CN111023277A - Air conditioner control method, device and air conditioner - Google Patents
Air conditioner control method, device and air conditioner Download PDFInfo
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- CN111023277A CN111023277A CN201911311873.3A CN201911311873A CN111023277A CN 111023277 A CN111023277 A CN 111023277A CN 201911311873 A CN201911311873 A CN 201911311873A CN 111023277 A CN111023277 A CN 111023277A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/40—Damper positions, e.g. open or closed
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- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
本发明提供了一种空调控制方法、装置及空调器，涉及空调器技术领域，该空调控制方法通过在不同的运行模式下，获取空调器的室内盘管温度以及运行的风速档位，然后确定空调器室内盘管温度是否处于当前风速档位对应的温度保护阈值范围内，若超出了温度保护阈值的范围，再根据室内盘管温度的变化率确定室内盘管温度的变化情况，当室内盘管温度变化率大于预设值时确定空调器的进风口被遮挡，当确定进风口被遮挡时，执行防遮挡措施，防止空调器因为进风口被遮挡而被用户误认为发生故障，提醒用户及时清理进风口，帮助用户正确使用空调器，提升用户体验。
The invention provides an air conditioner control method, device and air conditioner, and relates to the technical field of air conditioners. The air conditioner control method obtains the indoor coil temperature of the air conditioner and the operating wind speed gear under different operation modes, and then determines Whether the temperature of the indoor coil of the air conditioner is within the temperature protection threshold range corresponding to the current wind speed gear, if it exceeds the range of the temperature protection threshold, then determine the change of the indoor coil temperature according to the rate of change of the indoor coil temperature. When the change rate of the tube temperature is greater than the preset value, it is determined that the air inlet of the air conditioner is blocked. When it is determined that the air inlet is blocked, anti-blocking measures are implemented to prevent the air conditioner from being mistaken by the user as a fault because the air inlet is blocked, and the user is reminded in time Clean the air inlet to help users use the air conditioner correctly and improve user experience.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device and an air conditioner.
Background
The user is when using the air conditioner, in order to guarantee the clean and tidy of air conditioner, often can place curtain cloth or other shelter from the thing at indoor set air intake, set up curtain cloth or other shelter from the thing and can lead to the air conditioner intake volume undersize at the air intake, indoor heat transfer volume reduces, lead to indoor heat exchanger because the temperature is low excessively and frosting easily like this, serious still can trigger the protection of preventing frostbite, the air conditioner shuts down, the air conditioner does not take place the product trouble, but the user can't learn the air conditioner air intake and is sheltered from, can mistake and report for the air conditioner trouble and.
Disclosure of Invention
In view of this, the present invention provides an air conditioner control method, an air conditioner control device and an air conditioner, so as to solve the problem that the conventional air conditioner is prone to false alarm and failure caused by the shielding of the air inlet.
The technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides an air conditioning control method, including: acquiring a current operation mode of the air conditioner; acquiring the temperature of an indoor coil and the current running wind speed gear of the air conditioner; determining whether an air inlet of the air conditioner is shielded or not according to the temperature of the indoor coil and the current running wind speed gear; and when the air inlet is determined to be shielded, executing a preset shielding prevention measure. This scheme is through under the operating mode of difference, and according to air conditioner indoor coil pipe temperature and wind speed gear confirm whether the air intake is sheltered from, when confirming that the air intake is sheltered from, carries out and prevents sheltering from the measure, prevents that the air conditioner from being sheltered from and being thought by the user mistake as breaking down because the air intake, reminds the user in time to clear up the air intake, helps the user to correctly use the air conditioner, promotes user experience.
Further, when the current operation mode of the air conditioner is a cooling mode, the step of determining whether the air inlet of the air conditioner is blocked according to the temperature of the indoor coil and the current operation wind speed gear comprises: determining whether the temperature of the indoor coil is smaller than a protection temperature threshold corresponding to the current running wind speed gear; when the temperature of the indoor coil is smaller than a protection temperature threshold value corresponding to the current running wind speed gear, determining whether the temperature change rate of the indoor coil is larger than or equal to a first preset change rate; and when the indoor coil pipe temperature change rate is greater than or equal to the first preset change rate, determining that the air inlet is blocked.
Further, the wind speed gear of the air conditioner comprises: first wind shelves, second wind shelves, third wind shelves and fourth wind shelves, the wind speed of first wind shelves, second wind shelves, third wind shelves and fourth wind shelves increases in proper order, confirm whether indoor coil pipe temperature is less than the protection temperature threshold value that current operation wind speed gear corresponds includes: when the current running wind speed gear is the first wind gear, determining whether the temperature of the indoor coil is smaller than a first low-temperature protection threshold value; when the current running wind speed gear is the second wind gear, determining whether the temperature of the indoor coil is smaller than a second low-temperature protection threshold value; when the current running wind speed gear is the third wind gear, determining whether the temperature of the indoor coil is less than a third low-temperature protection threshold value; when the current running wind speed gear is the fourth wind gear, determining whether the temperature of the indoor coil is smaller than a fourth low-temperature protection threshold value; wherein the first low temperature protection threshold, the second low temperature protection threshold, the third low temperature protection threshold and the fourth low temperature protection threshold are sequentially decreased.
Further, when the current operation mode of the air conditioner is a heating mode, the step of determining whether the air inlet of the air conditioner is blocked according to the temperature of the indoor coil and the current operation wind speed gear comprises: determining whether the temperature of the indoor coil pipe is greater than a protection temperature threshold corresponding to the current running wind speed gear; when the temperature of the indoor coil pipe is larger than a protection temperature threshold value corresponding to the current running wind speed gear, determining whether the temperature change rate of the indoor coil pipe is larger than or equal to a second preset change rate; and when the indoor coil pipe temperature change rate is greater than or equal to the second preset change rate, determining that the air inlet is blocked.
Further, the wind speed gear of the air conditioner comprises: the protection temperature control method comprises the following steps of (1) first wind gear, second wind gear, third wind gear and fourth wind gear, wherein the wind speeds of the first wind gear, the second wind gear, the third wind gear and the fourth wind gear are sequentially increased, and whether the temperature of the indoor coil pipe is larger than the protection temperature threshold value corresponding to the current running wind speed gear or not is determined to comprise the following steps: when the current running wind speed gear is the first wind gear, determining whether the temperature of the indoor coil is greater than a first high-temperature protection threshold value; when the current running wind speed gear is the second wind gear, determining whether the temperature of the indoor coil is greater than a second high-temperature protection threshold value; when the current running wind speed gear is the third wind gear, determining whether the temperature of the indoor coil is greater than a third high-temperature protection threshold value; when the current running wind speed gear is the fourth wind gear, determining whether the temperature of the indoor coil is greater than a fourth high-temperature protection threshold value; wherein the first high temperature protection threshold, the second high temperature protection threshold, the third high temperature protection threshold, and the fourth high temperature protection threshold are sequentially increased.
Further, before the step of determining whether the air inlet of the air conditioner is blocked according to the indoor coil temperature and the current operating wind speed gear, the method further comprises the following steps: and acquiring the current operation mode of the air conditioner, wherein the operation mode comprises a cooling mode or a heating mode.
Further, when it is determined that the air inlet is blocked, the step of executing a preset blocking prevention measure includes: and controlling the indoor fan to rotate reversely at a preset rotating speed so as to blow up the shielding object of the air inlet.
Further, when it is determined that the air inlet is blocked, the step of executing a preset blocking prevention measure further includes: alert information is generated to alert a user.
In a second aspect, the present invention provides an air conditioning control apparatus for executing the above air conditioning control method, the air conditioning control apparatus including: the acquiring module is used for acquiring the temperature of an indoor coil and the current running wind speed gear of the air conditioner; the determining module is used for determining whether an air inlet of the air conditioner is shielded or not according to the temperature of the indoor coil and the current running wind speed gear; and the control module is used for executing preset shielding prevention measures when the air inlet is determined to be shielded.
In a third aspect, the present invention also provides an air conditioner comprising a controller configured to execute computer instructions to implement the steps of the method as described above.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 shows a functional block diagram of an air conditioner provided by the present invention.
Fig. 2 shows a schematic diagram of an air conditioner provided by the present invention.
Fig. 3 is a flowchart illustrating an air conditioner control method according to the present invention.
Fig. 4 is a flow chart illustrating another air conditioner control method according to the present invention.
Fig. 5 is a flow chart illustrating another air conditioner control method according to the present invention.
Fig. 6 is a flow chart illustrating another air conditioner control method according to the present invention.
Fig. 7 is a flowchart illustrating another air conditioner control method according to the present invention.
Fig. 8 is a schematic diagram illustrating functional modules of an air conditioning control device according to the present invention.
Icon: 200-air conditioning control device; 210-an obtaining module; 220-a determination module; 230-a control module; 300-an air conditioner; 310-a controller; 320-temperature detection module; 330-indoor fan.
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.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiment of the invention provides an air conditioner, which is used for adjusting indoor temperature and ensuring that a user has comfortable use experience at any time. Referring to fig. 1, a functional block diagram of an air conditioner 300 according to an embodiment of the present invention is shown. The air conditioner 300 includes: a controller 310, a temperature detection module 320 and an indoor fan 330. The controller 310 is electrically connected to the temperature detection module 320 and the indoor fan 330.
The controller 310 may be an integrated circuit chip having signal processing capabilities. The controller 310 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor. The controller 310 may also be any conventional processor or the like.
