Silencing structure of ventilation and heat dissipation device of square cabin

Abstract

The utility model discloses a silencing structure of a ventilation and heat dissipation device of a square cabin, which comprises a silencing box, the silencing box comprises an upper box body, a lower box body and a fixed flange, the upper box body and the lower box body are connected with each other, and the fixed flange is arranged at the front end of the outer side of the matched structure of the upper box body and the lower box body; upper silencing cotton is arranged at the position, attached to the inner wall, in the upper box body, and lower silencing cotton is arranged at the position, attached to the inner wall, in the lower box body; an air inlet is formed in the front end of the upper box body, a fan is installed at the air inlet, an air guide opening is formed in the connecting position of the upper box body and the lower box body, and an integrated silencer is connected to the bottom of the air guide opening. The upper silencing cotton and the lower silencing cotton are arranged on the upper portion and the lower portion in the silencing box respectively, part of noise generated by heat dissipation can be eliminated through the upper silencing cotton and the lower silencing cotton, the integrated silencer is arranged on the inner side of the lower portion of the silencing box, and air flow generated by heat dissipation can effectively reduce noise caused by the air flow through the integrated silencer.

Description

Technical Field

[0001] The utility model relates to the technical field of sound insulation structures, in particular to a sound insulation structure of a ventilation and heat dissipation device for a shelter. Background Technique

[0002] With the development of technology, there are various shelters on the market now, and many shelters are now equipped with ventilation and heat dissipation devices to quickly extract the heat generated inside the shelter; and most of the heat in the shelter is extracted by using a fan. However, a large amount of noise will be generated when the fan drives the air flow to be discharged, which will cause noise pollution to the surrounding of the shelter. Therefore, some sound insulation structures or devices installed around the ventilation and heat dissipation device have emerged.

[0003] For example, the utility model patent with the patent number CN202322120992.9 discloses a server heat dissipation and sound insulation device, including a server body. A cooling box is fixedly connected to the left side of the server body. A double-shaft motor is fixedly connected to the inner cavity of the cooling box. A worm is fixedly connected to the output end of the double-shaft motor. A worm gear is meshed on the surface of the worm. A fan is fixedly connected to the inner cavity of the worm gear. Fixing plates are fixedly connected to the top and bottom on the left side of the cooling box. A sound insulation box is arranged on the left side of the cooling box. A first sound insulation pipe is communicated with the right side of the inner cavity of the sound insulation box. A second sound insulation pipe is communicated with the right side of the server body. Through the cooperation of the server body, the cooling box, the double-shaft motor, the worm, the worm gear, the fan, the fixing plates, the sound insulation box, the first sound insulation pipe and the second sound insulation pipe, the heat dissipation effect of the server body can be effectively improved, and sound insulation treatment can be carried out during heat dissipation to avoid noise pollution.

[0004] The above-mentioned patent provides a heat dissipation and sound insulation device that uses a sound insulation pipe to eliminate the noise generated during the heat dissipation of the fan. However, in actual use, due to the limited space of the sound insulation pipe, the exhaust efficiency is limited by the space of the sound insulation pipe, which is not conducive to the efficient heat dissipation of the ventilation and heat dissipation device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a sound insulation structure of a ventilation and heat dissipation device for a shelter, aiming to improve the problem that the exhaust efficiency of the existing heat dissipation and sound insulation device is limited by the space of the sound insulation pipe, which is not conducive to the efficient heat dissipation of the heat dissipation device.

[0006] The utility model is realized as follows:

[0007] A noise reduction structure for a ventilation and heat dissipation device of a mobile cabin, including a noise reduction box. The noise reduction box includes an upper box body, a lower box body and a fixing flange. The upper box body and the lower box body are connected to each other, and a fixing flange is provided at the front end of the outer side of the structure where the upper box body and the lower box body are matched. An upper sound-absorbing cotton is provided at a position where the inner wall of the upper box body is attached, and a lower sound-absorbing cotton is provided at a position where the inner wall of the lower box body is attached. An air inlet is provided at the front end of the upper box body, a fan is installed at the air inlet, a guiding air outlet is provided at the connection between the upper box body and the lower box body, and an integrated muffler is connected to the bottom of the guiding air outlet.

[0008] Preferably, an air outlet is provided at the bottom end of the lower box body, and a cover plate is provided at the rear end of the lower box body. The cover plate is rotatably connected with a maintenance door through a hinge.

[0009] Preferably, an installation rack is provided inside the upper box body, and the installation rack does not interfere with the air inlet. Fixing bolts are provided at the corners of the air inlet.

[0010] Preferably, the cross-section of the fixing flange is L-shaped, and the fixing flange is connected to both the upper box body and the lower box body through screws. A plurality of flange holes are evenly provided at the edge of one end of the fixing flange that does not contact the upper box body and the lower box body.

[0011] Preferably, a fan panel is provided at the suction end of the fan. An air suction grille is provided in the middle of the fan panel, and a control panel is provided at the bottom of the fan panel for controlling the entire fan.

[0012] Preferably, a folded maze sound-absorbing cotton is provided inside the integrated muffler, and connection rings are provided at both the top and the bottom of the integrated muffler. A plurality of connection holes are evenly provided at the edge of the connection ring.

[0013] Preferably, an electric louver is further included. The top of the electric louver is connected to the bottom end of the integrated muffler, and the bottom of the electric louver is connected to the air outlet at the bottom of the lower box body.

[0014] Preferably, a metal insect-proof net is provided at the bottom inside the electric louver. A frame is provided at the edge of the metal insect-proof net, and a plurality of bolt holes are provided on the frame. An electric air valve is provided at the top inside the electric louver. A wire is provided on one side of the electric air valve. The electric air valve is used to control the opening and closing of the louvers of the electric louver. Fixing feet are symmetrically provided on both sides of the top end of the electric louver, and a plurality of fixing holes are provided on the fixing feet.

[0015] Preferably, a plurality of lifting rings are further included. The lifting rings are installed at the top end of the upper box body, and the lifting rings are detachably connected to the upper box body.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] 1. In this utility model, the upper part and the lower part inside the noise elimination box are respectively provided with upper sound-absorbing cotton and lower sound-absorbing cotton. The upper sound-absorbing cotton and the lower sound-absorbing cotton can eliminate a part of the noise generated by heat dissipation. And an integrated muffler is provided inside the lower part of the noise elimination box. The airflow generated by heat dissipation can effectively reduce the noise brought by the airflow after passing through the integrated muffler, thereby effectively reducing the large amount of noise pollution generated by heat dissipation around the shelter.

[0018] 2. In this utility model, an electric louver is provided at the air outlet at the bottom inside the noise elimination box. An electric air valve is provided inside the electric louver to control the opening and closing of the electric louver. The state of the air outlet can be adjusted through the electric air valve, so as to prevent rainwater from entering the noise elimination box by adjusting the inclination angle of the louvers of the electric louver. At the same time, when the airflow pumped by the fan hits the inclined louvers, part of the kinetic energy will be consumed, thus avoiding greater noise when the airflow blows out and reducing the noise to a certain extent.

[0019] 3. In this utility model, a lifting ring is provided at the top of the noise elimination box. Through the lifting ring, the entire noise elimination structure can be lifted and installed at a designated position, which is convenient for the installation and use of the noise elimination box. Description of the Drawings

[0020] Figure 1 is the overall structural schematic diagram of this utility model;

[0021] Figure 2 is the exploded structural schematic diagram of this utility model;

[0022] Figure 3 is the structural schematic diagram of the noise elimination box of this utility model from the front end at an oblique downward view;

[0023] Figure 4 is the structural schematic diagram of the noise elimination box of this utility model from the rear end at an oblique downward view;

[0024] Figure 5 is the structural schematic diagram of the fan of this utility model;

[0025] Figure 6 is the structural schematic diagram of the integrated muffler of this utility model;

[0026] Figure 7 is the structural schematic diagram of the electric louver of this utility model from the rear end at an oblique upward view;

[0027] Figure 8 is the structural schematic diagram of the electric louver of this utility model from the front end at an oblique downward view.

