CN207830012U - A kind of vehicle air cleaner and automobile - Google Patents

Abstract

The utility model discloses a kind of vehicle air cleaners, filter core including shell and mounted on the enclosure interior, it is included in the lower part of the filter core and sets there are one the first sound-absorbing material layer, the inside bottom of the shell is set there are one the second sound-absorbing material layer, has spacing between second sound-absorbing material and the first sound-absorbing material layer.The spacing can allow air inlet more to move smoothly through, and ensure to further decrease noise energy while air filter efficiency, reduce inflow noise, improve the comfort level that automobile is taken.In addition this can be according to installing fixed position difference and needing the sound-absorbing material layer arranged in pairs or groups using unlike material, different attribute or different size feature, with the flexibility fine sound-absorbing material selection and arranged in pairs or groups.

Description

A kind of vehicle air cleaner and automobile

Technical field

The utility model is related to automotive engine air intake system components, and in particular, to a kind of vehicle air cleaner.

Background technology

NVH (noise, vibration and comfort) performance has become an important indicator of evaluation automotive quality.Major vehicle Factory is devoted to promote its brand value and the market competitiveness by improving the NVH performances of automobile.Meanwhile as people are to making an uproar The continuous attention of sound pollution, it is also constantly stringent for the regulation of automobile noise.An important noise of the induction noise as automobile Source also results in enough attention.

Air cleaner is mounted in the critical piece at air inlet, and structure, performance is not only to engine aspirating system Cause to form great influence, and design unreasonable air cleaner and can also become a noise source.Due to the noise from The distance in compartment is nearest, is the Main Noise Sources to form interior noise, if therefore inflow noise can be reduced, it will greatly improve The comfort of automobile.

Air cleaner is the device for removing the granulometric impurity in air.When engine works, if sucking air In will just aggravate the abrasion of part containing impurity such as dusts, so air cleaner must be equipped with.Air cleaner by filter core and Shell two parts form.The main design requirement of one good air cleaner is that filtering efficiency is high, flow resistance is low, noise It is small.

Utility model content

The purpose of this utility model is to provide a kind of vehicle air cleaner, can reduce induction noise, ensures air filter effect Rate improves the comfort of automobile.

Technical solution used by the utility model is as follows：

A kind of vehicle air cleaner comprising the filter core of shell and installation inside housings, wherein in the filter core Lower part is set there are one the first sound-absorbing material layer, and the inside bottom of the shell is set there are one the second sound-absorbing material layer, and described second There is spacing between sound-absorbing material and the first sound-absorbing material layer.

In one preferred embodiment of the utility model, first sound-absorbing material layer is fixedly connected on the bottom of the filter core Portion；Or the filter core includes a filter core bearing frame, first sound-absorbing material layer is fixed on the filter core carrying frame bottom.

In one preferred embodiment of the utility model, second sound-absorbing material and first sound-absorbing material layer it Between be additionally provided with third sound-absorbing material layer, the third sound-absorbing material layer is mounted on the madial wall of the shell.In other words, i.e., In the shell on the madial wall between second sound-absorbing material and first sound-absorbing material layer, third suction is installed Sound material layer.

In one preferred embodiment of the utility model, second sound-absorbing material layer is fixed on described by spot welding mode Case inside bottom；The third sound-absorbing material layer is fixed on by spot welding mode on the madial wall of the shell.

In one preferred embodiment of the utility model, first sound-absorbing material layer, the second sound-absorbing material layer and third Sound-absorbing material layer frame surrounds the solid that the space that one is located at the filter core lower part with the shell matches, the solid Internal then one sound absorption chamber of composition.

In one preferred embodiment of the utility model, the shell includes upper shell and lower housing, the upper shell with Lower housing separably fits together, and provides the accommodation space for installing the filter core and the sound-absorbing material layer.

In one preferred embodiment of the utility model, the filter core is installed in the lower housing, second sound absorption Material layer is fixed on the inside bottom of the lower housing.

In one preferred embodiment of the utility model, the lower housing is a cuboid, first sound-absorbing material The solid that layer, the second sound-absorbing material layer and third sound-absorbing material layer are formed is a cuboid.

In one preferred embodiment of the utility model, the lower housing sets that there are one the air inlet that is in communication with the outside, institutes State the position that the solid that the first sound-absorbing material layer, the second sound-absorbing material layer and third sound-absorbing material layer are combined into corresponds to the air inlet A notch is installed, makes to be hindered by first, second, third sound-absorbing material layer by the air-flow of the air inlet Gear, while noise-reducing, minimizes flow resistance, filtering efficiency is effectively ensured.

