Noise reduction structure of oxygen generator

Abstract

The utility model discloses a noise reduction structure of an oxygen generator, which relates to the technical field of oxygen generator accessories and comprises a base and a shell, a noise reduction partition plate is connected inside the base, middle composite noise reduction cotton is connected to the top of the noise reduction partition plate, and a metal bottom plate is connected to the top of the middle composite noise reduction cotton. And the top of the metal bottom plate is connected with bottom plate composite silencing cotton. Through the arrangement of the base, the shell, the bottom plate composite noise reduction cotton, the metal bottom plate, the middle composite noise reduction cotton and the noise reduction partition plate, the noise of the compressor is primarily absorbed through the bottom plate composite noise reduction cotton and then isolated through the metal bottom plate, and the base is made of the galvanized plate, so that the noise reduction effect is good. The shell is formed by compounding a galvanized plate and PP and PU foaming silencing cotton and can isolate and absorb noise generated when the compressor works. A noise reduction structure for isolating and absorbing noise for multiple times is formed, noise generated when the compressor works and hot air is discharged is reduced, and heat dissipation of the compressor is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen generator accessory technical field, concretely is an oxygen generator noise reduction structure. BACKGROUND

[0002] Oxygen generator is a kind of machine to make oxygen, its principle is to use the adsorption of molecular sieve, by physical principle, with large displacement oil-free compressor as power, nitrogen and oxygen in air are separated, and finally high concentration oxygen is obtained, the oxygen generator of this type is rapid in oxygen production, oxygen concentration is high, power consumption is low, and use price is low.

[0003] The compressor continuously runs in the running process of the existing small molecular sieve oxygen generator, the motor and the cylinder compressed gas work generate continuous heat in the running process of the compressor, need to inhale external cold air to the compressor heat dissipation and discharge hot air to the outside of the machine, the compressor bin and the external space are connected inevitably;Operating noise is generally between 50dB (A) and 60dB (A), the user experience is poor in the use process, especially at night, noise affects the normal sleep, rest effect of user and family. UTILITARIAN CONTENT

[0004] Therefore, the utility model aims at providing an oxygen generator noise reduction structure to solve the technical problems mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oxygen generator noise reduction structure, comprising a base and a shell, the base is internally connected with a sound insulation partition, and the sound insulation partition top is connected with intermediate composite sound insulation cotton, the intermediate composite sound insulation cotton top is connected with a metal bottom plate, and the metal bottom plate top is connected with bottom plate composite sound insulation cotton.

[0006] Through the above technical scheme, the compressor noise is preliminarily absorbed by the bottom plate composite sound insulation cotton, and then isolated by the metal bottom plate, and the base is made of galvanized sheet, the shell is made of galvanized sheet, PP and PU foamed sound insulation cotton, which can isolate and absorb the noise generated during the operation of the compressor;And the hot air during the heat dissipation of the compressor flows through the bottom plate composite sound insulation cotton under the bottom plate in turn, and then the noise passing through the intermediate composite sound insulation cotton is absorbed twice, then the hot air passes through the sound insulation partition to isolate the noise, then the hot air is discharged to the inside of the base through the multiple small holes at the bottom of the sound insulation partition, and finally the hot air is absorbed for the third time through the gap between the base and the sound insulation partition and discharged to the outside of the oxygen generator through the exhaust port.

[0007] Further, the bottom plate composite sound insulation cotton and the intermediate composite sound insulation cotton are both made of PP and PU foamed sound insulation cotton.

[0008] Through the above technical scheme, the hot air during heat dissipation of the compressor flows through the bottom plate composite sound-absorbing cotton below the bottom plate to be sequentially absorbed, and the noise flowing through the middle composite sound-absorbing cotton is secondarily absorbed.

[0009] Further, the thickness of the metal bottom plate is 2.5 mm.

[0010] Through the above technical scheme, the noise during operation of the compressor is primarily absorbed by the bottom plate composite sound-absorbing cotton, and then the noise is isolated by the metal bottom plate.

[0011] Further, a plurality of small holes are formed in one side of the bottom of the sound-absorbing partition plate, and the plurality of small holes are distributed in a rectangular array.

[0012] Through the above technical scheme, the hot air is isolated from the noise by the sound-absorbing partition plate, and then the hot air is discharged to the inside below the base through the plurality of small holes in the bottom of the sound-absorbing partition plate.

[0013] Further, the sound-absorbing partition plate is made of ABS material.

[0014] Through the above technical scheme, the hot air is thirdly absorbed from the noise by the gap formed between the base and the sound-absorbing partition plate, and is discharged to the outside of the oxygen generator through the air outlet.

[0015] Further, the top of the base is connected with a shell, the top of the shell is provided with a blower through an air inlet, the top of the bottom plate composite sound-absorbing cotton is provided with a compressor, and the side below the base is provided with an air outlet.

[0016] Through the above technical scheme, the air is compressed by the compressor, and then the oxygen is prepared by the subsequent molecular sieve. At the same time, the airflow is generated by the blower and sent into the shell through the air inlet to cool the compressor, and then the airflow is discharged from the air outlet.

[0017] Further, the base is made of galvanized sheet, and the shell is made of galvanized sheet, PP and PU foamed sound-absorbing cotton.

[0018] Through the above technical scheme, the base is made of galvanized sheet, and the shell is made of galvanized sheet, PP and PU foamed sound-absorbing cotton, which can isolate and absorb the noise generated during operation of the compressor.

[0019] Further, the base is connected with a rotating shaft on both sides of the bottom, and the bottom end of the rotating shaft is connected with a brake wheel.

[0020] Through the above technical scheme, the four brake wheels facilitate the staff to move the oxygen generator horizontally, and the rotating shaft facilitates the oxygen generator to turn, so that the staff can move the oxygen generator to any position for use. The brake wheel has a brake, and the staff can press the brake to avoid the oxygen generator from running randomly after the oxygen generator is moved to the specified position.

[0021] Further, the rotating shafts and the brake wheels are all provided with four, and the four rotating shafts and the four brake wheels are all distributed in a rectangular array.

[0022] By adopting the above technical scheme, since the rotating shafts and the brake wheels are all provided with four, the four corners of the base can be effectively supported, and the stability during movement and placement is increased.

[0023] To sum up, the utility model mainly has the following beneficial effects:

[0024] The utility model discloses a base, shell, bottom plate composite sound absorption cotton, metal bottom plate, intermediate composite sound absorption cotton and sound insulation baffle are set up, and the compressor noise is absorbed initially by bottom plate composite sound absorption cotton, and then the noise is isolated through the metal bottom plate, and the base is made of galvanized sheet, and the shell is made of galvanized sheet, PP and PU foamed sound absorption cotton, which can isolate and absorb the noise generated during the operation of the compressor, and the hot air during the heat dissipation of the compressor is sequentially absorbed by the bottom plate composite sound absorption cotton under the bottom plate, and then the noise is secondarily absorbed by the intermediate composite sound absorption cotton, and then the hot air is discharged to the inside of the base through the multiple small holes at the bottom of the sound insulation baffle, and finally the hot air is thirdly absorbed by the gap between the base and the sound insulation baffle and discharged to the outside of the oxygen generator through the air outlet, forming a noise reduction structure with multiple isolation and absorption, reducing the noise generated during the operation of the compressor and the discharge of the hot air, and not affecting the heat dissipation of the compressor. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the utility model;

[0026] Figure 2 It is a sectional structure schematic view of the utility model;

[0027] Figure 3 It is a sound insulation baffle bottom structure schematic view of the utility model;

[0028] Figure 4 It is a bottom plate composite sound absorption cotton structure schematic view of the utility model;

[0029] Figure 5 It is an explosion structure schematic view of the utility model.

[0030] In the drawing: 1, base;2, shell;3, air blower;4, air inlet;5, compressor;6, air outlet;7, rotating shaft;8, brake wheel;9, bottom plate composite sound absorption cotton;10, metal bottom plate;11, intermediate composite sound absorption cotton;12, sound insulation baffle. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model.

[0032] The embodiments will be described below according to the overall structure of the utility model.

[0033] Embodiment one:

[0034] A kind of oxygen generator noise reduction structure, as shown in Figures 2-5 It includes base 1 and shell 2, base 1 is made of galvanized sheet, shell 2 is made of galvanized sheet, PP and PU foamed sound-absorbing cotton compound, can isolate and absorb the noise generated when compressor 5 works;Base 1 is internally connected with sound-absorbing baffle 12, sound-absorbing baffle 12 is made of ABS material, multiple small holes are arranged on one side of the bottom of sound-absorbing baffle 12, and the multiple small holes are distributed in a rectangular array, hot air passes through sound-absorbing baffle 12 to isolate noise, and then hot air is discharged to the lower part of the inside of base 1 through multiple small holes in the bottom of sound-absorbing baffle 12, and finally hot air is discharged to the outside of the oxygen generator through the air outlet 6 after being absorbed for the third time through the gap between base 1 and sound-absorbing baffle 12;Sound-absorbing baffle 12 is connected with intermediate composite sound-absorbing cotton 11 on the top, and the noise flowing through the intermediate composite sound-absorbing cotton 11 is absorbed for the second time;Metal base plate 10 is connected with intermediate composite sound-absorbing cotton 11 on the top of intermediate composite sound-absorbing cotton 11, the thickness of metal base plate is 2.5mm, and base plate composite sound-absorbing cotton 9 is connected with metal base plate 10 on the top, and base plate composite sound-absorbing cotton 9 and intermediate composite sound-absorbing cotton 11 are both made of PP and PU foamed sound-absorbing cotton compound, and the noise generated when compressor 5 works is absorbed for the first time through base plate composite sound-absorbing cotton 9, and then the noise is isolated through metal base plate 10.

[0035] Referring to Figure 1 , Figure 2 and Figure 5 In the above embodiment, base 1 is connected with shell 2 on the top, shell 2 is installed with air blower 3 through air inlet 4 on the top, base plate composite sound-absorbing cotton 9 is installed with compressor 5 on the top, and air outlet 6 is arranged on the lower side of base 1, air is compressed by compressor 5 and then oxygen is prepared by subsequent molecular sieve, and at the same time, air flow is generated by air blower 3 and sent into the inside of shell 2 through air inlet 4 to cool compressor 5, and then the air flow is discharged from air outlet 6.

[0036] Embodiment two:

[0037] On the basis of the above-mentioned embodiment one, in order to increase flexibility, the following settings are made.

[0038] Referring to Figure 1 , Figure 2 and Figure 5In the above embodiment, the base 1 is connected with the rotating shaft 7 on both sides of the bottom, the bottom end of the rotating shaft 7 is connected with the brake wheel 8, the rotating shaft 7 and the brake wheel 8 are provided with four, the four rotating shaft 7 and the brake wheel 8 are distributed in a rectangular array, the four brake wheels 8 facilitate the horizontal movement of the oxygen generator by the staff, and the rotating shaft 7 facilitates the turning of the oxygen generator, so that the staff moves the oxygen generator to any position for use, and the brake wheel 8 has a brake, and the staff presses the brake after moving the oxygen generator to the specified position to avoid the oxygen generator running randomly.

[0039] The implementation principle of the utility model is: first, the air is compressed by the compressor 5 and then the oxygen is prepared by the subsequent molecular sieve, the specific method for preparing oxygen is the conventional means in the prior art, the technical scheme is only improved for the noise reduction part of the shell, the method for preparing oxygen is not modified, therefore the technical scheme is not described in detail, the air flow is generated by the air blower 3 and sent into the shell 2 through the air inlet 4 to cool the compressor 5, and then the air flow is discharged from the air outlet 6;

[0040] And the four brake wheels 8 facilitate the horizontal movement of the oxygen generator by the staff, and the rotating shaft 7 facilitates the turning of the oxygen generator, so that the staff moves the oxygen generator to any position for use, and the brake wheel 8 has a brake, and the staff presses the brake after moving the oxygen generator to the specified position to avoid the oxygen generator running randomly;

[0041] When the compressor 5 works, the noise is preliminarily absorbed by the bottom plate composite sound-absorbing cotton 9, and then the noise is isolated by the metal bottom plate 10, the base 1 is made of galvanized sheet, the shell 2 is composed of galvanized sheet, PP and PU foamed sound-absorbing cotton, and can isolate and absorb the noise generated when the compressor 5 works; when the compressor 5 cools, the hot air flows through the bottom plate composite sound-absorbing cotton 9 below the bottom plate in turn, and then the noise flowing through the middle composite sound-absorbing cotton 11 is secondarily absorbed, then the hot air passes through the sound-absorbing partition plate 12 to isolate the noise, and then the hot air is discharged to the inside of the base 1 below through the plurality of small holes in the bottom of the sound-absorbing partition plate 12, and finally the hot air is thirdly absorbed through the gap between the base 1 and the sound-absorbing partition plate 12 and discharged to the outside of the oxygen generator through the air outlet 6.

[0042] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A noise reduction structure of an oxygen generator, comprising a base (1) and a shell (2), characterized in that: The base (1) is internally connected with a sound insulation partition (12), the top of which is connected with intermediate composite sound insulation cotton (11), the top of which is connected with a metal bottom plate (10), and the top of which is connected with bottom plate composite sound insulation cotton (9).

2. The noise reduction structure of the oxygen generator according to claim 1, characterized in that: The bottom plate composite sound insulation cotton (9) and the intermediate composite sound insulation cotton (11) are both composed of PP and PU foamed sound insulation cotton.

3. The noise reduction structure of the oxygen generator according to claim 1, characterized in that: The thickness of the metal bottom plate is 2.5mm.

4. The noise reduction structure of the oxygen generator according to claim 1, characterized in that: The bottom of the sound insulation partition (12) is provided with a plurality of small holes on one side, which are distributed in a rectangular array.

5. The noise reduction structure of the oxygen generator according to claim 4, characterized in that: The sound insulation partition (12) is made of ABS material.

6. The noise reduction structure of the oxygen generator according to claim 1, characterized in that: The top of the base (1) is connected with a shell (2), and the top of the shell (2) is installed with a blower (3) through an air inlet (4), the top of the bottom plate composite sound insulation cotton (9) is installed with a compressor (5), and the bottom of the base (1) is provided with an air outlet (6) on one side.

7. The noise reduction structure of the oxygen generator according to claim 6, characterized in that: The base (1) is made of galvanized sheet, and the shell (2) is composed of galvanized sheet, PP and PU foamed sound insulation cotton.

8. The noise reduction structure of the oxygen generator according to claim 1, characterized in that: The bottom of the base (1) is connected with a rotating shaft (7) on both sides, and the bottom end of the rotating shaft (7) is connected with a brake wheel (8).

9. The noise reduction structure of the oxygen generator according to claim 8, characterized in that: The rotating shaft (7) and the brake wheel (8) are both provided with four, and the four rotating shafts (7) and the brake wheels (8) are distributed in a rectangular array.

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