CN107461893B

CN107461893B - Air conditioner control method and device

Info

Publication number: CN107461893B
Application number: CN201710787704.1A
Authority: CN
Inventors: 许文明; 王飞; 付裕; 张明杰; 刘聚科; 马林; 李波; 袁俊军; 丁爽; 任志强
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Smart Home Co Ltd; Qingdao Haier Jiaozhou Air Conditioner Co Ltd
Priority date: 2017-09-04
Filing date: 2017-09-04
Publication date: 2020-08-04
Anticipated expiration: 2037-09-04
Also published as: CN107461893A

Abstract

The invention discloses a method and a device for controlling an air conditioner, and belongs to the technical field of air conditioners. The method comprises the following steps: acquiring a current temperature and humidity value of the air conditioning action area; and if the temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity values is smaller than or equal to a set value and the current humidity value in the current temperature and humidity values is not in the target comfortable humidity range corresponding to the set temperature value, switching the current operation mode of at least one device of the air conditioner, including a fan, according to a set strategy until the current temperature and humidity value meets the set requirement. Therefore, by controlling the operation of at least one device including the fan, after the air conditioner operates, the current temperature and humidity value can meet the set requirement, and the temperature and humidity double control of the air conditioner is realized.

Description

Air conditioner control method and device

Technical Field

The invention relates to the technical field of air conditioners, in particular to a method and a device for controlling an air conditioner.

Background

With the improvement of living standard, air conditioners have been increasingly used. At present, most air conditioners, particularly household air conditioners, adopt a vapor compression method for cooling or heating.

In the process of cooling or heating the air conditioner, the humidity of the air conditioning operation area may be changed. For example: when the deviation between the preset temperature and the actual temperature of an air conditioning action area (such as a room) is large, the air conditioner refrigerates, the compressor operates at high frequency, at the moment, the temperature of a coil pipe in an indoor unit of the air conditioner is low and is generally lower than the dew point temperature of air, therefore, water vapor in the air is continuously condensed, and when the actual temperature of the room reaches the preset temperature, the air humidity is possibly low, and a human body feels dry and uncomfortable. When the difference between the actual temperature of the room and the preset temperature is small, the air conditioner refrigerates, the compressor runs at a low frequency, at the moment, the temperature of the coil pipe is higher and is generally higher than the dew point temperature of air, therefore, water vapor in the air cannot be condensed, and when the actual temperature of the room reaches the preset temperature, the air humidity is possibly larger, and people feel uncomfortable. Therefore, adjusting the humidity of air is a problem that needs to be solved urgently in the technical field of air conditioners at present.

Disclosure of Invention

The embodiment of the invention provides a method and a device for controlling an air conditioner. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

According to a first aspect of embodiments of the present invention, there is provided an air conditioning control method, including:

acquiring a current temperature and humidity value of the air conditioning action area;

and if the temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity values is smaller than or equal to a set value and the current humidity value in the current temperature and humidity values is not in the target comfortable humidity range corresponding to the set temperature value, switching the current operation mode of at least one device of the air conditioner, including a fan, according to a set strategy until the current temperature and humidity value meets the set requirement.

In an embodiment of the present invention, the switching, according to a set policy, a current operation mode of at least one device of the air conditioner, which includes a fan, includes:

controlling a fan of the air conditioner to operate at a first rotating speed for a set first time period and then switching to a second rotating speed for operation, wherein the first rotating speed is greater than the second rotating speed;

and controlling the fan to operate at a second rotating speed for a set second time period and then switching to the first rotating speed for operation.

In an embodiment of the present invention, the switching the current operation mode of at least one device of the air conditioner including a fan further includes:

when the fan runs at a first rotating speed, switching the current running frequency of a compressor of the air conditioner to a first frequency for running;

and when the fan runs at a second rotating speed, switching the current running frequency of the compressor of the air conditioner to a second frequency for running, wherein the first frequency is less than the second frequency.

In an embodiment of the present invention, the method further includes:

and if the temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity value is greater than the set value, controlling the compressor of the air conditioner to operate at a second frequency until the temperature deviation is less than or equal to the set value, wherein the second frequency is greater than the set frequency.

In an embodiment of the present invention, the method further includes:

and if the temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity values is less than or equal to a set value and the current humidity value in the current temperature and humidity values is in a target comfortable humidity range corresponding to the set temperature value, maintaining the current operation mode of the fan.

According to a second aspect of the embodiments of the present invention, there is provided an apparatus for controlling an air conditioner, including:

the acquisition unit is used for acquiring the current temperature and humidity value of the air conditioning action area;

and the first control unit is used for switching the current operation mode of at least one device of the air conditioner, including a fan, according to a set strategy until the current temperature and humidity value reaches a set requirement if the temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity value is less than or equal to a set value and the current humidity value in the current temperature and humidity value is not within a target comfortable humidity range corresponding to the set temperature value.

In an embodiment of the present invention, the first control unit is further configured to control a fan of the air conditioner to operate at a first rotation speed for a set first duration and then switch to a second rotation speed, where the first rotation speed is greater than the second rotation speed; and controlling the fan to operate at a second rotating speed for a set second time period and then switching to the first rotating speed for operation.

In an embodiment of the present invention, the first control unit is further configured to switch a current operating frequency of a compressor of the air conditioner to a first frequency operation when the fan operates at a first rotation speed; and when the fan runs at a second rotating speed, switching the current running frequency of the compressor of the air conditioner to a second frequency for running, wherein the first frequency is less than the second frequency.

