Noise reduction device for heating ventilation air conditioner

Abstract

The utility model relates to the technical field of noise reduction equipment for a heating ventilation air conditioner, in particular to a noise reduction device for the heating ventilation air conditioner. According to the technical scheme, the noise reduction device for the heating ventilation air conditioner comprises a noise reduction device body, a mounting plate, silencing pieces, an adjusting base and an airflow guide plate, the mounting plate is arranged on the inner side of the noise reduction device body, the silencing pieces are arranged on the surface of the mounting plate, and the multiple sets of silencing pieces are arranged; compared with a traditional noise reduction device for a heating ventilation air conditioner, a fixed noise elimination material is generally used and cannot be replaced according to the actual noise condition and the noise reduction requirement, the noise reduction effect is limited, meanwhile, after air enters the noise reduction device for the heating ventilation air conditioner, airflow is prone to disorder, noise is increased, and the noise reduction effect is affected. According to the noise reduction device for the heating ventilation air conditioner, by arranging the replaceable silencing pieces and the airflow adjusting plate, real-time adjustment can be conducted according to the actual noise condition, meanwhile, air entering the noise reduction device for the heating ventilation air conditioner can be guided, and noise is prevented from being generated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the HVAC call noise reduction equipment technical field especially, relates to a HVAC call noise reduction device. BACKGROUND

[0002] The HVAC call noise reduction device is the device for HVAC system, reduces or eliminates the noise generated in the system operation process, usually through absorption, reflection, interference or isolation sound wave, effectively reduces the noise generated by air flow, equipment operation etc.

[0003] The existing HVAC call noise reduction device generally uses fixed type sound absorbing material, cannot replace according to actual noise condition and noise reduction demand, leads to the limited noise reduction effect, and after air enters the inside of the HVAC call noise reduction device, the airflow is easy to be disordered, increases the generation of noise.

[0004] In view of the problems that the existing HVAC call noise reduction device cannot replace according to actual noise condition and noise reduction demand, leads to the limited noise reduction effect, and after air enters the inside of the HVAC call noise reduction device, the airflow is easy to be disordered, increases the generation of noise, the HVAC call noise reduction device can be adjusted in real time according to actual noise condition through the setting replaceable sound absorbing sheet and adjusting airflow plate, can guide the air entering the inside of the HVAC call noise reduction device, prevents the generation of noise. UTILITY MODEL CONTENTS

[0005] In order to overcome the problems that the existing HVAC call noise reduction device generally uses fixed type sound absorbing material, cannot replace according to actual noise condition and noise reduction demand, leads to the limited noise reduction effect, and after air enters the inside of the HVAC call noise reduction device, the airflow is easy to be disordered, increases the generation of noise.

[0006] The technical scheme of the utility model is as follows: a HVAC call noise reduction device, including noise reduction device main part, mounting plate, sound absorbing sheet, adjusting base and airflow guide plate, the inside of noise reduction device main part is provided with mounting plate, the surface of mounting plate is provided with sound absorbing sheet, sound absorbing sheet sets up multiple, sound absorbing sheet is sound absorbing cotton material, sound absorbing sheet can freely replace model, the other side of noise reduction device main part is provided with adjusting base, adjusting base sets up multiple, the side of adjusting base is provided with airflow guide plate.

[0007] Preferably, the sound-absorbing sheet is installed through the mounting plate, noise is absorbed and eliminated through the sound-absorbing sheet, users can replace the sound-absorbing sheet with different thickness, density or sound absorption coefficient according to actual noise condition and noise reduction demand, so as to achieve optimal noise reduction effect, the airflow guide plate is installed through the adjusting base, and airflow is guided to pass through the noise reduction device main body along a predetermined path through the airflow guide plate, airflow distribution is optimized, noise generated by airflow turbulence is reduced, and utilization efficiency of noise reduction material is improved.

[0008] Preferably, the bottom surface of the noise reduction device main body is provided with a mounting bracket, and the bottom surface of the mounting bracket is provided with protective foot pads at four corners.

[0009] Preferably, the two sides of the noise reduction device main body are provided with protective plates, and the protective plates are provided with moisture-absorbing strips inside.

[0010] Preferably, the top surface of the noise reduction device main body is provided with an acoustic reflector, the bottom surface of the acoustic reflector is provided with a sound reflection plate, and the sound reflection plate is provided with a plurality of groups.

[0011] Preferably, the inner top surface of the noise reduction device main body is provided with a plurality of shock absorbers, the shock absorbers are provided with shock springs outside.

[0012] Preferably, the inner top surface of the noise reduction device main body is provided with a mounting base, and the bottom surface of the mounting base is provided with a temperature detector.

[0013] Preferably, the outer side of the noise reduction device main body is sprayed with a corrosion-resistant coating, and the corrosion-resistant coating is a Kowait sound insulation and noise reduction coating material.

[0014] The utility model discloses beneficial effects:

[0015] The sound-absorbing sheet is installed through the mounting plate, noise is absorbed and eliminated through the sound-absorbing sheet, users can replace the sound-absorbing sheet with different thickness, density or sound absorption coefficient according to actual noise condition and noise reduction demand, so as to achieve optimal noise reduction effect, the airflow guide plate is installed through the adjusting base, and airflow is guided to pass through the noise reduction device main body along a predetermined path through the airflow guide plate, airflow distribution is optimized, noise generated by airflow turbulence is reduced, and utilization efficiency of noise reduction material is improved. DRAWINGS

[0016] Figure 1 A first three-dimensional structure schematic view of a noise reduction device for heating, ventilation and air conditioning is shown.

[0017] Figure 2 A second three-dimensional structure schematic view of a noise reduction device for heating, ventilation and air conditioning is shown.

[0018] Figure 3A three-dimensional structure schematic view of the noise reduction device for heating ventilation and air conditioning is shown.

[0019] Figure 4 A partial three-dimensional structure schematic view of the noise reduction device for heating ventilation and air conditioning is shown.

[0020] Mark explanation: 1, noise reduction device main body; 201, mounting bracket; 202, protective foot pad; 301, mounting plate; 302, sound-absorbing sheet; 303, adjusting base; 304, air flow guide plate; 401, protective plate; 402, moisture absorbing strip; 501, acoustic reflector; 502, sound reflection plate; 601, shock absorber; 602, shock absorbing spring; 701, mounting base; 702, temperature detector; 801, anti-corrosion coating. DETAILED DESCRIPTION

[0021] The utility model is further explained below in combination with the drawings and examples.

[0022] Please refer to Figure 2 With Figure 3 The utility model provides a kind of example: a kind of noise reduction device for heating ventilation and air conditioning, including noise reduction device main body 1, mounting plate 301, sound-absorbing sheet 302, adjusting base 303 and air flow guide plate 304, the inside of noise reduction device main body 1 of noise reduction device main body 1 is provided with mounting plate 301, the surface of mounting plate 301 is provided with sound-absorbing sheet 302, sound-absorbing sheet 302 is provided with multiple groups, sound-absorbing sheet 302 is sound-absorbing cotton material, sound-absorbing sheet 302 is free to replace model, the other side of noise reduction device main body 1 is provided with adjusting base 303, adjusting base 303 is provided with multiple groups, one side of adjusting base 303 is provided with air flow guide plate 304.

[0023] Please refer to Figure 1 With Figure 4 In the embodiment, the bottom surface of noise reduction device main body 1 is provided with mounting bracket 201, the bottom surface of mounting bracket 201 is provided with protective foot pad 202 at four corners, in use, noise reduction device main body 1 is fixedly installed by mounting bracket 201, the adhering surface of noise reduction device main body 1 and installation is protected by protective foot pad 202, both sides of noise reduction device main body 1 are provided with protective plate 401, the inside of protective plate 401 is provided with moisture absorbing strip 402, in use, the outside of noise reduction device main body 1 is protected by protective plate 401, moisture is absorbed by moisture absorbing strip 402, the top surface of noise reduction device main body 1 is provided with acoustic reflector 501, the bottom surface of acoustic reflector 501 is provided with sound reflection plate 502, sound reflection plate 502 is provided with multiple groups, in use, sound reflection plate 502 is controlled by acoustic reflector 501, the noise in the inside of noise reduction device main body 1 is reflected by sound reflection plate 502.

