Noise reduction purification fan

Abstract

The utility model relates to the technical field of fans, in particular to a noise reduction purification fan. A housing is included; a heating module and a filtering module are sequentially mounted at the air inlet of the shell; the noise reduction module comprises a first noise reduction mechanism, a second noise reduction mechanism, first noise reduction cotton and second noise reduction cotton, the first noise reduction mechanism is arranged at an air inlet port of the filtering module, the second noise reduction mechanism is arranged at an air outlet of the shell, the first noise reduction cotton is arranged at the end of the filtering module, and the second noise reduction cotton is arranged at the end of the filtering module. The second silencing cotton is arranged at the end part of the heating module; the noise reduction module is arranged, noise reduction treatment can be carried out at the air inlet position and the air outlet position of the fan, the noise reduction effect is good, first noise reduction cotton and second noise reduction cotton are further installed on the filtering module and the heating module, noise reduction treatment can be carried out in a pipeline, and the noise reduction effect is good. According to the draught fan, the good noise reduction effect is achieved on the whole, and the using effect of the draught fan is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a noise reduction and purification fan. Background Art

[0002] With the popularization and improvement of mass entertainment facilities, inflatable play facilities are the most common, such as inflatable castles. Inflatable castles usually include an inflatable model and a fan for blowing air into the inflatable model body.

[0003] At present, the main problems with the existing inflatable model blowers used for blowing air into inflatable models are: first, the fan noise is relatively high, which greatly affects the use environment and reduces the use effect of the fan; second, it does not have the function of heating. If the temperature of the blown gas is low, the surface temperature of the inflatable model will be low, making the players feel cold and affecting the player experience; third, the gas generally contains some impurities. Blowing the gas containing impurities into the inflatable model will cause the inflatable model to produce odor and other problems, thereby reducing the user experience.

[0004] Based on the above problems, we propose a noise reduction and purification fan. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a noise reduction and purification fan, which, after being improved, can effectively solve the problems raised in the above-mentioned background technology.

[0006] The technical solution of the utility model is:

[0007] A noise reduction and purification fan, comprising a housing, a driving motor, a filtering module, a heating module and a noise reduction module; the driving motor is installed inside the housing, the power output end of the driving motor is connected to an impeller, an air cavity is arranged inside the housing, an air inlet and an air outlet are also arranged on the housing, and the air cavity is communicated with the air inlet and the air outlet respectively;

[0008] A heating module and a filtering module are sequentially installed at the air inlet of the housing; the noise reduction module comprises a first noise reduction mechanism, a second noise reduction mechanism, a first sound-absorbing cotton and a second sound-absorbing cotton, the first noise reduction mechanism is arranged at the air inlet port of the filtering module, the second noise reduction mechanism is arranged at the air outlet of the housing, the first sound-absorbing cotton is arranged on the end of the filtering module, and the second sound-absorbing cotton is arranged on the end of the heating module;

[0009] The first noise reduction mechanism and the second noise reduction mechanism have the same structure. The first noise reduction mechanism includes a noise reduction shell, which is connected to the filter module. The first air duct and the second air duct are respectively installed inside the noise reduction shell. The first air duct and the second air duct are respectively provided with a first air hole and a second air hole. A resonance cavity is also provided inside the noise reduction shell. The first air hole and the second air hole are respectively connected to the resonance cavity. The first air duct is connected to the outside, and the second air duct is connected to the filter module.

[0010] Furthermore, the first air duct of the second noise reduction mechanism is communicated with the outside, and the second air duct of the second noise reduction mechanism is communicated with the air outlet of the shell.

[0011] Furthermore, the impeller is disposed inside the wind cavity.

[0012] Furthermore, the filter module comprises a filter housing, a filter cotton layer is fixedly installed inside the filter housing, and a first grille is installed at both the air inlet end and the air outlet end of the filter housing.

[0013] Furthermore, a first groove is provided on the outer edge of the filter housing, a first sound-absorbing cotton is installed in the first groove, and a first installation housing is fixedly installed on the outer edge of the filter housing and outside the first sound-absorbing cotton.

[0014] Furthermore, the heating module includes a heating shell, an electric heating plate is fixedly installed inside the heating shell, and one end of the electric heating plate is fixedly connected to the heating shell through a heat dissipation plate; a second grille is installed at both the air inlet and outlet ends of the heating shell.

[0015] Furthermore, a second groove is provided on the outer edge of the heating shell, a second sound-absorbing cotton is installed in the second groove, and a second installation shell is fixedly installed on the outer edge of the heating shell and outside the second sound-absorbing cotton.

[0016] Furthermore, the noise reduction shell of the first noise reduction mechanism is clamped and fixed to the filter shell, the filter shell is clamped and fixed to the heating shell, the heating shell is clamped and fixed to the outer shell, and the noise reduction shell of the second noise reduction mechanism is clamped and fixed to the outer shell.

