CN209295408U - A kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure - Google Patents

Abstract

The utility model provides a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure, comprising: the first noise elimination mechanism, hush pipe, the second noise elimination mechanism, air outlet box, air outlet, side plate, baffle, fixed plate, noise reduction tube body, the first muffler plate, the second muffler plate, third muffler plate；The inside left of the air outlet box is provided with the first noise elimination mechanism, and first noise elimination mechanism one end is connected by bolt with the side wall of air outlet box；The utility model passes through the improvement to a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure, with air outlet absorbing sound and lowering noise mechanism, reflection dispersion can be carried out to the air-flow for entering in ventilation shaft outlet air window and sending out, weaken the flow velocity of gas, change the waveform for the sound wave that air-flow generates, and keep sound wave reflective distance shorter, shorten the superposition abatement used time, the advantages of noise of discharge air-flow can quickly be eliminated, improve noise elimination effect and using effect, is to the problem and deficiency in effective solution existing apparatus.

Description

A kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure

Technical field

The utility model relates to silencing apparatus technical fields, more specifically, more particularly to a kind of Heating,Ventilating and Air Conditioning ventilation knot The dedicated silencing apparatus of structure.

Background technique

Heating,Ventilating and Air Conditioning is the air conditioner with heating, ventilation and air conditioning function, three major functions of Heating,Ventilating and Air Conditioning Heating, ventilation and air conditioning can be interrelated, and the purpose is to provide easypro under reasonable installation, operating and maintenance cost Thermophilic degree and indoor air quality appropriate, heating ventilation air-conditioning system provide ventilation function, can be reduced air penetration, maintain indoor and outdoor Or the pressure dependence between chummery, the characteristic that air flows into or from room are not referred to as indoor air distribution.

In modern building, above-mentioned function (including design and installation of its control system and system) can be incorporated into one In a or multiple heating ventilation air-conditioning system, Heating,Ventilating and Air Conditioning aeration structure is vital link, it is related to room air product The efficiency of matter, the thermal comfort of personnel and air-conditioning ventilation system.

Heating,Ventilating and Air Conditioning ventilating system in the process of running, can generate certain noise, influence the living environment and work of people Make environment, currently, the mode of reduction air-conditioning system aeration structure exhaust noise is in many cases, it is all on blower gas exhaust piping Muffler is installed, although can have the function that noise reduction sound-deadening, noise elimination effect is undesirable, and gas spreads discharge in ventilation shaft During still can generate strong impact force, the impact force generated can generate noise in ventilation opening, influence the work of people Make and live, noise elimination effect is bad, is unable to satisfy the use demand of people.

In view of this, being studied improvement for existing problem, a kind of dedicated noise elimination of Heating,Ventilating and Air Conditioning aeration structure is provided Device, it is intended to by the technology, achieve the purpose that solve the problems, such as and improve practical value.

Utility model content

The purpose of this utility model is to provide a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure, to solve above-mentioned back What is proposed in scape technology only installs silencer on blower gas exhaust piping, cannot carry out to the impact force that gas at ventilation opening generates The problem of absorbing sound and lowering noise, noise elimination effect is bad, is unable to satisfy the use demand of user and deficiency.

To achieve the above object, the utility model provides a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure, by with Lower particular technique means are reached:

A kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure, comprising: the first noise elimination mechanism, hush pipe, the second noise damping device Structure, air outlet box, air outlet, side plate, baffle, fixed plate, noise reduction tube body, the first muffler plate, the second muffler plate, third muffler plate； The inside left of the air outlet box is provided with the first noise elimination mechanism, and first noise elimination mechanism one end passes through the side of bolt and air outlet box Wall is connected；The inner right side of the air outlet box is provided with the second noise elimination mechanism, and one end of the second noise elimination mechanism passes through bolt It is connected with the side wall of air outlet box；Hush pipe, and hush pipe are provided between first noise elimination mechanism and the second noise elimination mechanism Both ends be connected respectively with the first noise elimination mechanism and the second noise elimination mechanism by bolt；First noise elimination mechanism disappears with second The bottom end of sound mechanism is provided with the baffle of ︹ shape, and baffle is connected by bolt with air outlet box；The bottom of the air outlet box Offer air outlet；Side plate is provided on the left of the air outlet box, and side plate is connected by bolt with air outlet box；Described first Noise elimination mechanism and the second noise elimination mechanism are by fixed plate, noise reduction tube body, the first muffler plate, the second muffler plate and third muffler plate structure At；The noise reduction tube body is arranged in oblong, and the fixed plate of oblong is provided on one end outer wall of noise reduction tube body；It is described to disappear The sound tube body other end is internally provided with petal-like third muffler plate, and third muffler plate and noise reduction tube body are integral type knot Structure；The middle position of the noise reduction tube wall is provided with the first muffler plate, and the first muffler plate and noise reduction tube body are integral type Structure；The second muffler plate is provided on the inside of first muffler plate, and the second muffler plate passes through bolt and air outlet box and baffle It is connected.

As advanced optimizing for the technical program, a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure of the utility model The noise reduction tube body is divided into left and right two parts by the setting of the first muffler plate, and offers on the tube wall held in vitro of hush pipe more Locate bloop.

As advanced optimizing for the technical program, a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure of the utility model First muffler plate and the second muffler plate are in oblong setting, and the length of the first muffler plate outer profile and the second muffler plate The length of Internal periphery is identical.

As advanced optimizing for the technical program, a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure of the utility model The hush pipe is in equilateral triangle to be disposed at three.

As advanced optimizing for the technical program, a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure of the utility model The middle position of the baffle offers rectangular-shaped ventilation opening, and the top end face of baffle and bottom face are equipped with bulge shape Egg acoustical cotton.

As advanced optimizing for the technical program, a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure of the utility model The left and right sides of the air outlet box offers the ventilation opening of round respectively, and is equipped with glass on the inner wall of air outlet box and side plate Glass fiber acoustical cotton.

As advanced optimizing for the technical program, a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure of the utility model

Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art

1, a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure of the utility model is disappeared by the first noise elimination mechanism with second The setting of sound mechanism can not only absorb partial noise, moreover it is possible to carry out reflection dispersion to the air-flow for entering and sending out, weaken gas Flow velocity, changes the waveform for the sound wave that air-flow generates, and keeps sound wave reflective distance shorter, shortens the superposition abatement used time, to make to make an uproar Sound, which is decayed rapidly, realizes erasure effect.

2, a kind of noise reduction that the dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure passes through triangular arranged of the utility model The setting of pipe, can slow down the impact dynamics of air-flow when air-flow goes out bellows, and change acoustic waveform, play superposition noise reduction and make With the sound wave of elimination discharge air-flow reduces noise pollution, improves noise elimination effect, meet the use demand of people.

3, a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure of the utility model is by the setting of baffle, absorbs by the The residual acoustic waves of one noise elimination mechanism and hush pipe reflection dispersion, achieve the effect that depth noise reduction, further improve noise reduction component Using effect.

4, the utility model by the improvement to a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure there is air outlet to inhale Sound noise reducing mechanism can carry out reflection dispersion to the air-flow for entering in ventilation shaft outlet air window and sending out, weaken the flow velocity of gas, Change the waveform for the sound wave that air-flow generates, and keep sound wave reflective distance shorter, shortens the superposition abatement used time, can quickly eliminate discharge The noise of air-flow, improve noise elimination effect and the advantages of using effect, so that effective solution the utility model is in background technique The problem of being proposed in one and deficiency.

Detailed description of the invention

The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing In:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the inside side structure schematic view of the utility model；

Fig. 3 is the axis side structure schematic diagram of the utility model noise elimination mechanism；

Fig. 4 is the axis side structure schematic diagram of the utility model.

In figure: the first noise elimination mechanism 1, hush pipe 2, the second noise elimination mechanism 3, air outlet box 4, air outlet 5, side plate 6, baffle 7, Fixed plate 101, noise reduction tube body 102, the first muffler plate 103, the second muffler plate 104, third muffler plate 105.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two More than a；The instructions such as term " on ", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation Make, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply Relative importance.

Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection " It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect It connects, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the general of this field For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Referring to Figure 1 to Fig. 4, the utility model provides a kind of specific skill of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure Art embodiment:

A kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure, comprising: the first noise elimination mechanism 1, hush pipe 2, second are eliminated the noise Mechanism 3, air outlet box 4, air outlet 5, side plate 6, baffle 7, fixed plate 101, noise reduction tube body 102, the first muffler plate 103, second disappear Sound plate 104, third muffler plate 105；The inside left of air outlet box 4 is provided with the first noise elimination mechanism, and 1 one end of the first noise elimination mechanism It is connected by bolt with the side wall of air outlet box 4；The inner right side of air outlet box 4 is provided with the second noise elimination mechanism 3, and second eliminates the noise One end of mechanism 3 is connected by bolt with the side wall of air outlet box 4；It is arranged between first noise elimination mechanism 1 and the second noise elimination mechanism 3 There is hush pipe 2, and the both ends of hush pipe 2 are connected with the first noise elimination mechanism 1 and the second noise elimination mechanism 3 respectively by bolt；The The bottom end of one noise elimination mechanism 1 and the second noise elimination mechanism 3 is provided with the baffle 7 of ︹ shape, and baffle 7 passes through bolt and air outlet box 4 It is connected；The bottom of air outlet box 4 offers air outlet；The left side of air outlet box 4 is provided with side plate 6, and side plate 6 by bolt and goes out Bellows 4 are connected；First noise elimination mechanism 1 and the second noise elimination mechanism 3 are by fixed plate 101, noise reduction tube body 102, the first muffler plate 103, the second muffler plate 104 and third muffler plate 105 are constituted；Noise reduction tube body 102 is arranged in oblong, and noise reduction tube body 102 The fixed plate 101 of oblong is provided on the outer wall of one end；The petal-like third that is internally provided with of 102 other end of noise reduction tube body disappears Sound plate 105, and third muffler plate 105 is an integral structure with noise reduction tube body 102；The interposition of 102 outer wall of noise reduction tube body installs It is equipped with the first muffler plate 103, and the first muffler plate 103 is an integral structure with noise reduction tube body 102；First muffler plate 103 it is interior Side is provided with the second muffler plate 104, and the second muffler plate 104 is connected by bolt with air outlet box 4 and baffle 7.

Specifically, as shown in Fig. 2, noise reduction tube body 102 is divided into left and right two parts by the setting of the first muffler plate 103, and Many places bloop is offered on the tube wall of 102 outer end of noise reduction tube body, cooperation third muffler plate 105 can be to the gas distribution of entrance Diffusion, and weaken the flow velocity of gas, change the waveform for the sound wave that gas generates, noise reduction can be reached and reduce the effect of gas shock Fruit.

Specifically, as shown in Figure 2 or Figure 3, the first muffler plate 103 and the second muffler plate 104 are arranged in oblong, and the The length of one muffler plate, 103 outer profile is identical as the length of 104 Internal periphery of the second muffler plate, can carry out the gas of diffusion twice Reflection is slowed down, so that sound wave reflective distance is shorter, the superposition abatement used time is short, can play the role of quick noise reduction.

It is disposed at three specifically, hush pipe 2 is in equilateral triangle, air-flow can be slowed down when air-flow goes out bellows 4 Impact dynamics, and change sound wave, absorb noise, further improve the using effect of sound attenuation assembly.

Specifically, as shown in Figure 1, the middle position of baffle 7 offers rectangular-shaped ventilation opening, and the top end face of baffle 7 The egg silencing cotton of bulge shape is equipped with bottom face, can absorb by the first noise elimination mechanism 1 and the second noise elimination mechanism 3 and The residual acoustic waves of the reflection dispersion of hush pipe 2, achieve the effect that depth noise reduction.

Specifically, as shown in Figure 1, the left and right sides of air outlet box 4 offers the ventilation opening of round, and air outlet box 4 respectively With on the inner wall of side plate 6 it is equipped with glass fibre silencing cotton, can absorb and weaken after being superimposed by noise reduction component multiple reflections Sound wave improves filter function, reaches preferably erasure effect.

Specific implementation step:

When using the device, sound attenuation assembly is mounted on to the inside of Heating,Ventilating and Air Conditioning ventilation shaft indoor hoisting air outlet box 4, is disappeared Sound component is by the first noise elimination mechanism 1, the second noise elimination mechanism 3 and positioned at 3 middle position of the first noise elimination mechanism 1 and the second noise elimination mechanism Hush pipe 2 and the baffle 7 of bottom constitute, many places bloop is offered on the tube wall of 102 outer end of noise reduction tube body, cooperation third disappears Sound plate 105 can spread the gas distribution of entrance, and weaken the flow velocity of gas, change the waveform for the sound wave that gas generates, can reach To noise reduction and reduce the effect of gas shock, the first noise elimination mechanism 1 and the second noise elimination mechanism 3 by noise reduction tube body 102, hush pipe The third muffler plate 105 of 102 inside one end of body and the first muffler plate that linear array on the outside of 102 tube wall of noise reduction tube body is set 103 and second muffler plate 104 constitute, the first muffler plate 103 and the second muffler plate 104 are arranged in oblong, and the first noise elimination The length of 103 outer profile of plate is identical as the length of 104 Internal periphery of the second muffler plate, the gas of diffusion can be carried out two secondary reflections and subtracted Speed, so that sound wave reflective distance is shorter, the superposition abatement used time is short, can play the role of quick noise reduction, and hush pipe 2 is in equilateral triangle Shape is disposed at three, can slow down the impact dynamics of air-flow when air-flow goes out bellows 4, and changes sound wave, absorbs noise, The baffle 7 of bottom setting can absorb the remnants by the first noise elimination mechanism 1 and the second noise elimination mechanism 3 and the reflection dispersion of hush pipe 2 Sound wave achievees the effect that depth noise reduction, and people is made to be in comfortable, in noiseless life and working environment, further satisfaction The use demand of user.

In summary: a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure is disappeared by the first noise elimination mechanism with second The setting of sound mechanism can not only absorb partial noise, moreover it is possible to carry out reflection dispersion to the air-flow for entering and sending out, weaken gas Flow velocity, changes the waveform for the sound wave that air-flow generates, and keeps sound wave reflective distance shorter, and the superposition abatement used time is short, to make noise Decaying realizes that erasure effect can slow down by the setting of the hush pipe of triangular arranged when air-flow goes out bellows rapidly The impact dynamics of air-flow, and change acoustic waveform, superposition sound deadening is played, the sound wave of discharge air-flow is eliminated, it is dirty to reduce noise Dye improves noise elimination effect, meets the use demand of people, by the setting of baffle, absorbs and passes through the first noise elimination mechanism and noise reduction The residual acoustic waves of pipe reflection dispersion, achieve the effect that depth noise reduction, further improve the using effect of noise reduction component, solve Silencer only is installed on blower gas exhaust piping, absorbing sound and lowering noise cannot be carried out to the impact force that gas at ventilation opening generates, eliminated the noise It is ineffective, the problem of being unable to satisfy the use demand of user.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure, comprising: the first noise elimination mechanism (1), hush pipe (2), second disappear Sound mechanism (3), air outlet box (4), air outlet (5), side plate (6), baffle (7), fixed plate (101), noise reduction tube body (102), first Muffler plate (103), the second muffler plate (104), third muffler plate (105)；It is characterized by: the inside of the air outlet box (4) is left Side is provided with the first noise elimination mechanism, and first noise elimination mechanism (1) one end is connected by bolt with the side wall of air outlet box (4)；Institute The inner right side for stating air outlet box (4) is provided with the second noise elimination mechanism (3), and one end of the second noise elimination mechanism (3) by bolt with The side wall of air outlet box (4) is connected；Hush pipe is provided between first noise elimination mechanism (1) and the second noise elimination mechanism (3) (2), and the both ends of hush pipe (2) are connected with the first noise elimination mechanism (1) and the second noise elimination mechanism (3) respectively by bolt；Institute The bottom end for stating the first noise elimination mechanism (1) and the second noise elimination mechanism (3) is provided with the baffle (7) of ︹ shape, and baffle (7) passes through spiral shell Bolt is connected with air outlet box (4)；The bottom of the air outlet box (4) offers air outlet；It is provided on the left of the air outlet box (4) Side plate (6), and side plate (6) is connected by bolt with air outlet box (4)；First noise elimination mechanism (1) and the second noise elimination mechanism (3) by fixed plate (101), noise reduction tube body (102), the first muffler plate (103), the second muffler plate (104) and third muffler plate (105) it constitutes；The noise reduction tube body (102) is arranged in oblong, and is provided on one end outer wall of noise reduction tube body (102) oval The fixed plate (101) of shape；Noise reduction tube body (102) other end is internally provided with petal-like third muffler plate (105), and Third muffler plate (105) is an integral structure with noise reduction tube body (102)；The interposition of noise reduction tube body (102) outer wall installs It is equipped with the first muffler plate (103), and the first muffler plate (103) is an integral structure with noise reduction tube body (102)；Described first eliminates the noise It is provided on the inside of plate (103) the second muffler plate (104), and the second muffler plate (104) passes through bolt and air outlet box (4) and baffle (7) it is connected.

2. a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure according to claim 1, it is characterised in that: the noise reduction Tube body (102) is divided into left and right two parts by the setting of the first muffler plate (103), and on the tube wall of noise reduction tube body (102) outer end Offer many places bloop.

3. a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure according to claim 1, it is characterised in that: described first Muffler plate (103) and the second muffler plate (104) are arranged in oblong, and the length of the first muffler plate (103) outer profile and the The length of two muffler plates (104) Internal periphery is identical.

4. a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure according to claim 1, it is characterised in that: the noise reduction (2) are in equilateral triangle is disposed at three for pipe.

5. a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure according to claim 1, it is characterised in that: the baffle (7) middle position offers rectangular-shaped ventilation opening, and the top end face of baffle (7) and bottom face are equipped with the chicken of bulge shape Egg acoustical cotton.

6. a kind of dedicated silencing apparatus of Heating,Ventilating and Air Conditioning aeration structure according to claim 1, it is characterised in that: the outlet air The left and right sides of case (4) offers the ventilation opening of round respectively, and is equipped on air outlet box (4) and the inner wall of side plate (6) Glass fibre acoustical cotton.