Air conditioner and control method thereof

Abstract

The invention provides an air conditioner and a control method thereof, and relates to the technical field of air conditioner control. A vortex tongue is arranged on one side of an evaporator in the air conditioner, and the position of the vortex tongue is opposite to an air outlet of the air conditioner. According to the control method, the heat exchange area of the evaporator shielded by the vortex tongue when the vortex tongue is located at the initial position is larger than the first preset area, and the heat exchange area of the evaporator shielded by the vortex tongue when the vortex tongue is located at the first position is smaller than or equal to the first preset area, so that the heat exchange area of the evaporator is larger when the vortex tongue is located at the first position; therefore, the air inlet amount of the indoor unit in the air conditioner is larger, and the air outlet amount of the indoor unit is larger under the condition that the rotating speed of the indoor unit is not changed. And the rotating speed of the inner unit is adjusted to ensure that the air outlet volume of the inner unit is equal to the set air outlet volume, so that the rotating speed of the inner unit can be reduced by the control method, the power consumption of the air conditioner can be reduced when the control method receives the energy-saving instruction, and the energy-saving effect of the air conditioner is improved by the control method.

Description

Technical Field

[0001] The present invention relates to the technical field of air-conditioning control, and in particular to an air-conditioning and a control method thereof. Background Art

[0002] At present, increasing the rotation speed of the indoor unit in the air conditioner can increase the air output of the indoor unit, thereby improving the cooling / heating capacity of the air conditioner to meet the cooling / heating needs of users.

[0003] However, the stronger the cooling / heating capacity of the air conditioner, the greater the speed of the indoor unit, and the greater the power consumption of the air conditioner, resulting in a poor energy-saving effect of the air conditioner.

[0004] Therefore, how to improve the energy-saving effect of air conditioning is a technical problem that needs to be solved urgently. Summary of the invention

[0005] In view of this, the present invention provides an air conditioner and a control method thereof to improve the energy-saving effect of the air conditioner.

[0006] To achieve the above objectives, the embodiments of the present invention provide the following technical solutions:

[0007] On one hand, the present application provides a method for controlling an air conditioner, wherein a vortex tongue is provided on one side of an evaporator in the air conditioner, and the position of the vortex tongue is opposite to the air outlet of an indoor unit in the air conditioner; the method for controlling the air conditioner comprises:

[0008] Determining whether an energy-saving instruction is received;

[0009] If the energy-saving instruction is not received, the vortex tongue is maintained at the initial position; when the vortex tongue is at the initial position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is greater than a first preset area;

[0010] If the energy-saving instruction is received, the vortex tongue is adjusted to a first position, and the rotation speed of the indoor unit is adjusted to ensure that the air output of the indoor unit is equal to the set air output; when the vortex tongue is in the first position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is less than or equal to the first preset area.

[0011] Optionally, adjusting the vortex tongue to the first position includes:

[0012] Determining whether the air conditioner is in cooling mode;

[0013] If the air conditioner is in cooling mode, the position of the vortex tongue is adjusted according to the outdoor temperature to reduce the possibility that water droplets formed on the surface of the evaporator fall into the fan in the indoor unit.

[0014] Optionally, adjusting the position of the vortex tongue according to the outdoor temperature to reduce the possibility of water droplets formed on the surface of the evaporator falling into the fan in the indoor unit includes:

[0015] Determining whether the outdoor temperature is less than a first preset temperature;

[0016] If the outdoor temperature is lower than the first preset temperature, the vortex tongue is adjusted to a second position; when the vortex tongue is at the second position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is smaller than or equal to the first preset area and larger than the second preset area;

[0017] If the outdoor temperature is greater than or equal to the first preset temperature, the vortex tongue is adjusted to a third position; when the vortex tongue is in the third position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is less than or equal to the second preset area.

[0018] Optionally, when the air conditioner is not in a cooling mode, adjusting the vortex tongue to the first position further comprises:

[0019] Determining whether the air conditioner is in a heating mode;

[0020] If the air conditioner is in a heating mode, the position of the vortex tongue is adjusted according to the energy-saving requirement in the energy-saving instruction to achieve the energy-saving requirement.

[0021] Optionally, adjusting the rotation speed of the indoor unit in the air conditioner to ensure that the air output of the indoor unit is equal to the set air output includes:

[0022] According to the different positions of the vortex tongue and according to different preset rules, the rotation speed of the internal machine is adjusted.

[0023] Optionally, according to different positions of the vortex tongue and different preset rules, the rotation speed of the indoor machine is adjusted, including:

[0024] Determining whether the vortex tongue is in the second position;

[0025] If the vortex tongue is in the second position, the rotation speed of the indoor unit is adjusted according to a first preset rule;

[0026] If the vortex tongue is not in the second position, determining whether the vortex tongue is in a third position;

[0027] If the vortex tongue is in the third position, the rotation speed of the indoor unit is adjusted according to a second preset rule.

