CN114738949A

CN114738949A - Control method and device for mobile air conditioner and mobile air conditioner

Info

Publication number: CN114738949A
Application number: CN202210247832.8A
Authority: CN
Inventors: 张新朝; 耿宝寒; 闫长娟; 田雪梅; 胡志刚; 孙帅辉
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-12
Also published as: WO2023173765A1

Abstract

The application relates to the technical field of intelligent household appliances and discloses a control method for a mobile air conditioner, wherein a compressor of the mobile air conditioner is a variable frequency compressor, and the method comprises the following steps: detecting the current indoor environment temperature; determining the corresponding operating frequency interval of the compressor according to the detected temperature; and determining the target frequency of the compressor in the operating frequency region according to the difference value between the detected temperature and the target temperature, and controlling the operating target frequency of the compressor. The method determines a corresponding compressor operating frequency interval based on the current indoor ambient temperature. And then determining a more accurate target frequency of the compressor within the determined operating frequency interval based on the difference between the target temperature and the current indoor environment temperature. Therefore, the running frequency of the compressor can be accurately controlled, and the target temperature can be quickly reached. The working efficiency of the mobile air conditioner is improved. The application also discloses a control device of the mobile air conditioner, the mobile air conditioner and a storage medium.

Description

Control method and device for mobile air conditioner and mobile air conditioner

Technical Field

The present application relates to the field of intelligent household appliance technologies, and for example, to a method and an apparatus for controlling a mobile air conditioner, and a storage medium.

Background

At present, the mobile air conditioner is widely applied to scenes needing local space temperature regulation due to the characteristic that the mobile air conditioner can be moved randomly. The conventional fixed-frequency movable air conditioner has low working efficiency and reduces the comfort of users.

In the related art, a mobile air conditioner control method is disclosed, which includes detecting whether a low water level switch is triggered, and detecting whether the temperature of an evaporator is within a predetermined temperature range when the low water level switch is triggered; if the judgment result is yes, the compressor operates at the current frequency; if the judgment result is negative and the temperature of the evaporator is lower than the lowest temperature value of the preset temperature range, reducing the running frequency of the compressor; and if the judgment result is negative and the temperature of the evaporator is higher than the highest temperature value in the preset temperature range, increasing the running frequency of the compressor.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

in order to reduce the generation of condensed water in the related art, the evaporator temperature needs to be maintained within a preset temperature range by adjusting the frequency of the compressor. This results in the frequency of the compressor not being able to match the target temperature more accurately, reducing the refrigeration efficiency.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a control method and device for a mobile air conditioner, the mobile air conditioner and a storage medium, so as to improve the working efficiency of the variable-frequency mobile air conditioner and improve the comfort of a user.

In some embodiments, the method comprises: detecting the current indoor environment temperature; determining the corresponding operating frequency interval of the compressor according to the detected temperature; and determining the target frequency of the compressor in the operating frequency interval according to the difference value between the detected temperature and the target temperature, and controlling the operating target frequency of the compressor.

In some embodiments, the apparatus comprises: a processor and a memory storing program instructions, the processor being configured to execute the control method for a mobile air conditioner as described above when executing the program instructions.

In some embodiments, the mobile air conditioner includes: such as the aforementioned control device for the mobile air conditioner.

In some embodiments, the storage medium stores program instructions that, when executed, perform a control method for a mobile air conditioner as previously described.

The control method and device for the mobile air conditioner, the mobile air conditioner and the storage medium provided by the embodiment of the disclosure can realize the following technical effects:

and determining the compressor operation frequency interval corresponding to the indoor environment temperature based on the current indoor environment temperature. Further, a more accurate target frequency of the compressor is determined within the determined operating frequency interval based on the difference between the target temperature and the current indoor ambient temperature. Therefore, the running frequency of the compressor can be accurately controlled, and the target temperature can be quickly reached. The working efficiency of the mobile air conditioner is improved, and the comfort of a user is improved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated in the accompanying drawings, which correspond to the accompanying drawings and not in a limiting sense, in which elements having the same reference numeral designations represent like elements, and in which:

fig. 1 is a schematic diagram illustrating a control method for a mobile air conditioner according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram of another control method for a mobile air conditioner according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of another control method for a mobile air conditioner according to an embodiment of the present disclosure;

fig. 4 is a schematic view illustrating another control method for a mobile air conditioner according to an embodiment of the present disclosure;

fig. 5 is a schematic view of a control apparatus for a mobile air conditioner according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of another control device for a mobile air conditioner according to an embodiment of the present disclosure.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate for the embodiments of the disclosure described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.

The mobile air conditioner comprises a refrigeration cycle loop formed by a compressor, an evaporator, a condenser and a throttling device. Wherein, the compressor is the inverter compressor. Thus, the frequency of the compressor can be adjusted according to the requirements of users. In addition, in the embodiment of the disclosure, the air duct of the mobile air conditioner is a single air duct, and the evaporation side and the condensation side of the mobile air conditioner share one fan, so that the inlet air temperatures at the two sides are consistent. In this case, the temperatures of the evaporation side and the condensation side are acquired, and may be detected by one temperature sensor.

Referring to fig. 1, an embodiment of the present disclosure provides a control method for a mobile air conditioner, including:

s101, detecting the current indoor environment temperature by the temperature sensor.

And S102, the mobile air conditioner determines the corresponding operation frequency interval of the compressor according to the detected temperature.

And S103, the mobile air conditioner determines the target frequency of the compressor in the operation frequency interval according to the difference value between the detected temperature and the target temperature, and controls the compressor to operate the target frequency.

Here, a temperature sensor is installed in the mobile air conditioner or a space environment where the mobile air conditioner is located to acquire a current indoor ambient temperature in real time. And when the mobile air conditioner starts to operate, determining the operating frequency interval of the compressor according to the detected current indoor environment temperature. Generally, the higher the indoor ambient temperature to be temperature regulated, the higher the operating frequency of the compressor. Therefore, an operating frequency interval of the compressor is determined according to the indoor ambient temperature. The indoor environment temperature can be divided into several temperature intervals, such as high temperature, medium temperature, low temperature and the like, and each temperature interval corresponds to different operating frequency intervals of the compressor. And then, according to the difference value between the indoor environment temperature and the target temperature, determining the target operation frequency of the compressor in the corresponding operation frequency interval. Wherein, in the determined operation frequency interval, the target operation frequency of the compressor is different according to different difference values. For example, a larger difference indicates a higher user demand and a higher target frequency. That is, the larger the difference, the closer the target frequency is to the upper limit value in the determined operating frequency interval. Likewise, the smaller the difference, the closer the target frequency is to the lower limit value in the determined operating frequency interval. As such, when the mobile air conditioner is under a high load, the compressor is operated at a higher frequency. Can realize indoor quick refrigeration, also can guarantee the reliability and the stability of system's operation simultaneously. When the mobile air conditioner is under low load, the compressor is operated at a lower frequency. When the indoor environment is close to the target environment, the relative stability of the refrigerating capacity and the indoor heat load of the mobile air conditioner can be maintained, and energy is saved.

By adopting the control method for the mobile air conditioner, which is provided by the embodiment of the disclosure, the compressor operation frequency interval corresponding to the indoor environment temperature is determined based on the current indoor environment temperature. Further, a more accurate target frequency of the compressor is determined within the determined operating frequency interval based on the difference between the target temperature and the current indoor ambient temperature. Therefore, the running frequency of the compressor can be accurately controlled, and the target temperature can be quickly reached. The working efficiency of the mobile air conditioner is improved, and the comfort of a user is improved.

Optionally, in step S102, the determining, by the mobile air conditioner, an operating frequency interval of the corresponding compressor according to the detected temperature includes:

the mobile air conditioner determines an indoor environment temperature interval to which the detected temperature belongs.

The mobile air conditioner determines the operation frequency interval of the compressor corresponding to the detected temperature according to the mapping relation between the indoor environment temperature interval and the operation frequency interval of the compressor.

Here, after the current indoor ambient temperature is obtained, an indoor ambient temperature section in which the indoor ambient temperature is located is determined. As described above, the indoor ambient temperature may be divided into a plurality of sections. And for each interval the operating frequency interval of the corresponding compressor is matched. As an example, the indoor ambient temperature is divided into (∞, 16], (16, 19], (19, 23], (23, 27], (27, 30], (30, 33], (33, 36], (36, ∞ ]9 temperature intervals from low to high, and each temperature interval corresponds to one operating frequency interval of the compressor.

Furthermore, there are upper and lower limits for the operating frequency interval of each compressor, i.e. the highest and lowest frequencies of the interval. The maximum frequency is the maximum frequency of the compressor which is comprehensively determined according to the refrigerating capacity, the air outlet condition, the noise of the compressor and the like of the air conditioning system and meets the corresponding temperature interval. The lowest frequency is the lowest frequency of the compressor which meets the corresponding temperature range and is determined according to the refrigerating capacity and the indoor heat load condition of the air conditioning system.

Optionally, in step S103, the determining, by the mobile air conditioner, a target frequency of the compressor in the operating frequency region according to a difference between the detected temperature and the target temperature includes:

and under the condition that the difference value is less than or equal to the first temperature, the mobile air conditioner determines that the target frequency of the compressor is the lowest frequency of the operation frequency interval.

And under the condition that the difference value is greater than the first temperature and less than or equal to the second temperature, the mobile air conditioner determines that the target frequency of the compressor is the middle frequency of the operation frequency interval.

In case that the difference is greater than the second temperature, the mobile air conditioner determines that the target frequency of the compressor is the highest frequency of the operating frequency section.

In the embodiment of the disclosure, the target frequency of the compressor is determined according to the difference value between the current indoor temperature and the target temperature and the size of the temperature threshold. Specifically, a first temperature and a second temperature are set, and the magnitude of the difference is divided. And if the difference is less than or equal to the first temperature, the difference between the current indoor temperature and the target temperature is not large. At this time, the compressor may be operated at a lower frequency, reducing waste of resources while achieving the target temperature. In this case, the target frequency of the compressor is the lowest frequency of the operating frequency range. If the difference is larger than the first temperature and smaller than or equal to the second temperature, the difference indicates that a certain difference exists between the current indoor temperature and the target temperature. At this time, the middle frequency of the operation frequency interval is taken as the target frequency. The intermediate frequency refers to an intermediate value of an operating frequency interval, and if the frequency interval (80Hz-100Hz) is used, the intermediate frequency is 90 Hz. It should be noted that the median value is not an absolute median value. If the difference is greater than the second temperature, it indicates that the current indoor temperature is greater than the target temperature, and if the rapid temperature adjustment is to be achieved, the compressor is required to operate at a higher frequency. At this time, the highest frequency in the operating frequency interval is set as the target frequency.

In some embodiments, a third temperature is also set for further dividing the intermediate frequency. Wherein the first temperature is less than the third temperature, and the third temperature is less than the second temperature. Thus, the difference is divided into four intervals, and the two temperature intervals in the middle correspond to one middle frequency respectively. Therefore, the target frequency of the compressor is more accurate, and the target temperature is conveniently and quickly realized.

As shown in fig. 2, an embodiment of the present disclosure provides another control method for a mobile air conditioner, including:

And S103, determining the target frequency of the compressor in the operation frequency interval according to the difference value between the detected temperature and the target temperature by the mobile air conditioner, and controlling the compressor to operate the target frequency.

And S204, the mobile air conditioner adjusts the running frequency of the compressor according to the change condition of the difference value.

Here, after the compressor performs the target frequency for a certain period of time, the difference between the indoor ambient temperature and the target temperature becomes gradually smaller. In this case, it is necessary to adjust the operating frequency of the compressor according to the variation of the difference. Specifically, the indoor ambient temperature is detected again, and the difference between the indoor ambient temperature and the target temperature is obtained. Based on the difference, the target frequency of the compressor in the previous operating frequency interval is again determined. The target frequency is taken as a new target frequency, and the operating frequency of the compressor is adjusted to the new target frequency. As an example, the indoor temperature zone is divided into 9 zones as described above. The current indoor environment temperature is set to be 28 ℃, the refrigeration target temperature is set to be 24 ℃, the first temperature is 1 ℃, and the second temperature is 3 ℃. The current indoor ambient temperature belongs to the temperature interval (27, 30), and the difference Δ T from the target temperature is 4, the operating frequency interval of the compressor corresponding to the temperature interval is (f1, f2), the target frequency of the compressor is determined f2. according to the control logic, the difference is determined again, and the difference Δ T is set to 2, the operating frequency of the adjusted compressor is determined to be the intermediate value f3. between the operating frequencies f1 and f2 according to the control logic, until the operating frequency of the adjusted compressor is adjusted to the lowest frequency f1 of the operating frequency interval.

Referring to fig. 3, an embodiment of the present disclosure provides another control method for a mobile air conditioner, including:

And S102, the mobile air conditioner determines the corresponding operating frequency interval of the compressor according to the detected temperature.

S305, the mobile air conditioner acquires the wind gear change condition of the fan.

S306, under the condition that the wind gear of the fan is reduced, the mobile air conditioner determines the frequency threshold value of the compressor corresponding to the current wind gear.

And S307, the mobile air conditioner adjusts the operating frequency of the compressor according to the frequency threshold and the current operating frequency of the compressor.