[0028] In the figure: 1. Muffler; 11. Lower box body; 111. Air guide port; 112. Cover plate; 113. Inspection door; 114. Hinge; 115. Air outlet; 12. Upper box body; 121. Mounting rack; 122. Air inlet; 123. Fixed bolt; 124. Suspension ring; 13. Fixed flange; 131. Flange hole; 2. Fan; 21. Fan panel; 22. Air suction grille; 23. Control panel; 3. Upper sound-absorbing cotton; 4. Lower sound-absorbing cotton; 5. Integrated muffler; 51. Folding labyrinth sound-absorbing cotton; 52. Connecting ring; 53. Connecting hole; 6. Electric louver; 61. Metal insect-proof net; 62. Frame; 63. Bolt hole; 64. Electric air valve; 65. Conducting wire; 66. Fixed foot; 67. Fixed hole. Detailed implementation mode

[0029] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] The following is a further description in conjunction with the drawings and specific embodiments:

[0031] Embodiment 1

[0032] As Figure 1 、 Figure 2 and Figure 3 shown, a silencing structure of a ventilation and heat dissipation device for a mobile cabin includes a muffler 1. The muffler 1 includes an upper box body 12, a lower box body 11 and a fixed flange 13. The upper box body 12 and the lower box body 11 are connected to each other, and a fixed flange 13 is provided at the front end of the outer side of the structure where the upper box body 12 and the lower box body 11 cooperate; the upper box body 12 and the lower box body 11 are respectively used to install different components, and the fixed flange 13 is convenient to connect the entire lower sound device to the mobile cabin that needs to dissipate heat. An upper sound-absorbing cotton 3 is provided at a position where the inner wall of the upper box body 12 is attached, and a lower sound-absorbing cotton 4 is provided at a position where the inner wall of the lower box body 11 is attached; the upper sound-absorbing cotton 3 and the lower sound-absorbing cotton 4 can effectively eliminate the noise generated by heat dissipation. An air inlet 122 is provided at the front end of the upper box body 12, and a fan 2 is installed at the air inlet 122. The cooperation of the air inlet 122 and the fan 2 is convenient to quickly extract the heat generated by the mobile cabin. An air guide port 111 is provided at the connection between the upper box body 12 and the lower box body 11, and an integrated muffler 5 is connected to the bottom of the air guide port 111. The air guide port 111 is used to introduce the airflow pumped by the fan 2 into the integrated muffler 5, and further sound insulation treatment is carried out through the integrated muffler 5.

[0033] As Figure 3 and Figure 4 shown, an air outlet 115 is provided at the bottom end of the lower box body 11. The air outlet 115 facilitates exhaust and the discharge of the air flow pumped by the fan 2. A cover plate 112 is provided at the rear end of the lower box body 11. The cover plate 112 is rotatably connected to an access door 113 through a hinge 114; the cooperation of the cover plate 112 and the access door 113 facilitates the maintenance of the entire sound insulation structure. An installation frame 121 is provided inside the upper box body 12. The installation frame 121 does not interfere with the air inlet 122; the installation frame 121 facilitates the fixation of the fan 2 and is conducive to the stability of the fan 2. Fixing bolts 123 are provided at the corners of the air inlet 122. The fixing bolts 123 facilitate the fixation of the fan 2. The cross-section of the fixing flange 13 is L-shaped, and the fixing flange 13 is connected to both the upper box body 12 and the lower box body 11 by screws; a plurality of flange holes 131 are evenly provided at the edge of the end of the fixing flange 13 that does not contact the upper box body 12 and the lower box body 11; this structure facilitates the fixation of the entire sound insulation structure at the heat dissipation port of the shelter through the fixing flange 13.

[0034] As Figure 5 shown, a fan panel 21 is provided at the suction end of the fan 2. An air suction grille 22 is provided in the middle of the fan panel 21. This structure can ensure the safety of the suction end of the fan 2 and prevent foreign objects from being sucked into the fan 2, thereby affecting the operation of the fan 2. A control panel 23 is provided at the bottom of the fan panel 21 for controlling the entire fan 2.

[0035] As Figure 6 shown, a folding maze sound-absorbing cotton 51 is provided inside the integrated muffler 5. Connection rings 52 are provided at both the top and bottom of the integrated muffler 5. A plurality of connection holes 53 are evenly provided at the edge of the connection ring 52; the connection ring 52 and the connection holes 53 facilitate the connection of the integrated muffler 5 to the air guide port 111 and other components; the folding maze sound-absorbing cotton 51 plays a role in reflecting sound waves. Through reflection, the propagation direction of the noise changes, thereby achieving the purpose of reducing noise. The sound-absorbing material in the folding maze sound-absorbing cotton 51 plays a role in absorbing sound waves. When the sound waves pass through the sound-absorbing material, they will be absorbed by the pore structure inside the material, thereby weakening the energy of the sound waves, thereby achieving the purpose of reducing noise.

[0036] Embodiment 2

[0037] As Figure 2As shown in the figure, based on Embodiment 1, in order to control the air outlet state at the air outlet 115 and protect the air outlet 115, an electric louver 6 is further included. The top of the electric louver 6 is connected to the bottom end of the integrated muffler 5, and the bottom of the electric louver 6 is connected to the air outlet 115 at the bottom of the lower box body 11. This structure facilitates the air flow driven by the fan 2 to be discharged through the electric louver 6. The direction of the discharged air can be adjusted through the electric louver 6, and at the same time, the inclination of the louvers can be adjusted to prevent rainwater from entering the muffler box 1.

[0038] As Figure 7 and Figure 8 shown in the figure, a metal insect screen 61 is provided at the bottom inside the electric louver 6. The metal insect screen 61 is to prevent insects from entering the inside of the muffler box 1. A frame 62 is provided at the edge of the metal insect screen 61, and a plurality of bolt holes 63 are provided on the frame 62. The frame 62 and the bolt holes 63 cooperate to facilitate the fixation of the metal insect screen 61 by bolts. And an electric air valve 64 is provided at the top inside the electric louver 6. A wire 65 is provided on one side of the electric air valve 64. The electric air valve 64 is used to control the opening and closing of the louvers of the electric louver 6. Fixed feet 66 are symmetrically provided on both sides at the top end of the electric louver 6, and a plurality of fixing holes 67 are provided on the fixed feet 66. The cooperation of the fixed feet 66 and the fixing holes 67 facilitates the connection of the electric louver 6 to the integrated muffler 5 by bolts.

[0039] Embodiment 3

[0040] As Figure 3 shown in the figure, based on Embodiments 1 and 2, in order to facilitate the installation of the entire muffling device, a plurality of lifting rings 124 are further included. The lifting rings 124 are installed at the top end of the upper box body 12, and the lifting rings 124 and the upper box body 12 are detachably connected. This structure facilitates the lifting of the entire muffling structure through the lifting rings 124, thereby facilitating the fixation of the position of the muffling structure by bolts and facilitating the use of the muffling structure.

[0041] Working principle: When in use, the entire muffling structure is installed at the heat dissipation outlet of the shelter, and then the fan 2 is started. The heat inside the shelter is sucked into the muffler box 1 through the fan 2. Due to the action of the upper sound-absorbing cotton 3 and the lower sound-absorbing cotton 4, the noise of the air flow driven by the fan 2 will be greatly reduced. Then the air flow driven by the fan 2 will pass through the integrated muffler 5, and the folded maze sound-absorbing cotton 51 inside the integrated muffler 5 can further reduce the noise. Finally, the air flow passes through the electric louver 6, and the direction of the air outlet is controlled by controlling the electric air valve 64, so that the noise can be reduced to a certain extent. In this way, the heat dissipation noise of the entire shelter is greatly reduced.

[0042] In summary, compared with the prior art, in the present application, the upper part and the lower part inside the sound silencer 1 are respectively provided with an upper sound-absorbing cotton 3 and a lower sound-absorbing cotton 4. The upper sound-absorbing cotton 3 and the lower sound-absorbing cotton 4 can eliminate a part of the noise generated by heat dissipation. Moreover, an integrated muffler 5 is provided inside the lower part of the sound silencer 1. The airflow generated by heat dissipation passing through the integrated muffler 5 can effectively reduce the noise brought by the airflow, thereby effectively reducing the large amount of noise pollution generated by heat dissipation around the mobile cabin. By providing an electric louver 6 at the air outlet 115 at the bottom inside the sound silencer 1, and an electric air valve 64 is provided inside the electric louver 6 to control the opening and closing of the electric louver 6. The state of the air outlet 115 can be adjusted through the electric air valve 64, so as to prevent rainwater from entering the sound silencer 1 by adjusting the inclination angle of the louvers of the electric louver 6. At the same time, when the airflow pumped by the fan 2 hits the inclined louvers, part of the kinetic energy will be consumed, thus avoiding a large noise when the airflow blows out and reducing the noise to a certain extent.

[0043] The above is only the preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A noise reduction structure for a ventilation and heat dissipation device of a mobile cabin, comprising a muffler box (1), characterized in that, The muffler box (1) includes an upper box body (12), a lower box body (11) and a fixing flange (13). The upper box body (12) and the lower box body (11) are connected to each other, and a fixing flange (13) is provided at the front end of the outer side of the structure where the upper box body (12) and the lower box body (11) are fitted; an upper sound-absorbing cotton (3) is provided at a position where the inner wall of the upper box body (12) is attached, and a lower sound-absorbing cotton (4) is provided at a position where the inner wall of the lower box body (11) is attached; an air inlet (122) is provided at the front end of the upper box body (12), a fan (2) is installed at the air inlet (122), a air guiding port (111) is provided at the connection between the upper box body (12) and the lower box body (11), and an integrated muffler (5) is connected to the bottom of the air guiding port (111).

2. The silencing structure of a ventilation and heat dissipation device for a mobile cabin according to claim 1, wherein, An air outlet (115) is provided at the bottom end of the lower box body (11), and a cover plate (112) is provided at the rear end of the lower box body (11). The cover plate (112) is rotatably connected to an inspection door (113) through a hinge (114).

3. The noise elimination structure of a ventilation and heat dissipation device for a mobile cabin according to claim 2, characterized in that, An installation rack (121) is provided inside the upper box body (12), and the installation rack (121) does not interfere with the air inlet (122); fixing bolts (123) are provided at the corners of the air inlet (122).

4. The sound insulation structure of a ventilation and heat dissipation device for a mobile cabin according to claim 3, wherein, The cross section of the fixing flange (13) is L-shaped, and the fixing flange (13) is connected to both the upper box body (12) and the lower box body (11) by screws; a plurality of flange holes (131) are evenly provided at the edge of the end of the fixing flange (13) that does not contact the upper box body (12) and the lower box body (11).

5. The silencing structure of a ventilation and heat dissipation device for a mobile cabin according to claim 1, characterized in that, A fan panel (21) is provided at the suction end of the fan (2), a suction grille (22) is provided in the middle of the fan panel (21), and a control panel (23) is provided at the bottom of the fan panel (21) for controlling the entire fan (2).

6. The sound-absorbing structure of a ventilation and heat dissipation device for a mobile cabin according to claim 1, characterized in that, A folded maze sound-absorbing cotton (51) is provided inside the integrated muffler (5), and connection rings (52) are provided at both the top and the bottom of the integrated muffler (5). A plurality of connection holes (53) are evenly provided at the edge of the connection ring (52).

7. A silencing structure for a ventilation and heat dissipation device of a mobile cabin according to any one of claims 1-6, characterized in that, An electric louver (6) is further included. The top of the electric louver (6) is connected to the bottom end of the integrated muffler (5), and the bottom of the electric louver (6) is connected to the air outlet (115) at the bottom of the lower box body (11).

8. The sound insulation structure of a ventilation and heat dissipation device for a mobile cabin according to claim 7, characterized in that, A metal insect screen (61) is provided at the inner bottom of the electric louver (6). A frame (62) is provided at the edge of the metal insect screen (61), and a plurality of bolt holes (63) are provided on the frame (62); an electric air valve (64) is provided at the inner top of the electric louver (6), a wire (65) is provided on one side of the electric air valve (64), and the electric air valve (64) is used to control the opening and closing of the louvers of the electric louver (6); fixing feet (66) are symmetrically provided on both sides of the top end of the electric louver (6), and a plurality of fixing holes (67) are provided on each of the fixing feet (66).

9. The silencing structure of a ventilation and heat dissipation device for a mobile cabin according to any one of claims 1-6, characterized in that, It further includes lifting rings (124), and a plurality of the lifting rings (124) are provided. The lifting rings (124) are installed at the top end of the upper box body (12), and the lifting rings (124) are detachably connected to the upper box body (12).

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