CN219836307U - Shell assembly and oxygenerator - Google Patents

Abstract

The utility model is applicable to oxygenerator, and provides a shell assembly and oxygenerator, comprising a supporting piece, an inner shell and an outer shell, wherein the outer shell is used for installing a component for separating oxygen in the outer shell; the inner shell is connected with the supporting piece and spliced with one surface of the outer shell to form a compressor bin, the compressor bin is used for placing a compressor, and the supporting piece is used for supporting the compressor; the inner shell is provided with a first air inlet used for discharging nitrogen into the compressor bin, and the support piece is provided with an air outlet channel used for discharging gas in the compressor bin. By forming the compressor bin, the internal space of the oxygenerator is more compact, and materials are saved; the compressor bin has the silencing capability, the discharged nitrogen firstly enters the compressor bin to be silenced, and meanwhile, the nitrogen flows in the compressor bin to assist in heat dissipation of the compressor, so that noise reduction and temperature rise suppression in the compressor bin can be well balanced.

Description

Shell assembly and oxygenerator

Technical Field

The utility model belongs to an oxygenerator, and particularly relates to a shell assembly and the oxygenerator.

Background

Oxygenerator is a kind of machine for preparing oxygen, and its principle is to use air separation technology. The adsorption performance of the molecular sieve tower is adopted, the large-displacement oil-free compressor is used 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 this type can produce oxygen rapidly and has high oxygen concentration, and is suitable for oxygen therapy and oxygen health care of various people.

The household oxygenerator needs a good silencing effect and silencing air inlet and air outlet of the oxygenerator; the mode commonly used in the prior art is to gaseous amortization through independent silencing device, and silencing device passes through the module intercommunication such as pipeline and compressor, molecular sieve tower, also exists the design with silencing device and organism integration among the prior art.

The prior art considers the arrangement of the silencer inside the oxygenerator, but in order to save space, the structure inside the oxygenerator has also an optimization space.

Disclosure of Invention

The embodiment of the utility model aims to provide a shell assembly and aims to solve the problem of structural optimization in an oxygen generator.

Embodiments of the present utility model are achieved by comprising a support, an inner shell, and an outer shell for mounting components for separating oxygen therein; the inner shell is connected with the supporting piece and spliced with one surface of the outer shell to form a compressor bin, the compressor bin is used for placing a compressor, and the supporting piece is used for supporting the compressor; the inner shell is provided with a first air inlet used for discharging nitrogen into the compressor bin, and the support piece is provided with an air outlet channel used for discharging gas in the compressor bin.

Preferably, the connection parts among the inner shell, the supporting piece and the outer shell are connected in a sealing way.

Preferably, one side surface of the inner shell is a curved surface, and the shape of the curved surface is matched with the shape of a molecular sieve tower in the oxygenerator and is used for being attached to the molecular sieve tower.

Preferably, the top surface of the support member is provided with a second air inlet, the side surface of the support member is provided with a first air outlet, and the second air inlet is communicated with the first air outlet to form an air outlet channel.

Preferably, the surface where the first exhaust port is located is attached to the surface where the compressor bin is formed on the shell, and a second exhaust port with the same shape as the first exhaust port is formed on the shell corresponding to the first exhaust port, so that gas in the compressor bin is exhausted out of the oxygenerator.

Preferably, the first air inlet and the second air inlet are arranged in a staggered manner, so that the air flowing into the compressor bin from the first air inlet flows through the compressor and then enters the second air inlet.

Preferably, the support is further provided with an air inlet channel for extracting air from outside the compressor compartment for delivery to the compressor.

Preferably, a first silencing bin and a second silencing bin are arranged in the air inlet channel, and the first silencing bin and the second silencing bin are used for silencing the extracted air.

Preferably, a third air inlet is further formed in the shell, and the third air inlet is formed in one side, close to the air inlet end of the air inlet channel in the support piece, of the shell.

Another object of an embodiment of the present utility model is directed to an oxygenerator, comprising:

a housing assembly as provided in any one of the embodiments above;

the compressor is arranged in the compressor bin;

the molecular sieve tower is arranged on one side surface outside the inner shell; and

and a valve block installed on the other side surface of the outer part of the inner shell.

According to the shell assembly provided by the embodiment of the utility model, the compressor bin is formed by the inner shell, the outer shell and the supporting piece together, so that the space between the inner shell and the outer shell on one side is directly eliminated, the inner space of the oxygenerator is more compact, and materials are saved; the compressor bin has the silencing capability, the discharged nitrogen firstly enters the compressor bin, the nitrogen is discharged to be silenced, meanwhile, due to the flowing of the nitrogen in the compressor bin, waste gas with higher heat gathered near the compressor can be brought out, the heat dissipation is assisted to the compressor, and the noise reduction and the temperature rise suppression in the compressor bin can be well balanced.

Drawings

FIG. 1 is a cross-sectional view of a housing assembly according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a housing assembly according to an embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view of a compressor cartridge of a housing assembly according to an embodiment of the present utility model;

fig. 4 is an exploded view of an oxygenerator according to an embodiment of the present utility model.

In the accompanying drawings: 100. a support; 110. an air outlet channel; 111. a second air inlet; 112; a first exhaust port; 120. an air intake passage; 121. an air inlet end; 122. an air outlet end; 200. an inner case; 201. a first side surface; 210. a first air inlet; 300. a housing; 301. a first shell; 302. a second shell; 310. a second exhaust port; 320. a third air inlet; 400. a compressor; 500. a molecular sieve tower; 600. a valve group; 700. a heat radiation fan; 801. an arc-shaped plate I; 802. and an arc-shaped plate II.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

As shown in fig. 1, a cross-sectional view of a housing assembly according to an embodiment of the present utility model includes a support 100, an inner case 200, and an outer case 300, the outer case 300 being for mounting components for separating oxygen therein; the inner case 200 is connected to the supporter 100 and is combined with one surface of the outer case 300 to form a compressor housing for housing a compressor, and the supporter 100 is for supporting the compressor; the inner shell 200 is provided with a first air inlet 210, the first air inlet 210 is used for discharging nitrogen into the compressor bin, the support member 100 is provided with an air outlet channel 110, and the air outlet channel 110 is used for discharging gas in the compressor bin.

In this embodiment, the housing 300 is a complete machine housing 300 of the oxygenerator, on which a display screen, a handle, and the like can be disposed. The housing 300 is typically formed by a plurality of shells, which are connected by screws; for example, the housing 300 may be formed by splicing a first housing 301 and a second housing 302. The oxygen separation components inside the housing 300 may use the principle of pressure swing adsorption of nitrogen and oxygen to produce oxygen, and thus the oxygen separation components generally include a compressor, a molecular sieve column, a valve block, etc.

In this embodiment, the inner shell 200 is simultaneously spliced with the support 100 and the outer shell 300, and the three are spliced together to form a relatively closed compressor compartment, in which the compressor compartment is mainly used for placing a compressor, the weight of the compressor is borne by the support 100, and the molecular sieve tower and the valve group are located outside the compressor compartment. For example, when spliced, the inner shell 200 has two open faces, one bottom face and one side face, the bottom of the inner shell 200 is connected to the support 100 and the side is spliced with the side of the outer shell 300, such as the side of the inner shell 200 is spliced with the face of the first shell 301. It will be appreciated that the compressor compartment can isolate the noise of the compressor, the compressor will generate more heat during operation, and a fan may be provided at the top of the inner housing 200 to dissipate heat from the heat in the compressor compartment.

In this embodiment, the produced oxygen will be output through a pipeline for users to use, and the separated nitrogen needs to be discharged to the environment, the nitrogen flows to the valve group after being separated from the molecular sieve tower, the valve group controls the discharge of the nitrogen, specifically, the first air inlet 210 is opened on the inner shell 200, the air outlet channel 110 is set on the support 100, and the nitrogen discharged by the valve group will first enter the compressor bin and then be discharged from the air outlet channel 110.

