CN207123049U - A kind of noise reduction spout plenum chamber - Google Patents
A kind of noise reduction spout plenum chamber Download PDFInfo
- Publication number
- CN207123049U CN207123049U CN201720217975.9U CN201720217975U CN207123049U CN 207123049 U CN207123049 U CN 207123049U CN 201720217975 U CN201720217975 U CN 201720217975U CN 207123049 U CN207123049 U CN 207123049U
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- Prior art keywords
- plenum chamber
- deep bead
- air
- noise reduction
- inwall
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Abstract
The utility model discloses a kind of noise reduction spout plenum chamber, belong to HVAC field, its drip irrigation device is, including Ball shape nozzle and plenum chamber, plenum chamber is provided with air inlet and air outlet, Ball shape nozzle is connected on plenum chamber at air outlet, Ball shape nozzle includes ball and hollow shell, ball is shaped as the parallel hollow ball clipped after two spheres, the deep bead for changing airflow direction is connected with plenum chamber, deep bead is between air inlet and air outlet, deep bead tilts to the direction of air outlet, the width of baffle plate wind is more than the diameter of air inlet, the length of deep bead is identical with the width of static pressure chamber interior wall.
Description
Technical field
A kind of air-conditioning system is the utility model is related to, more particularly to a kind of noise reduction spout plenum chamber.
Background technology
When air conditioning air outlet and larger personnel activity's range distance, spout is usually installed at air port so that air-flow is equably
Farther distance is conveyed, to solve the problems, such as the air-supply of Far Range.But because the spout of prior art is often directly installed on wind
Dynamic pressure static pressure imbalance is easily caused at mouthful, nozzle does not stop to rotate so that air-flow is uneven, produces larger noise and air-supply effect
Difference, by the way that nozzle is connected with plenum chamber, air-supply efficiency can be improved.For example, Publication No. CN2634364Y Chinese patent
A kind of jet port air blowing type air conditioner group is disclosed, including blowing type air conditioner group and plenum chamber, plenum chamber are connected with Ball shape nozzle,
Not only increase air-supply efficiency, and can be by manual setting air supply direction, but due to that can be produced when air stream crosses plenum chamber
Raw certain noise so that require higher place Jing Yin, this kind of jet port air blowing type air conditioner group can not meet demand, therefore
How to reduce noise caused by air flow in plenum chamber turns into and must solve the problems, such as, quiet often through extending in real process
The ventilation length of case is pressed to increase air-flow distance to reduce noise, causes to need to take greater room and what cost improved asks
Topic.
Utility model content
The purpose of this utility model is to overcome above-mentioned problem of the prior art, there is provided a kind of noise reduction spout plenum chamber, energy
Blast is enough balanced to produce stably air-flow.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of noise reduction spout static pressure
Case, including Ball shape nozzle, the Ball shape nozzle are connected on plenum chamber, and the Ball shape nozzle includes ball and hollow outer
Shell, plenum chamber are provided with air inlet and air outlet, and the Ball shape nozzle is connected on plenum chamber at air outlet, the static pressure
Some deep beads for being used to change airflow direction are connected with case, one end of some deep beads is cross-linked on plenum chamber
On the inwall of opposite sides, between air inlet and air outlet, the deep bead inclines the deep bead to the direction of air outlet
Tiltedly, the deep bead leaves the gap one that air feed passes through between one end of static pressure chamber interior wall and static pressure chamber interior wall.
Pass through above-mentioned technical proposal, change air current flow direction, increase gas flowing to the inclined deep bead of air-out direction
Distance so that the air-flow for flowing to plenum chamber from air inlet does not have direct level to flow to air outlet, but in some deep beads not
Under disconnected stop, airflow direction is switched to upwardly or downwardly by level so that dynamic pressure is changed into the ratio increase of static pressure, so as to improve
The uniformity of air-out, reduce gas stream in plenum chamber it is dynamic caused by noise.
Further, at least provided with 2, the adjacent deep bead is cross-linked on plenum chamber described deep bead
On the inwall of opposite sides.
By such scheme, multiple deep beads are staggered in plenum chamber opposite sides so that gas flow direction is passed through
After being varied multiple times, the distance of gas flowing is extended, reduces the dynamic caused noise of gas stream in plenum chamber.
Further, the deep bead on the plenum chamber close to air inlet one end is to adjust deep bead, on the plenum chamber
Air intake direction is provided with some necks two being parallel to each other for being used for embedded regulation deep bead, the both sides of neck two are respectively provided with
There is screwed hole, the regulation deep bead is provided with the threaded rod to match with screwed hole, the regulation close to the side of plenum chamber
It is threaded in deep bead insertion neck two and by threaded rod in screwed hole.
Pass through above-mentioned technical proposal, plenum chamber set different necks two and neck two on plenum chamber relative one along air intake direction
The deep bead distance of side is different, is embedded in by that will adjust deep bead in different necks two, can to adjust deep bead with it is quiet
The adjacent deep bead distance of the opposite side of neck two on case is pressed, changes wind air channel between regulation deep bead and deep bead
Size, and then the regulation to air quantity can be realized, fixed and regulation regulation deep bead mesh is played by threaded rod and screwed hole
's.
Further, described deep bead is polyethylene terephthalate plate.
Pass through above-mentioned technical proposal, polyethylene terephthalate plate have good mechanical performance, hardness and intensity
It is higher, and there is preferable pliability and wearability, reduce in deep bead moving process is adjusted easily with plenum chamber friction and
Impaired situation.
Further, the inner side of described plenum chamber is provided with sound-absorbing spongy layer.
Pass through above-mentioned technical proposal, sound-absorbing spongy layer is set to cause plenum chamber to play the role of noise elimination in the inner side of plenum chamber,
Vibrating noise caused by air-flow can be effectively reduced.Can full of small spaces and half open-celled structure by sound-absorbing spongy layer
A large amount of acoustic wave energies are absorbed, make SATT, there are good sound absorption qualities.
Further, described side of the sound-absorbing spongy layer away from plenum chamber is provided with polyurethane water-proof layer.
Pass through above-mentioned technical proposal so that sound-absorbing spongy layer has waterproof and dampproof effect, reduces because of sound-absorbing spongy layer
Easy moisture absorption and corruption of making moist the occurrence of, extend the useful life of sound-absorbing spongy layer.
In summary, the utility model has the advantages that：
By single or multiple settings to the inclined deep bead of air-out direction, change air current flow direction, increase gas
Body flow distance, the uniformity of air-out is improved, reduce the dynamic caused noise of gas stream in plenum chamber；
By the setting for adjusting deep bead and some necks being adapted to regulation deep bead so that can be kept out the wind by regulation
The distance between plate adjusts air quantity；
Pass through the setting of sound-absorbing sponge and polyurethane water-proof layer so that plenum chamber has sound-absorbing effect, reduces noise.
Brief description of the drawings
Fig. 1 is the structural representation for being used to embody Ball shape nozzle and plenum chamber in embodiment 1；
Fig. 2 is the connection relationship diagram for being used to embody deep bead and plenum chamber in embodiment 1；
Fig. 3 is the profile of A-A in Fig. 2；
Fig. 4 is the enlarged drawing in A portions in Fig. 3；
Fig. 5 is the connection relationship diagram of sound-absorbing spongy layer and polyurethane water-proof layer in embodiment 1；
Fig. 6 be the plenum chamber of embodiment 2 in air inlet upward when structural representation；
Fig. 7 is Fig. 6 section and sectional view after being rotated by 90 ° at the B-B；
Fig. 8 is B portions enlarged drawing in Fig. 7.
In figure, 1, Ball shape nozzle；11st, ball；12nd, hollow shell；13rd, bellows；14th, guide duct；2nd, plenum chamber；
21st, air inlet；22nd, air outlet；3rd, deep bead；31st, deep bead is adjusted；311st, connecting plate；4th, neck two；5th, connecting tube；51st, block
Groove；52nd, filter；53rd, groove；54th, sealing ring；6th, sound-absorbing spongy layer；61st, polyurethane water-proof layer；7th, threaded rod；71st, screw thread
Hole；8th, gap one；81st, gap two.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：A kind of noise reduction spout plenum chamber, as shown in figs. 1 and 3, including plenum chamber 2, on plenum chamber 2 one end be into
Air port 21, the other end are air outlet 22, are provided with connecting tube 5 at the air outlet 22 of plenum chamber 2, connecting tube 5 is provided with 3, often
Individual connecting tube 5 is respectively connected with 1 Ball shape nozzle 1, and connecting tube 5 has the external diameter to match with the internal diameter of Ball shape nozzle 1, Ball shape nozzle
1 is threadedly attached in connecting tube 5.
As shown in figs. 1 and 3, Ball shape nozzle 1 includes ball 11 and hollow shell 12, and ball 11 is shaped as sky
Bulbus cordis body and two spheres of ball 11 are clipped by parallel, the diameter of ball 11 are more than the one end open of hollow shell 12
Aperture so that ball 11 is stuck in hollow shell 12, and can by the angle of manual adjustment ball 11, and then
Adjust wind direction.