[0028] Optionally, adjusting the rotation speed of the indoor unit according to a first preset rule includes:

[0029] Determine whether the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to a first preset value;

[0030] If the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to the first preset value, the speed of the indoor unit is maintained at the set speed;

[0031] If the absolute value of the difference between the current air volume of the indoor unit and the set air volume is greater than the first preset value, the speed of the indoor unit is adjusted to a first target speed; the first target speed is equal to the set speed minus a first preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume.

[0032] Optionally, after adjusting the rotation speed of the indoor unit to the first target rotation speed, the method further includes:

[0033] Determining whether the current air volume of the indoor unit is less than the set air volume;

[0034] If the current air volume is greater than or equal to the set air volume, the speed of the indoor unit is maintained unchanged;

[0035] If the current air volume is less than the set air volume, the speed of the indoor unit is adjusted to a second target speed; the second target speed is equal to the first target speed plus the first preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume.

[0036] Optionally, adjusting the rotation speed of the indoor unit according to a second preset rule includes:

[0037] Determining whether the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to a second preset value;

[0038] If the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to the second preset value, the speed of the indoor unit is maintained at the set speed;

[0039] If the absolute value of the difference between the current air output of the indoor unit and the set air output is greater than the second preset value, the speed of the indoor unit is adjusted to a third target speed; the third target speed is equal to the set speed minus the second preset coefficient multiplied by the difference between the current air output of the indoor unit and the set air output.

[0040] Optionally, after adjusting the rotation speed of the indoor unit to the third target rotation speed, the method further includes:

[0041] Determining whether the current air volume of the indoor unit is less than the set air volume;

[0042] If the current air volume is greater than or equal to the set air volume, the speed of the indoor unit is maintained unchanged;

[0043] If the current air volume is less than the set air volume, the speed of the indoor unit is adjusted to a fourth target speed; the fourth target speed is equal to the third target speed plus the second preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume.

[0044] Optionally, before adjusting the vortex tongue to the first position, the method further comprises:

[0045] Determining whether the air conditioner is in cooling mode;

[0046] If the air conditioner is in cooling mode, determining whether the outdoor temperature is less than a second preset temperature;

[0047] If the outdoor temperature is lower than the second preset temperature, maintaining the vortex tongue at an initial position is performed;

[0048] If the outdoor temperature is greater than or equal to the second preset temperature, the step of adjusting the vortex tongue to a first position is performed.

[0049] On the other hand, the present application provides an air conditioner, in which a controller is used to execute the air conditioner control method as described in any one of the above aspects of the present application.

[0050] It can be seen from the above technical solution that the present invention provides a control method for an air conditioner, in which a vortex tongue is provided on one side of the evaporator in the air conditioner, and the position of the vortex tongue is opposite to the air outlet of the air conditioner. In the control method, since the heat exchange area of ​​the evaporator blocked by the vortex tongue when the vortex tongue is in the initial position is greater than the first preset area, and the heat exchange area of ​​the evaporator blocked by the vortex tongue when the vortex tongue is in the first position is less than or equal to the first preset area, when the vortex tongue is in the first position, the heat exchange area of ​​the evaporator is larger, so that the air intake of the indoor unit in the air conditioner is larger, and then the air outlet of the indoor unit is larger when the speed of the indoor unit remains unchanged. Since the speed of the indoor unit is adjusted afterwards to ensure that the air outlet of the indoor unit is equal to the set air outlet, the control method can reduce the speed of the indoor unit, so when the control method receives the energy-saving instruction, it can reduce the power consumption of the air conditioner, so that the control method improves the energy-saving effect of the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0052] Figure 1 A flowchart of an implementation method of an air conditioner control method provided in an embodiment of the present application;

[0053] Figure 2-Figure 4 They are schematic structural diagrams of three implementation modes of the indoor unit in the air conditioner;

[0054] Figure 5 A flowchart of another implementation of the air conditioner control method provided in an embodiment of the present application;

[0055] Figure 6 A flowchart of an implementation of step S220 provided in an embodiment of the present application;

[0056] Figure 7 A flowchart of another implementation of the air conditioner control method provided in an embodiment of the present application;

[0057] Figure 8 A flowchart of an implementation of step S420 provided in an embodiment of the present application;

[0058] Fig. 9 A flowchart of another implementation of the air conditioner control method provided in the embodiment of the present application;

[0059] Fig.10 A flowchart of an implementation of step S610 provided in an embodiment of the present application;

[0060] Fig.11 A flowchart of an implementation of step S720 provided in an embodiment of the present application;

[0061] Fig.12 A flowchart of another implementation of step S720 provided in an embodiment of the present application;

[0062] Fig.13 A flowchart of an implementation of step S740 provided in an embodiment of the present application;

[0063] Fig.14 A flowchart of another implementation of step S740 provided in an embodiment of the present application;

[0064] Fig.15 A flowchart of another implementation of the air conditioner control method provided in an embodiment of the present application. DETAILED DESCRIPTION

[0065] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0066] In this application, relational terms such as first and second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0067] In order to improve the energy-saving effect of the air conditioner, the present application embodiment provides a control method for the air conditioner, and the specific process is as follows: Figure 1 As shown, the specific steps include:

[0068] S110: Determine whether an energy-saving instruction is received.

