Laboratory noise treatment device

Abstract

The utility model discloses a laboratory noise processing device which comprises a silencing box and a draught fan, the silencing box is composed of a silencing top plate, a supporting frame, a silencing ventilation plate, a silencing bottom plate and a protective door, the draught fan is installed on the inner side of the silencing box, the supporting frame is welded between the silencing top plate and the silencing bottom plate, the silencing ventilation plate is welded to the inner wall of the supporting frame, and the silencing ventilation plate is welded to the inner wall of the supporting frame. Ventilation round holes are evenly formed in the surface of the silencing ventilation plate, the number of the protective doors is two, a ventilation opening is formed in the center of one protective door, a silencing ventilation pipe is installed on the outer side surface, close to the ventilation opening, of the protective door through bolts, and the silencing ventilation pipe is composed of a protective cover, a silencing cotton layer and a PP air pipe. The noise reduction box is mounted on the surface of the fan, so that noise pollution to a laboratory caused by large noise generated by the fan is effectively reduced; and through the matching arrangement of the fan, the filter element and the protective net, air exchange is fresher after air conveyed after the fan is started is filtered by the filter element.

Description

TECHNICAL FIELD

[0001] The utility model relates to noise processing technical field, in particular to laboratory noise processing device. BACKGROUND

[0002] The personnel will produce toxic and harmful gas in the laboratory experiment process, in order to reduce the harm of toxic and harmful gas in the laboratory to the operator, the laboratory ventilation equipment will be opened in the experiment process to effectively exchange the inside and outside gas.

[0003] But the fan of laboratory starts after the noise is big, causes the laboratory noise pollution, and the air quality of fan direct delivery exchange is poor. SUMMARY

[0004] In order to overcome the insufficient of prior art, the utility model provides laboratory noise processing device.

[0005] To solve the above technical problem, the utility model provides the following technical scheme: laboratory noise processing device, including silencer, fan, the silencer is by silencer roof, support frame, silencer ventilation board, silencer bottom plate, protective door is formed, the inside silencer is installed with fan, the silencer roof is welded with support frame between silencer bottom plate, the inner wall of support frame is welded with silencer ventilation board, the surface of silencer ventilation board is evenly provided with ventilation round hole, the number of protective door is provided with two, wherein the center of one of protective door is provided with ventilation opening, the outside surface of protective door close to ventilation opening is installed with silencer ventilation pipe through bolt, the silencer ventilation pipe is by protective cover, silencer cotton layer, PP wind pipe is formed, the surface of silencer cotton layer, PP wind pipe is evenly provided with silencing hole, the outer surface of support frame is provided with thread groove, the protective door is fixedly installed on the outside of support frame through hexagon bolt, another protective door is fixedly installed on the front of silencer through second key bolt.

[0006] As a preferred technical scheme of the utility model, the outside of silencer close to support frame is welded with protective net, and the installation groove is formed between support frame and protective net, and the filter core is installed in the inside of installation groove.

[0007] As a preferred technical scheme of the utility model, the limit sliding block is fixedly arranged on the surface of both sides of the top end and the bottom end of filter core in a symmetrical mode, the corresponding U-shaped sliding rail is fixedly arranged on the inner wall of the outside of support frame and protective net, and one end of limit sliding block is located in the inside of U-shaped sliding rail.

[0008] As a preferred technical scheme of the utility model, the threaded hole is formed on the surface of one side of the top end and the bottom end of filter core, the first key bolt is installed in the inside of threaded hole, and one end of first key bolt extends to the surface of one side of filter core through threaded hole.

[0009] As a preferred technical scheme of the utility model, the filter core one side surface is fixedly provided with a handle.

[0010] As a preferred technical scheme of the utility model, the sound insulation bottom plate bottom end is symmetrically welded with a mounting guide rail, and the mounting guide rail two end surfaces are provided with reserved mounting holes.

[0011] Compared with the prior art, the utility model can achieve the beneficial effects that:

[0012] 1. The sound insulation box is installed on the surface of the fan, effectively reducing the noise pollution caused by the large noise generated by the fan to the laboratory; through the collocation of the fan, the filter core and the protective net, the air exchanged after the air conveyed by the fan after being filtered by the filter core is fresher;

[0013] 2. Through the collocation of the U-shaped slide rail and the limiting slide block, the filter core is more convenient to disassemble, replace and assemble; through the collocation of the first plum-blossom hand screw bolt and the threaded hole, the filter core is conveniently limited and installed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structure schematic diagram of the utility model.

[0015] Figure 2 It is a whole front structure schematic diagram of the utility model.

[0016] Figure 3 It is a wind pipe section structure schematic diagram of the utility model.

[0017] Among them: 1, sound insulation box;2, fan;3, sound insulation top plate;4, support frame;5, sound insulation ventilation plate;6, filter core;7, sound insulation bottom plate;8, mounting groove;9, protective net;10, first plum-blossom hand screw bolt;11, U-shaped slide rail;12, limiting slide block;13, threaded groove;14, mounting guide rail;15, protective door;16, second plum-blossom hand screw bolt;17, sound insulation ventilation pipe;18, protective cover;19, sound insulation cotton layer;20, PP wind pipe;21, sound insulation hole. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor all belong to the protection scope of the utility model.

[0019] Embodiment, please refer to Figure 1 、 Figure 2 ,Figure 3 As shown, this utility model provides a laboratory noise treatment device, including a silencing box 1 and a fan 2. The silencing box 1 consists of a silencing top plate 3, a support frame 4, a silencing ventilation plate 5, a silencing bottom plate 7, and a protective door 15. The fan 2 is installed inside the silencing box 1. The support frame 4 is welded between the silencing top plate 3 and the silencing bottom plate 7. The silencing ventilation plate 5 is welded to the inner wall of the support frame 4. Ventilation holes are evenly distributed on the surface of the silencing ventilation plate 5. Two protective doors 15 are provided, one of which has a ventilation opening at its center. The outer side of the protective door 15 is near the ventilation opening. A sound-absorbing ventilation duct 17 is bolted to the surface of the fan 2. The sound-absorbing ventilation duct 17 consists of a protective cover 18, a sound-absorbing cotton layer 19, and a PP air duct 20. Sound-absorbing holes 21 are evenly opened on the surface of the sound-absorbing cotton layer 19 and the PP air duct 20. The outer surface of the support frame 4 is provided with threaded grooves 13. The protective door 15 is fixedly installed on the outside of the support frame 4 with hexagonal bolts. Another protective door 15 is fixedly installed on the front of the sound-absorbing box 1 with a second plum blossom hand-tightening bolt 16. By installing the sound-absorbing box 1 on the surface of the fan 2, the noise pollution caused by the large noise generated by the fan 2 to the laboratory is effectively reduced.

[0020] like Figure 1 As shown, a protective net 9 is welded to the outside of the silencer box 1 near the support frame 4. An installation groove 8 is formed between the support frame 4 and the protective net 9. A filter element 6 is installed inside the installation groove 8. Through the combination of the fan 2, the filter element 6, and the protective net 9, the air delivered by the fan 2 after starting is more refreshing after being filtered by the filter element 6.

[0021] like Figure 1 As shown, limit sliders 12 are symmetrically fixed on both sides of the top and bottom of the filter element 6. A corresponding U-shaped slide rail 11 is fixed on the outer side of the support frame 4 and the inner wall of the protective net 9. One end of the limit slider 12 is located inside the U-shaped slide rail 11. The combination of the U-shaped slide rail 11 and the limit slider 12 makes it easier to disassemble and replace the filter element 6.

[0022] like Figure 1 As shown, threaded holes are provided on one side of the top and bottom ends of the filter element 6. A first pendulum hand-tightening bolt 10 is installed inside the threaded hole. One end of the first pendulum hand-tightening bolt 10 extends through the threaded hole to one side of the filter element 6. The matching of the first pendulum hand-tightening bolt 10 and the threaded hole facilitates the limited installation of the filter element 6.

[0023] like Figure 2 As shown, a handle is fixedly provided on one side surface of the filter element 6; by providing a handle on one side surface of the filter element 6, the filter element 6 can be installed and removed more flexibly.

[0024] like Figure 1As shown, the mounting guide rails 14 are symmetrically welded at the bottom end of the sound attenuation bottom plate 7, and the surfaces at both ends of the mounting guide rails 14 are provided with reserved mounting holes; by symmetrically welding the mounting guide rails 14 at the bottom end of the sound attenuation bottom plate 7, the sound attenuation box 1 is conveniently limited and installed at a specified position.

[0025] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. Laboratory noise treatment device, comprising a soundproof box (1), a fan (2), characterized in that: The soundproof box (1) is composed of a soundproof top plate (3), a support frame (4), a soundproof ventilation plate (5), a soundproof bottom plate (7), and a protective door (15). The soundproof box (1) is internally provided with a fan (2). The soundproof top plate (3) and the soundproof bottom plate (7) are welded with the support frame (4). The inner wall of the support frame (4) is welded with the soundproof ventilation plate (5). The surface of the soundproof ventilation plate (5) is uniformly provided with ventilation round holes. The protective door (15) is provided with two pieces. The center of one of the protective doors (15) is provided with a ventilation opening. The outer surface of the protective door (15) close to the ventilation opening is provided with a soundproof ventilation pipe (17) through bolts. The soundproof ventilation pipe (17) is composed of a protective cover (18), a soundproof cotton layer (19), and a PP air pipe (20). The surface of the soundproof cotton layer (19) and the PP air pipe (20) is uniformly provided with soundproof holes (21). The outer surface of the support frame (4) is provided with a threaded groove (13). The protective door (15) is fixedly installed on the outer side of the support frame (4) through hexagonal bolts. The other protective door (15) is fixedly installed on the front of the soundproof box (1) through a second hexagonal hand screw bolt (16).

2. The laboratory noise treatment apparatus of claim 1, wherein: The outer side of the soundproof box (1) close to the support frame (4) is welded with a protective net (9). The support frame (4) and the protective net (9) form an installation groove (8). The installation groove (8) is internally provided with a filter core (6).

3. The laboratory noise treatment apparatus of claim 2, wherein: The top end and the bottom end of the filter core (6) are symmetrically provided with limiting sliding blocks (12) on the two side surfaces. The outer side of the support frame (4) and the inner wall of the protective net (9) are fixedly provided with corresponding U-shaped sliding rails (11). One end of the limiting sliding block (12) is located in the inner side of the U-shaped sliding rail (11).

4. The laboratory noise treatment apparatus of claim 2, wherein: The top end and the bottom end of the filter core (6) are symmetrically provided with limiting sliding blocks (12) on the two side surfaces. The outer side of the support frame (4) and the inner wall of the protective net (9) are fixedly provided with corresponding U-shaped sliding rails (11). One end of the limiting sliding block (12) is located in the inner side of the U-shaped sliding rail (11).

5. The laboratory noise treatment apparatus of claim 2, wherein: The top end and the bottom end of the filter core (6) are symmetrically provided with limiting sliding blocks (12) on the two side surfaces. The outer side of the support frame (4) and the inner wall of the protective net (9) are fixedly provided with corresponding U-shaped sliding rails (11). One end of the limiting sliding block (12) is located in the inner side of the U-shaped sliding rail (11).

6. The laboratory noise treatment apparatus of claim 1, wherein: The top end and the bottom end of the filter core (6) are symmetrically provided with limiting sliding blocks (12) on the two side surfaces. The outer side of the support frame (4) and the inner wall of the protective net (9) are fixedly provided with corresponding U-shaped sliding rails (11). One end of the limiting sliding block (12) is located in the inner side of the U-shaped sliding rail (11). The top end and the bottom end of the filter core (6) are symmetrically provided with limiting sliding blocks (12) on the two side surfaces. The outer side of the support frame (4) and the inner wall of the protective net (9) are fixedly provided with corresponding U-shaped sliding rails (11). One end of the limiting sliding block (12) is located in the inner side of the U-shaped sliding rail (11). The top end and the bottom end of the filter core (6) are symmetrically provided with limiting sliding blocks (12) on the two side surfaces. The outer side of the support frame (4) and the inner wall of the protective net (9) are fixedly provided with corresponding U-shaped sliding rails (11). One end of the limiting sliding block (12) is located in the inner side of the U-shaped sliding rail (11).

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