CN216481250U - Mobile air conditioner - Google Patents

Abstract

The utility model discloses a mobile air conditioner, include: a housing provided with an air outlet; the exhaust pipe is arranged on the outer side of the shell; and one end of the silencer is connected with the air outlet, the other end of the silencer is connected with the exhaust pipe, and an expansion cavity for eliminating noise is formed in the silencer. The muffler sets up in the outside of casing, the both ends and the air outlet and the exhaust pipe intercommunication of the muffler of being convenient for like this, and can avoid the muffler to occupy the inside space of casing, in addition, the vibration that the inside device of casing produced and the noise that air outlet department produced can form the sound wave and enter into the expansion chamber, the expansion chamber utilizes the pipe diameter sudden change, make the sound wave take place to reflect and diffract at the expansion intracavity, the wave after reflection and the diffraction can be interfered with the sound wave production that enters into the expansion chamber, thereby can reduce the noise, realize reducing the noise in the exhaust pipe on the propagation way.

Description

Mobile air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner technique and specifically relates to a mobile air conditioner is related to.

Background

In the correlation technique, the air current that mobile air conditioner air outlet department fan produced can produce great noise when the exhaust pipe flows through, and the exhaust pipe part is placed indoor, and it is common that the material that has the sound of inhaling or give sound insulation effect is added to the one deck in exhaust pipe body outside or inner wall.

However, paste syllable-dividing material on the exhaust pipe, can only play noise reduction effect to some frequency channel noises of exhaust pipe to its noise reduction effect is general when syllable-dividing material thickness is not enough, though can reduce the exhaust pipe noise to a certain extent, nevertheless can cause the exhaust pipe bulky, and occupation space is big, installs inconvenient not pleasing to the eye, influences user experience.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a mobile air conditioner, this mobile air conditioner can the noise reduction, realizes reducing the noise in the exhaust pipe on the propagation way.

According to the utility model discloses a mobile air conditioner, include: a housing provided with an air outlet; the exhaust pipe is arranged on the outer side of the shell; and one end of the silencer is connected with the air outlet, the other end of the silencer is connected with the exhaust pipe, and an expansion cavity for eliminating noise is formed in the silencer.

According to the utility model discloses a mobile air conditioner, the muffler sets up in the outside of casing, the both ends and the air outlet and the exhaust pipe intercommunication of the muffler of being convenient for like this, and can avoid the muffler to occupy the inside space of casing, in addition, the noise that vibration and air outlet department that the inside device of casing produced can form the sound wave and enter into the expansion chamber, the expansion chamber utilizes the pipe diameter sudden change, make the sound wave take place to reflect and diffract in the expansion chamber, the wave after reflection and the diffraction can be interfered with the sound wave production that enters into the expansion chamber, thereby can the noise reduction, realize reducing the noise in the exhaust pipe on the propagation way.

In some examples of the invention, the muffler includes: the amortization shell, be formed with in the amortization shell the expansion chamber, in the direction of airing exhaust, the amortization shell includes: the divergent part is arranged at one end, facing the air outlet, of the main shell part, and the divergent part is connected with the air outlet and has a cross section area in the air outlet direction presenting an increasing trend.

In some examples of the invention, the sound attenuation housing further comprises: the convergent portion, the convergent portion set up in the main casing portion orientation the one end of exhaust pipe, the convergent portion with the exhaust pipe is connected and is the diminishing trend at the ascending cross-sectional area of air-out direction.

In some examples of the invention, the muffler further comprises: inhale the sound deadening piece, inhale the sound deadening piece set up in the outside of amortization shell.

In some examples of the present invention, the sound-absorbing and insulating member is annular, an annular groove is formed in the outer peripheral wall of the silencing shell, and the sound-absorbing and insulating member is disposed in the annular groove.

The utility model discloses an in some examples, the amortization shell is corresponding the both ends department of ring channel is provided with first joint portion, first joint portion joint is in inhale the both ends outside of sound insulation.

In some examples of the present invention, the first clamping portion is a plurality of clamping portions, and the first clamping portions are circumferentially spaced apart from each other at both ends of the annular groove.

In some examples of the present invention, the sound-absorbing and sound-insulating member has a strip-shaped opening.

The utility model discloses an in some examples, the air outlet is provided with the flange, the flange is provided with second joint portion, the amortization shell is provided with third joint portion, second joint portion with one in the third joint portion is buckle and another is the draw-in groove, the buckle with the cooperation of draw-in groove joint.