In the embodiment, the inner shell 200, the outer shell 300 and the supporting piece 100 together form a compressor bin, so that the space between the inner shell 200 and the outer shell 300 on one side is directly eliminated, the internal space of the oxygenerator is more compact, and materials are saved; the compressor bin has the silencing capability, the discharged nitrogen firstly enters the compressor bin, the nitrogen is discharged to be silenced, meanwhile, due to the flowing of the nitrogen in the compressor bin, waste gas with higher heat gathered near the compressor can be brought out, the heat dissipation is assisted to the compressor, and the noise reduction and the temperature rise suppression in the compressor bin can be well balanced.

As a preferred embodiment of the present utility model, the joints between the inner case 200, the supporting member 100, and the outer case 300 are hermetically connected. The sealing of the joint can be realized by a sealing ring or by close contact between contact surfaces.

Referring to fig. 2, as another preferred embodiment of the present utility model, one side of the inner shell 200 is a curved surface, and the shape of the curved surface is adapted to the shape of a molecular sieve tower in an oxygen generator, so as to be attached to the molecular sieve tower. In order to further make the space inside the oxygenerator more compact, one side shape of the inner shell 200 is designed to be a curved surface, such as a side one 201, so that the inner shell is better fitted with molecular sieve towers, the molecular sieve towers are generally cylindrical, and the oxygenerator is generally provided with two molecular sieve towers, so that the side of the inner shell 200 can be provided with two molecular sieve towers side by side to form a wave shape, and the distance between the molecular sieve towers and the inner shell 200 is directly reduced.

As another preferred embodiment of the present utility model, the top surface of the support member 100 is provided with a second air inlet 111, the side surface of the support member 100 is provided with a first air outlet 112, and the second air inlet 111 is communicated with the first air outlet 112 to form an air outlet channel. The top surface of the supporting member 100 is positioned inside the compressor compartment, and thus a second air inlet 111 is opened at the top surface; the side surface of the supporting piece 100 is arranged outside the compressor bin, and the side surface is provided with a first exhaust port 112 which can directly exhaust the waste gas; the exhaust passage on the support 100 may form an exhaust bin, but may not require the exhaust to be muffled by the muffler cotton.

The surface of the first exhaust port 112 is attached to the surface of the housing 300 where the compressor chamber is formed, and a second exhaust port 310 having the same shape as the first exhaust port 112 is provided on the housing 300 corresponding to the first exhaust port 112, so as to exhaust the gas in the compressor chamber to the outside of the oxygenerator. Since the supporting member 100 is also used for forming the compressor compartment, one side surface of the supporting member 100 is attached to one side surface of the housing 300, the side surface on the supporting member 100 is provided with the first exhaust port 112, and the side surface on the housing 300 is provided with the second exhaust port 310, and the positions and shapes of the first exhaust port 112 and the second exhaust port 310 are the same, so that the exhaust gas can be conveniently discharged out of the oxygenerator directly.

As another preferred embodiment of the present utility model, the first air inlet 210 and the second air inlet 111 are offset, so that the air flowing into the compressor compartment from the first air inlet 210 flows through the compressor 400 and then enters the second air inlet 111. When the valve body is disposed at the upper portion of the outer wall of the inner case 200, the first air inlet 210 is opened at a position on the inner case 200 corresponding to the valve body, and the first air inlet 210 may be composed of a plurality of circular holes in an array; in order to make the first air inlet 210 and the second air inlet 111 dislocate, as long as the second air inlet 111 is no longer under the first air inlet 210, the opening position of the second air inlet 111 on the support member 100 should be far away from the first air inlet 210, when nitrogen enters the compressor cabin, the nitrogen flows through the surface of the compressor first, then enters the second air inlet 111, and the temperature of the compressor is reduced in an auxiliary way.

Further, as shown in fig. 3, a cooling fan 700 may be disposed at the top of the compressor compartment, where the cooling fan 700 is used to draw air outside the compressor compartment and blow the air into the compressor compartment, and a baffle is disposed on the wall of the compressor compartment, and the baffle includes a first arc 801 and a second arc 802, and the shapes of the first arc 801 and the second arc 802 are adapted to the shape of the outer surface of the compressor; the first arc plate 801 and the second arc plate 802 can provide avoidance space for fixing a fixing piece of the compressor or form holes on the fixing piece to avoid the fixing piece when being installed, and the avoidance space is not particularly limited; the compressor 400 is covered by the first arc plate 801 and the second arc plate 802, a distance of 1 cm to 10cm is reserved between the first arc plate 801, the second arc plate 802 and the compressor 400, and a heat dissipation air channel is formed between the heat dissipation fan 700 and the second air inlet 111 by the first arc plate 801 and the second arc plate 802; referring to the arrows in fig. 3, the heat radiation fan 700 blows the air outside the inner case 200 to the inside, the air flow is guided to flow over the surface of the compressor 400 and over a larger area, and finally flows to the second air inlet 111 and is discharged from the first air outlet 112, thereby improving the heat radiation effect to a greater extent; in addition, the first arc plate 801 and the second arc plate 802 are arranged to radiate heat to the compressor 400, and simultaneously isolate noise synchronously, reduce noise and balance noise reduction and temperature rise of the compressor 400.

As another preferred embodiment of the present utility model, an air inlet channel 120 is further provided on the support member 100, and the air inlet channel 120 is used for extracting air from the outside of the compressor compartment to be delivered to the compressor. The air intake passage 120 needs to draw air from outside the compressor compartment, and the support member 100 has an exhaust passage for exhausting exhaust gas, so that the air intake passage 120 is opened at a position away from the exhaust passage; the air inlet passage 120 may be opened at a side of the support 100, particularly, a side having a molecular sieve tower. The air inlet end 121 of the air inlet channel 120 can be an elongated slit, the elongated slit does not need to be provided with a pipeline and a dustproof part, and the elongated slit can realize a hidden design, so that the molecular sieve tower can be attached to the inner shell 200; the outlet end 122 of the inlet channel 120 is located on the top surface of the support 100 for delivering gas to the compressor.

Further, a first silencing bin and a second silencing bin are disposed in the air intake channel 120, and the first silencing bin and the second silencing bin are used for silencing the extracted air. The first and second silencing bins may be filled with silencing cotton, and the air inlet channel 120 may directly extract air from the outside of the compressor bin without carrying separate silencer, and the silencing structure and the supporting structure may be fused to optimize the space inside the oxygenerator.

As another preferred embodiment of the present utility model, a third air inlet 320 is further provided on the housing 300, and the third air inlet 320 is provided on a side of the housing 300 near the air inlet end 121 of the air inlet channel 120 on the support 100. In this embodiment, in order to facilitate the air intake of the air intake channel 120 on the support member 100, a third air intake 320 is formed on the housing 300 near the air intake channel 120 of the support member 100, and after the air from the outside of the housing 300 enters the housing 300, the air is extracted by the support member 100.

As shown in fig. 4, an embodiment of the present utility model further provides an oxygen generator, including:

a housing assembly as provided in any one of the embodiments above;

a compressor 400 installed in the compressor compartment;

a molecular sieve column 500 installed at one side of the outside of the inner case 200; and

a valve block 600 is installed at the other side surface of the outside of the inner case 200.

The compressor 400 is installed in the compressor housing and is fixed to the supporter 100, the inlet gas path of the compressor 400 may pass through the supporter 100, not particularly limited herein, the molecular sieve tower 500 and the valve block 600 are respectively located at two opposite outer sides of the inner housing 200, the height of the molecular sieve tower 500 may correspond to the height of the inner housing 200, and the nitrogen gas discharged from the valve block 600 will be discharged into the compressor housing and discharged from the exhaust passage of the supporter 100. In this embodiment, the inner shell 200 and the outer shell 300 are fused, a part of the gap between the inner shell 200 and the outer shell 300 is eliminated, the first air inlet 210 is arranged on the inner shell 200 to guide out nitrogen generated by oxygen production, the air outlet channel 110 is designed on the supporting piece 100, the structure of the shell assembly is optimized to provide a basis for reasonably arranging the internal space of the oxygen generator, and the space inside the whole oxygen generator is compact and reasonable by combining the position relationship between the shell assembly and the compressor 400, the molecular sieve tower 500 and the valve bank 600 and the shell assembly.

The above embodiment of the present utility model provides a housing assembly, and provides an oxygenerator based on the housing assembly, wherein the inner housing 200, the outer housing 300 and the supporting member 100 together form a compressor compartment, so that the space between the inner housing 200 and the outer housing 300 on one side is directly eliminated, the internal space of the oxygenerator is more compact, and the material is saved; the compressor bin has the silencing capability, the discharged nitrogen enters the compressor bin firstly, the nitrogen is discharged to be silenced, meanwhile, due to the flowing of the nitrogen in the compressor bin, waste gas with higher heat collected near the compressor 400 can be brought out, the auxiliary heat dissipation of the compressor 400 is realized, and the noise reduction and the temperature rise suppression in the compressor 400 bin can be well balanced; through the structural optimization of the inner shell 200, the outer shell 300 and the supporting piece 100, the layout among the compressor 400, the valve group 600 and the molecular sieve tower 500 carried on the inner shell is more reasonable, and the internal structure of the oxygenerator is more compact; by arranging the air outlet channel 110, the air inlet channel 120 and the third air inlet 320, the air passage outside the compressor bin is shorter, and the air inlet and the air outlet of the oxygenerator are more convenient.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A housing assembly comprising a support, an inner housing and an outer housing for mounting within the housing a component for separating oxygen; the inner shell is connected with the supporting piece and spliced with one surface of the outer shell to form a compressor bin, the compressor bin is used for placing a compressor, and the supporting piece is used for supporting the compressor; the inner shell is provided with a first air inlet used for discharging nitrogen into the compressor bin, and the support piece is provided with an air outlet channel used for discharging gas in the compressor bin.

2. The housing assembly of claim 1, wherein the connection between the inner housing, the support, and the outer housing is sealed.

3. The housing assembly of claim 1, wherein one side of the inner housing is curved, and wherein the curved shape is adapted to the shape of a molecular sieve tower in an oxygen generator for attachment to the molecular sieve tower.

4. The housing assembly of claim 1, wherein the top surface of the support member defines a second air inlet, and the side surface of the support member defines a first air outlet, the second air inlet being in communication with the first air outlet to define an air outlet passage.

5. The housing assembly of claim 4, wherein the first exhaust port is formed on a surface of the housing, which is attached to a surface of the housing on which the compressor compartment is formed, and a second exhaust port having the same shape as the first exhaust port is formed on the housing corresponding to the first exhaust port, for exhausting the gas in the compressor compartment to the outside of the oxygenerator.

6. The housing assembly of claim 5, wherein the first inlet is offset from the second inlet such that gas flowing into the compressor compartment from the first inlet flows through the compressor and into the second inlet.

7. A housing assembly according to any one of claims 1 to 6, wherein the support member is further provided with an air inlet passage for drawing air from outside the compressor compartment for delivery to the compressor.

8. The housing assembly of claim 7, wherein a first sound attenuation chamber and a second sound attenuation chamber are disposed in the intake passage, the first and second sound attenuation chambers being configured to attenuate the extracted air.

9. The housing assembly of claim 7, wherein the housing further comprises a third air inlet opening in the housing on a side of the housing adjacent the air inlet end of the air inlet passage in the support member.

10. An oxygenerator, comprising:

a housing assembly according to any one of claims 1 to 9;

the compressor is arranged in the compressor bin;

the molecular sieve tower is arranged on one side surface outside the inner shell; and

and a valve block installed on the other side surface of the outer part of the inner shell.