In order to solve the above problems, the present invention provides a control method of an air conditioner, the control method including: when the air conditioner is started, under the condition that an outdoor fan of the air conditioner is in a reverse rotation state, a reverse rotation protection mode is executed.
As shown in fig. 1, the reverse protection mode includes:
s100, in at least two rotating speed range intervals, determining a target interval A in which the reverse rotating speed V of the outdoor fan falls Target ；
S200, monitoring the reverse rotation speed V to keep falling into a target interval A Target The duration T of the inner state;
s300, according to the target interval A Target And a duration T, controlling the operation of the air conditioner.
It can be understood that the purpose of controlling the air conditioner to perform the reverse rotation protection mode is to: the internal components of the air conditioner (especially the driving motor and the compressor of the outdoor fan) are protected, and the damage caused by forced starting of the air conditioner under the condition of reverse rotation of the outdoor fan is avoided.
In order to achieve the above object, when the air conditioner is started, it is first necessary to detect whether an outdoor fan of the air conditioner is in a reverse rotation state. The detection method for detecting whether the outdoor fan is in the reverse rotation state belongs to the prior art, and the invention is not repeated herein.
It should be noted that, the present invention can determine the range section in which the reverse rotation speed V falls according to the specific value of the reverse rotation speed V. The detection mode of the rotating speed of the outdoor fan belongs to the prior art, and the invention is not repeated herein.
It is understood that the at least two rotation speed range sections may be two or more continuous sections, or may be two or more discontinuous sections. The unit of the rotational speed may be revolutions per minute.
In one example of the present invention, the at least two speed range intervals may include two discrete speed range intervals of < 80 and > 120.
In another example of the present invention, the at least two speed range intervals may include two consecutive speed range intervals of ≦ 100 and > 100.
In yet another example of the present invention, the at least two speed range intervals may include three speed range intervals of < 300, 300-500, > 500.
In yet another example of the present invention, the at least two speed range intervals may include four speed range intervals of < 100, 100-200, 201-300, > 300.
It will be appreciated that during at least two ranges of speed, the inverse of the outdoor fan is determinedTarget interval A into which rotating speed V falls Target The method comprises the following steps: judging the target interval A into which the reverse rotation speed V falls Target In particular to which of the at least two rotational speed range intervals belongs.
In one example of the present invention, the at least two speed range intervals may include two speed range intervals of ≦ 100 and > 100. Accordingly, if the reverse rotation speed V is 80, the target section a Target Is less than or equal to 100; if the reverse rotation speed V is 120, the target section A Target Is > 100.
In another example of the present invention, the at least two speed range intervals may include three speed range intervals < 300, 300-500, > 500. Accordingly, if the reverse rotation speed V is 250, the target section a Target Is < 300; if the reverse rotation speed V is 320, the target section A Target Is 300-500; if the reverse rotation speed V is 540, the target section A Target Is > 500.
It is understood that the duration T refers to: the reverse rotation speed V remains falling within the target interval a Target The duration T of the state in.
In one example of the present invention, the at least two rotation speed range sections may include two rotation speed range sections of ≦ 100 and > 100, and the target section A Target Is > 100. Accordingly, the duration T is the time during which the state in which the reverse rotation speed V remains > 100 continues.
In another example of the present invention, the at least two speed range intervals may include three speed range intervals < 300, 300-500, > 500, and the target interval A Target Is 300-500. Accordingly, the duration T is a time during which the reverse rotation speed V is maintained in the state of 300-500.
One of the invention is that it is based on the target interval A Target And a duration T, controlling the operation of the air conditioner. The related art generally falls into the target section a only according to the reverse rotation speed V Target And controlling the air conditioner (for example, when the reverse rotation speed V is higher than a certain threshold value, the outdoor fan of the air conditioner is not started). It has problems in the related artThe control mode is easy to cause that the air conditioner can not be started to operate under the condition that the outdoor wind power is continuously high. To this end, the present invention sets a target interval A Target And the duration T is used as an adjusting factor for adjusting the air conditioner, and the duration T are used as adjusting factors according to a target interval A to which the reverse rotation speed V belongs Target And in the target interval A Target The duration T in the air conditioner carries out comprehensive regulation and control on the operation mode of the air conditioner, so that the temperature regulation effect and efficiency of the air conditioner are considered on the basis of protecting the air conditioner, and the user experience is improved.