In an embodiment of the present invention, the method further includes:

and the second control unit is used for controlling the compressor of the air conditioner to operate at a second frequency if the temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity value is greater than the set value until the temperature deviation is less than or equal to the set value, and the second frequency is greater than the set frequency.

In an embodiment of the present invention, the method further includes:

and the third control unit is used for maintaining the current operation mode of the fan if the temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity values is less than or equal to a set value and the current humidity value in the current temperature and humidity values is in a target comfortable humidity range corresponding to the set temperature value.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

in the embodiment of the invention, the operation of at least one device including the fan is controlled, so that the current temperature and humidity value can meet the set requirement after the air conditioner operates, the temperature and humidity double control of the air conditioner is realized, the fan operation mode switching can be controlled according to the set time length strategy, and the efficiency of the temperature and humidity double control is further improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a flow diagram illustrating a method of controlling an air conditioner according to an exemplary embodiment;

FIG. 2 is a flow chart illustrating a method of controlling an air conditioner according to an exemplary embodiment;

FIG. 3 is a flowchart illustrating a method of controlling an air conditioner according to a second exemplary embodiment;

FIG. 4 is a flowchart illustrating a method of controlling an air conditioner according to a third exemplary embodiment;

FIG. 5 is a block diagram illustrating an air conditioning control unit according to an exemplary embodiment;

fig. 6 is a block diagram illustrating an air conditioning control apparatus according to an exemplary embodiment.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, 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 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, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the structures, products and the like disclosed by the embodiments, the description is relatively simple because the structures, the products and the like correspond to the parts disclosed by the embodiments, and the relevant parts can be just described by referring to the method part.

The air conditioner is a common electric appliance in daily life, and can adjust the indoor temperature, namely, raise or lower the temperature, so that the indoor temperature is matched with the preset temperature of a user. However, most of indoor air humidity can not be adjusted currently, in the embodiment of the invention, the current temperature and humidity value can reach the set requirement after the air conditioner is operated by controlling the operation of at least one device including the fan, so that the temperature and humidity double control of the air conditioner is realized.

The air conditioner serves a user as an electric appliance, and the comfortable feeling of the user is an important index for judging the performance of the air conditioner. After the user sets the temperature, the user feels comfortable in a humidity range corresponding to the set temperature and in the temperature and the corresponding humidity range, and here, the target comfortable humidity range corresponds to the body feeling set comfortable level of the human body, for example, at the set temperature, the humidity range corresponding to the most comfortable body feeling of the human body is the target comfortable humidity range. Therefore, the target comfort humidity range is determined according to the sensible comfort level of the human body corresponding to the set temperature of the air conditioner.

Here, the correspondence between the temperature and the humidity range may be stored in advance, that is, for each set temperature, a plurality of human bodies may be tested, the most comfortable humidity for the corresponding human body may be obtained, the first humidity corresponding to the set somatosensory comfort level of the plurality of human body collected samples in the set area of the preset temperature may be obtained, the target comfortable humidity range corresponding to the set temperature may be determined according to the first humidity, and the correspondence may be stored. For example: the preset temperature is 25 deg., and at this time, the first humidity is between 40% -60% of the relative humidity, and most users feel the most comfortable, so that a plurality of first humidities are included in the relative humidity 40% -60%, the humidity 40% -60% can be determined as the target comfort humidity range corresponding to the set temperature, and the corresponding relationship between the preset temperature 25 deg. and the target comfort humidity 40% -60% is maintained.

Thus, the correspondence between the stored temperature and humidity ranges can be as shown in Table 1:

temperature of	Target comfort humidity range
		30°	The humidity is 30 to 50 percent
28°	The humidity is 35 to 60 percent
		26°	The humidity is 40 to 55 percent
…	…

TABLE 1

Here, the target comfortable humidity range corresponding to the set temperature of the air conditioner may be determined according to the correspondence relationship between the stored temperature and humidity range. As shown in table 1, if the set temperature is 26 °, it is determined that the target comfort humidity range is 40% -55% humidity.

After the set temperature of the air conditioner is determined, the corresponding target comfortable humidity range can be determined, and then the device of the air conditioner can be controlled, and the temperature and the humidity of the air conditioning action area are adjusted to the set requirement.

Fig. 1 is a flowchart illustrating an air conditioner control method according to an exemplary embodiment. As shown in fig. 1, the process of the air conditioning control includes:

step 101: and acquiring the current temperature and humidity value of the air conditioning action area.

In the embodiment of the present invention, the air conditioner may adjust the temperature and humidity of the air conditioning action area, and the current temperature and humidity values include: a current temperature value and a current humidity value. Generally, the current temperature value of the air conditioning action area can be obtained through a corresponding temperature sensor in an air conditioning system, the current humidity value in the current temperature and humidity value can be obtained in various modes, and if a humidity sensor is arranged in the air conditioner, the current humidity value of the air conditioning action area can be obtained through the humidity sensor. And some air conditioners do not have a humidity sensor, so that the current humidity value in the current temperature and humidity values can be determined by acquiring the operating parameters of the air conditioners. Therefore, not only the current temperature value in the current temperature and humidity value of the air conditioning action area needs to be obtained, but also the temperature value of the coil pipe of the internal machine and the running frequency value of the compressor of the air conditioner need to be obtained, and then the current humidity value in the current temperature and humidity value is determined according to the obtained value, which can comprise: according to the temperature value of the coil pipe of the internal machine of the air conditioner and the running frequency value of the compressor, the current humidity value in the current temperature and humidity values is obtained through a formula (i); or, obtaining an opening value of an expansion valve in the air conditioner, and obtaining a current humidity value in the current temperature and humidity value through a formula (ii) according to the temperature value of the coil pipe of the internal machine, the running frequency value of the compressor and the opening value.