The utility model discloses an in some examples, the amortization shell is provided with fourth joint portion, the exhaust pipe is provided with fifth joint portion, fourth joint portion with one in the fifth joint portion is the buckle and another is the draw-in groove, the buckle with the cooperation of draw-in groove joint.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a mobile air conditioner according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an exploded view of a mobile air conditioner according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is an enlarged view of portion C of FIG. 3;

fig. 6 is a schematic view of the structure of the silencer.

Reference numerals:

1. a mobile air conditioner;

10. a housing; 11. an air outlet; 12. a sixth clamping part; 20. an exhaust duct; 21. a fifth clamping part; 30. a muffler; 31. a sound deadening shell; 310. a divergent section; 311. a main housing portion; 312. a tapered portion; 313. an annular groove; 314. a first clamping part; 315. a third clamping connection part; 316. a fourth clamping part; 32. a sound absorbing and insulating member; 33. a strip-shaped opening; 40. a flange; 41. a second clamping part; 42. a seventh engaging portion.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A mobile air conditioner 1 according to an embodiment of the present invention is described below with reference to fig. 1 to 6.

As shown in fig. 1 and 3, a mobile air conditioner 1 according to an embodiment of the present invention includes: a casing 10, an exhaust duct 20 and a silencer 30. The casing 10 is a main body of the mobile air conditioner 1, and most of the components of the mobile air conditioner 1 are disposed in the casing 10, such as: the casing 10 may protect these components, and the casing 10 may also make the appearance of the mobile air conditioner 1 more integral and concise. The exhaust duct 20 may perform an exhaust function to exhaust the air in the mobile air conditioner 1 to the outside. The silencer 30 can reduce noise generated by the mobile air conditioner 1 during air discharge and vibration.

As shown in fig. 1 and 3, the casing 10 is provided with an outlet 11, and the wind in the mobile air conditioner 1 can be discharged from the outlet 11. The exhaust duct 20 is disposed outside the casing 10, so that the exhaust duct 20 is conveniently disposed, and after the exhaust duct 20 is communicated with the air outlet 11, the air in the mobile air conditioner 1 can be exhausted to the outside.

As shown in fig. 1 and 3, one end of the silencer 30 is connected to the outlet port 11, and the other end of the silencer 30 is connected to the exhaust duct 20, and an expansion chamber for eliminating noise is formed in the silencer 30. That is to say, muffler 30 sets up in the outside of casing 10, the both ends and the air outlet 11 and the exhaust pipe 20 intercommunication of muffler 30 of being convenient for like this, and can avoid muffler 30 to occupy the inside space of casing 10, in addition, the vibration that the inside device of casing 10 produced and the noise that air outlet 11 department produced can form the sound wave and enter into the expansion chamber, the expansion chamber utilizes the pipe diameter sudden change, make the sound wave take place reflection and diffraction at the expansion intracavity, the wave after reflection and diffraction can interfere with the sound wave production that enters into the expansion chamber, thereby can reduce the noise, realize reducing the noise in exhaust pipe 20 on the propagation way.

It should be noted that, the formula for calculating the sound attenuation of the dilatation cavity is:

wherein: l is the effective length of the expansion chamber, m is the expansion ratio, k is 2 pi/λ, λ is the wavelength of sound in the propagation medium, λ is C/f, C is the propagation speed of sound in the exhaust duct 20, and f is the frequency of sound.

When sin²kl is 1, when other parameters are determined, the noise elimination amount of the silencer is maximum at the moment, and the effective length of the expansion cavity is as follows:

the actual dimensions of the exhaust duct 20 and the expansion chamber can be designed reasonably according to the frequency characteristics of the noise of the exhaust duct 20 of the mobile air conditioner 1 and the actual dimensions of the packaging box for placing the mobile air conditioner 1.

Specifically, as shown in fig. 6, the muffler 30 includes: amortization shell 31, the amortization is formed with the expansion chamber in the shell 31, and in the direction of airing exhaust, amortization shell 31 includes: a divergent part 310 and a main casing part 311, wherein the divergent part 310 is arranged at one end of the main casing part 311 facing the air outlet 11, the divergent part 310 is connected with the air outlet 11, and the cross section area of the divergent part 310 in the air outlet direction shows an increasing trend. The sound wave is reflected and diffracted in the main housing 311, and the reflected and diffracted wave interferes with the sound wave entering the main housing 311, so that noise can be reduced. The gradually expanding portion 310 is disposed at one end of the main casing portion 311 facing the air outlet 11, the gradually expanding portion 310 is connected to the air outlet 11, the sound wave needs to pass through the gradually expanding portion 310 before entering the main casing portion 311, and the cross-sectional area of the gradually expanding portion 310 in the air outlet direction tends to increase.

