CN113007866B

CN113007866B - Air conditioner comfort energy-saving control method and device, air conditioner and computer readable storage medium

Info

Publication number: CN113007866B
Application number: CN202110431868.7A
Authority: CN
Inventors: 魏华锋; 杜文超; 秦宪; 乐航; 唐辉辉
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-07-12
Anticipated expiration: 2041-04-21
Also published as: CN113007866A

Abstract

The invention provides a comfort energy-saving control method and device for an air conditioner, the air conditioner and a computer readable storage medium, and relates to the technical field of air conditioners. The method comprises the following steps: in the heating mode, the outer ring temperature T is obtained_hInner ring temperature T_eAnd inner disc temperature T_p(ii) a According to the outer ring temperature T_hControlling the air conditioner to operate according to the frequency F of the corresponding compressor; according to the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pAdjusting the frequency F of the compressor; according to the inner disk temperature T_pObtaining the temperature difference delta T of the inner disc; and controlling the start and stop of the defrosting mode according to the temperature difference delta T of the inner disc. Thus, according to the outer ring temperature T_hAnd inner ring temperature T_eThe air conditioner can run in different scenes, the frequency F of the compressor can be adaptively adjusted, the running state of the air conditioner is matched with the actual use requirement of a user, constant-temperature air outlet is realized, the comfort is improved, the frequency of the compressor is prevented from being increased simply, and the energy consumption is saved.

Description

Air conditioner comfort energy-saving control method and device, air conditioner and computer readable storage medium

Technical Field

The invention relates to the technical field of air conditioners, in particular to a comfort energy-saving control method and device of an air conditioner, the air conditioner and a computer readable storage medium.

Background

In the winter use process of the air conditioner, because the outdoor temperature is low, after the air at the outdoor side exchanges heat with the low-temperature heat exchanger, condensation water is generated and stays on fins of the heat exchanger, because the condensation water on the fins increases the wind resistance, the heat exchange performance of the heat exchanger is weakened, the evaporation temperature is further reduced, when the evaporation temperature is lower than 0 ℃, the condensation water on the fins gradually frosts, and after the air conditioner enters the heating mode, periodic defrosting is needed, so that the comfort in the heating process is poor.

In order to ensure the comfort of low-temperature heating, the indoor temperature is often raised by a frequency raising mode, but the frequency raising mode is not adaptively adjusted for various scenes, so that the frequency raising is too high for the scenes, and energy waste is caused.

Disclosure of Invention

The invention solves the problems that: the frequency raising mode adopted by the existing air conditioner for ensuring the comfort of low-temperature heating is not adjusted adaptively for various scenes, so that the frequency raising is too high for the scenes, and the energy waste is caused.

To solve the above problems, embodiments of the present invention provide the following solutions:

in a first aspect, an embodiment of the present invention provides a comfort energy-saving control method for an air conditioner, where the method includes:

in the heating mode, the outer ring temperature T is obtained_hInner ring temperature T_eAnd inner disc temperature T_p；

According to the outer ring temperature T_hControlling the air conditioner to operate according to the frequency F of the corresponding compressor;

according to the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pAdjusting the frequency F of the compressor;

according to the inner disk temperature T_pObtaining the temperature difference delta T of the inner disc;

and controlling the start and stop of the defrosting mode according to the temperature difference delta T of the inner disc.

Firstly, in the heating mode,according to the outer ring temperature T_hAnd inner ring temperature T_eThe air conditioner can run in different scenes, so that the running state of the air conditioner meets the actual use requirements of users, the comfort is improved, the frequency of the compressor is prevented from being increased simply, and the energy consumption is saved;

secondly, according to the inner disk temperature T_pReasonable temperature intervals can be divided, the frequency F of the compressor can be adaptively adjusted according to each temperature interval, constant-temperature air outlet is realized, and the comfort of a room is kept;

finally, according to the inner disk temperature difference delta T, the inner disk temperature T_pAnd the defrosting mode is controlled to be started under the condition of continuous descending, so that the starting time is accurate, and the energy consumption is saved.

Further, according to the inner disc temperature difference delta T, the step of controlling the start and stop of the defrosting mode comprises the following steps:

and when the temperature difference delta T of the inner disc is larger than the preset temperature difference, starting the defrosting mode.

Further, according to the outer ring temperature T_hThe step of controlling the air conditioner to operate according to the frequency F of the corresponding compressor comprises the following steps;

when T is_hWhen less than X, controlling the frequency F of the compressor to be F_max；

When X is less than or equal to T_hWhen the frequency is less than or equal to Y, controlling the frequency F of the compressor to be F_m；

When Y is less than T_hWhile controlling the compressor frequency F to be the preset frequency F_Y；

Wherein X, Y is preset temperature, and X is less than Y; f_Y、F_m、F_maxAre all at a predetermined frequency, and F_Y＜F_m＜F_max。

Thus, according to the outer ring temperature T_hDifferent thresholds are set, the frequency F of the compressor is accurately controlled, and the energy-saving performance and the comfort of the air conditioner are improved.

Further, the preset frequency F_mThe calculation formula of (2) is as follows: f_m＝F_Y+(Y-T_h)*(F_max-F_Y)/(Y-X)。

Further, according to the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pAdjusting pressureThe step of compressor frequency F includes:

when T is_h≥A、T_e≥M、T_p≥X₁When the frequency F of the compressor is adjusted to be reduced;

when T is_h≥A、T_e≥M、Y₁＜T_p＜X₁Adjusting the frequency F of the compressor to maintain the current state;

when T is_h≥A、T_e≥M、T_p≤Y₁When the frequency F of the compressor is adjusted to be increased;

when T is_h≥A、T_e＜M、T_p≥X₂When the frequency F of the compressor is adjusted to be reduced;

when T is_h≥A、T_e＜M、Y₂＜T_p＜X₂Adjusting the frequency F of the compressor to maintain the current state;

when T is_h≥A、T_e＜M、T_p≤Y₂When the frequency F of the compressor is adjusted to be increased;

wherein, A, M, X₁、Y₁、X₂、Y₂Are all preset temperatures.

Further, according to the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pThe step of adjusting the compressor frequency F comprises:

when T is_h＜A、T_e≥N、T_p≥X₃When the frequency F of the compressor is adjusted to be reduced;

when T is_h＜A、T_e≥N、Y₃＜T_p＜X₃Adjusting the frequency F of the compressor to maintain the current state;

when T is_h＜A、T_e≥N、T_p≤Y₃When the frequency F of the compressor is adjusted to be increased;

when T is_h＜A、T_e＜N、T_p≥X₄When the frequency F of the compressor is adjusted to be reduced;

when T is_h＜A、T_e＜N、Y₄＜T_p＜X₄Adjusting the frequency F of the compressor to maintain the current state;

when T is_h＜A、T_e＜N、T_p≤Y₄When the frequency F of the compressor is adjusted to be increased;

wherein, A, N, X₃、Y₃、X₄、Y₄Are all preset temperatures.

Thus, by subdividing the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pThe interval of (3) accurately controls the frequency F of the compressor, and improves the energy-saving property and the comfort of the air conditioner.

Further, the step of adjusting the increase of the compressor frequency F is followed by a step of adjusting the increase of the compressor frequency F according to the inner disc temperature T_pThe step of obtaining the inner disc temperature difference delta T comprises the following steps:

when the temperature of the inner disk is T_pContinuously increasing in N continuous periods, and returning to detect the inner ring temperature T_e；

When the temperature of the inner disk is T_pDoes not continuously increase in N continuous periods, according to the temperature T of the inner disk_pAnd obtaining the temperature difference delta T of the inner disc, wherein N is more than or equal to 2.

Thus, the inner disk temperature T_pThe change of the air conditioner adopts continuous periodic data judgment, improves the accuracy of the data judgment, avoids the premature start of the defrosting mode and ensures the comfort of the air conditioner.

Further, the preset temperature X, Y satisfies: x is more than or equal to-20 ℃ and less than or equal to-5 ℃, and Y is more than or equal to-5 ℃ and less than or equal to 5 ℃.

In a second aspect, an embodiment of the present invention provides an air conditioner comfort energy-saving control device, including:

a memory;

a processor for reading a program in memory to implement the method as in the first aspect.

In a third aspect, an embodiment of the present invention provides an air conditioner, including a controller configured to, in a heating mode, vary an outer ring temperature T_hControlling the air conditioner to operate according to the frequency F of the corresponding compressor; according to the inner ring temperature T_eAnd inner disc temperature T_pAdjusting the frequency F of the compressor; according to the inner disk temperature T_pObtaining the temperature difference delta T of the inner disc; according to the temperature difference Delta T of the inner disc, controlAnd (5) preparing defrosting mode.

Like this, make the running state laminating user's in-service use demand of air conditioner, realize the constant temperature air-out, improve the travelling comfort, avoid increasing compressor frequency purely, practice thrift the energy consumption.

In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the method according to the first aspect.

Drawings

Fig. 1 is a flowchart of a comfort energy-saving control method for an air conditioner according to a first embodiment of the present invention;

FIG. 2 is a flow chart of a comfort energy-saving control method for an air conditioner according to a second embodiment of the present invention;

fig. 3 is a block diagram schematically illustrating the comfort energy-saving control device of an air conditioner according to a third embodiment of the present invention;

fig. 4 is a block diagram schematically illustrating the composition of an air conditioner according to a fourth embodiment of the present invention.

Description of the reference numerals:

1-an air conditioner; 2-a controller; 3-a memory; 4-a processor; 5-a temperature sensor; 6-comfort energy-saving control device of air conditioner.

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.

In the embodiment of the invention, some preset temperatures are preset and used for defining the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pThese preset temperatures are listed in table 1 below.

TABLE 1

Preset temperature	Value range (. degree. C.)	This example value (. degree. C.)
			A	-5～10	1
M	10～25	20
			X₁	35～50	45
Y₁	30～45	40
			B	5～20	10
X₂	30～50	48
			Y₂	25～45	43
C	8～20	10
			N	10～25	18
X₃	35～50	46
			Y₃	25～45	41
D	5～22	12
			X₄	35～55	47
Y₄	20～45	42
			E	5～25	14

First embodiment

Referring to fig. 1, the present embodiment provides a comfort energy-saving control method for an air conditioner, including the following steps:

s01: in the heating mode, the outer ring temperature T is obtained_hInner ring temperature T_eAnd inner disc temperature T_p。

Wherein, the outer ring temperature T can be obtained by the temperature sensor after 5 minutes of starting the heating mode_hInner ring temperature T_eAnd inner disc temperature T_p。

S02: according to the outer ring temperature T_hAnd controlling the air conditioner to operate according to the corresponding compressor frequency F.

Specifically, when T is_hWhen less than X, controlling the frequency F of the compressor to be F_max；

When X is less than or equal to T_hWhen Y is less than or equal to Y, controlling the frequency F of the compressor to be F_mAt a predetermined frequency F_mThe calculation formula of (2) is as follows:

F_m＝F_Y+(Y-T_h)*(F_max-F_Y)/(Y-X)；

Wherein X, Y is the preset temperature, and X is less than Y, and preset temperature X, Y satisfies: x is more than or equal to-20 ℃ and less than or equal to-5 ℃, Y is more than or equal to-5 ℃ and less than or equal to-5 ℃, in the embodiment, X is-13 ℃ and Y is-2 ℃; f_Y、F_m、F_maxAre all at a predetermined frequency, and F_Y＜F_m＜F_max。

S03: according to the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pThe compressor frequency F is adjusted.

Specifically, first, the outer ring temperature T is determined_hInner ring temperature T_eAnd inner disc temperature T_pMagnitude of the respective corresponding preset temperatures, i.e. for the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pAnd respectively dividing reasonable temperature intervals, presetting a corresponding strategy for controlling the frequency F of the compressor for each temperature interval, and executing the control strategy corresponding to the temperature interval when the detected temperature is in a certain temperature interval.

Thus, in the heating mode, according to the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pCan divide reasonable temperature intervals, can adaptively adjust the frequency F of the compressor aiming at each temperature interval, realize constant-temperature air outlet, keep the comfort of a room,the frequency of the compressor is prevented from being increased simply, and energy consumption is saved.

S04: according to the inner disc temperature T within the preset time length_pAnd obtaining the temperature difference delta T of the inner disc.

In particular, when the inner disc temperature T_pDoes not continuously increase in N continuous periods, according to the temperature T of the inner disk_pThe inner disc temperature difference Δ T is obtained, that is, N consecutive cycles satisfy: t is a unit of_p(n)-T_p(n-1)> 0, wherein T_p(n)Inner disc temperature, T, for the nth cycle_p(n-1)The inner disc temperature of the (n-1) th cycle. Wherein N is greater than or equal to 2, and in this embodiment, the value of N may be 3. Thus, the inner disk temperature T_pThe change of the air conditioner adopts continuous periodic data judgment, improves the accuracy of the data judgment, avoids the premature start of the defrosting mode and ensures the comfort of the air conditioner.

Wherein, the calculation formula of the inner disc temperature difference delta T is as follows:

ΔT＝T_p(n)-T_p(0)

in the formula, T_p(0)Is the initial inner disc temperature.

S05: and controlling the start and stop of the defrosting mode according to the temperature difference delta T of the inner disc.

Specifically, the defrosting mode is started under the condition that the inner disc temperature difference delta T is larger than the preset temperature difference.

Thus, the inner disk temperature T is determined according to the inner disk temperature difference Delta T_pAnd the air conditioner is controlled to start the defrosting mode under the condition of continuous descending, so that the starting time is accurate, and the energy consumption is saved.

Of course, S1 may also be split into several substeps, for example, for the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pSuccessively or before S02_hDetecting the inner ring temperature T after S02 and before S03_eAnd inner disc temperature T_pAlso, the object of the present embodiment can be achieved.

The comfort energy-saving control method for the air conditioner provided by the embodiment has the beneficial effects that:

1. according to the inner disk temperature T_pAccurately controlling compressor frequency in different scenesF, realizing constant-temperature air outlet, keeping the uniformity and comfort of the temperature in the room, avoiding overlarge fluctuation of the frequency F of the compressor, and realizing an energy-saving effect;

2. the temperature T of the inner disc is accurately confirmed by adopting a periodic intelligent algorithm_pThe precise control of the frequency F of the compressor is realized.

Second embodiment

Referring to fig. 2, the present embodiment provides a comfort energy-saving control method for an air conditioner, including the following steps:

s1: in the heating mode, the outer ring temperature T is obtained_hInner ring temperature T_eAnd inner disc temperature T_p。

S2: according to the outer ring temperature T_hAnd controlling the air conditioner to operate according to the corresponding compressor frequency F.

When X is less than or equal to T_hWhen the frequency is less than or equal to Y, controlling the frequency F of the compressor to be F_mAt a predetermined frequency F_mThe calculation formula of (2) is as follows:

F_m＝F_Y+(Y-T_h)*(F_max-F_Y)/(Y-X)；

S3: judging the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pAnd the magnitude of the preset temperature.

When T is_h≥A、T_e≥M、T_p≥X₁Then, denoted by (1) in fig. 2, S41 is executed: and adjusting the frequency F of the compressor to be reduced by 2Hz so as to realize the energy-saving effect. After execution of S41, execution returns to S1.

When T is_h≥A、T_e≥M、Y₁＜T_p＜X₁Then, denoted by (2) in fig. 2, S42 is executed: the compressor frequency F is adjusted to maintain the current status. After execution of S42, execution returns to S1.

When T is_h≥A、T_e≥M、T_p≤Y₁Then, denoted by (3) in fig. 2, S43 is executed: the compressor frequency F is adjusted to increase by 1 Hz. After performing S43, S51 is performed.

S51: judging the temperature T of the inner disc_pWhether the increase continues for N consecutive periods, that is, whether N consecutive periods satisfy: t is_p(n)-T_p(n-1)> 0, wherein T_p(n)Inner disc temperature, T, for the nth cycle_p(n-1)The inner disc temperature of the (n-1) th cycle.

If yes, the method returns to the step of S1; if not, go to S61.

S61: according to the inner disk temperature T_pAnd obtaining the inner disc temperature difference delta T.

ΔT＝T_p(n)-T_p(0)

in the formula, T_p(0)Is the initial inner disc temperature.

S71: and judging whether the delta T is larger than B.

When Δ T > B, S81 is executed: starting a defrosting mode; when Δ T ≦ B, execution returns to S1.

When T is_h≥A、T_e＜M、T_p≥X₂Then, denoted by (4) in fig. 2, S44 is executed: and adjusting the frequency F of the compressor to be reduced by 1Hz so as to realize the energy-saving effect. After execution of S44, execution returns to S1.

When T is_h≥A、T_e＜M、Y₂＜T_p＜X₂Then, denoted by (5) in fig. 2, S45 is executed: the compressor frequency F is adjusted to maintain the current status. After execution of S45, execution returns to S1.

When T is_h≥A、T_e＜M、T_p≤Y₂Then, denoted by (6) in fig. 2, S46 is executed: the compressor frequency F is adjusted to increase by 2 Hz. After performing S46, S52 is performed.

S52: judging the temperature T of the inner disc_pWhether it continues to increase for N consecutive periods.

If yes, the method returns to the step of S1; if not, S62 is executed.

S62: according to the inner disk temperature T_pAnd obtaining the temperature difference delta T of the inner disc.

S72: and judging whether the delta T is larger than C.

When Δ T > C, S82 is executed: starting a defrosting mode; when Δ T ≦ C, execution returns to S1.

When T is_h＜A、T_e≥N、T_p≥X₃Then, denoted by (7) in fig. 2, S47 is executed: and adjusting the frequency F of the compressor to reduce by 2Hz so as to realize the energy-saving effect. After execution of S47, execution returns to S1.

When T is_h＜A、T_e≥N、Y₃＜T_p＜X₃Then, denoted by (8) in fig. 2, S48 is executed: the compressor frequency F is adjusted to maintain the current status. After execution of S48, execution returns to S1.

When T is_h＜A、T_e≥N、T_p≤Y₃Then, denoted by (9) in fig. 2, S49 is executed: the compressor frequency F is adjusted to increase by 1 Hz. After execution of S49, S53 is executed.

S53: judging the temperature T of the inner disc_pWhether it continues to increase for N consecutive periods.

If yes, the method returns to the step of S1; if not, S63 is executed.

S63: according to the inner disk temperature T_pAnd obtaining the inner disc temperature difference delta T.

S73: and judging whether the delta T is larger than D.

When Δ T > D, S83 is executed: starting a defrosting mode; when Δ T ≦ D, execution returns to S1.

When T is_h＜A、T_e＜N、T_p≥X₄Then, denoted by (10) in fig. 2, S410 is executed: and the frequency F of the compressor is adjusted to be reduced by 1Hz so as to realize the energy-saving effect. After execution of S410, execution returns to S1.

When T is_h＜A、T_e＜N、Y₄＜T_p＜X₄Then, denoted by (11) in fig. 2, S411 is executed: the compressor frequency F is adjusted to maintain the current status. After execution of S411, execution returns to S1.

When T is_h＜A、T_e＜N、T_p≤Y₄Then, denoted by (12) in fig. 2, S412 is executed: the compressor frequency F is adjusted to increase by 2 Hz. After execution of S412, S54 is executed.

S54: judging the temperature T of the inner disc_pWhether it continues to increase for N consecutive cycles.

If yes, the method returns to the step of S1; if not, go to S64.

S64: according to the inner disk temperature T_pAnd obtaining the inner disc temperature difference delta T.

S74: whether the delta T is larger than E is judged.

When Δ T > E, then S84 is executed: starting a defrosting mode; when Δ T ≦ E, execution returns to S1.

1. in the heating mode, according to the outer ring temperature T_hAnd inner ring temperature T_eThe air conditioner can run in different scenes, so that the running state of the air conditioner meets the actual use requirements of users, the comfort is improved, the frequency of the compressor is prevented from being increased simply, and the energy consumption is saved;

2. according to the inner disc temperature T_pReasonable temperature intervals can be divided, the frequency F of the compressor can be adaptively adjusted according to each temperature interval, constant-temperature air outlet is realized, and the comfort of a room is kept;

3. according to the inner disk temperature difference delta T and the inner disk temperature T_pIn the case of a sustained descent of the pressure vessel,the defrosting mode is controlled to be started, so that the starting time is accurate, and the energy consumption is saved.

Third embodiment

Referring to fig. 3, the present embodiment provides an air conditioner comfort energy-saving control device 6, which includes a memory 3 and a processor 4, wherein the memory 3 stores a program, and the processor 4 reads the program in the memory 3 to execute the air conditioner comfort energy-saving control method provided in the first embodiment or the second embodiment, specifically, the processor 4 can be used in a heating mode according to an outer loop temperature T_hControlling the air conditioner 1 to operate according to the corresponding compressor frequency F; according to the inner ring temperature T_eAnd inner disc temperature T_pAdjusting the frequency F of the compressor; according to the inner disk temperature T_pObtaining the temperature difference delta T of the inner disc; and controlling the start and stop of the defrosting mode according to the temperature difference delta T of the inner disc.

The air conditioner comfort energy-saving control device 6 can exist independently and is additionally arranged in the air conditioner, so that the air conditioner comfort energy-saving control device 6 is used as a part of a control center, and the air conditioner can realize the air conditioner comfort energy-saving control method provided by the first embodiment or the second embodiment. Like this, make the running state laminating user's in-service use demand of air conditioner 1, realize the constant temperature air-out, improve the travelling comfort, avoid increasing compressor frequency purely, practice thrift the energy consumption.

Fourth embodiment

Referring to fig. 4, the present embodiment provides an air conditioner 1, the air conditioner 1 includes a controller 2, the controller 2 may include a memory 3 and a processor 4, wherein the memory 3 stores a program, the processor 4 reads the program in the memory 3 and can be used to execute the air conditioner comfort energy saving control method provided in the first embodiment or the second embodiment, specifically, the processor 4 can be used in a heating mode according to an outer loop temperature T_hControlling the air conditioner 1 to operate according to the corresponding compressor frequency F; according to the inner ring temperature T_eAnd inner disc temperature T_pAdjusting the frequency F of the compressor; according to the inner disc temperature T_pObtaining the temperature difference delta T of the inner disc; and controlling the start and stop of the defrosting mode according to the temperature difference delta T of the inner disc. Thus, the operation state of the air conditioner 1 is made to fit the user's realityThe use demand realizes the constant temperature air-out, improves the travelling comfort, avoids increasing compressor frequency alone, practices thrift the energy consumption.

Wherein, the air conditioner 1 can also comprise a temperature sensor 5, the temperature sensor 5 is electrically connected with the controller 2, and the temperature sensor 5 is used for detecting the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pSo that the controller 2 can be operated according to the outer ring temperature T_hInner ring temperature T_eAnd inner disc temperature T_pCalculates the required parameters and controls the operation of the air conditioner 1.

Fifth embodiment

The present embodiment provides a computer-readable storage medium on which a computer program is stored, the computer program, when executed by a processor, implementing the air conditioner comfort energy-saving control method as provided in the first embodiment or the second embodiment.

The computer-readable storage medium and the Memory 3 in the third and fourth embodiments may be, but are 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 processor 4 in the third and fourth embodiments may be an integrated circuit chip having signal processing capabilities. The processor 4 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 is understood that the configurations shown in fig. 3 and 4 are merely illustrative, and the air conditioner comfort energy-saving control device 6 and the air conditioner 1 may also include more or fewer components than those shown in the figures, or have different configurations than those shown in the figures. The components shown in the figures may be implemented in hardware, software, or a combination thereof.

The air conditioner comfort energy-saving control device 6 and the air conditioner 1 provided by the embodiment have the beneficial effects that:

2. according to the inner disk temperature T_pReasonable temperature intervals can be marked out, the frequency F of the compressor can be adaptively adjusted according to each temperature interval, constant-temperature air outlet is realized, and the comfort of a room is kept;

3. according to the inner disk temperature difference delta T, the inner disk temperature T_pAnd the defrosting mode is controlled to be started under the condition of continuous descending, so that the starting time is accurate, and the energy consumption is saved.

In the embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. The apparatus embodiments described above are merely illustrative and, for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s).

It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved.

It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

In addition, each functional module in the embodiments of the present application may be integrated together to form an independent part, or each module may exist alone, or two or more modules may be integrated to form an independent part.

The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiment of the present application. And the aforementioned storage medium includes: u disk, removable hard disk, read only memory, random access memory, magnetic or optical disk, etc. for storing program codes.

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

1. An energy-saving control method for comfort of an air conditioner is characterized by comprising the following steps:

According to the outer ring temperature T_hControlling the air conditioner to operate according to the corresponding compressor frequency F, comprising:

When X is less than or equal toT_hWhen the frequency is less than or equal to Y, controlling the frequency F of the compressor to be F_m；

When Y is less than T_hWhile controlling the compressor frequency F to be a preset frequency F_Y；

Wherein X, Y is preset temperature, and X is less than Y; f_Y、F_m、F_maxAre all at a predetermined frequency, and F_Y＜F_m＜F_maxAt a predetermined frequency F_mThe calculation formula of (2) is as follows: f_m=F_Y+（Y-T_h）*（F_max-F_Y）/（Y-X）；

According to the outer ring temperature T_hThe temperature T of the inner ring_eAnd the inner disc temperature T_pAdjusting the compressor frequency F;

according to the temperature T of the inner disc_pObtaining the temperature difference delta T of the inner disc;

and controlling the start and stop of the defrosting mode according to the inner disc temperature difference delta T.

2. The comfort energy-saving control method of an air conditioner according to claim 1, wherein the step of controlling the defrosting mode according to the inner pan temperature difference Δ T comprises:

and when the temperature difference delta T of the inner disc is larger than the preset temperature difference, starting a defrosting mode.

3. The air conditioner comfort energy-saving control method according to claim 1, wherein the outer ring temperature T is based on_hThe temperature T of the inner ring_eAnd the inner disc temperature T_pThe step of adjusting the compressor frequency F comprises:

when T is_h≥A、T_e≥M、T_p≤Y₁Adjusting the compressor frequency F to increase;

when T is_h≥A、T_e＜M、T_p≤Y₂Adjusting the compressor frequency F to increase;

wherein, A, M, X₁、Y₁、X₂、Y₂Are all preset temperatures.

4. The air conditioner comfort energy-saving control method according to claim 1, wherein the outer ring temperature T is based on_hThe temperature T of the inner ring_eAnd the temperature T of the inner disk_pAnd the step of adjusting the compressor frequency F comprises:

when T is_h＜A、T_e≥N、T_p≤Y₃Adjusting the compressor frequency F to increase;

when T is_h＜A、T_e＜N、T_p≤Y₄Adjusting the compressor frequency F to increase;

wherein, A, N, X₃、Y₃、X₄、Y₄All are preset temperatures.

5. The air conditioner comfort energy-saving control method according to claim 3 or 4, wherein the step of adjusting the increase of the compressor frequency F is followed by the step of adjusting the increase of the compressor frequency F according to the inner disc temperature T_pThe step of obtaining the inner disc temperature difference delta T comprises the following steps:

when the temperature T of the inner disc is_pContinuously increasing in N continuous periods, and returning to detect the inner ring temperature T_e；

When the temperature T of the inner disc is_pNot continuously increasing in N continuous periods, according to the temperature T of the inner disk_pAnd obtaining the temperature difference delta T of the inner disc, wherein N is more than or equal to 2.

6. The utility model provides an air conditioner travelling comfort energy-saving control device which characterized in that, air conditioner travelling comfort energy-saving control device includes:

a memory;

a processor for reading a program in the memory to implement the method of any one of claims 1 to 5.

7. An air conditioner is characterized by comprising a controller, wherein the controller is used for acquiring the outer ring temperature T in a heating mode_hInner ring temperature T_eAnd inner disc temperature T_pAccording to the outer ring temperature T_hControlling the air conditioner to operate according to the corresponding compressor frequency F, comprising:

Wherein X, Y is at a preset temperature, and X is less than Y; f_Y、F_m、F_maxAre all at a predetermined frequency, and F_Y＜F_m＜F_maxAt a predetermined frequency F_mThe calculation formula of (2) is as follows: f_m=F_Y+（Y-T_h）*（F_max-F_Y）/（Y-X）；

According to the outer ring temperature T_hThe temperature T of the inner ring_eAnd the inner disc temperature T_pAdjusting the compressor frequency F; according to the temperature T of the inner disc_pObtaining the temperature difference delta T of the inner disc; and controlling the start and stop of the defrosting mode according to the inner disc temperature difference delta T.

8. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1 to 5.