It is understood that the control method of the present invention further includes: when the air conditioner is started, under the condition that an outdoor fan of the air conditioner is in a non-reversal rotation state, the air conditioner is controlled to execute a starting program.
In other words, the invention controls the normal start of the air conditioner under the condition that the outdoor fan does not rotate reversely (including rotating forwards or stopping), and the outdoor fan and the compressor are both started normally, thereby ensuring the normal operation of the air conditioner.
In addition, the target section A is defined as Target And a duration T, after controlling the operation of the air conditioner, the control method of the present invention further includes: after the target time interval, detecting whether the outdoor fan is in a reverse rotation state again; and under the condition that the outdoor fan is in a reverse rotation state, executing the reverse rotation protection mode again.
Wherein the interval target time can be determined according to the actual needs of the person skilled in the art.
Illustratively, the interval target time may be 1min or 2min.
The control method of the invention is circularly executed after the target time interval, which can effectively monitor the reverse rotation condition of the outdoor fan, and reasonably control the air conditioner according to the reverse rotation condition, thereby achieving the purpose of protecting the air conditioner.
It can be understood that the reverse protection mode is mainly used for protecting the outdoor fan driving motor and the compressor of the air conditioner.
Accordingly, in one example of the present invention, according to target interval A Target And duration T, controlling the operation of the air conditioner, specifically comprising: according to the target areaA between Target And the duration time T is used for controlling the starting and stopping of an outdoor fan driving motor of the air conditioner.
In another example of the present invention, according to the target interval A Target And duration T, controlling the operation of the air conditioner, specifically comprising: according to the target interval A Target And duration T, controlling the start and stop of the compressor of the air conditioner.
In yet another example of the present invention, the target interval A is determined according to Target And duration T, controlling the operation of the air conditioner, specifically comprising: according to the target interval A Target And a duration T, controlling the frequency of the compressor of the air conditioner.
When a reverse protection mode needs to be executed, the control mode can be adopted, the outdoor fan driving motor and/or the compressor can be prevented from being started in the reverse state of the outdoor fan, or the compressor can be enabled to operate in a frequency limiting mode in the reverse state of the outdoor fan, so that the purposes of protecting the outdoor fan driving motor and/or the compressor and considering the temperature regulation effect and the efficiency are achieved.
In one example of the present invention, the at least two rotation speed range sections include a first section a 1 . According to the target interval A Target And a duration T, controlling the operation of the air conditioner, including:
s311, in the target section A Target Is a first interval A 1 And the duration T does not reach the first time threshold T Threshold 1 Under the condition of (1), controlling an outdoor fan driving motor and a compressor of the air conditioner to keep an initial state;
s312, in the target interval A Target Is a first interval A 1 And the duration T reaches a first time threshold T Threshold 1 And under the condition of (4), controlling an outdoor fan driving motor of the air conditioner to keep off, and controlling a compressor of the air conditioner to start.
Illustratively, the first interval A 1 Can be > 300, or > 400, or 350-450, and the duration T can be 0.5min, or 1min, or 1.5min.
For example, in S312, the compressor of the air conditioner may be controlled to be turned on and operated at a fixed frequency, which may be relatively low, and particularly, may be 20HZ to 35HZ.
In a first interval A 1 For example, 300 to 500, and a duration T of 1 min. And controlling the driving motor of the outdoor fan and the compressor to keep an initial state under the condition that the reverse rotation speed V is greater than or equal to 300 and less than or equal to 500 but is not kept for 1min within the interval range of greater than or equal to 300 and less than or equal to 500. For example, if the outdoor fan driving motor and the compressor are in the initial state of shutdown, the outdoor fan driving motor and the compressor are kept to be continuously shutdown. And controlling the outdoor fan driving motor to be stopped and controlling the compressor of the air conditioner to be started under the condition that the reverse rotation speed V is greater than or equal to 300 and less than or equal to 500 and is kept within the interval range of greater than or equal to 300 and less than or equal to 500 for 1 min.
