Single-cavity silent oxygen generator

Abstract

The utility model discloses a single-cavity silent oxygen generator which comprises a base, and an outer shell and an inner shell are mounted on the base; an air compressor, an air inlet silencer and a nitrogen silencer are installed in the inner shell. An air inlet cavity is formed in the outer shell, a filter is placed in the air inlet cavity, the air inlet cavity is connected with an air inlet silencer, and the air inlet silencer is connected with an air compressor; a condenser pipe connected with an air compressor is arranged outside the inner shell, the other end of the condenser pipe is connected with an adsorption tower, and a nitrogen discharge port of the adsorption tower is connected with a nitrogen silencer; an oxygen outlet is formed in the outer shell, an oxygen exhaust port of the adsorption tower is connected with the oxygen outlet, the air compressor, the air inlet silencer and the nitrogen silencer are installed in the inner shell, an air sound insulation layer is defined by an interlayer space and an air outlet channel and wraps the inner shell, noise transmission can be effectively reduced, the average noise of the whole machine is controlled within 38dB, and the service life of the whole machine is prolonged. An independent gas storage bottle is omitted, oxygen storage and an adsorption tower are combined into a whole, the space is reduced, and the structure is simplified.

Description

Technical Field

[0001] The utility model relates to an oxygen generator, in particular to a single-chamber silent oxygen generator. Background Art

[0002] At present, the noise of oxygen concentrators on the market is basically higher than 42dB. Excessive noise can easily make people irritable and affect human health, especially for people who need oxygen supply. They are in an uncomfortable state. Excessive noise will further increase the user's discomfort. The noise sources of oxygen concentrators mainly include intake noise, exhaust noise, compressor noise, etc. Therefore, in order to meet the market demand, a silent oxygen concentrator is introduced. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a single-chamber silent oxygen concentrator.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A single-chamber silent oxygen concentrator comprises a base, on which an outer shell and an inner shell located inside the outer shell are mounted; an air compressor, an air intake muffler and a nitrogen muffler are mounted in the inner shell; an air intake chamber is provided on the outer shell, a filter is placed in the air intake chamber, the air intake chamber is connected to the air intake muffler pipeline, and the air outlet end of the air intake muffler is connected to the air compressor pipeline; a condenser connected to the air compressor pipeline is mounted on the outer side of the inner shell, the other end of the condenser pipeline is connected to an adsorption tower, and the nitrogen exhaust port of the adsorption tower is connected to the nitrogen muffler pipeline; an oxygen outlet is provided on the outer shell, and the oxygen exhaust port of the adsorption tower is connected to the oxygen outlet pipeline.

[0006] An interlayer space is formed between the outer shell and the inner shell, the middle portion of the base is a concave structure forming an air outlet channel, and the air outlet channel and the interlayer space together form an air sound insulation layer that wraps the inner shell.

[0007] The lower end of the outer shell is provided with an air intake grille connected to the interlayer space, the top of the inner shell is installed with a fan that blows the air in the interlayer space into the inner shell, and the lower end of the inner shell is connected to the air outlet channel; the side wall of the base is provided with an exhaust grille that connects the air outlet channel with the outside.

[0008] The air outlet end of the nitrogen silencer is communicated with the air outlet channel.

[0009] A support frame is installed on the base, the inner shell is installed on the support frame, the inner shell and the support frame together form a sound insulation cavity, and the air compressor, air intake silencer and nitrogen silencer are installed in the sound insulation cavity.

[0010] A humidification cup is installed on the outer side of the outer shell, the oxygen discharge port of the adsorption tower is connected to the air inlet end pipeline of the humidification cup, and the air outlet end of the humidification cup is connected to the oxygen outlet pipeline.

[0011] A humidification cup is installed on the outer side of the outer shell, and the oxygen outlet is connected to the air inlet end pipeline of the humidification cup.

[0012] Universal wheels are installed at the bottom of the base.

[0013] A handle is provided at the upper end of the outer shell.

[0014] An air intake cover plate is installed on the air intake cavity.

[0015] The beneficial effects of the utility model are:

[0016] 1. The utility model has an outer shell and an inner shell located inside the outer shell installed on the base; an air compressor, an air intake silencer and a nitrogen silencer installed in the inner shell; an air intake cavity is provided on the outer shell, a filter is placed in the air intake cavity, the air intake cavity is connected to the air intake silencer pipeline, and the air outlet end of the air intake silencer is connected to the air compressor pipeline; a condenser connected to the air compressor pipeline is installed on the outer side of the inner shell, the other end of the condenser pipeline is connected to an adsorption tower, and the nitrogen exhaust port of the adsorption tower is connected to the nitrogen silencer pipeline; an oxygen outlet is provided on the outer shell, and the oxygen exhaust port of the adsorption tower is connected to the oxygen outlet pipeline. The air compressor, the air intake silencer and the nitrogen silencer are installed in the inner shell, and an air sound insulation layer is formed by the interlayer space and the air outlet channel to wrap the inner shell, which can effectively reduce the transmission of noise and control the average noise of the whole machine within 38dB.

[0017] 2. Eliminate the separate gas storage cylinder and combine the oxygen storage with the adsorption tower to reduce space and simplify the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 This is one of the internal structure diagrams of the utility model;

[0021] Figure 3 This is the second internal structure diagram of the utility model;

[0022] Figure 4 It is the structural diagram of the base;

[0023] Figure 5 It is a structural diagram of the support frame. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0026] Some embodiments of the present invention are described below in conjunction with the accompanying drawings.

[0027] Reference Figures 1 to 5 A single-chamber silent oxygen concentrator comprises a base 1, on which an outer shell 2 and an inner shell 3 located inside the outer shell 2 are installed; an air compressor 5, an air intake silencer 4 and a nitrogen silencer 6 are installed in the inner shell 3; an air intake cavity is provided on the outer shell 2, a filter is placed in the air intake cavity, the air intake cavity is connected to the air intake silencer 4 through a pipeline, and the air outlet end of the air intake silencer 4 is connected to the air compressor 5 through a pipeline; a condenser 7 connected to the air compressor 5 through a pipeline is installed on the outer side of the inner shell 3, and the other end of the condenser 7 is connected to an adsorption filter through a pipeline Tower 8, the nitrogen outlet of the adsorption tower 8 is connected to the nitrogen silencer 6 by pipeline; the outer shell 2 is provided with an oxygen outlet 9, the oxygen outlet of the adsorption tower 8 is connected to the oxygen outlet 9 by pipeline (the connection is a straight-through connection, that is, oxygen can be discharged after the machine is turned on), the air compressor, the air intake silencer and the nitrogen silencer are installed in the inner shell, and the air sound insulation layer is formed by the interlayer space and the air outlet channel, which wraps the inner shell, can effectively reduce the transmission of noise, and control the average noise of the whole machine within 38dB, eliminate the separate gas storage cylinder, and combine the oxygen storage with the adsorption tower into one, reduce the space, and simplify the structure.

[0028] The external air is first filtered through the filter, then enters the air intake silencer 4 to achieve air intake silencer, then enters the air compressor 5 for air compression processing, and then enters the adsorption tower 8. Finally, the nitrogen generated is exhausted and silenced through the nitrogen silencer 6, and the generated oxygen is stored in the adsorption tower 8 waiting for use.

[0029] An interlayer space is formed between the outer shell 2 and the inner shell 3 , and the middle portion of the base 1 is a concave structure forming an air outlet channel 10 , and the air outlet channel 10 and the interlayer space together form an air sound insulation layer that wraps the inner shell 3 .

[0030] The lower end of the outer shell 2 is provided with an air intake grille 11 connected to the interlayer space, and the top of the inner shell 3 is installed with a fan 12 that blows the air in the interlayer space into the inner shell 3, and the lower end of the inner shell 3 is connected to the air outlet channel 10; the side wall of the base 1 is provided with an exhaust grille 17 that connects the air outlet channel 10 with the outside, and the fan 12 blows air toward the air compressor 5, and finally discharges air from the exhaust grille 17 through the air outlet channel 10, taking away the heat generated by it, thereby achieving an air cooling effect.

[0031] The air outlet end of the nitrogen silencer 6 is communicated with the air outlet channel 10 .

[0032] A support frame 13 is installed on the base 1, and the inner shell 3 is installed on the support frame 13. The inner shell 3 and the support frame 13 together form a soundproof cavity. The air compressor 5, the air intake silencer 4 and the nitrogen silencer 6 are installed in the soundproof cavity. A heat dissipation port 19 is provided on the support frame 13 directly below the air compressor 5. The air for cooling the air compressor 5 passes through the heat dissipation port 19 and enters the air outlet channel 10.

[0033] The support frame 13 is provided with a lower concave cavity 20 , and the heat dissipation opening 19 is provided at the bottom of the lower concave cavity 20 . The heat dissipation opening 19 is composed of a plurality of circular holes arranged and combined.

[0034] The first embodiment: a humidification cup 14 is installed on the outside of the outer shell 2, the oxygen outlet of the adsorption tower 8 is connected to the air inlet pipe of the humidification cup 14, and the air outlet of the humidification cup 14 is connected to the oxygen outlet pipe 9. In this embodiment, the prepared oxygen must pass through the humidification cup 12 to increase the humidity of the oxygen.

[0035] The second embodiment: a humidification cup 14 is installed on the outer side of the outer shell 2, and the oxygen outlet 9 is connected to the air inlet pipe of the humidification cup 14. In this embodiment, the prepared oxygen can be selected to pass through the humidification cup 12 to increase the oxygen humidity, or it can be used directly without passing through the humidification cup 12, which is more flexible to use.

[0036] A universal wheel 15 is installed at the bottom of the base 1, and a handle 16 is provided at the upper end of the outer shell 2 for easy movement.

[0037] The handle portion 16 can be hingedly installed on the outer shell 2, or can be integrally formed with the outer shell 2. The outer shell 2 is composed of a front shell and a rear shell. Correspondingly, the handle portion 16 is divided into a front half and a rear half. When the front shell and the rear shell are installed, the front half and the rear half constitute the complete handle portion 16.

[0038] An air intake cover plate 18 is installed on the air intake cavity. After a certain period of use, the filter can be replaced by opening the air intake cover plate 18.

[0039] The outer shell 2 is also provided with an atomizing nozzle 21, and the adsorption tower 8 is provided with an oxygen storage part. The oxygen discharge port of the adsorption tower 8 is connected with the oxygen storage part, and the oxygen storage part is connected with the atomizing nozzle 21 through a solenoid valve, and the on-off is controlled by the solenoid valve.

[0040] In addition, this product is equipped with solenoid valves, regulating valves, etc. according to needs to control the size and switch of gas volume.

[0041] In the present invention, the term "plurality" means two or more than two, unless otherwise clearly defined. The term "and / or" used herein includes any and all combinations of one or more related listed items. The terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "connect" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0042] It should be noted that when an element is referred to as being "assembled on", "installed on", "fixed on" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0043] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A single-chamber silent oxygen concentrator, comprising a base (1), characterized in that An outer shell (2) and an inner shell (3) located inside the outer shell (2) are mounted on the base (1); an air compressor (5), an air intake silencer (4) and a nitrogen silencer (6) are mounted inside the inner shell (3); an air intake cavity is arranged on the outer shell (2), a filter is placed inside the air intake cavity, the air intake cavity is connected to a pipeline of the air intake silencer (4), and an air outlet end of the air intake silencer (4) is connected to a pipeline of the air compressor (5); a condenser (7) connected to a pipeline of the air compressor (5) is mounted on the outer side of the inner shell (3), the other end of the condenser (7) is connected to an adsorption tower (8) through a pipeline, and a nitrogen outlet of the adsorption tower (8) is connected to a pipeline of the nitrogen silencer (6); an oxygen outlet (9) is arranged on the outer shell (2), and an oxygen outlet of the adsorption tower (8) is connected to a pipeline of the oxygen outlet (9).

2. The single-chamber silent oxygen concentrator according to claim 1 is characterized in that An interlayer space is formed between the outer shell (2) and the inner shell (3); the middle portion of the base (1) is a concave structure forming an air outlet channel (10); the air outlet channel (10) and the interlayer space together form an air sound insulation layer that wraps around the inner shell (3).

3. The single-chamber silent oxygen concentrator according to claim 2 is characterized in that The lower end of the outer shell (2) is provided with an air intake grille (11) communicating with the interlayer space; the top of the inner shell (3) is provided with a fan (12) for blowing air in the interlayer space into the inner shell (3); the lower end of the inner shell (3) is communicated with the air outlet passage (10); and the side wall of the base (1) is provided with an exhaust grille (17) communicating with the air outlet passage (10) and the outside.

4. The single-chamber silent oxygen concentrator according to claim 2 is characterized in that The air outlet end of the nitrogen silencer (6) is in communication with the air outlet channel (10).

5. The single-chamber silent oxygen concentrator according to claim 1 is characterized in that A support frame (13) is mounted on the base (1), the inner shell (3) is mounted on the support frame (13), the inner shell (3) and the support frame (13) together form a soundproof cavity, and the air compressor (5), the air intake silencer (4) and the nitrogen silencer (6) are mounted in the soundproof cavity.

6. The single-chamber silent oxygen concentrator according to claim 1 is characterized in that A humidification cup (14) is installed on the outside of the outer shell (2); the oxygen discharge port of the adsorption tower (8) is connected to the air inlet end pipeline of the humidification cup (14); and the air outlet end of the humidification cup (14) is connected to the oxygen outlet (9) pipeline.

7. The single-chamber silent oxygen concentrator according to claim 1 is characterized in that A humidification cup (14) is installed on the outside of the outer shell (2), and the oxygen outlet (9) is connected to the air inlet end pipeline of the humidification cup (14).

8. The single-chamber silent oxygen concentrator according to claim 1 is characterized in that A universal wheel (15) is installed at the bottom of the base (1).

9. The single-chamber silent oxygen concentrator according to claim 1, characterized in that A handle portion (16) is provided at the upper end of the outer shell (2).

10. The single-chamber silent oxygen concentrator according to claim 1, characterized in that An air intake cover plate (18) is installed on the air intake cavity.

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