The utility model also protects a kind of automobile comprising the vehicle air cleaner described in any of the above-described embodiment.

The technique effect of the utility model includes：

The air cleaner of the utility model further includes being set to filter core in the shell other than including the filter core First sound-absorbing material layer of bottom and the second sound-absorbing material layer set on case inside bottom, and in first sound-absorbing material layer And second form a spacing between sound-absorbing material layer.The spacing can allow air inlet more to move smoothly through, while the spacing structure It is arranged with the sound absorption space of sound-absorbing material layer at a top and bottom, makes noise can in the reflection of the shell multiple directions It is sponged by sound-absorbing material layer, reduces the energy of noise.

In addition this can arrange in pairs or groups using unlike material, different attribute or Different Rule (such as according to different features and needs Porosity, single pore size and material thickness) the features such as sound-absorbing material layer.Such as in order to ensure high filtering efficiency and Small flow resistance can will be selected as the slightly larger sound-absorbing material in aperture set on the first sound-absorbing material layer of filter core lower part, and shell The second sound-absorbing material layer of inside bottom can then select sound absorption efficiency high but aperture smaller material or may designed When, mainly consider the flow resistance of its sound absorption efficiency rather than air-flow.Therefore, the structure that this programme uses has very big sound absorption The flexibility of material selection and collocation.

Further, the utility model is equipped with third sound-absorbing material also on the madial wall that institute's shell is located at the spacing Layer, the first, second, and third sound-absorbing material layer frame, which encloses, is combined into a three-dimensional solid, in the solid Inner Constitution One peripheric surface is equipped with the sound absorption chamber of sound-absorbing material, to absorb the inflow noise of air cleaner to large extent, while also not Influence the smooth degree and air filter efficiency of air-flow.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is a preferred embodiment exploded view of the utility model air cleaner.

Fig. 2 is a preferred embodiment assembling figure of the utility model air cleaner.

Fig. 3 is the overall structure diagram of a preferred embodiment of the utility model air cleaner.

Fig. 4 is the members structural schematic diagram one of another embodiment of the utility model air cleaner.

Fig. 5 is the members structural schematic diagram two of another embodiment of the utility model air cleaner.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, do not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area Divide description, is not understood to indicate or imply relative importance.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

Embodiment one

Shown in Fig. 1, Fig. 2 and Fig. 3, the air cleaner of the utility model embodiment one includes shell 1 and is mounted on Filter core 3 inside shell 1.Shell 1 shown in figure includes upper shell 11 and lower housing 12, and upper and lower casing 11,12 is separable Ground fits together, and the accommodation space for installing the filter core 3 is provided, to play a protective role to filter core 3.Also have on lower housing 12 Air inlet 121, the air inlet connection external world and 1 inner space of shell.Shell 1 is not limited to shape and structure shown in figure, Such as the shell with opening can also be taken, the opening for closing the shell by the cover after installation is complete is also possible.

Filter core 3 primarily served the effect of air filtering, in the present embodiment, one first was additionally provided in the lower part of filter core 3 Sound-absorbing material layer 21 is additionally provided with the second sound-absorbing material layer 22, and the first sound-absorbing material layer 21 in the inside bottom of lower housing 12 There is space D between the second sound-absorbing material layer 22.First sound-absorbing material layer 21 is directly fixedly connected under the filter core 3 Portion or bottom are bonded in the lower section of filter core 3 for example, bonding agent can be smeared in the edge of first sound-absorbing material layer 21, Or filter core 3 include a filter core bearing frame, shape and structure for fixing filter core 3, then the first sound-absorbing material 21 can consolidate It is scheduled on the filter core carrying frame bottom.For example, can carry frame bottom in the filter core extend several elastic fastening hooks, it can be by the One sound-absorbing material layer 21 is fixed.Wherein second sound-absorbing material layer 22 can be weldingly fixed on the shell 12 by spot welding mode Inside bottom, discrete solder joint 221 as shown in Figure 3.

Sound-absorbing material is mostly loose porous material, such as mineral wool, blanket, sound absorbing mechanism are that sound wave gos deep into material Hole, and hole is mostly the internal open pore to interpenetrate, by air molecule friction and viscosity resistance, and makes tiny fibre Dimension makees mechanical oscillation, to make acoustic energy be changed into thermal energy.The acoustic absorptivity of sound-absorbing material generally gradually increases from low to high Greatly, therefore it is preferable to the sound absorbing effects of high frequency and intermediate frequency.Sound-absorbing material layer on the one hand can be with filtration fraction dust, one side energy Absorb noise.

In the present embodiment, identical sound-absorbing material can be used in the first sound-absorbing material layer 21 and the second sound-absorbing material layer 22, Such as it is that mineral wool or sound absorption cotton or first sound-absorbing material layer 21 are selected as mineral wool, and the second sound-absorbing material 22 It is selected as mineral wool etc..

In the present embodiment, there is space D between the first sound-absorbing material 21 and the second sound-absorbing material 22.The space D can allow It is more moved smoothly through by the air inlet of air inlet 121, constituting a top and bottom by the space D is arranged with sound-absorbing material layer Absorb sound space, makes noise that can be sponged by sound-absorbing material layer in the reflection of the shell multiple directions, reduces the energy of noise Amount.Noise can reinforce the energy of primary sound through plane reflection, and sound-absorbing material is all arranged in the multiple faces in space, will substantially reduce noise energy Amount.

In addition this can arrange in pairs or groups using unlike material, different attribute or Different Rule (such as according to different features and needs Porosity, single pore size and material thickness) the features such as sound-absorbing material.For example, in order to ensure high filtering efficiency and small Flow resistance, can will be selected as the slightly larger sound-absorbing material in aperture set on the first sound-absorbing material layer 21 of filter core lower part, and shell The second sound-absorbing material layer 22 of inside bottom can then select sound absorption efficiency high but aperture smaller material or may set Timing mainly considers the flow resistance of its sound absorption efficiency rather than air-flow.Therefore, the structure that the present embodiment uses has very big Sound-absorbing material selects and the flexibility of collocation.

Embodiment two

The structural schematic diagram of second preferred embodiment of the utility model is shown referring to Fig. 4, Fig. 5.In the present embodiment, Structure and function in relation to shell 1 and filter core 3 is no longer described in detail.The present embodiment is differed only in embodiment one, the shell 1 It is interior other than the first sound-absorbing material layer 21, the second sound-absorbing material layer 22, further include third sound-absorbing material layer 23.Third sound absorption material The bed of material 23 is set between second sound-absorbing material and first sound-absorbing material layer, and on the madial wall of fixed lower housing 12. In other words, i.e., the inside in the shell 1 between second sound-absorbing material 21 and first sound-absorbing material layer 22 On wall, third sound-absorbing material layer 23 is installed.

Shown in Figure 4, third sound-absorbing material layer 23 is fixed on the madial wall of the lower housing 12 by spot welding mode On, solder joint 231 as shown in Figure 4.The quantity of wherein solder joint 231 is unsuitable overstocked, but is needing third sound-absorbing material layer 23 It is effectively fixed.

It is shown in Figure 5, when setting secures second sound-absorbing material layer 22 and third sound-absorbing material in lower housing 12 After layer 23, then filter core 3 is installed, at this time the first sound-absorbing material layer 21 of 3 lower part of filter core and other suctions in the lower housing Sound material layer, i.e. second, third sound-absorbing material layer 22,23 three's frames, which enclose, is combined into a three-dimensional solid.In the solid The space in portion then constitutes a sound absorption chamber.Since the inner space of lower housing 12 is rectangular space, thus first, second, third 21,22,23 three of sound-absorbing material layer is combined into a cuboid.The inner space of the cuboid is a sound absorption chamber, and the suction The surrounding of the operatic tunes is surrounded by sound-absorbing material layer, therefore the noise for entering the sound absorption intracavitary will be absorbed to the maximum extent, is reduced Noise energy, while not influencing the smooth degree and air filter efficiency of air-flow also.

Shown in Fig. 4 and Fig. 5, to ensure the 121 smooth air inlet of air inlet of lower housing 12, avoid being obstructed with air inlet and Influence the working efficiency of air cleaner and because airflow obstruction generates harsh noise, the solid is adaptively corresponding should be into The position setting of gas port 121 there are one notch B, make by the air-flow of the air inlet 121 will not by described first, second, The blocking of third sound-absorbing material layer 21,22,23 minimizes flow resistance while noise-reducing, and filtering is effectively ensured Efficiency.Preferably, the air inlet 121 of the shape of notch B and the lower housing 12 coincide, and here identical refers to the side of notch B Edge will not block air inlet 121.As shown in figure 5, notch part B is opened on third sound-absorbing material layer 23, it is partly opened in On two sound-absorbing material layers 22.Air-flow by air inlet 121 swimmingly enter sound absorption intracavitary, air inlet generate noise by this first, Second, third 21,22,23 frame of sound-absorbing material layer, which encloses, is formed by sound absorption chamber major part absorption, and noise energy is greatly reduced, together When shell 12 vibrating noise be also mounted on the second sound-absorbing material layer 22 of its inside bottom, the third of madial wall absorbs sound material The bed of material 23 is absorbed.In addition, first, second, third sound-absorbing material layer 21,22,23, which can also play, further removes air The effect of dust particles.

It should be noted that by described in spot-welded when the first, second, third sound-absorbing material layer 21,22,23, although point Weldering mode can guarantee that the position of sound-absorbing material layer is preferably fixed, but solder joint should not be excessive, and excessive solder joint can compress sound absorption material Material, reduction subtract hot-tempered effect.

Reason same as embodiment one, first, second, third sound-absorbing material layer, 21,22,23 3 sound absorption materials The bed of material may be selected to be identical sound-absorbing material or different sound-absorbing materials or sound-absorbing material is identical, but select different pore size and The sound-absorbing material of specification or the thickness of sound-absorbing material are as needed and respectively different.

Be above the embodiments of the present invention to providing in the accompanying drawings detailed description be not intended to limit requirement protect The scope of the utility model of shield, but it is merely representative of the selected embodiment of the utility model.Based on the reality in the utility model Example is applied, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts all belongs to In the range of the utility model protection.

Claims (10)

1. a kind of vehicle air cleaner, including shell and the filter core mounted on the enclosure interior, which is characterized in that including：

It is set there are one the first sound-absorbing material layer in the lower part of the filter core, the inside bottom of the shell sets that there are one the second sound absorptions Material layer has spacing between second sound-absorbing material and the first sound-absorbing material layer.

2. vehicle air cleaner according to claim 1, which is characterized in that first sound-absorbing material layer is with its edge It is fixedly connected on the bottom of the filter core；Or the filter core includes a filter core bearing frame, first sound-absorbing material layer is solid It is scheduled on the filter core carrying frame bottom.

3. vehicle air cleaner according to claim 1, which is characterized in that in second sound-absorbing material and described the Third sound-absorbing material layer is additionally provided between one sound-absorbing material layer, the third sound-absorbing material layer is mounted on the madial wall of the shell On.

4. vehicle air cleaner according to claim 3, which is characterized in that second sound-absorbing material layer passes through spot welding Mode is weldingly fixed on the case inside bottom；The third sound-absorbing material layer is weldingly fixed on the shell by spot welding mode On the madial wall of body.

5. vehicle air cleaner according to claim 3, which is characterized in that first sound-absorbing material layer, second inhale Sound material layer and third sound-absorbing material layer frame surround the space that one is located at the filter core lower part with the shell match it is several The inside of He Ti, the solid then constitute a sound absorption chamber.

6. according to claim 3-5 any one of them vehicle air cleaners, which is characterized in that the shell includes upper shell And lower housing, the upper shell are separably fitted together with lower housing, are provided and are installed the filter core and the sound-absorbing material The accommodation space of layer.

7. vehicle air cleaner according to claim 6, which is characterized in that the filter core is installed on the lower housing In, second sound-absorbing material layer is fixed on the inside bottom of the lower housing.

8. vehicle air cleaner according to claim 7, which is characterized in that the lower housing is a cuboid, institute It is a cuboid to state the solid that the first sound-absorbing material layer, the second sound-absorbing material layer and third sound-absorbing material layer are formed.

9. vehicle air cleaner according to claim 6, which is characterized in that the lower housing set there are one with the external world even Logical air inlet, the solid pair that first sound-absorbing material layer, the second sound-absorbing material layer and third sound-absorbing material layer are formed Should air inlet position be arranged a notch, making will not be by described first, second, third by the air-flow of the air inlet The blocking of sound-absorbing material layer.

10. a kind of automobile, which is characterized in that the automobile includes being filtered according to claim 1-9 any one of them vehicle airs Clear device.