In the target interval A Target Is a first interval A 1 And the duration T does not reach the first time threshold T Threshold 1 Under the condition of (3), the situation shows that the reverse rotation speed V is not stable, and at the moment, the outdoor fan driving motor and the compressor of the air conditioner are controlled to keep an initial state, so that the purpose of protecting the outdoor fan driving motor and the compressor can be achieved. In the target interval A Target Is a first interval A 1 And the duration T reaches a first time threshold T Threshold 1 Under the condition, the reverse rotation speed V is relatively stable, the outdoor fan driving motor of the air conditioner is controlled to be kept off at the moment, the compressor of the air conditioner is controlled to be started, and the purposes of protecting the outdoor fan driving motor and considering the temperature adjusting effect can be achieved.
In yet another example of the present invention, the at least two ranges of rotational speeds further include a second range A 2 Second interval A 2 Is greater than or equal to the first interval A 1 The upper limit value of (3). According to the target interval A Target And a duration T for controlling the operation of the air conditioner, further comprising:
s321, in the target section A Target Is a second interval A 2 And the duration T does not reach the second time threshold T Threshold 2 Under the condition of (1), controlling an outdoor fan driving motor of the air conditioner to keep off, and controlling a compressor of the air conditioner to be started and to be at a first frequency F 1 Running;
s322, at eyeMark interval A Target Is a second interval A 2 And the duration T reaches a second time threshold T Threshold 2 Under the condition of (1), controlling an outdoor fan driving motor of the air conditioner to keep off, and controlling a compressor of the air conditioner to be started and to be at a second frequency F 2 And (5) operating.
Wherein the first frequency F 1 Less than the second frequency F 2 。
Illustratively, in a first interval A 1 Under the condition that the temperature is more than or equal to 300 and less than or equal to 500, the second interval A 2 May be > 500 or > 550.
Illustratively, the first frequency F 1 May be 20Hz to 35Hz.
Exemplarily, the second frequency F 2 May be 36HZ to 50HZ.
In a first interval A 1 Is more than or equal to 300 and less than or equal to 500, and a second interval A 2 For example, a duration T of 1min is > 500. And under the condition that the reverse rotation speed V is more than 500 but is not kept for 1min in the interval range of more than 500, controlling the outdoor fan driving motor to be shut down and controlling the compressor to operate at the frequency of 30 HZ.
And under the condition that the reverse rotation speed V is more than 500 and is kept for 1min within the interval range of more than 500, controlling the outdoor fan driving motor to be shut down, and controlling the compressor to operate at the frequency of 40 HZ.
In the target interval A Target Is a second interval A 2 And the duration T does not reach the second time threshold T Threshold 2 The case (2) shows that the reverse rotation speed V is high and unstable, at this time, the outdoor fan driving motor of the air conditioner is controlled to be kept off, and the compressor of the air conditioner is controlled to be started and is controlled to be at the first frequency F 1 The operation can achieve the purposes of protecting the outdoor fan driving motor and giving consideration to the temperature adjusting effect. In the target interval A Target Is a second interval A 2 And the duration T reaches a second time threshold T Threshold 2 Under the condition (V), the reverse rotation speed is relatively high and stable, at the moment, the driving motor of the outdoor fan of the air conditioner is controlled to be kept off, and the compressor of the air conditioner is controlled to be started and is controlled to be at the second frequency F 2 Operation, i.e.: compare in the higher and unstable condition of reversal rotational speed V and rise frequently, can reach protection outdoor fan driving motor and further compromise the effect that adjusts the temperature, improve user experience's purpose.
In yet another example of the present invention, the at least two ranges of rotational speeds further include a third range a 3 The third interval A 3 Is less than or equal to the first interval A 1 The lower limit value of (2). The control method further comprises the following steps:
s400, in the target interval A Target Is a third interval A 3 The air conditioner is controlled to execute the start-up program.
Illustratively, in a first interval A 1 Under the condition that the temperature is more than or equal to 300 and less than or equal to 500, the third interval A 3 May be < 300.
The controlling the air conditioner to execute the starting program may include: the control method comprises the steps of controlling the starting of a driving motor of an outdoor fan and/or controlling the starting of a compressor.
In the target interval A Target Is a third interval A 3 Under the condition that the reverse rotation speed V is low, the driving motor of the outdoor fan does not need too large torque when being started, and the air conditioner can be controlled to execute a starting program at the moment, so that the normal operation of the air conditioner is ensured.
It will be appreciated that the number and range of the at least two speed range intervals may be selected and adjusted by a person skilled in the art.
At least two rotating speed range intervals comprise a first interval A 1 The second interval A 2 And a third interval A 3 In the case of (1), the third section A 3 Lowest, first interval A 1 Centered, the second interval A 2 The highest. The third interval A 3 Is less than or equal to the first interval A 1 Lower limit value of (1), first interval A 1 Is less than or equal to the second interval A 2 The lower limit value of (2).
In one example of the present invention, the third interval a 3 Is < 300, a first interval A 1 Is more than or equal to 300 and less than or equal to 500, a second interval A 2 Is > 500.
In yet another example of the present invention, the third intervalA 3 Is < 250, a first interval A 1 Is more than or equal to 250 and less than or equal to 450, and a second interval A 2 Is > 450.
It can be understood that the target interval A in which the reverse rotation speed V of the outdoor fan is determined to fall is Target In the process, the reverse rotation speed V may be directly compared with any one of the at least two rotation speed range sections, or the reverse rotation speed V may be compared with each of the at least two rotation speed range sections one by one in the order from high to low or from low to high.
In one example of the present invention, the third interval a 3 Is < 300, a first interval A 1 Is more than or equal to 300 and less than or equal to 500, and a second interval A 2 Is composed of>500. Determining a target interval A into which a reverse rotation speed V of an outdoor fan falls Target When the rotating speed is less than 300, the rotating speed V is judged to fall into the third interval A if the rotating speed V is less than 300 3 (ii) a If the rotating speed is more than or equal to 300, further judging whether the reverse rotating speed V is more than 500, if the rotating speed V is more than 500, the reverse rotating speed V falls into a second interval A 2 (ii) a If the rotating speed V is more than or equal to 300 and less than or equal to 500, the reverse rotating speed V falls into a first interval A 1 。
As shown in fig. 2, in terms of the comparison sequence, the control method of the present invention specifically includes the following steps:
s401, starting an air conditioner;
s402, judging whether the outdoor fan rotates reversely; if yes, executing S403, otherwise executing S407;
s403, judging that the reverse rotation speed is more than 300 revolutions per minute; if yes, executing S404, otherwise executing S407;
s404, judging that the reverse rotation speed is more than 500 revolutions per minute; if yes, executing S405, and if not, executing S408;
s405, judging that the duration time t is more than or equal to 1min; if yes, executing S406, otherwise executing S409;
s406, judging that the motor is not started, and operating the compressor F2;
s407, judging normal starting of the compressor and the fan blade;
s408, judging that the duration time t is more than or equal to 1min; if yes, executing S409, otherwise executing S410;
s409, judging that the motor is not started, and operating the compressor F1;
s410, judging that the compressor and the motor are not started;
after executing S407, S410 and S409, re-detecting at intervals of 1min and judging whether the outdoor fan rotates reversely again.
The present invention also provides a control device of an air conditioner, the control device comprising: the reverse protection module is used for executing a reverse protection mode under the condition that an outdoor fan of the air conditioner is in a reverse state when the air conditioner is started; the reverse protection mode includes: determining a target interval A in which the reverse rotation speed V of the outdoor fan falls in at least two rotation speed range intervals Target (ii) a Monitoring that the reverse rotation speed V remains within the target interval A Target The duration T of the inner state; according to the target interval A Target And a duration T, controlling the operation of the air conditioner.
The invention also provides an air conditioner, which comprises a processor, a memory and a program or an instruction which is stored on the memory and can be run on the processor, wherein the program or the instruction realizes the steps of the control method of any one technical scheme when being executed by the processor.
