CN218501572U

CN218501572U - Noise reduction and filtration integrated device and oxygenerator

Info

Publication number: CN218501572U
Application number: CN202222961890.5U
Authority: CN
Inventors: 吴志成; 姚广
Original assignee: Shenzhen Bi Rich Medical Devices Co ltd
Current assignee: Shenzhen Bi Rich Medical Devices Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-02-21
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to an oxygenerator technical field discloses an it makes an uproar and filters integrative device and oxygenerator to fall. The noise reduction and filtration integrated device comprises a shell, a noise reduction medium and a filtration medium, wherein a noise reduction cavity and a filtration cavity which are mutually independent are arranged in the shell, and a noise reduction inlet and a noise reduction outlet which are communicated with the noise reduction cavity, and a filtration inlet and a filtration outlet which are communicated with the filtration cavity are arranged on the shell; the noise reduction medium and the filter medium are respectively arranged in the noise reduction cavity and the filter cavity, nitrogen entering the noise reduction cavity from the noise reduction inlet can be subjected to noise reduction through the noise reduction medium and is discharged out of the shell through the noise reduction outlet, and air entering the filter cavity from the filter inlet can be subjected to filtration through the filter medium and is discharged out of the shell through the filter outlet. The utility model has the advantages that the noise reduction cavity and the filter cavity which are mutually independent are arranged in the shell, so that one device can realize two functions, the structure is more compact, the occupied space is favorably reduced, and the integration level and the miniaturization are improved; reducing the time and economic costs of manufacture and assembly.

Description

Noise reduction and filtration integrated device and oxygenerator

Technical Field

The utility model relates to an oxygenerator technical field especially relates to an it makes an uproar and filters integrative device and oxygenerator to fall.

Background

The oxygen generator is a kind of machine for producing oxygen, and its principle is that it utilizes air separation technology, firstly, the air is compressed in high density, then the different condensation points of all the components in the air are utilized to make it undergo the process of gas-liquid separation at a certain temperature, then further rectified so as to obtain the invented product. Its advantages are high oxygen output speed and high oxygen concentration. By adopting the adsorption performance of the molecular sieve and taking a large-displacement oil-free compressor as power through a physical principle, nitrogen and oxygen in the air are separated, and finally high-concentration oxygen is obtained. The oxygen generator of the type has rapid oxygen generation and high oxygen concentration, and is suitable for oxygen therapy and oxygen health care of various people. Low power consumption and low use price.

In the prior art, as shown in fig. 1, a conventional oxygen generator has two independent bodies, namely a nitrogen discharge noise reduction device 100 and an intake air filtration device 200. They act independently, making them expensive and bulky to manufacture.

Therefore, a device integrating noise reduction and filtration and an oxygen generator are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on the foregoing, an object of the utility model is to provide a make an uproar falls and filter integrative device and oxygenerator, it is small, with low costs.

In order to achieve the purpose, the utility model adopts the following technical proposal:

make an uproar and filter integrative device falls includes:

the noise reduction device comprises a shell, wherein a noise reduction cavity and a filtering cavity which are mutually independent are arranged in the shell, and the shell is provided with a noise reduction inlet and a noise reduction outlet which are communicated with the noise reduction cavity, and a filtering inlet and a filtering outlet which are communicated with the filtering cavity;

the noise reduction inlet enters nitrogen in the noise reduction cavity, the noise reduction medium can be discharged from the noise reduction outlet, the air in the filtering cavity can be filtered by the filtering medium, and the filtered air is discharged from the filtering outlet.

As a preferred scheme of making an uproar and filtering integrative device fall, the casing includes inferior valve and epitheca, be provided with in the inferior valve and fall the groove of making an uproar and filter tank, the epitheca can lock in the inferior valve to enclose with fall the groove of making an uproar with the filter tank and establish into respectively fall the chamber of making an uproar with the filter tank.

As a preferred scheme of the noise reduction and filtration integrated device, the noise reduction inlet is arranged at the upper shell, and the noise reduction outlet is arranged at the bottom of the noise reduction groove of the lower shell; the filtering inlet is arranged on one side of the upper shell, and the filtering outlet is arranged on the bottom of the filtering groove of the lower shell.

As a preferable scheme of the noise reduction and filtration integrated device, the filtration inlet and the filtration outlet are respectively arranged at two ends of a diagonal line of the cross section of the shell.

As a preferred scheme of the noise reduction and filtration integrated device, one of the upper shell and the lower shell is provided with a buckling groove, and the other is provided with a buckling bulge; and/or the upper shell and the lower shell are connected by ultrasonic welding.

As a preferable scheme of the noise reduction and filtration integrated device, mounting lugs are arranged on the upper shell and/or the lower shell.

As a preferred scheme of the noise reduction and filtration integrated device, reinforcing ribs are arranged at the bottom of the filter tank and at one side of the upper shell, which is opposite to the filter tank.

As a preferable scheme of the noise reduction and filtration integrated device, the volume of the noise reduction cavity is 1/6 of the volume of the filtration cavity.

As a preferred scheme of the noise reduction and filtration integrated device, the noise reduction inlet is provided with a noise reduction joint, and the filtration inlet and the filtration outlet are both provided with filtration joints.

The oxygenerator comprises the noise reduction and filtration integrated device according to any scheme.

The utility model has the advantages that:

the utility model discloses a set up the mutually independent chamber and the filter chamber of making an uproar of falling in the casing, be used for the filtration of making an uproar and air of falling of nitrogen gas respectively for two kinds of functions can be realized to a device. Compared with the prior art, the structure of the noise reduction and filtration integrated device is more compact, the occupied space is favorably reduced, and the integration level and the miniaturization are improved. In addition, the noise reduction and filtration integrated device can effectively reduce the manufacturing and assembling, and further reduce the time cost and the economic cost of manufacturing and assembling. Specifically, the noise reduction cavity and the filtering cavity are internally provided with a noise reduction medium and a filtering medium respectively, high-pressure nitrogen gas which needs to be subjected to noise reduction can enter the noise reduction cavity from a noise reduction inlet, the noise reduction cavity is discharged from a noise reduction outlet via the noise reduction medium, air which needs to be filtered can enter the filtering cavity from the filtering inlet, and the air is discharged from a filtering outlet via the filtering medium.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic view of a noise reducing device and a filtering device in the prior art;

FIG. 2 is a schematic view of an integrated noise reduction and filtration device according to an embodiment of the present invention;

fig. 3 is an exploded view of an integrated noise reduction and filtration device according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an integrated noise reduction and filtration device according to an embodiment of the present invention;

fig. 5 is a schematic view of a lower casing of the noise reduction and filtration integrated device according to the embodiment of the present invention.

In the figure:

100. a nitrogen discharge and noise reduction device; 200. an intake air filtering device;

1. a housing; 11. a lower case; 111. a noise reduction groove; 1111. a noise reduction outlet; 112. a filter tank; 1121. a filtration outlet; 1122. reinforcing ribs; 12. an upper shell; 121. a noise reduction inlet; 122. mounting ears; 131. a noise reducing joint; 132. a filter adapter;

21. a noise reducing medium; 22. a filter medium.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 2-5, the present embodiment provides an integrated noise reduction and filtration device, which includes a casing 1, a noise reduction medium 21 and a filtration medium 22, wherein a noise reduction cavity and a filtration cavity that are independent of each other are provided in the casing 1, a noise reduction inlet 121 and a noise reduction outlet 1111 that are communicated with the noise reduction cavity are provided on the casing 1, and a filtration inlet and a filtration outlet 1121 that are communicated with the filtration cavity are provided; the noise reduction medium 21 and the filter medium 22 are respectively disposed in the noise reduction cavity and the filter cavity, the nitrogen entering the noise reduction cavity from the noise reduction inlet 121 can be noise reduced by the noise reduction medium 21 and exhausted from the noise reduction outlet 1111 of the housing 1, and the air entering the filter cavity from the filter inlet can be filtered by the filter medium 22 and exhausted from the housing 1 from the filter outlet 1121.

Through set up the chamber and the filter chamber of making an uproar that mutually independent in casing 1, be used for making an uproar and the filtration of air fall of nitrogen gas respectively for a device can realize two kinds of functions. Compared with the prior art, the structure of the noise reduction and filtration integrated device is more compact, the occupied space is favorably reduced, and the integration level and the miniaturization are improved. In addition, the noise reduction and filtration integrated device can effectively reduce the manufacturing and assembling, and further reduce the time cost and the economic cost of manufacturing and assembling. Specifically, the noise reduction cavity and the filter cavity are respectively provided with a noise reduction medium 21 and a filter medium 22, high-pressure nitrogen gas which needs noise reduction can enter the noise reduction cavity from a noise reduction inlet 121, and is discharged out of the housing 1 from a noise reduction outlet 1111 after noise reduction through the noise reduction medium 21, air which needs filtering can enter the filter cavity from a filter inlet, and is discharged out of the housing 1 from a filter outlet 1121 after filtering through the filter medium 22.

It should be noted that the noise reducing medium 21 may be a breathable sponge. During operation, high-pressure nitrogen rushes into the noise reduction cavity, and the breathable sponge can buffer the gas flow velocity and reduce the gas pressure, so that the noise is reduced. The filter medium 22 may be a filter sponge for filtering air.

As an alternative of the noise reduction and filtration integrated device, the housing 1 includes a lower shell 11 and an upper shell 12, the lower shell 11 is provided with a noise reduction groove 111 and a filtration groove 112, it can be understood that the noise reduction groove 111 and the filtration groove 112 are separated from each other, the upper shell 12 can be buckled with the lower shell 11, when the upper shell 12 is buckled with the lower shell 11, the upper shell 12 and the noise reduction groove 111 can be enclosed to form a noise reduction cavity, and meanwhile, the upper shell and the filtration groove 112 can be enclosed to form a filtration cavity. Two mutually independent cavities can be separated through the upper shell 12 and the lower shell 11, so that different functions can be realized, and the time and the labor are saved during processing and assembling.

Specifically, in order to achieve the sealing performance of the fastening of the upper casing 12 and the lower casing 11, the upper casing 12 and the lower casing 11 are connected by ultrasonic welding, so as to ensure the air tightness between the upper casing 12 and the lower casing 11, and effectively ensure that the filtered air and the noise-reducing nitrogen gas in the casing 1 cannot leak from the joint of the upper casing 12 and the lower casing 11.

Furthermore, in the upper case 12 and the lower case 11, one of them is provided with a fastening groove, and the other is provided with a fastening protrusion, so that when the upper case 12 is fastened to the lower case 11, the fastening protrusion can be disposed in the fastening groove. Through setting up lock groove and lock arch, can realize the pre-assembly between 12 and the inferior valve 11 of epitheca, the subsequent welding of being convenient for welding operation in-process epitheca 12 and inferior valve 11 between the position fixed, guaranteed welding operation's convenience and accuracy.

In this embodiment, the noise reduction inlet 121 is disposed on the upper shell 12, and the noise reduction outlet 1111 is disposed on the bottom of the noise reduction groove 111 of the lower shell 11, that is, the high-pressure nitrogen enters the noise reduction cavity from above and then flows out from below. Illustratively, the noise reduction outlet 1111 is provided with a plurality of outlets to ensure smooth outflow of nitrogen.

Alternatively, the filtering inlet is disposed at one side of the upper shell 12, and the filtering outlet 1121 is disposed at the bottom of the filtering slot 112 of the lower shell 11, i.e. air also enters the filtering cavity from the top and then flows out from the bottom. Preferably, the filtering inlet and outlet 1121 are respectively provided at both ends of a diagonal line of the cross-section of the housing 1. This arrangement allows for a longer air flow path within the filter media 22 to ensure better filtration.

As an alternative to the noise reduction and filtration integrated device, in order to implement installation of the noise reduction and filtration integrated device, the upper shell 12 and/or the lower shell 11 are provided with mounting lugs 122. Optionally, four mounting ears 122 are disposed around the upper shell 12, so that the installation is more stable and reliable.

In the embodiment, the volume of the noise reduction cavity is 1/6 of the volume of the filter cavity. It should be noted that, the person skilled in the art may set the volumes of the noise reduction chamber and the filter chamber according to the volume of the air to be filtered and the volume of the nitrogen to be noise reduced, and the volume is not limited in particular.

Further, in order to ensure the strength of the housing 1, the bottom of the filter tank 112 and the side of the upper casing 12 facing the filter tank 112 are provided with reinforcing ribs 1122. Alternatively, the reinforcing ribs 1122 may be arranged to extend in the transverse direction, in the longitudinal direction, or in a cross arrangement in the transverse direction and the longitudinal direction, so as to ensure a better reinforcing effect. While also facilitating an increased contact area between air entering the filter cavity via the filter inlet and the filter media 22, resulting in increased filtration efficiency.

Preferably, the noise reduction inlet 121 is provided with a noise reduction adapter 131, and the filter inlet and filter outlet 1121 are each provided with a filter adapter 132. Through setting up the connector 131 of making an uproar and filtering the connector 132 of falling, be convenient for more between casing 1 and the trachea be connected, further improve assembly efficiency.

The embodiment also discloses an oxygen generator which comprises the noise reduction and filtration integrated device in any scheme. The oxygen generator provided with the noise reduction and filtration integrated device has smaller volume and lower cost while ensuring better noise reduction and filtration effects.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. Make an uproar and filter integrative device falls, its characterized in that includes:

the noise reduction device comprises a shell (1), wherein a noise reduction cavity and a filtering cavity which are independent from each other are arranged in the shell (1), and a noise reduction inlet (121) and a noise reduction outlet (1111) which are communicated with the noise reduction cavity, and a filtering inlet and a filtering outlet (1121) which are communicated with the filtering cavity are arranged on the shell (1);

a noise reduction medium (21) and a filter medium (22) respectively disposed in the noise reduction chamber and the filter chamber, wherein nitrogen gas entering the noise reduction chamber from the noise reduction inlet (121) can be noise reduced by the noise reduction medium (21) and discharged out of the housing (1) from the noise reduction outlet (1111), and air entering the filter chamber from the filter inlet can be filtered by the filter medium (22) and discharged out of the housing (1) from the filter outlet (1121).

2. The integrated noise reduction and filtration device according to claim 1, wherein the housing (1) comprises a lower shell (11) and an upper shell (12), a noise reduction groove (111) and a filtration groove (112) are arranged in the lower shell (11), and the upper shell (12) can be buckled with the lower shell (11) to enclose the noise reduction cavity and the filtration cavity with the noise reduction groove (111) and the filtration groove (112), respectively.

3. The integrated noise reduction and filtration device according to claim 2, wherein the noise reduction inlet (121) is provided to the upper shell (12), and the noise reduction outlet (1111) is provided to the bottom of the noise reduction groove (111) of the lower shell (11); the filtering inlet is arranged at one side of the upper shell (12), and the filtering outlet (1121) is arranged at the bottom of the filtering groove (112) of the lower shell (11).

4. The integrated noise reduction and filtration device according to claim 3, wherein the filtration inlet and the filtration outlet (1121) are respectively provided at both ends of a diagonal line of the cross section of the housing (1).

5. The integrated noise reduction and filtration device according to claim 2, wherein a fastening groove is formed on one of the upper shell (12) and the lower shell (11), and a fastening protrusion is formed on the other, and when the upper shell (12) is fastened to the lower shell (11), the fastening protrusion can be placed in the fastening groove; and/or the upper shell (12) and the lower shell (11) are connected by ultrasonic welding.

6. A noise reduction and filtration integrated device according to claim 2, wherein mounting ears (122) are provided on the upper shell (12) and/or the lower shell (11).

7. The integrated noise reduction and filtration device according to claim 2, wherein the bottom of the filtration tank (112) and the side of the upper shell (12) facing the filtration tank (112) are provided with reinforcing ribs (1122).

8. The integrated noise reduction and filtration device according to any one of claims 1 to 7, wherein the volume of the noise reduction chamber is 1/6 of the volume of the filtration chamber.

9. A noise reducing and filtering integrated device according to any one of claims 1-7, wherein the noise reducing inlet (121) is provided with a noise reducing joint (131), and the filtering inlet and the filtering outlet (1121) are each provided with a filtering joint (132).

10. An oxygen generator, comprising the noise reduction and filtration integrated device as claimed in any one of claims 1 to 9.