CN211668001U - Noise reduction device for air return inlet of air conditioner - Google Patents
Noise reduction device for air return inlet of air conditioner Download PDFInfo
- Publication number
- CN211668001U CN211668001U CN202020095307.5U CN202020095307U CN211668001U CN 211668001 U CN211668001 U CN 211668001U CN 202020095307 U CN202020095307 U CN 202020095307U CN 211668001 U CN211668001 U CN 211668001U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- return air
- cavity
- making
- bending
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model provides a device of making an uproar falls in air conditioner return air inlet, it reduces the under-deck noise, and then makes the relative silence of under-deck staff operational environment for the man-machine environment is good. It is including making an uproar box frame of falling, the center of making an uproar box frame forms the installation cavity, the rear end face towards the return air inlet of making an uproar box frame of falling is provided with the link, the link rigid coupling in the periphery of return air inlet, the face territory of installation cavity covers the face territory of return air inlet is arranged, the preceding terminal surface lid of making an uproar box frame of falling is equipped with the dust guard, the dust guard has the air vent of having densely arranged, a plurality of sound wave reflection panel have been arranged in the installation cavity, sound wave reflection panel arranges in order along a cavity straight line direction of installation cavity, and is adjacent the passageway that forms between the sound wave reflection panel is labyrinth passageway, and the air current passes through flow in through labyrinth passageway behind the air vent the return air inlet.
Description
Technical Field
The utility model relates to a technical field of air conditioner return air inlet structure specifically is device of making an uproar falls in air conditioner return air inlet.
Background
According to the existing shelter, the air-conditioning return air inlet is not subjected to noise reduction treatment, noise is reduced only for the air outlet of a large-scale generator in the shelter, the noise generated by the air-conditioning return air inlet is large, the integral noise control requirement in the shelter is influenced, and the man-machine environment is poor.
Disclosure of Invention
To the above problem, the utility model provides a device of making an uproar falls in air conditioner return air inlet, it reduces the under-deck noise, and then makes the relative silence of under-deck staff operational environment for the man-machine environment is good.
Device of making an uproar falls in air conditioner return air inlet, its characterized in that: it is including making an uproar box frame of falling, the center of making an uproar box frame forms the installation cavity, the rear end face towards the return air inlet of making an uproar box frame of falling is provided with the link, the link rigid coupling in the periphery of return air inlet, the face territory of installation cavity covers the face territory of return air inlet is arranged, the preceding terminal surface lid of making an uproar box frame of falling is equipped with the dust guard, the dust guard has the air vent of having densely arranged, a plurality of sound wave reflection panel have been arranged in the installation cavity, sound wave reflection panel arranges in order along a cavity straight line direction of installation cavity, and is adjacent the passageway that forms between the sound wave reflection panel is labyrinth passageway, and the air current passes through flow in through labyrinth passageway behind the air vent the return air inlet.
It is further characterized in that: each sound wave reflection panel comprises a bending cavity, sound absorption sponges are arranged in the bending cavity, the bending cavity is formed by splicing an upper mesh aluminum plate and a lower mesh aluminum plate, and two ends of the bending cavity in the length direction are respectively connected to corresponding positioning positions of the inner wall of the noise reduction box body frame;
preferably, the sound wave reflection panels are sequentially arranged from top to bottom, and the upper plane of the upper convex angle of each bending cavity is higher than the lower boundary of the adjacent upper bending cavity, so that the air flow can flow out of the labyrinth passage after being buffered;
the boundaries of the two sides of the upper mesh aluminum plate are fixedly connected with the upper bending positioning edges of the lower mesh aluminum plate through fasteners, and the sound-absorbing sponge is filled in the bending cavity, so that the sound wave reflection panel is fast and convenient to assemble;
the dust guard is densely provided with phi 5 round holes, so that the air return capacity of the air conditioner is not influenced while foreign matters are prevented from entering the air return pipeline;
the periphery of dust guard pass through the bolt rigid coupling in the box frame of making an uproar before the mounting panel of bending of terminal surface ensures equipment convenient and fast.
After the air conditioner air return inlet is additionally provided with the noise reduction device, the noise reduction reaches 5-7 dB through test verification. Therefore, the noise reduction device is added, the noise environment in the cabin is greatly improved, the noise requirement can be better met, the noise in the cabin is reduced, the working environment of workers in the cabin is relatively muted, and the man-machine environment is good.
Drawings
FIG. 1 is a schematic sectional view of the front view of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the noise reduction box comprises a noise reduction box body frame 1, an installation cavity 2, a connecting frame 3, a dust guard 4, a front end face bending installation plate 5, a sound wave reflection panel 6, a labyrinth channel 7, a bending cavity 8, an upper convex angle 81, a lower boundary 82, a sound absorption sponge 9, an upper mesh aluminum plate 10, a lower mesh aluminum plate 11, an upper bending positioning edge 111, a fastener 12 and a bolt 13.
Detailed Description
The noise reduction device for the return air inlet of the air conditioner is shown in figure 1: the noise reduction box comprises a noise reduction box body frame 1, a mounting cavity 2 is formed in the center of the noise reduction box body frame 1, a connecting frame 3 is arranged on the rear end face, facing to a return air inlet, of the noise reduction box body frame 1, the connecting frame 3 is fixedly connected to the periphery of the return air inlet, the face area of the mounting cavity 2 covers the face area of the return air inlet, a dustproof plate 4 is mounted on the front end face cover of the noise reduction box body frame 1, air holes are densely distributed in the dustproof plate 4, a plurality of sound wave reflection panels 6 are distributed in the mounting cavity 2, the sound wave reflection panels 6 are sequentially distributed along the linear direction of a cavity of the mounting cavity 2, a channel formed between every two adjacent sound wave reflection panels 6 is a labyrinth channel 7, and air flow into the return air inlet through the.
Every sound wave reflection panel 6 is including bending cavity 8, has arranged in the cavity 8 of bending and has inhaled sound sponge 9, and cavity 8 of bending comprises mesh aluminum plate 10, lower mesh aluminum plate 11 amalgamation, and the length direction both ends of cavity 8 of bending are connected respectively in the corresponding position of the inner wall of the box frame 1 of making an uproar that falls.
In the specific embodiment, the sound wave reflection panels 6 are sequentially arranged from top to bottom, and the upper plane of the upper convex corner 81 of each bending cavity 8 is higher than the lower boundary 82 of the adjacent upper bending cavity 8, so that the air flow can flow out of the labyrinth passage 7 after being buffered;
the boundaries of two sides of the upper mesh aluminum plate 10 are fixedly connected with the upper bending positioning edges 111 of the lower mesh aluminum plate 11 through fasteners 12, and the sound-absorbing sponge 9 is filled in the bending cavity 8, so that the sound wave reflection panel 6 is fast and convenient to assemble;
the dust guard 4 is densely provided with phi 5 round holes, so that the air return capacity of the air conditioner is not influenced while foreign matters are prevented from entering the air return pipeline;
the periphery of the dust guard 4 is fixedly connected with the front end face bending mounting plate 5 of the noise reduction box body frame 1 through bolts 13, and the convenient and fast assembly is ensured.
The beneficial effects are as follows: after the air conditioner air return inlet is additionally provided with the noise reduction device, the noise reduction reaches 5-7 dB through test verification. Therefore, the noise reduction device is added, the noise environment in the cabin is greatly improved, the noise requirement can be better met, the noise in the cabin is reduced, the working environment of workers in the cabin is relatively muted, and the man-machine environment is good.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. Device of making an uproar falls in air conditioner return air inlet, its characterized in that: it is including making an uproar box frame of falling, the center of making an uproar box frame forms the installation cavity, the rear end face towards the return air inlet of making an uproar box frame of falling is provided with the link, the link rigid coupling in the periphery of return air inlet, the face territory of installation cavity covers the face territory of return air inlet is arranged, the preceding terminal surface lid of making an uproar box frame of falling is equipped with the dust guard, the dust guard has the air vent of having densely arranged, a plurality of sound wave reflection panel have been arranged in the installation cavity, sound wave reflection panel arranges in order along a cavity straight line direction of installation cavity, and is adjacent the passageway that forms between the sound wave reflection panel is labyrinth passageway, and the air current passes through flow in through labyrinth passageway behind the air vent the return air inlet.
2. The air conditioner return air inlet noise reduction device of claim 1, wherein: every sound wave reflecting panel has arranged the sound sponge of inhaling including the cavity of bending in the cavity of bending, the cavity of bending comprises net hole aluminum plate, net hole aluminum plate amalgamation down, the length direction both ends of the cavity of bending connect respectively in the inner wall of the box frame of making an uproar corresponds the locating position.
3. The air conditioner return air inlet noise reduction device of claim 2, wherein: the sound wave reflection panels are sequentially arranged from top to bottom, and the upper plane of the upper convex angle of each bending cavity is higher than the lower boundary of the adjacent upper bending cavity.
4. The air conditioner return air inlet noise reduction device of claim 2, wherein: go up mesh aluminum plate's both sides limit through fastener rigid coupling mesh aluminum plate's last location limit of bending down, inhale the sound sponge fill in the cavity of bending.
5. The air conditioner return air inlet noise reduction device of claim 1, wherein: and phi 5 round holes are densely distributed on the dustproof plate.
6. The air conditioner return air inlet noise reduction device of claim 1, wherein: the periphery of the dustproof plate is fixedly connected with the front end face bending mounting plate of the noise reduction box body frame through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020095307.5U CN211668001U (en) | 2020-01-16 | 2020-01-16 | Noise reduction device for air return inlet of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020095307.5U CN211668001U (en) | 2020-01-16 | 2020-01-16 | Noise reduction device for air return inlet of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211668001U true CN211668001U (en) | 2020-10-13 |
Family
ID=72739641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020095307.5U Active CN211668001U (en) | 2020-01-16 | 2020-01-16 | Noise reduction device for air return inlet of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211668001U (en) |
-
2020
- 2020-01-16 CN CN202020095307.5U patent/CN211668001U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204511651U (en) | The sound-deadening and noise-reducing device of heavy duty generator set | |
| CN211668001U (en) | Noise reduction device for air return inlet of air conditioner | |
| CN211500420U (en) | Noise-reduction ventilation convex window | |
| CN111121267A (en) | Noise reduction device for air return inlet of air conditioner | |
| CN112804843A (en) | Low noise cabinet that charges | |
| CN215804231U (en) | Air inlet shutter structure | |
| CN207053003U (en) | A kind of ventilation silencer of main transformer of transformer substation room | |
| CN206386040U (en) | A kind of modified sound-deadening louver | |
| CN217104790U (en) | Noise reduction sound insulation screen | |
| CN212296625U (en) | Novel internal combustion engine generating set of structure silence case of making an uproar falls | |
| CN213008690U (en) | Aluminum alloy yacht cabin exhaust duct noise reduction structure | |
| CN205491652U (en) | Waveguide window | |
| CN211684701U (en) | Fill electric pile with detachable protection against insects dustproof and waterproof's heat dissipation wind channel of making an uproar that falls | |
| CN209724809U (en) | Muffler for fan | |
| CN205654262U (en) | Type of making an uproar door and window ventilator is fallen | |
| CN217178645U (en) | Low-noise range hood | |
| CN217518822U (en) | Vertical sound-proof housing | |
| CN211341932U (en) | Sound insulation cover | |
| CN2716328Y (en) | Vibration preventing, sound absorbing and noise reducing assembling type unit member | |
| CN216009017U (en) | High-pressure low-noise smoke exhaust fan | |
| CN111166236A (en) | Sweeping robot, gas circulation part and air outlet structure thereof | |
| CN214462168U (en) | Steel construction of making an uproar falls in ventilation shaft is built in room | |
| CN218673217U (en) | Noise reduction device for cooling tower | |
| JP3143015U (en) | Duct integrated ventilation louver | |
| CN212429344U (en) | Device of making an uproar and use device's outdoor direct current to fill electric pile falls |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |