CN114623563B

CN114623563B - Air conditioner control method and device, air conditioner and storage medium

Info

Publication number: CN114623563B
Application number: CN202210143001.6A
Authority: CN
Inventors: 李倍宇; 廖敏; 连彩云; 翟振坤; 熊绍森; 梁之琦
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2023-04-28
Anticipated expiration: 2042-02-16
Also published as: CN114623563A

Abstract

The invention discloses a control method and device of an air conditioner, the air conditioner and a storage medium, wherein the method comprises the following steps: acquiring building parameters of a room where the air conditioner is located; acquiring current weather parameters and predicted weather parameters of an area where the room is located; determining a target air conditioning load of the air conditioner in the room according to at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter and the predicted weather parameter; and controlling the operation of the air conditioner according to the current air conditioner load of the air conditioner and the target air conditioner load of the air conditioner. According to the scheme, the cold and hot load provided by the air conditioner for the room is determined by combining the building load change condition of the room, so that the matching degree of the cold and hot load of the air conditioner and the building load can be improved, the thermal comfort experience of a user is further improved, and the energy conservation is facilitated.

Description

Air conditioner control method and device, air conditioner and storage medium

Technical Field

The invention belongs to the technical field of air conditioners, and particularly relates to a control method and device of an air conditioner, the air conditioner and a storage medium.

Background

In some schemes of air conditioner control methods, the temperature of the air supply and return air is monitored to be used as a judging condition for controlling the operation of the air conditioner. That is, the air conditioner calculates the cold and hot load provided by the air conditioner for the room by monitoring the air supply temperature, and judges whether the room reaches the set temperature state by monitoring the return air temperature, thereby forming a closed loop control condition, which is a start-stop control method commonly adopted by the air conditioner. The air conditioner operation control method for monitoring the air supply and return temperature to replace the indoor environment temperature can reflect the indoor transient environment condition to a certain extent, and belongs to a transient control method. The transient control method is a control method for the air conditioner by adopting a control method for monitoring the air supply and return temperature, only considers the environmental state at a certain moment in the room, and is a control and adjustment method based on the environmental state at a single moment in the room.

However, since the outdoor environment is a dynamically changing environment, the building load is also a variable parameter from time to time under the influence of the outdoor environment. Therefore, based on the transient control air conditioner operation mode, the cold and hot loads of the air conditioner are not matched with the building loads, so that the indoor environment of the air conditioner is supercooled or overheated, the thermal comfort experience of a user is affected, and in addition, the problems of energy waste and the like are also caused.

The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.

Disclosure of Invention

The invention aims to provide a control method, a device, an air conditioner and a storage medium of an air conditioner, which are used for solving the problems that the cold and hot load of the air conditioner is not matched with the building load, so that the indoor environment of the air conditioner is supercooled or overheated, the thermal comfort experience of a user is influenced, and the energy waste is caused, and the purposes that the building load change condition of the room is predicted according to the predicted weather parameters, the cold and hot load provided by the air conditioner for the room is determined by combining the building load change condition of the room are achieved, the matching degree of the cold and hot load of the air conditioner and the building load can be improved, the thermal comfort experience of the user is further improved, and the energy saving effect is also facilitated.

The invention provides a control method of an air conditioner, comprising the following steps: acquiring building parameters of a room where the air conditioner is located; acquiring current weather parameters and predicted weather parameters of an area where the room is located; the current meteorological parameters are actual meteorological parameters collected currently; the predicted meteorological parameters are predicted meteorological parameters after a future preset time length from the moment of collecting the current meteorological parameters; determining a target air conditioning load of the air conditioner in the room according to at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter and the predicted weather parameter; and controlling the operation of the air conditioner according to the current air conditioner load of the air conditioner and the target air conditioner load of the air conditioner.

In some embodiments, acquiring the building parameters of the room in which the air conditioner is located includes: acquiring at least one of the building type, the room area, the room height and the room enclosure structure type of a room where the air conditioner is located as the building parameter of the room where the air conditioner is located; wherein, under the condition that the building parameter is a building type, the building type is a temperature type divided according to the temperature of the area where the room where the air conditioner is located; in the case where the building parameter is a room area, the room area is an actual area of the room; in the case where the building parameter is a room height, the room height is an actual height of the room; under the condition that the building parameter is the window wall ratio of the outer wall of the room, the window wall ratio of the outer wall of the room is the ratio of the total area of the outer window of the room to the total area of the outer wall of the room; and in the case that the building parameter is a room enclosure type, the room enclosure type is the type of the actual enclosure of the room.

In some embodiments, obtaining the current weather parameters and the predicted weather parameters of the area in which the room is located includes: the method comprises the steps of utilizing a communication module to collect current weather parameters of an area where a room is located according to a set sampling period, and collecting predicted weather parameters after future preset time length from the moment of collecting the current weather parameters of the area where the room is located; wherein the weather parameters of the current weather parameters and the predicted weather parameters include: outdoor temperature.

In some embodiments, determining a target air conditioning load of the air conditioner in the room based on at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter, and the predicted weather parameter, comprises: in the case that the air conditioner performs a preset real-time operation mode: determining the room enclosure heat transfer quantity of the room and the external window heat transfer quantity of the room according to the difference value of the current indoor temperature and the current meteorological parameter and the building parameter, and determining the sum of the room enclosure heat transfer quantity and the external window heat transfer quantity as the building load of the room; determining an indoor environmental load of the room according to an absolute value of a difference value between the current indoor temperature and the target indoor temperature; determining a building load of the room and an indoor environment load of the room as a target air conditioning load of the air conditioner in the room; or, in case that the air conditioner performs a preset prediction operation mode: determining a room enclosure heat transfer amount of the room and an external window heat transfer amount of the room according to the difference value between the target indoor temperature and the predicted meteorological parameter and the building parameter, and determining the sum of the room enclosure heat transfer amount and the external window heat transfer amount as the building load of the room; and determining the building load of the room as a target air conditioning load of the air conditioner in the room.

In some embodiments, controlling operation of the air conditioner according to a current air conditioner load of the air conditioner and a target air conditioner load of the air conditioner includes: if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is larger than or equal to a first set load under the condition that the air conditioner executes a preset real-time operation mode, the air conditioner is controlled to continue to operate according to the current operation mode; if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is smaller than a first set load, controlling the air conditioner to continuously run for a set time according to the set minimum power, and controlling the air conditioner to stop; or if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is greater than or equal to a second set load under the condition that the air conditioner executes a preset prediction operation mode, controlling the air conditioner to start and execute a preset operation mode; and if the difference value between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is smaller than a second set load, controlling the air conditioner to continue standby.

In accordance with another aspect of the present invention, there is provided a control apparatus for an air conditioner, including: an acquisition unit configured to acquire building parameters of a room in which the air conditioner is located; the acquisition unit is further configured to acquire current weather parameters and predicted weather parameters of the area where the room is located; the current meteorological parameters are actual meteorological parameters collected currently; the predicted meteorological parameters are predicted meteorological parameters after a future preset time length from the moment of collecting the current meteorological parameters; a control unit configured to determine a target air conditioning load of the air conditioner in the room according to at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter, and the predicted weather parameter; the control unit is further configured to control the operation of the air conditioner according to the current air conditioner load of the air conditioner and the target air conditioner load of the air conditioner.

In some embodiments, the acquiring unit acquires a building parameter of a room in which the air conditioner is located, including: acquiring at least one of the building type, the room area, the room height and the room enclosure structure type of a room where the air conditioner is located as the building parameter of the room where the air conditioner is located; wherein, under the condition that the building parameter is a building type, the building type is a temperature type divided according to the temperature of the area where the room where the air conditioner is located; in the case where the building parameter is a room area, the room area is an actual area of the room; in the case where the building parameter is a room height, the room height is an actual height of the room; under the condition that the building parameter is the window wall ratio of the outer wall of the room, the window wall ratio of the outer wall of the room is the ratio of the total area of the outer window of the room to the total area of the outer wall of the room; and in the case that the building parameter is a room enclosure type, the room enclosure type is the type of the actual enclosure of the room.

In some embodiments, the obtaining unit obtains the current weather parameter and the predicted weather parameter of the area where the room is located, including: the method comprises the steps of utilizing a communication module to collect current weather parameters of an area where a room is located according to a set sampling period, and collecting predicted weather parameters after future preset time length from the moment of collecting the current weather parameters of the area where the room is located; wherein the weather parameters of the current weather parameters and the predicted weather parameters include: outdoor temperature.

In some embodiments, the control unit determines a target air conditioning load of the air conditioner in the room according to at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter, and the predicted weather parameter, comprising: in the case that the air conditioner performs a preset real-time operation mode: determining the room enclosure heat transfer quantity of the room and the external window heat transfer quantity of the room according to the difference value of the current indoor temperature and the current meteorological parameter and the building parameter, and determining the sum of the room enclosure heat transfer quantity and the external window heat transfer quantity as the building load of the room; determining an indoor environmental load of the room according to an absolute value of a difference value between the current indoor temperature and the target indoor temperature; determining a building load of the room and an indoor environment load of the room as a target air conditioning load of the air conditioner in the room; or, in case that the air conditioner performs a preset prediction operation mode: determining a room enclosure heat transfer amount of the room and an external window heat transfer amount of the room according to the difference value between the target indoor temperature and the predicted meteorological parameter and the building parameter, and determining the sum of the room enclosure heat transfer amount and the external window heat transfer amount as the building load of the room; and determining the building load of the room as a target air conditioning load of the air conditioner in the room.

In some embodiments, the control unit controls the operation of the air conditioner according to a current air conditioning load of the air conditioner and a target air conditioning load of the air conditioner, including: if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is larger than or equal to a first set load under the condition that the air conditioner executes a preset real-time operation mode, the air conditioner is controlled to continue to operate according to the current operation mode; if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is smaller than a first set load, controlling the air conditioner to continuously run for a set time according to the set minimum power, and controlling the air conditioner to stop; or if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is greater than or equal to a second set load under the condition that the air conditioner executes a preset prediction operation mode, controlling the air conditioner to start and execute a preset operation mode; and if the difference value between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is smaller than a second set load, controlling the air conditioner to continue standby.

In accordance with another aspect of the present invention, there is provided an air conditioner including: the control device of the air conditioner.

In accordance with the above method, a further aspect of the present invention provides a storage medium, where the storage medium includes a stored program, and when the program runs, the device where the storage medium is controlled to execute the control method of the air conditioner described above.

According to the scheme, the current weather parameters and the predicted weather parameters of the outdoor environment where the room is located are obtained, the building load change condition of the room is determined according to the current weather parameters and the predicted weather parameters, and then the cold and hot loads provided by the air conditioner for the room are determined by combining the building load change condition of the room, so that the matching degree of the cold and hot loads of the air conditioner and the building load can be improved, the thermal comfort experience of a user is further improved, and energy conservation is facilitated.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

The technical scheme of the invention is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a flow chart of an embodiment of a control method of an air conditioner according to the present invention;

FIG. 2 is a flow chart of an embodiment of the method of determining a target air conditioning load in a real-time mode of operation according to the present invention;

FIG. 3 is a flow chart of an embodiment of determining a target air conditioning load in a pre-stored operating mode in the method of the present invention;

FIG. 4 is a schematic structural view of an embodiment of a control device of an air conditioner according to the present invention;

FIG. 5 is a flow chart of an embodiment of a control method of an air conditioner according to the present invention;

FIG. 6 is a flow chart of an embodiment of a method for storing and invoking meteorological data according to the present invention;

FIG. 7 is a flow chart of an embodiment of an air conditioner performing a real-time mode start-stop system according to the method of the present invention;

FIG. 8 is a flow chart of an embodiment of an air conditioner performing prediction mode start-stop system according to the method of the present invention.

In the embodiment of the present invention, reference numerals are as follows, in combination with the accompanying drawings:

102-an acquisition unit; 104-a control unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In consideration of the transient control method, in order to meet the requirement that the interior space of the room reaches the preset environmental state, the inherent attribute of the control mode is to consider only the cold and hot load of the air part in the room, and not consider the heat accumulation of the building body and the heat conduction and heat transfer of the exterior space of the building. Therefore, there is a problem in that the cooling and heating load provided by the air conditioner is not matched with the building load, resulting in supercooling or overheating of the indoor air conditioning environment.

Therefore, the air conditioner control mode based on transient control cannot be accurately matched with the building dynamic load, so that the problems of low control accuracy and energy waste are caused. The control method of the air conditioner may include: step S110 to step S140.

At step S110, building parameters of a room in which the air conditioner is located are acquired. And building parameters of the room where the air conditioner is located, such as user building information, user building thermal information and the like of the room where the air conditioner is located.

In some embodiments, the step S110 of obtaining the building parameters of the room where the air conditioner is located includes: and acquiring at least one of the building type, the room area, the room height and the room enclosure structure type of the room where the air conditioner is located as the building parameter of the room where the air conditioner is located.

Fig. 5 is a flowchart illustrating an embodiment of a control method of an air conditioner according to the present invention. As shown in fig. 5, the control method of the air conditioner provided by the scheme of the invention includes:

step 1, through collecting user building information, each building parameter information is input into a system database, and user building thermal information can be accurately set. Alternatively, the relevant parameters may be input and set as the user building information by collecting the user room building thermal information.

The building thermal information mainly refers to thermal physical parameters of a building, and belongs to inherent physical parameters of a building body, such as an outer wall heat transfer coefficient, an outer window heat transfer coefficient, a roof heat transfer coefficient, temperature difference correction coefficients corresponding to different building envelope structures and the like. Specifically, the obtained user building thermal basic parameters can be used according to different building characteristics of the collected user.

Specifically, first, user building information is input to a system background database according to a room in which a user air conditioner is installed. The user building information of the room where the air conditioner is located specifically comprises: building type, room area, room height, and room exterior wall to window wall ratio, etc.

And under the condition that the building parameters are building types, the building types are temperature types divided according to the temperature of the area where the room where the air conditioner is located.

The type of construction will be described in detail below.

Building type can be according to the regional temperature in building place, sets up and falls into: five types of severe cold A/B region, severe cold C region, cold region, summer hot winter cold region and summer hot winter warm region.

The building thermal partition is characterized in that according to the requirements of climate, humanity, building ventilation and heat preservation and the like of different areas of China in public building energy-saving design standard +GB50189-2015, china is divided into severe cold A/B area, severe cold C area, cold area, summer hot winter area and summer hot winter area. The general division standard in the field of the partitioned data construction thermophysics in table 1 is a division standard specified by national standards, wherein the severe cold a/B region and the severe cold C region are two-level subdivisions for the severe cold region, such as harbine belonging to the severe cold a region, gilin belonging to the severe cold B region, inner mongolia belonging to the severe cold C region, and so on.

According to the building type of a user, referring to the relevant regulations of public building energy-saving design standard +GB50189-2015, a background database is provided with corresponding thermal coefficients of an outer wall and a roof, and the method comprises the following steps:

for the set value of the heat transfer coefficient of the outer protective structure (including the non-transparent curtain wall), the scheme of the invention considers that even in the same building type, the difference exists among different users, so that a margin should be left in the design, and the heat transfer coefficient of the outer protective structure of different building types takes the following table 1:

Table 1: heat transfer coefficient K of outer enclosure structure _{Outer wall} Or K _{Roof surface} Is of the value of (2)

In the case where the building parameter is a room area, the room area is an actual area of the room. That is, the room area S is set according to the actual situation of the user.

In case the building parameter is a room height, the room height is the actual height of the room. That is, the room height H is set according to the actual situation of the user.

And under the condition that the building parameter is the room outer wall window wall ratio, the room outer wall window wall ratio is the ratio of the total area of the outer windows of the room to the total area of the outer walls of the room.

The window wall ratio θ of the outer wall of the room will be specifically described.

The window wall ratio theta of the outer wall of the room is set according to the actual situation of a user, and the value range of the window wall ratio theta of the outer wall of the room is 0, 1.

The method for calculating the window wall ratio theta of the outer wall of the room comprises the following steps:

for the set value of the heat transfer coefficient of the external window (comprising a light-transmitting curtain wall), referring to the relevant regulations of public building energy-saving design standard +GB50189-2015, after the designed surplus is considered, the scheme of the invention takes the values of the heat transfer coefficients of the external windows of different building types as follows in Table 2:

table 2: external window heat transfer coefficient K corresponding to different window wall ratios _{External window} Is of the value of (2)

The calculation method of heat exchange through the outer window comprises the following steps:

in the formula (2), x represents the number of outer windows (x=0, 1,2,3, …). F is the calculated area of the x-th outer window.

For the heat transfer coefficient of the x-th outer window, refer to table 2.

And in the case that the building parameter is a room enclosure type, the room enclosure type is the type of the actual enclosure of the room. That is, the type of the room enclosure is set according to the actual situation of the user.

According to the scheme of the invention, with reference to relevant regulations and design standards of industrial building heating ventilation and air conditioning design specifications (GB-50019-2015), the values of temperature difference correction coefficients alpha of different building envelope types are shown in the following table 3:

table 3: the value of the temperature difference correction coefficient alpha corresponding to different building envelope structures

The value of the temperature difference correction coefficient alpha mentioned in the section is a value corresponding to the specific type of the building envelope of the user, and the specific description is given to the corresponding value in the table 3. If the user is in the third floor of a 3-floor building, the type code of the enclosure structure of the outer wall, the roof and the ground of the user is 1, and the alpha value of the enclosure structure is 1.00; other options should be selected according to the building specific spatial characteristics of the user, and will not be described here again.

According to the building envelope characteristics of the user building, selecting a corresponding building envelope type code, and automatically selecting a temperature difference correction coefficient alpha of the corresponding building envelope type by the system to substitute the temperature difference correction coefficient alpha into the following formula to calculate the heat transfer quantity of the building envelope:

in the formula (3), y represents the number of the enclosure structures. Alpha is the temperature difference correction coefficient of the type of the enclosure, refer to table 3.F (F) ^y Is the calculated area of the y-th enclosure.

For the heat transfer coefficient of the y-th enclosure, refer to table 1.

The parameters are input into a system background database according to the actual situation of the user and used as building information parameters of the user.

At step S120, current weather parameters and predicted weather parameters of the area where the room is located are obtained. The current weather parameter is the actual weather parameter which is currently collected. The predicted weather parameter is a predicted weather parameter after a future preset time period from the moment of collecting the current weather parameter.

In some embodiments, step S120 of obtaining the current weather parameter and the predicted weather parameter of the area where the room is located includes: and collecting the current meteorological parameters of the area where the room is located according to a set sampling period by utilizing a communication module, such as a WIFI networking module, and collecting the predicted meteorological parameters after a future preset time length from the moment of collecting the current meteorological parameters of the area where the room is located.

Wherein the weather parameters of the current weather parameters and the predicted weather parameters include: outdoor temperature. That is, the current weather parameters include: current outdoor temperature. The predicted meteorological parameters include: the outdoor temperature is predicted.

As shown in fig. 5, the control method of the air conditioner provided by the solution of the present invention further includes:

and 2, acquiring real-time outdoor weather parameters and predicted outdoor parameters of the user location through a WIFI networking module, and providing calculation parameters for calculating the real-time building load and the predicted building load of the user.

FIG. 6 is a flow chart of an embodiment of a method for storing and invoking meteorological data according to the present invention. As shown in fig. 6, the weather data storing-calling method includes:

step 21, outdoor side meteorological data are acquired, and real-time outdoor temperature meteorological parameters of a user location and outdoor temperature meteorological parameters of 12 hours from the moment can be acquired through the WIFI module networking. The data is stored in the outdoor weather module, and the data related processing method comprises the following steps:

step 211, the database background takes the real-time weather parameter at the moment as the calculation parameter of the current air conditioner operation parameter, wherein the specific parameter is the outdoor temperature T _w 。

Step 212, regarding outdoor temperature weather parameters 12 hours after the moment, the specific parameters are outdoor temperature

(η is 1,2,3, …,12, representing the corresponding parameters from this moment to 12h afterwards).

Step 22, the data is temporarily stored in a background database and used as a calculation parameter for the dynamic operation self-adjustment of the system prediction air conditioner. And the system is re-networked every 30min to acquire new meteorological parameters and is used for refreshing the data temporarily stored last time, and the system updates the dynamic operation self-adjusting scheme of the air conditioner according to the refreshed data.

At step S130, a target air conditioning load of the air conditioner in the room is determined according to at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter, and the predicted weather parameter.

In some embodiments, determining the target air conditioning load of the air conditioner in the room in step S130 according to at least one of the target indoor temperature of the air conditioner, the current indoor temperature of the air conditioner, the building parameter, the current weather parameter, and the predicted weather parameter includes any one of the following determination cases:

First determination case: and determining the target air conditioner load in the real-time operation mode.

The following is a schematic flow chart of an embodiment of determining a target air conditioning load in a real-time operation mode in the method of the present invention in connection with fig. 2, which further describes a specific process of determining a target air conditioning load in a real-time operation mode, including: step S210 to step S230.

In the case that the air conditioner performs a preset real-time operation mode:

step S210, determining the heat transfer quantity of the room enclosure of the room and the heat transfer quantity of the outer window of the room according to the difference value between the current indoor temperature and the current meteorological parameter and the building parameter, and determining the sum of the heat transfer quantity of the room enclosure and the heat transfer quantity of the outer window as the building load of the room.

Step S220, determining an indoor environmental load of the room according to an absolute value of a difference between the current indoor temperature and the target indoor temperature.

And step S230, determining the building load of the room and the indoor environment load of the room as target air conditioning load of the air conditioner in the room.

Second determination case: and determining the target air conditioner load in a pre-stored operation mode.

The following is a schematic flow chart of an embodiment of determining a target air conditioning load in a pre-stored operation mode in the method of the present invention in connection with fig. 3, which further describes a specific process of determining a target air conditioning load in a pre-stored operation mode, including: step S310 to step S320.

In the case that the air conditioner performs a preset prediction operation mode:

and step S310, determining the heat transfer quantity of the room enclosure of the room and the heat transfer quantity of the outer window of the room according to the difference value of the target indoor temperature and the predicted meteorological parameter and the building parameter, and determining the sum of the heat transfer quantity of the room enclosure and the heat transfer quantity of the outer window as the building load of the room.

And step S320, determining the building load of the room as the target air conditioning load of the air conditioner in the room.

and 3, calculating real-time building load and real-time indoor environment load by the system according to the indoor target temperature value set by the user, obtaining real-time air conditioning load, and providing a control instruction for an air conditioning control system.

Building thermal state moduleIndoor heat environment parameters, in particular indoor air temperature T, are collected through an air conditioner indoor unit temperature monitoring module _n 。

Building load matching, and the system calculates building load Q under the state based on the real-time indoor thermal state parameter, the user building thermal parameter and the real-time outdoor weather parameter _{Building load} . Building load matching module, mainly for calculating cold/hot load Q of building _{Building load} The specific calculation is as follows:

step 31, in the case that the air conditioner executes the real-time operation mode:

for real-time building load Q _{Building load} ：

Equation (4) proposes that the heat conduction quantity Q of the building envelope is taken into consideration when the building load is taken into consideration _{Enclosure structure} And heat conduction quantity Q of outer window _{External window} Heat conduction quantity of the two parts. In the formula (4), alpha is a temperature difference correction coefficient of the type of the enclosure, y represents the number of the enclosures, and alpha ^y F for temperature difference correction coefficient (Table 3) corresponding to the type of the room enclosure extracted from the user building information ^y For the calculated area of each building envelope extracted from the user building information,

the heat transfer coefficients for each building envelope extracted from the user building information are shown in table 1. x represents the number of outer windows (x=0, 1,2,3 …), F ^x Calculating an area for an external window extracted from user building information, < > for>

To extract the heat transfer coefficient of the external window (Table 2) according to the building information of the user, t _n Real-time indoor temperature parameters, t, acquired by a temperature monitoring module _w And real-time weather temperature parameters stored for the outdoor weather module.

Wherein the room area andtwo building parameters of room height are mainly reflected in a formula (5) and are specifically applied; in addition to the above mentioned alpha,

t _n 、t _w In addition, there is also one F _y The term is the calculation area of each building envelope extracted from the user building information, and is represented in the formula (1), and the specific parameter acquisition needs to be acquired according to the room structure characteristic measurement of the user.

The air conditioner load is matched, a user inputs a set indoor target environment parameter (indoor target temperature), the system collects indoor thermal state parameters in the state, the real-time indoor thermal load is obtained through calculation, and the building load is added to obtain the real-time air conditioner load in the state. For real-time indoor load Q _{Indoor environmental load} ：

In the formula (5), G is the air quality of the user room at standard atmospheric pressure, C _p The specific heat was set to 1.01 for dry air at constant pressure. t is t _n Real-time indoor temperature parameters, t, acquired by a temperature monitoring module _{Setting up} A target room temperature set for the user.

The air quality of the user room at standard atmospheric pressure can be obtained by using the formula g=ρv, and the further decomposition formula is as follows

In the formula->

Solving formula t for air density in-20-100℃ range _n Is the indoor temperature, and is extracted from the building thermal state module. S is the area of a user room and is extracted from a user building information module. H is the height of the user room and is extracted from the user building information module.

For real-time air conditioning load Q _{Air conditioner load} ：

Q _{Air conditioner load} ＝Q _{Building load} +Q _{Indoor environmental load} (6)。

Equation (6) proposes that the building load Q be considered when calculating the real-time load of the air conditioner _{Building load} And an indoor environmental load Q _{Indoor environmental load} Two parts. Compared with an air conditioner operation control system, in the scheme of the invention, the air conditioner load is increased by Q _{Building load} And the precision of the air conditioner load is improved, the air conditioner load can be more fit with the actual demand to a certain extent, and the cold and hot loads in the running process of the air conditioner are avoided.

Step 32, in an air conditioner control method provided by the scheme of the invention, according to the indoor target temperature value set by the user and the predicted outdoor weather parameter, the predicted building load of the user is calculated, and a control instruction of dynamic adjustment and self-adaptive adjustment is provided for an air conditioner system. In the case where the air conditioner performs the predictive operation mode:

At this time, the building load Q is predicted _{Building load} The method comprises the following steps:

the formula (7) provides a control strategy by considering the change amount of indoor and outdoor heat transfer caused by the change of outdoor environment when predicting building load. In the formula (7), alpha is a temperature difference correction coefficient of the type of the enclosure, y is the number of the enclosures, and alpha ^y F for temperature difference correction coefficient (Table 3) corresponding to the type of the room enclosure extracted from the user building information ^y For the calculated area of each building envelope extracted from the user building information,

To extract the heat transfer coefficient of the external window (Table 2) according to the building information of the user, t _{Setting up} Setting a temperature for a room, ">

Is an outdoor temperature weather parameter 12 hours after this time. η is 1,2,3, …,12, representing the corresponding parameter from this moment to 12h back.

At this time, the predicted air conditioning load Q _{Air conditioner load} The method comprises the following steps:

Q _{air conditioner load} ＝Q _{Building load} (8)。

The formula (8) provides a judgment basis for the control strategy by considering the indoor environment variation caused by the heat transfer quantity variation of the building when calculating and predicting the air conditioner load.

The real-time operation mode refers to building load calculated at the moment through a formula (4) by collecting real-time outdoor environment temperature; the prediction operation mode refers to acquiring outdoor environment temperature at a future moment by collecting meteorological data, and calculating to obtain building load at the future moment by a formula (7); the two differ in that one is used to calculate the current building load and one is used to predict the building load at a future time.

At step S140, the operation of the air conditioner is controlled according to the current air conditioner load of the air conditioner and the target air conditioner load of the air conditioner.

In order to enable an air conditioner control system to realize dynamic adjustment and self-adaptive operation, the scheme of the invention provides an air conditioner control method, which is used for predicting building load change of a user room through the prediction meteorological parameters acquired by a WIFI networking module, so as to provide control instructions of dynamic adjustment and self-adaptive adjustment for an air conditioner, improve the matching degree of the user room load and the air conditioner load and realize dynamic prediction and self-adjustment of the air conditioner operation.

In some embodiments, in step S140, the operation of the air conditioner is controlled according to the current air conditioner load of the air conditioner and the target air conditioner load of the air conditioner, including any one of the following control situations:

First determination case: the process for controlling the operation of the air conditioner in the real-time operation mode specifically comprises the following steps: and under the condition that the air conditioner executes a preset real-time operation mode, if the difference value between the current air conditioner load of the air conditioner and the target air conditioner load of the air conditioner is larger than or equal to a first set load, controlling the air conditioner to continue to operate according to the current operation mode. And if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is smaller than a first set load, controlling the air conditioner to continuously run for a set time according to the set lowest power, and controlling the air conditioner to stop. The first set load is, for example, 50W.

FIG. 7 is a flow chart of an embodiment of a real-time mode start-stop system for an air conditioner according to the method of the present invention. As shown in fig. 7, in the present invention, the start-up and stop of the air conditioner real-time operation mode are set:

if Q when the air conditioner is in the execution real-time mode _{Air conditioner load} -(Q _{Building load} +Q _{Indoor environmental load} ) And if the current power is more than or equal to 50W, the air conditioner continues to operate according to the original mode and feeds back to the air conditioner control terminal. If Q when the air conditioner is in the execution real-time mode _{Air conditioner load} -(Q _{Building load} +Q _{Indoor environmental load} ) And if the power of the air conditioner is less than 50W, the air conditioner operates according to the minimum power and is fed back to the air conditioner control terminal, and if the air conditioner keeps the minimum power to continuously operate for 15min, the air conditioner is stopped, is in a standby mode and is fed back to the air conditioner control terminal.

Wherein, when executing the real-time operation mode, Q _{Air conditioner load} As a real-time load of the current air conditioner operation, Q _{Building load} As the building load which needs to be counteracted by the current air conditioner, Q _{Indoor environmental load} As the environmental load which is currently required to be provided by the air conditioner in the room, if Q _{Air conditioner load} -(Q _{Building load} +Q _{Indoor environmental load} ) If the energy consumption is more than or equal to 50W, the air conditioner continues to operate according to the original mode, if Q _{Air conditioner load} -(Q _{Building load} +Q _{Indoor environmental load} ) And < 50W, the air conditioner is operated at the lowest power.

In addition, when the prediction mode is executed, the air conditioner only needs to counteract Q at the future time _{Building load} If Q _{Air conditioner load} -Q _{Building load} More than or equal to 50W, starting the air conditioner, starting up to execute operation, if Q _{Air conditioner load} -Q _{Building load} And < 50W, the air conditioner continues to keep in standby mode.

Second determination case: the process for controlling the operation of the air conditioner in the pre-stored operation mode specifically comprises the following steps:

and under the condition that the air conditioner executes a preset prediction running mode, if the difference value between the current air conditioner load of the air conditioner and the target air conditioner load of the air conditioner is larger than or equal to a second set load, controlling the air conditioner to start and execute a preset running mode. And if the difference value between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is smaller than a second set load, controlling the air conditioner to continue standby. The second set load is, for example, 50W.

FIG. 8 is a flow chart of an embodiment of an air conditioner performing prediction mode start-stop system according to the method of the present invention. As shown in fig. 8, in the present invention, the start-up and stop of the air conditioner prediction operation mode are set:

if Q when the air conditioner is in the execution prediction mode _{Air conditioner load} -Q _{Building load} And the air conditioner is started, started to execute operation, and fed back to the air conditioner control terminal. (2) If Q when the air conditioner is in the execution prediction mode _{Air conditioner load} -Q _{Building load} And less than 50W, the air conditioner continues to keep in a standby mode and feeds back to the air conditioner control terminal.

According to the scheme, the acquired meteorological data are used for dynamic adjustment of an air conditioner (forecasting air conditioner load) and adaptive adjustment of the air conditioner (air conditioner real-time load) through the meteorological parameters acquired by the WIFI module. The thermal load of the building is calculated by using the meteorological parameters in an algorithm, and the thermal load change of the building is calculated by using the meteorological parameters essentially, so that the load adjustment to be made by the air conditioner load is calculated. The method is more suitable for the actual heat transfer quantity of the building room, considers the additional cold load brought to the indoor environment by the heat conduction and heat transfer of the building when calculating the load of the air conditioner, predicts the load of the air conditioner by combining the change of the outdoor environment, and can improve the control precision of the air conditioner and avoid the phenomena of supercooling and overheating of the indoor environment.

By adopting the technical scheme of the embodiment, the current weather parameters and the predicted weather parameters of the outdoor environment where the room is located are obtained, the building load change condition of the room is determined according to the current weather parameters and the predicted weather parameters, and then the cold and hot load provided by the air conditioner for the room is determined by combining the building load change condition of the room, so that the matching degree of the cold and hot load of the air conditioner and the building load can be improved, the thermal comfort experience of a user is further improved, and the energy saving is facilitated.

According to an embodiment of the present invention, there is also provided a control apparatus of an air conditioner corresponding to a control method of an air conditioner. Referring to fig. 4, a schematic diagram of an embodiment of the apparatus of the present invention is shown. The control device of the air conditioner may include: an acquisition unit 102 and a control unit 104.

Wherein, the obtaining unit 102 is configured to obtain the building parameters of the room where the air conditioner is located. And building parameters of the room where the air conditioner is located, such as user building information, user building thermal information and the like of the room where the air conditioner is located. The specific function and process of the acquisition unit 102 refer to step S110.

In some embodiments, the obtaining unit 102 obtains building parameters of a room in which the air conditioner is located, including:

the obtaining unit 102 is specifically further configured to obtain at least one of a building type, a room area, a room height, and a room enclosure type of a room where the air conditioner is located as a building parameter of the room where the air conditioner is located.

Fig. 5 is a flow chart of an embodiment of a control device of an air conditioner according to the present invention. As shown in fig. 5, the control device for an air conditioner provided by the scheme of the invention includes:

The type of construction will be described in detail below.

The calculating device of the window wall ratio theta of the outer wall of the room is as follows:

The computing device for heat exchange through the outer window is:

For the heat transfer coefficient of the x-th outer window, refer to table 2.

For the heat transfer coefficient of the y-th enclosure, refer to table 1.

The obtaining unit 102 is further configured to obtain a current weather parameter and a predicted weather parameter of an area where the room is located. The current weather parameter is the actual weather parameter which is currently collected. The predicted weather parameter is a predicted weather parameter after a future preset time period from the moment of collecting the current weather parameter. The specific function and processing of the acquisition unit 102 is also referred to in step S120.

In some embodiments, the obtaining unit 102 obtains the current weather parameter and the predicted weather parameter of the area where the room is located, including: the obtaining unit 102 is specifically further configured to collect, by using a communication module, such as a WIFI networking module, the current weather parameter of the area where the room is located according to a set sampling period, and collect the predicted weather parameter after a future preset time period from the time when the current weather parameter is collected in the area where the room is located.

As shown in fig. 5, the control device for an air conditioner provided by the present invention further includes:

FIG. 6 is a flow chart of an embodiment of a weather data store-and-invoke device in the device of the present invention. As shown in fig. 6, the weather data storing and calling device includes:

Step 21, outdoor side meteorological data are acquired, and real-time outdoor temperature meteorological parameters of a user location and outdoor temperature meteorological parameters of 12 hours from the moment can be acquired through the WIFI module networking. The data is stored in the outdoor weather module, and the data related processing device is as follows:

(eta is 1,2,3, …,12, represents the slave groupThe corresponding parameters from this time to 12h later).

A control unit 104 configured to determine a target air conditioning load of the air conditioner in the room according to at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter, and the predicted weather parameter. The specific function and process of the control unit 104 refer to step S130.

In some embodiments, the control unit 104 determines the target air conditioning load of the air conditioner in the room according to at least one of the target indoor temperature of the air conditioner, the current indoor temperature of the air conditioner, the building parameter, the current weather parameter, and the predicted weather parameter, including any one of the following determination cases:

first determination case: the process of determining the target air conditioner load in the real-time operation mode is specifically as follows:

the control unit 104 is specifically further configured to, in case the air conditioner performs a preset real-time operation mode:

the control unit 104 is specifically further configured to determine a room enclosure heat transfer amount of the room and an external window heat transfer amount of the room according to a difference between the current indoor temperature and the current weather parameter, and the building parameter, and determine a sum of the room enclosure heat transfer amount and the external window heat transfer amount as a building load of the room. The specific function and process of the control unit 104 also refer to step S210.

The control unit 104 is in particular further configured to determine an indoor environmental load of the room based on an absolute value of a difference between the current indoor temperature and the target indoor temperature. The specific function and process of the control unit 104 is also referred to as step S220.

The control unit 104 is specifically further configured to determine the building load of the room and the indoor environment load of the room as a target air conditioning load of the air conditioner in the room. The specific function and process of the control unit 104 is also referred to as step S230.

Second determination case: the process of determining the target air conditioner load in the pre-stored operation mode is specifically as follows:

the control unit 104 is specifically further configured to, in case the air conditioner performs a preset predicted operation mode:

the control unit 104 is specifically further configured to determine a room enclosure heat transfer amount of the room and an external window heat transfer amount of the room according to a difference between the target indoor temperature and the predicted weather parameter, and the building parameter, and determine a sum of the room enclosure heat transfer amount and the external window heat transfer amount as a building load of the room. The specific function and process of the control unit 104 also refer to step S310.

The control unit 104 is in particular further configured to determine the building load of the room as a target air conditioning load of the air conditioner in the room. The specific function and process of the control unit 104 also refer to step S320.

The building thermal state module is used for collecting indoor thermal environment parameters, in particular indoor air temperature T, through the air conditioner indoor unit temperature monitoring module _n 。

Building load matching, and the system calculates building load Q under the state based on the real-time indoor thermal state parameter, the user building thermal parameter and the real-time outdoor weather parameter _{Building load} . Building load matching module, mainly for calculating cold/hot load Q of building _{Building load} Tool for cleaning and cleaningThe volume calculation is as follows:

for real-time building load Q _{Building load} ：

In the formula->

For real-time air conditioning load Q _{Air conditioner load} ：

Step 32, in an air conditioner control device provided by the scheme of the invention, according to the indoor target temperature value set by the user and the predicted outdoor weather parameter, the predicted building load of the user is calculated, and a control instruction of dynamic adjustment and self-adaptive adjustment is provided for an air conditioner system. In the case where the air conditioner performs the predictive operation mode:

Q _{air conditioner load} ＝Q _{Building load} (8)。

The control unit 104 is further configured to control the operation of the air conditioner according to the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner. The specific function and process of the control unit 104 also refer to step S140.

In order to enable an air conditioner control system to realize dynamic adjustment and self-adaptive operation, the scheme of the invention provides an air conditioner control device, which is used for predicting building load change of a user room through the prediction meteorological parameters acquired by a WIFI networking module, further providing control instructions of dynamic adjustment and self-adaptive adjustment for an air conditioner, improving the matching degree of the user room load and the air conditioner load and realizing dynamic prediction and self-adjustment of the air conditioner operation.

In some embodiments, the control unit 104 controls the operation of the air conditioner according to the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner, including any one of the following control situations:

first determination case: the process for controlling the operation of the air conditioner in the real-time operation mode specifically comprises the following steps: the control unit 104 is specifically further configured to, in a case where the air conditioner executes a preset real-time operation mode, control the air conditioner to continue to operate according to the current operation mode if a difference between a current air conditioner load of the air conditioner and a target air conditioner load of the air conditioner is greater than or equal to a first set load. And if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is smaller than a first set load, controlling the air conditioner to continuously run for a set time according to the set lowest power, and controlling the air conditioner to stop. The first set load is, for example, 50W.

FIG. 7 is a flow chart of an embodiment of an air conditioner performing a real-time mode start-stop system in the apparatus of the present invention. As shown in fig. 7, in the present invention, the start-up and stop of the air conditioner real-time operation mode are set:

Second determination case: the process for controlling the operation of the air conditioner in the pre-stored operation mode specifically comprises the following steps: the control unit 104 is specifically further configured to, in a case where the air conditioner executes a preset predicted operation mode, control the air conditioner to start and execute a preset operation mode if a difference between a current air conditioning load of the air conditioner and a target air conditioning load of the air conditioner is greater than or equal to a second set load. And if the difference value between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is smaller than a second set load, controlling the air conditioner to continue standby. The second set load is, for example, 50W.

Fig. 8 is a flowchart of an embodiment of an air conditioner performing prediction mode start-stop system in the device of the present invention. As shown in fig. 8, in the present invention, the start-up and stop of the air conditioner prediction operation mode are set:

Since the processes and functions implemented by the apparatus of the present embodiment substantially correspond to the embodiments, principles and examples of the foregoing methods, the descriptions of the embodiments are not exhaustive, and reference may be made to the descriptions of the foregoing embodiments and their descriptions are omitted herein.

By adopting the technical scheme of the invention, the current weather parameters and the predicted weather parameters of the outdoor environment where the room is located are obtained, the building load change condition of the room is determined according to the current weather parameters and the predicted weather parameters, and then the cold and hot loads provided by the air conditioner for the room are determined by combining the building load change condition of the room, so that the matching degree of the room load of a user and the air conditioner load can be improved, and the user experience is facilitated.

According to an embodiment of the present invention, there is also provided an air conditioner corresponding to the control device of the air conditioner. The air conditioner may include: the control device of the air conditioner.

Since the processes and functions implemented by the air conditioner of the present embodiment basically correspond to the embodiments, principles and examples of the foregoing apparatus, the description of the present embodiment is not exhaustive, and reference may be made to the related descriptions of the foregoing embodiments, which are not repeated herein.

By adopting the technical scheme of the invention, the current weather parameters and the predicted weather parameters of the outdoor environment where the room is located are obtained, the building load change condition of the room is determined according to the current weather parameters and the predicted weather parameters, and then the cold and hot loads provided by the air conditioner for the room are determined by combining the building load change condition of the room, so that the dynamic prediction and self adjustment of the operation of the air conditioner are realized, and the user experience is promoted.

According to an embodiment of the present invention, there is also provided a storage medium corresponding to a control method of an air conditioner, the storage medium including a stored program, wherein an apparatus in which the storage medium is controlled to execute the control method of the air conditioner described above when the program runs.

Since the processes and functions implemented by the storage medium of the present embodiment substantially correspond to the embodiments, principles and examples of the foregoing methods, the descriptions of the present embodiment are not exhaustive, and reference may be made to the related descriptions of the foregoing embodiments, which are not repeated herein.

By adopting the technical scheme of the invention, the current weather parameters and the predicted weather parameters of the outdoor environment where the room is located are obtained, the building load change condition of the room is determined according to the current weather parameters and the predicted weather parameters, and then the cold and hot loads provided for the room by the air conditioner are determined by combining the building load change condition of the room, so that the supercooling and overheating phenomena of the indoor environment are avoided.

In summary, it is readily understood by those skilled in the art that the above-described advantageous ways can be freely combined and superimposed without conflict.