[0069] If no energy-saving instruction is received, step S120 is executed; if an energy-saving instruction is received, steps S130 and S140 are executed in sequence.

[0070] The energy-saving instruction is an instruction for instructing a controller in the air conditioner to perform corresponding operations on corresponding components in the air conditioner to achieve energy-saving purposes.

[0071] S120, maintaining the vortex tongue at the initial position.

[0072] like Figure 2 , Figure 3 or Figure 4 As shown, the vortex tongue 01 is arranged on one side of the evaporator 02 in the air conditioner, and the position of the vortex tongue 01 is opposite to the air outlet 03 of the indoor unit in the air conditioner. Figure 2 , Figure 3 or Figure 4 In the figure, 04 is the fan of the indoor unit.

[0073] When the vortex tongue is in the initial position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is larger than the first preset area. Figure 2 The position of the vortex tongue is shown.

[0074] The heat exchange area of ​​the evaporator blocked by the vortex tongue is larger than the first preset area, indicating that the heat exchange area of ​​the evaporator blocked by the vortex tongue is large. In practical applications, the first preset area is set according to actual conditions and is not specifically limited here.

[0075] S130, adjusting the vortex tongue to a first position.

[0076] When the vortex tongue is in the first position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is less than or equal to the first preset area. Figure 3 or Figure 4 The position of the vortex tongue is shown.

[0077] The heat exchange area of ​​the evaporator blocked by the vortex tongue is less than or equal to the first preset area, indicating that the heat exchange area of ​​the evaporator blocked by the vortex tongue is not very large. The first preset area has been described in detail above and will not be repeated here.

[0078] S140, adjusting the rotation speed of the indoor unit to ensure that the air output of the indoor unit is equal to the set air output.

[0079] The set air volume is the air volume of the indoor unit when the vortex is in the default position and the speed of the indoor unit is equal to the set speed. In actual application, the set air volume is pre-measured and stored in the controller of the air conditioner, and can be directly called when in use.

[0080] In addition, the set rotation speed corresponds to the set wind speed one by one, and the corresponding relationship between the set rotation speed and the set wind speed is measured in advance and stored in the controller of the air conditioner, and can be directly called up when in use.

[0081] In addition, the wind speed can be set manually by the user or automatically by the controller, which is not specifically limited here and can be determined according to the specific situation, and is within the protection scope of this application. Automatic setting specifically means that when the user selects automatic wind speed, the controller automatically sets the wind speed according to the actual situation.

[0082] In the control method, since the heat exchange area of ​​the evaporator blocked by the vortex tongue when the vortex tongue is in the initial position is greater than the first preset area, and the heat exchange area of ​​the evaporator blocked by the vortex tongue when the vortex tongue is in the first position is less than or equal to the first preset area, the heat exchange area of ​​the evaporator is larger when the vortex tongue is in the first position, so that the air intake of the indoor unit in the air conditioner is larger, and then the air outlet of the indoor unit is larger when the speed of the indoor unit remains unchanged. Since the speed of the indoor unit is adjusted afterwards to ensure that the air outlet of the indoor unit is equal to the set air outlet, the control method can reduce the speed of the indoor unit, so when the control method receives the energy-saving instruction, it can reduce the power consumption of the air conditioner, so that the control method improves the energy-saving effect of the air conditioner.

[0083] Another embodiment of the present application provides a specific implementation of step S130, and its specific structure is as follows: Figure 5 As shown, the specific steps include:

[0084] S210: Determine whether the air conditioner is in cooling mode.

[0085] If the air conditioner is in cooling mode, execute step S220; if the air conditioner is not in cooling mode, stop executing.

[0086] The cooling mode is a mode in which the air conditioner is used to reduce the indoor temperature. The cooling mode is already very mature in the prior art and will not be described in detail here.

[0087] S220. According to the outdoor temperature, the position of the vortex tongue is adjusted to reduce the possibility that water droplets formed on the surface of the evaporator fall into the fan in the indoor unit.

[0088] How to adjust the position of the vortex tongue according to the outdoor temperature to reduce the possibility of water droplets formed on the evaporator surface falling into the fan in the indoor unit will be described in detail in the following embodiments and will not be repeated here.

[0089] In this embodiment, by adjusting the position of the vortex tongue according to the outdoor temperature, the possibility of water droplets formed on the evaporator surface falling into the fan in the indoor unit is reduced, thereby reducing the possibility of the indoor unit blowing water, thereby improving the user experience of the air conditioner.

[0090] Another embodiment of the present application provides a specific implementation of step S220, and its specific process is as follows: Figure 6 As shown, the specific steps include:

[0091] S310: Determine whether the outdoor temperature is lower than a first preset temperature.

