Sound absorption and noise reduction device of oxygen generator

Abstract

The utility model discloses a sound absorption and noise reduction device of an oxygen generator, and relates to the technical field of oxygen generators. A charging port is formed in the right end of the machine shell; an air inlet bin is arranged at the upper end of the charging port; a reaction bin is arranged at the upper end of the air inlet bin; a connecting pipeline is arranged at the joint of the waste cylinder and the reaction bin and the joint of the oxygen cylinder and the reaction bin; a motor partition frame is arranged at the lower end of the reaction bin, sound insulation cotton is arranged at the outer end of the motor partition frame, a motor is arranged in the motor partition frame, an upper positioning frame and a lower positioning frame are arranged at the upper end and the lower end of the motor respectively, the upper positioning frame is arranged on the motor partition frame, and a buffer spring is arranged at the joint of the lower end of the lower positioning frame and the base. Most of kinetic energy generated when the motor vibrates can be absorbed through the buffer springs, then a small amount of residual noise is absorbed through the sound insulation cotton, and the situation that normal experience is affected due to the fact that noise is too large when the motor works is avoided.

Description

Technical Field

[0001] The present application relates to the field of oxygen concentrators, and in particular to a sound absorption and noise reduction device for oxygen concentrators. Background Art

[0002] Oxygen generator is a type of machine that produces oxygen. Its principle is to use air separation technology. First, the air is compressed at a high density, and then the different condensation points of the components in the air are used to separate the gas and liquid at a certain temperature, and then distilled to separate it into oxygen and nitrogen. In general, since it is mostly used to produce oxygen, people are accustomed to calling it an oxygen generator. Since oxygen and nitrogen have a wide range of uses, oxygen generators are also widely used in the national economy. Especially in metallurgy, chemical industry, petroleum, defense and other industries, it is used most.

[0003] In the prior art, current oxygen generators use air separation technology, and the motor or compressor will generate a lot of noise when compressing the air, which seriously affects the user experience. Utility Model Content

[0004] The purpose of this application is to solve the problem that the current oxygen generator adopts air separation technology in the above background, and the motor or compressor will generate relatively large noise when compressing air, which seriously affects the user experience. This application provides an oxygen generator sound absorption and noise reduction device.

[0005] In order to achieve the above-mentioned purpose, the present application specifically adopts the following technical scheme: an oxygen concentrator sound absorption and noise reduction device, comprising a casing, characterized in that a base is provided at the lower end of the casing, a heat dissipation port is provided at the center of the lower end of the base, a control panel is provided at the upper end of the casing, and control buttons are provided on the control panel, a replacement slot is provided at the left end of the casing, a waste barrel is provided in the replacement slot, an oxygen extraction port is provided at the lower end of the replacement slot, a charging port is provided at the right end of the casing, an air inlet bin is provided at the upper end of the charging port, a reaction bin is provided at the upper end of the air inlet bin, the waste barrel and the oxygen barrel are respectively provided at the upper and lower sides of the left end of the reaction bin, a connecting pipe is provided at the connection between the waste barrel and the oxygen barrel and the reaction bin, and a motor partition is provided at the lower end of the reaction bin;

[0006] Sound insulation cotton is arranged at the outer end of the motor partition, a motor is arranged inside the motor partition, an upper positioning frame and a lower positioning frame are arranged at the upper and lower ends of the motor respectively, the upper positioning frame is arranged on the motor partition, a buffer spring is arranged at the connection between the lower end of the lower positioning frame and the base, the control panel, the control button, the charging port and the motor are electrically connected to an external power supply and an external controller, and are controlled by the external controller.

[0007] Furthermore, a carrying groove is provided at the upper end of the housing, and a waterproof groove is provided at the lower end of the carrying groove.

[0008] Furthermore, a cover is provided at the upper end of the replacement slot, and a hinge is provided at the connection between the cover and the casing.

[0009] Furthermore, the replacement slot is provided with an avoidance slot at the lower end of the cover body.

[0010] Furthermore, the oxygen cylinder is arranged on the base, and bolts are arranged at the connection between the oxygen cylinder and the base.

[0011] Furthermore, a dust cover is provided at the connection between the air inlet bin and the casing.

[0012] Furthermore, silicone pads are provided at the four corners of the lower end of the base.

[0013] Furthermore, the reaction chamber is arranged on the motor partition frame, and a fixing seat is arranged at the connection between the motor partition frame and the reaction chamber.

[0014] The beneficial effects of the present application are as follows: First, since the utility model is provided with a motor partition, sound insulation cotton, an upper positioning frame, a lower positioning frame and a buffer spring, the utility model can first absorb most of the kinetic energy of the motor vibration through the buffer spring, and then the sound insulation cotton absorbs the remaining small amount of noise, thereby avoiding excessive noise affecting the normal experience when the utility model is working; secondly, since the utility model is provided with an air inlet bin, a reaction bin, a waste barrel, an oxygen cylinder and a motor partition, the utility model isolates the noise within the motor partition, prevents the noise from echoing or resonating in the casing, and improves the practicality of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the overall first-view structural diagram of this application;

[0016] Figure 2 This is the overall second-view structural diagram of this application;

[0017] Figure 3 This is the first-person internal view of the entire application;

[0018] Figure 4 It is the second perspective internal view of the entire application;

[0019] Figure numerals: 1. Casing; 11. Hand-held groove; 12. Control panel; 13. Control button; 14. Oxygen intake port; 15. Dust cover; 16. Charging port; 17. Waterproof groove; 2. Base; 21. Silicone pad; 22. Heat dissipation port; 23. Bolt; 3. Replacement slot; 31. Cover; 32. Hinge; 33. Avoidance slot; 4. Air inlet chamber; 5. Reaction chamber; 6. Waste barrel; 61. Connecting pipe; 7. Oxygen cylinder; 8. Motor partition; 81. Sound insulation cotton; 82. Fixed seat; 83. Upper positioning frame; 84. Lower positioning frame; 85. Buffer spring; 9. Motor. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0021] like Figure 1-Figure 4 As shown, an oxygen concentrator sound absorption and noise reduction device proposed in one embodiment of the present application, a sound absorption and noise reduction device for an oxygen concentrator, comprising a casing 1, characterized in that a base 2 is provided at the lower end of the casing 1, a heat dissipation port 22 is provided at the center of the lower end of the base 2, a control panel 12 is provided at the upper end of the casing 1, a control button 13 is provided on the control panel 12, a replacement slot 3 is provided at the left end of the casing 1, a waste barrel 6 is provided in the replacement slot 3, an oxygen extraction port 14 is provided at the lower end of the replacement slot 3, a charging port 16 is provided at the right end of the casing 1, an air inlet bin 4 is provided at the upper end of the charging port 16, a reaction bin 5 is provided at the upper end of the air inlet bin 4, a waste barrel 6 and an oxygen barrel 7 are respectively provided at the upper and lower sides of the left end of the reaction bin 5, a connecting pipe 61 is provided at the connection between the waste barrel 6 and the oxygen barrel 7 and the reaction bin 5, and a motor partition 8 is provided at the lower end of the reaction bin 5;

[0022] A sound insulation cotton 81 is arranged at the outer end of the motor partition frame 8, a motor 9 is arranged inside the motor partition frame 8, an upper positioning frame 83 and a lower positioning frame 84 are respectively arranged at the upper and lower ends of the motor 9, the upper positioning frame 83 is arranged on the motor partition frame 8, and a buffer spring 85 is arranged at the connection between the lower end of the lower positioning frame 84 and the base 2, the control panel 12, the control button 13, the charging port 16 and the motor 9 are electrically connected to the external power supply and the external controller, and are controlled by the external controller.

[0023] A hand-carrying groove 11 is disposed at the upper end of the housing 1 , and a waterproof groove 17 is disposed at the lower end of the hand-carrying groove 11 .

[0024] A cover 31 is disposed at the upper end of the replacement slot 3 , and a hinge 32 is disposed at the connection between the cover 31 and the housing 1 .

[0025] The replacement tank 3 is provided with an avoidance groove 33 at the lower end of the cover body 31 .

[0026] The oxygen cylinder 7 is arranged on the base 2 , and bolts 23 are arranged at the connection between the oxygen cylinder 7 and the base 2 .

[0027] A dust cover 15 is provided at the connection between the air inlet bin 4 and the casing 1 .

[0028] Silicone pads 21 are provided at the four corners of the lower end of the base 2 .

[0029] The reaction chamber 5 is arranged on the motor frame 8 , and a fixing seat 82 is arranged at the connection between the motor frame 8 and the reaction chamber 5 .

[0030] The working principle of the present application is as follows: when using the utility model, the utility model is first connected to a power source, the air inlet chamber 4 draws external air into the reaction chamber 5, the motor 9 is started and compresses the air, and when the compressed air enters the reaction chamber 5, the nitrogen has a strong adsorption capacity and is adsorbed in the attractant in the reaction chamber 5, while the oxygen is not adsorbed and enters the oxygen cylinder 7 through the connecting pipe 61, at which time the oxygen can be taken out by connecting the oxygen extraction port 14 to the external pipe; the pressure of the residual gas in the reaction chamber 5 is changed by the motor 9, and since the adsorbent has the characteristic that its adsorption amount changes with pressure, the pressure is changed so that the residual gas is desorbed and enters the waste barrel 6, and the above-mentioned adsorption and desorption process is repeated to obtain oxygen; when the motor 9 changes the pressure multiple times, a large amount of noise will be generated as its power changes, and when the motor 9 vibrates, part of the kinetic energy is absorbed by the buffer spring 85 under the lower positioning frame 84 to reduce its noise, and the residual noise passes through the motor partition frame 8 and is sound-absorbing and isolated by the sound insulation cotton 81.

[0031] The beneficial technical effects of implementing the present application are as follows: First, since the utility model is provided with a motor partition frame 8, sound insulation cotton 81, an upper positioning frame 83, a lower positioning frame 84 and a buffer spring 85, the utility model can first absorb most of the kinetic energy of the motor 9 during vibration through the buffer spring 85, and then the sound insulation cotton 81 absorbs the remaining small amount of noise, thereby avoiding excessive noise affecting the normal experience when the utility model is working; secondly, since the utility model is provided with an air inlet bin 4, a reaction bin 5, a waste barrel 6, an oxygen cylinder 7 and a motor partition frame 8, the utility model isolates the noise within the motor partition frame 8, prevents the noise from echoing or resonating in the casing 1, and improves the practicality of the utility model.

[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sound absorption and noise reduction device for an oxygen concentrator, comprising a housing (1), characterized in that: The lower end of the casing (1) is provided with a base (2), the lower end of the base (2) is provided with a heat dissipation port (22) in the center, the upper end of the casing (1) is provided with a control panel (12), the control panel (12) is provided with a control button (13), the left end of the casing (1) is provided with a replacement slot (3), a waste barrel (6) is provided in the replacement slot (3), an oxygen extraction port (14) is provided at the lower end of the replacement slot (3), the right end of the casing (1) is provided with a charging port (16), an air inlet bin (4) is provided at the upper end of the charging port (16), a reaction bin (5) is provided at the upper end of the air inlet bin (4), the waste barrel (6) and the oxygen barrel (7) are respectively provided at the upper and lower sides of the left end of the reaction bin (5), a connecting pipe (61) is provided at the connection between the waste barrel (6) and the oxygen barrel (7) and the reaction bin (5), and a motor partition (8) is provided at the lower end of the reaction bin (5); The outer end of the motor partition (8) is provided with sound insulation cotton (81), the motor (9) is provided inside the motor partition (8), the upper and lower ends of the motor (9) are respectively provided with an upper positioning frame (83) and a lower positioning frame (84), the upper positioning frame (83) is arranged on the motor partition (8), and a buffer spring (85) is arranged at the connection between the lower end of the lower positioning frame (84) and the base (2), the control panel (12), the control button (13), the charging port (16) and the motor (9) are electrically connected to an external power supply and an external controller, and are controlled by the external controller.

2. The sound absorption and noise reduction device for an oxygen concentrator according to claim 1, characterized in that: The upper end of the housing (1) is provided with a hand-carrying groove (11), and the lower end of the hand-carrying groove (11) is provided with a waterproof groove (17).

3. The sound absorption and noise reduction device for an oxygen concentrator according to claim 1, characterized in that: A cover body (31) is provided at the upper end of the replacement slot (3), and a hinge (32) is provided at the connection between the cover body (31) and the housing (1).

4. The sound absorption and noise reduction device for an oxygen concentrator according to claim 3, characterized in that: The replacement slot (3) is provided with a avoidance slot (33) at the lower end of the cover body (31).

5. The sound absorption and noise reduction device for an oxygen concentrator according to claim 1, characterized in that: The oxygen cylinder (7) is arranged on the base (2), and a bolt (23) is arranged at the connection between the oxygen cylinder (7) and the base (2).

6. The sound absorption and noise reduction device for an oxygen concentrator according to claim 1, characterized in that: A dust cover (15) is provided at the connection between the air inlet bin (4) and the casing (1).

7. The sound absorption and noise reduction device for an oxygen concentrator according to claim 1, characterized in that: Silicone pads (21) are arranged at the four corners of the lower end of the base (2).

8. The sound absorption and noise reduction device for an oxygen concentrator according to claim 1, characterized in that: The reaction chamber (5) is arranged on the motor frame (8), and a fixing seat (82) is arranged at the connection between the motor frame (8) and the reaction chamber (5).

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