Rh＝A₁*T1+B₁*T2+C₁Hz + E- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Rh＝A₂*T1+B₂*T2+C₂Hz + D + F-F-formula (ii)

Wherein Rh is the current humidity value, T1 is the current temperature value, T2 is the temperature value of the coil of the internal machine, hz is the running frequency value of the compressor, f is the opening value, A₁、B₁、C₁、A₂、B₂、C₂D, E, F are constants determined according to the type of air conditioner.

For example: for type one air conditioner, after multiple debugging statistics, preferably, A₁A constant of 8 or more and 12 or less, B₁Is a constant of-12 or more and-8 or less, C₁Is a constant between-2 and-1, and E is a constant between-10 and 20, so that the current humidity value can be obtained from the formula (1).

When T1 is 25, T2 is 14, hz is 50, its corresponding a₁＝10，B₁＝-10，C₁The correction value E is 10, and the current humidity value Rh is 70% by formula (1).

Of course, for other types of air conditioners, a can be determined through multiple debugging statistics₁、B₁、C₁Preferred value range of E, or determining A₂、B₂、C₂D, F. The details are not necessarily given as an example.

Therefore, a humidity sensor is not required to be added, the current humidity value can be obtained only according to the temperature value of the coil pipe of the inner machine of the air conditioner, the running frequency value of the compressor and the like, the hardware requirement is reduced, the space of the air conditioner is saved, and the resources are further saved.

Step 102: determine whether a temperature deviation between a current temperature value and a set temperature value in the current temperature and humidity value is less than or equal to a set value? If yes, go to step 103, otherwise go to step 106.

The current temperature and humidity value includes: a current temperature value and a current humidity value. Wherein the current temperature value is T_dWhen the air conditioner is applied, the temperature is preset, namely, the set temperature value Ts, and the target comfortable humidity Range (RH) corresponding to the set temperature value Ts can be determined₁，RH₂). For example, according to Table 1, the temperature is set to 28, corresponding to the target comfort humidity Range (RH)₁，RH₂) Is (35%, 60%).

The temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity value can be obtained first, that is, the temperature deviation pn is T_d-T_s. In the embodiment of the invention, if the current temperature value is closer to the set temperature value, for example, pn ≦ 3, humidity control can be performed on the air conditioner. If the current temperature value is larger than the set temperature value, e.g. pn>And 3, the air conditioner can be continuously subjected to temperature control. Therefore, a set value can be preset, and the set value can be determined according to the model of the air conditioner and a plurality of times of test data. E.g. set values of 2, 3, 3.5 etc.

Thus, the temperature deviation pn is compared with the set value, and if the temperature deviation is less than or equal to the set value, step 103 is executed, otherwise, step 106 is executed.

Step 103: is it determined whether the current humidity value among the current temperature and humidity values is within the target comfort humidity range corresponding to the set temperature value? If not, go to step 104, if yes, go to step 105.

The temperature deviation is less than or equal to a set value, namely the current temperature value is closer to the set temperature value, and the humidity of the air conditioner can be controlled. Therefore, it is necessary to further determine whether the current humidity value is within the target comfort humidity range corresponding to the set temperature value. Wherein if the current humidity value RH_dIn the target comfort humidity Range (RH)₁，RH₂) Step 105 may be performed. If the current humidity value RH_dOut of target comfort humidityRange (RH)₁，RH₂) Step 104 may be performed.

Step 104: and switching the current operation mode of at least one device of the air conditioner including the fan until the current temperature and humidity value reaches the set requirement.

Due to the current humidity value RH_dOut of the target comfort humidity Range (RH)₁，RH₂) In addition, the operation of at least one device including the fan can be controlled, so that the current temperature and humidity value can meet the set requirement after the air conditioner operates.

The air conditioner is composed of a plurality of devices, including: the air conditioner comprises a compressor, an evaporator, a throttle valve and the like, and in the embodiment of the invention, the air conditioner further comprises: a fan. And switching the current operation mode of at least one device of the air conditioner including the fan until the current temperature and humidity value reaches the set requirement. The method specifically comprises the following steps: controlling a fan of the air conditioner to operate at a first rotating speed for a first time period and then switching to a second rotating speed for operation, wherein the first rotating speed is greater than the second rotating speed; and the controlled fan operates at the second rotating speed for a second time and then is switched to operate at the first rotating speed.

In the embodiment of the invention, the temperature and the humidity of the environment can be adjusted by using an air conditioner in the high-temperature and high-humidity environment generally. Due to the current humidity value RH_dOut of the target comfort humidity Range (RH)₁，RH₂) General RH_d>RH₂Therefore, it is possible to reduce the humidity value of the air-conditioning active region by switching the operation mode of the fan of the air conditioner. When the rotation speed of the fan is relatively high, for example, the fan is operated at the first rotation speed, the cooling capacity of sensible heat of the air conditioner can be changed relatively quickly, and thus the temperature can be lowered. When the rotation speed of the fan is relatively low, for example, the fan is operated at a second rotation speed, and at this time, the temperature is not greatly changed but dehumidification is possible. Therefore, after the fan runs at the first rotating speed for the first time, the fan is switched to run at the second rotating speed for the second time, then the fan is switched to run at the first rotating speed for the first time, and then the fan is continuously switched to run at the second rotating speed for the second time, and the switching is performed in sequence, so that the humidity of an acting area can be changed while the temperature is stably reduced, and finally, the current temperature and humidity value can reach the set requirement through the switching of the working mode of the fan.