Also, as shown in fig. 6, the sound-deadening shell 31 further includes: the tapering portion 312 is disposed at an end of the main housing 311 facing the exhaust duct 20, the tapering portion 312 is connected to the exhaust duct 20, and a cross-sectional area of the tapering portion 312 in the air outlet direction is decreasing. The reducing portion 312 is disposed at one end of the main casing 311 facing the exhaust duct 20, the reducing portion 312 is connected to the exhaust duct 20, the sound wave needs to pass through the reducing portion 312 before entering the exhaust duct 20 from the main casing 311, and the cross-sectional area of the reducing portion 312 in the air outlet direction is reduced, the reducing portion 312 can also play a role in stabilizing the flow, so that the air flow entering the exhaust duct 20 is relatively stable, and the secondary noise generated when the air flow blows on the wall surface of the exhaust duct 20 is reduced.

Further, as shown in fig. 1, 3, and 6, the muffler 30 further includes: and a sound absorbing and insulating member 32, wherein the sound absorbing and insulating member 32 is disposed outside the silencer casing 31. Inhale sound-proof piece 32 and can play the effect of noise absorption and isolated noise, will inhale sound-proof piece 32 and set up in the outside of amortization shell 31, can further reduce noise like this, promote the effect of making an uproar.

As shown in fig. 1, 3 and 6, the sound absorbing and insulating member 32 is annular, an annular groove 313 is formed in the outer peripheral wall of the silencer casing 31, and the sound absorbing and insulating member 32 is disposed in the annular groove 313. The sound-absorbing and sound-insulating member 32 is provided in a ring shape, and an annular groove 313 is formed in the outer peripheral wall of the silencing shell 31, and then the sound-absorbing and sound-insulating member 32 is provided in the annular groove 313, so that it is not only convenient to provide the sound-absorbing and sound-insulating member 32 on the silencing shell 31, but also to provide the sound-absorbing and sound-insulating member 32 on the silencing shell 31 as much as possible, thereby enabling the sound-absorbing and sound-insulating member 32 to better absorb and insulate noise in the silencing shell 31.

Of course, as shown in fig. 6, the silencing shell 31 is provided with first clamping portions 314 at both ends corresponding to the annular groove 313, and the first clamping portions 314 are clamped outside both ends of the sound-absorbing and sound-insulating member 32. Be provided with first joint portion 314 in the both ends department of ring channel 313, will inhale sound insulating part 32 and set up in ring channel 313 after, first joint portion 314 can the joint inhale the both ends outside of sound insulating part 32 to can prevent to inhale sound insulating part 32 and drop from ring channel 313.

Further, as shown in fig. 6, the first locking portion 314 is plural, and the plural first locking portions 314 are circumferentially distributed at intervals at both ends of the annular groove 313. Be provided with a plurality of first joint portions 314 to a plurality of first joint portions 314 are at the both ends of ring channel 313 circumference interval distribution on, can be more comprehensively like this will inhale sound-proof member 32 card locate ring channel 313 in, prevent better that sound-proof member 32 that inhales from droing from ring channel 313, promote to inhale setting stability of sound-proof member 32 that inhales

As shown in fig. 3 and 6, the sound-absorbing and sound-insulating material 32 has a strip-shaped opening 33. The sound-absorbing and sound-insulating member 32 is provided with the strip-shaped openings 33, which provides the sound-absorbing and sound-insulating member 32 with a certain relaxation property, thereby facilitating the placement of the sound-absorbing and sound-insulating member 32 in the annular groove 313.

According to the utility model discloses an optional embodiment, as shown in fig. 2 and 4, air outlet 11 is provided with flange 40, and flange 40 is provided with second joint portion 41, and amortization shell 31 is provided with third joint portion 315, and one in second joint portion 41 and the third joint portion 315 is the buckle, and another in second joint portion 41 and the third joint portion 315 is the draw-in groove moreover, and the buckle cooperates with the draw-in groove joint. In addition, the housing 10 is provided with a sixth clamping portion 12 on the periphery of the air outlet 11, and one end of the flange 40 close to the air outlet 11 is provided with a seventh clamping portion 42, the flange 40 can be fixedly arranged on the shell 10 through clamping matching of the sixth clamping portion 12 and the seventh clamping portion 42, and both ends of the flange 40 are respectively communicated with the air outlet 11 and the silencing shell 31, the flange 40 is provided with a second clamping part 41, the silencing shell 31 is provided with a third clamping part 315, thus, through the clamping fit of the second clamping part 41 and the third clamping part 315, the flange 40 can be fixedly connected with the silencing shell 31, in addition, one of the second clamping part 41 and the third clamping part 315 is a buckle, and another is the draw-in groove, through buckle and draw-in groove joint cooperation, the structure is simpler, is convenient for set up, and is more simple and convenient when the operation moreover, can promote assembly efficiency.

Optionally, as shown in fig. 5, the silencing shell 31 is provided with a fourth clamping portion 316, the exhaust duct 20 is provided with a fifth clamping portion 21, one of the fourth clamping portion 316 and the fifth clamping portion 21 is a buckle, and the other of the fourth clamping portion 316 and the fifth clamping portion 21 is a clamping slot, and the buckle is in clamping fit with the clamping slot. Of course, amortization shell 31 is provided with fourth joint portion 316, exhaust pipe 20 is provided with fifth joint portion 21, through the joint cooperation of fourth joint portion 316 and fifth joint portion 21, can make amortization shell 31 and exhaust pipe 20 fixed connection, in addition, one in fourth joint portion 316 and the fifth joint portion 21 is the buckle, and another is the draw-in groove, through buckle and draw-in groove joint cooperation, the structure is simpler, be convenient for set up, and it is more simple and convenient when the operation, can promote assembly efficiency.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A mobile air conditioner, comprising:

a housing provided with an air outlet;

the exhaust pipe is arranged on the outer side of the shell; and

the silencer, the one end of silencer connect in air outlet and the other end connect in the exhaust pipe, be formed with the expansion chamber that is used for the noise abatement in the silencer.

2. The mobile air conditioner of claim 1, wherein the silencer comprises: the amortization shell, be formed with in the amortization shell the expansion chamber, in the direction of airing exhaust, the amortization shell includes: the divergent part is arranged at one end, facing the air outlet, of the main shell part, and the divergent part is connected with the air outlet and has a cross section area in the air outlet direction presenting an increasing trend.

3. The mobile air conditioner of claim 2, wherein the silencer casing further comprises: the convergent portion, the convergent portion set up in the main casing portion orientation the one end of exhaust pipe, the convergent portion with the exhaust pipe is connected and is the diminishing trend at the ascending cross-sectional area of air-out direction.

4. The mobile air conditioner of claim 2, wherein the silencer further comprises: inhale the sound deadening piece, inhale the sound deadening piece set up in the outside of amortization shell.

5. The mobile air conditioner according to claim 4, wherein the sound absorbing and insulating member is formed in a ring shape, an annular groove is formed on an outer circumferential wall of the silencer casing, and the sound absorbing and insulating member is disposed in the annular groove.

6. The mobile air conditioner of claim 5, wherein the silencing shell is provided with first clamping parts at two ends corresponding to the annular groove, and the first clamping parts are clamped at the outer sides of two ends of the sound-absorbing and sound-insulating member.

7. The mobile air conditioner as claimed in claim 6, wherein the first clamping portions are plural, and the plural first clamping portions are circumferentially distributed at intervals at both ends of the annular groove.

8. The mobile air conditioner according to claim 4, wherein the sound absorbing and insulating member has a strip-shaped opening.

9. The mobile air conditioner as claimed in claim 2, wherein the air outlet is provided with a flange, the flange is provided with a second clamping portion, the silencing shell is provided with a third clamping portion, one of the second clamping portion and the third clamping portion is a buckle, the other is a clamping groove, and the buckle is in clamping fit with the clamping groove.

10. The mobile air conditioner as claimed in claim 2, wherein the silencing shell is provided with a fourth clamping portion, the exhaust duct is provided with a fifth clamping portion, one of the fourth clamping portion and the fifth clamping portion is a buckle, and the other is a clamping groove, and the buckle is in clamping fit with the clamping groove.

Images