Noise reduction structure of air conditioner outdoor unit

Abstract

The noise reduction structure of the air conditioner outdoor unit comprises a noise reduction isolation structure and a flow division noise reduction structure, the upper surface of the flow division noise reduction structure is connected with a drainage extension pipe, and sound insulation structures are fixedly installed on the inner side surfaces of the flow division noise reduction structure and the drainage extension pipe. The upper end of the drainage extension pipe is fixedly provided with a rain shielding top, and the noise reduction isolation structure comprises an isolation mesh fence and an inclined mesh plate. According to the noise reduction structure of the air conditioner outdoor unit, the heat exchange gas can be led into the air flowing above the noise reduction isolation structure to exchange heat for the heat exchanger in the air conditioner outdoor unit, so that the phenomenon that the heating or refrigerating effect is reduced due to internal circulation caused by the fact that the air inlet and the air outlet of the air conditioner outdoor unit are both formed in the inner side of the noise reduction isolation structure is avoided; and the air inlet end opening of the air conditioner outdoor unit is covered with the flow division noise reduction structure, sound insulation and noise reduction are conducted through the sound insulation structure, and therefore the noise reduction effect is better achieved.

Description

Technical Field

[0001] The utility model relates to the field of noise reduction devices, in particular to a noise reduction structure of an outdoor unit of an air conditioner. Background Art

[0002] When the air conditioner outdoor unit is working, the fan inside the outdoor unit needs to rotate at high speed to exchange heat. Therefore, when it rotates, the air flow will vibrate through the heat exchanger, thereby generating noise. At present, the way to reduce the noise is to surround it with a noise reduction isolation structure. This structure can well achieve the purpose of sound insulation and noise reduction. However, after use, this structure will cause the air flow inside the noise reduction isolation structure to be blocked from the outside. The main reason is that in order to achieve better sound insulation and noise reduction, the height of the traditional isolation structure is set several times higher than the air conditioner outdoor unit. Even if the air conditioner outdoor unit discharges the gas after heat exchange upward, the gas cannot be discharged from the outside of the noise reduction isolation structure, resulting in low heat exchange efficiency of the heat exchanger, making the cooling or heating effect worse, and it cannot achieve the effect of noise reduction from the source for the main noise-generating parts. For this reason, we propose a noise reduction structure for the air conditioner outdoor unit. Utility Model Content

[0003] The main purpose of the utility model is to provide a noise reduction structure for an air conditioner outdoor unit, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A noise reduction structure for an air conditioner outdoor unit includes a noise reduction isolation structure and a diversion noise reduction structure, wherein the upper surface of the diversion noise reduction structure is connected to a drainage extension pipe, the inner surfaces of the diversion noise reduction structure and the drainage extension pipe are both fixedly installed with a sound insulation structure, and the upper end of the drainage extension pipe is fixedly installed with a rain shield.

[0006] Furthermore, the noise reduction isolation structure includes an isolation mesh fence and an inclined mesh plate, and the inclined mesh plate is fixedly mounted on the upper surface of the isolation mesh fence.

[0007] Furthermore, the diverter noise reduction structure includes a diverter noise reduction box, a heat exchange docking port, a sealing gasket and a fixing screw hole. The surface of the diverter noise reduction box is provided with a heat exchange docking port. The surface of the diverter noise reduction box is fixedly installed with a sealing gasket around the heat exchange docking port. The surface of the sealing gasket and the surface of the diverter noise reduction box are provided with fixing screw holes around the heat exchange docking port.

[0008] Furthermore, the upper end of the drainage extension pipe is more than two meters higher than the upper end of the noise reduction isolation structure.

[0009] Furthermore, the sound insulation structure includes a geotextile, a sound insulation sponge and sound-absorbing holes. The sound insulation sponge is fixedly mounted on the inner surface of the geotextile, and the sound insulation sponge has sound-absorbing holes on its surface.

[0010] Furthermore, a plurality of silencer holes are opened on the surface and are evenly arranged on the surface of the sound insulation sponge. A support rod is fixedly installed on the lower surface of the rain shield, and the lower end of the support rod is fixed to the edge of the upper port of the drainage extension tube.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, heat exchange gas can be drawn from the air flowing above the noise reduction isolation structure to exchange heat with the heat exchanger inside the air-conditioning outdoor unit. This avoids the situation where the air inlet and outlet of the air-conditioning outdoor unit are both on the inner side of the noise reduction isolation structure, resulting in internal circulation reducing the heating or cooling effect. The diversion noise reduction structure cover is arranged on the air inlet port of the air-conditioning outdoor unit, and sound insulation and silencing are performed through the sound insulation structure, thereby better achieving the noise reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a noise reduction structure of an air conditioner outdoor unit of the utility model;

[0014] Figure 2 It is a partial display of the noise reduction structure of an air conditioner outdoor unit of the utility model;

[0015] Figure 3 This is a diagram showing the split flow noise reduction structure of the noise reduction structure of the outdoor unit of an air conditioner of the utility model;

[0016] Figure 4 This is a cross-sectional view showing a drainage extension pipe and a sound insulation structure of a noise reduction structure of an air conditioner outdoor unit of the utility model.

