Compressor control method and device, air conditioning equipment and storage medium

Abstract

The application discloses a kind of compressor control method, device, air conditioning equipment and storage medium, the method includes: in the variable frequency operation process of compressor, the target operating frequency of compressor is obtained;In the time period when the target operating frequency of compressor is lower than set frequency, control the carrier frequency of compressor is in the first frequency range;Frequency point in the first frequency range is greater than the frequency range of user hearing, the motion noise generated by compressor lower than set frequency operation is less than the electromagnetic noise generated by the carrier frequency of compressor in the second frequency range, and frequency point in the second frequency range is less than frequency point in the first frequency range.The present application is used to solve the technical problem that electromagnetic noise is obvious when compressor runs at low frequency.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of low frequency, and particularly relates to a compressor control method and device, an air conditioning equipment and a storage medium. BACKGROUND

[0002] The compressor of a variable frequency air conditioner uses pulse width modulation technology to control the motor, and thus electromagnetic noise is generated, which is high frequency noise of the carrier frequency and integer multiple frequency. The electromagnetic noise is transmitted to the human ear through the shell of the motor, and thus the user feels annoyed. The electromagnetic noise is an important factor affecting the noise value of the whole machine, and is one of the main reasons for poor user listening experience.

[0003] When the compressor of the variable frequency air conditioner is running at high frequency, the motion noise (including airflow noise and mechanical noise) of the compressor is large, and can cover the electromagnetic noise. However, when the compressor is running at low frequency, the motion noise of the compressor is small because of low speed, and thus the electromagnetic noise is obvious, and the high frequency electromagnetic noise makes the user have poor listening experience. SUMMARY

[0004] The present application provides a compressor control method and device, an air conditioning equipment and a storage medium, to solve the technical problem that the electromagnetic noise is obvious when the compressor is running at low frequency.

[0005] In a first aspect of the present application, a compressor control method is provided, comprising: obtaining a target running frequency of a compressor during variable frequency operation of the compressor; controlling a carrier frequency of the compressor to be in a first frequency range during a time period when the target running frequency of the compressor is lower than a set frequency; wherein the frequency points in the first frequency range are greater than the frequency range of human hearing, and the motion noise generated by the compressor running below the set frequency is less than the electromagnetic noise generated by the carrier frequency of the compressor being in a second frequency range, and the frequency points in the second frequency range are less than the frequency points in the first frequency range.

[0006] In combination with the first aspect, in some embodiments, after obtaining the running frequency of the compressor, the method further comprises: controlling the carrier frequency of the compressor to be in the second frequency range during a time period when the target running frequency of the compressor is not lower than the set frequency.

[0007] In combination with the first aspect, in some embodiments, the control of the carrier frequency of the compressor to be in the first frequency range comprises: gradually increasing the carrier frequency of the compressor to a first target frequency point in the first frequency range according to a first preset step when the target running frequency of the compressor changes from a state of not being lower than the set frequency to a state of being lower than the set frequency.

[0008] In combination with the first aspect, in some embodiments, the control of the carrier frequency of the compressor within the first frequency range further comprises: after the carrier frequency of the compressor is raised to the first target frequency point, the carrier frequency of the compressor is controlled to dynamically vary within the first frequency range.

[0009] In combination with the first aspect, in some embodiments, the control of the carrier frequency of the compressor to dynamically vary within the first frequency range comprises: a white noise sequence is injected to the carrier frequency of the compressor, so that the carrier frequency of the compressor randomly varies within the first frequency range.

[0010] In combination with the first aspect, in some embodiments, the control of the carrier frequency of the compressor within the second frequency range comprises: when the target operating frequency of the compressor changes from a state lower than the set frequency to a state not lower than the set frequency, the carrier frequency of the compressor is gradually reduced to a second target frequency point within the second frequency range according to a second preset step length.

[0011] In combination with the first aspect, in some embodiments, the first frequency range is 17KHz-19KHz; and the second frequency range is 3KHz-10KHz.

[0012] In a second aspect of the present application, a compressor control device is provided, comprising: a frequency acquisition unit, configured to acquire a target operating frequency of a compressor during a variable frequency operation of the compressor; and a first carrier frequency control unit, configured to control a carrier frequency of the compressor to be within a first frequency range during a time period when the target operating frequency of the compressor is lower than a set frequency; wherein a frequency point within the first frequency range is greater than a frequency range of human hearing, and a motion noise generated by the compressor operating at a frequency lower than the set frequency is less than an electromagnetic noise generated by the carrier frequency of the compressor being within a second frequency range, and a frequency point within the second frequency range is less than the frequency point within the first frequency range.

[0013] In a third aspect of the present application, an air conditioning device is provided, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the compressor control method of any of the embodiments of the first aspect when executing the computer program.

[0014] In a fourth aspect of the present application, a computer readable storage medium is provided, which stores a computer program executable by a processor to implement the compressor control method of any of the embodiments of the first aspect.

[0015] According to one or more embodiments of the present application, at least the following technical effects or advantages are achieved:

[0016] The target operation frequency of the compressor is acquired during the variable frequency operation of the compressor; the carrier frequency of the compressor is controlled to be in a first frequency range during a time period when the target operation frequency of the compressor is lower than a set frequency; the frequency points in the first frequency range are greater than the frequency range of human hearing, the motion noise generated by the compressor operating at a lower frequency is less than the electromagnetic noise generated by the carrier frequency of the compressor in a second frequency range, and the frequency points in the second frequency range are less than the frequency points in the first frequency range. The target operation frequency of the compressor being lower than the set frequency means that the compressor is operating at a low frequency. The main noise during the low frequency operation of the compressor is electromagnetic noise, and at this time, the carrier frequency of the compressor is controlled to be in the first frequency range greater than the frequency range of human hearing, so that the user cannot hear the electromagnetic noise. Thus, the harm of electromagnetic noise during the low frequency operation of the compressor is improved, and the user experience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0018] Figure 1 The flow chart of the compressor control method in the embodiment of the present application is shown;

[0019] Figure 2 The schematic diagram of the carrier frequency of the compressor in the first frequency range in the embodiment of the present application is shown;

[0020] Figure 3 The execution logic of the compressor control method in the embodiment of the present application is shown;

[0021] Figure 4 The structure schematic diagram of the compressor control device in the embodiment of the present application is shown;

[0022] Figure 5 The structure schematic diagram of the air conditioning equipment in the embodiment of the present application is shown. DETAILED DESCRIPTION

[0023] In order to make the objects, technical solutions and advantages of the present application clearer, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0024] It should be noted that the terms "first", "second", and the like in the description and claims of the application and the above drawings are used to distinguish between similar objects, and are not necessarily used to describe a particular sequential or chronological order. It should be understood that the use of such terms as "first", "second", and the like, if used herein, can be interchanged, as appropriate, to describe the embodiments of the application described herein, which can be carried out in other than the order shown or described herein. Furthermore, the terms "comprise" and "have", and any variations thereof, are intended to cover non-exclusive inclusion, for example, processes, methods, systems, products, or devices that include a series of steps or units without necessarily being limited to those clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products, or devices.

[0025] The application provides a compressor control method applied to an electrical appliance having a compressor. The electrical appliance herein can be a variable frequency air conditioner, a variable frequency refrigerator or a heat pump type water heater. Figure 1 The flowchart of the compressor control method in the embodiments of the application is shown in FIG. 1. As shown in the figure, the compressor control method comprises the following steps S101-S103: Figure 1

[0026] S101: During the variable frequency operation of the compressor, the target operating frequency of the compressor is obtained.

[0027] It should be understood that, as the temperature of the area of the electrical appliance changes, the temperature difference between the temperature of the area of the electrical appliance and the user set temperature changes accordingly, and the target operating frequency of the compressor dynamically changes within a certain frequency range following the change of the temperature difference. Taking the variable frequency air conditioner as an example, the indoor temperature is obtained, and the target operating frequency of the compressor is determined according to the indoor temperature and the user set temperature. It should be noted that, in the related art, the target operating frequency is used to adjust the operating frequency of the compressor, so that the indoor temperature reaches the user set temperature.

[0028] With the dynamic change of the target operating frequency of the compressor, sometimes it is lower than the set frequency, and sometimes it is greater than or equal to the set frequency. Therefore, in some embodiments of the application, according to the size relationship between the target operating frequency of the compressor and the set frequency, the carrier frequency of the compressor is different, as follows steps S102 and S103.

[0029] S102: During the period when the target operating frequency of the compressor is lower than the set frequency, the carrier frequency of the compressor is controlled to be within a first frequency range, wherein the frequency points within the first frequency range are greater than the frequency range of the human ear, and the motion noise generated by the operation of the compressor below the set frequency is less than the electromagnetic noise generated by the carrier frequency of the compressor within a second frequency range, and the frequency points within the second frequency range are less than the frequency points within the first frequency range.

[0030] ​It should be noted that the frequency range of the hearing of the majority of people is 20 Hz-13 kHz, and 1 kHz-13 kHz is the sound that the human ear feels sharp and is seriously damaged. Therefore, the lower limit frequency point of the first frequency range is greater than 13 kHz. For children and other low-age groups, higher frequency noise can be heard. Therefore, the lower limit frequency point of the first frequency range can be appropriately increased to avoid interference of electromagnetic noise on low-age groups. For example, the lower limit frequency point of the first frequency range can be set to 17 kHz. On this basis, the upper limit frequency point of the first frequency range can also be limited to avoid the carrier frequency being too large to affect the energy efficiency of the driving system of the compressor. Based on the above purpose, in some embodiments, the first frequency range can be set to 17 kHz-19 kHz. Such a first frequency range improves the electromagnetic noise of the compressor when running at a low frequency while minimizing the impact on the energy efficiency of the driving system of the compressor.

[0031] According to the above one or more embodiments of the present application, during the low-frequency running stage of the compressor, the carrier frequency of the compressor is controlled to be in the first frequency range greater than the frequency range of the user's hearing, so that the user cannot hear the electromagnetic noise. Therefore, the electromagnetic noise hazard of the compressor when running at a low frequency is improved, and the user experience is improved.

[0032] It can be understood that since the target running frequency of the compressor is dynamically changed, in some embodiments, step S103 can also be included: controlling the carrier frequency of the compressor to be in the second frequency range when the target running frequency of the compressor is not lower than the set frequency. In some embodiments, the second frequency range is 3 kHz-10 kHz. Although the second frequency range is in the frequency range of the human ear hearing, since the motion noise generated by the compressor running at a set frequency is greater than the electromagnetic noise of the compressor, the main noise is no longer electromagnetic noise, and the user basically cannot feel the electromagnetic noise. By reducing the carrier frequency of the compressor to the second frequency range instead of continuing in the first frequency range, the energy efficiency of the driving system of the compressor can be developed to the best.

[0033] It can be understood that, in the time period when the target operating frequency is not lower than the set frequency, the carrier frequency of the compressor can be controlled to be fixed at a second target frequency point in the second frequency range, so as to improve the stability of the compressor operation. In the specific implementation process, a suitable second target frequency point in the second frequency range can be selected according to actual needs. It should be noted that, for the same compressor, the second target frequency point is a pre-set fixed frequency point, such as any one of 3KHz, 6KHz or 10KHz. In each time period when the target operating frequency of the compressor is not lower than the set frequency, the second target frequency point is the same fixed frequency point. For example, in each time period when the target operating frequency is not lower than the set frequency, the carrier frequency of the compressor can be controlled to be fixed at 6KHz.

[0034] In some embodiments, controlling the carrier frequency of the compressor to be in the first frequency range can include: when the target operating frequency of the compressor changes from a state of not being lower than the set frequency to a state of being lower than the set frequency, gradually increasing the carrier frequency of the compressor to a first target frequency point in the first frequency range according to a first preset step size. By gradually increasing the carrier frequency of the compressor, smooth adjustment of the carrier frequency is achieved, and the stability of the compressor operation is improved. It can be understood that, in the process of variable frequency operation of the compressor, the target operating frequency of the compressor can be continuously acquired at a pre-set time interval; whether the target operating frequency of the compressor changes from a state of not being lower than the set frequency to a state of being lower than the set frequency is determined based on the target operating frequencies acquired at adjacent two times; if so, the step of gradually increasing the carrier frequency of the compressor to the first target frequency point in the first frequency range according to the first preset step size is triggered, so that the carrier frequency of the compressor gradually increases from the second target frequency point to the first target frequency point.

[0035] In some embodiments, the first target frequency point can be pre-set as any one fixed frequency point in the first frequency range, such as 18KHz when the first frequency range is 17kHz-19kHz. Then, when the target operating frequency of the compressor changes to a state of being lower than the set frequency, the carrier frequency of the compressor is triggered to gradually increase to 18KHz.

[0036] It can be understood that the first preset step size can be set as the increase amount of the carrier frequency per unit time according to actual needs. For example, the first preset step size can be 0.15KHz per 100 milliseconds or 0.2KHz per 200 milliseconds. However, the specific value of the first preset step size is not limited in this paper.

[0037] Understandably, the set frequency is the low-frequency operating point of the compressor, which can be predetermined and programmed. This can be achieved by testing the compressor's variable frequency operation while its carrier frequency is at the second target frequency point. As the compressor's operating frequency decreases, its noise level will decrease accordingly. Therefore, the operating frequency at which the compressor's operating noise is comparable to electromagnetic noise can be used as the set frequency.

[0038] In some implementations, after the compressor's carrier frequency is increased to a first target frequency, the first target frequency can be kept constant. Taking a first target frequency of 18 kHz as an example, after gradually increasing the compressor's carrier frequency to 18 kHz, it stops increasing and remains constant at 18 kHz.

[0039] In other embodiments, after raising the compressor's carrier frequency to a first target frequency, the compressor's carrier frequency can be controlled to dynamically vary within a first frequency range. It is understood that injecting a white noise sequence into the compressor's carrier frequency can cause the carrier frequency to vary randomly within the first frequency range, thereby distributing energy more evenly and improving noise peaks. Figure 2 This is a schematic diagram illustrating how the carrier frequency of the compressor randomly varies within a first frequency range in an embodiment of the present invention. Figure 2 As shown, the white noise sequence can be a random number sequence with values ​​between 0 and 2 kHz that conforms to a normal distribution. At each time step, the random number in the sequence at that time is added to the fundamental frequency to obtain the carrier frequency of the compressor at that time. Let the random number be denoted as Xi, and the fundamental frequency be 17 kHz; then the carrier frequency at any time is 17 + Xi. i This allows the compressor's carrier frequency to randomly vary within the range of 17kHz to 19kHz after reaching 18kHz, thus improving noise peak.

[0040] In some embodiments, the carrier frequency of the compressor is controlled to be in the second frequency range, which can include: when the target operating frequency of the compressor changes to a state not lower than the set frequency, gradually lowering the carrier frequency of the compressor to a second target frequency point in the second frequency range according to a second preset step size. By gradually lowering the carrier frequency, smooth adjustment of the carrier frequency is achieved, improving the stability of the compressor operation. It can be understood that the second preset step size can use the same or different step size value as the first preset step size. It can be understood that during the variable frequency operation of the compressor, it is determined whether the target operating frequency of the compressor changes from a state not lower than the set frequency to a state lower than the set frequency based on the target operating frequency obtained at the adjacent two times; if so, the step of gradually lowering the carrier frequency of the compressor to the second target frequency point in the second frequency range according to the second preset step size is triggered, so that the carrier frequency of the compressor gradually increases from the current frequency point in the first frequency range to the second target frequency point, and remains at the second target frequency point after increasing to the second target frequency point.

[0041] Taking 18KHz as the first target frequency point and 6KHz as the second target frequency point, if the carrier frequency of the compressor randomly changes to 17.5KHz and the target operating frequency of the compressor changes to a state not lower than the set frequency, the carrier frequency of the compressor is gradually lowered from 17.5KHz to 6KHz, and after being lowered to 6KHz, the carrier frequency of the compressor is maintained at 6KHz and does not change, until the target operating frequency of the compressor changes to a state lower than the set frequency, the carrier frequency of the compressor is gradually increased from 6KHz to 18KHz.

[0042] Figure 3 An execution logic of the compressor control method in the embodiment of the application is shown. In order to facilitate understanding of the compressor control method provided by the application, the following refers to Figure 3 A control logic of the compressor control method provided by the application is given taking a variable frequency air conditioner as an example:

[0043] Step S1: During the variable frequency operation of the variable frequency air conditioner, the target operating frequency of the compressor of the variable frequency air conditioner is continuously acquired at a preset time interval.

[0044] Step S2: After acquiring the target operating frequency of the compressor at the adjacent two times, the target operating frequency of the compressor acquired at the current time is compared with the set frequency; if the target operating frequency acquired at the current time is lower than the set frequency, and the target operating frequency acquired at the last time is not lower than the set frequency, step S3 is entered; if the target operating frequency acquired at the current time is greater than or equal to the set frequency, and the target operating frequency acquired at the last time is lower than the set frequency, step S4 is entered.

[0045] Step S3: Increase the carrier frequency of the compressor from the second target frequency point to the first target frequency point according to the first preset step size; and after the carrier frequency of the compressor is increased to the first target frequency point, inject a white noise sequence into the carrier frequency of the compressor so that the carrier frequency of the compressor changes randomly within the first frequency range during the time period when the target operating frequency of the compressor is lower than the set frequency.

[0046] Step S4: According to the second preset step size, the carrier frequency of the compressor is gradually reduced from the current frequency point in the first frequency range to the second target frequency point; and during the time period when the target operating frequency of the compressor is not lower than the set frequency, the carrier frequency of the compressor is kept fixed at the second target frequency point.

[0047] Based on the same inventive concept, the present invention also provides a compressor control device. Figure 4 This is a schematic diagram of the compressor control device in an embodiment of the present invention. Figure 4 This is a schematic diagram of the compressor control device in an embodiment of the present invention. Figure 4 As shown, the compressor control device includes: a frequency acquisition unit 401, used to acquire the target operating frequency of the compressor during the variable frequency operation of the compressor; and a first carrier frequency control unit 402, used to control the carrier frequency of the compressor to be within a first frequency range during the time period when the target operating frequency of the compressor is lower than the set frequency; wherein, the frequency points within the first frequency range are greater than the frequency range of the user's hearing, the motion noise generated by the compressor operating below the set frequency is less than the electromagnetic noise generated by the carrier frequency of the compressor in a second frequency range, and the frequency points in the second frequency range are less than the frequency points in the first frequency range.

[0048] In some embodiments, the compressor control device further includes a second carrier frequency control unit, which controls the carrier frequency of the compressor to be within the second frequency range during a time period when the target operating frequency of the compressor is not lower than the set frequency.

[0049] In some embodiments, the first carrier frequency control unit 402 may include an up-frequency subunit, configured to gradually increase the carrier frequency of the compressor to a first target frequency point within the first frequency range according to a first preset step size when the target operating frequency of the compressor changes from a state not lower than the set frequency to a state lower than the set frequency.

[0050] In some embodiments, the first carrier frequency control unit 402 may further include a dynamic control subunit, used to control the carrier frequency of the compressor to dynamically change within the first frequency range after the carrier frequency of the compressor rises to the first target frequency point.

[0051] In some implementations, the dynamic control subunit is specifically used to: inject a white noise sequence into the carrier frequency of the compressor so that the carrier frequency of the compressor varies randomly within the first frequency range.

[0052] In some embodiments, the second carrier frequency control unit 403 may include a frequency reduction unit, used to gradually reduce the carrier frequency of the compressor to a second target frequency point within the second frequency range according to a second preset step size when the target operating frequency of the compressor changes from a state below the set frequency to a state not below the set frequency.

[0053] In some implementations, the first frequency range may be 17 kHz to 19 kHz; and the second frequency range may be 3 kHz to 10 kHz.

[0054] The aforementioned compressor control device can be used to implement the aforementioned compressor control method. More implementation details of the compressor control device can be found in the aforementioned compressor control method. For the sake of brevity, these details will not be repeated here.

[0055] Based on the same inventive concept, the present invention also provides an air conditioning device. Figure 5 A schematic diagram of the structure of an air conditioning device according to an embodiment of the present invention is shown. Figure 5 As shown, the air conditioning device may include: a memory 504, a processor 502, and a computer program stored in the memory 504 and executable on the processor 502. When the processor 502 executes the program, it implements the compressor control method of any of the aforementioned embodiments.