Of course, the air conditioner mainly adjusts the temperature and humidity of the action area by the operation of the compressor, so that, preferably, when the fan operates at the first rotating speed, the current operation frequency of the compressor of the air conditioner is switched to the first frequency operation; and when the fan operates at a second rotating speed, switching the current operating frequency of the compressor of the air conditioner to a second frequency for operation, wherein the first frequency is less than the second frequency.

Generally, the first rotation speed is greater than the second rotation speed, and the first rotation speed is greater than a set rotation speed and is set as a high rotation speed, and the second rotation speed is a low rotation speed and is less than the set rotation speed and is set as a low rotation speed. The first frequency is smaller than the second frequency, and similarly, the first frequency can be set to be lower than a set frequency and to be a low frequency, and the second frequency can be greater than the set frequency and to be a high frequency. Thus, when the compressor operates at the first frequency and the fan operates at the first rotational speed, the temperature can be reduced by adjusting the cooling capacity of sensible heat of the air conditioner at the time when the compressor operates at the low frequency and the fan operates at the high speed. When the compressor runs at the second frequency and the fan runs at the second rotating speed, at the moment, the compressor is in high frequency and the fan is in low speed, and dehumidification can be achieved by adjusting the refrigerating capacity of latent heat of the air conditioner. Therefore, the temperature and humidity double control of the air conditioner can be realized by switching the working modes of the fan and the compressor.

Due to the fact that the working modes of the fan, the compressor and the like are required to be switched, double control of the greenhouse of the air conditioner is achieved. The switching timing is very important. In the embodiment of the present invention, there may be a plurality of ways to determine the timing, which may include: and switching the current operation mode of at least one device of the air conditioner including the fan according to a set strategy until the current temperature and humidity value meets the set requirement.

According to the performance signal of the air conditioner and the multiple times of test data, a set first time length and a set second time length can be determined, so that the fan of the air conditioner is controlled to operate at the first rotating speed for the set first time length and then switched to operate at the second rotating speed; and the controlled fan is switched to the first rotating speed to operate after operating at the second rotating speed for a set second time. Or determining a period T and a high wind operation time proportion X%, thereby controlling the fan of the air conditioner to operate at a first rotating speed T X% and then switching to a second rotating speed for operation; and the controlled fan is switched to the first rotating speed to operate after being operated at the second rotating speed T (1-X%), wherein the first rotating speed is greater than the second rotating speed.

Or, in another embodiment of the present invention, according to a humidity parameter of the air conditioner, a current operation mode of at least one device of the air conditioner including the fan is switched until a current temperature and humidity value reaches a set requirement, where the humidity parameter includes: and (3) the humidity deviation between the obtained current humidity value and a preset target humidity, or the coil temperature deviation between the obtained current air conditioner coil temperature value and a preset target coil temperature value. The method specifically comprises the following steps: controlling a fan of the air conditioner to operate at a first rotating speed for a first time period and then switching to operate at a second rotating speed, wherein the first rotating speed is greater than the second rotating speed; and the controlled fan operates at the second rotating speed for a second time and then is switched to operate at the first rotating speed. Wherein the determining process of the second duration comprises: according to the current humidity Parameter (PC)_d) And humidity Parameter (PC) of previous cycle_m) Obtaining a variation value (delta PC) of the humidity parameter; determining a second duration according to equation (1); a first duration (T)₁) To set a time duration, or, a first time duration (T)₁) To set a total duration (T) and a second duration (T)₂) The difference between them.

T₂＝(A×ΔPC+B*PC_d) × C- -formula (1)

Wherein, T₂For the second duration, A, B, C is the modified operation parameter;

in the embodiment of the present invention, the humidity parameter includes: and (3) the humidity deviation between the obtained current humidity value and a preset target humidity, or the coil temperature deviation between the obtained current air conditioner coil temperature value and a preset target coil temperature value. Of course, the humidity parameters are different, corresponding to A, B, C.

Wherein, when the humidity parameter is the humidity deviation, the target comfortable humidity scope that the settlement temperature value corresponds has been confirmed to, thereby, can confirm predetermined target humidity according to target comfortable humidity scope, include: determining an average value of the target comfort humidity range as a preset target humidity valueAlternatively, a preset target humidity value is randomly selected from the target comfort humidity range. For example: set the temperature to 28 °, corresponding to the target comfort humidity Range (RH)₁，RH₂) At (35%, 60%), a preset target humidity value of 48%, or, alternatively, 47.5%, may be determined. Then, the current humidity deviation PC_dNamely the difference value between the current humidity value and the preset target humidity value.

In the last control period, the corresponding humidity deviation, i.e. the humidity parameter PC of the last period_mThus, the variation Δ PC of the humidity deviation becomes PC_d-PC_m. Thus, the second duration may be determined according to equation (1).