[0017] Furthermore, a purifier is fixedly installed inside the air outlet of the shell, and the purifier adopts an ultraviolet sterilization lamp.

[0018] The beneficial effects of the utility model are:

[0019] 1. Compared with the prior art, the utility model is provided with a noise reduction module, which can perform noise reduction processing at the air inlet and air outlet of the fan, and its noise reduction effect is better. In addition, the first noise-reducing cotton and the second noise-reducing cotton are installed on the filter module and the heating module, which can realize the noise reduction processing in the pipeline, so that the fan of the present application can obtain a better noise reduction effect as a whole, greatly improving the use effect of the fan and reducing the impact on the use environment;

[0020] 2. By providing a filter module, the filter cotton layer inside the filter module can effectively filter the gas, so that the quality of the gas is improved, avoiding the problem of odor in the gas model caused by the presence of gas impurities, thereby improving the user experience;

[0021] 3. By providing a heating module, the electric heating plate inside the heating module can heat the gas, so that the temperature of the gas rises, avoiding the problem of low surface temperature of the inflatable model, thereby enhancing the experience of the players. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a front view of the utility model;

[0024] Figure 3 For this utility model Figure 2 BB cross-section diagram.

[0025] In the figure, 1. casing; 2. driving motor; 3. filter module; 4. heating module; 6. impeller; 8. air inlet; 9. air outlet; 10. first noise reduction mechanism; 11. second noise reduction mechanism; 12. first sound-absorbing cotton; 13. second sound-absorbing cotton; 14. noise reduction shell; 15. first air duct; 16. second air duct; 17. first air hole; 18. second air hole; 19. resonance cavity; 20. filter shell; 21. filter cotton layer; 24. heating shell; 25. electric heating plate; 26. heat sink; 28. second mounting shell; 29. ​​air cavity; 30. first mounting shell. DETAILED DESCRIPTION

[0026] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings:

[0027] like Figure 1-3 As shown,

[0028] A noise reduction and purification fan, comprising a housing 1, a drive motor 2, a filter module 3, a heating module 4 and a noise reduction module; the drive motor 2 is installed inside the housing 1, the power output end of the drive motor 2 is connected to an impeller 6, the housing 1 is provided with a wind cavity 29, the housing 1 is also provided with an air inlet 8 and an air outlet 9, the wind cavity 29 is connected to the air inlet 8 and the air outlet 9 respectively; the heating module 4 and the filter module 3 are sequentially installed at the air inlet 8 of the housing 1; the noise reduction module comprises a first noise reduction mechanism 10, a second noise reduction mechanism 11, a first sound-absorbing cotton 12 and a second sound-absorbing cotton 13, the first noise reduction mechanism The difference between the noise reduction mechanism 10 and the second noise reduction mechanism 11 is that the specifications are different, and the structures and principles are the same; the first noise reduction mechanism 10 is arranged at the air inlet port of the filter module 3, the second noise reduction mechanism 11 is arranged at the air outlet 9 of the shell 1, the first noise reduction cotton 12 is arranged on the end of the filter module 3, and the second noise reduction cotton 13 is arranged on the end of the heating module 4; the first noise reduction mechanism 10 includes a noise reduction shell 14, the noise reduction shell 14 is connected to the filter module 3, and the first air duct 15 and the second air duct 16 are respectively installed inside the noise reduction shell 14, and the first air duct 15 and the second air duct 16 are respectively installed on the first air duct 15 and the second air duct 16. The first air hole 17 and the second air hole 18 are respectively provided, and the interior of the noise reduction housing 14 is further provided with a resonance cavity 19, the first air hole 17 and the second air hole 18 are respectively communicated with the resonance cavity 19, the first air duct 15 is communicated with the outside, and the second air duct 16 is communicated with the filter module 3; in this embodiment, the principle of noise reduction is: the gas enters the interior of the first air duct 15, enters the resonance cavity 19 through the first air hole 17, enters the second air duct 16 through the second air hole 18, and finally enters the filter module 3. In this process, the first air duct 15 and the second air duct 16 are discontinuous pipes, and the sound is in these discontinuous pipes. The sound is constantly reflected back or attenuated in the pipeline, thereby achieving the effect of reducing the sound, and, in the process of the sound entering the resonance chamber 19 from the first air duct 15 and then entering the second air duct 16, the sound interferes and rubs against each other, and the same silencing effect is achieved; in summary, the first noise reduction mechanism 10 and the second noise reduction mechanism 11 adopted in the present application can achieve a better noise reduction effect at the air inlet and outlet ends, and the noise is greatly reduced, and combined with the first noise-reducing cotton 12 and the second noise-reducing cotton 13 on the filter module 3 and the heating module 4 The pipelines cut off the sound transmission, and also achieve a better noise reduction effect, so that the overall fan has a better noise reduction performance.

[0029] As a preferred embodiment; the first air duct 15 of the second noise reduction mechanism 11 is connected to the outside, and the second air duct 16 of the second noise reduction mechanism 11 is connected to the air outlet 9 of the outer shell 1; it can be understood that the second noise reduction mechanism 11 is mainly used to further reduce noise in the final air outlet process, and the gas will enter the second noise reduction mechanism 11 from the air outlet 9 of the outer shell 1 to achieve noise reduction.

[0030] As a preferred embodiment; the impeller 6 is arranged inside the wind cavity 29; it can be understood that, driven by the impeller 6, the gas can enter the wind cavity 29 and then enter the air outlet 9 of the outer casing 1. The structure is relatively compact and at the same time, the structure can achieve a stronger air volume.

[0031] As a preferred embodiment; the filter module 3 includes a filter shell 20, a filter cotton layer 21 is fixedly installed inside the filter shell 20, and a first grille is installed at the air inlet and air outlet ends of the filter shell 20; by providing the filter module 3, the filter cotton layer 21 inside the filter module 3 can effectively filter the gas, so that the quality of the gas is improved, avoiding the problem of odor in the air model caused by the presence of gas impurities, thereby improving the user experience.

[0032] As a preferred embodiment; the outer edge of the filter housing 20 is provided with a first groove, and the first sound-absorbing cotton 12 is installed in the first groove. The outer edge of the filter housing 20 and the outside of the first sound-absorbing cotton 12 are fixedly installed with a first installation housing 30; the setting of the first installation housing 30 enables the first sound-absorbing cotton 12 to be sealed on the outer edge of the filter housing 20 to prevent the first sound-absorbing cotton 12 from contacting impurities such as water or dust and affecting its sound-absorbing effect; at the same time, the first sound-absorbing cotton 12 can be circumferentially arranged on the outer edge of the filter housing 20, which has a better effect in blocking the sound from being transmitted outward.

[0033] As a preferred embodiment; the heating module 4 includes a heating shell 24, an electric heating plate 25 is fixedly installed inside the heating shell 24, and one end of the electric heating plate 25 is fixedly connected to the heating shell 24 through a heat dissipation plate 26; the air inlet and air outlet ends of the heating shell 24 are both installed with a second grille; by providing a heating module 4, the electric heating plate 25 inside the heating module 4 can heat the gas, so that the temperature of the gas rises, avoiding the problem of low surface temperature of the inflatable model, thereby enhancing the experience of the players.

[0034] As a preferred embodiment; a second groove is provided on the outer edge of the heating shell 24, a second sound-absorbing cotton 13 is installed in the second groove, and a second mounting shell 28 is fixedly installed on the outer edge of the heating shell 24 and on the outside of the second sound-absorbing cotton 13; the setting of the second mounting shell 28 enables the second sound-absorbing cotton 13 to be sealed on the outer edge of the heating shell 24 to prevent the second sound-absorbing cotton 13 from contacting impurities such as water or dust and affecting its sound-absorbing effect; at the same time, the second sound-absorbing cotton 13 can be circumferentially arranged on the outer edge of the heating shell 24, which has a better effect in blocking the sound from being transmitted outward.

[0035] As a preferred embodiment; the noise reduction shell 14 of the first noise reduction mechanism 10 is clamped and fixed to the filter shell 20, the filter shell 20 is clamped and fixed to the heating shell 24, the heating shell 24 is clamped and fixed to the outer shell 1, and the noise reduction shell 14 of the second noise reduction mechanism 11 is clamped and fixed to the outer shell 1; it can be understood that the clamping structure is adopted everywhere so that each component can be detachably installed, and one embodiment of the clamping is: an annular groove body is provided at the end of one of the components (one end of the annular groove body is a large mouth, and the other end is a small mouth), and a clamping block is provided on the corresponding connected component, the clamping block first enters the large mouth of the annular groove body, and then rotates into the small mouth of the annular groove body, thereby achieving clamping; in order to further achieve the tightening effect, a plurality of annular groove bodies and clamping blocks can be provided, and they are arranged with equal circumference.

[0036] As a preferred embodiment, a purifier is fixedly installed inside the air outlet 9 of the housing 1, and the purifier adopts an ultraviolet sterilization lamp; by providing a purifier, the gas can be further sterilized to further improve the gas quality.

[0037] The working principle of the utility model is as follows: the driving motor 2 is started to drive the impeller 6 to rotate. At this time, the air enters from the first air duct 15 of the first noise reduction mechanism 10, enters the resonance cavity 19 through the first air hole 17, and then enters the second air duct 16 through the second air hole 18, and the first noise reduction process is realized in the first noise reduction mechanism 10. Then the air enters the filter module 3 and is filtered by the filter cotton layer 21 of the filter module 3 to realize the filtering process. The air continues to enter the heating module 4 and is heated by the electric heating plate 25 of the heating module 4 to realize the heating process of the air. At the same time, the first silencer cotton 12 and the second silencer cotton 13 are also provided on the outer edges of the pipes of the filter module 3 and the heating module 4, which can realize the second noise reduction process in the pipe. Then, the air that has been denoised, filtered and heated will enter the wind cavity 29, and a strong air volume can be formed in the wind cavity 29 and then enter the second noise reduction mechanism 11 through the air outlet 9, and the gas purification and sterilization process is realized at the air outlet 9 of the shell 1, and the third noise reduction process is realized at the second noise reduction mechanism 11.

[0038] It should be pointed out that the main problems existing in the prior art are: the fan has a high noise, which greatly affects the use environment and reduces the use effect of the fan;

[0039] Therefore, after the improvement of the present application, by providing a noise reduction module, noise reduction processing can be performed at the air inlet and air outlet of the fan, and the noise reduction effect is better. Moreover, the first sound-absorbing cotton 12 and the second sound-absorbing cotton 13 are installed on the filter module 3 and the heating module 4, and the sound-absorbing processing can be achieved in the pipeline, so that the fan of the present application can obtain better noise reduction effect as a whole, which greatly improves the use effect of the fan and reduces the impact on the use environment.

[0040] The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A noise reduction and purification fan, characterized in that: It comprises a housing, a driving motor, a filtering module, a heating module and a noise reduction module; the driving motor is installed inside the housing, the power output end of the driving motor is connected to an impeller, an air cavity is arranged inside the housing, an air inlet and an air outlet are also arranged on the housing, and the air cavity is communicated with the air inlet and the air outlet respectively; A heating module and a filtering module are sequentially installed at the air inlet of the housing; the noise reduction module comprises a first noise reduction mechanism, a second noise reduction mechanism, a first sound-absorbing cotton and a second sound-absorbing cotton, the first noise reduction mechanism is arranged at the air inlet port of the filtering module, the second noise reduction mechanism is arranged at the air outlet of the housing, the first sound-absorbing cotton is arranged on the end of the filtering module, and the second sound-absorbing cotton is arranged on the end of the heating module; The first noise reduction mechanism and the second noise reduction mechanism have the same structure. The first noise reduction mechanism includes a noise reduction shell, which is connected to the filter module. The first air duct and the second air duct are respectively installed inside the noise reduction shell. The first air duct and the second air duct are respectively provided with a first air hole and a second air hole. A resonance cavity is also provided inside the noise reduction shell. The first air hole and the second air hole are respectively connected to the resonance cavity. The first air duct is connected to the outside, and the second air duct is connected to the filter module.

2. A noise reduction and purification fan according to claim 1, characterized in that: The first air duct of the second noise reduction mechanism is communicated with the outside, and the second air duct of the second noise reduction mechanism is communicated with the air outlet of the housing.

3. A noise reduction and purification fan according to claim 2, characterized in that: The impeller is arranged inside the wind cavity.

4. A noise reduction and purification fan according to claim 3, characterized in that: The filter module comprises a filter housing, a filter cotton layer is fixedly installed inside the filter housing, and a first grille is installed at both the air inlet end and the air outlet end of the filter housing.

5. A noise reduction and purification fan according to claim 4, characterized in that: The outer edge of the filter housing is provided with a first groove, in which a first sound-absorbing cotton is installed, and a first installation housing is fixedly installed on the outer edge of the filter housing and outside the first sound-absorbing cotton.

6. A noise reduction and purification fan according to claim 5, characterized in that: The heating module comprises a heating shell, an electric heating plate is fixedly installed inside the heating shell, and one end of the electric heating plate is fixedly connected to the heating shell through a heat dissipation plate; a second grille is installed at both the air inlet and the air outlet of the heating shell.

7. A noise reduction and purification fan according to claim 6, characterized in that: The outer edge of the heating shell is provided with a second groove, in which a second sound-absorbing cotton is installed, and a second installation shell is fixedly installed on the outer edge of the heating shell and outside the second sound-absorbing cotton.

8. The noise reduction and purification fan according to claim 7, characterized in that: The noise reduction shell of the first noise reduction mechanism is clamped and fixed to the filter shell, the filter shell is clamped and fixed to the heating shell, the heating shell is clamped and fixed to the outer shell, and the noise reduction shell of the second noise reduction mechanism is clamped and fixed to the outer shell.

9. A noise reduction and purification fan according to claim 8, characterized in that: A purifier is fixedly installed inside the air outlet of the shell, and the purifier adopts an ultraviolet sterilization lamp.

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