CN216965724U

CN216965724U - Noise-reduction mute type ventilation cabinet

Info

Publication number: CN216965724U
Application number: CN202121704876.6U
Authority: CN
Inventors: 张益斌
Original assignee: Yixing Jiamei Experiment Equipment Co ltd
Current assignee: Yixing Jiamei Experiment Equipment Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-07-15
Anticipated expiration: 2031-07-26

Abstract

The utility model relates to the technical field of fume hood equipment, in particular to a noise-reduction mute-type fume hood which comprises a first cabinet body, a second cabinet body and an exhaust module, wherein the first cabinet body is fixedly installed at the top of the second cabinet body, a cavity is formed in the top end of the first cabinet body, the exhaust module is fixedly installed in the cavity, and noise reduction devices are fixedly installed on the inner walls of the periphery of the cavity. The utility model has the advantages that the three noise-reducing and sound-absorbing layers are arranged, and the noise generated by the rotation of the fan of the ventilation cabinet can be effectively absorbed.

Description

Noise-reduction mute type ventilation cabinet

Technical Field

The utility model relates to the technical field of fume hood equipment, in particular to a noise-reduction mute-type fume hood.

Background

The typical structure of the fume hood is a small part paint spraying cabinet, a chemical laboratory fume hood and the like, the fume hood mainly uses a local air exhaust mode to directly remove pollutants from a pollutant source, pollutants can be generated at fixed points of a chemical test bed, and therefore the fume hood is usually used in a chemical laboratory. The fan of fume chamber can produce great noise usually in the course of the work, and the noise not only can influence operating personnel's experimental operation, also can influence the experimental result.

At present, a chinese patent with publication number CN211757495U discloses a noise-reduction and sterilization fume hood, which comprises a fume hood main body, a sterilization filter and an exhaust duct, a bottom cabinet is arranged at the lower part of the fume hood main body, an operating platform is arranged at the upper end of the bottom cabinet, a water discharge groove is arranged at one corner of the operating platform close to the back surface, the middle of the base surface of the main body of the fume hood is provided with a lifting window, one side of the base surface of the main body of the fume hood close to the lifting window is provided with an electric control panel, an air supply opening is arranged at the upper part of the basal plane of the main body of the fume hood, an exhaust fan is arranged in the middle of the upper end of the main body of the fume hood, the upper end of the inside of the fume hood main body, which is close to the exhaust fan, is provided with a lighting lamp, the upper end of the exhaust fan is provided with an exhaust pipeline, be equipped with sterilization filter between exhaust fan and the exhaust pipe, exhaust fan and exhaust pipe outside all are equipped with the ear seat, sterilization filter comprises left semicircle fixer and right semicircle fixer.

The above prior art solution has the following drawbacks: noise reduction is carried out only by arranging soundproof cotton in the noise reduction interlayer, and the noise reduction effect is insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a noise-reduction mute type fume hood, which solves the problems in the prior art.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a quiet type fume chamber of making an uproar falls, includes the first cabinet body, the second cabinet body and the module of airing exhaust, the first cabinet body fixed mounting be in the top of the second cabinet body, the top of the first cabinet body is provided with the cavity, the module fixed mounting of airing exhaust be in the inside of cavity, the inner wall fixed mounting all around of cavity has the device of making an uproar of falling.

In a further embodiment, the device of making an uproar falls including inhaling sound sponge, abatvoix and syllable-dividing plywood, inhale one side of sound sponge with the inner wall fixed connection of cavity, the opposite side fixed mounting who inhales the sound sponge have the plywood that gives sound insulation, abatvoix fixed mounting in give sound the plywood not with inhale one side that the sound sponge is connected.

In a further embodiment, the abatvoix comprises a plurality of sound absorption blocks, inhale the sound block and be provided with a plurality of bosss, be provided with the recess between the boss.

In a further embodiment, the exhaust module comprises a top cover and a fan, and an exhaust outlet is arranged at the top end of the top cover.

In a further embodiment, a lighting lamp is arranged at the top end of the first cabinet, a lifting glass door is arranged at the front end of the first cabinet, a control panel is arranged on the right side of the lifting glass door, and the control panel is used for controlling the on and off of a main power supply, the lighting lamp and the air exhaust module.

In a further embodiment, a water tank is arranged at the top end of the second cabinet body, a water inlet pipe is arranged at the upper end of the water tank, a plurality of storage cabinets are arranged at the bottom end of the second cabinet body, and partition plates are arranged among the storage cabinets.

In a further embodiment, the first cabinet body and the second cabinet body are manufactured and assembled by PP plates with the thickness of 8-12mm, and a sealing cover is arranged at the top end of the first cabinet body.

In conclusion, the utility model has the following beneficial effects:

1. the noise reduction device 5 comprises a sound absorption sponge 51, a sound absorption plate 52 and a sound insulation laminate 53, one side of the sound absorption sponge 51 is fixedly connected with the inner wall of the cavity 4, the other side of the sound absorption sponge 51 is fixedly provided with the sound insulation laminate 53, the sound absorption plate 52 is fixedly arranged on the side, not connected with the sound absorption sponge 51, of the sound insulation laminate 53, most of noise can be absorbed and reflected by the sound absorption plate 52, the sound insulation laminate 53 isolates part of noise, at last, a small part of noise is absorbed by the sound absorption sponge 51, and the three-layer sound absorption arrangement ensures that the noise of the fan cannot be transmitted from the inner cavity;

2. the lighting lamp 11 is arranged at the top end of the first cabinet body 1, the lifting glass door 12 is arranged at the front end of the first cabinet body 1, the control panel 13 is arranged on the right side of the lifting glass door 12, and the control panel 13 is used for controlling the setting of a main power supply, the lighting lamp 11 and the air exhaust module 3, so that the effect of controlling all components of the equipment in a centralized manner by the control panel can be achieved;

3. Through the arrangement that the first cabinet body 1 and the second cabinet body 2 are made and assembled by PP plates with the thickness of 8-12mm, the acid and alkali resistance of the ventilating hood can be enhanced, and the application place compatibility of the ventilating hood is improved.

Drawings

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

FIG. 2 is a schematic diagram of an overall structure for embodying a noise reducing device in the present invention;

fig. 3 is a schematic plan view of the ventilation module of the present invention.

In the figure, 1, a first cabinet; 11. a lighting fixture; 12. a lift glass door; 13. a control panel; 2. a second cabinet; 21. a water tank; 22. a water inlet pipe; 23. a storage cabinet; 3. an air exhaust module; 31. a top cover; 32. a fan; 4. a cavity; 5. a noise reduction device; 51. sound-absorbing sponge; 52. a sound-absorbing panel; 53. a sound insulation laminate; 6. a sound absorbing block; 7. a boss; 8. an air outlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in fig. 1, the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from a particular component geometry, respectively, and the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present specification, "plurality" means two or more unless the direction of the center is specifically defined otherwise.

Example 1:

as shown in fig. 1-3, a noise-reducing and silencing type fume hood includes a first hood body 1, a second hood body 2 and an exhaust module 3. The first cabinet body 1 and the second cabinet body 2 are made and assembled by PP plates with the thickness of 8-12 mm. The PP fume hood mainly has high requirements on environment in a dust-free room, and the PP material has excellent acid resistance, so that compared with an all-steel fume hood, the excellent acid and alkali resistance can be used for acid and alkali experiments with higher strength, which cannot be replaced by the all-steel fume hood. The PP ventilation cabinet can be applied to high-end places such as high-strength acid-base experiments, purification rooms and the like.

The effect of the first cabinet body 1 is as the fume hood, and 1 fixed mounting of the first cabinet body is at the top of 2 of the second cabinet body, and the top of the first cabinet body is provided with the closing cap, and the top of the first cabinet body 1 is provided with

cavity

4, and 3 fixed mounting of the module of airing exhaust is in the inside of cavity 4, and the module of airing exhaust 3 includes top shroud 31 and fan 32, and the top of top shroud 31 is provided with air exit 8. The inner wall all around of cavity 4 is fixed with and falls the device 5 of making an uproar, falls the device 5 of making an uproar and is used for absorbing the noise that fan 32 produced. The noise reduction device 5 comprises a sound absorption sponge 51, a sound absorption plate 52 and a sound insulation laminate 53, one side of the sound absorption sponge 51 is fixedly connected with the inner wall of the cavity 4, the other side of the sound absorption sponge 51 is fixedly provided with the sound insulation laminate 53, and the sound absorption sponge 51 is used for absorbing a small part of noise passing through the sound insulation laminate 53; the sound-absorbing plate 52 is fixedly mounted on the side of the sound-absorbing laminate 53 not connected to the sound-absorbing sponge 51. The sound-absorbing panel 52 serves to absorb most of the noise from the fan 32, and the sound-insulating laminate 53 serves to block noise that is not completely absorbed by the sound-absorbing panel 52. The sound absorbing plate 52 is composed of a plurality of sound absorbing blocks 6, the sound absorbing blocks 6 are provided with a plurality of bosses 7, and grooves are formed between the bosses 7, so that the sound absorbing plate can be set to achieve the effect of eliminating noise by rebounding and offsetting sound waves.

The top of the first cabinet body 1 is provided with an illuminating lamp 11, and the operating table top is irradiated by the illuminating lamp 11, so that the experiment and observation of experimenters are facilitated. The front end of the first cabinet body 1 is provided with a lifting glass door 12, the lifting glass door 12 is used for separating external bacterial pollution and facilitating observation and experiment of operators, the right side of the lifting glass door 12 is provided with a control panel 13, and the control panel 13 is used for controlling a main power supply, an illuminating lamp 11 and an air exhaust module 3 to be switched on and off, so that each component of the centralized control equipment is realized. The top of the second cabinet body 2 is provided with basin 21, and the upper end of basin 21 is provided with inlet tube 22, and the bottom of the second cabinet body 2 is provided with a plurality of

lockers

23, and 23 cabinet door hinges of locker adopt the black plastics hinge, and corrosion resisting property is good, and the cabinet door handle adopts homogeneous C type PP handle. Partitions are provided between the cabinets 23.

The specific implementation process comprises the following steps: when using this ventilation cabinet, operating personnel opens the total power through control panel 13, then raises lift glass door 12 and carry out experimental operation, descends lift glass door 12 afterwards, and opens illumination lamps and lanterns 11 and carry out the observation of experimental phenomenon, when experimental reaction generates waste gas, open the fan 32 of airing exhaust module 3 through control panel 13, fan 32 will react the exhaust of the waste gas that generates through the air exit 8 on top of top shroud 31, and the noise of fan 32 rotation in-process can be absorbed by noise reduction device 5.

In the embodiments of the present disclosure, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the disclosed embodiments of the utility model can be understood by those of ordinary skill in the art as appropriate.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a mute form fume chamber of making an uproar falls, includes first cabinet body (1), the second cabinet body (2) and exhaust module (3), its characterized in that: the utility model discloses a cabinet, including the first cabinet body, the second cabinet body, the first cabinet body is characterized in that first cabinet body (1) fixed mounting be in the top of the second cabinet body (2), the top of the first cabinet body (1) is provided with cavity (4), exhaust module (3) fixed mounting be in the inside of cavity (4), inner wall fixed mounting all around of cavity (4) falls device of making an uproar (5).

2. A noise reducing quiet type fume chamber according to claim 1, wherein: noise reduction device (5) including inhaling sound sponge (51), abatvoix (52) and syllable-dividing plywood (53), inhale one side of sound sponge (51) with the inner wall fixed connection of cavity (4), the opposite side fixed mounting who inhales sound sponge (51) has syllable-dividing plywood (53), abatvoix (52) fixed mounting be in syllable-dividing plywood (53) not with inhale one side that sound sponge (51) is connected.

3. A noise reducing quiet type fume chamber according to claim 2, wherein: the sound absorption plate (52) is composed of a plurality of sound absorption blocks (6), a plurality of bosses (7) are arranged on the sound absorption blocks (6), and grooves are formed among the bosses (7).

4. A noise reducing quiet type fume chamber according to claim 1, wherein: the exhaust module (3) comprises a top cover (31) and a fan (32), and an exhaust outlet (8) is formed in the top end of the top cover (31).

5. A noise reducing quiet type fume chamber according to claim 1, wherein: the top of the first cabinet body (1) is provided with an illuminating lamp (11), the front end of the first cabinet body (1) is provided with a lifting glass door (12), the right side of the lifting glass door (12) is provided with a control panel (13), and the control panel (13) is used for controlling the on and off of a main power supply, the illuminating lamp (11) and the air exhaust module (3).

6. A noise reducing quiet type fume chamber according to claim 1, wherein: the water storage cabinet is characterized in that a water tank (21) is arranged at the top end of the second cabinet body (2), a water inlet pipe (22) is arranged at the upper end of the water tank (21), a plurality of storage cabinets (23) are arranged at the bottom end of the second cabinet body (2), and partition plates are arranged among the storage cabinets (23).

7. A noise reducing quiet type ventilation cabinet according to any one of claims 1 to 6, wherein: the first cabinet body (1) and the second cabinet body (2) are made and assembled by PP plates with the thickness of 8-12mm, and the top end of the first cabinet body (1) is provided with a sealing cover.