CN110595010A - Control method and control device for heating priority mode of air conditioner and air conditioner - Google Patents

Abstract

The invention provides a control method and a control device for a heating priority mode of an air conditioner and the air conditioner, wherein the control method comprises the following steps: after the air conditioner enters a heating priority mode, controlling an external motor of the air conditioner to operate at a preset rotating speed r; according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 1; and when the air conditioner meets the defrosting entering condition 1, controlling the air conditioner to enter defrosting. By adopting the technical scheme, when the user does not select the heating priority mode, the air conditioner operates according to the conventional mode; when a user selects a heating priority mode, the air conditioner operates in the heating priority mode; after the air conditioner enters the heating priority mode, the air conditioner enters defrosting and defrosting through the running rotating speed of an external motorThe defrosting condition is controlled, so that the fluctuation of the room temperature caused by frequent defrosting can be avoided, the heating operation time is prolonged, and the user experience is improved.

Description

Control method and control device for heating priority mode of air conditioner and air conditioner

Technical Field

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

Background

The air conditioner is a household appliance which is frequently used in life, and achieves the purpose of cooling indoor air by utilizing the principle of heat release by washing in the phase change process of a refrigerant.

When the air conditioner in the prior art is used in daily life, the air conditioner generally operates according to indoor and outdoor ambient temperatures, set indoor unit temperature, set wind gear and the like. When the air conditioner is in a cooling mode and a heating mode, frosting may occur, for example, the use of the air conditioner is affected when the defrosting is not timely after the air conditioner is frosted. However, in the heating mode, when the outdoor environment temperature is low or the humidity is high, the problem of frequent defrosting exists, and the user experience is not good.

Disclosure of Invention

In order to solve at least one of the above problems, the present invention provides a control method of a heating priority mode of an air conditioner, the control method including the steps of:

after the air conditioner enters a heating priority mode, controlling an external motor of the air conditioner to operate at a preset rotating speed r;

according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 1;

and when the air conditioner meets the defrosting entering condition 1, controlling the air conditioner to enter defrosting.

By adopting the technical scheme, when the user does not select the heating priority mode, the air conditioner operates according to the conventional mode; when a user selects a heating priority mode, the air conditioner operates in the heating priority mode; after the air conditioner enters the heating priority mode, the running rotating speed of the external motor and the conditions of entering defrosting and exiting defrosting are controlled, so that the fluctuation of room temperature caused by frequent defrosting can be avoided, the heating running time is prolonged, and the user experience is improved.

Optionally, the defrosting entry condition 1 is that the following conditions are simultaneously satisfied:

cumulative heating operation time t of the compressor_{Pressure accumulation}And a predetermined time t₁Satisfies the following conditions: t is t_{Pressure accumulation}≥t₁；

The outdoor coil temperature T_{Outer plate}And a predetermined temperature T₁Satisfies the following conditions: t is_{Outer plate}≤T₁；

Temperature difference Δ T_{Outer ring-outer disc}And a predetermined temperature T₂+ an satisfies: delta T_{Outer ring-outer disc}≥T₂+ an; wherein the temperature difference Δ T_{Outer ring-outer disc}For the outdoor ambient temperature T_{Outer ring}And the outdoor coil temperature T_{Outer plate}The temperature difference therebetween.

This way, by adjusting the defrosting entry condition 1, in particular by the continuous running time t of the compressor_{Press-connecting}Outdoor coil temperature T_{Outer plate}And temperature difference Δ T_{Outer ring-outer disc}The parameters are adjusted, so that frequent defrosting is avoided, and the heating running time is prolonged.

Optionally, the value range of a in an is as follows: n is more than or equal to 1 and less than or equal to 3, and the value range of n is as follows: n is more than or equal to 0.5 ℃ and less than or equal to 2.5 ℃. In this way, the selection of the parameters is proved by practice, so that frequent defrosting can be avoided, and the heating running time can be prolonged.

Optionally, the control method includes the following steps:

calculating the defrosting period t of the air conditioner_{Defrosting cream}Average value W of inner heating effect_i；

According to the average value W of the heating effect_iControlling whether the air conditioner updates the defrosting entry condition 1;

wherein the defrosting period t_{Defrosting cream}Calculating the time t for the current defrosting period of the air conditioner to quit defrosting_{Quitting defrosting in the current defrosting period}And the time t of the last defrosting cycle for exiting defrosting_{Defrosting is quitted in the period of defrosting}The difference between the values of the two signals,

t_{defrosting cream}＝t_{Quitting defrosting in the current defrosting period}-t_{Defrosting is quitted in the period of defrosting}。

In this way, the average value W of the heating effect is obtained_iWhether the air conditioner is updated to the defrosting entry condition 1 or not is controlled, the specific parameters and the specific operation steps in the defrosting entry condition 1 can be dynamically updated, and the fluctuation of the room temperature caused by frequent defrosting is further avoided.

Optionally, the average value W of heating effect_iComprises the following steps:

in the defrosting period t_{Defrosting cream}Within, every preset time t₂Detecting indoor coil temperature T_{Inner disc j}；

Calculating average value W of heating effect_iThe values of (A) are:

by the method, the average heating effect value can be effectively calculated.

Optionally, the step of_iAnd controlling whether the air conditioner updates the defrosting entry condition 1 "or not, comprising the steps of:

when the preset temperature T is₂When the value of an in + an is less than the preset value b, the method comprises the following steps:

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i≥W_i-1And controlling the air conditioner to update the defrosting entering condition 1 and controlling the heating effect average value W of the next period of the air conditioner operation_i+1The corresponding defrosting enters the condition 1;

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i＜W_i-1When the defrosting condition is met, controlling the air conditioner not to update the defrosting condition 1, and controlling the defrosting condition 1 corresponding to the heating effect average value Wi-1 of the previous period of operation of the air conditioner;

when the preset temperature T is₂When the value of an in + an is equal to the preset value b, the method comprises the following steps:

when it is presentAverage value W of periodic heating effect_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i≥W_i-1And controlling the air conditioner to update the defrosting entering condition 1, and controlling the average heating effect value W of the air conditioner in the current running period_iThe corresponding defrosting enters the condition 1;

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i＜W_i-1And controlling the air conditioner not to update the defrosting entering condition 1, and controlling the average value W of the heating effect of the air conditioner in the previous period of operation_i-1The corresponding defrost entered condition 1.

