CN113007857A - Operation control method and device for electric heater of air conditioner, air conditioner and computer readable storage medium - Google Patents

Abstract

The invention provides an air conditioner electric heater operation control method and device, an air conditioner and a computer readable storage medium, and relates to the technical field of air conditioners. The method comprises the following steps: under the condition of receiving an electric heating starting instructionControlling the electric heater to start running; continuously operating the electric heater for a first time period t₁Then, if the running state of the air conditioner is detected to meet a first preset condition, controlling the electric heater to run continuously; if the running state of the air conditioner is detected to meet a second preset condition, controlling the electric heater to quit running; wherein, the first preset condition comprises: the first load condition: n is_{Inner part}≥n₁Wherein n is_{Inner part}The rotating speed of the indoor fan is set; first inner disc temperature condition: l is_{When in use}≤L₁And T_{Inner part}≤T₁Wherein L is_{When in use}For compressor current frequency fluctuations, T_{Inner part}Is the inner disc temperature. The method controls the judgment conditions of starting operation and quitting operation of the electric heating without depending on the detection of the external loop temperature, and has convenient control and high accuracy.

Description

Operation control method and device for electric heater of air conditioner, air conditioner and computer readable storage medium

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air conditioner electric heater operation control method and device, an air conditioner and a computer readable storage medium.

Background

At present, an electric heater is generally installed in a domestic air conditioner, and the electric heater is started to improve the heating capacity of the air conditioner under low-temperature operation so as to ensure the comfort of a user in using the air conditioner. However, in these air conditioners equipped with an electric heater, the control of the start and stop of the electric heater is dependent on the external environment temperature (abbreviated as outer ring temperature) detected by the temperature sensor to some extent, which causes the control to be inconvenient and less accurate, and therefore, if the outer ring temperature is not detected or the temperature sensor for detecting the outer ring temperature is removed, the control of the start and stop of the electric heater has a great defect.

Disclosure of Invention

The invention solves the problems that: the starting and stopping control of the electric heater in the existing air conditioner depends on the temperature of an outer ring, and the control is inconvenient and the accuracy is low.

In order to solve the above problems, in a first aspect, the present invention provides an operation control method for an electric heater of an air conditioner, the method comprising:

controlling the electric heater to start operation under the condition of receiving an electric heating starting instruction;

continuously operating the electric heater for a first time period t₁Then, if the running state of the air conditioner is detected to meet a first preset condition, controlling the electric heater to run continuously;

if the running state of the air conditioner is detected to meet a second preset condition, controlling the electric heater to quit running;

wherein, the first preset condition comprises:

the first load condition: n is_{Inner part}≥n₁Wherein n is_{Inner part}Is the indoor fan speed, n₁A first wind speed;

first inner disc temperature condition: l is_{When in use}≤L₁And T_{Inner part}≤T₁Wherein L is_{When in use}For compressor current frequency fluctuations, L₁Presetting the frequency fluctuation, T, for the compressor_{Inner part}Is inner disc temperature, T₁Is a preset temperature.

Firstly, under the condition of receiving an electric heating starting instruction, controlling the electric heater to start and continuously operate for a first time period t₁The air conditioner can directly respond to the requirement of a user on electric heating, and the experience of the user is improved;

secondly, in the judgment conditions of controlling the electric heating to start operation and quit operation, the detection of the external loop temperature is not relied on, and the control is convenient;

then, in the condition of controlling the continuous operation of the electric heater, the first load condition is defined, and the indoor fan rotating speed n can be prevented_{Inner part}The air outlet temperature is too high due to too low temperature, and the hot air blown out by the air conditioner is prevented from falling to the ground;

finally, in the condition of controlling the continuous operation of the electric heater, the temperature condition of the first inner disc is limited, so that the accuracy of controlling the continuous operation of the electric heater can be improved.

In an alternative embodiment, at n₁≤n_{Inner part}≤n₂Under the condition of (1), T₁＝T₂(ii) a At n₂<n_{Inner part}<n₃Under the condition of (1), T₁＝T₃(ii) a At n₃≤n_{Inner part}Under the condition of (1), T₁＝T₄(ii) a Wherein n is₁<n₂<n₃，T₂<T₃<T₄。

Thus, for the indoor fan rotating speed n_{Inner part}Further refining the interval range of (A), and setting corresponding inner disc temperature T for each interval range_{Inner part}The interval range of (2) can further improve the accuracy of control.

In an alternative embodiment, the first preset condition further comprises:

time conditions are as follows: in the refrigeration mode or the dehumidification mode, the continuous operation time of the compressor reaches a second time length t₂In the heating mode, the continuous operation time of the indoor fan reaches a third time t₃。

Therefore, the damage of the electric heater caused by rapid cooling or sudden heating after the air conditioner is switched to the heating mode from other modes can be prevented, and the damage caused by uneven temperature after the electric heater is started and condensation on the surface of the electric heater after the air conditioner is switched to the heating mode from the cooling mode can also be prevented.

In an alternative embodiment, the first preset condition further comprises:

first indoor thermal load condition: t is_{Inner ring}-T_{Is provided with}<T₅Wherein, T_{Inner ring}Is the inner ring temperature, T_{Is provided with}Setting the temperature, T, for the user₅Is a preset temperature.

Therefore, the electric heater can meet the first indoor heat load condition when continuously running, and the phenomenon that the frequency is reduced after the air conditioner quickly reaches the set temperature to cause the temperature T of the inner disc can be prevented_{Inner part}And decreases resulting in an erroneous control of the electric heater activation.

In an alternative embodiment, the first preset condition further comprises:

and (3) putting protection conditions: in the state where the electric heater is out of operation, T₆<T_{Inner ring}-T_{Is provided with}<T₅Current operating frequency fluctuation L of compressor_{When in use}Is maintained within the preset range for the fourth time length t₄And the electric heater is withdrawn from operation to restart operationThe time interval of the rows reaches a fifth duration t₅Wherein, T_{Inner ring}Is the inner ring temperature, T_{Is provided with}Setting the temperature, T, for the user₅、T₆Is a preset temperature.

Therefore, the continuous operation of the electric heater can meet the input protection condition, and the frequent starting or closing of the electric heater and the shortening of the service life of the electric heater caused by the overlarge temperature fluctuation can be prevented.

In an alternative embodiment, the second preset condition comprises at least one of:

signal conditions: receiving an electric heating stop instruction;

the second load condition is: n is_{Inner part}<n₁Stopping the compressor or stopping the indoor fan;

second inner pan temperature condition: t is_{Inner part}>T₁；

Second indoor thermal load condition: t is_{Inner ring}-T_{Is provided with}≥T₅Wherein, T_{Inner ring}Is the inner ring temperature, T_{Is provided with}Setting the temperature, T, for the user₅Is a preset temperature;

the operating mode conditions are as follows: and switching to a non-heating mode for operation.

Therefore, if the operation state of the air conditioner is detected to meet at least one of the second preset conditions, the electric heater is controlled to quit the operation, the control is convenient, the accuracy is high, the electric heater is prevented from being damaged, and the service life of the electric heater is ensured.

In an alternative embodiment, the method further comprises:

according to the temperature T of the inner disc under the condition that an electric heating starting instruction is not received_{Inner part}Outer disc temperature T_{Outer plate}And inner ring temperature T_{Inner ring}And controlling the electric heater to start operation or quit operation.

Thus, the air conditioner can be based on the temperature T of the inner plate_{Inner part}Outer disc temperature T_{Outer plate}And inner ring temperature T_{Inner ring}The automatic control electric heater starts the operation or withdraws from the operation, improves the intellectuality of air conditioner, promotes user's experience and feels.

In a second aspect, the present invention provides an operation control device for an electric heater of an air conditioner, the device comprising:

the signal receiving module is used for receiving an electric heating starting instruction;

a control module for controlling the electric heater to start operation according to the electric heating start instruction and continuously operating the electric heater for a first time period t₁Then, if the running state of the air conditioner is detected to meet a first preset condition, controlling the electric heater to run continuously; if the running state of the air conditioner is detected to meet a second preset condition, controlling the electric heater to quit running;

wherein, the first preset condition comprises:

the first load condition: n is_{Inner part}≥n₁Wherein n is_{Inner part}Is the indoor fan speed, n₁A first wind speed;

first inner disc temperature condition: l is_{When in use}≤L₁And T_{Inner part}≤T₁Wherein L is_{When in use}For compressor current frequency fluctuations, L₁Presetting the frequency fluctuation, T, for the compressor_{Inner part}Is inner disc temperature, T₁Is a preset temperature.

In a third aspect, the present invention provides an air conditioner comprising:

an electric heater;

the controller is electrically connected with the electric heater and is used for controlling the electric heater to start and operate under the condition of receiving an electric heating starting instruction; continuously operating the electric heater for a first time period t₁Then, if the running state of the air conditioner is detected to meet a first preset condition, controlling the electric heater to run continuously; if the running state of the air conditioner is detected to meet a second preset condition, controlling the electric heater to quit running;

wherein, the first preset condition comprises:

the first load condition: n is_{Inner part}≥n₁Wherein n is_{Inner part}Is the indoor fan speed, n₁A first wind speed;

first inner disc temperature condition: l is_{When in use}≤L₁And T_{Inner part}≤T₁Wherein L is_{When in use}For compressor current frequency fluctuations, L₁Presetting the frequency fluctuation, T, for the compressor_{Inner part}Is inner disc temperature, T₁Is a preset temperature.

In a fourth aspect, the present invention provides a computer readable storage medium storing a program, which is readable by a processor and is configured to perform the method of any one of the preceding embodiments.

Drawings

Fig. 1 is a flowchart of an operation control method of an electric heater of an air conditioner according to a first embodiment of the present invention;

fig. 2 is a block diagram showing the components of an operation control device for an electric heater of an air conditioner according to a second embodiment of the present invention;

fig. 3 is a block diagram of an air conditioner according to a second embodiment of the present invention.

Description of reference numerals:

1-an operation control device of an air conditioner electric heater; 11-a signal receiving module; 12-a control module; 2-an air conditioner; 21-an electric heater; 22-a controller.

Detailed Description

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

First embodiment

Referring to fig. 1, the present embodiment provides an operation control method for an electric heater of an air conditioner, including the following steps:

s1: and under the heating mode, judging whether an electric heating starting instruction is received or not.

The electric heating starting instruction can be sent to the controller of the air conditioner by a user through a remote controller, and can also be sent to the controller of the air conditioner by the user operating a control panel on the air conditioner.

If the controller receives the electric heating start command, S2 is executed.

S2: controlling the electric heater to continuously operate for a first time period t₁。

Wherein the first time period t₁The value of (a) may be 10min to 20min,the time period can be 15min in the embodiment, so that the electric heater is controlled to be started and continuously operated for the first time period t under the condition that the electric heating starting instruction is received₁The air conditioner can directly respond to the requirement of the user on electric heating, and the experience of the user is improved.

S3: and judging whether the running state of the air conditioner meets a first preset condition or not.

If the air conditioner operation state satisfies the first preset condition, S4 is executed.

S4: and controlling the electric heater to continuously operate.

If the air conditioner operation state does not satisfy the first preset condition, S6 is executed.

Wherein the first preset condition comprises at least one of the following conditions: the system comprises a first load condition, a time condition, a first inner plate temperature condition, a first indoor heat load condition and an input protection condition.

Specifically, the first load condition: n is_{Inner part}≥n₁Wherein n is_{Inner part}Is the indoor fan speed, n₁Is a first wind speed, n₁It can be considered as the wind speed corresponding to the low wind speed gear of the air conditioner. Thus, in the condition of controlling the continuous operation of the electric heater, the first load condition is defined, and the indoor fan rotating speed n can be prevented_{Inner part}The air outlet temperature is too high due to too low temperature, and the hot air blown out by the air conditioner is prevented from falling to the ground.

Time conditions are as follows: in the refrigeration mode or the dehumidification mode, the continuous operation time of the compressor reaches a second time length t₂In the heating mode, the continuous operation time of the indoor fan reaches a third time t₃. Wherein the second time period t₂May be 10min, a third time period t₃The value of (d) may be 5 min. Therefore, the damage of the electric heater caused by rapid cooling or sudden heating after the air conditioner is switched to the heating mode from other modes can be prevented, and the damage caused by uneven temperature after the electric heater is started and condensation on the surface of the electric heater after the air conditioner is switched to the heating mode from the cooling mode can also be prevented.

First inner disc temperature condition: l is_{When in use}≤L₁And T_{Inner part}≤T₁Which isIn, L_{When in use}For compressor current frequency fluctuations, L₁Presetting the frequency fluctuation, L, for the compressor₁Can take the value of 2Hz/150s, T_{Inner part}Is inner disc temperature, T₁Is a preset temperature.

Wherein, the indoor fan rotating speed n_{Inner part}And a predetermined temperature T₁Satisfies the following table 1:

TABLE 1

nInner part	n1≤nInner part≤n2	n2<nInner part<n3	n3≤nInner part
				T1	T1＝T2	T1＝T3	T1＝T4

n₁Is a first wind speed, n₁The wind speed corresponding to the low wind speed gear of the air conditioner can be considered;

n₂is the second wind speed, n₂The wind speed corresponding to the middle wind speed gear of the air conditioner can be considered;

n₃is the third wind speed, n₃The wind speed corresponding to the high wind speed gear of the air conditioner can be considered;

n₁<n₂<n₃，T₁、T₂、T₃、T₄are all at a predetermined temperature, and T₂<T₃<T₄In particular, T₂、T₃、T₄The values of (A) can be 46 ℃, 49 ℃ and 51 ℃.

First indoor thermal load condition: t is_{Inner ring}-T_{Is provided with}<T₅Wherein, T_{Inner ring}Is the inner ring temperature, T_{Is provided with}Setting the temperature, T, for the user₅To a predetermined temperature, T₅The value of (A) may be-1 ℃. Therefore, the electric heater can meet the first indoor heat load condition when continuously running, and the phenomenon that the frequency is reduced after the air conditioner quickly reaches the set temperature to cause the temperature T of the inner disc can be prevented_{Inner part}And decreases resulting in an erroneous control of the electric heater activation.

And (3) putting protection conditions: in the state where the electric heater is out of operation, T₆<T_{Inner ring}-T_{Is provided with}<T₅Current operating frequency fluctuation L of compressor_{When in use}Is maintained within the preset range for the fourth time length t₄And controlling the electric heater to start and operate, and controlling the electric heater to operate for at least 5min if the condition for controlling the electric heater to stop operating appears, so as to prevent the electric heater from being frequently started or closed and shorten the service life of the electric heater due to overlarge temperature fluctuation.

Wherein the preset range may be + -3 Hz, and the fourth time period t₄Can be 10min, T_{Inner ring}Is the inner ring temperature, T_{Is provided with}Setting the temperature, T, for the user₅、T₆To a predetermined temperature, T₅、T₆The values of (A) can be respectively-1 ℃ and-3 ℃.

And, under the mode of heating, electric heater starts operation for the first time, the restriction of no time delay. If the electric heater is started and quitted, the time interval from the quitting operation to the restarting operation of the electric heater reaches a fifth time length t₅A fifth time period t₅The value of (2) can be 5min, which can prevent the frequent start or stop of the electric heater caused by overlarge temperature fluctuation and shorten the service life of the electric heater.

S5: and judging whether the running state of the air conditioner meets a second preset condition or not.

If the air conditioner operation state satisfies the second preset condition, S6 is executed.

S6: and controlling the electric heater to exit the operation.

If the air conditioner operation state does not satisfy the second preset condition, S7 is executed.

Wherein the second preset condition comprises at least one of the following: a second load condition, a signal condition, a second inner disk temperature condition, a second indoor heat load condition, and an operating mode condition.

Specifically, the second load condition: n is_{Inner part}<n₁And stopping the compressor or stopping the indoor fan.

Signal conditions: and receiving an electric heating stop instruction. The electric heating stop instruction can be sent to the controller of the air conditioner by a user through a remote controller, and can also be sent to the controller of the air conditioner by the user operating a control panel on the air conditioner.

Second inner pan temperature condition: if T is detected during the operation of the air conditioner_{Inner part}>T₁The electric heater is turned off.

Second indoor thermal load condition: t is_{Inner ring}-T_{Is provided with}≥T₅Wherein, T_{Inner ring}Is the inner ring temperature, T_{Is provided with}Setting the temperature, T, for the user₅Is a preset temperature. Thus, after the indoor temperature reaches the temperature set by the user, the electric heater is stopped from operating.

The operating mode conditions are as follows: and when the operation is switched to the non-heating mode, the electric heater is controlled to be switched off. The non-heating mode comprises a defrosting mode, a drying mildew-proof mode, a fault state, a power limit within 50% and the like, wherein the indoor fan stops in the drying mildew-proof mode, and the electric heater is easily damaged if the electric heater is started. Within 50% of the electricity limit, the power of the electric heater is generally equal to that of the whole machine, and if the electric heater is started under the condition of electricity limit, the air conditioner can not normally operate.

S7: and controlling the electric heater to keep the current state.

If the controller does not receive the electric heating start instruction, S8 is executed.

S8: judging the temperature T of the inner disc_{Inner part}Outer disc temperature T_{Outer plate}And inner ring temperature T_{Inner ring}Whether a third preset condition is met.

If T_{Inner part}、T_{Outer plate}And T_{Inner ring}If the third preset condition is satisfied, S9 is executed.

S9: and controlling the electric heater to start running.

If T_{Inner part}、T_{Outer plate}And T_{Inner ring}If the third preset condition is not satisfied, S10 is executed.

S10: and controlling the electric heater not to start running.

Specifically, the third preset condition content includes:

if T is detected during startup_{Outer plate}<0, then T is updated_{Outer plate}At the time of satisfying T_{Inner ring}<30 ℃ for 10s and satisfies T_{Inner part}≤T₀And when the first preset condition is satisfied, executing S9: controlling the electric heater to start running, otherwise executing S10.

If T is detected during startup_{Outer plate}Not less than 0, and the time from the previous shutdown is less than or equal to 25min, the detected T is not updated when the computer is started_{Outer plate}Last detected T_{Outer plate}To meet T_{Inner ring}<30 ℃ for 10s and satisfies T_{Inner part}≤T₀And when the first preset condition is satisfied, executing S9: controlling the electric heater to start running, otherwise executing S10.

Further, when the operating state of the air conditioner satisfies the environment temperature condition, S10 is also executed. Wherein, the environment temperature condition comprises the following conditions:

if the electric heater is started to operate under the condition that the electric heating starting instruction is not received, when T is reached_{Inner ring}If the temperature is more than or equal to 33 ℃ and the duration reaches 10S, executing S10, otherwise executing S9;

if T is real time_{Outer plate}And (4) at the temperature of more than or equal to-5 ℃, and the running time of the air conditioner is not more than 30min, executing S10, otherwise executing S9. The temperature is-5 deg.C and 30minThe air conditioner is adjusted according to specific products, and when the air conditioner is stopped when reaching the preset temperature of a user and the compressor is started again, the running time of the air conditioner needs to be reset and reset.

The operation control method of the air conditioner electric heater provided by the embodiment has the beneficial effects that:

1. by exhaustively planning the indoor fan speed n_{Inner part}Inner ring temperature T_{Inner ring}Inner disc temperature T_{Inner part}Outer disc temperature T_{Outer plate}The operation mode and the like, so that the starting operation or the quitting operation control of the electric heater is more accurate, and the accurate control of the electric heater in each scene can be ensured;

2. planning load conditions and preventing the rotating speed n of the indoor fan_{Inner part}Too low, resulting in too high outlet air temperature, no landing of hot air blown out by the air conditioner, layered indoor temperature and too poor heat outlet comfort near the ground;

3. time conditions are planned, the electric heater is prevented from being damaged or the air conditioner is prevented from being short-circuited when the heater is started immediately after the refrigeration mode or the dehumidification mode is switched to the heating mode, continuous air blowing is controlled for more than 5min, and the phenomenon of condensation on the electric heater can be avoided;

4. the temperature condition of the inner disc and the indoor heat load condition are planned, the starting or quitting of the electric heater can be controlled under the condition of ensuring and indoor heat load, and the frequency is prevented from being reduced after the air conditioner rapidly reaches the set temperature, so that the temperature T of the inner disc is caused_{Inner part}Lowering to cause false control of the electric heater activation;

5. the input protection condition of the electric heater is planned, the frequent starting or closing of the electric heater caused by the overlarge temperature fluctuation is prevented, and the service life of the electric heater is shortened.

Second embodiment

Referring to fig. 2, the present embodiment provides an operation control device 1 for an electric heater of an air conditioner, which is mainly used for executing the operation control method for the electric heater of the air conditioner provided by the first embodiment.

The device comprises a signal receiving module 11 and a control module 12, wherein the signal receiving module 11 is used for receiving an electric heating starting instruction; the control module 12 is used for starting the instruction according to the electric heatingControlling the electric heater to start operation, and continuously operating the electric heater for a first time period t₁Then, if the running state of the air conditioner is detected to meet a first preset condition, controlling the electric heater to run continuously; and if the running state of the air conditioner is detected to meet the second preset condition, controlling the electric heater to quit running.

Wherein the first preset condition comprises at least one of the following conditions: the system comprises a first load condition, a time condition, a first inner plate temperature condition, a first indoor heat load condition and an input protection condition. The second preset condition includes at least one of: a second load condition, a signal condition, a second inner disk temperature condition, a second indoor heat load condition, and an operating mode condition.

For details of the above conditions, please refer to the descriptions of the corresponding conditions in the first embodiment, and in addition, the control module may be configured to execute all the steps of the method in the first embodiment, which is not described herein again.

Third embodiment

Referring to fig. 3, the present embodiment provides an air conditioner 2, and the air conditioner 2 includes an electric heater 21, a controller 22 and other conventional components.

The controller 22 is electrically connected with the electric heater 21, and the controller 22 is used for controlling the electric heater 21 to start operation under the condition of receiving an electric heating starting instruction; during the continuous operation of the electric heater 21 for a first time period t₁Then, if the operation state of the air conditioner 2 is detected to meet the first preset condition, controlling the electric heater 21 to continuously operate; and if the operation state of the air conditioner 2 is detected to meet the second preset condition, controlling the electric heater 21 to quit the operation.

For the details of the first preset condition and the second preset condition, please refer to the description of the corresponding conditions in the first embodiment, and in addition, the controller 22 may be configured to execute all the steps of the method in the first embodiment, which is not described herein again.

Fourth embodiment

The present embodiment provides a computer-readable storage medium, which stores a program that can be read by a processor and executes the operation control method of the air conditioner electric heater provided in the first embodiment.

The computer-readable storage medium may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Programmable Read-Only Memory (EEPROM), and the like.

The control module in the second embodiment, the controller in the third embodiment, and the processor in the fourth embodiment may be an integrated circuit chip having signal processing capability, or may be a general-purpose processor including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.

It will be appreciated that the configurations shown in fig. 2 and 3 are merely illustrative, and that the air conditioner electric heater operation control device and the air conditioner may also include more or fewer components than shown in the drawings, or have a different configuration than shown in the drawings. The components shown in the figures may be implemented in hardware, software, or a combination thereof.

The operation control device of the air conditioner electric heater and the air conditioner provided by the embodiment have the beneficial effects that:

1. under the condition of receiving an electric heating starting instruction, controlling the electric heater to start and continuously operate for a first time period t₁The air conditioner can directly respond to the requirement of a user on electric heating, and the experience of the user is improved;

2. in the judgment conditions of controlling the electric heating to start operation and quit operation, the detection of the external ring temperature is not relied on, and the control is convenient;

3. in the condition of controlling the continuous operation of the electric heater, a first load condition is defined, and the rotating speed n of the indoor fan can be prevented_{Inner part}Too low to result inThe air outlet temperature is too high, and the hot air blown out by the air conditioner is prevented from falling to the ground;

4. in the condition of controlling the continuous operation of the electric heater, the temperature condition of the first inner disc is limited, so that the accuracy of controlling the continuous operation of the electric heater can be improved.

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

Claims (10)

1. An operation control method of an electric heater of an air conditioner, characterized by comprising:

controlling the electric heater to start operation under the condition of receiving an electric heating starting instruction;

continuously operating the electric heater for a first time period t₁Then, if the running state of the air conditioner is detected to meet a first preset condition, controlling the electric heater to run continuously;

if the running state of the air conditioner is detected to meet a second preset condition, controlling the electric heater to quit running;

wherein the first preset condition comprises:

the first load condition: n is_{Inner part}≥n₁Wherein n is_{Inner part}Is the indoor fan speed, n₁A first wind speed;

first inner disc temperature condition: l is_{When in use}≤L₁And T_{Inner part}≤T₁Wherein L is_{When in use}For compressor current frequency fluctuations, L₁Presetting the frequency fluctuation, T, for the compressor_{Inner part}Is inner disc temperature, T₁Is a preset temperature.

2. An operation control method of an electric heater of an air conditioner according to claim 1, wherein at n₁≤n_{Inner part}≤n₂Under the condition of (1), T₁＝T₂(ii) a At n₂<n_{Inner part}<n₃Under the condition of (1), T₁＝T₃(ii) a At n₃≤n_{Inner part}Under the condition of (1), T₁＝T₄(ii) a Wherein n is₁<n₂<n₃，T₂<T₃<T₄。

3. An operation control method of an electric heater of an air conditioner according to claim 1, wherein the first preset condition further comprises:

time conditions are as follows: in the refrigeration mode or the dehumidification mode, the continuous operation time of the compressor reaches a second time length t₂In the heating mode, the continuous operation time of the indoor fan reaches a third time t₃。

4. An operation control method of an electric heater of an air conditioner according to claim 1, wherein the first preset condition further comprises:

first indoor thermal load condition: t is_{Inner ring}-T_{Is provided with}<T₅Wherein, T_{Inner ring}Is the inner ring temperature, T_{Is provided with}Setting the temperature, T, for the user₅Is a preset temperature.

5. An operation control method of an electric heater of an air conditioner according to claim 1, wherein the first preset condition further comprises:

and (3) putting protection conditions: in a state where the electric heater is out of operation, T₆<T_{Inner ring}-T_{Is provided with}<T₅Current operating frequency fluctuation L of compressor_{When in use}Is maintained within the preset range for the fourth time length t₄And the time interval from the operation quitting of the electric heater to the operation restarting reaches a fifth time length t₅Wherein, T_{Inner ring}Is the inner ring temperature, T_{Is provided with}Setting the temperature, T, for the user₅、T₆Is a preset temperature.

6. An operation control method of an electric heater of an air conditioner according to claim 1, wherein the second preset condition includes at least one of:

signal conditions: receiving an electric heating stop instruction;

the second load condition is: n is_{Inner part}<n₁Stopping the compressor or stopping the indoor fan;

second inner pan temperature condition: t is_{Inner part}>T₁；

Second indoor thermal load condition: t is_{Inner ring}-T_{Is provided with}≥T₅Wherein, T_{Inner ring}Is the inner ring temperature, T_{Is provided with}Setting the temperature, T, for the user₅Is a preset temperature;

the operating mode conditions are as follows: and switching to a non-heating mode for operation.

7. An operation control method of an electric heater of an air conditioner according to claim 1, wherein the method further comprises:

according to the temperature T of the inner disc under the condition that an electric heating starting instruction is not received_{Inner part}Outer disc temperature T_{Outer plate}And inner ring temperature T_{Inner ring}And controlling the electric heater to start operation or quit operation.

8. An operation control device of an electric heater of an air conditioner, the device comprising:

the signal receiving module (11) is used for receiving an electric heating starting instruction;

a control module (12) for controlling the electric heater to start operation according to the electric heating start instruction, and continuously operating the electric heater for a first time period t₁Then, if the running state of the air conditioner is detected to meet a first preset condition, controlling the electric heater to run continuously; if the running state of the air conditioner is detected to meet a second preset condition, controlling the electric heater to quit running;

wherein the first preset condition comprises:

the first load condition: n is_{Inner part}≥n₁Wherein n is_{Inner part}Is the indoor fan speed, n₁A first wind speed;

first inner disc temperature condition: l is_{When in use}≤L₁And T_{Inner part}≤T₁Wherein L is_{When in use}For compressor current frequency fluctuations, L₁Presetting the frequency fluctuation, T, for the compressor_{Inner part}Is inner disc temperature, T₁Is a preset temperature.

9. An air conditioner, characterized in that the air conditioner comprises:

an electric heater (21);

the controller (22) is electrically connected with the electric heater (21), and the controller (22) is used for controlling the electric heater (21) to start running under the condition of receiving an electric heating starting instruction; continuously operating the electric heater (21) for a first time period t₁Then, if the running state of the air conditioner is detected to meet a first preset condition, controlling the electric heater (21) to run continuously; if the running state of the air conditioner is detected to meet a second preset condition, controlling the electric heater (21) to quit running;

wherein the first preset condition comprises:

the first load condition: n is_{Inner part}≥n₁Wherein n is_{Inner part}Is the indoor fan speed, n₁A first wind speed;

first inner disc temperature condition: l is_{When in use}≤L₁And T_{Inner part}≤T₁Wherein L is_{When in use}For compressor current frequency fluctuations, L₁Presetting the frequency fluctuation, T, for the compressor_{Inner part}Is inner disc temperature, T₁Is a preset temperature.

10. A computer-readable storage medium storing a program, wherein the program is readable by a processor and executes the method of any one of claims 1 to 7.

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