[0056] Among them, Figure 5 In this document, a bus architecture (represented by bus 500) is used. Bus 500 may include any number of interconnected buses and bridges, linking various circuits including one or more processors represented by processor 502 and memory represented by memory 504. Bus 500 may also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein. Bus interface 505 provides an interface between bus 500 and receiver 501 and transmitter 503. Receiver 501 and transmitter 503 may be the same element, i.e., a transceiver, providing a unit for communicating with various other devices over a transmission medium. Processor 502 is responsible for managing bus 500 and general processing, while memory 504 can be used to store data used by processor 502 during operation.

[0057] Based on the same inventive concept, the application further provides a computer readable storage medium, which has stored thereon a computer program, the program being executed by a processor to implement the compressor control method according to any one of the preceding embodiments.

[0058] Although some embodiments of the application have been described above, with a certain degree of particularity, one skilled in the art could make additional alterations and modifications to the embodiments without departing from the spirit and scope of the application. It is therefore intended to include within the ambit of the appended claims all such alterations and modifications as fall within the scope of the inventive concept.

[0059] Obviously, numerous modifications and variations of the present application are possible in light of the above teachings. It is therefore to be understood that within the scope of the appended claims and their equivalents, the application can be practiced otherwise than as specifically described.

Claims

1. A compressor control method, characterized in that, include: During the variable frequency operation of the compressor, the target operating frequency of the compressor is obtained; During the time period when the target operating frequency of the compressor is lower than the set frequency, the carrier frequency of the compressor is controlled to be within the first frequency range; Wherein, the frequency points within the first frequency range are greater than the frequency range of the user's hearing, the motion noise generated by the compressor operating below the set frequency is less than the electromagnetic noise generated by the compressor's carrier frequency within the second frequency range, and the frequency points within the second frequency range are less than the frequency points within the first frequency range.

2. The method as described in claim 1, characterized in that, After obtaining the compressor's operating frequency, the following is also included: During the time period when the target operating frequency of the compressor is not lower than the set frequency, the carrier frequency of the compressor is controlled to be within the second frequency range.

3. The method as described in claim 2, characterized in that, The control of the compressor's carrier frequency to be within a first frequency range includes: When the target operating frequency of the compressor changes from a state not lower than the set frequency to a state lower than the set frequency, the carrier frequency of the compressor is gradually increased to the first target frequency point within the first frequency range according to the first preset step size.

4. The method as described in claim 3, characterized in that, The method of controlling the carrier frequency of the compressor to be within the first frequency range further includes: After the carrier frequency of the compressor is increased to the first target frequency point, the carrier frequency of the compressor is controlled to dynamically change within the first frequency range.

5. The method as described in claim 4, characterized in that, The method of dynamically varying the carrier frequency of the compressor within the first frequency range includes: A white noise sequence is injected into the carrier frequency of the compressor to cause the carrier frequency of the compressor to vary randomly within the first frequency range.

6. The method as described in claim 2, characterized in that, The control of the carrier frequency of the compressor being within the second frequency range includes: When the target operating frequency of the compressor changes from a state lower than the set frequency to a state not lower than the set frequency, the carrier frequency of the compressor is gradually reduced to the second target frequency point within the second frequency range according to the second preset step size.

7. The method according to any one of claims 1-6, characterized in that: The first frequency range is 17kHz to 19kHz; and The second frequency range is 3KHz to 10KHz.

8. A compressor control device, characterized in that, include: The frequency acquisition unit is used to acquire the target operating frequency of the compressor during the variable frequency operation of the compressor; The first carrier frequency control unit is used to control the carrier frequency of the compressor to be within a first frequency range during the time period when the target operating frequency of the compressor is lower than the set frequency. Wherein, the frequency points within the first frequency range are greater than the frequency range of the user's hearing, the motion noise generated by the compressor operating below the set frequency is less than the electromagnetic noise generated by the compressor's carrier frequency within the second frequency range, and the frequency points within the second frequency range are less than the frequency points within the first frequency range.

9. An air conditioning device, characterized in that, It includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the compressor control method according to any one of claims 1-7.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the program is executed by the processor, it implements the compressor control method according to any one of claims 1-7.

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