In this way, the average value W according to the heating effect is obtained by the pair_iAnd whether the air conditioner updates the setting and the specific operation steps of the specific parameters in the defrosting entry condition 1' or not is controlled, the updated heating average effect and the heating average effect before updating can be compared after the specific parameters in the defrosting entry condition 1 are updated, and when the updated heating effect is better, the parameters are further updated so as to prolong the time for entering the defrosting, obtain a more stable indoor heating effect, and further improve the user experience.

Optionally, the maximum value of the preset value b is 6 ℃. In this way, practice proves that when the maximum value of the preset value b exceeds 6 ℃, the situation that the actual frosting is generated but the defrosting is not performed occurs, and the situation can affect the heat exchange efficiency; by setting the maximum value of the preset value b, the situation can be effectively avoided.

Optionally, after the "after the air conditioner enters the heating priority mode, the external motor of the air conditioner is controlled to operate at the preset rotation speed r", the control method includes the following steps:

according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 2;

when the air conditioner meets the defrosting entry condition 2, controlling the air conditioner to enter defrosting;

wherein the defrosting entry condition 2 is that the following conditions are simultaneously satisfied:

cumulative heating operation time t of the compressor_{Pressure accumulation}And a predetermined time t₃Satisfies the following conditions: t is t_{Pressure accumulation}≥t₃Wherein, t₃>t₁；

The outdoor ambient temperature T_{Outer ring}And a predetermined temperature T₃Satisfies the following conditions: t is_{Outer ring}≤T₃；

The outdoor coil temperature T_{Outer plate}And a predetermined temperature T₄Satisfies the following conditions: t is_{Outer plate}≤T₄。

In this way, according to the running time t of the compressor_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Defrost entry condition 2 is provided.

Optionally, after the "after the air conditioner enters the heating priority mode, the external motor of the air conditioner is controlled to operate at the preset rotation speed r", the control method includes the following steps:

according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry conditions 3;

when the air conditioner meets a defrosting entering condition 3, controlling the air conditioner to enter defrosting;

wherein the defrosting entry condition 3 is that the following conditions are simultaneously satisfied:

current operating frequency f of the compressor_{Press and press}And the preset frequency f meets the following conditions: f. of_{Press and press}F is less than or equal to f; and the continuous running time t of the compressor under the condition_{Press-connecting}And a predetermined time t₄Satisfies the following conditions: t is t_{Press-connecting}≥t₄；

The outdoor ambient temperature T_{Outer ring}And a predetermined temperature T₅Satisfies the following conditions: t is_{Outer ring}≤T₅(ii) a And the outdoor ambient temperature T_{Outer ring}Under the condition for a preset time t₅；

The outdoor coil temperature T_{Outer plate}And a predetermined temperature T₆Satisfies the following conditions: t is_{Outer plate}＜T₆。

In this way, according to the running time t of the compressor_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Defrosting entry condition 3 is provided.

Optionally, after the air conditioner is started and the first defrosting is finished, the control method of the air conditioner heating priority mode is executed.

According to the mode, after the air conditioner is started and the first defrosting is finished, the control method of the heating priority mode of the air conditioner is executed, the situations that the air conditioner is unstable in operation and the like can be avoided, and the accuracy is improved. Wherein, the condition such as air conditioner operation unstability is short like air conditioner start operation time, if outdoor environment temperature is lower this moment, can have the condition that the off-premises station has frosted, then air conditioner start operation, can appear getting into the defrosting promptly, and this kind of condition, the air conditioner can not be timely heats, causes user experience relatively poor.

The present invention also provides a control device of an air conditioner heating priority mode, which executes any one of the control methods described above, and includes:

a first execution module: the control device is used for controlling an external motor of the air conditioner to operate at a preset rotating speed r after the air conditioner enters a heating priority mode;

a first judgment module: for operating time t according to compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 1;

a second execution module: and the air conditioner is controlled to enter defrosting after meeting the defrosting entering condition 1.

The invention also provides an air conditioner, which comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises a processor, a memory, an indoor unit coil and a remote controller, and the outdoor unit comprises an outer motor, a compressor and an outer unit coil;

the processor is respectively connected with the storage medium, the inner machine coil, the remote controller, the outer motor, the compressor and the outer machine coil;

the remote controller is used for controlling the air conditioner to enter or exit a heating priority mode;

the memory includes a stored program, wherein the program executes any of the control methods described above;

the processor is configured to execute a program, wherein the program executes the control method according to any one of the above descriptions.

Optionally, the remote controller includes a "heating priority" key, and the "heating priority" key is operable only in the heating mode;

before the air conditioner does not enter the heating priority mode, pressing the heating priority key to control the air conditioner to enter the heating priority mode;

and after the air conditioner enters a heating priority mode, pressing the heating priority key to control the air conditioner to exit the heating priority mode, and operating the air conditioner in the heating mode.

Optionally, the remote controller includes a "heating priority" key, the "heating priority" key and the "heating" key are the same key, and the "heating priority" key is only operable in the heating mode;

before the air conditioner does not enter the heating priority mode, pressing the heating priority key for a long time for presetting time t₈Controlling the air conditioner to enter a heating priority mode;

after the air conditioner enters a heating priority mode, pressing the heating priority key for a long time for preset time t₉And controlling the air conditioner to exit the heating priority mode, and operating the air conditioner in the heating mode.

Other parts of the air conditioner are all the existing parts and are not described in detail herein.

Drawings

FIG. 1 is a flow chart illustrating a method for controlling a heating priority mode of an air conditioner according to the present invention;

FIG. 2 is a flowchart of a method for controlling the air-conditioning heat priority mode according to embodiment 1 of the present invention;

FIG. 3 is a flowchart of a method for controlling the air-conditioning heat priority mode according to embodiment 2 of the present invention;

FIG. 4 is a flowchart of a method for controlling the air-conditioning thermal priority mode according to embodiment 3 of the present invention;

fig. 5 is a flowchart of a control method of the air-conditioning thermal priority mode according to embodiment 4 of the present invention.

Description of reference numerals:

100-a first execution module; 200-a first judgment module; 300-second execution module.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1, the present invention provides a control method of a heating priority mode of an air conditioner, the control method comprising the steps of:

s1, controlling an external motor of the air conditioner to run at a preset rotating speed r after the air conditioner enters a heating priority mode;

s21, according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 1;

and S3, controlling the air conditioner to enter defrosting after the air conditioner meets the defrosting entering condition 1.

The invention provides a control method of an air conditioner heating priority mode; when the user does not select the heating priority mode, the air conditioner operates according to a conventional mode; when a user selects a heating priority mode, the air conditioner operates in the heating priority mode; after the air conditioner enters the heating priority mode, the running rotating speed of the external motor and the conditions of entering defrosting and exiting defrosting are controlled, so that the fluctuation of room temperature caused by frequent defrosting can be avoided, the heating running time is prolonged, and the user experience is improved.

The method comprises the following steps of controlling an external motor of the air conditioner to operate at a preset rotating speed r in the preset rotating speed r as the highest rotating speed of the external motor in the current air conditioner.

In some embodiments, the defrosting entry condition 1 is that the following conditions are satisfied simultaneously:

cumulative heating operation time t of compressor_{Pressure accumulation}And a predetermined time t₁Satisfies the following conditions: t is t_{Pressure accumulation}≥t₁；

Outdoor coil temperature T_{Outer plate}And a predetermined temperature T₁Satisfies the following conditions: t is_{Outer plate}≤T₁；

Temperature difference Δ T_{Outer ring-outer disc}And a predetermined temperature T₂+ an satisfies: delta T_{Outer ring-outer disc}≥T₂+ an; wherein the temperature difference is Delta T_{Outer ring-outer disc}Is the outdoor ambient temperature T_{Outer ring}Temperature T of outdoor coil_{Outer plate}The temperature difference therebetween.

This way, by adjusting the defrosting entry condition 1, in particular by the continuous running time t of the compressor_{Press-connecting}Outdoor coil temperature T_{Outer plate}And temperature difference Δ T_{Outer ring-outer disc}The parameters are adjusted, so that frequent defrosting is avoided, and the heating running time is prolonged.

Wherein the preset time t₁The value range of (A) is preferably as follows: t is less than or equal to 40min₁≤60min。

Preset temperature T₁The value range of (A) is preferably as follows: t is not less than-3 DEG C₁≤6℃。

Preset temperature T₂+ an middle T₂The value range of (A) is preferably as follows: t is not less than 6 DEG C₂Less than or equal to 12 ℃; the value range of a in an is as follows: n is more than or equal to 1 and less than or equal to 3, and the value range of n is preferably as follows: n is more than or equal to 0.5 ℃ and less than or equal to 2.5 ℃.

The selection of the parameters is proved by practice to avoid frequent defrosting and prolong the heating running time.

In order to verify the specific parameters and the stage effect generated by the specific operation steps in the defrosting entry condition 1, and to determine whether the specific parameters and the specific operation steps entering the defrosting next time are updated, in the embodiment, the control method includes the following steps:

calculating the defrosting period t of the air conditioner_{Defrosting cream}Average value W of inner heating effect_i；

According to the average value W of heating effect_iControlling whether the air conditioner is updated to defrost into a condition 1;

wherein, the defrosting period t_{Defrosting cream}For calculating the time t of the air conditioner exiting defrosting in the current defrosting period_{Quitting defrosting in the current defrosting period}And the time t of the last defrosting cycle for exiting defrosting_{Defrosting is quitted in the period of defrosting}The difference between the values of the two signals,

t_{defrosting cream}＝t_{Quitting defrosting in the current defrosting period}-t_{Defrosting is quitted in the period of defrosting}。

In this way, the average value W of the heating effect is obtained_iWhether the air conditioner is updated to the defrosting entry condition 1 or not is controlled, the specific parameters and the specific operation steps in the defrosting entry condition 1 can be dynamically updated, and the fluctuation of the room temperature caused by frequent defrosting is further avoided.

In the present embodiment, the average heating effect value W_iComprises the following steps:

in the defrosting period t_{Defrosting cream}Within, every preset time t₂Detecting indoor coil temperature T_{Inner disc j}；

Calculating average value W of heating effect_iThe values of (A) are:

wherein, average value W of heating effect_iWherein i is an integer of 1 or more.

T_{Inner disc j}Wherein j is an integer of 1 or more.

Preset time t₂The value of (A) is preferably: t is not more than 1s₂≤10s。

In the present embodiment, "average value W by heating effect_iAnd controlling whether the air conditioner is updated to be defrosted to enter the condition 1' or not, comprising the following steps of:

when the preset temperature T is₂When the value of an in + an is less than the preset value b, the method comprises the following steps:

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i≥W_i-1And controlling the air conditioner to update the defrosting to enter the condition 1, and controlling the average value W of the heating effect of the next period of the air conditioner operation_i+1The corresponding defrosting enters the condition 1;

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i＜W_i-1And controlling the air conditioner not to update defrosting entering conditions 1, and controlling the average value W of the heating effect of the air conditioner in the previous period of operation_i-1The corresponding defrosting enters the condition 1;

when the preset temperature T is₂When the value of an in + an is equal to the preset value b, the method comprises the following steps:

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i≥W_i-1And controlling the air conditioner to update the defrosting to enter the condition 1, and controlling the average heating effect value W of the current period of the operation of the air conditioner_iThe corresponding defrosting enters the condition 1;

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i＜W_i-1Time, controlControlling the average value W of the heating effect of the air conditioner in the previous period of operation without updating the defrosting entering condition 1_i-1The corresponding defrost entered condition 1.

The above-mentioned pair is based on the average value W of heating effect_iAnd whether the air conditioner updates the setting and the specific operation steps of the specific parameters in the defrosting entry condition 1' or not is controlled, the updated heating average effect and the heating average effect before updating can be compared after the specific parameters in the defrosting entry condition 1 are updated, and when the updated heating effect is better, the parameters are further updated so as to prolong the time for entering the defrosting, obtain a more stable indoor heating effect, and further improve the user experience.

Wherein the maximum value of the preset value b is 6 ℃. Practice proves that when the maximum value of the preset value b exceeds 6 ℃, the situation that frosting actually occurs but the frosting does not occur occurs, and the situation can affect the heat exchange efficiency; by setting the maximum value of the preset value b, the situation can be effectively avoided.

The invention further provides a defrosting entry condition 2 and a defrosting entry condition 3 in addition to a defrosting entry condition 1, and specifically, after the air conditioner enters a heating priority mode and an external motor of the air conditioner is controlled to run at a preset rotating speed r, the control method comprises the following steps:

according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 2;

when the air conditioner meets the defrosting entry condition 2, controlling the air conditioner to enter defrosting;

wherein the defrosting entry condition 2 is that the following conditions are simultaneously satisfied:

cumulative heating operation time t of compressor_{Pressure accumulation}And a predetermined time t₃Satisfies the following conditions: t is t_{Pressure accumulation}≥t₃Wherein, t₃>t₁；

Outdoor ambient temperature T_{Outer ring}And a predetermined temperature T₃Satisfies the following conditions: t is_{Outer ring}≤T₃；

Outdoor coil temperature T_{Outer plate}And a predetermined temperature T₄Satisfies the following conditions: t is_{Outer plate}≤T₄。

Wherein the preset time t₃The value range of (A) is preferably as follows: t is more than or equal to 2h₃≤3h；

Preset temperature T₃The value range of (A) is preferably as follows: t is more than or equal to minus 20 DEG C₃≤-5℃；

Preset temperature T₄The value range of (A) is preferably as follows: t is more than or equal to minus 25 DEG C₄≤-15℃。

According to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry conditions 3;

when the air conditioner meets a defrosting entering condition 3, controlling the air conditioner to enter defrosting;

wherein the defrosting entry condition 3 is that the following conditions are simultaneously satisfied:

current operating frequency f of the compressor_{Press and press}And the preset frequency f meets the following conditions: f. of_{Press and press}F is less than or equal to f; and the continuous running time t of the compressor under the condition_{Press-connecting}And a predetermined time t₄Satisfies the following conditions: t is t_{Press-connecting}≥t₄；

Outdoor ambient temperature T_{Outer ring}And a predetermined temperature T₅Satisfies the following conditions: t is_{Outer ring}≤T₅(ii) a And the outdoor ambient temperature T_{Outer ring}Under the condition for a preset time t₅；

Outdoor coil temperature T_{Outer plate}And a predetermined temperature T₆Satisfies the following conditions: t is_{Outer plate}＜T₆。

The value range of the preset frequency f is preferably as follows: f is more than or equal to 40Hz and less than or equal to 50 Hz;

preset time t₄The value range of (A) is preferably as follows: t is more than or equal to 1.5h₄≤2.5h；

Preset temperature T₅The value range of (A) is preferably as follows: t is not less than 1 DEG C₅≤10℃；

Preset time t₅Preferably, the value range ofComprises the following steps: t is more than or equal to 2h₄≤3h；

Preset temperature T₆The value range of (A) is preferably as follows: t is more than or equal to minus 5 DEG C₆≤-5℃。

In the defrosting entry condition 1, the defrosting entry condition 2 and the defrosting entry condition 3, after the air conditioner is controlled to operate at the preset rotation speed r after entering the heating priority mode, one of the defrosting entry condition 1, the defrosting entry condition 2 and the defrosting entry condition 3 is met, that is, the air conditioner is controlled to enter defrosting.

In some embodiments, after the air conditioner is started and the first defrosting is finished, the control method of the heating priority mode of the air conditioner is executed.

According to the mode, after the air conditioner is started and the first defrosting is finished, the control method of the heating priority mode of the air conditioner is executed, the situations that the air conditioner is unstable in operation and the like can be avoided, and the accuracy is improved. Wherein, the condition such as air conditioner operation unstability is short like air conditioner start operation time, if outdoor environment temperature is lower this moment, can have the condition that the off-premises station has frosted, then air conditioner start operation, can appear getting into the defrosting promptly, and this kind of condition, the air conditioner can not be timely heats, causes user experience relatively poor.

The defrosting exit condition in the present invention may be the existing defrosting exit condition, or may be the defrosting exit condition provided in the present embodiment.

The defrosting exit condition provided by the embodiment is as follows:

when the air conditioner operation parameter meets any one of the following conditions, controlling the air conditioner to quit defrosting:

1) if the accumulated running time t of the compressor before defrosting_{Before pressure accumulation and defrosting}And a predetermined time t₁₀Satisfies the following relationship: t is t_{Before pressure accumulation and defrosting}＞t₁₀And defrosting continues for a running time t_{Pressing and holding}And a predetermined time t₁₁Satisfies the following relationship: t is t_{Pressing and holding}≥t₁₁；

Wherein, t₁₀The value range of (A) is preferably as follows: t is less than or equal to 25min₁₀≤45min；

Preset time t₁₁For exiting the longest defrosting operationTime, preset time t₁₁The value range of (A) is preferably as follows: t is less than or equal to 10min₁₁≤15min；

2) If the accumulated running time t of the compressor before defrosting_{Before pressure accumulation and defrosting}And a predetermined time t₁₀Satisfies the following relationship: t is t_{Before pressure accumulation and defrosting}≤t₁₀And defrosting continues for a running time t_{Pressing and holding}And a predetermined time t₁₂Satisfies the following relationship: t is t_{Pressing and holding}≥t₁₂；

Wherein, t₁₂The value range of (A) is preferably as follows: t is less than or equal to 6min₁₂≤8min。

3) Outdoor coil temperature T after air conditioner quits defrosting_{After external disk-defrosting}And a predetermined temperature T₁₀Satisfies the following relationship: t is_{Outer plate}≥T₁₀And the state lasts for a time t_{Hand holder}And a predetermined time t₁₃Satisfies the following relationship: t is t_{Hand holder}≥t₁₃；

