WO2023082621A1

WO2023082621A1 - Pipeline detection apparatus and air conditioner pipeline detection method

Info

Publication number: WO2023082621A1
Application number: PCT/CN2022/097382
Authority: WO
Inventors: 刘志萌; 吕福俊; 宋龙
Original assignee: 青岛海尔空调器有限总公司; 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2021-11-15
Filing date: 2022-06-07
Publication date: 2023-05-19
Also published as: CN114252219A

Abstract

Provided in the present application are a pipeline detection apparatus and an air conditioner pipeline detection method. The pipeline detection apparatus comprises a first monitoring probe, a second monitoring probe and a third monitoring probe, wherein the first monitoring probe is used for monitoring vibration displacement of a pipeline in a first direction, the second monitoring probe is used for monitoring vibration displacement of the pipeline in a second direction, and the third monitoring probe is used for monitoring vibration displacement of the pipeline in a third direction; and the first direction is an axis direction of the pipeline, the second direction is perpendicular to the first direction, and the third direction is perpendicular to the first direction and the second direction. According to the present embodiment, a first monitoring probe, a second monitoring probe and a third monitoring probe are provided, and are respectively used for monitoring vibration displacement of a pipeline in a first direction, a second direction and a third direction, such that vibration changes of the pipeline in a plurality of directions are mastered; and the pipeline detection apparatus is simple and has high accuracy, whether the pipeline is abnormal may be determined more accurately, the use being affected by the abnormal pipeline is avoided, and the later maintenance cost may also be reduced.

Description

Pipeline testing equipment and air conditioning pipeline testing method

Cross References to Related Applications

This application claims the priority of the Chinese patent application with application number 202111347767.8 and titled "Pipeline Inspection Equipment and Air Conditioning Pipeline Inspection Method" filed on November 15, 2021, which is incorporated herein by reference in its entirety.

technical field

The present application relates to the technical field of air conditioners, and in particular to a pipeline detection device and an air conditioner pipeline detection method.

Background technique

With the development of science and technology and the continuous improvement of people's living standards, air conditioners have entered thousands of households. During the operation of the air conditioner, the failure of the air conditioner pipeline will cause the air conditioner to fail to operate normally, so the detection of the pipeline is particularly important.

In the prior art, manual inspection is used to detect whether the air-conditioning pipeline is abnormal, and the accuracy of detecting the amplitude of the pipeline is poor, resulting in the problem that it is impossible to accurately determine whether the pipeline is abnormal.

Contents of the invention

The application provides a pipeline detection device and an air-conditioning pipeline detection method, which are used to solve the problem in the prior art that the accuracy of detecting pipeline amplitude is poor when detecting pipelines, resulting in the inability to accurately determine whether there is an abnormality in the pipeline.

The present application provides a pipeline detection device, including a first monitoring probe, a second monitoring probe and a third monitoring probe, the first monitoring probe is used to monitor the vibration displacement of the pipeline in the first direction, and the second monitoring probe It is used to monitor the vibration displacement of the pipeline in the second direction, and the third monitoring probe is used to monitor the vibration displacement of the pipeline in the third direction; wherein the first direction is the axial direction of the pipeline, and the The second direction is perpendicular to the first direction, and the third direction is perpendicular to the first direction and the second direction.

According to the pipeline testing equipment provided in the present application, the pipeline testing equipment further includes a connecting piece, the connecting piece includes a first connecting piece, a second connecting piece and a third connecting piece, and the first monitoring probe is fixed connected to the free end of the first connecting piece, the second monitoring probe is fixedly connected to the free end of the second connecting piece, the third monitoring probe is fixedly connected to the free end of the third connecting piece, Wherein at least two of the first connecting part, the second connecting part and the third connecting part are bendable.

According to a pipeline detection device provided in the present application, the pipeline detection device further includes a casing and a controller, the controller is arranged in the casing, and the first connecting piece and the second connecting piece And the third connecting piece is respectively connected to the housing, and the first monitoring probe, the second monitoring probe and the third monitoring probe are respectively electrically connected to the controller.

According to the pipeline detection equipment provided in the present application, the pipeline detection equipment further includes a display, and the display is used to display the data monitored by the first monitoring probe, the second monitoring probe, and the third monitoring probe. Data information.

According to the pipeline detection device provided in the present application, the pipeline detection device further includes a communication device, the communication device is used for electrical connection with the controller, and the communication device is in communication connection with the compressor.

According to a pipeline detection device provided in the present application, the pipeline detection device further includes an adjustment button, the first monitoring probe, the second monitoring probe and the third monitoring probe are camera probes, and the adjustment The button is used to adjust the focal length of the camera probe.

The present application also provides an air-conditioning pipeline detection method, including: acquiring the first amplitude of the first direction of the pipeline, the second amplitude of the second direction and the third amplitude of the third direction; wherein the first direction is the The axial direction of the pipeline, the second direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction and the third direction; at the first amplitude, the second amplitude And when at least one of the third amplitudes is greater than or equal to a preset amplitude, it is determined that the pipeline is abnormal.

According to an air-conditioning pipeline detection method provided in the present application, acquiring the first amplitude in the first direction of the pipeline, the second amplitude in the second direction, and the third amplitude in the third direction specifically includes: within the first preset time period, acquiring the first vibration displacement in the first direction, the second vibration displacement in the second direction, and the third vibration displacement in the third direction at intervals of a second preset duration, wherein the second preset duration is less than the specified the first preset duration; calculate the average value of the first vibration displacement, the average value of the second vibration displacement and the average value of the third vibration displacement, wherein the average value of the first vibration displacement is the the first amplitude, the average value of the second vibration displacement is the second amplitude, and the average value of the third vibration displacement is the third amplitude.

According to an air-conditioning pipeline detection method provided in the present application, the air-conditioning pipeline detection method further includes: obtaining the initial operating frequency and the current operating frequency of the compressor; The relationship between the difference and the preset threshold is used to obtain the first amplitude, the second amplitude, and the third amplitude.

According to an air-conditioning pipeline detection method provided in the present application, the first amplitude, the second The amplitude and the third amplitude include: acquiring the first amplitude, the second amplitude and The second amplitude; when the difference between the current operating frequency and the initial operating frequency is greater than or equal to the preset threshold, reacquire the current operating frequency of the compressor after a third preset time interval .

The pipeline detection equipment and air-conditioning pipeline detection method provided by this application are used to monitor the first direction, the second direction and the third direction of the pipeline respectively by setting the first monitoring probe, the second monitoring probe and the third monitoring probe. Vibration displacement, grasp the vibration changes in multiple directions of the pipeline; this kind of pipeline detection equipment is simple, and can detect the vibration displacement in multiple directions of the pipeline, with high accuracy, and can more accurately judge whether there is an abnormality in the pipeline, avoiding the The abnormality of the pipeline affects the use and can also reduce the maintenance cost in the later period.

Description of drawings

In order to more clearly illustrate the technical solutions in the present application or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are the For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is the structural representation of the detection equipment that the application provides;

Fig. 2 is a schematic flow chart of the air-conditioning pipeline detection method provided by the present application;

Reference signs:

1: Shell; 2: The first monitoring probe; 3: The second monitoring probe;

4: The third monitoring probe; 5: The first connecting piece; 6: The second connecting piece;

7: The third connector; 8: Display; 9: Switch;

10: Adjustment button.

Detailed ways

In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of this application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

A pipeline detection device and an air-conditioning pipeline detection method provided by the present application will be described below with reference to FIGS. 1 to 2 .

This embodiment provides a pipeline detection device, including a first monitoring probe 2, a second monitoring probe 3 and a third monitoring probe 4, the first monitoring probe 2 is used to monitor the vibration displacement of the pipeline in the first direction, and the second monitoring probe The probe 3 is used to monitor the vibration displacement in the second direction of the pipeline, and the third monitoring probe 4 is used to monitor the vibration displacement in the third direction of the pipeline; wherein the first direction is the axial direction of the pipeline, and the second direction is perpendicular to the second direction of the pipeline. One direction, the third direction is perpendicular to the first direction and the second direction.

The pipeline detection equipment provided in this embodiment includes multiple monitoring probes, which are used to monitor the vibration displacement of the pipeline in different directions, so as to fully grasp the changes of the pipeline; wherein, the multiple monitoring probes can be three, respectively The first monitoring probe 2 , the second monitoring probe 3 and the third monitoring probe 4 are respectively used to monitor the vibration displacement in different directions of the pipeline.

Specifically, the first monitoring probe 2 is used to monitor the vibration displacement in the first direction of the pipeline, wherein the first direction of the pipeline is the extension direction of the pipeline, which is also the axial direction of the pipeline, that is, the first monitoring probe 2 is used to monitor Vibration changes in the pipeline extension direction; the second monitoring probe 3 is used to monitor the vibration displacement of the pipeline in the second direction, wherein the second direction of the pipeline is perpendicular to the first direction, that is, the second direction is perpendicular to the axial direction of the pipeline, The second monitoring probe 3 is used to monitor the vibration change in the direction perpendicular to the pipeline axis; the third monitoring probe 4 is used to monitor the vibration displacement in the third direction of the pipeline, wherein the third direction of the pipeline is perpendicular to the first direction and vertical The second direction, that is, the first direction, the second direction and the third direction of the pipeline are perpendicular to each other, and the third monitoring probe 4 is used to monitor the vibration change of the pipeline perpendicular to the first direction and the second direction.

In this embodiment, by setting the first monitoring probe, the second monitoring probe and the third monitoring probe, they are respectively used to monitor the vibration displacement of the pipeline in the first direction, the second direction and the third direction, so as to grasp the vibration in multiple directions of the pipeline. Change; this kind of pipeline detection equipment is simple, and it can detect the vibration displacement in multiple directions of the pipeline with high accuracy. cost.

On the basis of the above-mentioned embodiments, the pipeline testing equipment provided by this embodiment further includes a connecting piece, the connecting piece includes a first connecting piece 5, a second connecting piece 6 and a third connecting piece 7, and the first monitoring probe 2 is fixedly connected to At the free end of the first connector 5, the second monitoring probe 3 is fixedly connected to the free end of the second connector 6, and the third monitoring probe 4 is fixedly connected to the free end of the third connector 7, wherein the first connector 5 , at least two of the second connecting piece 6 and the third connecting piece 7 can be bent.

In this embodiment, for the convenience of detection, the connectors are provided. The connectors include the first connector 5, the second connector 6 and the third connector 7, and also include the trunk, specifically the first connector 5, the second connector 6 and the third connector. The three connecting parts 7 are respectively connected with the trunk to form a whole, which is convenient to carry and can ensure the stability of the three connecting parts.

Wherein, the free end of the first connector 5 is provided with a first monitoring probe 2, wherein the first monitoring probe 2 is used to monitor the vibration displacement in the first direction of the pipeline; the free end of the second connector 6 is provided with a second monitoring probe 3, wherein the second monitoring probe 3 is used to monitor the vibration displacement in the second direction of the pipeline; the free end of the third connecting piece 7 is provided with a third monitoring probe 4, wherein the third monitoring probe 4 is used to monitor the third direction of the pipeline The vibration displacement of the pipeline; and then monitor the vibration displacement of the pipeline in different directions through a device.

Further, at least two of the first connecting part 5, the second connecting part 6 and the third connecting part 7 can be bent, that is, at least two of the first connecting part 5, the second connecting part 6 and the third connecting part 7 It is a flexible part, and the free end can change relative to the other end under the action of external force without rebounding, thereby changing the position of the monitoring probe.

In a specific embodiment, referring to FIG. 1, the second connecting part 6 and the third connecting part 7 are bendable, and when the position of the monitoring probe on the first connecting part 5 is determined, the second connecting part 6 and the third connecting piece 7 can change the positions of the second connecting piece 6 and the third connecting piece 7 according to the actual monitoring position, so that the second monitoring probe 3 on the second connecting piece 6 and the third connecting piece 7 on the second connecting piece 7 The position of the monitoring probe 4 changes; in this embodiment, by designing the second connecting piece 6 and the third connecting piece 7 to be bendable, the monitoring positions of the second monitoring probe 3 and the third monitoring probe 4 can be changed according to requirements, which is more flexible , Easy to operate.

In a preferred embodiment, the first connecting part 5 , the second connecting part 6 and the third connecting part 7 can all be bent freely, so that any connecting part can monitor multiple positions or orientations. For example, when monitoring the pipeline for the first time, the first monitoring probe 2 on the first connecting piece 5 can monitor the first direction, and the second monitoring probe 3 on the second connecting piece 6 can monitor the second direction , the third monitoring probe 4 on the third connecting piece 7 monitors the third direction; when the pipeline is monitored for the second time, the first monitoring probe 2 on the first connecting piece 5 can monitor the second direction of the pipeline. direction, the second monitoring probe 3 on the second connecting piece 6 monitors the third direction, and the third monitoring probe 4 on the third connecting piece 7 monitors the first direction; , the first monitoring probe 2 on the first connecting piece 5 can monitor the third direction of the pipeline, the second monitoring probe 3 on the second connecting piece 6 can monitor the first direction of the pipeline, and the third connecting piece The third monitoring probe 4 on 7 monitors the second direction, and the positions monitored by the first monitoring probe 2 , the second monitoring probe 3 and the third monitoring probe 4 can be changed during the monitoring process. The connection piece of this structure is simple and flexible and can monitor different directions of the pipeline according to actual needs.

In this embodiment, three monitoring probes are respectively arranged on the free end of the first connecting part 5, the free end of the second connecting part 6 and the free end of the third connecting part 7, and at least two connecting parts can be bent. The pipeline detection equipment is simple, not only can realize the monitoring of different directions of the pipeline, but also can realize simultaneous movement and synchronous detection, which helps to improve the accuracy of pipeline detection, and is convenient to carry.

In this embodiment, there is no specific limitation on the bendability of at least two connecting parts, which may be the first connecting part 5 and the second connecting part 6, or the first connecting part 5 and the third connecting part 7, or The second connecting piece 6 and the third connecting piece 7 may also be the first connecting piece 5 , the second connecting piece 6 and the third connecting piece 7 .

In this embodiment, there is no specific limitation on which direction the first monitoring probe 2 , the second monitoring probe 3 and the third monitoring probe 4 detect the vibration displacement of the pipeline, and it can be set according to the actual situation.

On the basis of the above-mentioned embodiments, the pipeline detection equipment provided by this embodiment also includes a housing 1 and a controller, the controller is arranged in the housing 1, the first connecting piece 5, the second connecting piece 6 and the third connecting piece The components 7 are respectively connected to the housing 1, and the first monitoring probe 2, the second monitoring probe 3 and the third monitoring probe 4 are respectively electrically connected to the controller.

Referring to FIG. 1 , the pipeline detection device provided in this embodiment also includes a housing 1 and a controller, the controller is arranged inside the housing 1 , the first connecting piece 5 is connected to the top of the housing 1 , and the first connecting piece 5 The free end of the free end is fixedly connected with the first monitoring probe 2, the first monitoring probe 2 is electrically connected with the controller inside the housing 1, and is used to receive the monitoring data of the first monitoring probe 2; the second connecting piece 6 is connected to the housing 1 The top end of the second connector 6 is fixedly connected with a second monitoring probe 3, and the second monitoring probe 3 is electrically connected to the controller inside the housing 1 for receiving the monitoring data of the second monitoring probe 3; the third The connecting piece 7 is connected to the top of the housing 1, the free end of the third connecting piece 7 is fixedly connected with the third monitoring probe 4, and the third monitoring probe 4 is electrically connected with the controller inside the housing 1 for receiving the third monitoring Monitoring data of probe 4.

In this embodiment, the first monitoring probe 2, the second monitoring probe 3 and the third monitoring probe 4 are respectively connected to the controller by connecting the first connecting part 5, the second connecting part 6 and the third connecting part 7 to the housing 1 The electrical connection is convenient for the controller to obtain the vibration displacement of the pipeline in different directions.

On the basis of the above-mentioned embodiments, further, the pipeline detection equipment in this embodiment also includes a display 8, and the display 8 is used to display the monitoring of the first monitoring probe 2, the second monitoring probe 3 and the third monitoring probe 4. data information.

Specifically, the display 8, the first monitoring probe 2, the second monitoring probe 3 and the third monitoring probe 4 are respectively electrically connected to the controller, and the controller receives the first monitoring probe 2, the second monitoring probe 3 and the third monitoring probe 4 The monitored vibration displacement data is fed back to the display 8, and the display 8 displays the vibration displacement data information monitored by the first monitoring probe 2, the second monitoring probe 3 and the third monitoring probe 4, which is convenient for monitoring personnel to use according to the monitored vibration displacement data. information to make a judgment.

In a specific embodiment, the display 8 is arranged on the side wall of the housing 1, which is convenient for inspectors to check the data information displayed on the display 8 and judge whether there is any abnormality in the pipeline. Optimize and improve.

In this embodiment, there is no specific limitation on the installation position of the display 8, which is convenient for inspection personnel to observe.

On the basis of the above embodiments, further, the pipeline detection device in this embodiment further includes a communication device, which is used for electrical connection with the controller, and the communication device is in communication connection with the compressor.

The communication device is a device for transmitting data. The communication device is used to communicate with the compressor, and can receive the compressor frequency of the compressor. The communication device is electrically connected to the controller, and then the controller obtains the frequency information of the compressor, and then the controller Make corresponding judgments based on the frequency information of the compressor.

On the basis of the above embodiments, the pipeline detection device further includes an adjustment button 10, the first monitoring probe 2, the second monitoring probe 3 and the third monitoring probe 4 are photographing probes, and the adjustment button 10 is used to adjust the focal length of the photographing probes.

Specifically, the first monitoring probe 2, the second monitoring probe 3, and the third monitoring probe 4 are camera probes, which can be used to take pictures; the adjustment button 10 is arranged on the housing 1 for adjusting the first camera probe and the second camera probe. And the focal length of the third camera probe. Wherein the adjustment button 10 can be arranged on the side wall of the casing 1, as shown in FIG. 1 .

In a preferred embodiment, the adjustment button 10 and the display 8 are arranged on the same wall, which is convenient for inspectors to observe the display 8 while adjusting the monitoring probe, and adjust according to the data displayed on the display 8, so as to avoid insufficient adjustment or adjustment transition.

In this embodiment, the setting position of the adjustment button 10 is not specifically limited, as long as the adjustment function can be realized.

In this embodiment, the first monitoring probe 2, the second monitoring probe 3 and the third monitoring probe 4 are not specifically limited, they may be the same or different from each other, and the monitoring of the vibration displacement in different directions of the pipeline can be realized That's it.

On the basis of the above embodiments, the pipeline detection device provided in this embodiment further includes a switch 9, which is used to turn on or off the pipeline detection device. In a specific embodiment, the switch 9 is arranged on the side wall of the casing 1, as shown in FIG. 1 . In this embodiment, there is no specific limitation on the setting position of the switch 9, as long as it is convenient to open and close.

A method for detecting an air-conditioning pipeline provided by the present application is described below, and the method for detecting an air-conditioning pipeline described below and the pipeline detecting device described above can be referred to in correspondence.

This embodiment also provides an air-conditioning pipeline detection method, including: step 100, acquiring the first amplitude of the pipeline in the first direction, the second amplitude in the second direction, and the third amplitude in the third direction; wherein the first direction is In the axial direction of the pipeline, the second direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction and the third direction; step 200, at least one of the first amplitude, the second amplitude, and the third amplitude is greater than or equal to the preset In the case of vibration amplitude, it is determined that the pipeline is abnormal.

Fig. 2 is a schematic flow chart of the air-conditioning pipeline detection method provided by the present application. Referring to Fig. 2, step 100 obtains the first amplitude in the first direction of the pipeline, the second amplitude in the second direction, and the third amplitude in the third direction; Specifically, the first direction of the pipeline is the extension direction of the pipeline, which is also the axial direction of the pipeline, the second direction of the pipeline is perpendicular to the first direction, the third direction of the pipeline is perpendicular to the first direction, and is perpendicular to In the second direction, that is, the first direction, the second direction and the third direction are perpendicular to each other; the amplitude in the first direction is monitored by the first monitoring probe, and the first amplitude in the first direction of the pipeline is obtained, and monitored by the second monitoring probe The amplitude in the second direction is obtained by obtaining the second amplitude in the second direction of the pipeline, and the amplitude in the third direction is monitored by the third monitoring probe to obtain the third amplitude in the third direction of the pipeline.

Further, in step 200, when at least one of the first amplitude, the second amplitude, and the third amplitude is greater than or equal to the preset amplitude, determine that the pipeline is abnormal; that is, the first amplitude, the second amplitude, and the third amplitude of the pipeline The three amplitudes are compared with the preset amplitudes, and it is determined whether there is any abnormality in the pipeline according to the comparison results.

Specifically, in the case that any one of the first amplitude, the second amplitude, or the third amplitude is greater than or equal to the preset amplitude, it is determined that the pipeline is abnormal, and the first pipeline needs to be optimized and trimmed according to the monitoring data; When the first amplitude and the second amplitude are both greater than or equal to the preset amplitude, it is determined that the pipeline is abnormal, and the pipeline needs to be optimized and trimmed according to the monitoring data; when the second amplitude and the third amplitude are both greater than the preset amplitude, To determine the abnormality of the pipeline, it is necessary to optimize and trim the pipeline according to the monitoring data; when the first amplitude and the third amplitude are both greater than or equal to the preset amplitude, to determine the abnormality of the pipeline, it is necessary to optimize and repair the pipeline according to the monitoring data. Trimming: When the first amplitude, the second amplitude, and the third amplitude are all greater than or equal to the preset amplitude, it is determined that the pipeline is abnormal, and the pipeline needs to be optimized and trimmed according to the monitoring data. This detection method is simple, and can accurately detect the pipeline, accurately determine whether the pipeline is abnormal or qualified, and avoid affecting the operation of the air conditioner due to abnormal pipelines.

In the case where the first amplitude, the second amplitude and the third amplitude are all smaller than the preset amplitude, there is no abnormality in the pipeline at this time, and there is no need to optimize or adjust the pipeline.

In this embodiment, by obtaining the first amplitude in the first direction of the pipeline, the second amplitude in the second direction, and the third amplitude in the third direction, the amplitudes in different directions of the pipeline can be grasped, and the current state of the pipeline can be fully understood; further , comparing the first amplitude, the second amplitude, and the third amplitude with preset amplitudes respectively, and if one or more of the amplitudes is greater than or equal to the preset amplitude, it is determined that the pipeline is abnormal, and the pipeline is optimized and adjusted; This air-conditioning pipeline detection method is simple, and can fully understand the current state of the pipeline, more accurately determine whether there is an abnormality in the pipeline, and avoid affecting the operation of the air conditioner due to the abnormality of the pipeline.

In this embodiment, by obtaining the amplitudes in different directions of the pipeline and comparing them with the preset amplitudes, it is more accurate to judge whether the pipeline is abnormal by detecting the amplitude of a single direction of the pipeline in the prior art, thereby avoiding the influence of abnormal pipelines on the air conditioner. running.

On the basis of the above embodiments, further, obtaining the first amplitude in the first direction, the second amplitude in the second direction, and the third amplitude in the third direction of the pipeline specifically includes: Acquire the first vibration displacement in the first direction, the second vibration displacement in the second direction and the third vibration displacement in the third direction for two preset durations, wherein the second preset duration is less than the first preset duration; calculate the first vibration displacement The average value of the second vibration displacement and the average value of the third vibration displacement, wherein the average value of the first vibration displacement is the first amplitude, the average value of the second vibration displacement is the second amplitude, and the average value of the third vibration displacement The average value is the third amplitude.

Specifically, a first preset duration is set, and within the first preset duration, a plurality of first vibration displacements in the first direction of the pipeline, a plurality of second vibration displacements in the second direction of the pipeline, and a plurality of vibration displacements in the third direction are acquired. A plurality of third vibration displacements, and the time for obtaining the first vibration displacement, the second vibration displacement and the third vibration displacement twice adjacently is the same as the second preset duration, wherein the first preset duration includes multiple second preset durations duration.

Further, according to multiple first vibration displacements, multiple second vibration displacements and multiple third vibration displacements, the average value of the first vibration displacements of the calculation pipeline is the first amplitude and the average value of the second vibration displacements is is the second amplitude and the average value of the third vibration displacement is the third amplitude.

In the case that one of the average value of the first vibration displacement, the average value of the second vibration displacement and the average value of the third vibration displacement is greater than or equal to the preset amplitude, it is determined that the pipeline is abnormal, and it can be optimized according to the detected data, Adjust to avoid affecting the operation of the air conditioner due to abnormal pipelines; when the average value of the first vibration displacement, the average value of the second vibration displacement and the average value of the third vibration displacement are all less than the preset amplitude, it is determined that the pipeline is normal of.

On the basis of the above embodiments, further, the air-conditioning pipeline detection method further includes: obtaining the initial operating frequency and the current operating frequency of the compressor; The relationship between, obtain the first amplitude, the second amplitude and the third amplitude.

Specifically, when the air conditioner is running, the operating frequency obtained when the compressor is just started is the initial operating frequency, and the operating frequency during the operation of the air conditioner is the current operating frequency; according to the current operating frequency and the initial operating frequency of the compressor , to calculate the difference between the current operating frequency of the compressor and the initial operating frequency.

Further, compare the difference between the two with the preset threshold, and obtain the first amplitude, second amplitude, and third amplitude of the pipeline according to the comparison result between the difference and the preset threshold, and then understand the amplitude of the current pipeline Variety.

On the basis of the above embodiments, according to the relationship between the difference between the current operating frequency and the initial operating frequency and the preset threshold, obtaining the first amplitude, the second amplitude, and the third amplitude includes: at the current When the difference between the operating frequency and the initial operating frequency is less than or equal to the preset threshold, acquire the first amplitude, the second amplitude, and the second amplitude; when the difference between the current operating frequency and the initial operating frequency is greater than or equal to the preset In the case of the threshold value, the current running frequency of the compressor is reacquired after a third preset time interval.

During the operation of the compressor, the operating frequency of the compressor will change, and the change of the compressor frequency will affect the monitoring data of the first amplitude, the second amplitude and the third amplitude; The relationship between the difference between the initial operating frequency and the current operating frequency and the preset threshold is used to obtain the first amplitude, the second amplitude and the third amplitude of the pipeline.

In one embodiment, when the difference between the current operating frequency and the initial operating frequency is less than or equal to the preset threshold, the operation of the compressor is relatively stable at this time, and the influence of the change of the operating frequency of the compressor on the amplitude of the pipeline is smaller, the first amplitude, the second amplitude and the third amplitude can be obtained directly.

In another embodiment, when the difference between the current operating frequency and the initial operating frequency is greater than the preset threshold, the operating frequency of the compressor changes greatly at this time, and the amplitude error of the detection pipeline is relatively large, and the monitoring of the first amplitude, second amplitude, and third amplitude; further, after stopping for a third preset period of time, reacquire the current operating frequency of the compressor, and the difference between the current operating frequency and the initial operating frequency of the compressor is less than or equal to the preset When the threshold is set, obtain the first amplitude, the second amplitude, and the third amplitude of the pipeline; if the difference between the current operating frequency of the compressor and the initial operating frequency is still greater than the preset threshold, continue to stop, After waiting for the third preset period of time, reacquire the current operating frequency of the compressor, and continue to obtain the first amplitude, second For the amplitude and the third amplitude, in this embodiment, by repeatedly obtaining the current operating frequency of the compressor at intervals of the third preset time length, it is possible to avoid affecting the accuracy of the pipeline amplitude data due to unstable operation of the compressor.

In this embodiment, according to the comparison result between the difference between the current operating frequency and the initial operating frequency of the compressor and the preset threshold, the first amplitude, the second amplitude, and the third amplitude of the pipeline are obtained. This detection method is simple, And it can avoid the inaccurate data of the detection pipeline caused by the unstable operation of the compressor, and then more accurately determine whether there is an abnormality in the pipeline, and optimize and repair the abnormality in time to avoid affecting the operation of the air conditioner due to the abnormal pipeline.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present application.

The above embodiments are only used to illustrate the present application, but not to limit the present application. Although the present application has been described in detail with reference to the embodiments, those skilled in the art should understand that various combinations, modifications or equivalent replacements of the technical solutions of the present application do not depart from the spirit and scope of the technical solutions of the present application, and all should cover within the scope of the claims of this application.

Claims

A pipeline detection device, comprising a first monitoring probe, a second monitoring probe and a third monitoring probe, the first monitoring probe is used to monitor the vibration displacement in the first direction of the pipeline, and the second monitoring probe is used to monitor The vibration displacement of the pipeline in the second direction, the third monitoring probe is used to monitor the vibration displacement of the pipeline in the third direction; wherein the first direction is the axial direction of the pipeline, and the second The direction is perpendicular to the first direction, and the third direction is perpendicular to the first direction and the second direction.
The pipeline testing device according to claim 1, further comprising a connecting piece, the connecting piece includes a first connecting piece, a second connecting piece and a third connecting piece, the first monitoring probe is fixedly connected to the first The free end of the connector, the second monitoring probe is fixedly connected to the free end of the second connector, the third monitoring probe is fixedly connected to the free end of the third connector, wherein the first connection At least two of the first connecting piece, the second connecting piece and the third connecting piece can be bent.
The pipeline inspection device according to claim 2, further comprising a casing and a controller, the controller is arranged in the casing, the first connecting piece, the second connecting piece and the third connecting piece The components are respectively connected to the housing, and the first monitoring probe, the second monitoring probe and the third monitoring probe are respectively electrically connected to the controller.
The pipeline detection device according to claim 1, further comprising a display, the display is used for displaying data information monitored by the first monitoring probe, the second monitoring probe and the third monitoring probe.
The pipeline detection device according to claim 3, further comprising a communication device, the communication device is electrically connected to the controller, and the communication device is used for communication connection with the compressor.
The pipeline detection device according to claim 1, further comprising an adjustment button, the first monitoring probe, the second monitoring probe and the third monitoring probe are camera probes, and the adjustment button is used to adjust the The focal length of the camera probe.
A method for detecting an air-conditioning pipeline, comprising:

Obtain the first amplitude of the first direction of the pipeline, the second amplitude of the second direction and the third amplitude of the third direction; wherein the first direction is the axial direction of the pipeline, and the second direction is perpendicular to the the first direction, the third direction is perpendicular to the second direction and the third direction;

If at least one of the first amplitude, the second amplitude, and the third amplitude is greater than or equal to a preset amplitude, it is determined that the pipeline is abnormal.
The air-conditioning pipeline detection method according to claim 7, wherein acquiring the first amplitude in the first direction of the pipeline, the second amplitude in the second direction, and the third amplitude in the third direction specifically includes:

Within the first preset duration, the first vibration displacement in the first direction, the second vibration displacement in the second direction, and the third vibration displacement in the third direction are acquired at intervals of a second preset duration, wherein the The second preset duration is less than the first preset duration;

calculating the average value of the first vibration displacement, the average value of the second vibration displacement and the average value of the third vibration displacement, wherein the average value of the first vibration displacement is the first amplitude, the The average value of the second vibration displacement is the second amplitude, and the average value of the third vibration displacement is the third amplitude.
The air-conditioning pipeline detection method according to claim 7, further comprising:

Obtain the initial operating frequency and current operating frequency of the compressor;

The first amplitude, the second amplitude, and the third amplitude are acquired according to a relationship between a difference between the current operating frequency and the initial operating frequency and a preset threshold.
The air-conditioning pipeline detection method according to claim 9, wherein the first amplitude, the The second amplitude and the third amplitude include:

Acquire the first amplitude, the second amplitude, and the second amplitude when the difference between the current operating frequency and the initial operating frequency is less than or equal to the preset threshold;

If the difference between the current operating frequency and the initial operating frequency is greater than or equal to the preset threshold, the current operating frequency of the compressor is reacquired after a third preset time interval.