In a possible implementation manner, the air conditioner 300 may further include a memory for storing program instructions executable by the controller 310, such as program instructions/units corresponding to the air conditioner control device 200 or the method in the embodiment of the present invention, and the controller 310 executes various functional applications and data processing by running software programs and units of the air conditioner control device and the method stored in the memory, such as the air conditioner control method provided in the embodiment of the present invention. The Memory may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and the like. The memory may be integrated with the controller 310, for example, the memory may be integrated with the controller 310 in the same chip.
The temperature detection module 320 is configured to detect an indoor coil temperature and send the detected indoor coil temperature to the controller 310. In a preferred embodiment, the temperature detection module 320 includes at least one temperature sensor, which may be disposed near an indoor coil of the air conditioner 300 to detect the indoor coil temperature.
The indoor fan 330 is used to adjust the wind speed under the control of the controller 310. In one possible embodiment, the air conditioner 300 has a plurality of wind speed ranges, such as a first wind range, a second wind range, a third wind range and a fourth wind range, and the wind speeds of the first wind range, the second wind range, the third wind range and the fourth wind range are sequentially increased.
It is to be understood that the configuration shown in fig. 1 is merely exemplary, and that the air conditioner 300 may include more or fewer components than shown in fig. 1, or have a different configuration than shown in fig. 1. The components shown in fig. 1 may be implemented in hardware, software, or a combination thereof.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an air conditioner. When a user uses an air conditioner, in order to ensure the cleanness and tidiness of the air conditioner, curtain cloth or other shielding objects are often placed at an air inlet of an indoor unit, when the curtain cloth or other shielding objects are arranged at the air inlet, the air inlet is blocked by the shielding objects, so that the air pressure inside the air conditioner suddenly changes, the air flow pressures of the air inlet and the air outlet cannot be kept balanced, and the noise or surge (the sound of the air flow is suddenly large and small) of outlet air is caused; the cold energy of the heat exchanger cannot be taken away in time, so that frosting can be caused, the refrigeration effect is further deteriorated, or the machine is shut down; when heating, heat on the heat exchanger can not be taken away in time, so that the temperature of a refrigerant in a system pipeline is increased, the pressure is increased, the stress of the pipeline is increased, the leakage of the pipeline is easy to cause, and the shutdown protection is caused by the temperature increase of a compressor. The air conditioner does not have product faults, but a user cannot know that the air inlet of the air conditioner is shielded, and can mistakenly report the air conditioner faults. When the maintenance personnel get on the door and remove the shielding object of the air inlet of the indoor unit, the air conditioner can recover to normal operation, which does not belong to product failure but causes the maintenance personnel to get on the door for maintenance, and a large amount of manpower is consumed.
In order to avoid the situation that the user mistakenly thinks that the air conditioner fails, the embodiment of the invention provides an air conditioner control method, which is used for executing a preset shielding prevention measure when the air inlet of the air conditioner is shielded, so that the user mistakenly thinks that the air conditioner fails. Referring to fig. 3, fig. 3 is a flowchart illustrating an air conditioning control method according to an embodiment of the present invention, where the air conditioning control method includes steps 110 to 130.
Step 110: and acquiring the temperature of the indoor coil and the current running wind speed gear of the air conditioner.
The method comprises the steps of obtaining the temperature of an indoor coil of the air conditioner and the current running wind speed gear of the air conditioner, wherein in a possible implementation mode, at least one temperature sensor is arranged on the air conditioner and used for detecting the temperature of the indoor coil, and a controller obtains the temperature of the indoor coil and the current running wind speed gear.
Step 120: and determining whether the air inlet of the air conditioner is shielded or not according to the temperature of the indoor coil and the current running wind speed gear.
According to the wind speed gear of indoor coil pipe temperature and current operation, confirm indoor coil pipe temperature change rule, if the change of indoor coil pipe temperature satisfies the condition, for example, under the heating mode, indoor coil pipe temperature is higher, and indoor coil pipe temperature risees sooner, or indoor coil pipe temperature is lower under the cooling mode, and indoor coil pipe temperature reduces sooner, then can confirm that the air intake of air conditioner is sheltered from.
Step 130: and when the air inlet is determined to be shielded, executing preset shielding prevention measures.
When the air inlet of the air conditioner is determined to be shielded, a preset shielding prevention measure is executed to prevent the air inlet from being shielded to influence the normal operation of the air conditioner and prevent the air conditioner from being shut down. For example, the shielding prevention measure can be used for automatically clearing the shielding object of the air conditioner and can also be used for reminding a user of timely clearing the shielding object, and even if the air conditioner stops, the user can know that the reason for stopping the air conditioner is that the air inlet is shielded and the air conditioner fails through the shielding prevention measure.
The air conditioner control method provided by the scheme determines whether the air inlet of the air conditioner is shielded or not according to the temperature of the indoor coil pipe and the wind speed gear when the air conditioner operates, executes anti-shielding measures when the air inlet is shielded, avoids the situation of shutdown, and meanwhile prevents the air conditioner from being mistakenly considered as a fault by a user because the air inlet is shielded, reminds the user to clean the air inlet in time, helps the user to correctly use the air conditioner, and improves the user experience.