[0024] The inner top surface of the noise reduction device body 1 is provided with shock absorbers 601, the shock absorbers 601 are provided in multiple groups, the outer side of the shock absorbers 601 is provided with shock absorbing springs 602, in use, the shock absorbers 601 absorb the vibration of the air conditioner case, the shock absorbing springs 602 release the vibration, the inner top surface of the noise reduction device body 1 is provided with a mounting base 701, the bottom surface of the mounting base 701 is provided with a temperature detector 702, in use, the temperature detector 702 is installed on the mounting base 701, the temperature detector 702 detects the temperature inside the noise reduction device body 1, the outer side of the noise reduction device body 1 is sprayed with an anti-corrosion coating 801, the anti-corrosion coating 801 is a Kowait sound insulation and noise reduction coating material, in use, the anti-corrosion coating 801 can effectively prevent the surface of the noise reduction device body 1 from being corroded by moisture.

[0025] In use, the noise reduction device body 1 is fixedly installed through the mounting bracket 201, the fitted surface of the noise reduction device body 1 and the mounting bracket 201 is protected through the protective foot pad 202, the outer side of the noise reduction device body 1 is protected through the protective plate 401, moisture is absorbed through the moisture absorbing strip 402, the sound reflection plate 502 is controlled through the acoustic reflector 501, and the noise inside the noise reduction device body 1 is reflected through the sound reflection plate 502.

[0026] Meanwhile, the sound elimination sheet 302 is installed through the mounting plate 301, the noise is absorbed and eliminated through the sound elimination sheet 302, the airflow guide plate 304 is rotatably installed through the adjusting base 303, and the airflow is guided to pass through the noise reduction device body 1 along a predetermined path through the airflow guide plate 304.

[0027] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A noise reduction device for HVAC systems, comprising a noise reduction device body (1), characterized in that: It also includes a mounting plate (301), a sound-absorbing plate (302), an adjustment base (303), and an airflow guide plate (304). The inner side of the noise reduction device body (1) is provided with a mounting plate (301), and the surface of the mounting plate (301) is provided with a sound-absorbing plate (302). There are multiple sets of sound-absorbing plates (302). The sound-absorbing plates (302) are made of sound-absorbing cotton material. The sound-absorbing plates (302) can be freely replaced with different models. The other side of the noise reduction device body (1) is provided with an adjustment base (303). There are multiple sets of adjustment bases (303). An airflow guide plate (304) is provided on one side of the adjustment base (303).

2. The noise reduction device for HVAC according to claim 1, characterized in that: The bottom surface of the noise reduction device body (1) is provided with a mounting bracket (201), and protective foot pads (202) are provided at the four corners of the bottom surface of the mounting bracket (201).

3. The noise reduction device for HVAC according to claim 1, characterized in that: The main body (1) of the noise reduction device is provided with protective plates (401) on both sides, and moisture-absorbing strips (402) are provided inside the protective plates (401).

4. The noise reduction device for HVAC according to claim 1, characterized in that: The top surface of the noise reduction device body (1) is provided with an acoustic reflector (501), and the bottom surface of the acoustic reflector (501) is provided with a sound reflector (502). Multiple sets of sound reflectors (502) are provided.

5. A noise reduction device for HVAC according to claim 1, characterized in that: The main body (1) of the noise reduction device is provided with a shock absorber (601) on the top surface inside. Multiple sets of shock absorbers (601) are provided, and shock absorber springs (602) are provided on the outside of the shock absorber (601).

6. The noise reduction device for HVAC according to claim 1, characterized in that: The top surface of the noise reduction device body (1) is provided with a mounting base (701), and the bottom surface of the mounting base (701) is provided with a temperature detector (702).

7. A noise reduction device for HVAC according to claim 1, characterized in that: The outer side of the main body (1) of the noise reduction device is coated with an anti-corrosion coating (801), which is Quayet sound insulation and noise reduction coating material.

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