CN220911599U - Direct expansion type fresh air purifying all-in-one machine - Google Patents
Direct expansion type fresh air purifying all-in-one machine Download PDFInfo
- Publication number
- CN220911599U CN220911599U CN202322637178.4U CN202322637178U CN220911599U CN 220911599 U CN220911599 U CN 220911599U CN 202322637178 U CN202322637178 U CN 202322637178U CN 220911599 U CN220911599 U CN 220911599U
- Authority
- CN
- China
- Prior art keywords
- lining layer
- noise reduction
- fresh air
- direct expansion
- perforated
- 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
- 230000009467 reduction Effects 0.000 claims abstract description 40
- 238000004887 air purification Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 13
- 229920000742 Cotton Polymers 0.000 claims description 17
- 238000000746 purification Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 34
- 230000000694 effects Effects 0.000 abstract description 20
- 239000011229 interlayer Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 239000000835 fiber Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009290 primary effect Effects 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a direct expansion type fresh air purification all-in-one machine, which belongs to the technical field of fresh air equipment, and comprises a box body, an air inlet and an air outlet which are connected to two ends of the box body in a conducting manner, a fan installation cavity arranged on the inner side of the box body, and an evaporator arranged on one side of the fan installation cavity, wherein the box body consists of an outer lining layer and an inner lining layer, a cavity is arranged between the outer lining layer and the inner lining layer, a passive noise reduction mechanism is arranged on the inner side of the cavity, a box cover is arranged at the top opening of the box body, and the box body can be arranged into a structure with an interlayer by utilizing the combination of the outer lining layer and the inner lining layer, so that the noise reduction effect of the box body can be improved, and the direct expansion type fresh air purification all-in-one machine can be subjected to noise reduction treatment in a mode of passive noise reduction and active noise reduction, so that the noise reduction effect of the direct expansion type fresh air purification all-in-one machine can be improved.
Description
Technical Field
The utility model relates to the technical field of fresh air equipment, in particular to a direct expansion type fresh air purifying all-in-one machine.
Background
The fresh air purifying integrated machine is used for air purifying treatment, and outdoor air is filtered and then is sent into a room. The existing fresh air purification all-in-one machine is unreasonable in arrangement, and inconvenient to install, manage and maintain: the novel direct expansion fresh air purification integrated machine has the advantages that the noise is large, the structure is good, the filtering effect is complex, the structure is simple, the filtering effect is not ideal, the traditional patent is a direct expansion fresh air purification integrated machine, the patent authority number is CN 214249962U, the structure is simplified, the filtering effect is improved, the installation and the maintenance are convenient, and the novel direct expansion fresh air purification integrated machine is particularly suitable for being used in a negative pressure ward.
However, the patent No. CN 214249962U has a sound-absorbing cotton installed on the inner wall of the box, and the sound-absorbing cotton is usually adhered and fixed on the box, but the noise-reducing effect of the device by a single sound-absorbing cotton mechanism is not ideal, so that in order to improve the noise-reducing effect of the device, we propose a direct expansion type fresh air purifying all-in-one machine to solve the above problems.
Disclosure of utility model
1. Technical problem to be solved
Aiming at the problems in the prior art, the utility model aims to provide the direct expansion type fresh air purifying all-in-one machine, which can improve the noise reduction effect of the box body by utilizing the combination of the outer lining layer and the inner lining layer to set the box body into a structure with an interlayer, and can carry out noise reduction treatment on the direct expansion type fresh air purifying all-in-one machine in a mode of passive noise reduction and active noise reduction, thereby improving the noise reduction effect of the direct expansion type fresh air purifying all-in-one machine.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The direct expansion type fresh air purifying integrated machine comprises a box body, an air inlet and an air outlet which are connected to two ends of the box body in a conducting mode, a fan installation cavity arranged on the inner side of the box body, and an evaporator arranged on one side of the fan installation cavity, wherein the box body consists of an outer lining layer and an inner lining layer;
A cavity is arranged between the outer lining layer and the inner lining layer, and a passive noise reduction mechanism is arranged on the inner side of the cavity;
The passive noise reduction mechanism comprises a first perforated acoustic board symmetrically arranged at the inner side of the cavity, a second perforated acoustic board spliced and connected with the first perforated acoustic board, acoustic holes formed in the surfaces of the first perforated acoustic board and the second perforated acoustic board in an array manner, protruding blocks which are arranged at the inner side of the acoustic holes and are irregularly shaped, and soundproof cotton compositely bonded at the inner vertical surfaces of the first perforated acoustic board and the second perforated acoustic board;
And a box cover is arranged at the top opening of the box body.
Furthermore, countersunk holes are formed in the edge of the surface of the first perforated sound-absorbing plate, and the countersunk holes are symmetrically formed in a plurality of positions.