For the air conditioner, the temperature of the indoor coil is lower when the air conditioner works in a cooling mode in summer, and the temperature of the indoor coil is higher when the air conditioner works in a heating mode in winter. Whether the air inlet is shielded or not is judged according to different indoor coil temperatures correspondingly according to different working modes of the air conditioner. Referring to fig. 4, at step 120: before the step of determining whether the air inlet of the air conditioner is shielded according to the temperature of the indoor coil and the current running wind speed gear, the air conditioner control method further comprises the following steps:
step 111: and acquiring the current operation mode of the air conditioner, wherein the operation mode comprises a cooling mode or a heating mode.
In a possible implementation manner, the controller controls the air conditioner to work in a corresponding mode according to an instruction of a user, so that the controller may directly obtain a current operation mode of the air conditioner, where the operation mode includes a cooling mode, a heating mode, and the like.
It should be noted that, in this embodiment, any one of step 111 and step 110 may be executed in advance, or both of them may be executed at the same time, which is not limited in this embodiment.
After the operation mode, the indoor coil temperature, and the current operation wind speed gear of the air conditioner are obtained, in different operation modes, it is determined whether the air inlet is blocked according to the indoor coil temperature and the current operation wind speed gear, which is described below by taking the air conditioner working in the cooling mode as an example, when the air conditioner is working in the cooling mode, referring to fig. 5, step 120: the step of determining whether the air inlet of the air conditioner is shielded or not according to the temperature of the indoor coil of the air conditioner and the current running wind speed gear comprises the following steps:
step 120-1: and determining whether the temperature of the indoor coil is smaller than a protection temperature threshold corresponding to the current running wind speed gear.
In one possible implementation, the wind speed gear of the air conditioner includes: the protection temperature threshold comprises a first low-temperature protection threshold, a second low-temperature protection threshold, a third low-temperature protection threshold and a fourth low-temperature protection threshold under different wind speed gears, wherein the first wind gear corresponds to the first low-temperature protection threshold, the second wind gear corresponds to the second low-temperature protection threshold, the third wind gear corresponds to the third low-temperature protection threshold, and the fourth wind gear corresponds to the fourth low-temperature protection threshold.
And comparing the acquired indoor coil temperature with a protection temperature threshold corresponding to the current running wind speed gear, and determining whether the indoor coil temperature is smaller than the protection temperature threshold corresponding to the current running wind speed gear.
According to different operating wind speed gears of the air conditioner, step 120-1: determining whether the indoor coil temperature is less than the protection temperature threshold corresponding to the current operating wind speed gear includes the following conditions:
if the current running wind speed gear is a first wind gear, determining whether the temperature of the indoor coil is less than a first low-temperature protection threshold value; if the current running wind speed gear is a second wind gear, determining whether the temperature of the indoor coil is smaller than a second low-temperature protection threshold value; if the current running wind speed gear is a third wind gear, determining whether the temperature of the indoor coil is less than a third low-temperature protection threshold value; and if the current running wind speed gear is a fourth wind gear, determining whether the temperature of the indoor coil is less than a fourth low-temperature protection threshold value.
And the first low-temperature protection threshold, the second low-temperature protection threshold, the third low-temperature protection threshold and the fourth low-temperature protection threshold are sequentially reduced. In one possible implementation, the first cryoprotective threshold may be set at 15 ℃, the second cryoprotective threshold may be set at 13 ℃, the third cryoprotective threshold may be set at 11 ℃, and the fourth cryoprotective threshold may be set at 9 ℃. In the cooling mode, the temperature protection threshold is a temperature threshold for the air conditioner to enter an anti-freezing mode, when the temperature of the indoor coil is lower than the temperature protection threshold corresponding to the wind speed gear, the air conditioner may trigger anti-freezing protection to stop, in order to confirm the reason that the temperature of the indoor coil is lower (low temperature or the air inlet is blocked), when the temperature of the indoor coil is lower than the protection temperature threshold corresponding to the current running wind speed gear, further judgment needs to be performed according to the change rate of the temperature of the indoor coil, and step 120-2 is executed; and if the temperature of the indoor coil is not less than the protection temperature threshold corresponding to the current running wind speed gear, continuously detecting.
Step 120-2: and when the temperature of the indoor coil is smaller than a protection temperature threshold corresponding to the current running wind speed gear, determining whether the temperature change rate of the indoor coil is larger than or equal to a first preset change rate.
And when the temperature of the indoor coil is smaller than a protection temperature threshold corresponding to the current running wind speed gear, determining whether the temperature change rate of the indoor coil is larger than or equal to a first preset change rate. In the refrigeration mode, if the air inlet of the air conditioner is blocked, the air input is suddenly reduced, the heat exchange is insufficient, the temperature of the indoor coil pipe is quickly reduced, and the change rate is high; if the temperature of the indoor coil pipe of the air conditioner is low due to the fact that the working environment of the air conditioner is in the low-temperature environment, the temperature of the indoor coil pipe of the air conditioner is lowered slowly, the change rate is low, and when the temperature of the indoor coil pipe is smaller than a protection temperature threshold value corresponding to a current running wind speed gear, whether the change rate of the temperature of the indoor coil pipe is larger than or equal to a first preset change rate or not is determined so as to judge whether an air inlet of the air conditioner is shielded or not.
Step 120-3: and when the temperature change rate of the indoor coil pipe is greater than or equal to a first preset change rate, determining that the air inlet is blocked.
When the temperature change rate of the indoor coil pipe is larger than or equal to a first preset change rate, it is determined that the air inlet is blocked. In one possible embodiment, the first predetermined rate of change may be set to be about 1.2 ℃/min to 1.6 ℃/min. I.e. if the temperature change per minute exceeds 1.2-1.6 c. That is, when the change rate of the indoor coil temperature is greater than 1.2-1.6 ℃ per minute, it is determined that the indoor coil temperature changes faster, and the air inlet of the air conditioner may be blocked.
In a possible implementation manner, when the indoor coil temperature is determined to be lower than the protection temperature threshold corresponding to the current running wind speed gear, the indoor coil temperature change rate is calculated according to the acquired current indoor coil temperature every 2-5 minutes, so that the temperature change condition is determined according to the indoor coil temperature change rate, and whether the air inlet is shielded or not is determined.
Similarly, when the current operation mode of the air conditioner is the heating mode, referring to fig. 6, step 120: the step of determining whether the air inlet of the air conditioner is shielded or not according to the temperature of the indoor coil and the current running wind speed gear comprises the following substeps:
step 120-4: and determining whether the temperature of the indoor coil is greater than a protection temperature threshold corresponding to the current running wind speed gear.
In one possible implementation, the wind speed gear of the air conditioner includes: the wind speed of the first wind shield, the second wind shield, the third wind shield and the fourth wind shield is increased in sequence, and under different wind speed gears, the protection temperature threshold comprises a first high-temperature protection threshold, a second high-temperature protection threshold, a third high-temperature protection threshold and a fourth high-temperature protection threshold, wherein the first wind shield corresponds to the first high-temperature protection threshold, the second wind shield corresponds to the second high-temperature protection threshold, the third wind shield corresponds to the third high-temperature protection threshold, and the fourth wind shield corresponds to the fourth high-temperature protection threshold.
And comparing the acquired indoor coil temperature with a protection temperature threshold corresponding to the current running wind speed gear, and determining whether the indoor coil temperature is greater than the protection temperature threshold corresponding to the current running wind speed gear.
According to different operating wind speed gears of the air conditioner, step 120-4: determining whether the indoor coil temperature is greater than the protection temperature threshold corresponding to the current operating wind speed gear includes the following conditions:
if the current running wind speed gear is a first wind gear, determining whether the temperature of the indoor coil is greater than a first high-temperature protection threshold value; if the current running wind speed gear is a second wind gear, determining whether the temperature of the indoor coil is greater than a second high-temperature protection threshold value; if the current running wind speed gear is a third wind gear, determining whether the temperature of the indoor coil is greater than a third high-temperature protection threshold value; and if the current running wind speed gear is a fourth wind gear, determining whether the temperature of the indoor coil is greater than a fourth high-temperature protection threshold value.
And the first high-temperature protection threshold, the second high-temperature protection threshold, the third high-temperature protection threshold and the fourth high-temperature protection threshold are sequentially increased. In one possible implementation, the first high temperature protection threshold may be set at 50 ℃, the second high temperature protection threshold may be set at 52 ℃, the third high temperature protection threshold may be set at 54 ℃, and the fourth high temperature protection threshold may be set at 56 ℃. In a refrigeration mode, the temperature protection threshold is a temperature threshold for the air conditioner to enter high-temperature protection, when the temperature of the indoor coil is higher than the temperature protection threshold corresponding to the wind speed gear, the air conditioner may trigger high-temperature protection to stop, in order to confirm the reason that the temperature of the indoor coil is higher (the working load is too large to cause high temperature or the air inlet is blocked), when the temperature of the indoor coil is higher than the protection temperature threshold corresponding to the current running wind speed gear, further judgment needs to be carried out according to the change rate of the temperature of the indoor coil, and the step 120-5 is executed, and if the temperature of the indoor coil is not higher than the protection temperature threshold corresponding to the current running wind speed gear, detection is continuously carried out.
Step 120-5: and when the temperature of the indoor coil is greater than the protection temperature threshold corresponding to the current running wind speed gear, determining whether the temperature change rate of the indoor coil is greater than or equal to a second preset change rate.
