CN114061110A

CN114061110A - Air conditioner control method

Info

Publication number: CN114061110A
Application number: CN202111467745.5A
Authority: CN
Inventors: 陈锐东; 邹云辉; 彭杰; 熊重重; 廖永富; 梁玉林
Original assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Current assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-02-18

Abstract

The invention provides an air conditioner control method, which is used for controlling the air outlet of an air conditioner, wherein the air conditioner comprises an upper air outlet and a lower air outlet, and after the heating start-up or defrosting is finished and the air conditioner is started, the air conditioner control method comprises the following steps: closing a lower air outlet of the air conditioner, opening an upper air outlet of the air conditioner, and starting an inner fan of an indoor unit of the air conditioner; detecting inner tube temperature T of heat exchange tube of indoor heat exchanger of air conditioner_{Inner pipe}Detecting the indoor ambient temperature T_{Inner ring}And recording the running time t of the compressor of the air conditioner_{Operation of}(ii) a When at least one of the following conditions is met, the lower air outlet is opened: t is_{Inner pipe}≥T_{Inner ring}+T_{Temperature difference}、T_{Inner pipe}≥T_{Tube temperature 1}、t_{Operation of}≥t_{Shortest length}(ii) a Wherein, T_{Temperature difference}、T_{Tube temperature 1}And t_{Shortest length}Are all set. The air conditioner control method solves the problem that the comfort of the air conditioner in the prior art is low.

Description

Air conditioner control method

Technical Field

The invention relates to the field of air conditioners, in particular to an air conditioner control method.

Background

When the air conditioner is in a low-temperature heating initial stage or is started after defrosting is finished, the indoor air outlet temperature is low, and if the air conditioner is blown to a human body, the human body is uncomfortable. The existing methods for improving the problem mainly comprise the following two methods:

1. the software is added with cold-proof wind control, and when the temperature of the evaporator is detected to be lower, air is not blown or breeze is blown, or the air deflector is matched to hit a smaller angle;

2. the position of the air outlet is adjusted to prevent the air blown out from the air outlet from blowing people.

Based on the prior art, although the first software control method can avoid blowing cold air to a certain extent, the first software control method still can be influenced by the blowing cold air at a certain specific angle, and simultaneously greatly sacrifices the temperature rise effect at the initial stage of starting;

the second method is limited by the structural shell, the existing product can not completely realize that cold air does not blow people temporarily, and the cold air prevention control of the product is similar to the first control strategy, so that the heating capacity is sacrificed to prevent cold air.

Disclosure of Invention

The invention mainly aims to provide an air conditioner control method to solve the problem that the comfort of an air conditioner in the prior art is low.

In order to achieve the above object, the present invention provides an air conditioner control method for controlling air outlet of an air conditioner, the air conditioner includes an upper air outlet and a lower air outlet, and after a heating start-up or a defrosting finish and a start-up, the air conditioner control method includes: closing a lower air outlet of the air conditioner, opening an upper air outlet of the air conditioner, and starting an inner fan of an indoor unit of the air conditioner; detecting inner tube temperature T of heat exchange tube of indoor heat exchanger of air conditioner_{Inner pipe}Detecting the indoor ambient temperature T_{Inner ring}And recording the running time t of the compressor of the air conditioner_{Operation of}(ii) a When at least one of the following conditions is satisfied, hitOpening a lower air outlet: t is_{Inner pipe}≥T_{Inner ring}+T_{Temperature difference}、T_{Inner pipe}≥T_{Tube temperature 1}、t_{Operation of}≥t_{Shortest length}(ii) a Wherein, T_{Temperature difference}、T_{Tube temperature 1}And t_{Shortest length}Are all set.

Further, T_{Temperature difference}Is taken as T_{Temperature difference}＝A-T_{Inner ring}2; wherein A is a constant.

Further, a takes a value of 25 to 35.

Further, T_{Tube temperature 1}The value of (A) is from 40 ℃ to 45 ℃.

Further, t_{Shortest length}The value of (2) is 10 min.

Further, after the lower air outlet is opened, the air conditioner control method further includes: judging the temperature T of the inner tube_{Inner pipe}And T_{Tube temperature 1}The magnitude relationship between them; when the temperature T of the inner tube_{Inner pipe}Less than T_{Tube temperature 1}In time, the inner fan is controlled to be at every t₁Reduction of speed in time S₁The rotating speed is used for reducing the rotating speed of the inner fan.

Further, t₁Is taken as 10S, S₁Is 30 rpm.