[0017] In the figure: 1. Noise reduction isolation structure; 101. Isolation mesh fence; 102. Inclined mesh plate; 2. Diversion noise reduction structure; 201. Diversion noise reduction box; 202. Heat exchange docking port; 203. Sealing gasket; 204. Fixing screw hole; 3. Drainage extension pipe; 4. Sound insulation structure; 401. Geotextile; 402. Sound insulation sponge; 403. Silencing hole; 5. Rain shield; 501. Support rod. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] Embodiment 1:

[0020] like Figure 1-4As shown, a noise reduction structure of an air conditioner outdoor unit includes a noise reduction isolation structure 1 and a diversion noise reduction structure 2, the upper surface of the diversion noise reduction structure 2 is connected with a drainage extension pipe 3, the inner surfaces of the diversion noise reduction structure 2 and the drainage extension pipe 3 are fixedly installed with a sound insulation structure 4, the upper end of the drainage extension pipe 3 is fixedly installed with a rain shield 5, and during installation, the diversion noise reduction structure 2 and the bottom surface of the air conditioner outdoor unit are fixed on a cement base by expansion screws;

[0021] The noise reduction isolation structure 1 includes an isolation mesh fence 101 and an inclined mesh plate 102, and the upper surface of the isolation mesh fence 101 is fixedly installed with the inclined mesh plate 102; the diversion noise reduction structure 2 includes a diversion noise reduction box 201, a heat exchange docking port 202, a sealing gasket 203 and a fixing screw hole 204, and the surface of the diversion noise reduction box 201 is provided with a heat exchange docking port 202, and the surface of the diversion noise reduction box 201 is located around the heat exchange docking port 202 and the sealing gasket 203 is fixedly installed, and the surface of the sealing gasket 203 and the surface of the diversion noise reduction box 201 are located around the heat exchange docking port 202 and the fixing screw hole 204 is provided. The sealing gasket 203 serves to seal the diversion noise reduction box 201 and the air conditioner outdoor unit; the upper port of the drainage extension pipe 3 is more than two meters higher than the upper end of the noise reduction isolation structure 1; the sound insulation structure 4 includes a geotextile 401, a sound insulation sponge 402 and a silencer hole 403, and the inner surface of the geotextile 401 is fixedly installed with a sound insulation sponge 402, and the surface of the sound insulation sponge 402 is provided with a silencer hole 403; there are multiple silencer holes 403 on the surface, and they are evenly arranged on the surface of the sound insulation sponge 402, and a support rod 501 is fixedly installed on the lower surface of the rain shield 5, and the lower end of the support rod 501 is fixed to the edge of the upper port of the drainage extension pipe 3.

[0022] It should be noted that the utility model is a noise reduction structure for an air-conditioning outdoor unit. When in use, the heat exchange docking port 202 is docked with the air inlet port of the air-conditioning outdoor unit. The number of docked outdoor units is customized according to the size of the heat exchange docking port 202. After docking, screws are passed through the fixing screw holes 204 and fixed to the preset screw holes on the edge of the air inlet of the air-conditioning outdoor unit. In this way, the installation of the diversion noise reduction structure 2 can be completed. During use, the isolation mesh fence 101 of the noise reduction isolation structure 1 surrounds the periphery of the air-conditioning outdoor unit. When the air conditioner is started, the outdoor unit introduces external airflow for heat exchange, and the airflow passes through the upper port of the drainage extension tube 3. The flowing airflow is introduced from high altitude into the diversion noise reduction box 201, and then the airflow is diverted to each air-conditioning outdoor unit to exchange heat with the heat exchanger. At this time, noise is generated when the gas flows through the heat exchanger. The noise is isolated and reduced by the three structures of the sound insulation structure 4, the diversion noise reduction structure 2 and the drainage extension pipe 3. The sound is very small, and then the isolation and noise reduction of the noise reduction isolation structure 1 further reduces the noise to a decibel smaller than before. At the same time, the airflow diverted from the upper air will be emitted to the outside of the noise reduction isolation structure 1 after heat exchange, avoiding the traditional internal circulation that reduces the heating or cooling effect.

[0023] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A noise reduction structure for an air conditioner outdoor unit, characterized in that: The invention comprises a noise reduction isolation structure (1) and a diversion noise reduction structure (2); the upper surface of the diversion noise reduction structure (2) is connected to a drainage extension pipe (3); the inner surfaces of the diversion noise reduction structure (2) and the drainage extension pipe (3) are both fixedly mounted with a sound insulation structure (4); the upper end of the drainage extension pipe (3) is fixedly mounted with a rain shield (5); the diversion noise reduction structure (2) comprises a diversion noise reduction box (201), a heat exchange docking port (202), a sealing gasket (203) and a fixing screw hole (204); the surface of the diversion noise reduction box (201) is provided with a heat exchange docking port (202); A sealing gasket (203) is fixedly installed on the surface of the diversion noise reduction box (201) around the heat exchange docking port (202), and a fixing screw hole (204) is provided on the surface of the sealing gasket (203) and the surface of the diversion noise reduction box (201) around the heat exchange docking port (202). The sound insulation structure (4) comprises a geotextile (401), a sound insulation sponge (402) and a soundproofing hole (403). A sound insulation sponge (402) is fixedly installed on the inner surface of the geotextile (401), and a sound insulation sponge (402) is provided on the surface of the sound insulation sponge (402).

2. The noise reduction structure of an air conditioner outdoor unit according to claim 1, characterized in that: The noise reduction isolation structure (1) comprises an isolation mesh fence (101) and an inclined mesh plate (102), and the inclined mesh plate (102) is fixedly mounted on the upper surface of the isolation mesh fence (101).

3. The noise reduction structure of an air conditioner outdoor unit according to claim 2, characterized in that: The upper end of the drainage extension pipe (3) is more than two meters higher than the upper end of the noise reduction isolation structure (1).

4. The noise reduction structure of an air conditioner outdoor unit according to claim 3, characterized in that: The surface of the muffler hole (403) is provided with a plurality of holes, which are evenly arranged on the surface of the sound insulation sponge (402). A support rod (501) is fixedly installed on the lower surface of the rain shield (5), and the lower end of the support rod (501) is fixed to the edge of the upper port of the drainage extension tube (3).

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