Further, screw holes are symmetrically formed in the outer walls of the two sides of the second perforated sound absorbing plate, and the screw holes correspond to the countersunk holes.
Further, the bump is provided with a plurality of in the inboard of inhaling the sound hole, just the bump is integrated into one piece structure with first perforation abatvoix and second perforation abatvoix respectively.
Furthermore, the lower surface of the box cover is provided with a noise reduction loudspeaker, and the noise reduction loudspeaker corresponds to the fan installation cavity.
Further, a threading hole is formed in the position, corresponding to the noise reduction loudspeaker, of the box cover, and the aperture of the threading hole is 2.5-3cm.
Further, the outer lining layer is welded with the inner lining layer, and the outer lining layer and the inner lining layer are made of stainless steel.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) This scheme sets up the box into the structure that has the intermediate layer through utilizing outer lining and inner liner combination, consequently, can improve the effect of making an uproar of box self, fill passive noise reduction mechanism in the intermediate layer simultaneously, firstly utilize the soundproof cotton that constitutes noise reduction mechanism to the noise that produces in the box inboard course of working, then inhale again through the sound absorption hole that first perforation abatvoix and second perforation abatvoix were seted up to passing soundproof cotton, after the sound wave transmission to the inboard of sound absorption hole, launch the sound wave through the lug, thereby make the sound wave in the inboard of sound absorption hole repeatedly oscillate, convert the sound energy into heat energy, thereby can improve the effect of making an uproar of directly expanding new trend purification all-in-one self.
(2) According to the scheme, the noise generated in the working process of the fan is collected by the noise-reducing loudspeaker through the external control system of the noise-reducing loudspeaker, noise signals are transmitted and conveyed to the control system for recognition, the control system can collect and recognize the frequency of the noise signals, a signal opposite to the noise signals is generated and played through the noise-reducing loudspeaker, the noise transmitted by the fan is processed by utilizing an active noise-reducing mode, and the noise-reducing effect can be further improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the inner side structure of the case of the present utility model;
FIG. 3 is a schematic view of the outer liner and inner liner structure of the present utility model;
FIG. 4 is a schematic diagram of a passive noise reduction mechanism according to the present utility model;
FIG. 5 is an enlarged schematic view of portion A of the present utility model;
FIG. 6 is a schematic view of a second perforated sound absorbing panel structure of the present utility model;
Fig. 7 is a schematic view of the bottom structure of the case cover of the present utility model.
The reference numerals in the figures illustrate:
1. A case; 2. an air inlet; 3. an air outlet; 4. a fan mounting cavity; 5. an evaporator; 6. an outer liner layer; 7. an inner liner layer; 8. a first perforated acoustic panel; 9. a second perforated acoustic panel; 10. a sound absorbing hole; 11. a bump; 12. a countersunk hole; 13. a screw hole; 14. a case cover; 15. a noise reducing loudspeaker; 16. a threading hole; 17. and (5) soundproof cotton.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
Referring to fig. 1-7, a direct expansion type fresh air purifying integrated machine comprises a box body 1, an air inlet 2 and an air outlet 3 which are connected to two ends of the box body 1 in a conducting manner, a fan installation cavity 4 arranged on the inner side of the box body 1, an evaporator 5 arranged on one side of the fan installation cavity 4, and a box body 1 consisting of an outer lining layer 6 and an inner lining layer 7;
A cavity is arranged between the outer lining layer 6 and the inner lining layer 7, and a passive noise reduction mechanism is arranged on the inner side of the cavity;
The passive noise reduction mechanism comprises a first perforated acoustic board 8 symmetrically arranged at the inner side of the cavity, a second perforated acoustic board 9 spliced and connected with the first perforated acoustic board 8, acoustic holes 10 formed on the surfaces of the first perforated acoustic board 8 and the second perforated acoustic board 9 in an array manner, protruding blocks 11 arranged at the inner side of the acoustic holes 10 in an irregular shape, and soundproof cotton 17 bonded on the inner vertical surfaces of the first perforated acoustic board 8 and the second perforated acoustic board 9 in a composite manner;
The top opening of the box body 1 is provided with a box cover 14;
It should be noted that, through utilizing outer lining 6 and inner liner 7 to make up and setting up box 1 into the structure that has the intermediate layer, consequently, can improve the effect of making an uproar of box 1 self, simultaneously fill passive noise reduction mechanism in the intermediate layer inboard, firstly utilize the soundproof cotton 17 that constitutes noise reduction mechanism to eliminate the noise that produces in the box 1 inboard part course of working, soundproof cotton 17 has the multi-fiber structure, the sound wave passes through countless fibrous reflection when cotton, mutual stack, collide, the sound wave energy conversion becomes heat energy, sound wave intensity weakens, then absorb the noise that passes soundproof cotton 17 again through the sound absorbing hole 10 that first perforation abatvoix 8 and second perforation abatvoix 9 set up, after the sound wave is transmitted to the inboard of sound absorbing hole 10, transmit the sound wave through lug 11, thereby make the sound wave vibrate repeatedly in the inboard of sound absorbing hole 10, convert the sound energy into heat energy, thereby can improve the effect of making an uproar of direct expansion formula new trend purification all-in-one self, this direct expansion formula new trend purification all-in-one is through air intake 2 leading-in air, then utilize the fan that fan installation intracavity 4 is inboard, after passing through the primary filtration, high-efficient filtration, and after that the new trend is purified through the air outlet 3.
As shown in fig. 4 and 6, the edge of the surface of the first perforated acoustic board 8 is provided with a plurality of countersunk holes 12, the outer walls of the two sides of the second perforated acoustic board 9 are symmetrically provided with screw holes 13, and the screw holes 13 correspond to the countersunk holes 12;
it should be noted that, by using a screw to pass through the counter bore 12 and then be screwed with the screw hole 13, the first perforated acoustic panel 8 and the second perforated acoustic panel 9 are conveniently spliced together.
As shown in fig. 5, a plurality of projections 11 are provided inside the sound absorbing holes 10, and the projections 11 are integrally formed with the first perforated sound absorbing plate 8 and the second perforated sound absorbing plate 9, respectively;
By providing a plurality of projections 11 inside the sound absorbing hole 10, the refraction of the sound wave is increased, thereby improving the noise reduction effect.
As shown in fig. 1 and 7, a noise reduction loudspeaker 15 is mounted on the lower surface of the box cover 14, the noise reduction loudspeaker 15 corresponds to the fan mounting cavity 4, a threading hole 16 is formed in the position, corresponding to the noise reduction loudspeaker 15, of the box cover 14, and the aperture of the threading hole 16 is 2.5-3cm;
It should be noted that, through the external control system of noise reduction megaphone 15, make noise reduction megaphone 15 gather the noise that produces in the fan working process at first, transmit noise signal and carry control system in discernment, control system can gather and discern noise signal's frequency to produce a signal opposite to noise signal, and play out through noise reduction megaphone 15, utilize the mode of initiatively making an uproar to reduce to handle the noise that the fan transmitted out, can further improve the effect of making an uproar.
As shown in fig. 3, the outer lining layer 6 and the inner lining layer 7 are welded and connected, and the outer lining layer 6 and the inner lining layer 7 are made of stainless steel;
The case 1 is provided with a sandwich structure by combining the outer liner layer 6 and the inner liner layer 7, and thus the noise reduction effect of the case 1 itself can be improved.
When in use: the box body 1 is arranged to be of a sandwich structure by utilizing the combination of the outer lining layer 6 and the inner lining layer 7, so that the noise reduction effect of the box body 1 can be improved, meanwhile, the passive noise reduction mechanism is filled in the inner side of the sandwich structure, firstly, noise generated in the working process of the inner side part of the box body 1 is eliminated by utilizing the soundproof cotton 17 forming the noise reduction mechanism, the soundproof cotton 17 is of a multi-fiber structure, sound waves pass through countless fibers when passing through cotton, mutually overlapped and collided, the sound wave energy is converted into heat energy, the sound wave intensity is weakened, then the noise passing through the soundproof cotton 17 is absorbed again through the sound absorption holes 10 formed by the first perforated sound absorption plate 8 and the second perforated sound absorption plate 9, after the sound wave is transmitted to the inner side of the sound absorption holes 10, the sound wave is emitted through the protruding blocks 11, so that sound waves repeatedly vibrate in the inner side of the sound absorption holes 10, the sound energy is converted into heat energy, and the noise reduction effect of the direct expansion type fresh air purification all-in one machine can be improved, the direct expansion type fresh air purification all-in one machine is used for introducing air through the air inlet 2, then the air is used for pressurizing through the fan on the inner side of the fan installation cavity 4, then the fresh air is filtered through the primary effect filtration, the secondary effect filtration and the high efficiency filtration are conducted, and then fresh air is purified through the air outlet 3.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (7)
1. The utility model provides a straight new trend purification all-in-one that expands, includes box (1), the connection of switch-on is in air intake (2) and air outlet (3) at box (1) both ends, set up fan installation cavity (4) of box (1) inboard install evaporator (5) of fan installation cavity (4) one side, its characterized in that: the box body (1) consists of an outer lining layer (6) and an inner lining layer (7);
A cavity is arranged between the outer lining layer (6) and the inner lining layer (7), and a passive noise reduction mechanism is arranged on the inner side of the cavity;
The passive noise reduction mechanism comprises a first perforated acoustic board (8) symmetrically arranged at the inner side of the cavity, a second perforated acoustic board (9) spliced and connected with the first perforated acoustic board (8), acoustic holes (10) formed in the surfaces of the first perforated acoustic board (8) and the second perforated acoustic board (9) in an array mode, protruding blocks (11) arranged at the inner side of the acoustic holes (10) and in an irregular shape, and soundproof cotton (17) compositely bonded on the inner vertical surfaces of the first perforated acoustic board (8) and the second perforated acoustic board (9);
a top opening of the box body (1) is provided with a box cover (14).
2. The direct expansion fresh air purification all-in-one machine according to claim 1, wherein: counter sunk holes (12) are formed in the edge of the surface of the first perforated sound-absorbing plate (8), and the counter sunk holes (12) are symmetrically formed in a plurality of.
3. The direct expansion fresh air purification all-in-one machine according to claim 2, wherein: screw holes (13) are symmetrically formed in the outer walls of the two sides of the second perforated sound absorbing plate (9), and the screw holes (13) correspond to the counter sunk holes (12).
4. The direct expansion fresh air purification all-in-one machine according to claim 1, wherein: the lugs (11) are arranged on the inner sides of the sound absorbing holes (10), and the lugs (11) and the first perforated sound absorbing plate (8) and the second perforated sound absorbing plate (9) are respectively in an integrated structure.
5. The direct expansion fresh air purification all-in-one machine according to claim 1, wherein: the lower surface of the box cover (14) is provided with a noise reduction loudspeaker (15), and the noise reduction loudspeaker (15) corresponds to the fan installation cavity (4).
6. The direct expansion fresh air purification all-in-one machine according to claim 5, wherein: the box cover (14) is provided with a threading hole (16) at a position corresponding to the noise reduction loudspeaker (15), and the aperture of the threading hole (16) is 2.5-3cm.
7. The direct expansion fresh air purification all-in-one machine according to claim 1, wherein: the outer lining layer (6) is welded with the inner lining layer (7), and the outer lining layer (6) and the inner lining layer (7) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637178.4U CN220911599U (en) | 2023-09-27 | 2023-09-27 | Direct expansion type fresh air purifying all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637178.4U CN220911599U (en) | 2023-09-27 | 2023-09-27 | Direct expansion type fresh air purifying all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220911599U true CN220911599U (en) | 2024-05-07 |
Family
ID=90907728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322637178.4U Active CN220911599U (en) | 2023-09-27 | 2023-09-27 | Direct expansion type fresh air purifying all-in-one machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220911599U (en) |
-
2023
- 2023-09-27 CN CN202322637178.4U patent/CN220911599U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220911599U (en) | Direct expansion type fresh air purifying all-in-one machine | |
| CN216554056U (en) | Novel diesel generating set amortization device | |
| CN106468045A (en) | A kind of elastic damping formula railway metal sound barrier and combinations thereof device | |
| CN211319916U (en) | Sound absorption and insulation plate for low-frequency noise of transformer | |
| CN213776307U (en) | Noise reduction type gear box cover | |
| CN213334903U (en) | Noise reduction device for refrigeration air conditioner | |
| CN212057815U (en) | Screw type water chilling unit with silencer | |
| CN211808252U (en) | Damping noise reduction plate | |
| CN211874126U (en) | Noise-proof fence for road engineering | |
| CN210536127U (en) | Automatically controlled cabinet with dust fall function of making an uproar falls | |
| CN210140783U (en) | High-speed railway sound barrier | |
| CN215062263U (en) | Range hood's quick-witted case and range hood | |
| CN103046482A (en) | Aluminum perforated sound-absorption and insulation plate | |
| CN207819886U (en) | A kind of frequency modulation transmitter noise-decreasing device | |
| CN210438432U (en) | Noise reduction structure of water purifier | |
| CN221095478U (en) | Dedicated sound insulation wallboard of building | |
| CN211597896U (en) | Equipment room with noise reduction function | |
| CN219605502U (en) | Noise reduction device for natural gas compressor | |
| CN210421475U (en) | Module assembling type double-sided sound barrier for workshop | |
| CN217333823U (en) | Box type sound insulation reactor | |
| CN217926079U (en) | Mute type container body of container type generator set | |
| CN215802429U (en) | Wall body of noise reduction is inhaled in high-efficient sound insulation | |
| CN218846463U (en) | Face shell subassembly and gas heater | |
| CN215578141U (en) | Noise reduction processing device for 110kV transformer | |
| CN218598082U (en) | Multilayer laminated sound-absorbing dry-laminated glass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |