CN213807980U

CN213807980U - Noise reduction device of oxygenerator

Info

Publication number: CN213807980U
Application number: CN202022413261.XU
Authority: CN
Inventors: 于文莹; 刘洪森; 曹畅秋
Original assignee: YINGKOU YINGCHENG ELECTRONIC EQUIPMENT CO Ltd
Current assignee: Yingkou Guangtai Electronic Equipment Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-27
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a device of making an uproar falls in oxygenerator, including the sound-proof box, the sound-proof box inner wall apex angle is fixed to be bonded and has first amortization sponge, the first shock attenuation piece of sound-proof box inner wall fixedly connected with, the inside air compressor that is equipped with of sound-proof box, air compressor surface fixed mounting has the semiconductor refrigeration piece, air compressor surface fixed connection has the second shock attenuation piece, be equipped with between first shock attenuation piece and the second shock attenuation piece and support buffer spring. The utility model discloses a be equipped with the acoustical panel of coiled form, acoustical panel surface fixed connection has second amortization sponge, and second amortization sponge cross sectional shape sets up to the cockscomb structure, outwards propagates the produced noise of air compressor work along the amortization passageway, absorbs by second amortization sponge in proper order at the transmission in-process, and remaining a small amount of noise is absorbed by first amortization sponge, and the airtight environment of sound-proof box can be effectively the biography of separation noise, and whole noise reduction effect is better.

Description

Noise reduction device of oxygenerator

Technical Field

The utility model relates to an oxygenerator technical field, concretely relates to device of making an uproar falls in oxygenerator.

Background

Modern people have fast pace of life, the brain and physical strength are greatly consumed, the brain is in a high-tension state for a long time, the brain is extremely easy to have oxygen deficiency, various uncomfortable symptoms such as dizziness and chest distress appear, pregnant women and respiratory disease patients, the auxiliary treatment effect of oxygen inhalation is more important, therefore, the oxygen generator also gradually enters ordinary families, has irreplaceable important effect and wide development prospect on oxygen therapy and oxygen health care, the life quality of people is improved, the health is brought to the people with oxygen deficiency, the working principle of the household oxygen generator is that a molecular sieve physical adsorption and desorption technology is utilized, a molecular sieve is filled in the oxygen generator, nitrogen in the air can be adsorbed during pressurization, the residual unabsorbed oxygen is collected and becomes high-purity oxygen after purification treatment, the oxygen generation effect is achieved, and the common noise level of the household oxygen generator is 50-55 decibels, although the national standard is lower than 60 decibels, the noise of 50-55 decibels of the oxygen generator has a serious influence on the treatment effect of a patient in actual use and is one of factors influencing the purchase desire of the patient at present, so that the reduction of the noise of the household oxygen generator is important content for improving the comfort of the household oxygen generator, and the noise source of the oxygen generator is mainly mechanical noise generated when the air compressor works.

For reducing air compressor's noise among the prior art, generally adopt to set up the sound-proof box in air compressor's outside, but current sound-proof box still has the smooth and relatively poor problem of noise reduction effect that gives sound insulation of heat dissipation.

Therefore, it is necessary to invent a noise reduction device of an oxygen generator to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a noise reduction device of an oxygen generator, a coiled sound-absorbing plate is arranged, a second sound-absorbing sponge is fixedly connected with the outer surface of the sound-absorbing plate, the cross section of the second sound-absorbing sponge is in a zigzag shape, the noise generated by the work of an air compressor is spread outwards along a sound-absorbing channel, the second silencing sponge absorbs most of the noise, the rest small amount of noise is absorbed by the first silencing sponge, the closed environment of the sound-proof box can effectively obstruct the outward transmission of the noise and reduce the influence of the noise on the environment, the damping layer is arranged to avoid low-frequency resonance, and the supporting buffer spring supports the sound-proof plate and the air compressor, and the air compressor is buffered and damped, so that the noise is reduced, and the defects in the technology are overcome.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an oxygenerator noise reduction device, includes the sound-proof box, sound-proof box inner wall apex angle is fixed to bond and is had first amortization sponge, the first shock attenuation piece of sound-proof box inner wall fixedly connected with, the inside air compressor that is equipped with of sound-proof box, air compressor surface fixed mounting has the semiconductor refrigeration piece, air compressor surface fixed connection has the second shock attenuation piece, be equipped with between first shock attenuation piece and the second shock attenuation piece and support buffer spring, support buffer spring both ends respectively with first shock attenuation piece and second shock attenuation piece fixed connection, be equipped with the acoustical panel between sound-proof box inner wall and the air compressor, acoustical panel and support buffer spring fixed connection, acoustical panel surface fixed connection has second amortization sponge, the acoustical panel sets up to the formula of coiling, the acoustical panel coils and forms the amortization passageway.

Preferably, the sound insulation box consists of a supporting layer, a damping layer and a sound absorption layer from outside to inside in sequence.

Preferably, the sound-absorbing plate consists of a supporting layer and a damping layer, and the damping layer is fixedly connected to the top and the bottom of the supporting layer.

Preferably, the supporting layer is made of galvanized steel plate material, the damping layer is made of butyl rubber material, and the sound absorption layer is made of foamed plastic material.

Preferably, the bottom of the sound insulation box is provided with a base, the top of the base is fixedly connected with a rubber pad, a damping spring is arranged between the sound insulation box and the rubber pad, and two ends of the damping spring are respectively fixedly connected with the sound insulation box and the rubber pad.

Preferably, the cross-sectional shape of the first silencing sponge is zigzag, the cross-sectional shape of the second silencing sponge is zigzag, the first damping piece and the second damping piece are made of rubber materials, and the number of the supporting buffer springs is six.

In the technical scheme, the utility model provides a technological effect and advantage:

the coiled sound-absorbing board is arranged, the outer surface of the sound-absorbing board is fixedly connected with a second sound-absorbing sponge, the cross section of the second sound-absorbing sponge is in a sawtooth shape, noise generated by the work of an air compressor is spread outwards along a sound-absorbing channel, the noise is sequentially absorbed by the second sound-absorbing sponge in the spreading process and repeatedly swings back when being spread in the sound-absorbing channel, the second sound-absorbing sponge absorbs most of the noise, the rest of the noise is absorbed by the first sound-absorbing sponge, the closed environment of the sound-insulating box can effectively block the outward transmission of the noise, the influence of the noise on the environment is reduced, the overall noise reduction effect is good, the damping layer is arranged to avoid low-frequency resonance, the support buffer spring supports the sound-absorbing board and the air compressor, and the air compressor performs buffer shock absorption, the noise reduction is facilitated, the sound-absorbing channel is simultaneously facilitated for the heat dissipation of the, guarantee air compressor normal operating, be equipped with damping spring between sound-proof box and the base, can cushion sound-proof box's vibrations.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the overall structure of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a sectional view of the sound-proof box of the present invention;

fig. 5 is a sectional view of the sound-absorbing plate of the present invention.

Description of reference numerals:

1. a sound insulation box; 2. a first sound-deadening sponge; 3. a first damper sheet; 4. an air compressor; 5. a semiconductor refrigeration sheet; 6. a second damping piece; 7. supporting the buffer spring; 8. a sound-absorbing panel; 9. a second sound-deadening sponge; 10. a sound deadening passage; 11. a support layer; 12. a damping layer; 13. a sound absorbing layer; 14. a base; 15. a rubber pad; 16. a shock absorbing spring.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides an oxygenerator noise reduction device as shown in figures 1-5, which comprises a sound insulation box 1, wherein a first silencing sponge 2 is fixedly bonded on the top corner of the inner wall of the sound insulation box 1, a first damping sheet 3 is fixedly connected on the inner wall of the sound insulation box 1, an air compressor 4 is arranged in the sound insulation box 1, a semiconductor refrigerating sheet 5 is fixedly arranged on the outer surface of the air compressor 4, a second damping sheet 6 is fixedly connected on the outer surface of the air compressor 4, a supporting buffer spring 7 is arranged between the first damping sheet 3 and the second damping sheet 6, two ends of the supporting buffer spring 7 are respectively fixedly connected with the first damping sheet 3 and the second damping sheet 6, a silencing plate 8 is arranged between the inner wall of the sound insulation box 1 and the air compressor 4, the silencing plate 8 is fixedly connected with the supporting buffer spring 7, a second silencing sponge 9 is fixedly connected on the outer surface of the silencing plate 8, the silencing plate 8 is arranged in a coiled mode, the silencing plate 8 is coiled to form a silencing passage 10, when the silencing plate is used, noise generated by the working of the air compressor 4 is outwards transmitted along the silencing passage 10, is sequentially absorbed by the second silencing sponge 9 in the transmission process, and repeatedly swings back and forth when being transmitted in the silencing passage 10, most of the noise is absorbed by the second silencing sponge 9, when the rest of the noise is transmitted to the outside of the silencing plate 8, the noise is absorbed by the first silencing sponge 2, and finally the noise is intercepted inside the sound insulation box 1 by the sound insulation box 1, the closed environment of the sound insulation box 1 can effectively obstruct the outward transmission of the noise, the influence of the noise on the environment is reduced, the supporting buffer springs 7 support the silencing plate 8 and the air compressor 4, and buffer and absorb the shock of the air compressor 4, the noise is reduced, the silencing passage 10 is favorable for the heat dissipation of the air compressor 4, the semiconductor refrigerating sheet 5 can effectively reduce the temperature inside the sound insulation box 1, and the normal operation of the air compressor 4 is ensured.

Further, in the above technical scheme, the soundproof box 1 is composed of the supporting layer 11, the damping layer 12 and the sound absorption layer 13 from outside to inside in sequence, the damping layer 12 is favorable for avoiding low-frequency resonance, and the sound absorption layer 13 is favorable for absorbing noise and reducing noise transmission.

Further, in the above technical solution, the sound-absorbing plate 8 is composed of a supporting layer 11 and a damping layer 12, the damping layer 12 is fixedly connected to the top and the bottom of the supporting layer 11, and the damping layer 12 is favorable for avoiding low-frequency resonance.

Further, in the above technical solution, the supporting layer 11 is made of a galvanized steel sheet material, the damping layer 12 is made of a butyl rubber material, the sound absorbing layer 13 is made of a foamed plastic material, the damping layer 12 is favorable for avoiding low-frequency resonance, and the sound absorbing layer 13 is favorable for absorbing noise and reducing noise transmission.

Further, in above-mentioned technical scheme, sound insulation box 1 bottom is equipped with base 14, base 14 top fixedly connected with rubber pad 15, be equipped with damping spring 16 between sound insulation box 1 and the rubber pad 15, damping spring 16 both ends respectively with sound insulation box 1 and rubber pad 15 fixed connection, be equipped with damping spring 16 and rubber pad 15 between sound insulation box 1 and the base 14, can cushion sound insulation box 1's vibrations.

Further, in the above technical solution, the cross-sectional shape of the first silencing sponge 2 is zigzag, the cross-sectional shape of the second silencing sponge 9 is zigzag, the first damping piece 3 and the second damping piece 6 are both made of rubber material, the number of the supporting buffer springs 7 is six, when in use, noise generated by the operation of the air compressor 4 is transmitted outwards along the silencing passage 10, and is sequentially absorbed by the second silencing sponge 9 during the transmission process, and is repeatedly oscillated back during the transmission in the silencing passage 10, the second silencing sponge 9 absorbs most of the noise, when the remaining small part of the noise is transmitted to the outside of the silencing plate 8, the noise is absorbed by the first silencing sponge 2, which is beneficial to absorbing a large amount of noise and reducing the influence on the environment, the first damping piece 3 and the second damping piece 6 support the buffer springs 7 to be beneficial to buffer and damp the air compressor 4, noise generation is reduced.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when the air compressor noise reduction box is used, noise generated by the operation of the air compressor 4 is transmitted outwards along the silencing passage 10, the noise is sequentially absorbed by the second silencing sponge 9 in the transmission process, and repeatedly swings back when being transmitted in the silencing passage 10, most of the noise is absorbed by the second silencing sponge 9, when the rest of the noise is transmitted to the outside of the silencing plate 8, the noise is absorbed by the first silencing sponge 2, and finally the noise is intercepted inside the silencing box 1 by the silencing box 1, the closed environment of the silencing box 1 can effectively obstruct the outward transmission of the noise, the influence of the noise on the environment is reduced, the damping layer 12 is favorable for avoiding low-frequency resonance, the supporting buffer springs 7 are used for supporting the silencing plate 8 and the air compressor 4 and carrying out buffer shock absorption on the air compressor 4, the noise is reduced, the silencing passage 10 is favorable for the heat dissipation of the compressor air 4, semiconductor refrigeration piece 5 can effectively reduce the inside temperature of sound-proof box 1, guarantees air compressor 4 normal operating, is equipped with damping spring 16 between sound-proof box 1 and the base 14, can cushion sound-proof box 1's vibrations.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a device of making an uproar falls in oxygenerator, includes sound-proof box (1), its characterized in that: the sound insulation box is characterized in that a first silencing sponge (2) is fixedly bonded at the inner wall vertex angle of the sound insulation box (1), a first damping sheet (3) is fixedly connected to the inner wall of the sound insulation box (1), an air compressor (4) is arranged inside the sound insulation box (1), a semiconductor refrigerating sheet (5) is fixedly mounted on the outer surface of the air compressor (4), a second damping sheet (6) is fixedly connected to the outer surface of the air compressor (4), a supporting buffer spring (7) is arranged between the first damping sheet (3) and the second damping sheet (6), two ends of the supporting buffer spring (7) are fixedly connected with the first damping sheet (3) and the second damping sheet (6) respectively, a silencing plate (8) is arranged between the inner wall of the sound insulation box (1) and the air compressor (4), the silencing plate (8) is fixedly connected with the supporting buffer spring (7), and a second silencing sponge (9) is fixedly connected to the outer surface of the silencing plate (8), the silencing plate (8) is arranged in a coiled mode, and the silencing plate (8) is coiled to form a silencing channel (10).

2. The oxygenator noise reducing device of claim 1, wherein: the sound insulation box (1) is composed of a supporting layer (11), a damping layer (12) and a sound absorption layer (13) from outside to inside in sequence.

3. The oxygenator noise reducing device of claim 2, wherein: the sound-absorbing plate (8) is composed of a supporting layer (11) and a damping layer (12), and the damping layer (12) is fixedly connected to the top and the bottom of the supporting layer (11).

4. The oxygenator noise reducing device of claim 3, wherein: the supporting layer (11) is made of galvanized steel sheet materials, the damping layer (12) is made of butyl rubber materials, and the sound absorption layer (13) is made of foamed plastic materials.

5. The oxygenator noise reducing device of claim 1, wherein: the soundproof box is characterized in that a base (14) is arranged at the bottom of the soundproof box (1), a rubber pad (15) is fixedly connected to the top of the base (14), a damping spring (16) is arranged between the soundproof box (1) and the rubber pad (15), and two ends of the damping spring (16) are fixedly connected with the soundproof box (1) and the rubber pad (15) respectively.

6. The oxygenator noise reducing device of claim 1, wherein: the cross-sectional shape of the first silencing sponge (2) is set to be a sawtooth shape, the cross-sectional shape of the second silencing sponge (9) is set to be a sawtooth shape, the first damping sheet (3) and the second damping sheet (6) are made of rubber materials, and the number of the supporting buffer springs (7) is set to be six.