The above description is only an example of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A control method of an air conditioner, comprising:

acquiring building parameters of a room where the air conditioner is located;

acquiring current weather parameters and predicted weather parameters of an area where the room is located; the current meteorological parameters are actual meteorological parameters collected currently; the predicted meteorological parameters are predicted meteorological parameters after a future preset time length from the moment of collecting the current meteorological parameters; the method for obtaining the current weather parameters and the predicted weather parameters of the area where the room is located comprises the following steps: the method comprises the steps of utilizing a communication module to collect current weather parameters of an area where a room is located according to a set sampling period, and collecting predicted weather parameters after future preset time length from the moment of collecting the current weather parameters of the area where the room is located; wherein the weather parameters of the current weather parameters and the predicted weather parameters include: an outdoor temperature;

determining a target air conditioning load of the air conditioner in the room according to at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter and the predicted weather parameter; determining a target air conditioning load of the air conditioner in the room according to at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter and the predicted weather parameter, comprising: in the case that the air conditioner performs a preset real-time operation mode: determining the room enclosure heat transfer quantity of the room and the external window heat transfer quantity of the room according to the difference value of the current indoor temperature and the current meteorological parameter and the building parameter, and determining the sum of the room enclosure heat transfer quantity and the external window heat transfer quantity as the building load of the room; determining an indoor environmental load of the room according to an absolute value of a difference value between the current indoor temperature and the target indoor temperature; determining a building load of the room and an indoor environment load of the room as a target air conditioning load of the air conditioner in the room; or, in case that the air conditioner performs a preset prediction operation mode: determining a room enclosure heat transfer amount of the room and an external window heat transfer amount of the room according to the difference value between the target indoor temperature and the predicted meteorological parameter and the building parameter, and determining the sum of the room enclosure heat transfer amount and the external window heat transfer amount as the building load of the room; determining a building load of the room as a target air conditioning load of the air conditioner in the room;

Controlling the operation of the air conditioner according to the current air conditioner load of the air conditioner and the target air conditioner load of the air conditioner; the method comprises the steps of obtaining current weather parameters and predicted weather parameters of an outdoor environment where a room is located, determining building load change conditions of the room according to the current weather parameters and the predicted weather parameters, and further determining cold and hot loads provided by an air conditioner for the room according to the building load change conditions of the room.

2. The control method of an air conditioner according to claim 1, wherein acquiring the building parameters of the room in which the air conditioner is located comprises:

acquiring at least one of the building type, the room area, the room height and the room enclosure structure type of a room where the air conditioner is located as the building parameter of the room where the air conditioner is located;

wherein, the liquid crystal display device comprises a liquid crystal display device,

in the case that the building parameter is a building type, the building type is a temperature type divided according to the temperature of the area where the room where the air conditioner is located;

in the case where the building parameter is a room area, the room area is an actual area of the room;

in the case where the building parameter is a room height, the room height is an actual height of the room;

Under the condition that the building parameter is the window wall ratio of the outer wall of the room, the window wall ratio of the outer wall of the room is the ratio of the total area of the outer window of the room to the total area of the outer wall of the room;

and in the case that the building parameter is a room enclosure type, the room enclosure type is the type of the actual enclosure of the room.

3. The control method of an air conditioner according to any one of claims 1 to 2, characterized by controlling an operation of the air conditioner according to a current air conditioner load of the air conditioner and a target air conditioner load of the air conditioner, comprising:

if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is larger than or equal to a first set load under the condition that the air conditioner executes a preset real-time operation mode, the air conditioner is controlled to continue to operate according to the current operation mode; if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is smaller than a first set load, controlling the air conditioner to continuously run for a set time according to the set minimum power, and controlling the air conditioner to stop;

or alternatively, the process may be performed,

if the difference between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is greater than or equal to a second set load under the condition that the air conditioner executes a preset prediction operation mode, controlling the air conditioner to start and execute a preset operation mode; and if the difference value between the current air conditioning load of the air conditioner and the target air conditioning load of the air conditioner is smaller than a second set load, controlling the air conditioner to continue standby.

4. A control device of an air conditioner, comprising:

an acquisition unit configured to acquire building parameters of a room in which the air conditioner is located;

the acquisition unit is further configured to acquire current weather parameters and predicted weather parameters of the area where the room is located; the current meteorological parameters are actual meteorological parameters collected currently; the predicted meteorological parameters are predicted meteorological parameters after a future preset time length from the moment of collecting the current meteorological parameters; the obtaining unit obtains the current weather parameter and the predicted weather parameter of the area where the room is located, and the obtaining unit comprises: the method comprises the steps of utilizing a communication module to collect current weather parameters of an area where a room is located according to a set sampling period, and collecting predicted weather parameters after future preset time length from the moment of collecting the current weather parameters of the area where the room is located; wherein the weather parameters of the current weather parameters and the predicted weather parameters include: an outdoor temperature;

a control unit configured to determine a target air conditioning load of the air conditioner in the room according to at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter, and the predicted weather parameter; the control unit determines a target air conditioning load of the air conditioner in the room according to at least one of a target indoor temperature of the air conditioner, a current indoor temperature of the air conditioner, the building parameter, the current weather parameter, and the predicted weather parameter, including: in the case that the air conditioner performs a preset real-time operation mode: determining the room enclosure heat transfer quantity of the room and the external window heat transfer quantity of the room according to the difference value of the current indoor temperature and the current meteorological parameter and the building parameter, and determining the sum of the room enclosure heat transfer quantity and the external window heat transfer quantity as the building load of the room; determining an indoor environmental load of the room according to an absolute value of a difference value between the current indoor temperature and the target indoor temperature; determining a building load of the room and an indoor environment load of the room as a target air conditioning load of the air conditioner in the room; or, in case that the air conditioner performs a preset prediction operation mode: determining a room enclosure heat transfer amount of the room and an external window heat transfer amount of the room according to the difference value between the target indoor temperature and the predicted meteorological parameter and the building parameter, and determining the sum of the room enclosure heat transfer amount and the external window heat transfer amount as the building load of the room; determining a building load of the room as a target air conditioning load of the air conditioner in the room;

The control unit is further configured to control the operation of the air conditioner according to the current air conditioner load of the air conditioner and the target air conditioner load of the air conditioner; the method comprises the steps of obtaining current weather parameters and predicted weather parameters of an outdoor environment where a room is located, determining building load change conditions of the room according to the current weather parameters and the predicted weather parameters, and further determining cold and hot loads provided by an air conditioner for the room according to the building load change conditions of the room.

5. The control device of an air conditioner according to claim 4, wherein the acquisition unit acquires a building parameter of a room in which the air conditioner is located, comprising:

6. The control device of an air conditioner according to any one of claims 4 to 5, wherein the control unit controls the operation of the air conditioner according to a current air conditioner load of the air conditioner and a target air conditioner load of the air conditioner, comprising:

or alternatively, the process may be performed,

7. An air conditioner, comprising: the control device of an air conditioner according to any one of claims 4 to 6.

8. A storage medium comprising a stored program, wherein the program, when run, controls a device in which the storage medium is located to perform the control method of the air conditioner of any one of claims 1 to 3.