Wherein the preset temperature T₁₀The value range of (A) is preferably as follows: t is not less than 10 DEG C₁₀Not more than 15 ℃ and preset time t₁₃The value range of (A) is preferably as follows: t is less than or equal to 9min₁₃≤11min。

Example 1

As shown in fig. 2, the present invention provides a control method of a heating priority mode of an air conditioner, the control method comprising the steps of:

s1, after the air conditioner enters the heating priority mode, controlling an external motor of the air conditioner to operate at the highest rotating speed of the external motor in the current air conditioner;

s211, according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 1; the method specifically comprises the following steps:

detecting the accumulated heating operation time t of the compressor after the air conditioner enters the heating priority mode_{Pressure accumulation}Judging the accumulated heating operation time t of the compressor_{Pressure accumulation}And a predetermined time t₁Whether or not: t is t_{Pressure accumulation}≥t₁；

After the air conditioner enters a heating priority mode, the temperature T of the outdoor coil is detected_{Outer plate}Judging the outdoor coil temperature T_{Outer plate}And a predetermined temperature T₁Whether or not: t is_{Outer plate}≤T₁；

Detecting the outdoor ambient temperature T after the air conditioner enters the heating priority mode_{Outer ring}Calculating the outdoor ambient temperature T_{Outer ring}Temperature T of outdoor coil_{Outer plate}Temperature difference Δ T therebetween_{Outer ring-outer disc}＝T_{Outer ring}-T_{Outer plate}Judging the temperature difference DeltaT_{Outer ring-outer disc}And a predetermined temperature T₂Whether or not + an satisfies: delta T_{Outer ring-outer disc}≥T₂+ an; wherein, the value of a is 1, the value of n is 2, and the an is 2 ℃;

s31, when the air conditioner satisfies the following conditions,

t_{pressure accumulation}≥t₁；

T_{Outer plate}≤T₁；

ΔT_{Outer ring-outer disc}≥T₂+an；

Controlling the air conditioner to defrost;

s41, judging whether the air conditioner meets the defrosting exit condition;

and S51, controlling the air conditioner to quit defrosting after the air conditioner meets the defrosting quit condition.

Example 2

As shown in fig. 3, the present invention provides a control method of a heating priority mode of an air conditioner, the control method comprising the steps of:

s1, after the air conditioner enters the heating priority mode, controlling an external motor of the air conditioner to operate at the highest rotating speed of the external motor in the current air conditioner;

s21, according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 1; the method specifically comprises the following steps:

detecting the accumulated heating operation time t of the compressor after the air conditioner enters the heating priority mode_{Pressure accumulation}Judging the accumulated heating operation time t of the compressor_{Pressure accumulation}And a predetermined time t₁Whether or not: t is t_{Pressure accumulation}≥t₁；

After the air conditioner enters a heating priority mode, the temperature T of the outdoor coil is detected_{Outer plate}Judging the outdoor coil temperature T_{Outer plate}And a predetermined temperature T₁Whether or not: t is_{Outer plate}≤T₁；

Detecting the outdoor ambient temperature T after the air conditioner enters the heating priority mode_{Outer ring}Calculating the outdoor ambient temperature T_{Outer ring}Temperature T of outdoor coil_{Outer plate}Temperature difference Δ T therebetween_{Outer ring-outer disc}＝T_{Outer ring}-T_{Outer plate}Judging the temperature difference DeltaT_{Outer ring-outer disc}And a predetermined temperature T₂Whether or not + an satisfies: delta T_{Outer ring-outer disc}≥T₂+ an; wherein, the value of a is 1, the value of n is 2, and the an is 2 ℃;

s31, when the air conditioner satisfies the following conditions,

t_{pressure accumulation}≥t₁；

T_{Outer plate}≤T₁；

ΔT_{Outer ring-outer disc}≥T₂+2；

Controlling the air conditioner to enter defrosting 1;

s41, judging whether the air conditioner meets the defrosting exit condition;

s51, when the air conditioner meets the defrosting exit condition, controlling the air conditioner to exit defrosting;

s61, calculating the defrosting period t of the air conditioner_{Defrosting cream}Average value W of inner heating effect₁；

S212, according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry conditions or not; the method specifically comprises the following steps:

detecting an accumulated heating operation time t of a compressor_{Pressure accumulation}Judging the accumulated heating operation time t of the compressor_{Pressure accumulation}And a predetermined time t₁Whether or not: t is t_{Pressure accumulation}≥t₁；

Detecting outdoor coil temperature T_{Outer plate}Judging the outdoor coil temperature T_{Outer plate}And a predetermined temperature T₁Whether or not: t is_{Outer plate}≤T₁；

Detecting outdoor ambient temperature T_{Outer ring}Calculating the outdoor ambient temperature T_{Outer ring}Temperature T of outdoor coil_{Outer plate}Temperature difference Δ T therebetween_{Outer ring-outer disc}＝T_{Outer ring}-T_{Outer plate}Judging the temperature difference DeltaT_{Outer ring-outer disc}And a predetermined temperature T₂Whether or not + an satisfies: delta T_{Outer ring-outer disc}≥T₂+ an; wherein, the value of a is 2, the value of n is 2, and the an is 4 ℃;

s32, when the air conditioner satisfies the following conditions,

t_{pressure accumulation}≥t₁；

T_{Outer plate}≤T₁；

ΔT_{Outer ring-outer disc}≥T₂+an；

Controlling the air conditioner to enter defrosting 2;

s42, judging whether the air conditioner meets the defrosting exit condition;

and S52, controlling the air conditioner to exit the defrosting mode 2 after the air conditioner meets the defrosting exit condition.

S62, calculating the defrosting period t of the air conditioner_{Defrosting cream}Average value W of inner heating effect₂；

S72, judging T₂In + an, whether the value of an is smaller than a preset value b is judged, the value of an at the moment is 4 ℃, and the value of the preset value b is 6 ℃; thus 4<6, i.e. an<b；

S82, judging average value W of heating effect₁And average value W of heating effect₂Whether or not the relationship of (1) satisfies: w₂≥W₁；

When W is₂≥W₁Step S23 is executed; when W is₂<W₁Returning to step S21;

s213, according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 1; the method specifically comprises the following steps:

detecting an accumulated heating operation time t of a compressor_{Pressure accumulation}Judgment of pressureAccumulated heating operation time t of compressor_{Pressure accumulation}And a predetermined time t₁Whether or not: t is t_{Pressure accumulation}≥t₁；

Detecting outdoor coil temperature T_{Outer plate}Judging the outdoor coil temperature T_{Outer plate}And a predetermined temperature T₁Whether or not: t is_{Outer plate}≤T₁；

Detecting outdoor ambient temperature T_{Outer ring}Calculating the outdoor ambient temperature T_{Outer ring}Temperature T of outdoor coil_{Outer plate}Temperature difference Δ T therebetween_{Outer ring-outer disc}＝T_{Outer ring}-T_{Outer plate}Judging the temperature difference DeltaT_{Outer ring-outer disc}And a predetermined temperature T₂Whether or not + an satisfies: delta T_{Outer ring-outer disc}≥T₂+ an; wherein, the value of a is 3, the value of n is 2, and the an is 6 ℃;

s33, when the air conditioner satisfies the following conditions,

t_{pressure accumulation}≥t₁；

T_{Outer plate}≤T₁；

ΔT_{Outer ring-outer disc}≥T₂+an；

Controlling the air conditioner to defrost;

s43, judging whether the air conditioner meets the defrosting exit condition;

and S53, controlling the air conditioner to quit defrosting after the air conditioner meets the defrosting quit condition.

S63, calculating the defrosting period t of the air conditioner_{Defrosting cream}Average value W of inner heating effect₃；

S73, judging T₂In + an, whether the value of an is smaller than a preset value b is judged, the value of an at the moment is 6 ℃, and the value of the preset value b is 6 ℃; thus 6 ═ 6, i.e., an ═ b;

s83, judging average value W of heating effect₁And average value W of heating effect₂Whether or not the relationship of (1) satisfies:

W₃≥W₂；

when W is₃≥W₂If yes, return to step S23; when W is₂<W₁If yes, return to step S22;

example 3

As shown in fig. 4, on the basis of embodiment 2, embodiment 3 further includes, between step S1 and step S21, step S20 to step S50; the method specifically comprises the following steps:

s20, according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry conditions or not; the method specifically comprises the following steps:

detecting the accumulated heating operation time t of the compressor after the air conditioner enters the heating priority mode_{Pressure accumulation}Judging the accumulated heating operation time t of the compressor_{Pressure accumulation}And a predetermined time t₁Whether or not: t is t_{Pressure accumulation}≥t₁；

After the air conditioner enters a heating priority mode, the temperature T of the outdoor coil is detected_{Outer plate}Judging the outdoor coil temperature T_{Outer plate}And a predetermined temperature T₁Whether or not: t is_{Outer plate}≤T₁；

Detecting the outdoor ambient temperature T after the air conditioner enters the heating priority mode_{Outer ring}Calculating the outdoor ambient temperature T_{Outer ring}Temperature T of outdoor coil_{Outer plate}Temperature difference Δ T therebetween_{Outer ring-outer disc}＝T_{Outer ring}-T_{Outer plate}Judging the temperature difference DeltaT_{Outer ring-outer disc}And a predetermined temperature T₂Whether or not + an satisfies: delta T_{Outer ring-outer disc}≥T₂+ an; wherein, the value of a is 1, the value of n is 2, and the an is 2 ℃;

s30, when the air conditioner satisfies the following conditions,

t_{pressure accumulation}≥t₁；

T_{Outer plate}≤T₁；

ΔT_{Outer ring-outer disc}≥T₂+an；

Controlling the air conditioner to enter defrosting 0;

s40, judging whether the air conditioner meets the defrosting exit condition;

and S50, when the air conditioner meets the defrosting exit condition, controlling the air conditioner to exit defrosting 0.

Example 4

As shown in fig. 5, on the basis of any of embodiments 1 to 3, after step S1, "after the air conditioner enters the heating priority mode, the external motor of the air conditioner is controlled to operate at the highest rotation speed of the external motor in the current air conditioner," it is determined whether the operating parameters and/or the environmental parameters of the air conditioner satisfy the defrosting entry condition 1, the defrosting entry condition 2, or the defrosting entry condition 3, and when the air conditioner satisfies one of the defrosting entry condition 1, the defrosting entry condition 2, and the defrosting entry condition 3, the air conditioner is controlled to enter the defrosting mode, the control method includes the following steps:

s1, after the air conditioner enters the heating priority mode, controlling an external motor of the air conditioner to operate at the highest rotating speed of the external motor in the current air conditioner;

s2, judging whether the operation parameters and/or the environmental parameters of the air conditioner meet the defrosting entrance condition 1, the defrosting entrance condition 2 or the defrosting entrance condition 3;

s21, judging whether the operation parameters and/or the environmental parameters of the air conditioner meet the defrosting entry condition 1;

defrosting entry condition 1 is as described in any one of examples 1-3;

s22, judging whether the operation parameters and/or the environmental parameters of the air conditioner meet the defrosting entry condition 2;

the defrosting entry condition 2 is specifically as follows:

detecting an accumulated heating operation time t of a compressor_{Pressure accumulation}Judging the accumulated heating operation time t of the compressor_{Pressure accumulation}And a predetermined time t₃Whether or not: t is t_{Pressure accumulation}≥t₃；

Detecting outdoor ambient temperature T_{Outer ring}Judging the outdoor ambient temperature T_{Outer ring}And a predetermined temperature T₃Whether or not: t is_{Outer ring}≤T₃；

Detecting outdoor coil temperature T_{Outer plate}Judging the outdoor coil temperature T_{Outer plate}And a predetermined temperature T₄Whether or not: t is_{Outer plate}≤T₄；

S23, judging whether the operation parameters and/or the environmental parameters of the air conditioner meet the defrosting entrance condition 3;

the defrosting entry condition 3 is specifically as follows:

detecting the current operating frequency f of the compressor_{Press and press}And the continuous running time t of the compressor under the condition_{Press-connecting}(ii) a Judging the current operating frequency f of the compressor_{Press and press}And whether the preset frequency f meets the following conditions: f. of_{Press and press}F is less than or equal to f; and the continuous running time t of the compressor under the condition_{Press-connecting}And a predetermined time t₄Whether or not: t is t_{Press-connecting}≥t₄；

Detecting outdoor ambient temperature T_{Outer ring}And under this condition for a preset time t₅(ii) a Judging outdoor environment temperature T_{Outer ring}And a predetermined temperature T₅Whether or not: t is_{Outer ring}≤T₅And outdoor ambient temperature T_{Outer ring}Whether or not the preset time t lasts under the condition₅；

Detecting outdoor coil temperature T_{Outer plate}Judging the outdoor coil temperature T_{Outer plate}And a predetermined temperature T₆Whether or not: t is_{Outer plate}＜T₆；

S3, when the operating parameters and/or the environmental parameters of the air conditioner meet the defrosting entry condition 1, the defrosting entry condition 2 or the defrosting entry condition 3, controlling the air conditioner to enter defrosting;

in the above, the calculation of the defrosting period t of the air conditioner is performed only when the operating parameters and/or the environmental parameters of the air conditioner meet the defrosting entry condition 1 and the air conditioner enters defrosting_{Defrosting cream}Average value W of inner heating effect_i(ii) a When the operating parameters and/or the environmental parameters of the air conditioner meet the defrosting entry condition 2 or the defrosting entry condition 3, and the air conditioner enters defrosting, the calculation of the defrosting period t of the air conditioner is not carried out_{Defrosting cream}Average value W of inner heating effect_i；

S4, judging whether the air conditioner meets the defrosting exit condition;

and S5, controlling the air conditioner to quit defrosting after the air conditioner meets the defrosting quit condition.

Example 5

The present invention also provides a control device of an air conditioner heating priority mode, which executes any one of the above control methods, and includes:

the first execution module 100: the control device is used for controlling an external motor of the air conditioner to run at a preset rotating speed r after the air conditioner enters a heating priority mode;

the first judging module 200: for operating time t according to compressor of air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 1;

the second execution module 300: and the air conditioner is controlled to enter defrosting after meeting the defrosting entering condition 1.

Example 6

The invention also provides an air conditioner, which comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises a processor, a memory, an indoor unit coil and a remote controller;

the processor is respectively connected with the storage medium, the inner machine coil, the remote controller, the outer motor, the compressor and the outer machine coil;

the remote controller is used for controlling the air conditioner to enter or exit a heating priority mode;

the memory includes a stored program, wherein the program executes the control method of any one of the above;

the processor is used for running a program, wherein the program executes the control method of any one of the above items when running.

In this embodiment, the keys of the remote controller provide two ways:

the first one is: the remote controller comprises a 'heating priority' key, and the 'heating priority' key is only operable in a heating mode;

before the air conditioner does not enter the heating priority mode, pressing a 'heating priority' key to control the air conditioner to enter the heating priority mode;

and when the air conditioner enters the heating priority mode, pressing a heating priority key to control the air conditioner to exit the heating priority mode and the air conditioner to run in the heating mode.

The second method is as follows: the remote controller comprises a 'heating priority' key, the 'heating priority' key and the 'heating' key are the same key, and the 'heating priority' key can be operated only in a heating mode;

before the air conditioner does not enter the heating priority mode, the heating priority key is pressed for a long time for presetting time t₈Controlling the air conditioner to enter a heating priority mode;

after the air conditioner enters a heating priority mode, pressing a heating priority key for a long time for preset time t₉And controlling the air conditioner to exit the heating priority mode and the air conditioner to run in the heating mode.

Wherein the preset time t₈Value of and preset time t₉The values of (A) may be the same or different; preset time t₈The value range of (A) is preferably as follows: t is not more than 1s₈Less than or equal to 10 s; preset time t₉The value range of (A) is preferably as follows: t is not more than 1s₉≤10s。

Other parts of the air conditioner are all the existing parts and are not described in detail herein.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (15)

1. The control method of the air conditioner heating priority mode is characterized in that: the control method comprises the following steps:

after the air conditioner enters a heating priority mode, controlling an external motor of the air conditioner to operate at a preset rotating speed r;

according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 1;

and when the air conditioner meets the defrosting entering condition 1, controlling the air conditioner to enter defrosting.

2. The control method according to claim 1, characterized in that: the defrosting entry condition 1 is that the following conditions are simultaneously satisfied:

cumulative heating operation time t of the compressor_{Pressure accumulation}And a predetermined time t₁Satisfies the following conditions: t is t_{Pressure accumulation}≥t₁；

The outdoor coil temperature T_{Outer plate}And a predetermined temperature T₁Satisfies the following conditions: t is_{Outer plate}≤T₁；

Temperature difference Δ T_{Outer ring-outer disc}And a predetermined temperature T₂+ n satisfies: delta T_{Outer ring-outer disc}≥T₂+ an; wherein the temperature difference Δ T_{Outer ring-outer disc}For the outdoor ambient temperature T_{Outer ring}And the outdoor coil temperature T_{Outer plate}The temperature difference therebetween.

3. The control method according to claim 2, characterized in that: the value range of a in the an is as follows: n is more than or equal to 1 and less than or equal to 3, and the value range of n is as follows: n is more than or equal to 0.5 ℃ and less than or equal to 2.5 ℃.

4. The control method according to claim 2, characterized in that: the control method comprises the following steps:

calculating the defrosting period t of the air conditioner_{Defrosting cream}Average value W of inner heating effect_i；

According to the average value W of the heating effect_iControlling whether the air conditioner updates the defrosting entry condition 1;

wherein the defrosting period t_{Defrosting cream}Calculating the time t for the current defrosting period of the air conditioner to quit defrosting_{Quitting defrosting in the current defrosting period}And the time t of the last defrosting cycle for exiting defrosting_{Defrosting is quitted in the period of defrosting}The difference between the values of the two signals,

t_{defrosting cream}＝t_{Quitting defrosting in the current defrosting period}-t_{Defrosting is quitted in the period of defrosting}。

5. The control method according to claim 4, characterized in that: average value W of heating effect_iComprises the following steps:

in the defrosting period t_{Defrosting cream}Within, every preset time t₂Detecting indoor coil temperature T_{Inner disc j}；

Calculating average value W of heating effect_iThe values of (A) are:

6. the control method according to claim 4, characterized in that: when the power is off or the air conditioner switches the operation mode, recalculating the average heating effect value W_i。

7. The control method according to claim 4, characterized in that: said "according to the average value W of the heating effect_iAnd controlling whether the air conditioner updates the defrosting entry condition 1 "or not, comprising the steps of:

when the preset temperature T is₂When the value of an in + an is less than the preset value b, the method comprises the following steps:

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i≥W_i-1And controlling the air conditioner to update the defrosting entering condition 1 and controlling the heating effect average value W of the next period of the air conditioner operation_i+1The corresponding defrosting enters the condition 1;

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i＜W_i-1And controlling the air conditioner not to update the defrosting entering condition 1, and controlling the average value W of the heating effect of the air conditioner in the previous period of operation_i-1The corresponding defrosting enters the condition 1;

when the preset temperature T is₂When the value of an in + an is equal to the preset value b, the method comprises the following steps:

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i≥W_i-1And controlling the air conditioner to update the defrosting entering condition 1, and controlling the average heating effect value W of the air conditioner in the current running period_iCorresponding defrosting entryCondition 1;

average value W of heating effect in current period_iAverage value W of heating effect of previous period_i-1Satisfies the following conditions: w_i＜W_i-1And controlling the air conditioner not to update the defrosting entering condition 1, and controlling the average value W of the heating effect of the air conditioner in the previous period of operation_i-1The corresponding defrost entered condition 1.

8. The control method according to claim 7, characterized in that: the maximum value of the preset value b is 6 ℃.

9. The control method according to claim 1, characterized in that: after the step of controlling the external motor of the air conditioner to run at a preset rotating speed r after the air conditioner enters the heating priority mode, the control method comprises the following steps:

according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 2;

when the air conditioner meets the defrosting entry condition 2, controlling the air conditioner to enter defrosting;

wherein the defrosting entry condition 2 is that the following conditions are simultaneously satisfied:

cumulative heating operation time t of the compressor_{Pressure accumulation}And a predetermined time t₃Satisfies the following conditions: t is t_{Pressure accumulation}≥t₃Wherein, t₃>t₁；

The outdoor ambient temperature T_{Outer ring}And a predetermined temperature T₃Satisfies the following conditions: t is_{Outer ring}≤T₃；

The outdoor coil temperature T_{Outer plate}And a predetermined temperature T₄Satisfies the following conditions: t is_{Outer plate}≤T₄。

10. The control method according to claim 1, characterized in that: after the step of controlling the external motor of the air conditioner to run at a preset rotating speed r after the air conditioner enters the heating priority mode, the control method comprises the following steps:

according to the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoor ambient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry conditions 3;

when the air conditioner meets a defrosting entering condition 3, controlling the air conditioner to enter defrosting;

wherein the defrosting entry condition 3 is that the following conditions are simultaneously satisfied:

current operating frequency f of the compressor_{Press and press}And the preset frequency f meets the following conditions: f. of_{Press and press}F is less than or equal to f; and the continuous running time t of the compressor under the condition_{Press-connecting}And a predetermined time t₄Satisfies the following conditions: t is t_{Press-connecting}≥t₄；

The outdoor ambient temperature T_{Outer ring}And a predetermined temperature T₅Satisfies the following conditions: t is_{Outer ring}≤T₅(ii) a And the outdoor ambient temperature T_{Outer ring}Under the condition for a preset time t₅；

The outdoor coil temperature T_{Outer plate}And a predetermined temperature T₆Satisfies the following conditions: t is_{Outer plate}＜T₆。

11. The control method according to claim 1, characterized in that: and after the air conditioner is started and the first defrosting is finished, executing the control method of the heating priority mode of the air conditioner.

12. The control device of the air conditioner heating priority mode is characterized in that: performing the control method of any one of claims 1-11, comprising:

first execution module (100): the first execution module (100) is used for controlling an external motor of the air conditioner to operate at a preset rotating speed r after the air conditioner enters a heating priority mode;

first judging module (200): the first judgment module (200) is used for judging the running time t of the compressor of the air conditioner_{Press and press}Outdoor coil temperature T_{Outer plate}And outdoorsAmbient temperature T_{Outer ring}Judging whether the air conditioner meets defrosting entry condition 1;

a second execution module (300): the second execution module (300) is used for controlling the air conditioner to enter defrosting after the air conditioner meets the defrosting entering condition 1.

13. An air conditioner, characterized in that: the indoor unit comprises a processor, a memory, an indoor unit coil and a remote controller, and the outdoor unit comprises an outer motor, a compressor and an outer unit coil;

the processor is respectively connected with the storage medium, the inner machine coil, the remote controller, the outer motor, the compressor and the outer machine coil;

the remote controller is used for controlling the air conditioner to enter or exit a heating priority mode;

the memory includes a stored program, wherein the program executes the control method of any one of claims 1-11;

the processor is configured to execute a program, wherein the program executes the control method according to any one of claims 1 to 11.

14. The air conditioner according to claim 13, wherein: the remote controller comprises a heating priority key, and the heating priority key is only operable in a heating mode;

before the air conditioner does not enter the heating priority mode, pressing the heating priority key to control the air conditioner to enter the heating priority mode;

and after the air conditioner enters a heating priority mode, pressing the heating priority key to control the air conditioner to exit the heating priority mode, and operating the air conditioner in the heating mode.

15. The air conditioner according to claim 13, wherein: the remote controller comprises a heating priority key, the heating priority key and the heating key are the same key, and the heating priority key can be operated only in a heating mode;

before the air conditioner does not enter the heating priority mode, pressing the heating priority key for a long time for presetting time t₈Controlling the air conditioner to enter a heating priority mode;

after the air conditioner enters a heating priority mode, pressing the heating priority key for a long time for preset time t₉And controlling the air conditioner to exit the heating priority mode, and operating the air conditioner in the heating mode.