For example: PC (personal computer)_dWhen 20, Δ PC is 5, a is 3, B is 5, and C is 1, T can be determined₂115 seconds. At this time, a first time period T may be set₁And 50 seconds, so that the fan of the air conditioner is controlled to operate at the first rotation speed for 50 seconds and then switched to operate at the second rotation speed, and the fan is controlled to operate at the second rotation speed for 115 seconds and then switched to operate at the first rotation speed. Alternatively, the period T of each air conditioning control is 180 seconds, and PC_dWhen Δ PC is 10, and a is 5%, B is 6%, and C is 180, T can be determined₂0.7 x 180 x 126 seconds, and T₁＝T-T₂And 54 seconds, so that the fan of the air conditioner is controlled to operate at the first rotating speed for 54 seconds and then switched to operate at the second rotating speed, and the fan is controlled to operate at the first rotating speed for 126 seconds and then switched to operate at the second rotating speed.

If the humidity parameter is the temperature deviation of the coil, the current temperature value of the air conditioner coil and the preset target temperature value of the coil are also acquired. The target coil temperature value can also correspond to the set temperature value one by one, so that the target coil temperature value can be determined after the set temperature value is set. In this embodiment, the current air conditioner coil temperature value may also be obtained, so that the coil temperature deviation between the current air conditioner coil temperature value and the target coil temperature value may be determined as the current humidity parameter PC_d。

Similarly, the temperature deviation of the coil corresponding to the previous control period, i.e. the humidity parameter PC of the previous period, can be obtained_m. Thus, variation of temperature deviation of the coilValue of

ΔPC＝PC_d-PC_m. Thus, the second duration may be determined according to equation (1). For example: the period T of each air conditioning control is 300 seconds, and the PC_dWhen Δ PC is 10, a is 4%, B is 6%, and C is 300, T can be determined₂0.68 x 300 x 204 seconds, and T₁＝T-T₂And 96 seconds, so that the fan of the air conditioner is controlled to operate at the first rotating speed for 96 seconds and then switched to operate at the second rotating speed, and the fan is controlled to operate at the second rotating speed for 204 seconds and then switched to operate at the first rotating speed. Or, a PC_d10, Δ PC ═ 2, a ═ 4, B ═ 6, and C ═ 1, and thus, T₂68 seconds and a first time period T₁The setting is 30 seconds, so that the fan of the air conditioner is controlled to operate at the first rotation speed for 30 seconds and then switched to operate at the second rotation speed, and the fan is controlled to operate at the second rotation speed for 68 seconds and then switched to operate at the first rotation speed.

Step 105: and maintaining the current operation mode of the fan.

The temperature deviation is less than or equal to a set value, and the current humidity value in the current temperature and humidity values is within a target comfortable humidity range corresponding to the set temperature value, at the moment, the rotating speed of the fan does not need to be switched, and the temperature can slowly drop until the temperature also reaches the set requirement.

Step 106: and controlling a compressor of the air conditioner to operate at a second frequency until the temperature deviation is less than or equal to a set value.

The second frequency is greater than the set frequency, i.e. the compressor operates at high frequency, so that the temperature can be rapidly reduced until the temperature deviation is less than or equal to the set value.

Therefore, in the embodiment, by controlling the operation of at least one device including the fan, after the air conditioner operates, the current temperature and humidity value can meet the set requirement, the temperature and humidity double control of the air conditioner is realized, and the fan operation mode switching can be controlled according to the set time length strategy, so that the temperature and humidity double control efficiency is further improved. The running mode switching of the fan can be controlled according to the humidity deviation or the temperature deviation of the coil, and the temperature and humidity double control precision is further improved.

The following operational flows are grouped into specific embodiments to illustrate the methods provided by the embodiments of the present disclosure.

In the first embodiment, according to the setting policy, the current operation mode of at least one device of the air conditioner including the fan may be switched.

Fig. 2 is a flowchart illustrating an air conditioning control method according to an exemplary embodiment, where as shown in fig. 2, the air conditioning control process includes:

step 201: and acquiring the current temperature and humidity value of the air conditioning action area.

The current temperature value is obtained through the temperature sensor, the temperature value of the coil pipe of the inner machine and the running frequency value of the compressor can also be obtained, and therefore the current humidity value in the current temperature humidity value can be obtained through the following formula.

RH_d＝A₁*T1+B₁*T2+C₁*hz+E

Wherein RH is_dIs the current humidity value, T1 is the current temperature value, T2 is the temperature value of the coil of the internal machine, hz is the running frequency value of the compressor, A₁、B₁、C₁And E are constants determined according to the type of the air conditioner, respectively.

Step 202: determining the current temperature value T in the current temperature and humidity value_dAnd a set temperature value T_sThe temperature deviation pn between.

Here, Pn ═ T_d-T_s。

Step 203: determine if pn ≦ 3 holds? If so, go to step 204, otherwise, go to step 207.

If the set value is 3 and pn ≦ 3, i.e., the temperature offset is less than or equal to the set value, go to step 204, otherwise go to step 207.

Step 204: judgment of RH_d>RH₂Is there any? If so, go to step 205, otherwise, go to step 206.

Generally, for a high-temperature and high-humidity environment, an air conditioner is used to perform temperature and humidity dual control, so that here, it is only necessary to determine whether the current humidity value is greater than the upper limit value of the target comfortable humidity range, if so, step 205 is executed, and if not, step 206 is executed.

Step 205: the method comprises the steps of controlling a fan of the air conditioner to run at a first rotating speed and a compressor at a first frequency for a set first time period, then switching to the fan to run at a second rotating speed and the compressor at a second frequency, and controlling the fan of the air conditioner to run at the first rotating speed and the compressor to run at the first frequency after controlling the fan of the air conditioner to run at the second rotating speed and the compressor at the second frequency for a set second time period.

Here, the first frequency may be a low-gear frequency corresponding to the compressor, i.e., a low frequency, and the second frequency may be a high frequency, and the first rotational speed may also be a high-gear rotational speed corresponding to the fan, i.e., a high wind, and the second rotational speed may be a low wind, depending on the specific performance of the air conditioner.

Step 206: and maintaining the current operation mode of the fan.

Here, RH_d<RH₂And pn ≦ 3, only needing to slowly cool down and keeping the current operation mode of the fan unchanged.

Step 207: and controlling a compressor of the air conditioner to operate at a second frequency.

Obviously, the current temperature value is too high, and the temperature needs to be reduced continuously, so that the compressor operates at high frequency and is cooled rapidly.

Therefore, in the embodiment, by controlling the operation of at least one device including the fan, after the air conditioner operates, the current temperature and humidity value can meet the set requirement, the temperature and humidity double control of the air conditioner is realized, and the fan operation mode switching can be controlled according to the set time length strategy, so that the temperature and humidity double control efficiency is further improved.

And switching the current operation mode of at least one device of the air conditioner including the fan according to the humidity parameter of the air conditioner until the current temperature and humidity value reaches the set requirement, wherein the humidity parameter is the humidity deviation between the acquired current humidity value and the preset target humidity.

Fig. 3 is a flowchart illustrating an air conditioning control method according to a second exemplary embodiment, where as shown in fig. 3, the air conditioning control process includes:

step 301: and acquiring the current temperature and humidity value of the air conditioning action area.

And acquiring a current temperature value through a temperature sensor and acquiring a current humidity value through a humidity sensor.

Step 302: determining the current temperature value T in the current temperature and humidity value_dAnd a set temperature value T_sThe temperature deviation pn between.

Here, Pn ═ T_d-T_s。

Step 303: determine if pn ≦ 4 is true? If so, go to step 304, otherwise, go to step 310.

The set value is 4, pn ≦ 4, i.e., the temperature offset is less than or equal to the set value, go to step 304, otherwise go to step 310.

Step 304: judgment of RH₁<RH_d<RH₂Is there any? If not, go to step 305, and if so, go to step 309.

Step 305: determining the humidity deviation between the current humidity value and the preset target humidity value as the current humidity parameter PC_d。

Here, it may be possible to follow a target comfort humidity Range (RH)₁，RH₂) Determines a preset target humidity value, and determines a humidity deviation between the current humidity value and the preset target humidity value as a current humidity parameter PC_d。

Step 306: acquiring the humidity deviation PC corresponding to the last control period_mAnd determines a variation value Δ PC of the humidity deviation.

In the last control period, the corresponding humidity deviation, i.e. the humidity parameter PC of the last period_mThus, the variation Δ PC of the humidity deviation becomes PC_d-PC_m。

Step 307: determining the second duration T according to equation (1)₂And determining a first time period T₁Is a fixed duration t.

For example: PC (personal computer)_dWhen T is determined to be 15, Δ PC is 5, a is 3, B is 6, and C is 1₂105 seconds. At this time, a first time period T may be set₁Was 45 seconds.

Step 308: controlling a fan of an air conditioner to operate at a first speed and a compressor to operate at a first frequency for a first period of time T₁After cuttingThe fan is switched to operate at a second rotating speed and the compressor operates at a second frequency, and the fan of the air conditioner is controlled to operate at the second rotating speed and the compressor operates at the second frequency for a second time period T₂And then switching to the fan to operate at the first speed and the compressor to operate at the first frequency.

Step 309: and maintaining the current operation mode of the fan.

Here, RH₁<RH_d<RH₂And pn ≦ 4, only needing to slowly cool down and keeping the current operation mode of the fan unchanged.

Step 310: and controlling a compressor of the air conditioner to operate at a second frequency.

Therefore, in the embodiment, by controlling the operation of at least one device including the fan, after the air conditioner operates, the current temperature and humidity value can meet the set requirement, the temperature and humidity double control of the air conditioner is realized, the fan operation mode switching can be controlled according to the humidity deviation, and the precision of the temperature and humidity double control is further improved.

And switching the current operation mode of at least one device of the air conditioner including the fan according to the humidity parameter of the air conditioner until the current temperature and humidity value reaches the set requirement, wherein the humidity parameter is the coil temperature deviation between the acquired current air conditioner coil temperature value and the preset target coil temperature value.

Fig. 4 is a flowchart illustrating an air conditioning control method according to a third exemplary embodiment, where as shown in fig. 4, the process of air conditioning control includes:

step 401: and acquiring the current temperature and humidity value of the air conditioning action area.

The current temperature value is obtained through a temperature sensor, and the current humidity value is obtained through a humidity sensor or other modes.

Step 402: determining the current temperature value T in the current temperature and humidity value_dAnd a set temperature value T_sThe temperature deviation pn between.

Here, Pn ═ T_d-T_s。

Step 403: determine if pn ≦ 3 holds? If so, go to step 404, otherwise, go to step 410.

If the set value is 3, pn ≦ 3, i.e., the temperature offset is less than or equal to the set value, go to step 404, otherwise go to step 410.

Step 404: judgment of RH₁<RH_d<RH₂Is there any? If not, go to step 405, and if yes, go to step 409.

Step 405: determining the temperature deviation of the coil between the current temperature value of the air conditioner coil and the preset target temperature value of the coil as the current humidity parameter PC_d。

Here, the target coil temperature value is determined according to the set temperature, and the current air conditioner coil temperature value may be acquired, so that a coil temperature deviation between the current air conditioner coil temperature value and the preset target coil temperature value may be determined as the current humidity parameter PC_d。

Step 406: acquiring the temperature deviation PC of the coil corresponding to the previous control period_mAnd determining the variation value delta PC of the temperature deviation of the coil.

In the last control period, the corresponding temperature deviation of the coil, namely the humidity parameter PC of the last period_mThus, the variation Δ PC of the coil temperature deviation becomes PC_d-PC_m。

Step 407: determining the second duration T according to equation (1)₂And a first duration T₁。

For example: PC (personal computer)_dWhen Δ PC is 10, a is 4%, B is 6%, and C is 300, T can be determined₂0.68 x 300 x 204 seconds, and T₁＝T-T₂96 seconds.

Step 408: controlling a fan of an air conditioner to operate at a first speed and a compressor to operate at a first frequency for a first period of time T₁Then the fan is switched to operate at a second rotating speed and the compressor operates at a second frequency, and the fan of the air conditioner is controlled to operate at the second rotating speed and the compressor operates at the second frequency for a second time period T₂And then switching to the fan to operate at the first speed and the compressor to operate at the first frequency.

Step 409: and maintaining the current operation mode of the fan.

Here, RH₁<RH_d<RH₂And pn ≦ 3, only needing to slowly cool down and keeping the current operation mode of the fan unchanged.

Step 410: and controlling a compressor of the air conditioner to operate at a second frequency.

Therefore, in the embodiment, by controlling the operation of at least one device including the fan, after the air conditioner operates, the current temperature and humidity value can meet the set requirement, the temperature and humidity double control of the air conditioner is realized, the fan operation mode switching can be controlled according to the temperature deviation of the coil pipe, and the precision of the temperature and humidity double control is further improved.

The following are embodiments of the disclosed apparatus that may be used to perform embodiments of the disclosed methods.

According to the air conditioning control process, an air conditioning control device can be constructed.

Fig. 5 is a block diagram illustrating an air conditioning control apparatus according to an exemplary embodiment. As shown in fig. 5, the apparatus includes: an acquisition unit 100 and a first control unit 200, wherein,

the acquiring unit 100 is configured to acquire a current temperature and humidity value of an air conditioning action area.

The first control unit 200 is configured to, if a temperature deviation between a current temperature value and a set temperature value in the current temperature and humidity value is less than or equal to a set value, and the current humidity value in the current temperature and humidity value is not within a target comfortable humidity range corresponding to the set temperature value, switch a current operation mode of at least one device of the air conditioner including the fan according to a set policy until the current temperature and humidity value meets a set requirement.

In an embodiment of the present invention, the first control unit 200 is further configured to control the fan of the air conditioner to operate at a first rotation speed for a first set time period and then switch to a second rotation speed, where the first rotation speed is greater than the second rotation speed; and the controlled fan is switched to the first rotating speed to operate after operating at the second rotating speed for a set second time.

In an embodiment of the present invention, the first control unit 200 is further configured to switch a current operation mode of at least one device of the air conditioner including the fan according to a humidity parameter of the air conditioner until a current temperature and humidity value reaches a set requirement, where the humidity parameter includes: and (3) the humidity deviation between the obtained current humidity value and a preset target humidity, or the coil temperature deviation between the obtained current air conditioner coil temperature value and a preset target coil temperature value.

In an embodiment of the present invention, the first control unit 200 is further configured to control a fan of the air conditioner to operate at a first rotation speed for a first duration and then switch to a second rotation speed, where the first rotation speed is greater than the second rotation speed; the controlled fan runs at a second rotating speed for a second time and then is switched to run at the first rotating speed; wherein the determining process of the second duration comprises: according to the current humidity Parameter (PC)_d) And humidity Parameter (PC) of previous cycle_m) Obtaining a variation value (delta PC) of the humidity parameter; determining a second duration according to equation (1); a first duration (T)₁) To set a time duration, or, a first time duration (T)₁) To set a total duration (T) and a second duration (T)₂) The difference between them;

T₂＝(A×ΔPC+B*PC_d) × C- -formula (1)

Wherein, T₂For the second duration A, B, C is a modified operation parameter.

In an embodiment of the present invention, the first control unit 200 is further configured to switch a current operation frequency of a compressor of the air conditioner to a first frequency operation when the blower operates at the first rotation speed; and when the fan operates at a second rotating speed, switching the current operating frequency of the compressor of the air conditioner to a second frequency for operation, wherein the first frequency is less than the second frequency.

In an embodiment of the present invention, the method further includes: and the second control unit is used for controlling the compressor of the air conditioner to operate at a second frequency if the temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity value is greater than the set value until the temperature deviation is less than or equal to the set value, and the second frequency is greater than the set frequency.

In an embodiment of the present invention, the method further includes: and the third control unit is used for maintaining the current operation mode of the fan if the temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity values is less than or equal to the set value and the current humidity value in the current temperature and humidity values is in the target comfortable humidity range corresponding to the set temperature value.

The following illustrates an apparatus provided by an embodiment of the present disclosure.

Fig. 6 is a block diagram illustrating an air conditioning control apparatus according to an exemplary embodiment. As shown in fig. 6, the apparatus includes: an acquisition unit 100, a first control unit 200, a second control unit 300 and a third control unit 400.

The temperature T can be predetermined and set by the device_sCorresponding target comfort humidity Range (RH)₁，RH₂) And a corresponding preset target coil temperature value.

The acquisition unit 100 acquires the current temperature value T_dAnd the current humidity value RH_d. And, the apparatus determines a current temperature value T among the current temperature and humidity values_dAnd a set temperature value T_sAfter temperature deviation of pn, when pn is<2, and RH_dOut of the target comfort humidity Range (RH)₁，RH₂) When the temperature and humidity value reaches the set requirement, the first control unit 200 may switch the current operation mode of at least one device of the air conditioner including the fan until the current temperature and humidity value reaches the set requirement.

The first control unit 200 controls the fan of the air conditioner to operate at a first rotating speed for a set first time period and then switches to operate at a second rotating speed, wherein the first rotating speed is greater than the second rotating speed; the controlled fan operates at a second rotating speed for a set second time and then is switched to operate at the first rotating speed, and the current operating frequency of the compressor of the air conditioner is switched to operate at the first frequency; and when the fan operates at a second rotating speed, switching the current operating frequency of the compressor of the air conditioner to a second frequency for operation, wherein the first frequency is less than the second frequency.

Alternatively, the first control unit 200 switches the current operation mode of at least one device of the air conditioner including the fan according to a humidity parameter of the air conditioner, and the humidity parameter includes: and (3) the humidity deviation between the obtained current humidity value and a preset target humidity, or the coil temperature deviation between the obtained current air conditioner coil temperature value and a preset target coil temperature value. Specifically, the first control unit 200 may control a fan of the air conditioner to operate at a first rotation speed for a first duration and then switch to operate at a second rotation speed, wherein the first rotation speed is greater than the second rotation speed; the controlled fan runs at a second rotating speed for a second time and then is switched to run at the first rotating speed; wherein the determining process of the second duration comprises: according to the current humidity Parameter (PC)_d) And humidity Parameter (PC) of previous cycle_m) Obtaining a variation value (delta PC) of the humidity parameter; determining a second duration according to equation (1); a first duration (T)₁) To set a time duration, or, a first time duration (T)₁) To set a total duration (T) and a second duration (T)₂) The difference between them.

T₂＝(A×ΔPC+B*PC_d) × C- -formula (1)

Wherein, T₂For the second duration A, B, C is a modified operation parameter.

Of course, the control of the compressor can also be switched according to the fan.

And when pn >2, the second control unit 300 may control the compressor of the air conditioner to operate at a second frequency, which is greater than the set frequency, until the temperature deviation is less than or equal to the set value.

When pn is<2, and RH_dComfort at the targetHumidity Range (RH)₁，RH₂) When so, the third control unit 400 may maintain the current operation mode of the blower.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It is to be understood that the present invention is not limited to the procedures and structures described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. A method of air conditioning control, comprising:

if the temperature deviation between the current temperature value and the set temperature value in the current temperature and humidity values is less than or equal to a set value and the current humidity value in the current temperature and humidity values is not in the target comfortable humidity range corresponding to the set temperature value, switching the current operation mode of at least one device of the air conditioner including a fan according to a set strategy until the current temperature and humidity value reaches the set requirement,

wherein, according to the set strategy, switching the current operation mode of at least one device of the air conditioner, including a fan, comprises:

controlling the fan to operate at a second rotating speed for a set second time period and then switching to the first rotating speed for operation,

wherein the determining process of the second duration comprises: root of herbaceous plantAccording to the current humidity parameter PC_dAnd the humidity parameter PC of the previous cycle_mObtaining a variation value delta PC of the humidity parameter; determining a second duration according to equation (1); a first duration T₁To set a time duration, or, a first time duration T₁To set a total time length T and a second time length T₂The difference between the values of the two signals,

T₂＝(A×ΔPC+B*PC_d) × C- -formula (1)

Wherein, T₂For the second duration A, B, C is a modified operation parameter.

2. The method of claim 1, wherein said switching a current operating mode of at least one device of the air conditioner including a fan further comprises:

3. The method of claim 1, wherein the method further comprises:

4. The method of claim 1, wherein the method further comprises:

5. An apparatus for controlling an air conditioner, comprising:

a first control unit, configured to switch a current operation mode of at least one device of the air conditioner including a fan according to a set policy if a temperature deviation between a current temperature value and a set temperature value in the current temperature and humidity values is less than or equal to a set value and the current humidity value in the current temperature and humidity values is not within a target comfortable humidity range corresponding to the set temperature value until the current temperature and humidity value meets a set requirement,

the first control unit is further configured to control a fan of the air conditioner to operate at a first rotation speed for a set first duration and then switch to a second rotation speed, wherein the first rotation speed is greater than the second rotation speed; controlling the fan to operate at a second rotating speed for a set second time period and then switching to the first rotating speed for operation,

wherein the determining process of the second duration comprises: according to the current humidity parameter PC_dAnd the humidity parameter PC of the previous cycle_mObtaining a variation value delta PC of the humidity parameter; determining a second duration according to equation (1); a first duration T₁To set a time duration, or, a first time duration T₁To set a total time length T and a second time length T₂The difference between the values of the two signals,

T₂＝(A×ΔPC+B*PC_d) × C- -formula (1)

Wherein, T₂For the second duration A, B, C is a modified operation parameter.

6. The apparatus of claim 5,

the first control unit is further used for switching the current running frequency of the compressor of the air conditioner to a first frequency to run when the fan runs at a first rotating speed; and when the fan runs at a second rotating speed, switching the current running frequency of the compressor of the air conditioner to a second frequency for running, wherein the first frequency is less than the second frequency.

7. The apparatus of claim 5, further comprising:

8. The apparatus of claim 6, further comprising: