Ventilation structure for acoustic laboratory

Abstract

The utility model discloses a ventilation structure for an acoustic laboratory, and relates to the technical field of acoustic testing. The filter comprises a body and a rectangular groove formed in the body, wherein a filtering mechanism, an adjusting mechanism and a plurality of mounting mechanisms are arranged on the body; the filtering mechanism comprises a first filtering assembly, a fan assembly and a second filtering assembly, the first filtering assembly comprises a mounting block fixedly mounted on the inner wall of the rectangular groove, an annular groove is formed in the mounting block, a first filtering net is rotatably mounted in the annular groove, and the shape and size of the annular groove are matched with those of the first filtering net; a connecting rod is fixedly installed on the front face of the first filter screen. According to the ventilation structure for the acoustics laboratory, the filtering mechanism, the adjusting mechanism and the mounting mechanisms are arranged, dust can be prevented from being adsorbed to the fan blades, and the ventilation effect of the ventilation structure can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of acoustic testing, in particular to a ventilation structure used in an acoustic laboratory. Background Art

[0002] The acoustic laboratory is a special laboratory used to simulate various ideal sound field conditions and measure various parameters. It is used to study the laws of sound wave propagation and the sound absorption, sound insulation and sound elimination functions of building materials, building structures and building components. It is mainly used to simulate diffuse sound fields, free sound fields and the propagation of sound waves in pipes. It has reverberation chambers, anechoic chambers, soundproof chambers, etc.

[0003] In the related art, a ventilation device for laboratory use is disclosed with publication number CN116608528A, which includes a ventilation shell, an air inlet duct is arranged near the bottom of the ventilation shell, an air outlet duct is arranged on the top of the ventilation shell, and a separation component and a purification component are arranged in the ventilation shell, and the purification component is located above the separation component.

[0004] During the use of this ventilation structure, dust will be adsorbed on the fan blades. The accumulation of dust will cause the surface of the fan blades to be rough, thereby reducing the rotation speed of the fan blades and the ability to push air, which will reduce the ventilation efficiency of the ventilation structure and affect the air circulation in the laboratory. Utility Model Content

[0005] The utility model aims to provide a ventilation structure for an acoustic laboratory, which solves the problem that dust accumulates on the fan blades of the ventilation structure during use, thus affecting the air circulation in the laboratory, by providing a filtering mechanism, an adjusting mechanism and a plurality of mounting mechanisms.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a ventilation structure for an acoustic laboratory, comprising a body and a rectangular slot arranged in the body, wherein a filtering mechanism, an adjusting mechanism and a plurality of mounting mechanisms are arranged on the body;

[0008] The filtering mechanism includes a filter component 1, a fan component and a filter component 2. The filter component 1 includes a mounting block fixedly mounted on the inner wall of a rectangular groove. An annular groove is provided in the mounting block. A filter net 1 is rotatably mounted in the annular groove. The shape and size of the annular groove are matched with the shape and size of the filter net 1. A connecting rod is fixedly mounted on the front of the filter net 1.

[0009] Furthermore, the fan assembly includes a support frame fixedly mounted on the inner wall of the rectangular groove, a motor is fixedly mounted on the front side of the support frame, an output shaft of the motor passes through the support frame and is rotatably connected to the support frame, a rotating shaft is fixedly mounted on the output shaft of the motor, and fan blades are fixedly mounted on the end of the rotating shaft.

[0010] Furthermore, the second filter assembly includes a second filter screen arranged in a rectangular groove, the outer wall of the second filter screen is in contact with the inner wall of the rectangular groove, a plurality of springs are fixedly installed on the front side of the second filter screen, a plurality of support plates are fixedly installed on the inner wall of the rectangular groove, and the back sides of the plurality of support plates are respectively fixedly connected to the plurality of springs.

[0011] Furthermore, the adjustment mechanism includes an adjustment component and a telescopic component, the adjustment component includes a plurality of rotating rods rotatably mounted on the inner wall of the rectangular groove, a plurality of the rotating rods are respectively fixedly sleeved with louvers, a plurality of the louvers are respectively provided with movable grooves, a plurality of the movable grooves are provided with adjustment rods, a plurality of the movable grooves are respectively fixedly mounted with fixed rods, and a plurality of the fixed rods all penetrate the adjustment rod and are rotatably connected to the adjustment rod.

[0012] Furthermore, the telescopic assembly includes an electric telescopic rod fixedly mounted on the bottom inner wall of the rectangular groove, a connecting block fixedly mounted on the output shaft of the electric telescopic rod, a connecting strip hingedly mounted on the front side of the connecting block, and the front side of the connecting strip is hingedly connected to the adjusting rod.

[0013] Furthermore, the mounting mechanism includes a fixing plate fixedly mounted on the right side of the main body, a bolt is threadedly mounted on the fixing plate, and a nut is fixedly mounted on the top end of the bolt.

[0014] The utility model has the following beneficial effects:

[0015] 1. By providing a filtering mechanism, when the ventilation structure is ventilated, the motor is started, the motor drives the rotating shaft to rotate, and the rotating shaft drives the fan blades to rotate. The fan blades generate airflow after rotation, and the generated airflow introduces outdoor air into the room. Under the filtering effect of the filter net 1, the dust mixed in the outdoor air can be filtered to prevent impurities from being adsorbed on the fan blades, thereby ensuring the rotation speed of the fan blades and the ability to push air, thereby improving the ventilation efficiency of the ventilation structure. The fan blades drive the connecting rod to rotate while rotating, and under the rotation effect of the connecting rod, the filter net 1 rotates in the annular groove, and the filter net 1 generates vibration when it rotates. The generated vibration can clean the dust adsorbed on the filter net 1, and can prevent the dust from clogging the filter net 1, thereby improving the ventilation effect of the ventilation structure;

[0016] 2. By setting up an adjustment mechanism, the ventilation structure starts the electric telescopic rod during use, and the electric telescopic rod drives the connection block to move, and the movement of the connection block drives the connection bar to move, so that the connection bar drives the adjustment rod to move. After the adjustment rod moves, several louver fans can be adjusted, so that the size of the air volume can be adjusted according to different usage requirements. By adjusting the air volume of the ventilation structure, the environmental comfort inside the laboratory can be controlled. When the temperature inside the laboratory is too high or the humidity is too high, the air volume of the ventilation structure can be increased to improve the environment of the laboratory.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of a ventilation structure for an acoustic laboratory according to the utility model;

[0020] Figure 2 This is a side sectional structural schematic diagram of a ventilation structure for an acoustic laboratory of the utility model;

[0021] Figure 3 For the utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0022] Figure 4 This is a schematic diagram of a back cross-sectional structure of a ventilation structure for an acoustic laboratory according to the utility model;

[0023] Figure 5 The utility model is a schematic diagram of the back structure of a ventilation structure for an acoustic laboratory.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Main body; 2. Rectangular groove; 3. Mounting block; 4. Annular groove; 5. Filter one; 6. Connecting rod; 7. Support frame; 8. Motor; 9. Rotating shaft; 10. Fan blade; 11. Filter two; 12. Spring; 13. Support plate; 14. Rotating rod; 15. Shutter fan; 16. Movable groove; 17. Adjusting rod; 18. Fixing rod; 19. Electric telescopic rod; 20. Connecting block; 21. Connecting strip; 22. Fixing plate; 23. Bolt; 24. Nut. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 As shown, the utility model is a ventilation structure for an acoustic laboratory, comprising a body 1 and a rectangular slot 2 provided in the body 1, wherein the body 1 is provided with a filtering mechanism, an adjusting mechanism and a plurality of mounting mechanisms;

[0028] The filtering mechanism includes a filter component 1, a fan component and a filter component 2. The filter component 1 includes a mounting block 3 fixedly mounted on the inner wall of a rectangular groove 2. An annular groove 4 is provided in the mounting block 3. A filter screen 5 is rotatably mounted in the annular groove 4. The shape and size of the annular groove 4 are adapted to the shape and size of the filter screen 5. A connecting rod 6 is fixedly mounted on the front of the filter screen 5.

[0029] Among them Figure 2 As shown, the fan assembly includes a support frame 7 fixedly mounted on the inner wall of the rectangular groove 2, a motor 8 is fixedly mounted on the front of the support frame 7, an output shaft of the motor 8 passes through the support frame 7 and is rotatably connected to the support frame 7, a rotating shaft 9 is fixedly mounted on the output shaft of the motor 8, and a fan blade 10 is fixedly mounted at the end of the rotating shaft 9.

[0030] By providing a fan assembly, the motor 8 is started, the motor 8 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the fan blades 10 to rotate. The fan blades 10 generate airflow after rotating, and the generated airflow introduces outdoor air into the room.

[0031] Among them Figure 2 As shown, the filter assembly 2 includes a filter screen 11 arranged in the rectangular groove 2, the outer wall of the filter screen 11 is in contact with the inner wall of the rectangular groove 2, a plurality of springs 12 are fixedly installed on the front of the filter screen 11, a plurality of support plates 13 are fixedly installed on the inner wall of the rectangular groove 2, and the back sides of the plurality of support plates 13 are fixedly connected to the plurality of springs 12 respectively.

[0032] By providing the filter component 2, when the air in the laboratory needs to be discharged outdoors, the air can be filtered under the action of the filter 11, and dust in the indoor air can be prevented from being adsorbed onto the fan blades 10. Under the action of a plurality of springs 12, due to the different wind sizes, when the wind blows towards the filter 11, the filter 11 squeezes the spring 12, so that the spring 12 drives the filter 11 to shake, and the dust adsorbed on the filter 11 can be cleaned after the filter 11 shakes.

[0033] Among them Figure 4 As shown, the adjustment mechanism includes an adjustment component and a telescopic component. The adjustment component includes a plurality of rotating rods 14 rotatably mounted on the inner wall of the rectangular groove 2, a plurality of rotating rods 14 are respectively fixedly sleeved with louver fans 15, a plurality of louver fans 15 are respectively provided with movable grooves 16, a plurality of movable grooves 16 are provided with adjustment rods 17, a plurality of movable grooves 16 are respectively fixedly mounted with fixed rods 18, and a plurality of fixed rods 18 all penetrate the adjustment rod 17 and are rotatably connected to the adjustment rod 17.

[0034] By providing an adjustment component, the air outlet of the ventilation structure can be adjusted as needed through the combined use of the rotating rod 14, the louver fan 15, the movable groove 16, the adjustment rod 17 and the fixed rod 18 to meet different usage requirements.

[0035] Among them Figure 4 As shown, the telescopic assembly includes an electric telescopic rod 19 fixedly mounted on the bottom inner wall of the rectangular groove 2, a connecting block 20 is fixedly mounted on the output shaft of the electric telescopic rod 19, a connecting strip 21 is hingedly mounted on the front of the connecting block 20, and the front of the connecting strip 21 is hingedly connected to the adjusting rod 17.

[0036] By providing a telescopic component, the electric telescopic rod 19 is started, the electric telescopic rod 19 drives the connecting block 20 to move, the movement of the connecting block 20 drives the connecting strip 21 to move, so that the connecting strip 21 drives the adjusting rod 17 to move, and after the adjusting rod 17 moves, a plurality of louver fans 15 can be adjusted, so that the size of the air volume can be adjusted according to different usage requirements.

[0037] Among them Figure 1 As shown, the mounting mechanism includes a fixing plate 22 fixedly mounted on the right side of the body 1 , a bolt 23 is threadedly mounted on the fixing plate 22 , and a nut 24 is fixedly mounted on the top of the bolt 23 .

[0038] By providing a mounting mechanism, the ventilation structure can be quickly fixed and installed at a designated position by using a combination of the fixing plate 22, the bolts 23 and the nuts 24, thereby preventing the ventilation structure from shaking during use.

[0039] A specific application of this embodiment is:

[0040] The first step: when in use, first place the ventilation structure at the designated position, and then firmly fix the ventilation structure at the designated position by a plurality of bolts 23. After the ventilation structure is fixed, when ventilation is needed, start the motor 8, the motor 8 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the fan blades 10 to rotate. The fan blades 10 generate airflow after rotating, and the generated airflow introduces outdoor air into the room. Under the filtering effect of the filter 5, the dust mixed in the outdoor air can be filtered to prevent impurities from being adsorbed on the fan blades 10. The fan blades 10 drive the connecting rod 6 to rotate while rotating. Under the rotation effect of the connecting rod 6, the filter 5 rotates in the annular groove 4. The filter 5 generates vibration when rotating. The generated vibration can clean the dust adsorbed on the filter 5, and can prevent the dust from clogging the filter 5, thereby improving the ventilation effect of the ventilation structure;

[0041] Step 2: When the air volume of the ventilation structure needs to be adjusted, the electric telescopic rod 19 is started, the electric telescopic rod 19 drives the connecting block 20 to move, the connecting block 20 moves and drives the connecting strip 21 to move, so that the connecting strip 21 drives the adjusting rod 17 to move, and after the adjusting rod 17 moves, a plurality of louver fans 15 can be adjusted, so that the air volume can be adjusted according to different usage requirements;

[0042] The third step: when it is necessary to discharge the air in the laboratory to the outdoors, the filter 11 can filter the air to prevent dust in the indoor air from being adsorbed onto the fan blades 10. Under the action of several springs 12, due to the different wind sizes, when the wind blows towards the filter 11, the filter 11 squeezes the spring 12, so that the spring 12 drives the filter 11 to shake, and the filter 11 can clean the dust adsorbed on the filter 11 after shaking.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", 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 representation of the above terms does 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] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A ventilation structure for an acoustic laboratory, comprising a body (1) and a rectangular groove (2) provided in the body (1), characterized in that: The body (1) is provided with a filtering mechanism, an adjusting mechanism and a plurality of mounting mechanisms; The filtering mechanism comprises a filtering assembly 1, a fan assembly and a filtering assembly 2. The filtering assembly 1 comprises a mounting block (3) fixedly mounted on the inner wall of a rectangular groove (2). An annular groove (4) is provided in the mounting block (3). A filtering net 1 (5) is rotatably mounted in the annular groove (4). The shape and size of the annular groove (4) are adapted to the shape and size of the filtering net 1 (5). A connecting rod (6) is fixedly mounted on the front of the filtering net 1 (5).

2. A ventilation structure for an acoustic laboratory according to claim 1, characterized in that: The fan assembly comprises a support frame (7) fixedly mounted on the inner wall of the rectangular groove (2); a motor (8) is fixedly mounted on the front of the support frame (7); an output shaft of the motor (8) passes through the support frame (7) and is rotatably connected to the support frame (7); a rotating shaft (9) is fixedly mounted on the output shaft of the motor (8); and a fan blade (10) is fixedly mounted at the end of the rotating shaft (9).

3. A ventilation structure for an acoustic laboratory according to claim 2, characterized in that: The second filter assembly comprises a second filter screen (11) arranged in a rectangular groove (2), the outer wall of the second filter screen (11) contacts the inner wall of the rectangular groove (2), a plurality of springs (12) are fixedly mounted on the front surface of the second filter screen (11), a plurality of support plates (13) are fixedly mounted on the inner wall of the rectangular groove (2), and the back surfaces of the plurality of support plates (13) are respectively fixedly connected to the plurality of springs (12).

4. A ventilation structure for an acoustic laboratory according to claim 3, characterized in that: The adjustment mechanism comprises an adjustment component and a telescopic component. The adjustment component comprises a plurality of rotating rods (14) rotatably mounted on the inner wall of the rectangular groove (2). A plurality of the rotating rods (14) are respectively fixedly sleeved with louvers (15). A plurality of the louvers (15) are respectively provided with movable grooves (16). A plurality of the movable grooves (16) are provided with adjustment rods (17). A plurality of fixed rods (18) are respectively fixedly mounted in the movable grooves (16). A plurality of the fixed rods (18) penetrate the adjustment rod (17) and are rotatably connected to the adjustment rod (17).

5. A ventilation structure for an acoustic laboratory according to claim 4, characterized in that: The telescopic assembly comprises an electric telescopic rod (19) fixedly mounted on the inner wall of the bottom of the rectangular groove (2); a connecting block (20) is fixedly mounted on the output shaft of the electric telescopic rod (19); a connecting strip (21) is hingedly mounted on the front of the connecting block (20); and the front of the connecting strip (21) is hingedly connected to the adjusting rod (17).

6. A ventilation structure for an acoustic laboratory according to claim 5, characterized in that: The mounting mechanism comprises a fixing plate (22) fixedly mounted on the right side of the body (1), a bolt (23) being threadedly mounted on the fixing plate (22), and a nut (24) being fixedly mounted on the top end of the bolt (23).

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