Control method for air conditioner and air conditioner

Abstract

The present application relates to the technical field of air conditioners, and specifically provides a control method for an air conditioner and the air conditioner, aiming at solving the problem that the compressor of the existing air conditioner is prone to resonance with the gas conveying pipeline when running at low frequency and high-frequency sound is generated between the compressor and the gas conveying pipeline when running at high frequency. To this end, the air conditioner of the present application comprises a compressor, a gas conveying pipeline and a fixing member, the gas conveying pipeline comprises an air inlet pipe, an air return pipe and an air outlet pipe, the fixing member comprises a first part, a second part and a third part which can be separated and combined, the first part, the second part and the third part are respectively used for fixing the air inlet pipe, the air return pipe and the air outlet pipe, the fixing member is in communication connection with a controller of the air conditioner, and the control method comprises: acquiring the running frequency of the compressor; comparing the running frequency of the compressor with a preset running frequency; and selectively controlling the first part, the second part and the third part of the fixing member to separate or combine based on the comparison result to change the natural frequency of the gas conveying pipeline and the fixing member.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioners, and in particular provides a control method for an air conditioner and an air conditioner. Background Art

[0002] In recent years, with the continuous improvement of people's living standards and the continuous expansion of living space, central air conditioning has gradually been installed in various regions, thus placing higher demands on the applicability and reliability of air conditioning products. High-capacity outdoor unit output inevitably requires high-capacity compressor output. Therefore, compressors are designed with air injection and enthalpy increase to enhance compressor output capacity. However, the air supply pipeline corresponding to the compressor body is relatively slender. In addition, the compressor is the largest source of dynamic vibration for the entire outdoor unit. Therefore, the air supply pipeline of the compressor body is at risk of rupture during long-term operation of the outdoor unit. This can cause the outdoor unit to shut down and not operate normally, seriously affecting product quality.

[0003] To address the aforementioned issues, existing compressor gas pipelines are typically equipped with an integrated fixture. This fixture fits over the outside of the gas pipeline to secure it and absorb vibrations. However, because the compressor's operating frequency varies within a specific range, when the compressor's operating frequency coincides with the natural frequency of the integrated fixture and the gas pipeline, the integrated fixture and the gas pipeline will experience significant fluctuations. Furthermore, when the compressor's operating frequency is high, high-frequency sound can be heard between the gas pipeline and the fixture. Therefore, preventing these significant fluctuations and high-frequency sound between the fixture and the gas pipeline has become a pressing technical issue in the field.

[0004] In view of this, the art needs a new control method for an air conditioner and an air conditioner to solve the existing problems. Summary of the Invention

[0005] The present invention aims to solve the above technical problems, namely, to solve the problem that the compressor of the existing air conditioner easily resonates with the gas pipeline when running at low frequency and generates high-frequency sound when running at high frequency.

[0006] In a first aspect, the present invention provides a control method for an air conditioner, wherein the air conditioner includes a compressor, an air supply pipeline and a fixing part, the air supply pipeline includes an air intake pipe, an air return pipe and an exhaust pipe, the fixing part includes a first part, a second part and a third part that can be separated and merged, the first part, the second part and the third part are respectively used to fix the air intake pipe, the air return pipe and the exhaust pipe, the fixing part is communicatively connected to the controller of the air conditioner, and the control method includes: obtaining the operating frequency of the compressor; comparing the operating frequency of the compressor with a preset operating frequency; and selectively controlling the first part, the second part and the third part of the fixing part to separate or merge based on the comparison result.

[0007] In a specific embodiment of the above-mentioned control method for an air conditioner, the step of "selectively controlling the first part, the second part and the third part of the fixing member to separate or merge based on the comparison result" further includes: if the operating frequency of the compressor is less than the first preset frequency, then controlling the first part, the second part and the third part of the fixing member to separate from each other.

[0008] In a specific embodiment of the above-mentioned control method for an air conditioner, the step of "selectively controlling the first part, the second part and the third part of the fixing part to separate or merge based on the comparison result" further includes: if the operating frequency of the compressor is greater than or equal to the first preset frequency and less than or equal to the second preset frequency, then controlling the first part and the second part of the fixing part to merge.

[0009] In the specific implementation of the above-mentioned control method for an air conditioner, the step of "selectively controlling the first part, the second part and the third part of the fixing part to separate or merge based on the comparison result" further includes: if the operating frequency of the compressor is greater than or equal to the first preset frequency and less than or equal to the second preset frequency, then controlling the first part and the third part of the fixing part to merge.

[0010] In a specific embodiment of the above-mentioned control method for an air conditioner, the step of "selectively controlling the first part, the second part and the third part of the fixing member to separate or merge based on the comparison result" further includes: if the operating frequency of the compressor is greater than the second preset frequency, controlling the first part, the second part and the third part of the fixing member to merge.

[0011] In a specific implementation of the above-mentioned control method for an air conditioner, the step of "comparing the operating frequency of the compressor with the preset operating frequency" also includes: obtaining the stabilization time of the operating frequency of the compressor; judging whether the stabilization time of the operating frequency of the compressor reaches a first preset time; if the stabilization time of the operating frequency of the compressor reaches the first preset time, comparing the operating frequency of the compressor with the preset operating frequency, and selectively controlling the first part, the second part and the third part of the fixing member to separate or merge based on the comparison result.

[0012] In a specific embodiment of the above-mentioned control method for an air conditioner, displacement sensors are provided on the intake pipe, return pipe and exhaust pipe, and the displacement sensors are communicatively connected to the controller of the air conditioner. The step of "if the operating frequency of the compressor is less than the first preset frequency, then controlling the first part, the second part and the third part of the fixing member to separate from each other" further includes: controlling the displacement sensor to obtain the displacement of the intake pipe, the return pipe and the exhaust pipe; comparing the displacement of the intake pipe, the return pipe and the exhaust pipe with the size of the preset displacement; if the displacement of the intake pipe, the return pipe and the exhaust pipe is greater than or equal to the preset displacement, then controlling the first part, the second part and the third part of the fixing member to separate from each other.

[0013] In a specific embodiment of the above-mentioned control method for an air conditioner, sound sensors are provided on the intake pipe, return pipe and exhaust pipe, and the sound sensors are communicatively connected to the controller of the air conditioner. The step of "if the operating frequency of the compressor is greater than the second preset frequency, then controlling the first part, the second part and the third part of the fixing part to merge" further includes: controlling the sound sensor to obtain the sound of the intake pipe, the return pipe and the exhaust pipe; comparing the size of the sound of the intake pipe, the return pipe and the exhaust pipe with the preset sound; if the sound of the intake pipe, the return pipe and the exhaust pipe is greater than or equal to the preset sound, then controlling the first part, the second part and the third part of the fixing part to merge.

[0014] The present invention also provides an air conditioner, which includes a compressor, an air supply pipeline connected to the compressor, and a fixing part, the air supply pipeline including an air intake pipe, an air return pipe and an exhaust pipe, the fixing part including a first part, a second part and a third part that can be separated and combined, the first part, the second part and the third part are used to fix the air intake pipe, the air return pipe and the exhaust pipe respectively, the air intake pipe, the air return pipe and the exhaust pipe are provided with a displacement sensor and a sound sensor, the fixing part, the displacement sensor and the sound sensor are communicatively connected to the controller of the air conditioner, and the air conditioner can execute any one of the control methods for the air conditioner described in the above technical solutions.

[0015] In a specific embodiment of the above-mentioned air conditioner, a coil and a magnet are respectively provided on the first part and / or the second part and / or the third part of the fixing member, and the coil and the magnet are attracted to each other when the coil is energized in the forward direction, and repel each other with the magnet when the coil is energized in the reverse direction. The coil is communicatively connected to the controller of the air conditioner so that the controller can control the energization direction of the coil.

[0016] The technical effect of the present invention is as follows: the control method for an air conditioner of the present invention obtains the operating frequency of the compressor and compares the operating frequency of the compressor with the size of the preset operating frequency as a judgment condition, so as to control the separation or merging of the first part, the second part and the third part of the fixing part. Specifically, the natural frequency of the fixing part and the gas pipeline after combination is related to the size of the combination. The larger the size, the lower the natural frequency, and the smaller the size, the higher the natural frequency. Since the operating frequency of the compressor will vary within a set range during operation, when the operating frequency of the compressor is obtained to be relatively low, the controller of the air conditioner will control the first part, the second part and the third part of the fixing part to separate from each other to reduce the size of the combination of the fixing part and the gas pipeline, and at the same time increase the natural frequency of the combination of the fixing part and the gas pipeline to avoid the natural frequency of the combination of the fixing part and the gas pipeline being the same as the operating frequency of the compressor. causing resonance; when it is obtained that the operating frequency of the compressor is relatively high, in order to prevent the gas pipeline from vibrating at a higher frequency driven by the compressor and generating high-frequency sound, the controller of the air conditioner will control the first part, the second part and the third part of the fixing part to merge with each other. The merged fixing part merges the air inlet pipe, the air return pipe and the exhaust pipe of the gas pipeline into a whole, reducing the impact of vibration on the gas pipeline and calmly avoiding the occurrence of high-frequency sound, thereby solving the problem that the compressor of the existing air conditioner is prone to resonance with the gas pipeline when running at low frequency and generates high-frequency sound between the compressor and the gas pipeline when running at high frequency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

[0018] Figure 1 It is the main flow chart of the control method of the present invention;

[0019] Figure 2 is a flow chart of step S3 of the control method of the present invention;

[0020] Figure 3 is a flow chart of steps SA, SB, and SC in Example 1 of the control method of the present invention;

[0021] Figure 4 is a flow chart of embodiment 2 of the control method of the present invention;

[0022] Figure 5This is a flow chart of embodiment 3 of the control method of the present invention. DETAILED DESCRIPTION

[0023] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely intended to illustrate the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Those skilled in the art may adjust these embodiments as needed to suit specific applications.

[0024] Furthermore, it should be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0025] First, the compressor of an existing air conditioner is described. Existing compressor gas pipelines are typically provided with an integrated fixing, which is sleeved onto the outside of the gas pipeline to secure the gas pipeline and absorb vibrations on the gas pipeline. However, since the operating frequency of the compressor varies within a specific range, when the operating frequency of the compressor coincides with the natural frequency of the integrated fixing and the gas pipeline, the integrated fixing and the gas pipeline will experience significant fluctuations. On the other hand, when the operating frequency of the compressor is high, high-frequency sound will be generated between the gas pipeline and the fixing. Therefore, how to avoid significant fluctuations in the fixing and the gas pipeline and avoid high-frequency sound has become a technical problem that urgently needs to be solved in this field. To this end, the following implementation methods are proposed.

[0026] Example 1

[0027] like Figure 1-Figure 3 As shown, in order to solve the problem that the compressor of the existing air conditioner is prone to resonance with the air supply pipeline when operating at low frequency, and generates high-frequency sound between the compressor and the air supply pipeline when operating at high frequency, the air conditioner of the present invention includes a compressor, an air supply pipeline and a fixing member, the air supply pipeline includes an air intake pipe, an air return pipe and an exhaust pipe, the fixing member includes a first part, a second part and a third part that can be separated and combined, the first part, the second part and the third part are respectively used to fix the air intake pipe, the air return pipe and the exhaust pipe, the fixing member is communicatively connected to the controller of the air conditioner, and the control method includes:

[0028] S1. Obtain the operating frequency of the compressor;

[0029] S2. Compare the operating frequency of the compressor with the preset operating frequency;

[0030] S3. Selectively controlling the first part, the second part, and the third part of the fixing member to separate or merge based on the comparison result.

[0031] In the above steps, step S3 further includes:

[0032] S31. If the operating frequency of the compressor is less than a first preset frequency, control the first portion, the second portion, and the third portion of the fixing member to separate from each other;

[0033] S32: If the operating frequency of the compressor is greater than or equal to the first preset frequency and less than or equal to the second preset frequency, controlling the first part and the second part of the fixing member to merge;

[0034] S33. If the operating frequency of the compressor is greater than or equal to the first preset frequency and less than or equal to the second preset frequency, controlling the first part and the third part of the fixing member to merge;

[0035] S34: If the operating frequency of the compressor is greater than the second preset frequency, control the first part, the second part, and the third part of the fixing element to merge.

[0036] Before step S2, the following steps are also included:

[0037] SA, obtain the stabilization time of the compressor operating frequency;

[0038] SB, determining whether the stabilization time of the compressor operating frequency reaches a first preset time;

[0039] SC. If the stabilization time of the compressor operating frequency reaches the first preset time, the operating frequency of the compressor is compared with the preset operating frequency, and based on the comparison result, the first part, the second part and the third part of the fixing member are selectively controlled to separate or merge.

[0040] First, let's introduce the concept of "mode." "Mode" generally refers to different vibration modes or fundamental frequencies in a vibration system. "Modal excitation" refers to the use of external stimulation (such as force or energy input) to induce a vibration system into a specific vibration mode (this embodiment uses resonance and high-frequency sound generation as examples).

[0041] In the case of adopting the above embodiment, in order to avoid the mode of the combination of the fixing member and the gas pipeline from being excited, that is, to avoid resonance between the combination of the fixing member and the gas pipeline when the operating frequency of the compressor is low, and to drive the combination of the fixing member and the gas pipeline to generate high-frequency sound when the operating frequency of the compressor is high, the operating frequency of the compressor is first obtained in this embodiment. In order to make the obtained compressor frequency more accurate, the duration after the compressor operating frequency stabilizes can also be obtained. When the stabilization time of the compressor operating frequency reaches a first preset time (for example, 3S), the operating frequency of the compressor is compared with the preset operating frequency, and then the separation or merging of the first part, the second part and the third part of the fixing member are selectively controlled based on the comparison result. Specifically, if the operating frequency of the compressor is less than the first preset frequency (for example, 45 Hz), in order to avoid resonance between the combined assembly of the fixing member and the gas pipeline and the compressor, the first part, the second part and the third part of the fixing member are controlled to separate from each other; if the operating frequency of the compressor is greater than the second preset frequency (for example, 70 Hz), in order to avoid high-frequency sound generated by the compressor after the fixing member and the gas pipeline are separated, the first part, the second part and the third part of the fixing member are controlled to be combined; if the operating frequency of the compressor is greater than or equal to the first preset frequency and less than or equal to the second preset frequency, the fixing member and the gas pipeline are in an intermediate mode state. At this time, the first part and the second part of the fixing member can be controlled to be combined, or the first part and the third part of the fixing member can be controlled to be combined according to actual needs to avoid the intermediate mode of the fixing member and the gas pipeline from being excited, thereby avoiding resonance and high-frequency sound.

[0042] In addition, those skilled in the art will appreciate that the above-mentioned setting values ​​for the first preset time, the first preset frequency, and the second preset frequency are merely illustrative and cannot be used as limitations on the setting values ​​for the first preset time, the first preset frequency, and the second preset frequency. Those skilled in the art may also set them to other appropriate values ​​according to actual needs, and these changes are within the scope of protection of the present invention.

[0043] Example 2

[0044] In this embodiment, displacement sensors are provided on the air intake pipe, the air return pipe and the exhaust pipe, and the displacement sensors are connected to the controller of the air conditioner for communication. Figure 4 As shown, step S31 further includes:

[0045] S31A, controlling the displacement sensor to obtain the displacement of the intake pipe, the return pipe, and the exhaust pipe;

[0046] S31B, comparing the displacements of the intake pipe, the return pipe, and the exhaust pipe with the preset displacements;

[0047] S31C: If the displacements of the intake pipe, the return pipe, and the exhaust pipe are greater than or equal to the preset displacements, the first portion, the second portion, and the third portion of the fixing member are controlled to separate from each other.

[0048] As mentioned in the aforementioned first embodiment, regarding step S31, upon detecting that the operating frequency of the compressor is less than a first preset frequency, the first, second, and third portions of the fixed member are controlled to separate from each other. However, if the first, second, and third portions of the fixed member are not separated when the operating frequency of the compressor is low, resonance does not necessarily occur (resonance only occurs when the operating frequency of the compressor is consistent with the natural frequency of the combination of the fixed member and the gas pipeline). In this case, the possibility of resonance is simply greater. To further accurately determine whether resonance is about to occur, this embodiment uses a displacement sensor to detect the displacement (i.e., vibration amplitude) of the gas pipeline. When the displacement of the gas pipeline is greater than or equal to a preset displacement (e.g., 1 mm), it is determined that the combination of the fixed member and the gas pipeline is about to resonate with the compressor, and therefore the first, second, and third portions of the fixed member are controlled to separate from each other. Compared to the solution in the first embodiment, the determination of whether resonance is occurring is more accurate.

[0049] Example 3:

[0050] In this embodiment, sound sensors are provided on the air intake pipe, the air return pipe and the exhaust pipe, and the sound sensors are connected to the controller of the air conditioner for communication. Figure 5 As shown, step S34 further includes:

[0051] S34A, controlling the sound sensor to obtain the sounds of the intake pipe, the return pipe, and the exhaust pipe;

[0052] S34B, compare the volume of the sounds of the intake pipe, return pipe, and exhaust pipe with the preset sound;

[0053] S34C: If the sounds of the intake pipe, the return pipe, and the exhaust pipe are greater than or equal to the preset sounds, the first part, the second part, and the third part of the control fixing member are merged.

[0054] Similar to the logic in the aforementioned second embodiment, when it is detected that the operating frequency of the compressor is greater than the second preset frequency, high-frequency sound is not necessarily generated. Therefore, in this embodiment, the sound information of the gas pipeline is obtained through the sound sensor. When it is found that the sound of the gas pipeline is greater than or equal to the preset sound, it is determined that the combination of the fixing member and the gas pipeline has generated high-frequency sound under the drive of the compressor. Therefore, the first part, the second part, and the third part of the fixing member are controlled to be merged. Compared with the solution in the first embodiment, the judgment on whether high-frequency sound is generated is more accurate.

[0055] It should be noted that the above-mentioned embodiments are only used to illustrate the principles of the present invention and are not intended to limit the scope of protection of the present invention. Without departing from the principles of the present invention, those skilled in the art can adjust the above-mentioned structure so that the present invention can be applied to more specific application scenarios.

[0056] In addition, the present invention also provides an air conditioner, which includes a compressor, an air supply pipeline connected to the compressor, and a fixing part. The air supply pipeline includes an intake pipe, a return pipe and an exhaust pipe. The fixing part includes a first part, a second part and a third part that can be separated and merged. The first part, the second part and the third part are respectively used to fix the intake pipe, the return pipe and the exhaust pipe. The intake pipe, the return pipe and the exhaust pipe are provided with a displacement sensor and a sound sensor. The fixing part, the displacement sensor and the sound sensor are communicatively connected with the controller of the air conditioner, and the air conditioner can execute the control method for the air conditioner in any of the above-mentioned embodiments. A coil and a magnet are respectively provided on the first part and / or the second part and / or the third part of the fixing part. When the coil is energized in the forward direction, it attracts the magnet, and when the coil is energized in the reverse direction, it repels the magnet. The coil is communicatively connected with the controller of the air conditioner so that the controller can control the energization direction of the coil.

[0057] Those skilled in the art will appreciate that the air conditioner described above also includes some other well-known structures, such as a processor, a controller, and a memory. The memory includes, but is not limited to, random access memory, flash memory, read-only memory, programmable read-only memory, volatile memory, non-volatile memory, serial memory, parallel memory, or registers. The processor includes, but is not limited to, CPLD / FPGA, DSP, ARM processor, MIPS processor, etc. To unnecessarily obscure the embodiments of the present disclosure, these well-known structures are not shown in the drawings.

[0058] Although the various steps in the above embodiment are described in the above-mentioned order, those skilled in the art will understand that in order to achieve the effect of this embodiment, different steps do not have to be executed in such an order. For example, S1-S4, the serial numbers only represent step identifiers and do not represent the execution order of the steps. Those skilled in the art can make appropriate adjustments, and these simple changes are within the scope of protection of the present invention.

[0059] Thus far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art may make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will fall within the scope of protection of the present invention.

Claims

1. A control method for an air conditioner, characterized in that: The air conditioner includes a compressor, an air delivery pipeline, and a fixing member, wherein the air delivery pipeline includes an air intake pipe, an air return pipe, and an exhaust pipe, and the fixing member includes a first part, a second part, and a third part that can be separated and combined, and the first part, the second part, and the third part are respectively used to fix the air intake pipe, the air return pipe, and the exhaust pipe, and the fixing member is communicatively connected to the controller of the air conditioner. The control method includes: obtaining the operating frequency of the compressor; comparing the operating frequency of the compressor with a preset operating frequency; The first portion, the second portion, and the third portion of the fixing member are selectively controlled to separate or merge based on the comparison result.

2. The control method for an air conditioner according to claim 1, characterized in that: The step of "selectively controlling the first portion, the second portion, and the third portion of the fixing member to separate or merge based on the comparison result" further includes: If the operating frequency of the compressor is lower than a first preset frequency, the first part, the second part and the third part of the fixing member are controlled to separate from each other.

3. The control method for an air conditioner according to claim 1, characterized in that: The step of "selectively controlling the first portion, the second portion, and the third portion of the fixing member to separate or merge based on the comparison result" further includes: If the operating frequency of the compressor is greater than or equal to a first preset frequency and less than or equal to a second preset frequency, the first part and the second part of the fixing member are controlled to merge.

4. The control method for an air conditioner according to claim 1, characterized in that: The step of "selectively controlling the first portion, the second portion, and the third portion of the fixing member to separate or merge based on the comparison result" further includes: If the operating frequency of the compressor is greater than or equal to a first preset frequency and less than or equal to a second preset frequency, the first part and the third part of the fixing member are controlled to merge.

5. The control method for an air conditioner according to claim 1, characterized in that: The step of "selectively controlling the first portion, the second portion, and the third portion of the fixing member to separate or merge based on the comparison result" further includes: If the operating frequency of the compressor is greater than a second preset frequency, the first part, the second part and the third part of the fixing member are controlled to merge.

6. The control method for an air conditioner according to claim 1, characterized in that: Before the step of "comparing the operating frequency of the compressor with the preset operating frequency", the following steps are also included: Obtaining the stabilization time of the compressor operating frequency; Determining whether the stabilization time of the operating frequency of the compressor reaches a first preset time; If the stabilization time of the compressor operating frequency reaches a first preset time, the operating frequency of the compressor is compared with the preset operating frequency, and based on the comparison result, the first part, the second part and the third part of the fixing member are selectively controlled to separate or merge.

7. The control method for an air conditioner according to claim 2, characterized in that: The air inlet pipe, the air return pipe, and the exhaust pipe are provided with displacement sensors, and the displacement sensors are in communication with the controller of the air conditioner. The step of "controlling the first portion, the second portion, and the third portion of the fixing member to separate from each other if the operating frequency of the compressor is less than a first preset frequency" further includes: Controlling the displacement sensor to obtain the displacements of the intake pipe, the return pipe, and the exhaust pipe; Comparing the displacements of the intake pipe, the return pipe, and the exhaust pipe with the preset displacements; If the displacements of the air intake pipe, the air return pipe and the exhaust pipe are greater than or equal to the preset displacements, the first part, the second part and the third part of the fixing member are controlled to separate from each other.

8. The control method for an air conditioner according to claim 5, characterized in that: The air intake pipe, the air return pipe, and the exhaust pipe are provided with sound sensors, and the sound sensors are in communication with the controller of the air conditioner. The step of "if the operating frequency of the compressor is greater than a second preset frequency, controlling the first part, the second part, and the third part of the fixing member to merge" further includes: Controlling the sound sensor to obtain the sounds of the intake pipe, the return pipe, and the exhaust pipe; Comparing the sounds of the intake pipe, the return pipe, and the exhaust pipe with preset sounds; If the sounds of the intake pipe, the return pipe and the exhaust pipe are greater than or equal to a preset sound, the first part, the second part and the third part of the fixing member are controlled to merge.

9. An air conditioner, characterized in that: The air conditioner includes a compressor, an air supply pipeline connected to the compressor, and a fixing part, the air supply pipeline includes an air intake pipe, an air return pipe and an exhaust pipe, the fixing part includes a first part, a second part and a third part that can be separated and combined, the first part, the second part and the third part are used to fix the air intake pipe, the air return pipe and the exhaust pipe respectively, the air intake pipe, the air return pipe and the exhaust pipe are provided with a displacement sensor and a sound sensor, the fixing part, the displacement sensor and the sound sensor are communicatively connected with the controller of the air conditioner, and the air conditioner can execute the control method for the air conditioner described in any one of claims 1-8.

10. The air conditioner according to claim 9, characterized in that A coil and a magnet are respectively provided on the first part and / or the second part and / or the third part of the fixing member. When the coil is energized in the forward direction, it attracts the magnet, and when the coil is energized in the reverse direction, it repels the magnet. The coil is communicatively connected to the controller of the air conditioner so that the controller can control the energization direction of the coil.

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