[0092] If the outdoor temperature is lower than the first preset temperature, step S320 is executed; if the outdoor temperature is greater than or equal to the first preset temperature, step S330 is executed.

[0093] Among them, if the outdoor temperature is greater than or equal to the first preset temperature, it indicates that the outdoor temperature is very high. On the contrary, if the outdoor temperature is less than the first preset temperature, it indicates that the outdoor temperature is very low. In practical applications, the first preset temperature is set according to actual conditions and is not specifically limited here. Usually, the first preset temperature is equal to 50°C.

[0094] Normally, when the outdoor temperature is very high, there are few water droplets on the evaporator surface, so in this case, there is no need to consider the problem caused by the water droplets on the evaporator surface falling into the fan in the indoor unit. However, when the outdoor temperature is not very high, there are not few water droplets on the evaporator surface, so in this case, it is necessary to consider the problem caused by the water droplets on the evaporator surface falling into the fan in the indoor unit.

[0095] S320, adjusting the vortex tongue to the second position.

[0096] When the vortex tongue is in the second position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is less than or equal to the first preset area and greater than the second preset area. Figure 3 The position of the vortex tongue is shown.

[0097] The heat exchange area of ​​the evaporator blocked by the vortex tongue is less than or equal to the first preset area and greater than the second preset area, indicating that the heat exchange area of ​​the evaporator blocked by the vortex tongue is not too large but not too small. In practical applications, the second preset area is set according to actual conditions and is not specifically limited here. As for the first preset area, it has been described in detail above and will not be repeated here.

[0098] S330, adjusting the vortex tongue to the third position.

[0099] When the vortex tongue is in the third position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is less than or equal to the second preset area. Figure 4 The position of the vortex tongue is shown.

[0100] The heat exchange area of ​​the evaporator blocked by the vortex tongue is less than or equal to the second preset area, indicating that the heat exchange area of ​​the evaporator blocked by the vortex tongue is very small. The second preset area has been described in detail above and will not be repeated here.

[0101] In this embodiment, since the heat exchange area of ​​the evaporator blocked by the vortex tongue is not very small when the vortex tongue is in the second position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is not very small. Since the fan in the indoor unit is below the evaporator, the vortex tongue can, to a considerable extent, block the water droplets formed on the surface of the evaporator from falling into the fan of the indoor unit, thereby reducing the possibility of water droplets formed on the surface of the evaporator falling into the fan of the indoor unit, and further reducing the possibility of the indoor unit blowing water, thereby improving the user experience of the air conditioner.

[0102] In addition, compared with the second position, when the vortex tongue is in the third position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is smaller, so the air intake of the indoor unit is larger at this time, so that when the speed of the indoor unit remains unchanged, the air output of the indoor unit increases more, and then when the air output of the indoor unit is equal to the set air output, the speed of the indoor unit decreases more, so the energy-saving effect of the air conditioner is better improved at this time.

[0103] Another embodiment of the present application also provides another implementation of step S130, and its specific process is as follows: Figure 7 In the above embodiment, when the air conditioner is not in cooling mode, this embodiment further includes the following steps:

[0104] S410: Determine whether the air conditioner is in heating mode.

[0105] If the air conditioner is in the heating mode, execute step S420; if the air conditioner is not in the heating mode, stop executing.

[0106] The heating mode is a mode in which the air conditioner is used to increase the indoor temperature. The heating mode is already very mature in the prior art and will not be described in detail here.

[0107] S420, according to the energy-saving requirement in the energy-saving instruction, adjusting the position of the vortex tongue to achieve the energy-saving requirement.

[0108] The energy-saving requirement refers to the degree of energy-saving. Specifically, the higher the energy-saving requirement, the higher the energy-saving degree, that is, the better the energy-saving effect. Conversely, the lower the energy-saving requirement, the lower the energy-saving degree, that is, the worse the energy-saving effect.

[0109] In this embodiment, the energy-saving requirement is met by adjusting the position of the vortex tongue according to the energy-saving requirement in the energy-saving instruction, thereby improving the energy-saving effect of the air conditioner and further reducing the cost of using the air conditioner for users.

[0110] Another embodiment of the present application provides a specific implementation of step S420, and the specific process is as follows: Figure 8 As shown, the specific steps include:

[0111] S510: Determine whether the energy saving requirement is less than a preset level.

[0112] If the energy-saving requirement is less than the preset level, step S520 is executed; if the energy-saving requirement is greater than or equal to the preset level, step S530 is executed.

[0113] If the energy-saving requirement is greater than or equal to the preset level, it indicates that the energy-saving requirement is very high. On the contrary, if the energy-saving requirement is less than the preset level, it indicates that the energy-saving requirement is not very high. In actual applications, the preset level is set according to actual conditions and is not specifically limited here.

[0114] S520, adjusting the vortex tongue to the second position.

[0115] It should be noted that the second position has been described in detail in the above embodiment and will not be repeated here.

[0116] S530, adjusting the vortex tongue to the third position.

[0117] It should be noted that the third position has been described in detail in the above embodiment and will not be repeated here.

[0118] Compared with the second position, when the vortex tongue is in the third position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is smaller. Therefore, the air intake of the indoor unit is larger at this time. Therefore, when the speed of the indoor unit remains unchanged, the air output of the indoor unit increases more. Then, when the air output of the indoor unit is equal to the set air output, the speed of the indoor unit decreases more. Therefore, compared with the second position, when the vortex tongue is in the third position, the energy-saving effect of the air conditioner is better improved.

[0119] Since the energy-saving effect of the air conditioner is better improved when the vortex tongue is in the third position as compared with the second position, the air conditioner can achieve the energy-saving requirement by adjusting the vortex tongue to the third position when the energy-saving requirement is very high and by adjusting the vortex tongue to the second position when the energy-saving requirement is very low.

[0120] Another embodiment of the present application provides a specific implementation of step S140, and its specific structure can be found in Fig. 9 ( Fig. 9 Only in Figure 1 The specific steps include:

[0121] S610, adjusting the rotation speed of the indoor unit according to different preset rules according to different positions of the vortex tongue.

[0122] In addition to the initial position, the vortex tongue may also include multiple positions, such as the second position and the third position in the above embodiment. In practical applications, these positions are not limited to but are not specifically limited here. They may be determined according to the specific circumstances and are all within the scope of protection of this application.

[0123] In this embodiment, due to the different positions of the vortex tongue, the air intake volume of the indoor unit is different, so when the speed remains unchanged, the air outlet volume of the indoor unit is different. Therefore, the speed of the indoor unit is adjusted according to different preset rules to ensure that the air outlet volume of the indoor unit is equal to the set air outlet volume.

[0124] Another embodiment of the present application provides a specific implementation of step S610, which is applicable to the case where the vortex tongue can be in the second position and the third position in addition to the initial position. The specific process of this implementation is as follows Fig.10 As shown, the specific steps include:

[0125] S710: Determine whether the vortex tongue is in the second position.

[0126] If the vortex tongue is in the second position, step S720 is executed; if the vortex tongue is not in the second position, step S730 is executed.

[0127] It should be noted that the second position has been described in detail in the above embodiment and will not be repeated here.

[0128] S720: Adjust the rotation speed of the indoor unit according to the first preset rule.

[0129] The first preset rule is set according to the second position and the actual situation, and is not specifically limited here. As for how to adjust the speed of the indoor unit according to the first preset rule, it will be described in detail in the following embodiments, and will not be repeated here.

[0130] S730: Determine whether the vortex tongue is in the third position.

[0131] If the vortex tongue is in the third position, step S740 is executed; if the vortex tongue is not in the third position, the execution is stopped.

[0132] It should be noted that the third position has been described in detail in the above embodiment and will not be repeated here.

[0133] S740: Adjust the rotation speed of the indoor unit according to the second preset rule.

[0134] The second preset rule is set according to the third position and the actual situation, and is not specifically limited here. As for how to adjust the speed of the indoor unit according to the second preset rule, it will be described in detail in the following embodiments, and will not be repeated here.

[0135] In this embodiment, when the vortex tongue is in the second position, the speed of the indoor unit is adjusted according to the first preset rule, and when the vortex tongue is in the third position, the speed of the indoor unit is adjusted according to the second preset rule, thereby ensuring that the air output of the indoor unit is equal to the set air output.

[0136] Another embodiment of the present application provides an implementation of step S720, and its specific structure is as follows: Fig.11 As shown, the specific steps include:

[0137] S810: Determine whether the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to a first preset value.

[0138] If the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to the first preset value, step S820 is executed; if the absolute value of the difference between the current air volume of the indoor unit and the set air volume is greater than the first preset value, step S830 is executed.

[0139] If the absolute value of the difference between the current air volume of the indoor unit and the set air volume is greater than the first preset value, it indicates that the current air volume of the indoor unit is very different from the set air volume. On the contrary, if the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to the first preset value, it indicates that the current air volume of the indoor unit is not very different from the set air volume. In actual applications, the first preset value is set according to actual conditions and is not specifically limited here.

[0140] S820, maintain the speed of the indoor unit at the set speed.

[0141] It should be noted that the setting speed has been described in detail in the above embodiment and will not be repeated here.

[0142] S830: Adjust the speed of the indoor unit to a first target speed.

[0143] The first target speed is equal to the set speed minus the first preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume. In practical applications, the first preset coefficient is set according to actual conditions and is not specifically limited here. Usually, the third position is as follows Figure 3 If the position of the vortex tongue is shown, the second preset coefficient is equal to 1.

[0144] Since the first target speed is equal to the set speed minus the first preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume, when the current air volume of the indoor unit is greater than the set air volume, the first target speed is less than the set speed.

[0145] In this embodiment, since the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to the first preset value, it indicates that the current air volume of the indoor unit is not very different from the set air volume. Therefore, if the rotation speed of the indoor unit is reduced at this time, the air volume of the indoor unit will be reduced, and the air volume of the indoor unit cannot be equal to the set air volume. Therefore, maintaining the rotation speed of the indoor unit at the set speed can make the air volume of the indoor unit equal to the set air volume.

[0146] In addition, since the absolute value of the difference between the current air output of the indoor unit and the set air output is greater than the first preset value, it indicates that the current air output of the indoor unit is greatly different from the set air output. Therefore, if the rotation speed of the indoor unit is not reduced at this time, the air output of the indoor unit will increase, and the air output of the indoor unit cannot be equal to the set air output. Therefore, at this time, the rotation speed of the indoor unit is adjusted to the first target speed, that is, the rotation speed of the indoor unit is reduced, so that the air output of the indoor unit can be equal to the set air output.

[0147] In summary, in this embodiment, after the vortex tongue position is adjusted, the rotation speed of the indoor unit in the air conditioner can be adjusted so that the air output of the indoor unit is equal to the set air output.

[0148] Another embodiment of the present application provides another implementation of step S720, and its specific process is as follows: Fig.12 This embodiment further includes the following steps after step S830 in the above embodiment:

[0149] S910: Determine whether the current air volume of the indoor unit is less than the set air volume.

[0150] If the current air volume of the indoor unit is greater than or equal to the set air volume, step S920 is executed; if the current air volume of the indoor unit is less than the set air volume, step S930 is executed.

[0151] It should be noted that the setting of the air volume has been described in detail in the above embodiments and will not be repeated here.

[0152] S920. Maintain the speed of the indoor unit unchanged.

[0153] S930: Adjust the speed of the indoor unit to a second target speed.

[0154] The second target speed is equal to the first target speed plus the first preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume. The first preset coefficient has been described in detail in the above embodiment and will not be repeated here.

[0155] Since the second target speed is equal to the first target speed plus the first preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume, when the current air volume of the indoor unit is greater than the set air volume, the second target speed is greater than the set speed.

[0156] In this embodiment, when the current air volume of the indoor unit is less than the set air volume, the rotation speed of the indoor unit is set to the second target rotation speed, that is, the rotation speed of the indoor unit is increased, so the air volume of the indoor unit is increased at this time. And when the current air volume of the indoor unit is greater than or equal to the set air volume, the rotation speed of the indoor unit is maintained unchanged, so the air volume of the indoor unit can be maintained at this time. In summary, this embodiment can further ensure that the air volume of the indoor unit is equal to the set air volume.

[0157] Another embodiment of the present application provides a specific implementation of step S740, and the specific process is as follows: Fig.13 As shown, the specific steps include:

[0158] S1010. Determine whether the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to a second preset value.

[0159] If the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to the second preset value, step S1020 is executed; if the absolute value of the difference between the current air volume of the indoor unit and the set air volume is greater than the second preset value, step S1030 is executed.

[0160] If the absolute value of the difference between the current air volume of the indoor unit and the set air volume is greater than the second preset value, it indicates that the current air volume of the indoor unit is very different from the set air volume. On the contrary, if the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to the second preset value, it indicates that the current air volume of the indoor unit is not very different from the set air volume. In actual applications, the first preset value is set according to actual conditions and is not specifically limited here.

[0161] S1020, maintaining the speed of the indoor unit at a set speed.

[0162] It should be noted that the setting speed has been described in detail in the above embodiment and will not be repeated here.

[0163] S1030: Adjust the rotation speed of the indoor unit to a third target rotation speed.

[0164] The third target speed is equal to the set speed minus the second preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume. In practical applications, the second preset coefficient is set according to actual conditions and is not specifically limited here. In general, the third position is as follows Figure 4 For the position of the vortex tongue shown, the second preset coefficient is equal to 1.5.

[0165] Since the third target speed is equal to the set speed minus the difference between the current air volume of the indoor unit and the set air volume, when the current air volume of the indoor unit is greater than the set air volume, the third target speed is less than the set speed.

[0166] In this embodiment, since the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to the second preset value, it indicates that the current air volume of the indoor unit is not very different from the set air volume. Therefore, if the rotation speed of the indoor unit is reduced at this time, the air volume of the indoor unit will be reduced, and the air volume of the indoor unit cannot be equal to the set air volume. Therefore, maintaining the rotation speed of the indoor unit at the set speed can make the air volume of the indoor unit equal to the set air volume.

[0167] In addition, since the absolute value of the difference between the current air output of the indoor unit and the set air output is greater than the second preset value, it indicates that: the current air output of the indoor unit is greatly different from the set air output. Therefore, if the speed of the indoor unit is not reduced at this time, the air output of the indoor unit will increase, and the air output of the indoor unit cannot be equal to the set air output. Therefore, at this time, the speed of the indoor unit is adjusted to the third target speed, that is, the speed of the indoor unit is reduced, so that the air output of the indoor unit can be equal to the set air output.

[0168] In summary, in this embodiment, after the vortex tongue position is adjusted, the rotation speed of the indoor unit in the air conditioner can be adjusted so that the air output of the indoor unit is equal to the set air output.

[0169] Another embodiment of the present application provides another implementation of step S740, and its specific process is as follows: Fig.14 This embodiment further includes the following steps after step S1030 in the above embodiment:

[0170] S1110. Determine whether the current air volume of the indoor unit is less than the set air volume.

[0171] If the current air volume is greater than or equal to the set air volume, step S1120 is executed; if the current air volume is less than the set air volume, step S1130 is executed.

[0172] It should be noted that the setting of the air volume has been described in detail in the above embodiments and will not be repeated here.

[0173] S1120. Maintain the rotation speed of the indoor unit unchanged.

[0174] S1130: Adjust the rotation speed of the indoor unit to a fourth target rotation speed.

[0175] The fourth target speed is equal to the third target speed plus the second preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume. The second preset coefficient has been described in detail in the above embodiment and will not be repeated here.

[0176] Since the fourth target speed is equal to the third target speed plus the second preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume, when the current air volume of the indoor unit is greater than the set air volume, the fourth target speed is greater than the set speed.

[0177] In this embodiment, when the current air volume of the indoor unit is less than the set air volume, the rotation speed of the indoor unit is set to the fourth target rotation speed, that is, the rotation speed of the indoor unit is increased, so the air volume of the indoor unit is increased at this time. And when the current air volume of the indoor unit is greater than or equal to the set air volume, the rotation speed of the indoor unit is maintained unchanged, so the air volume of the indoor unit can be maintained at this time. In summary, this embodiment can further ensure that the air volume of the indoor unit is equal to the set air volume.

[0178] Another embodiment of the present application provides another implementation of the air conditioner control method. The specific process can be found in Fig.15 ( Fig.15 Only in Figure 1 This embodiment further includes the following steps before step S130 in the above embodiment:

[0179] S1210: Determine whether the air conditioner is in cooling mode.

[0180] If the air conditioner is in cooling mode, execute step S1220; if the air conditioner is not in cooling mode, stop executing.

[0181] It should be noted that the cooling mode has been described in detail in the above embodiment and will not be repeated here.

[0182] S1220: Determine whether the outdoor temperature is lower than a second preset temperature.

[0183] If the outdoor temperature is lower than the second preset temperature, step S120 is executed; if the outdoor temperature is greater than or equal to the second preset temperature, step S130 is executed.

[0184] If the outdoor temperature is less than the second preset temperature, it indicates that the outdoor temperature is very low. On the contrary, if the outdoor temperature is greater than or equal to the second preset temperature, it indicates that the outdoor temperature is not very low. In practical applications, the second preset temperature is set according to actual conditions and is not specifically limited here. Usually, the second preset temperature is equal to 35°C.

[0185] It should be noted that if step S1220 and step S310 exist at the same time, the second preset temperature is lower than the first preset temperature.

[0186] Normally, when the outdoor temperature is very low, a lot of water droplets are formed on the surface of the evaporator. Therefore, in this case, it is necessary to consider the problem caused by the water droplets formed on the surface of the evaporator falling into the fan in the indoor unit.

[0187] In this embodiment, when the vortex tongue is in the first position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is very large, so the heat exchange area of ​​the evaporator blocked by the vortex tongue is very large, and because the fan in the indoor unit is below the evaporator, the vortex tongue can, to a large extent, block a part of the water droplets formed on the surface of the evaporator from falling into the fan of the indoor unit, thereby reducing the possibility of water droplets formed on the surface of the evaporator falling into the fan of the indoor unit, and further reducing the possibility of the indoor unit blowing water, thereby improving the user experience of the air conditioner.

[0188] Another embodiment of the present application provides an air conditioner, in which a controller is used to execute the air conditioner control method provided in the above embodiment.

[0189] For the above description of the disclosed embodiments, the features recorded in each embodiment in this specification can be replaced or combined with each other, so that professionals in the field can implement or use the present application. The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with a preferred embodiment, it is not used to limit the present invention. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the present invention using the methods and technical contents disclosed above without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of protection of the technical solution of the present invention.

Claims

1. A method for controlling an air conditioner, characterized in that: A vortex tongue is provided on one side of the evaporator in the air conditioner, and the position of the vortex tongue is opposite to the air outlet of the indoor unit in the air conditioner; The air conditioner control method comprises: Determining whether an energy-saving instruction is received; If the energy-saving instruction is not received, the vortex tongue is maintained at the initial position; when the vortex tongue is at the initial position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is larger than a first preset area; If the energy-saving instruction is received, the vortex tongue is adjusted to a first position, and the rotation speed of the indoor unit is adjusted to ensure that the air output of the indoor unit is equal to the set air output; when the vortex tongue is in the first position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is less than or equal to the first preset area.

2. The air conditioner control method according to claim 1, characterized in that: Adjusting the vortex tongue to a first position comprises: Determining whether the air conditioner is in cooling mode; If the air conditioner is in cooling mode, the position of the vortex tongue is adjusted according to the outdoor temperature to reduce the possibility that water droplets formed on the surface of the evaporator fall into the fan in the indoor unit.

3. The air conditioner control method according to claim 2, characterized in that: According to the outdoor temperature, the position of the vortex tongue is adjusted to reduce the possibility that water droplets formed on the surface of the evaporator fall into the fan in the indoor unit, including: Determining whether the outdoor temperature is less than a first preset temperature; If the outdoor temperature is lower than the first preset temperature, the vortex tongue is adjusted to a second position; when the vortex tongue is at the second position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is smaller than or equal to the first preset area and larger than the second preset area; If the outdoor temperature is greater than or equal to the first preset temperature, the vortex tongue is adjusted to a third position; when the vortex tongue is in the third position, the heat exchange area of ​​the evaporator blocked by the vortex tongue is less than or equal to the second preset area.

4. The air conditioner control method according to claim 2, characterized in that: When the air conditioner is not in a cooling mode, adjusting the vortex tongue to a first position further comprises: Determining whether the air conditioner is in a heating mode; If the air conditioner is in a heating mode, the position of the vortex tongue is adjusted according to the energy-saving requirement in the energy-saving instruction to achieve the energy-saving requirement.

5. The air conditioner control method according to any one of claims 1 to 4, characterized in that: Adjusting the rotation speed of the indoor unit in the air conditioner to ensure that the air output of the indoor unit is equal to the set air output includes: According to the different positions of the vortex tongue and according to different preset rules, the rotation speed of the internal machine is adjusted.

6. The air conditioner control method according to claim 5, characterized in that: According to different positions of the vortex tongue and different preset rules, the speed of the indoor unit is adjusted, including: Determining whether the vortex tongue is in the second position; If the vortex tongue is in the second position, the rotation speed of the indoor unit is adjusted according to a first preset rule; If the vortex tongue is not in the second position, determining whether the vortex tongue is in a third position; If the vortex tongue is in the third position, the rotation speed of the indoor unit is adjusted according to a second preset rule.

7. The air conditioner control method according to claim 6, characterized in that: According to a first preset rule, adjusting the speed of the indoor unit includes: Determine whether the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to a first preset value; If the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to the first preset value, the speed of the indoor unit is maintained at the set speed; If the absolute value of the difference between the current air volume of the indoor unit and the set air volume is greater than the first preset value, the speed of the indoor unit is adjusted to a first target speed; the first target speed is equal to the set speed minus a first preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume.

8. The air conditioner control method according to claim 7, characterized in that: After adjusting the rotation speed of the indoor unit to the first target rotation speed, the method further includes: Determining whether the current air volume of the indoor unit is less than the set air volume; If the current air volume is greater than or equal to the set air volume, the speed of the indoor unit is maintained unchanged; If the current air volume is less than the set air volume, the speed of the indoor unit is adjusted to a second target speed; the second target speed is equal to the first target speed plus the first preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume.

9. The air conditioner control method according to claim 6, characterized in that: According to the second preset rule, the speed of the indoor unit is adjusted, including: Determining whether the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to a second preset value; If the absolute value of the difference between the current air volume of the indoor unit and the set air volume is less than or equal to the second preset value, the speed of the indoor unit is maintained at the set speed; If the absolute value of the difference between the current air output of the indoor unit and the set air output is greater than the second preset value, the speed of the indoor unit is adjusted to a third target speed; the third target speed is equal to the set speed minus the second preset coefficient multiplied by the difference between the current air output of the indoor unit and the set air output.

10. The air conditioner control method according to claim 9, characterized in that: After adjusting the rotation speed of the indoor unit to the third target rotation speed, the method further includes: Determining whether the current air volume of the indoor unit is less than the set air volume; If the current air volume is greater than or equal to the set air volume, the speed of the indoor unit is maintained unchanged; If the current air volume is less than the set air volume, the speed of the indoor unit is adjusted to a fourth target speed; the fourth target speed is equal to the third target speed plus the second preset coefficient multiplied by the difference between the current air volume of the indoor unit and the set air volume.

11. The air conditioner control method according to any one of claims 1 to 4, characterized in that: Before adjusting the vortex tongue to the first position, the method further comprises: Determining whether the air conditioner is in cooling mode; If the air conditioner is in cooling mode, determining whether the outdoor temperature is less than a second preset temperature; If the outdoor temperature is lower than the second preset temperature, maintaining the vortex tongue at an initial position is performed; If the outdoor temperature is greater than or equal to the second preset temperature, the step of adjusting the vortex tongue to a first position is performed.

12. An air conditioner, characterized in that: The controller in the air conditioner is used to execute the air conditioner control method according to any one of claims 1 to 11.

Images