In the embodiment of the disclosure, in the process of controlling the frequency of the compressor, the change condition of the wind gear of the fan needs to be detected. Typically, to achieve rapid regulation of the indoor ambient temperature, the fan windshield is typically the highest windshield. If the wind gear changes, the system load changes correspondingly. Especially when the wind gear is small, the wind gear is switched to a lower wind gear, and the system load is increased. If the compressor frequency continues to operate at the previous frequency, there is a strong possibility of instability in the operation of the system. Therefore, the highest frequency, i.e., the frequency threshold, at which the compressor is allowed to operate for different windgears is set. When the wind gear is smaller, a frequency threshold of the compressor is determined. The frequency of the compressor is adjusted based on the frequency threshold and the current operating frequency of the compressor. Therefore, the frequency of the compressor is consistent with the system load, and the stability of the system operation is ensured.

In addition, the change condition of the wind gear of the fan can be determined by detecting the rotating speed of the fan or acquiring a control instruction of the wind gear of the fan from a controller.

Optionally, in step S306, the determining, by the mobile air conditioner, a frequency threshold of a compressor corresponding to the current wind level includes:

the mobile air conditioner determines the frequency threshold value of the compressor corresponding to the gear according to the indoor environment temperature and the gear of the current wind gear.

Here, the correspondence relationship among the indoor ambient temperature, the gear position of the wind, and the frequency threshold of the compressor may be set. Specifically, the indoor ambient temperature is divided into different temperature intervals, and each temperature interval is provided with the highest frequency allowed by different windgears, namely a frequency threshold. As shown in table 1.

TABLE 1

Note that, the division of the temperature intervals in table 1 is not limited to this. The indoor ambient temperature may be divided into 9 intervals as described above, and the highest frequency allowed may be set for the windshield of each temperature interval. Generally, the temperature interval of the windshield is divided into a large temperature interval range. Generally, the higher the wind level, the higher the maximum allowable frequency of the compressor for the same temperature interval. The higher the temperature represented by the temperature interval, the higher the maximum frequency allowed by the compressor, for the same gear. The maximum allowable frequency of the compressor is the operating frequency at which the lowest cooling capacity is required to meet the cooling demand. It is particularly pointed out here that the risk of condensation exists when the mobile air conditioner is operated in low wind. Therefore, the highest allowable frequency of the compressor in low wind is required to not only meet the minimum cooling capacity, but also avoid the condensation caused by the low temperature of the evaporator.

Optionally, in step S307, the adjusting, by the mobile air conditioner, the operating frequency of the compressor according to the frequency threshold and the current operating frequency of the compressor includes:

in case that the frequency threshold is less than the current operation frequency of the compressor, the mobile air conditioner adjusts the operation frequency of the compressor to the frequency threshold.

In case that the frequency threshold is greater than or equal to the current operating frequency of the compressor, the mobile air conditioner maintains the operating frequency of the compressor.

Here, after the wind gear is changed and the frequency threshold corresponding to the current wind gear is determined, it is determined whether the current operating frequency exceeds the frequency threshold. If so, the operating frequency of the compressor is reduced. If not, the current operating frequency is maintained. Therefore, not only is enough refrigerating capacity in a room ensured, but also the reliable operation of the system can be ensured.

Referring to fig. 4, an embodiment of the present disclosure provides another control method for a mobile air conditioner, including:

s101, detecting the current indoor environment temperature by a temperature sensor.

And S408, detecting the temperature of the condenser coil by the temperature sensor.

And S409, controlling the compressor to reduce the frequency by the mobile air conditioner under the condition that the temperature of the condenser coil is greater than or equal to the temperature threshold value.

In the embodiment of the disclosure, a temperature sensor is arranged on the condenser coil and used for detecting the temperature of the condenser coil. If the condenser coil temperature is high and the compressor frequency is constant, this can result in increased system load. In this case, the compressor needs to be controlled to be down-clocked to protect the system. Specifically, frequency thresholds, such as a first frequency and a second frequency, may be set for defining the current frequency level of the compressor. Wherein the first frequency is greater than the second frequency. If the current frequency of the compressor is less than or equal to the second frequency, the compressor is controlled to down-convert at the first rate. And if the current frequency of the compressor is greater than the second frequency and less than or equal to the first frequency, controlling the compressor to reduce the frequency according to the second rate. Wherein, the first rate can take the value of 2Hz/s, and the second rate can take the value of 10 Hz/s.

Further, in addition to detecting the temperature of the condenser coil, the discharge temperature of the compressor, the compressor current, and the like may be detected. And setting corresponding threshold parameters, and controlling the compressor to reduce the frequency when the detection value is greater than or equal to the threshold parameters. The compressor is used for reducing the frequency to achieve the purpose of system protection.

As shown in fig. 5, an embodiment of the present disclosure provides a control apparatus for a mobile air conditioner, including a detection module 51, a determination module 52, and a control module 53. The detection module 51 is configured to detect a current indoor ambient temperature; the determination module 52 is configured to determine an operating frequency interval of the corresponding compressor according to the detected temperature; the control module 53 is configured to determine a target frequency of the compressor in the operating frequency interval according to a difference between the detected temperature and the target temperature, and control the compressor to operate the target frequency.

By adopting the control device for the mobile air conditioner, which is provided by the embodiment of the disclosure, the compressor operation frequency interval corresponding to the indoor environment temperature is determined based on the current indoor environment temperature. Further, a more accurate target frequency of the compressor is determined within the determined operating frequency interval based on the difference between the target temperature and the current indoor ambient temperature. Therefore, the running frequency of the compressor can be accurately controlled, and the target temperature can be quickly reached. The working efficiency of the mobile air conditioner is improved, and the comfort of a user is improved.

As shown in fig. 6, an embodiment of the present disclosure provides a control device for a mobile air conditioner, including a processor (processor)100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to perform the control method for the mobile air conditioner of the above-described embodiment.

In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.

The memory 101 is used as a computer readable storage medium for storing software programs, computer executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the control method for the mobile air conditioner in the above-described embodiment.

The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, memory 101 may include high speed random access memory and may also include non-volatile memory.

The embodiment of the disclosure provides a mobile air conditioner, which comprises the control device for the mobile air conditioner.

Embodiments of the present disclosure provide a storage medium storing computer-executable instructions configured to perform the above-described control method for a mobile air conditioner.

The storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.

The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable 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 embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.

The above description and the drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.

Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. 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). 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. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, 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.

Claims

1. A control method for a mobile air conditioner is characterized in that a compressor of the mobile air conditioner is an inverter compressor, and the control method comprises the following steps:

detecting the current indoor environment temperature;

determining the corresponding operating frequency interval of the compressor according to the detected temperature;

and determining the target frequency of the compressor in the operating frequency interval according to the difference value between the detected temperature and the target temperature, and controlling the operating target frequency of the compressor.

2. The method of claim 1, wherein determining the corresponding operating frequency interval of the compressor according to the detected temperature comprises:

determining an indoor environment temperature interval to which the detection temperature belongs;

and determining the operation frequency interval of the compressor corresponding to the detected temperature according to the mapping relation between the indoor environment temperature interval and the operation frequency interval of the compressor.

3. The method of claim 1, wherein determining the target frequency of the compressor in the operating frequency interval based on the difference between the detected temperature and the target temperature comprises:

determining the target frequency of the compressor as the lowest frequency of the operation frequency interval under the condition that the difference value is less than or equal to the first temperature;

determining the target frequency of the compressor as the intermediate frequency of the operation frequency interval under the condition that the difference value is greater than the first temperature and less than or equal to the second temperature;

and under the condition that the difference value is greater than the second temperature, determining the target frequency of the compressor as the highest frequency of the operation frequency interval.

4. The method of claim 1, wherein the mobile air conditioner is a single duct structure, the method further comprising:

acquiring the change condition of a wind gear of a fan;

determining a frequency threshold value of a compressor corresponding to the current wind shield under the condition that the wind shield of the fan is reduced;

and adjusting the operating frequency of the compressor according to the frequency threshold and the current operating frequency of the compressor.

5. The method of claim 4, wherein adjusting the operating frequency of the compressor based on the frequency threshold and the current operating frequency of the compressor comprises:

adjusting the operating frequency of the compressor to the frequency threshold value in the case that the frequency threshold value is less than the current operating frequency of the compressor;

in the case where the frequency threshold is greater than or equal to the current operating frequency of the compressor, the operating frequency of the compressor is maintained.

6. The method of claim 4, wherein determining the frequency threshold for the compressor corresponding to the current gear comprises:

and determining a frequency threshold value of a compressor corresponding to the gear according to the indoor environment temperature and the gear of the current wind gear.

7. The method according to any one of claims 1 to 6, further comprising:

detecting the temperature of a condenser coil;

and controlling the compressor to reduce the frequency under the condition that the temperature of the condenser coil is greater than or equal to the temperature threshold value.

8. A control apparatus for a mobile air conditioner comprising a processor and a memory storing program instructions, wherein the processor is configured to execute the control method for a mobile air conditioner according to any one of claims 1 to 7 when executing the program instructions.

9. A mobile air conditioner, comprising the control device for a mobile air conditioner according to claim 8.

10. A storage medium storing program instructions, characterized in that the program instructions, when executed, perform the control method for a mobile air conditioner according to any one of claims 1 to 7.