As shown in Figures 3 and 4, connecting tube 5 is provided with neck 1 in one end close to hollow shell 12, in neck 1
Embedded with filter 52, filter 52 is located at air outlet 22, the pollutant such as dust that can be crossed in air filtering so that the sky of discharge
Gas is cleaner, and hollow shell 12 is provided with the groove 53 of annular in one end away from Ball shape nozzle 11, and groove 53 is embedded with close
Seal 54, the side of sealing ring 54 are embedded in groove 53, and opposite side contradicts with filter 52, enhances connecting tube 5 and hollow shell
Sealing between 12.
As shown in Fig. 2,3 and 4, ball 11 close to plenum chamber 2 one end set bellows 13, bellows 13
External diameter and the aperture of ball 11 match so that in the one end of bellows 13 insertion ball 11, the other end is fixedly connected
There is guide duct 14, the section of guide duct 14 is trapezoidal, and the one end open close to bellows 13 is smaller, and one away from bellows 13
End opening is larger, and the one end of guide duct 14 away from bellows 13 is fixedly connected on hollow shell 12.
As shown in figure 3, plenum chamber 2 is provided with deep bead 3 in the adjacent side of air inlet 21, deep bead 3 is to air outlet 22
Direction tilt, deep bead 3 leaves confession between the remote side of side and plenum chamber 2 away from deep bead 3 connected plenum chamber 2
The gap 8 that wind passes through, the length of deep bead 3 is identical with the width of the inner chamber of plenum chamber 2, and the width of deep bead 3 is longer than air inlet
21 width so that air-flow flows into plenum chamber 2 in the horizontal direction from air inlet 21, under the stop of deep bead 3, airflow direction by
Level switchs to upwards, and then under the stop of plenum chamber 2, the gap between deep bead 3 and plenum chamber 2 passes through then oblique
The lower direction towards air outlet 22 is flowed, and increases the distance of gas flowing, improves the uniformity of air-out, reduces equipment operation
Noise.
As shown in figure 5, the inner side of plenum chamber 2 is provided with sound-absorbing spongy layer 6 so that plenum chamber 2 plays the role of noise elimination, can
Vibrating noise caused by air-flow is effectively reduced, side of the sound-absorbing spongy layer 6 away from plenum chamber 2 is provided with polyurethane water-proof layer
61 so that sound-absorbing spongy layer 6 has moistureproof effect, reduces the situation for corruption of being made moist because of the 6 easy moisture absorption of sound-absorbing spongy layer
Occur, extend the useful life of sound-absorbing spongy layer 6.
Embodiment 2：A kind of noise reduction spout plenum chamber, is with the difference of embodiment 1, as described in Fig. 6,7 and 8, gear
Aerofoil 3 is at least provided with 2, and in the present embodiment, deep bead 3 is provided with 3, and adjacent deep bead 3 is cross-linked in plenum chamber 2
On the inwall of upper opposite sides, the gap 2 81 that air feed passes through is left between adjacent deep bead 3, be staggered by multiple
Deep bead 3, the distance of gas flowing is extended, reduce the dynamic caused noise of gas stream in plenum chamber 2.Wherein, close to air intake
The deep bead 3 of 21 one end of mouth is regulation deep bead 31, is being set on the inwall of plenum chamber 2 corresponding to regulation deep bead 31 on position
Several necks 24 to match with regulation deep bead 31 are equipped with, 3 is provided with the present embodiment, regulation deep bead 31 is consolidated
Surely the gap 2 81 adjusted between deep bead 31 and adjacent deep bead 3 can be changed by arriving in different necks 24, and then be changed
The purpose of variable air rate, for example, regulation deep bead 31 is moved right, between adjusting between deep bead 31 and adjacent deep bead 3
Gap 2 81 is reduced, and the runner that wind passes through narrows so that air quantity reduces.The both sides of neck 24 are provided with screwed hole 71, and regulation is kept out the wind
The both sides of plate 31 are provided with the connecting plate 311 parallel with the side wall of plenum chamber 2, are provided with connecting plate 311 and the screw thread of screwed hole 71
The threaded rod 7 of connection, by the way that regulation deep bead 31 is embedded in neck 24, then by the screw thread of threaded rod 7 on connecting plate 311
It is connected in screwed hole 71 so that regulation deep bead 31 is stably mounted on plenum chamber 2.And regulation deep bead 31 is using poly-
Ethylene glycol terephthalate plate, there is good intensity, toughness and wearability to make it be not easy to damage during regulation.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (6)
1. a kind of noise reduction spout plenum chamber, including Ball shape nozzle (1) and plenum chamber (2), the plenum chamber (2) are provided with air inlet
(21) and air outlet (22), the Ball shape nozzle (1) are connected to air outlet (22) place on plenum chamber (2), the Ball shape nozzle
(1) ball (11) and hollow shell (12) are included, it is characterized in that：It is connected with the plenum chamber (2) for changing air-flow
The deep bead (3) in direction, one end of the deep bead (3) is connected on the inwall of the adjacent side of air inlet (21), described
Deep bead (3) tilts away from one end of plenum chamber (2) inwall to air outlet (22) direction, and the deep bead (3) deviates from plenum chamber
(2) gap one (8) that air feed passes through is left between one end of inwall and plenum chamber (2) inwall.
2. noise reduction spout plenum chamber according to claim 1, it is characterized in that：The deep bead (3) at least provided with 2,
The adjacent deep bead (3) is cross-linked on plenum chamber (2) on the inwall of opposite sides.
3. noise reduction spout plenum chamber according to claim 1, it is characterized in that：Close to air inlet on the plenum chamber (2)
(21) deep bead (3) of one end is regulation deep bead (31), is provided with the plenum chamber (2) along air intake direction some for embedding
Enter to adjust the neck two (4) of deep bead (31), spiral shell is provided with positioned at neck two (4) both sides on the inwall of the plenum chamber (2)
Pit (71), the regulation deep bead (31) are provided with the screw thread to match with screwed hole (71) close to the side of plenum chamber (2)
Bar (7), the embedded neck two (4) of regulation deep bead (31) is interior and is threaded in by threaded rod (7) in screwed hole (71).
4. noise reduction spout plenum chamber according to claim 3, it is characterized in that：The regulation deep bead (31) is to be poly- to benzene two
Formic acid glycol ester plate.
5. noise reduction spout plenum chamber according to claim 1, it is characterized in that：The inner side of the plenum chamber (2) is provided with sound-absorbing
Spongy layer (6).
6. noise reduction spout plenum chamber according to claim 5, it is characterized in that：The sound-absorbing spongy layer (6) is away from plenum chamber
(2) side is provided with polyurethane water-proof layer (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720217975.9U CN207123049U (en) | 2017-03-07 | 2017-03-07 | A kind of noise reduction spout plenum chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720217975.9U CN207123049U (en) | 2017-03-07 | 2017-03-07 | A kind of noise reduction spout plenum chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207123049U true CN207123049U (en) | 2018-03-20 |
Family
ID=61614384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720217975.9U Expired - Fee Related CN207123049U (en) | 2017-03-07 | 2017-03-07 | A kind of noise reduction spout plenum chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207123049U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571457A (en) * | 2018-05-27 | 2018-09-25 | 东莞市兴东电子有限公司 | A kind of air blower with wind-force buffer unit |
| CN112665169A (en) * | 2020-12-31 | 2021-04-16 | 浙江纳风净化技术有限公司 | Air volume distribution static pressure box of fresh air system and installation method thereof |
| CN114935210A (en) * | 2022-06-20 | 2022-08-23 | 哈尔滨工程大学船舶装备科技有限公司 | Active and passive composite noise reduction static pressure box for train air conditioning system |
| WO2023232508A1 (en) * | 2022-05-30 | 2023-12-07 | Bdr Thermea Group B.V. | An acoustic baffle for an exhaust duct of a heat pump system |
| EP4350243A1 (en) * | 2022-10-04 | 2024-04-10 | BDR Thermea Group B.V. | An acoustic baffle for an exhaust duct of a heat pump system |
-
2017
- 2017-03-07 CN CN201720217975.9U patent/CN207123049U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571457A (en) * | 2018-05-27 | 2018-09-25 | 东莞市兴东电子有限公司 | A kind of air blower with wind-force buffer unit |
| CN112665169A (en) * | 2020-12-31 | 2021-04-16 | 浙江纳风净化技术有限公司 | Air volume distribution static pressure box of fresh air system and installation method thereof |
| CN112665169B (en) * | 2020-12-31 | 2024-04-19 | 浙江纳风净化技术有限公司 | Air distribution static pressure box of fresh air system and installation method thereof |
| WO2023232508A1 (en) * | 2022-05-30 | 2023-12-07 | Bdr Thermea Group B.V. | An acoustic baffle for an exhaust duct of a heat pump system |
| CN114935210A (en) * | 2022-06-20 | 2022-08-23 | 哈尔滨工程大学船舶装备科技有限公司 | Active and passive composite noise reduction static pressure box for train air conditioning system |
| EP4350243A1 (en) * | 2022-10-04 | 2024-04-10 | BDR Thermea Group B.V. | An acoustic baffle for an exhaust duct of a heat pump system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180320 Termination date: 20200307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |