Ultrasonic unblocking device and air conditioner

Abstract

The utility model provides an ultrasonic unblocking device and an air conditioner, the ultrasonic unblocking device comprises at least one ultrasonic wave emitter, the end face of the first end of the ultrasonic wave emitter is constructed to be a first emitting surface, and the first emitting surface is constructed to be a spherical surface sunken towards the second end opposite to the first end; the ultrasonic emitter is arranged in an object pipeline of the air conditioner, and the first emitting surface faces a target unblocking position of the object pipeline; the center of sphere corresponding to the spherical surface is located at the target unblocking position, or the center of sphere is closer to the target unblocking position than the ultrasonic emitter. Based on the technical scheme of the utility model, the ultrasonic transmitter is arranged in the pipeline of the air conditioner, so that the transmitting surface of the ultrasonic transmitter faces the target blockage cleaning position of the pipeline, and the target blockage cleaning position and even the area where the ultrasonic wave reaches the target blockage cleaning position can be oscillated and impacted by utilizing ultrasonic waves; and the problem of pipeline blockage easily caused by scaling and the like in corresponding areas is avoided, and the self-cleaning function of the air conditioner is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioner pipeline blockage cleaning, and particularly to an ultrasonic blockage cleaning device and an air conditioner. Background Art

[0002] With the improvement of air conditioner energy efficiency and consumers' demand for self-cleaning functions such as air conditioner mold and dust, a large number of related air conditioner self-cleaning technologies have been proposed in the industry in recent years, including self-cleaning of components such as air conditioner evaporators, filters, air ducts, and fans, which can meet the cleaning requirements of each main component of the air conditioner.

[0003] However, no matter which component of the air conditioner is cleaned, the dust or other dirt cleaned is discharged by being carried by condensed water or discharged from the air duct by being carried by air flow. Among them, for the dust and other impurities discharged by being carried by condensed water, they will eventually pass through or enter pipeline structures such as the water receiving tray and drain pipe of the indoor unit, increasing the risk of scaling and blockage of these pipeline structures, especially at the bending positions of the pipeline structures. At present, the self-cleaning function of air conditioners cannot achieve the blockage cleaning of pipeline structures such as drain pipes. Summary of the Utility Model

[0004] In order to solve the problem that the self-cleaning function of existing air conditioners cannot achieve the blockage cleaning of pipeline structures such as drain pipes, the utility model provides an ultrasonic blockage cleaning device and an air conditioner.

[0005] In a first aspect, an ultrasonic blockage cleaning device provided by the utility model includes:

[0006] At least one ultrasonic emitter, the end face of the first end of which is configured as a first emission surface, the first emission surface is configured as a spherical surface that is concave towards the second end opposite to the first end, the ultrasonic emitter is arranged in the target pipeline of the air conditioner, and the first emission surface faces the target blockage cleaning position of the target pipeline;

[0007] Wherein, the center of the sphere corresponding to the spherical surface is located at the target blockage cleaning position, or the center of the sphere is closer to the target blockage cleaning position than the ultrasonic emitter.

[0008] In an embodiment, the radius of the sphere corresponding to the spherical surface of the first emission surface is 50 mm to 68 mm.

[0009] In an embodiment, the target blockage cleaning position is the bending position of the target pipeline, and the center of the sphere is located between the ultrasonic emitter and the bending position and closer to the bending position.

[0010] In one embodiment, the ultrasonic emitter is configured as a rotary body structure. The outer side surface of the rotary body structure is configured as a second emission surface, and the second emission surface is configured as a rotary curved surface that is concave in the direction of the axis of the rotary body structure. The first emission surface is configured on the end face of the rotary body structure;

[0011] Wherein, the axis of the rotary body structure coincides with the axis of the target pipeline, and the second emission surface faces the pipe wall of the target pipeline.

[0012] In one embodiment, the generatrix of the rotary curved surface is an arc line, the circle where the arc line is located is a target circle, and the mirror image body of the ultrasonic emitter formed with respect to the pipe wall of the target pipeline is located between the center of the target circle and the ultrasonic emitter.

[0013] In one embodiment, the radius of the target circle is 15 mm to 25 mm.

[0014] In one embodiment, the ultrasonic emitter is configured as a cone, and the first end with a larger outer diameter of the ultrasonic emitter is the first end configured with the first emission surface.

[0015] In one embodiment, it includes at least one emission unit. The emission unit includes two mirror-image ultrasonic emitters, and the first emission surfaces of the two ultrasonic emitters face away from each other.

[0016] In one embodiment, it further includes a tubular housing, and the ultrasonic emitter is arranged inside the tubular housing; both ends of the tubular housing can be respectively connected to corresponding pipelines to jointly form the target pipeline, or the tubular housing can be arranged inside the target pipeline.

[0017] In one embodiment, it further includes a mounting bracket for being assembled into the target pipeline. The mounting bracket and the target pipeline are in an interference fit, and the second end of the ultrasonic emitter is connected to the mounting bracket.

[0018] In one embodiment, the edge of the mounting bracket is configured with a plurality of interference fit portions that are discontinuously distributed along the circumference of the target pipeline, and an avoidance portion is configured between adjacent two of the interference fit portions;

[0019] Wherein, when the mounting bracket and the target pipeline are in an interference fit, the avoidance portion does not contact the pipe wall of the target pipeline to form an avoidance notch, and a hollow portion is configured on the main body of the mounting bracket.

[0020] In one embodiment, an electrode is provided at the second end of the ultrasonic emitter. A conductive member and an insulating member are sequentially sleeved outside the electrode. A terminal is constructed on one side of the conductive member and extends out of the insulating member. The two ends of the insulating member respectively abut against the ultrasonic emitter and the mounting bracket.

[0021] In one embodiment, the electrode is constructed as a cylindrical structure. A threaded fastener can be fitted inside the cylindrical structure. The threaded fastener sequentially passes through the ultrasonic emitter, the electrode, and the mounting bracket to fix the ultrasonic emitter to the mounting bracket.

[0022] In a second aspect, an air conditioner proposed by the present utility model includes the above ultrasonic clogging removal device, and thus has all the technical effects thereof.

[0023] The above technical features can be combined in various suitable ways or replaced by equivalent technical features as long as the purpose of the present utility model can be achieved.

[0024] Compared with the prior art, the ultrasonic clogging removal device and the air conditioner provided by the present utility model at least have the following beneficial effects:

[0025] The ultrasonic clogging removal device of the present utility model is installed inside the pipeline of the air conditioner, so that the emitting surface of the ultrasonic emitter faces the target clogging removal position of the pipeline. Thus, the ultrasonic wave can be used to oscillate and impact the target clogging removal position and even the area through which the ultrasonic wave reaches the target clogging removal position, avoiding problems such as scaling in the corresponding area that are likely to cause pipeline blockage, and further improving the self-cleaning function of the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Hereinafter, the present utility model will be described in more detail based on embodiments and with reference to the drawings. Among them:

[0027] Figure 1 shows a schematic diagram of the overall structure of the ultrasonic clogging removal device of the present utility model;

[0028] Figure 2 shows an assembly diagram of the ultrasonic emitter and the mounting bracket of the ultrasonic clogging removal device of the present utility model;

[0029] Figure 3 shows Figure 2 a cross-sectional view of the structure shown;

[0030] Figure 4 shows Figure 2 a front view of the structure shown;

[0031] Figure 5 shows Figure 4 a schematic diagram of the A-A cross-section in;

[0032] Figure 6 Shows a schematic diagram of the position of the mirror image of the ultrasonic emitter of the ultrasonic blockage clearing device of the present utility model with respect to the pipe wall of the target pipe;

[0033] Figure 7 Shows a schematic diagram of the self-cleaning area formed by the ultrasonic blockage clearing device of the present utility model in the target pipe;

[0034] Figure 8 Shows a schematic diagram of the ultrasonic blockage clearing device of the present utility model applied in the drain pipe for the wall-through installation of an air conditioner;

[0035] Figure 9 Shows a schematic diagram of the water receiving tray of an air conditioner to which the ultrasonic blockage clearing device of the present utility model is applied;

[0036] Figure 10 Shows Figure 9 The schematic diagram of the B-B cross-section in

[0037] In the drawings, the same components are denoted by the same reference numerals. The drawings are not drawn to actual scale.

[0038] Reference numerals:

[0039] 1 - mounting bracket, 11 - overfitting portion, 12 - avoidance portion, 13 - hollowed-out portion, 2 - ultrasonic emitter, 21 - first emission surface, 211 - center of the sphere, 22 - second emission surface, 23 - electrode, 24 - conductive member, 241 - terminal post, 25 - insulating member, 3 - target pipe, 31 - tubular outer shell, 4 - target circle, 41 - center of the circle, 5 - mirror image body, 6 - self-cleaning area, 7 - threaded fastener, 8 - wall, 81 - wall hole, 9 - water receiving tray, 91 - drain nozzle, 10 - wire threading sleeve. Detailed implementation manners

[0040] The following will further illustrate the present utility model in conjunction with the drawings.

[0041] Embodiment 1

[0042] The embodiment of the present utility model provides an ultrasonic blockage clearing device, including at least one ultrasonic emitter 2. The end face of the first end of the ultrasonic emitter 2 is configured as a first emission surface 21, and the first emission surface 21 is configured as a spherical surface that is concave towards the second end opposite to the first end. The ultrasonic emitter 2 is disposed in the target pipe 3 of the air conditioner, and the first emission surface 21 faces the target blockage clearing position of the target pipe 3.

[0043] Wherein, the center of the sphere 211 corresponding to the spherical surface is located at the target blockage clearing position, or the center of the sphere 211 is closer to the target blockage clearing position than the ultrasonic emitter 2.

[0044] Specifically, the ultrasonic blockage clearing device proposed by the present utility model is mainly used to clear blockages in the corresponding pipelines of air conditioners, or more precisely, to perform daily cleaning on the pipelines to prevent blockages. Structurally, the ultrasonic blockage clearing device mainly includes an ultrasonic emitter 2, which is electrically connected to an external excitation controller and can generate ultrasonic waves under the control of the excitation controller, thereby using the ultrasonic waves to perform oscillating impacts on corresponding positions of the pipeline. Among them, one end face of the ultrasonic emitter 2 is configured as a concave spherical surface and serves as the first emission surface 21, which can focus and emit ultrasonic waves. In this embodiment, the surface of the ultrasonic emitter is made of aluminum alloy, and surface treatment methods such as anodic oxidation, organic or inorganic coating layers are adopted for effective corrosion protection to avoid being corroded by the potentially existing corrosive acidic substances in the environment of the target pipeline.

[0045] During actual application, the ultrasonic blockage clearing device is installed in the target pipeline 3 of the air conditioner, with the first emission surface 21 of the ultrasonic emitter 2 facing the target blockage clearing position inside the target pipeline 3, that is, the ultrasonic blockage clearing device is on one side of the target blockage clearing position. More specifically, the ultrasonic blockage clearing device is usually axially located on one side of the target blockage clearing position in the target pipeline 3. At this time, the first emission surface 21 faces the target blockage clearing position axially in the target pipeline 3. The first emission surface 21 can emit ultrasonic waves towards the target blockage clearing position, and the ultrasonic waves propagate inside the target pipeline 3 and focus on the center of the sphere 211 of the sphere where the first emission surface 21 is located. Therefore, in order to ensure the cleaning effect of the target blockage clearing position of the target pipeline 3, the center of the sphere 211 of the sphere where the first emission surface 21 is located needs to be at least close to the target blockage clearing position; or when conditions permit, the center of the sphere 211 of the sphere where the first emission surface 21 is located can be directly at the target blockage clearing position, coinciding with the target blockage clearing position.

[0046] In addition, during the transmission of ultrasonic waves, their oscillation and impact not only act on the target blockage clearing position, but also can perform the same oscillation and impact on the local area of the target pipeline 3 that they pass through. Furthermore, its cleaning and blockage clearing functions are actually not limited to a single point, but act on a local pipe section of the target pipeline 3, thus having a larger effective cleaning area and higher cleaning efficiency.

[0047] Therefore, by installing the ultrasonic blockage clearing device of the present utility model inside the pipeline of the air conditioner, the emission surface of the ultrasonic emitter 2 faces the target blockage clearing position of the pipeline, so that ultrasonic waves can be used to perform oscillation and impact on the target blockage clearing position and even the area passed by the ultrasonic waves to reach the target blockage clearing position, avoiding problems such as scaling in the corresponding area that are likely to cause pipeline blockages, and further improving the self-cleaning function of the air conditioner.

[0048] Furthermore, if there are multiple target blockage clearing positions that are relatively close within the object pipeline 3, then according to the weights of each position, by finely adjusting the installation position of the ultrasonic emitter 2 and the orientation of its first emission surface 21, one ultrasonic emitter 2 can cover the cleaning requirements of multiple target blockage clearing positions. Of course, if the multiple target blockage clearing positions are relatively scattered and located in different orientations, more ultrasonic emitters 2 can be provided on the mounting bracket 1.

[0049] Further, the ultrasonic blockage clearing device further includes a tubular housing 31, the ultrasonic emitter 2 is disposed inside the tubular housing 31, and both ends of the tubular housing 31 can be respectively connected to corresponding pipelines to jointly form the object pipeline 3.

[0050] Specifically, as shown in the attached drawings Figure 1 As shown, the tubular housing 31 is used to mount the ultrasonic emitter 2. In this embodiment, the tubular housing 31 also serves as a part of the object pipeline 3, mainly to facilitate the installation of the ultrasonic emitter 2. During actual use, the tubular housing 31 and the ultrasonic emitter 2 can be pre-assembled into one body, and then both ends of the tubular housing 31 are respectively connected to the corresponding pipelines to jointly form the object pipeline 3. The object pipeline 3 is then inserted into the wall hole 81 of the wall 8, as shown in the attached drawings Figure 8 As shown. In this embodiment, the tubular housing 31 is made of stainless steel, a stainless steel pipe with a diameter of 6 mm and a thickness of 0.4 mm is used. After the ultrasonic emitter 2 is installed, both ends are roll-formed into a wavy docking structure as shown in Figure 1 As shown, and then the corresponding bellows are docked through the wavy docking structure.

[0051] Preferably, the radius of the sphere corresponding to the spherical surface of the first emission surface 21 is 50 mm to 68 mm.

[0052] Specifically, the difference in the radius of the sphere corresponding to the spherical surface of the first emission surface 21 mainly affects the position of the center of the sphere 211, that is, the position where the ultrasonic waves are focused. According to the aforementioned requirement that the position of the center of the sphere 211 needs to be at least as close as possible to the target blockage clearing position, therefore, according to the different target blockage clearing positions of the object pipeline 3, by selecting the specific radius value of the sphere corresponding to the first emission surface 21, the requirement that the position of the center of the sphere 211 is at least as close as possible to the target blockage clearing position can be achieved.

[0053] In this embodiment, one application scenario of the ultrasonic blockage clearing device is applied to the drain pipe (that is, the object pipeline 3) through which the air conditioner passes through the wall 8, as shown in the attached drawings Figure 8As shown. For the drain pipe passing through the wall 8, the drain pipe usually bends at the opening of the wall hole 81, and scale is most likely to form at this bending position. Therefore, for this application scenario, the bending position is usually used as the main target for blockage removal. For the ultrasonic blockage removal device usually arranged at the center position of the wall hole 81, the distance between it and the bending position of the drain pipe is related to the thickness of the wall 8. When the radius of the sphere corresponding to the spherical surface of the first emission surface 21 of the ultrasonic blockage removal device ranges from 50 to 68 mm, it can adapt to walls 8 of most thicknesses, that is, the position of the center of the sphere 211 is as close as possible to the bending position of the drain pipe but does not coincide with the bending position. That is, when the target blockage removal position is the bending position of the target pipe 3, the center of the sphere 211 is located between the ultrasonic emitter 2 and the bending position and is closer to the bending position. The reason why the position of the center of the sphere 211 does not coincide with the bending position is that the drain pipe bends and twists at the bending position, which will affect its own structural strength. If the center of the sphere 211 of the first emission surface 21 coincides with the bending position, the bending position will be impacted by the relatively high energy generated by the focused ultrasonic waves, which is likely to cause fatigue damage to part of the bending position of the drain pipe. In order to further make the position of the center of the sphere 211 as close as possible to the bending position of the drain pipe but not coincide with the bending position, in the application scenario of this embodiment, referring to the thickness of the main wall 8, the optimal value of the radius of the sphere corresponding to the spherical surface of the first emission surface 21 is 68 mm. At this time, the position of the center of the sphere 211 is very close to the opening of the wall hole 81, as shown in the attached drawing Figure 8 shown.

[0054] For the case where there are bending parts on both the inner and outer sides of the wall 8 for the drain pipe passing through the wall hole 81, two ultrasonic emitters 2 can be set, that is, a transmitting unit is set. The transmitting unit includes two ultrasonic emitters 2 arranged in mirror image, and the first emission surfaces 21 of the two ultrasonic emitters 2 face away from each other. In this way, the first emission surfaces 21 of the two ultrasonic emitters 2 face the bending positions on the corresponding sides of the drain pipe respectively, as shown in the attached drawing Figure 8 shown. Combining with the optimal value of the radius of the sphere corresponding to the spherical surface of the first emission surface 21 being 68 mm, the distance between the centers of the spheres 211 of the first emission surfaces 21 of the two ultrasonic emitters 2 is about 150 mm (including the length dimension of the ultrasonic blockage removal device itself), which is suitable for the thickness of the wall 8 (such as a general non-load-bearing wall) usually selected when the drain pipe is installed.

[0055] Embodiment 2

[0056] The structure of the ultrasonic blockage removal device in this embodiment can refer to Embodiment 1, mainly showing the application of the ultrasonic blockage removal device in another application scenario.

[0057] In this embodiment, the application scenario is as shown in the attached drawing Figure 9 and Figure 10As shown in the figure, the ultrasonic blockage clearing device is applied to the water receiving tray of an air conditioner, specifically inside the discharge nozzle of the water receiving tray. A drain pipe is connected to the bottom of the drain nozzle (the two together form the target pipe). In this application scenario, the tubular housing of the ultrasonic blockage clearing device is directly embedded inside the target pipe.

[0058] When connecting the drain pipe to the bottom of the drain nozzle, the drain pipe will be bent during the installation process. After actual measurement, the distance L between the bending position and the lower edge of the drain nozzle is 49 mm - 56 mm. When installing the ultrasonic blockage clearing device, it is necessary to make the center of the sphere corresponding to the first emission surface close to the bending position of the drain pipe. Usually, adjust the installation position of the ultrasonic blockage clearing device so that the distance between the position of the center of the sphere corresponding to the first emission surface of the ultrasonic emitter and the lower edge of the drain nozzle is close to L, for example, the distance is 42 - 45 mm, which can ensure the optimal blockage clearing effect at the bending position. At the same time, based on the attached drawing Figure 10 The ultrasonic blockage clearing device shown has two ultrasonic emitters. The ultrasonic waves radiated by the upper ultrasonic emitter can ensure the impact and blockage clearing of the upper part of the discharge nozzle and other positions above the water receiving tray. And because the propagation ability of ultrasonic waves in the air is poor, there is no need to worry that the ultrasonic waves will damage other components of the indoor unit of the air conditioner when the water receiving tray is short of water.

[0059] Embodiment 3

[0060] An embodiment of the present utility model provides an ultrasonic blockage clearing device, including at least one ultrasonic emitter 2. The end face of the first end of the ultrasonic emitter 2 is configured as a first emission surface 21. The first emission surface 21 is configured as a spherical surface that is concave towards the second end opposite to the first end. The ultrasonic emitter 2 is arranged inside the target pipe 3 of the air conditioner, and the first emission surface 21 faces the target blockage clearing position of the target pipe 3.

[0061] Wherein, the center of the sphere 211 corresponding to the spherical surface is located at the target blockage clearing position, or the center of the sphere 211 is closer to the target blockage clearing position than the ultrasonic emitter 2.

[0062] Specifically, the ultrasonic blockage clearing device proposed by the present utility model is mainly used to clear the blockage of the corresponding pipes of the air conditioner, or more accurately, to perform daily cleaning of the pipes to prevent blockage. Structurally, the ultrasonic blockage clearing device mainly includes an ultrasonic emitter 2. The ultrasonic emitter 2 is electrically connected to an external excitation controller and can generate ultrasonic waves under the control of the excitation controller, thereby using the ultrasonic waves to perform oscillating impact on the corresponding positions of the pipes. Among them, one end face of the ultrasonic emitter 2 is configured as an inwardly concave spherical surface and serves as the first emission surface 21, which can focus and emit ultrasonic waves. In this embodiment, the surface of the ultrasonic emitter is made of aluminum alloy, and surface treatment such as anodic oxidation, organic or inorganic coating is adopted for effective corrosion protection to avoid being corroded by the corrosive acidic substances that may exist in the environment of the target pipe.

[0063] In actual application, the ultrasonic blockage clearing device is installed in the target pipeline 3 of the air conditioner, and the first emission surface 21 of the ultrasonic emitter 2 is kept facing the target blockage clearing position inside the target pipeline 3, that is, the ultrasonic blockage clearing device is on one side of the target blockage clearing position. More specifically, the ultrasonic blockage clearing device is usually axially located on one side of the target blockage clearing position in the target pipeline 3. At this time, the first emission surface 21 faces the target blockage clearing position axially in the target pipeline 3. The first emission surface 21 can emit ultrasonic waves towards the target blockage clearing position, and the ultrasonic waves propagate inside the target pipeline 3 and are focused on the center 211 of the sphere where the first emission surface 21 is located. Therefore, in order to ensure the cleaning effect of the target blockage clearing position of the target pipeline 3, the center 211 of the sphere where the first emission surface 21 is located needs to be at least close to the target blockage clearing position; or when conditions permit, the center 211 of the sphere where the first emission surface 21 is located can be directly at the target blockage clearing position and coincide with the target blockage clearing position.

[0064] In addition, during the transmission of ultrasonic waves, their oscillation and impact not only act on the target blockage clearing position, but also can perform the same oscillation and impact on the local area of the target pipeline 3 through which they pass. Therefore, its cleaning and blockage clearing functions are actually not limited to a single point, but act on a local pipe section of the target pipeline 3, and thus have a larger effective cleaning area and higher cleaning efficiency.

[0065] Therefore, the ultrasonic blockage clearing device of the present utility model, by being installed inside the pipeline of the air conditioner, makes the emission surface of the ultrasonic emitter 2 face the target blockage clearing position of the pipeline, so that ultrasonic waves can be used to oscillate and impact the target blockage clearing position and even the area through which the ultrasonic waves reach the target blockage clearing position, avoiding problems such as fouling that are likely to cause pipeline blockage in the corresponding area, and further improving the self-cleaning function of the air conditioner.

[0066] Furthermore, if there are multiple relatively close target blockage clearing positions in the target pipeline 3, then according to the weights of each position, by finely adjusting the installation position of the ultrasonic emitter 2 and the orientation of its first emission surface 21, one ultrasonic emitter 2 can cover the cleaning requirements of multiple target blockage clearing positions. Of course, if the multiple target blockage clearing positions are relatively scattered and located in different orientations, more ultrasonic emitters 2 can be provided on the mounting bracket 1.

[0067] Furthermore, the ultrasonic blockage clearing device further includes a tubular housing 31, the ultrasonic emitter 2 is arranged inside the tubular housing 31, and both ends of the tubular housing 31 can be respectively connected to the corresponding pipelines to jointly form the target pipeline 3.

[0068] Specifically, as shown in the attached drawing Figure 1As shown, the tubular housing 31 is used to mount the ultrasonic emitter 2. In this embodiment, the tubular housing 31 also serves as part of the target pipeline 3, mainly to facilitate the installation of the ultrasonic emitter 2. In actual use, the tubular housing 31 and the ultrasonic emitter 2 can be pre-assembled into one body, and then the two ends of the tubular housing 31 are respectively connected to the corresponding pipelines to jointly form the target pipeline 3. Then, the target pipeline 3 is inserted into the wall hole 81 of the wall 8, as shown in the attached drawing Figure 8 shown. In this embodiment, the tubular housing 31 is made of stainless steel, a stainless steel pipe with a diameter of 6 mm and a thickness of 0.4 mm. After installing the ultrasonic emitter 2, the two ends are roll-formed into a wavy butt joint structure as shown in Figure 1 shown, and then the corresponding bellows are butted through the wavy butt joint structure.

[0069] Furthermore, the ultrasonic emitter 2 is configured as a rotating body structure. The outer side surface of the rotating body structure is configured as the second emission surface 22. The second emission surface 22 is configured as a rotating curved surface that is recessed in the direction of the axis of the rotating body structure. The first emission surface 21 is configured on the end surface of the rotating body structure; wherein, the axis of the rotating body structure coincides with the axis of the target pipeline 3, and the second emission surface 22 faces the pipe wall of the target pipeline 3.

[0070] Specifically, as shown in the attached drawing Figure 2 and Figure 3 shown, the ultrasonic emitter 2 is an overall rotating body structure, and its outer side surface forms the second emission surface 22. The second emission surface 22 is a rotating curved surface of a groove. In the installed state, regardless of the application scenarios mentioned in Embodiment 1 or Embodiment 2, the second emission surface 22 always faces the pipe wall of the target pipeline 3, that is, the second emission surface 22 can emit ultrasonic waves towards the pipe wall of the target pipeline 3. The purpose is to use ultrasonic waves to clean the ultrasonic blockage cleaning device itself and achieve self-cleaning of the ultrasonic blockage cleaning device. The principle is that after the second emission surface 22 emits ultrasonic waves towards the pipe wall of the target pipeline 3, the ultrasonic waves will be reflected by the pipe wall of the target pipeline 3 and change direction to transmit towards the location of the ultrasonic blockage cleaning device, thereby achieving self-cleaning.

[0071] Furthermore, the generatrix of the rotating curved surface is an arc line. The circle where the arc line is located is the target circle 4. The mirror image body 5 of the ultrasonic emitter 2 formed with respect to the pipe wall of the target pipeline 3 is located between the center 41 of the target circle 4 and the ultrasonic emitter 2.

[0072] Specifically, as shown in the attached drawing Figure 6As shown, the generatrix of the revolution surface is a part of the circumference of the object circle 4, and the ultrasonic wave of the second emitting surface 22 is focused on the center 41 of the object circle 4. In order to ensure that the ultrasonic wave emitted by the second emitting surface 22 can cover the ultrasonic blockage removal device after being reflected by the pipe wall of the object pipe 3, it is necessary to comprehensively design the relative position of the ultrasonic blockage removal device and the pipe wall of the object pipe 3 and the coverage range of the object circle 4 (i.e., the radius size). Therefore, when it is ensured that the mirror image 5 formed by the ultrasonic emitter 2 with respect to the pipe wall of the object pipe 3 is located between the center 41 of the object circle 4 and the ultrasonic emitter 2, the ultrasonic wave emitted by the second emitting surface 22 can definitely cover the ultrasonic blockage removal device after being reflected by the pipe wall of the object pipe 3; at the same time, the mirror image 5 does not overlap with the center 41, which ensures that the focusing position of the ultrasonic wave emitted by the second emitting surface 22 after being reflected by the pipe wall of the object pipe 3 is staggered with the ultrasonic blockage removal device, so that impact fatigue damage will not be caused to the various components of the ultrasonic blockage removal device.

[0073] Optionally, based on the common diameter of the target pipe 3, the size of the ultrasonic clearing device and its conventional installation position in the target pipe 3 (at the axis of the target pipe 3), the relative position relationship between the ultrasonic clearing device and the pipe wall of the target pipe 3 is obtained, and the radius of the target circle 4 is 15 mm to 25 mm, preferably 17 mm, which can ensure the above self-cleaning function and stagger the ultrasonic focusing position with the ultrasonic clearing device.

[0074] Furthermore, the ultrasonic emitting body 2 is configured to be conical, and the end of the ultrasonic emitting body 2 with a larger outer diameter is a first end configured with a first emitting surface 21 .

[0075] Specifically, as shown in the attached figure Figures 2 to 4 As shown, the ultrasonic emitter 22 is a cone-shaped structure as a whole, and the side of the cone is the aforementioned rotational curved surface. The cone-shaped ultrasonic emitter 2 can reduce the radial dimension of some positions while ensuring the area of ​​the first emitting surface 21; at the same time, the length of the second emitting surface 22 can be increased while the axial length of the ultrasonic emitter 2 is constant.

[0076] In addition, for the ultrasonic emitter 2 with a conical structure, it is preferable to set two ultrasonic emitters 2 in the ultrasonic clogging removal device, that is, the aforementioned one emission unit. The purpose of this is to ensure the self-cleaning effect of the ultrasonic clogging removal device. Because the ultrasonic emitter 2 with a conical structure causes the main propagation direction of the ultrasonic waves on the second emission surface 22 to form a certain angle with the pipe wall of the target pipe 3. From the perspective of incident reflection, that is, when the ultrasonic waves are reflected by the pipe wall of the target pipe 3, there is an acute incident angle, so that the ultrasonic waves will not return along the original path after reflection. This may cause a certain deviation between the coverage area after the ultrasonic wave reflection and the ultrasonic clogging removal device (it doesn't mean that it must not cover the ultrasonic clogging removal device after reflection, but there is a deviation theoretically compared with returning along the original path). Therefore, in order to ensure the self-cleaning effect of the ultrasonic clogging removal device, the ultrasonic waves emitted from the second emission surfaces 22 of the two ultrasonic emitters 2 of one emission unit overlap and complement each other after being reflected by the pipe wall of the target pipe 3, forming a larger composite area to ensure that the ultrasonic clogging removal device can be covered.

[0077] After the ultrasonic waves emitted from the second emission surfaces 22 of the two ultrasonic emitters 2 of one emission unit are reflected at different positions in the circumferential direction of the pipe wall of the target pipe 3, a coverage space is formed in the target pipe 3, that is, in the attached drawing Figure 7 shown self-cleaning area 6, and the ultrasonic clogging removal device is completely within this self-cleaning area 6. In addition, the self-cleaning area 6 shown in the attached drawing Figure 7 is only for showing its covering and being covered relationship with the ultrasonic clogging removal device, and does not represent the size of the self-cleaning area 6. The actual size of the self-cleaning area 6 will be slightly larger than that shown in the attached drawing Figure 7 shown.

[0078] Embodiment 4

[0079] An embodiment of the present utility model provides an ultrasonic clogging removal device, including at least one ultrasonic emitter 2. The end face structure of the first end of the ultrasonic emitter 2 is a first emission surface 21, and the first emission surface 21 is configured as a spherical surface recessed towards the second end opposite to the first end. The ultrasonic emitter 2 is arranged in the target pipe 3 of the air conditioner, and the first emission surface 21 faces the target clogging removal position of the target pipe 3.

[0080] Wherein, the center of the sphere 211 corresponding to the spherical surface is located at the target clogging removal position, or the center of the sphere 211 is closer to the target clogging removal position than the ultrasonic emitter 2.

[0081] Specifically, the ultrasonic blockage clearing device proposed by the present utility model is mainly used to clear blockages in the corresponding pipelines of air conditioners, or more accurately, to perform daily cleaning on the pipelines to prevent blockages. Structurally, the ultrasonic blockage clearing device mainly includes an ultrasonic emitter 2, which is electrically connected to an external excitation controller and can generate ultrasonic waves under the control of the excitation controller, thereby using the ultrasonic waves to oscillate and impact the corresponding positions of the pipeline. Among them, one end face of the ultrasonic emitter 2 is constructed as a concave spherical surface and serves as the first emission surface 21, which can focus and emit ultrasonic waves. In this embodiment, the surface of the ultrasonic emitter is made of aluminum alloy, and surface treatment methods such as anodic oxidation, organic or inorganic coating are adopted for effective corrosion protection to avoid being corroded by the possible corrosive acidic substances in the target pipeline environment.

[0082] During actual application, the ultrasonic blockage clearing device is installed in the target pipeline 3 of the air conditioner, with the first emission surface 21 of the ultrasonic emitter 2 facing the target blockage clearing position inside the target pipeline 3, that is, the ultrasonic blockage clearing device is on one side of the target blockage clearing position. More specifically, the ultrasonic blockage clearing device is usually axially located on one side of the target blockage clearing position in the target pipeline 3. At this time, the first emission surface 21 faces the target blockage clearing position axially in the target pipeline 3. The first emission surface 21 can emit ultrasonic waves towards the target blockage clearing position, and the ultrasonic waves propagate inside the target pipeline 3 and focus on the center of the sphere 211 of the sphere where the first emission surface 21 is located. Therefore, in order to ensure the cleaning effect of the target blockage clearing position of the target pipeline 3, the center of the sphere 211 of the sphere where the first emission surface 21 is located needs to be at least close to the target blockage clearing position; or when conditions permit, the center of the sphere 211 of the sphere where the first emission surface 21 is located can be directly at the target blockage clearing position, coinciding with the target blockage clearing position.

[0083] In addition, during the transmission of ultrasonic waves, their oscillation and impact not only act on the target blockage clearing position, but also can perform the same oscillation and impact on the local area of the target pipeline 3 they pass through. Therefore, its cleaning and blockage clearing functions are actually not limited to a single point, but act on a local pipe section of the target pipeline 3, and thus have a larger effective cleaning area and higher cleaning efficiency.

[0084] Therefore, by installing the ultrasonic blockage clearing device of the present utility model inside the pipeline of the air conditioner, the emission surface of the ultrasonic emitter 2 faces the target blockage clearing position of the pipeline, so that ultrasonic waves can be used to oscillate and impact the target blockage clearing position and even the area passed by the ultrasonic waves to reach the target blockage clearing position, avoiding problems such as scale formation in the corresponding area that are likely to cause pipeline blockages, and further improving the self-cleaning function of the air conditioner.

[0085] Furthermore, if there are multiple target blockage clearing positions that are relatively close within the object pipeline 3, then according to the weights of each position, by finely adjusting the installation position of the ultrasonic emitter 2 and the orientation of its first emission surface 21, one ultrasonic emitter 2 can cover the clearing requirements of multiple target blockage clearing positions. Of course, if the multiple target blockage clearing positions are relatively dispersed and located in different orientations, more ultrasonic emitters 2 can be provided on the mounting bracket 1.

[0086] Furthermore, the ultrasonic blockage clearing device further includes a tubular housing 31. The ultrasonic emitter 2 is disposed inside the tubular housing 31, and both ends of the tubular housing 31 can be respectively connected to corresponding pipelines to jointly form the object pipeline 3.

[0087] Specifically, as shown in the attached drawings Figure 1 As shown, the tubular housing 31 is used to mount the ultrasonic emitter 2. In this embodiment, the tubular housing 31 also serves as a part of the object pipeline 3, mainly to facilitate the installation of the ultrasonic emitter 2. During actual use, the tubular housing 31 and the ultrasonic emitter 2 can be pre-assembled into one body, and then both ends of the tubular housing 31 are respectively connected to the corresponding pipelines to jointly form the object pipeline 3. Then, the object pipeline 3 is inserted into the wall hole 81 of the wall 8, as shown in the attached drawings Figure 8 As shown. In this embodiment, the tubular housing 31 is made of stainless steel, and a stainless steel pipe with a diameter of 6 mm and a thickness of 0.4 mm is used. After installing the ultrasonic emitter 2, both ends are roll-formed into a wavy docking structure as shown in Figure 1 As shown, and then the corresponding corrugated pipes are docked through the wavy docking structure.

[0088] Furthermore, the ultrasonic emitter 2 is configured as a rotary body structure. The outer side surface of the rotary body structure is configured as a second emission surface 22. The second emission surface 22 is configured as a rotary curved surface that is recessed in the direction of the axis of the rotary body structure. The first emission surface 21 is configured on the end surface of the rotary body structure; wherein, the axis of the rotary body structure coincides with the axis of the object pipeline 3, and the second emission surface 22 faces the pipe wall of the object pipeline 3.

[0089] Specifically, as shown in the attached drawings Figure 2 and Figure 3As shown, the ultrasonic emitter 2 is a rotating body structure as a whole, and its outer side surface forms a second emitting surface 22, and the second emitting surface 22 is a rotating curved surface of a groove. In the installed state, whether it is the application scenario mentioned in Example 1 or Example 2, the second emitting surface 22 is always facing the pipe wall of the target pipe 3, that is, the second emitting surface 22 can emit ultrasonic waves toward the pipe wall of the target pipe 3, the purpose of which is to use ultrasonic waves to clean the ultrasonic unclogging device itself, and realize the self-cleaning of the ultrasonic unclogging device. The principle is that after the second emitting surface 22 emits ultrasonic waves toward the pipe wall of the target pipe 3, the ultrasonic waves will be reflected by the pipe wall of the target pipe 3 and change direction to transmit toward the location of the ultrasonic unclogging device, thereby realizing self-cleaning.

[0090] Furthermore, the generatrix of the revolution surface is an arc line, the circle where the arc line is located is the object circle 4, and the mirror image 5 formed by the ultrasonic emitter 2 with respect to the pipe wall of the object pipe 3 is located between the center 41 of the object circle 4 and the ultrasonic emitter 2.

[0091] Specifically, as shown in the attached figure Figure 6 As shown, the generatrix of the revolution surface is a part of the circumference of the object circle 4, and the ultrasonic wave of the second emitting surface 22 is focused on the center 41 of the object circle 4. In order to ensure that the ultrasonic wave emitted by the second emitting surface 22 can cover the ultrasonic blockage removal device after being reflected by the pipe wall of the object pipe 3, it is necessary to comprehensively design the relative position of the ultrasonic blockage removal device and the pipe wall of the object pipe 3 and the coverage range of the object circle 4 (i.e., the radius size). Therefore, when it is ensured that the mirror image 5 formed by the ultrasonic emitter 2 with respect to the pipe wall of the object pipe 3 is located between the center 41 of the object circle 4 and the ultrasonic emitter 2, the ultrasonic wave emitted by the second emitting surface 22 can definitely cover the ultrasonic blockage removal device after being reflected by the pipe wall of the object pipe 3; at the same time, the mirror image 5 does not overlap with the center 41, which ensures that the focusing position of the ultrasonic wave emitted by the second emitting surface 22 after being reflected by the pipe wall of the object pipe 3 is staggered with the ultrasonic blockage removal device, so that impact fatigue damage will not be caused to the various components of the ultrasonic blockage removal device.

[0092] Optionally, based on the common diameter of the target pipe 3, the size of the ultrasonic clearing device and its conventional installation position in the target pipe 3 (at the axis of the target pipe 3), the relative position relationship between the ultrasonic clearing device and the pipe wall of the target pipe 3 is obtained, and the radius of the target circle 4 is 15 mm to 25 mm, preferably 17 mm, which can ensure the above self-cleaning function and stagger the ultrasonic focusing position with the ultrasonic clearing device.

[0093] Furthermore, the ultrasonic emitting body 2 is configured to be conical, and the end of the ultrasonic emitting body 2 with a larger outer diameter is a first end configured with a first emitting surface 21 .

[0094] Specifically, as shown in the attached figure Figures 2 to 4As shown, the ultrasonic emitter 22 is generally in a conical structure, and the conical side surface is the aforementioned rotary surface. The conical ultrasonic emitter 2 can reduce the radial dimension of some positions while ensuring the area of the first emission surface 21; at the same time, it can also increase the length of the second emission surface 22 when the axial length of the ultrasonic emitter 2 is fixed.

[0095] In addition, based on the conical ultrasonic emitter 2, it is preferred to set two ultrasonic emitters 2 in the ultrasonic clogging removal device, that is, the aforementioned one emission unit. The purpose of this is to ensure the self-cleaning effect of the ultrasonic clogging removal device. Because the conical ultrasonic emitter 2 will cause the main propagation direction of the ultrasonic waves on the second emission surface 22 to form a certain angle with the pipe wall of the target pipe 3. From the perspective of incident reflection, that is, when the ultrasonic waves are reflected by the pipe wall of the target pipe 3, there is an acute incident angle, so that the ultrasonic waves will not return along the original path after reflection. This may cause a certain deviation between the coverage area after the ultrasonic wave reflection and the ultrasonic clogging removal device (it does not mean that it will definitely not cover the ultrasonic clogging removal device after reflection, but there will be a deviation in theory compared with returning along the original path). Therefore, in order to ensure the self-cleaning effect of the ultrasonic clogging removal device, the ultrasonic waves emitted from the second emission surfaces 22 of the two ultrasonic emitters 2 of one emission unit overlap and complement each other after being reflected by the pipe wall of the target pipe 3, forming a larger composite area to ensure that the ultrasonic clogging removal device can be covered.

[0096] The ultrasonic waves emitted from the second emission surfaces 22 of the two ultrasonic emitters 2 of one emission unit form a coverage space in the target pipe 3 after being reflected at different positions in the circumferential direction of the pipe wall of the target pipe 3, that is, in the attached drawing Figure 7 shown self-cleaning area 6, and the ultrasonic clogging removal device is completely within this self-cleaning area 6. In addition, the attached drawing Figure 7 shown self-cleaning area 6 only shows its covering and being covered relationship with the ultrasonic clogging removal device, and does not represent the size of the self-cleaning area 6. The actual size of the self-cleaning area 6 will be slightly larger than that shown in the attached drawing Figure 7 shown size.

[0097] Furthermore, as shown in the attached drawing Figure 2 shown, it further includes a mounting bracket 1 for being assembled into the target pipe 3. The mounting bracket 1 and the target pipe 3 are in an interference fit. The second end of the ultrasonic emitter 2 is connected to the mounting bracket 1, and the ultrasonic emitter 2 is installed inside the target pipe 3 through the mounting bracket 1. In this embodiment, the mounting bracket 1 is made of stainless steel, or other steel materials with surface anti-corrosion treatment to achieve an anti-corrosion effect similar to that of stainless steel.

[0098] Further, a plurality of interference fit portions 11 that are discontinuously distributed along the circumferential direction of the object pipe 3 are formed on the edge of the mounting bracket 1, and a relief portion 12 is formed between two adjacent interference fit portions 11; wherein, when the mounting bracket 1 is in interference fit with the object pipe 3, the relief portion 12 does not contact the pipe wall of the object pipe 3 to form a relief notch, and a hollow portion 13 is formed on the main body of the mounting bracket 1.

[0099] Specifically, as shown in the attached drawings Figure 2 As shown, the mounting bracket 1 is an overall hollow structure, including the hollow portion 13 formed on the main body. The hollow portion 13 provides a flow passage for the fluid in the object pipe 3 to avoid causing a large blockage to the fluid. In addition, based on the interference fit structure between the mounting bracket 1 and the object pipe 3, in order to facilitate installation and reduce the installation resistance, the interference fit portions 11 and the relief portions 12 are designed. The relief portions 12 reduce the contact area between the mounting bracket 1 and the object pipe 3, reduce the resistance of the interference fit, and facilitate quick installation. Moreover, the relief portions 12 do not contact the pipe wall of the object pipe 3 to form relief notches, enabling the fluid to also flow through the relief notches, further increasing the flow area. The relief portions 12 can be formed by cutting off a part of the corresponding position of the edge of the mounting bracket 1.

[0100] Further, an electrode 23 is provided at the second end of the ultrasonic emitter 2. A conductive member 24 and an insulating member 25 are sequentially sleeved outside the electrode 23. A terminal 241 extending outside the insulating member 25 is formed on one side of the conductive member 24. The two ends of the insulating member 25 respectively abut against the ultrasonic emitter 2 and the mounting bracket 1.

[0101] Specifically, as shown in the attached drawings Figures 3 to 5 As shown, an electrode 23 for connecting electricity is provided at the second end of the ultrasonic emitter 2. The electrode 23 is electrically connected to an external excitation controller through the conductive member 24 and a wire connected to the terminal 241 of the conductive member 24. The insulating member 25 is used for insulating and sealing the electrode 23 and the conductive member 24. A gasket can be further provided at the end of the insulating member 25 and the ultrasonic emitter 2 and / or the mounting bracket 1 to enhance the insulating and sealing effect. The wire passes through the object pipe 3 at a position where it is matched with a through-hole of the object pipe 3 through a wire sleeve 10 to achieve protection of the wire and sealing of the pipe. In this embodiment, the conductive member 24 and the electrode / 23 are made of T1 or T2 copper. After wiring, a heat-shrinkable sleeve is used to heat the hot melt adhesive for waterproof sealing at the terminal 241; the insulating member 25 is made of piezoelectric ceramic materials such as lead zirconate titanate (PZT); the gasket and the wire sleeve 10 are made of materials such as nitrile rubber and neoprene rubber, and the appliances have excellent heat resistance, air aging resistance and swelling resistance.

[0102] Further, the electrode 23 is configured as a cylindrical structure, and the inside of the cylindrical structure can cooperate with the threaded fastener 7. The threaded fastener 7 sequentially passes through the ultrasonic emitter 2, the electrode 23, and the mounting bracket 1 to fix the ultrasonic emitter 2 to the mounting bracket 1.

[0103] Specifically, as shown in the attached drawings Figures 3 to 5 As shown, the connection between the ultrasonic emitter 2 and the mounting bracket 1 is achieved by the threaded fastener 7 passing through its center. For the two ultrasonic emitters 2 in one emission unit, after the threaded fastener 7 passes through the center of the first end of one ultrasonic emitter 2 and penetrates the mounting bracket 1, its end partially embeds into the inside of the second end of the other ultrasonic emitter 2 and is thread-fitted, thereby connecting the two ultrasonic emitters 2 and the mounting bracket 1 into one body.

[0104] Embodiment 5

[0105] An embodiment of the present invention provides an air conditioner, which includes the above ultrasonic clogging removal device, and thus has all the technical effects thereof.

[0106] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", etc. is based on the orientation or positional relationship shown in the attached drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0107] Although the present invention has been described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed, as long as they do not deviate from the spirit and scope of the present invention defined by the appended claims. It should be understood that different dependent claims and the features described herein can be combined in a manner different from that described in the original claims. It should also be understood that the features described in connection with a single embodiment can be used in other described embodiments.

Claims

1. An ultrasonic blockage clearing device, characterized in that: include: At least one ultrasonic emitter, the end surface of the first end of which is configured as a first emitting surface, the first emitting surface being configured as a spherical surface concave toward a second end opposite to the first end, the ultrasonic emitter being disposed in a target pipe of the air conditioner, and the first emitting surface being directed toward a target clearing position of the target pipe; The center of the spherical surface is located at the target clearing position, or the center of the spherical surface is closer to the target clearing position than the ultrasonic emitter.

2. The ultrasonic blockage clearing device according to claim 1, characterized in that: The radius of the sphere corresponding to the spherical surface of the first emitting surface is 50 mm to 68 mm.

3. The ultrasonic blockage clearing device according to claim 1, characterized in that: The target clearing position is a bending position of the target pipe, and the sphere center is located between the ultrasonic emitter and the bending position and is closer to the bending position.

4. The ultrasonic blockage clearing device according to claim 1, characterized in that: The ultrasonic emitting body is constructed as a rotating body structure, the outer side surface of the rotating body structure is constructed as a second emitting surface, the second emitting surface is constructed as a rotating curved surface concave in the direction of the axis of the rotating body structure, and the first emitting surface is constructed on the end surface of the rotating body structure; The axis of the rotating structure coincides with the axis of the target pipe, and the second emitting surface faces the pipe wall of the target pipe.

5. The ultrasonic blockage clearing device according to claim 4, characterized in that: The generatrix of the revolution curved surface is an arc line, the circle where the arc line is located is the target circle, and the mirror image formed by the ultrasonic emitter with respect to the pipe wall of the target pipe is located between the center of the target circle and the ultrasonic emitter.

6. The ultrasonic blockage clearing device according to claim 5, characterized in that: The radius of the object circle is 15 mm to 25 mm.

7. The ultrasonic blockage clearing device according to any one of claims 1 to 6, characterized in that: The ultrasonic emitter is configured in a cone shape, and the end of the ultrasonic emitter having a larger outer diameter is the first end configured with the first emitting surface.

8. The ultrasonic blockage clearing device according to any one of claims 1 to 6, characterized in that: The device comprises at least one transmitting unit, wherein the transmitting unit comprises two ultrasonic wave emitters which are arranged in a mirror image, and the first transmitting surfaces of the two ultrasonic wave emitters are away from each other.

9. The ultrasonic blockage clearing device according to any one of claims 1 to 6, characterized in that: It also includes a tubular shell, and the ultrasonic emitter is arranged inside the tubular shell; the two ends of the tubular shell can be connected to corresponding pipes respectively to jointly constitute the target pipe, or the tubular shell can be arranged in the target pipe.

10. The ultrasonic blockage clearing device according to any one of claims 1 to 6, characterized in that: It also includes a mounting bracket for being assembled into the object pipe, the mounting bracket and the object pipe are overfitted, and the second end of the ultrasonic emitter is connected to the mounting bracket.

11. The ultrasonic blockage clearing device according to claim 10, characterized in that: The edge of the mounting bracket is configured with a plurality of overfitting portions that are discontinuously distributed along the circumference of the target pipe, and an avoidance portion is configured between two adjacent overfitting portions; Wherein, when the mounting bracket is excessively matched with the object pipe, the avoidance portion does not contact the pipe wall of the object pipe to form an avoidance gap, and a hollow portion is constructed on the main body of the mounting bracket.

12. The ultrasonic blockage clearing device according to claim 10, characterized in that: An electrode is provided at the second end of the ultrasonic emitter, and a conductive part and an insulating part are sequentially sleeved on the outside of the electrode. A terminal extending out of the insulating part is constructed on one side of the conductive part, and two ends of the insulating part respectively abut the ultrasonic emitter and the mounting bracket.

13. The ultrasonic blockage clearing device according to claim 12, characterized in that: The electrode is configured as a cylindrical structure, the interior of which can be fitted with a threaded fastener, which passes through the ultrasonic emitter, the electrode and the mounting bracket in sequence to fix the ultrasonic emitter to the mounting bracket.

14. An air conditioner, characterized in that: It comprises the ultrasonic blockage clearing device as described in any one of claims 1 to 13.

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