And when the temperature of the indoor coil is greater than the protection temperature threshold corresponding to the current running wind speed gear, determining whether the temperature change rate of the indoor coil is greater than or equal to a first preset change rate. In the heating mode, if the air inlet of the air conditioner is blocked, the air input is suddenly reduced, the heat exchange is insufficient, the temperature of the indoor coil pipe is quickly increased, and the change rate is high; if the temperature of the indoor coil pipe of the air conditioner is increased due to overhigh working load of the air conditioner, the temperature of the indoor coil pipe of the air conditioner is increased slowly, the change rate is low, and when the temperature of the indoor coil pipe is larger than a protection temperature threshold value corresponding to a current running wind speed gear, whether the temperature change rate of the indoor coil pipe is larger than or equal to a second preset change rate or not is determined so as to judge whether an air inlet of the air conditioner is shielded or not.
Step 120-6: and when the temperature change rate of the indoor coil pipe is greater than or equal to a second preset change rate, determining that the air inlet is blocked.
And when the temperature change rate of the indoor coil pipe is greater than or equal to a second preset change rate, determining that the air inlet is blocked. In one possible embodiment, the second predetermined rate of change may be set to be the same as the first predetermined rate of change, i.e., about 1.2 ℃/min to 1.6 ℃/min. I.e. if the temperature change per minute exceeds 1.2-1.6 c. That is, when the change rate of the indoor coil temperature is greater than 1.2-1.6 ℃ per minute, the indoor coil temperature rises faster, i.e., it is determined that the air inlet of the air conditioner may be blocked.
In a possible implementation manner, when the indoor coil temperature is higher than the protection temperature threshold corresponding to the current running wind speed gear, the indoor coil temperature change rate is calculated according to the acquired current indoor coil temperature every 2-5 minutes, so that the temperature change condition is determined according to the indoor coil temperature change rate, and whether the air inlet is shielded or not is determined.
When the air inlet is determined to be shielded, the shielding object needs to be removed, so that the normal operation of the air conditioner is prevented from being influenced. Referring to fig. 7, step 130: when the air inlet is determined to be shielded, the step of executing the preset shielding prevention measure comprises the following substeps:
step 130-1: the indoor fan is controlled to rotate reversely at a preset rotating speed so as to blow up the sheltering object at the air inlet.
When the air inlet of the air conditioner is determined to be blocked, the indoor fan is controlled to operate in a ventilation mode, and the indoor fan is reversed at a preset speed to reverse the air path and blow air from the air inlet outwards, wherein the preset speed can be set according to the installation environment of the air conditioner, and for example, the preset speed can be set to be the maximum air speed so as to blow the blocked object of the air inlet. For example, if the air intake is sheltered from by the cloth curtain etc. when, can blow up the cloth curtain through indoor fan reversal, on the one hand, can prevent that the air intake from being sheltered from for a long time, influencing the air conditioner operation, on the other hand, can attract the user to pay close attention to action and sound that blow up the cloth curtain, remind the user to remove the shelter from the thing.
When the user is near the air conditioner, the indoor fan is rotated reversely at a preset rotation speed to blow up the shielding object of the air inlet to attract the attention of the user, but when the user is not near the air conditioner, for example, the user is in two different rooms from the air conditioner, the desired effect may not be achieved, and therefore, in another possible implementation manner, the step 130 further includes:
step 130-2: alert information is generated to alert a user.
The warning information can be character warning information, picture warning information and sound warning information, in one possible implementation mode, a panel of the air conditioner displays a shielding mark and sends out warning sound through a loudspeaker to warn a user, in another possible implementation mode, the air conditioner can also send the warning information to a user terminal held by the user through a network, for example, the warning information is sent to a mobile phone of the user, the air inlet of the air conditioner of the user is shielded, and the user is reminded of timely cleaning a shielding object of the air inlet of the air conditioner.
In one possible implementation, if the temperature of the indoor coil of the air conditioner returns to the normal level, it may be determined that the obstruction has been removed, and the air conditioner operates according to the operation mode before the air inlet is obstructed.
The air conditioner control method provided by the invention can determine whether the air inlet of the air conditioner is shielded according to the temperature of the indoor coil and the wind speed gear when the air conditioner operates in different operation modes, and when the air inlet is determined to be shielded, an anti-shielding measure is executed to remind a user to clear shielding objects, so that the condition of shutdown is avoided, meanwhile, the air conditioner is prevented from being mistakenly considered as a fault by the user because the air inlet is shielded, the user is reminded to clear the air inlet in time, the user is helped to use the air conditioner correctly, and the user experience is improved.
In order to execute the air conditioning control method in the above embodiments and the corresponding steps in each possible implementation, an implementation of the air conditioning control device 200 is given below. Referring to fig. 8, fig. 8 is a schematic functional block diagram of an air conditioning control device 200 according to an embodiment of the present disclosure. It should be noted that the basic principle and the technical effects of the air conditioning control device 200 provided in the present embodiment are the same as those of the air conditioning control method provided in the above embodiment, and for the sake of brief description, no mention is made in this embodiment, and reference may be made to the corresponding contents in the above embodiment. The air conditioning control apparatus 200 includes an acquisition module 210, a determination module 220, and a control module 230.
The obtaining module 210 is configured to obtain an indoor coil temperature and a current operating wind speed gear of the air conditioner 300.
In one possible implementation, the obtaining module 210 may be configured to execute step 110 in each of the above-mentioned figures to achieve a corresponding technical effect.
The obtaining module 210 is further configured to obtain a current operation mode of the air conditioner 300, where the operation mode includes a cooling mode or a heating mode.
In a possible implementation manner, the obtaining module 210 may be specifically configured to execute step 111 to achieve a corresponding technical effect.
The determining module 220 is configured to determine whether an air inlet of the air conditioner 300 is blocked according to the indoor coil temperature and the current operating wind speed gear. After the operation mode, the indoor coil temperature and the current operation wind speed gear of the air conditioner 300 are obtained, whether the air inlet is shielded or not is determined according to the indoor coil temperature and the current operation wind speed gear in different operation modes.
In a possible implementation, the determining module 220 may be specifically configured to perform step 120 to achieve a corresponding technical effect.
When the air conditioner 300 operates in the cooling mode, the determining module 220 may be configured to determine whether the temperature of the indoor coil is less than the protection temperature threshold corresponding to the current operating wind speed gear, determine whether the change rate of the temperature of the indoor coil is greater than or equal to a first preset change rate when the temperature of the indoor coil is less than the protection temperature threshold corresponding to the current operating wind speed gear, and determine that the air inlet is blocked when the change rate of the temperature of the indoor coil is greater than or equal to the first preset change rate.
In a possible implementation manner, the determining module 220 may be specifically configured to perform steps 120-1 to 120-3 to achieve corresponding technical effects.
When the air conditioner 300 operates in the heating mode, the determining module 220 may be configured to determine whether the temperature of the indoor coil is greater than a protection temperature threshold corresponding to a current operating wind speed gear, determine whether a change rate of the temperature of the indoor coil is greater than or equal to a second preset change rate when the temperature of the indoor coil is greater than the protection temperature threshold corresponding to the current operating wind speed gear, and determine that the air inlet is blocked when the change rate of the temperature of the indoor coil is greater than or equal to the second preset change rate.
In a possible implementation manner, the determining module 220 may be specifically configured to perform steps 120-4 to 120-6 to achieve the corresponding technical effect.
And the control module 230 is configured to execute a preset anti-blocking measure when it is determined that the air inlet is blocked.
In a possible implementation, the control module 230 may be specifically configured to execute the step 130 to achieve the corresponding technical effect. When it is determined that the air inlet of the air conditioner 300 is blocked, the indoor fan 330 is controlled to rotate reversely at a preset rotation speed to blow up the blocking object of the air inlet, or warning information is generated to warn a user.
In a possible implementation manner, the control module 230 may be specifically configured to execute the steps 130-1 to 130-2 to achieve the corresponding technical effect.
The present invention also provides a storage medium for storing computer-readable instructions, which, when executed by the controller 310, perform the steps of the air conditioner control method described above.
In summary, the invention provides an air conditioner control method, an air conditioner control device and an air conditioner, wherein under different operation modes, the indoor coil temperature and the operation wind speed gear of the air conditioner are obtained, whether the indoor coil temperature of the air conditioner is within the temperature protection threshold range corresponding to the current wind speed gear is determined, if the indoor coil temperature exceeds the temperature protection threshold range, the change condition of the indoor coil temperature is determined according to the change rate of the indoor coil temperature, when the change rate of the indoor coil temperature is larger than the preset value, it is determined that the air inlet of the air conditioner is blocked, when it is determined that the air inlet is blocked, an anti-blocking measure is executed, the air conditioner is prevented from being mistakenly regarded as a fault by a user because the air inlet is blocked, the user is reminded to clean the air inlet in time, the user is helped to use the.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
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. An air conditioner control method is applied to an air conditioner, and the air conditioner control method comprises the following steps:
acquiring the temperature of an indoor coil and the current running wind speed gear of the air conditioner;
determining whether an air inlet of the air conditioner is shielded or not according to the temperature of the indoor coil and the current running wind speed gear;
and when the air inlet is determined to be shielded, executing a preset shielding prevention measure.
2. The air conditioner control method according to claim 1, wherein when the current operation mode of the air conditioner is a cooling mode, the step of determining whether the air inlet of the air conditioner is blocked according to the indoor coil temperature and the current operation wind speed gear comprises:
determining whether the temperature of the indoor coil is smaller than a protection temperature threshold corresponding to the current running wind speed gear;
when the temperature of the indoor coil is smaller than a protection temperature threshold value corresponding to the current running wind speed gear, determining whether the temperature change rate of the indoor coil is larger than or equal to a first preset change rate;
and when the indoor coil pipe temperature change rate is greater than or equal to the first preset change rate, determining that the air inlet is blocked.
3. The air conditioner control method according to claim 2, wherein the wind speed gear of the air conditioner includes: first wind shelves, second wind shelves, third wind shelves and fourth wind shelves, the wind speed of first wind shelves, second wind shelves, third wind shelves and fourth wind shelves increases in proper order, confirm whether indoor coil pipe temperature is less than the protection temperature threshold value that current operation wind speed gear corresponds includes:
when the current running wind speed gear is the first wind gear, determining whether the temperature of the indoor coil is smaller than a first low-temperature protection threshold value;
when the current running wind speed gear is the second wind gear, determining whether the temperature of the indoor coil is smaller than a second low-temperature protection threshold value;
when the current running wind speed gear is the third wind gear, determining whether the temperature of the indoor coil is less than a third low-temperature protection threshold value;
when the current running wind speed gear is the fourth wind gear, determining whether the temperature of the indoor coil is smaller than a fourth low-temperature protection threshold value;
wherein the first low temperature protection threshold, the second low temperature protection threshold, the third low temperature protection threshold and the fourth low temperature protection threshold are sequentially decreased.
4. The air conditioner control method according to claim 1, wherein when the current operation mode of the air conditioner is a heating mode, the step of determining whether the air inlet of the air conditioner is blocked according to the indoor coil temperature and the current operation wind speed gear comprises:
determining whether the temperature of the indoor coil pipe is greater than a protection temperature threshold corresponding to the current running wind speed gear;
when the temperature of the indoor coil pipe is larger than a protection temperature threshold value corresponding to the current running wind speed gear, determining whether the temperature change rate of the indoor coil pipe is larger than or equal to a second preset change rate;
and when the indoor coil pipe temperature change rate is greater than or equal to the second preset change rate, determining that the air inlet is blocked.
5. The air conditioner control method according to claim 4, wherein the wind speed gear of the air conditioner includes: the protection temperature control method comprises the following steps of (1) first wind gear, second wind gear, third wind gear and fourth wind gear, wherein the wind speeds of the first wind gear, the second wind gear, the third wind gear and the fourth wind gear are sequentially increased, and whether the temperature of the indoor coil pipe is larger than the protection temperature threshold value corresponding to the current running wind speed gear or not is determined to comprise the following steps:
when the current running wind speed gear is the first wind gear, determining whether the temperature of the indoor coil is greater than a first high-temperature protection threshold value;
when the current running wind speed gear is the second wind gear, determining whether the temperature of the indoor coil is greater than a second high-temperature protection threshold value;
when the current running wind speed gear is the third wind gear, determining whether the temperature of the indoor coil is greater than a third high-temperature protection threshold value;
when the current running wind speed gear is the fourth wind gear, determining whether the temperature of the indoor coil is greater than a fourth high-temperature protection threshold value;
wherein the first high temperature protection threshold, the second high temperature protection threshold, the third high temperature protection threshold, and the fourth high temperature protection threshold are sequentially increased.
6. The air conditioner control method according to claim 1, wherein before the step of determining whether the air inlet of the air conditioner is blocked according to the indoor coil temperature and the current operating wind speed gear, the method further comprises:
and acquiring the current operation mode of the air conditioner, wherein the operation mode comprises a cooling mode or a heating mode.
7. The air conditioner control method according to claim 1, wherein the step of performing a preset blocking prevention measure when it is determined that the air inlet is blocked comprises:
and controlling the indoor fan to rotate reversely at a preset rotating speed so as to blow the shielding object of the air inlet.
8. The air conditioner control method according to claim 7, wherein the step of performing a preset blocking prevention measure when it is determined that the air inlet is blocked further comprises:
alert information is generated to alert a user.
9. An air conditioning control apparatus for performing the air conditioning control method according to any one of claims 1 to 8, the air conditioning control apparatus comprising:
the acquiring module is used for acquiring the temperature of an indoor coil and the current running wind speed gear of the air conditioner;
the determining module is used for determining whether an air inlet of the air conditioner is shielded or not according to the temperature of the indoor coil and the current running wind speed gear;
and the control module is used for executing preset shielding prevention measures when the air inlet is determined to be shielded.
10. An air conditioner comprising a controller configured to execute computer instructions to implement the steps of the method according to any one of claims 1 to 8.
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Address after: 315191 No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee after: NINGBO AUX ELECTRIC Co.,Ltd. Country or region after: China Patentee after: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. Address before: No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee before: NINGBO AUX ELECTRIC Co.,Ltd. Country or region before: China Patentee before: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. |