The present invention also provides a computer-readable storage medium, which includes a computer program, and when the computer program runs, the steps of the control method according to any one of the above technical solutions are implemented. The readable storage medium herein may include a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A control method of an air conditioner, characterized in that the control method comprises:
when the air conditioner is started, under the condition that an outdoor fan of the air conditioner is in a reverse rotation state, a reverse rotation protection mode is executed;
the reverse protection mode includes:
determining a target interval A in which a reverse rotation speed V of the outdoor fan falls in at least two rotation speed range intervals Target ；
Monitoring that the reverse rotation speed V remains falling within the target interval A Target The duration T of the inner state;
according to the target interval A Target And the duration T, controlling the operation of the air conditioner.
2. Control method according to claim 1, characterized in that said target interval A is a function of said target interval A Target And the duration T, controlling the operation of the air conditioner, specifically comprising:
the target interval A is obtained Target And the duration T is used for controlling the starting and stopping of an outdoor fan driving motor of the air conditioner; and/or
According to the target interval A Target And the duration T, controlling the start and stop of the compressor of the air conditioner; and/or
The target interval A is obtained Target And the duration time T, controlling the frequency of the compressor of the air conditioner.
3. The control method according to claim 1,
the at least two rotation speed range intervals comprise a first interval A 1 ；
The target interval A is obtained Target And the duration T, controlling the operation of the air conditioner, including:
in the target interval A Target Is the first interval A 1 And saidThe duration T does not reach the first time threshold T Threshold 1 Under the condition of (1), controlling an outdoor fan driving motor and a compressor of the air conditioner to keep an initial state;
in the target interval A Target Is the first interval A 1 And the duration T reaches a first time threshold T Threshold 1 And under the condition of (1), controlling an outdoor fan driving motor of the air conditioner to keep off, and controlling a compressor of the air conditioner to start.
4. The control method according to claim 3,
the at least two ranges of rotation speed further comprise a second range A 2 The second interval A 2 Is greater than or equal to the first interval A 1 An upper limit value of (d);
according to the target interval A Target And the duration T, controlling the operation of the air conditioner, further comprising:
in the target interval A Target Is the second interval A 2 And the duration T does not reach a second time threshold T Threshold 2 Controlling an outdoor fan driving motor of the air conditioner to be kept off, and controlling a compressor of the air conditioner to be started and to be at a first frequency F 1 Running;
in the target interval A Target Is the second interval A 2 And said duration T reaches a second time threshold T Threshold 2 Under the condition of (1), controlling an outdoor fan driving motor of the air conditioner to keep off, and controlling a compressor of the air conditioner to be started and to be at a second frequency F 2 Running;
wherein the first frequency F 1 Less than said second frequency F 2 。
5. The control method according to claim 3,
the at least two rotation speed range intervals further comprise a third interval A 3 The third interval A 3 Is less than or equal toThe first interval A 1 A lower limit value of (d);
the control method further comprises the following steps:
in the target interval A Target Is the third interval A 3 Controlling the air conditioner to execute a start-up program.
6. The control method according to any one of claims 1 to 5, characterized by further comprising:
when the air conditioner is started, under the condition that an outdoor fan of the air conditioner is in a non-reversal state, the air conditioner is controlled to execute a starting program.
7. The control method according to any one of claims 1 to 5, characterized in that, in the target interval A, the target interval Target And the duration T, after controlling the operation of the air conditioner, the control method further includes:
after the target time interval, detecting whether the outdoor fan is in the reverse rotation state again;
and under the condition that the outdoor fan is in the reverse rotation state, executing the reverse rotation protection mode again.
8. A control device of an air conditioner, characterized by comprising:
the air conditioner comprises a reverse rotation protection module, a control module and a control module, wherein the reverse rotation protection module is used for executing a reverse rotation protection mode under the condition that an outdoor fan of the air conditioner is in a reverse rotation state when the air conditioner is started;
the inversion protection mode includes:
determining a target interval A in which a reverse rotation speed V of the outdoor fan falls in at least two rotation speed range intervals Target ；
Monitoring that the reverse rotation speed V remains falling within the target interval A Target The duration T of the inner state;
according to the target interval A Target And said duration T, control stationThe operation of the air conditioner.
9. An air conditioner, characterized in that it comprises a processor, a memory and a program or instructions stored on said memory and executable on said processor, said program or instructions, when executed by said processor, implementing the steps of the control method according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a computer program which when executed implements the steps of the control method according to any one of claims 1 to 7.
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| CN115875818B (en) | 2024-07-30 |
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