Further, in the process of controlling the reduction of the internal fan, the air conditioner control method further includes: judging the temperature T of the inner tube_{Inner pipe}And T_{Pipe temperature 2}The magnitude relationship between them; when the temperature T of the inner tube_{Inner pipe}Greater than or equal to T_{Pipe temperature 2}In time, the inner fan is controlled to be at every t₂Speed increase within time S₂The rotating speed is used for increasing the rotating speed of the inner fan; otherwise, continuously controlling the inner fan to do every t₁Reduction of speed in time S₁The rotating speed is used for reducing the rotating speed of the inner fan; wherein, T_{Pipe temperature 2}Greater than T_{Tube temperature 1}。

Further, T_{Pipe temperature 2}＝T_{Tube temperature 1}+3℃。

Further, t₂Is 20S, S₂Is 50 rpm.

By applying the technical scheme of the invention, the air conditioner control method provided by the invention is used for controlling the air conditionerThe air conditioner control method comprises the following steps of (1) air outlet of the air conditioner, after the air conditioner is started in heating or defrosting is finished and started up: the lower air outlet of the air conditioner is closed, the upper air outlet of the air conditioner is opened, and an inner fan of an indoor unit of the air conditioner is started, so that cold air blowing from the lower air outlet is avoided, and the heat exchange efficiency is greatly reduced due to the fact that the inner fan does not blow air or the air quantity is small; detecting inner tube temperature T of heat exchange tube of indoor heat exchanger of air conditioner_{Inner pipe}Detecting the indoor ambient temperature T_{Inner ring}And recording the running time t of the compressor of the air conditioner_{Operation of}(ii) a When at least one of the following conditions is met, the lower air outlet is opened: t is_{Inner pipe}≥T_{Inner ring}+T_{Temperature difference}、T_{Inner pipe}≥T_{Tube temperature 1}、t_{Operation of}≥t_{Shortest length}(ii) a Wherein, T_{Temperature difference}、T_{Tube temperature 1}And t_{Shortest length}All the values are set, so that when the temperature T of the inner tube of the heat exchange tube is equal to_{Inner pipe}When the temperature of the air flow rises to a certain value, the lower air outlet is opened, the temperature of the air flow blown out from the lower air outlet is relatively comfortable, and the operation time t of the compressor is prolonged_{Operation of}Greater than or equal to the shortest operating time t of the compressor_{Shortest length}When the temperature of the pipe cannot rise to the target temperature after the compressor is operated for a long time, the lower air outlet is opened to ensure the heat exchange effect. Therefore, the air conditioner control method ensures a certain heat exchange effect and realizes cold air prevention control under the condition of reducing the sacrifice of heating capacity.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a flowchart of an embodiment of an air conditioning control method according to the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides an air conditioner control method for controlling air outlet of an air conditioner, the air conditioner includes an upper air outlet and a lower air outlet, and after a heating start-up or a defrosting finish and a start-up, the air conditioner control method includes: closing a lower air outlet of the air conditioner, opening an upper air outlet of the air conditioner, and starting an inner fan of an indoor unit of the air conditioner; detecting inner tube temperature T of heat exchange tube of indoor heat exchanger of air conditioner_{Inner pipe}Detecting the indoor ambient temperature T_{Inner ring}And recording the running time t of the compressor of the air conditioner_{Operation of}(ii) a When at least one of the following conditions is met, the lower air outlet is opened: t is_{Inner pipe}≥T_{Inner ring}+T_{Temperature difference}、T_{Inner pipe}≥T_{Tube temperature 1}、t_{Operation of}≥t_{Shortest length}(ii) a Wherein, T_{Temperature difference}、T_{Tube temperature 1}And t_{Shortest length}Are all set.

The air conditioner control method provided by the invention is used for controlling the air outlet of the air conditioner, and after the heating start-up or the defrosting is finished and the start-up is finished, the air conditioner control method comprises the following steps: the lower air outlet of the air conditioner is closed, the upper air outlet of the air conditioner is opened, and an inner fan of an indoor unit of the air conditioner is started, so that cold air blowing from the lower air outlet is avoided, and the heat exchange efficiency is greatly reduced due to the fact that the inner fan does not blow air or the air quantity is small; detecting inner tube temperature T of heat exchange tube of indoor heat exchanger of air conditioner_{Inner pipe}Detecting the indoor ambient temperature T_{Inner ring}And recording the running time t of the compressor of the air conditioner_{Operation of}(ii) a When at least one of the following conditions is met, the lower air outlet is opened: t is_{Inner pipe}≥T_{Inner ring}+T_{Temperature difference}、T_{Inner pipe}≥T_{Tube temperature 1}、t_{Operation of}≥t_{Shortest length}(ii) a Wherein, T_{Temperature difference}、T_{Tube temperature 1}And t_{Shortest length}All the values are set, so that when the temperature T of the inner tube of the heat exchange tube is equal to_{Inner pipe}When the temperature of the air flow rises to a certain value, the lower air outlet is opened, the temperature of the air flow blown out from the lower air outlet is relatively comfortable, and the operation time t of the compressor is prolonged_{Operation of}Greater than or equal to the shortest operating time t of the compressor_{Shortest length}When the temperature of the pipe cannot rise to the target temperature after the compressor is operated for a long time, the lower air outlet is opened to ensure the heat exchange effect. Therefore, the air conditioner control method ensures a certain heat exchange effect and realizes cold air prevention control under the condition of reducing the sacrifice of heating capacity.

In an embodiment of the present invention, T_{Temperature difference}Temperature T of indoor environment_{Inner ring}In connection with, in particular, T_{Temperature difference}Is taken as T_{Temperature difference}＝A-T_{Inner ring}2; wherein A is a constant. When the indoor ambient temperature T_{Inner ring}At lower time, then T_{Temperature difference}The human body feels that the sensation of blowing cold wind is not strong, and the air outlet can be opened down this moment in order to guarantee the heat transfer effect of air conditioner.

Specifically, a takes a value of 25 to 35, and preferably, a takes 30.

In particular, T_{Tube temperature 1}The value of (A) is from 40 ℃ to 45 ℃. Preferably, T_{Tube temperature 1}The value of (2) is 42 ℃, when the temperature of a heat exchange tube of the indoor heat exchanger exceeds 42 ℃, the air outlet temperature of the air conditioner is generally higher than that of a human body, the lower air outlet is opened at the moment, the temperature of the blown air is comfortable, and the improvement of the comfort of the human body is facilitated.

In an embodiment of the present invention, t_{Shortest length}The value of (2) is 10min, namely when the running time of the air conditioner compressor is more than or equal to 10 minutes and cannot be increased to the target temperature, the lower air outlet is opened for ensuring the heat exchange effect.

Further, in order to increase the air outlet temperature of the lower air outlet, the rotating speed of a lower fan of the air conditioner can be adjusted according to the pipe temperature of the heat exchange pipe of the indoor heat exchanger so as to control the air outlet volume of the lower air outlet, and therefore the air outlet temperature of the lower air outlet is increased.

In an embodiment of the present invention, after the lower outlet is opened, the air conditioner control method further includes: judging the temperature T of the inner tube_{Inner pipe}And T_{Tube temperature 1}The magnitude relationship between them; when the temperature T of the inner tube_{Inner pipe}Less than T_{Tube temperature 1}In time, the inner fan is controlled to be at every t₁Reduction of speed in time S₁The rotating speed is used for reducing the rotating speed of the inner fan.

In particular, t₁Is taken as 10S, S₁Is 30 rpm.

Further, in the process of controlling the reduction of the internal fan, the air conditioner control method further includes: judging the temperature T of the inner tube_{Inner pipe}And T_{Pipe temperature 2}The magnitude relationship between them; when the temperature T of the inner tube_{Inner pipe}Greater than or equal to T_{Pipe temperature 2}In time, the inner fan is controlled to be at every t₂Speed increase within time S₂The rotating speed is used for increasing the rotating speed of the inner fan until the rotating speed reaches the set rotating speed; otherwise, continuously controlling the inner fan to do every t₁Reduction of speed in time S₁The rotating speed is used for reducing the rotating speed of the inner fan; wherein, T_{Pipe temperature 2}Greater than T_{Tube temperature 1}。

In particular, T_{Pipe temperature 2}＝T_{Tube temperature 1}+3℃。

In an embodiment of the present invention, t₂Is 20S, S₂Is 50 rpm.

Optionally, when the outdoor environment temperature is detected to be low, the auxiliary electric heating is started after the inner fan is started, so that the heat output of the indoor unit is improved.

In the embodiment of the invention, when the outdoor environment temperature is detected to be less than 0 ℃, the auxiliary electric heating is started to improve the heat output of the indoor unit.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the air conditioner control method provided by the invention is used for controlling the air outlet of the air conditioner, and after the heating start-up or the defrosting is finished and the start-up is finished, the air conditioner control method comprises the following steps: closing the lower outlet of the air conditioner, opening the upper outlet of the air conditioner, and starting the chamber of the air conditionerThe inner fan of the inner machine avoids blowing cold air at the lower air outlet and greatly reduces the heat exchange efficiency caused by no air blowing or small air volume of the inner fan; detecting inner tube temperature T of heat exchange tube of indoor heat exchanger of air conditioner_{Inner pipe}Detecting the indoor ambient temperature T_{Inner ring}And recording the running time t of the compressor of the air conditioner_{Operation of}(ii) a When at least one of the following conditions is met, the lower air outlet is opened: t is_{Inner pipe}≥T_{Inner ring}+T_{Temperature difference}、T_{Inner pipe}≥T_{Tube temperature 1}、t_{Operation of}≥t_{Shortest length}(ii) a Wherein, T_{Temperature difference}、T_{Tube temperature 1}And t_{Shortest length}All the values are set, so that when the temperature T of the inner tube of the heat exchange tube is equal to_{Inner pipe}When the temperature of the air flow rises to a certain value, the lower air outlet is opened, the temperature of the air flow blown out from the lower air outlet is relatively comfortable, and the operation time t of the compressor is prolonged_{Operation of}Greater than or equal to the shortest operating time t of the compressor_{Shortest length}When the temperature of the pipe cannot rise to the target temperature after the compressor is operated for a long time, the lower air outlet is opened to ensure the heat exchange effect. Therefore, the air conditioner control method ensures a certain heat exchange effect and realizes cold air prevention control under the condition of reducing the sacrifice of heating capacity.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air conditioner control method is used for controlling air outlet of an air conditioner, the air conditioner comprises an upper air outlet and a lower air outlet, and the air conditioner control method is characterized in that after a heating start-up machine or defrosting is finished and the air conditioner is started up, the air conditioner control method comprises the following steps:

closing a lower air outlet of the air conditioner, opening an upper air outlet of the air conditioner, and starting an inner fan of an indoor unit of the air conditioner;

for detecting indoor heat exchanger of air conditionerInner tube temperature T of heat exchange tube_{Inner pipe}Detecting the indoor ambient temperature T_{Inner ring}And recording the running time t of the compressor of the air conditioner_{Operation of}；

When at least one of the following conditions is met, opening the lower air outlet:

T_{inner pipe}≥T_{Inner ring}+T_{Temperature difference}、T_{Inner pipe}≥T_{Tube temperature 1}、t_{Operation of}≥t_{Shortest length}；

Wherein, T_{Temperature difference}、T_{Tube temperature 1}And t_{Shortest length}Are all set.

2. The air conditioner control method according to claim 1, wherein T is_{Temperature difference}Is taken as T_{Temperature difference}＝A-T_{Inner ring}2; wherein A is a constant.

3. The air conditioner control method according to claim 2, wherein a takes a value of 25 to 35.

4. The air conditioner control method according to claim 1, wherein T is_{Tube temperature 1}The value of (A) is from 40 ℃ to 45 ℃.

5. The air conditioner control method according to claim 1, wherein t is t_{Shortest length}The value of (2) is 10 min.

6. The air conditioning control method according to claim 1, further comprising, after opening the lower outlet:

judging the temperature T of the inner tube_{Inner pipe}And T_{Tube temperature 1}The magnitude relationship between them;

when the temperature T of the inner tube is_{Inner pipe}Less than T_{Tube temperature 1}In time, the inner fan is controlled to operate at every t₁Reduction of speed in time S₁The rotating speed is used for reducing the rotating speed of the inner fan.

7. The air conditioner control method according to claim 6, wherein t is t₁Is taken as 10S, S₁Is 30 rpm.

8. The air conditioning control method according to claim 6, wherein in controlling the inner fan to be lowered, the air conditioning control method further comprises:

judging the temperature T of the inner tube_{Inner pipe}And T_{Pipe temperature 2}The magnitude relationship between them;

when the temperature T of the inner tube is_{Inner pipe}Greater than or equal to T_{Pipe temperature 2}In time, the inner fan is controlled to operate at every t₂Speed increase within time S₂The rotating speed is used for increasing the rotating speed of the inner fan; otherwise, continuously controlling the inner fan to do every t₁Reduction of speed in time S₁The rotating speed is used for reducing the rotating speed of the inner fan;

wherein, T_{Pipe temperature 2}Greater than T_{Tube temperature 1}。

9. The air conditioner control method according to claim 8, wherein T is_{Pipe temperature 2}＝T_{Tube temperature 1}+3℃。

10. The air conditioner controlling method according to claim 8, wherein t is t₂Is 20S, S₂Is 50 rpm.