CN105626197A

CN105626197A - Muffler device

Info

Publication number: CN105626197A
Application number: CN201510810901.1A
Authority: CN
Inventors: 拉吉耶·让; 约翰·奥利弗
Original assignee: Faurecia Emissions Control Systems Korea Ltd
Current assignee: Faurecia Emissions Control Systems Korea Ltd
Priority date: 2014-11-20
Filing date: 2015-11-20
Publication date: 2016-06-01
Also published as: KR20160060328A

Abstract

Provided is a muffler device which comprises a housing, multiple baffles, an exhaust input pipeline, and an exhaust output pipeline. The housing comprises an inner chamber. The multiple baffles are spaced transversely and connected with the inner wall of the housing. Each of the exhaust input pipeline and the exhaust output pipeline are connected with at least one of the multiple baffles. The muffler device further comprises a plate in the bottom of the housing and connected to at one of the baffles. A channel is formed between the plate and the inner wall of the housing and is located in the bottom of the housing. Thus, condensate converging on the bottom of the housing is expelled from the housing via exhaust when the exhaust introduced into the housing passes the channel and is expelled from the housing.

Description

Silencing apparatus

Technical field

The present invention relates to silencing apparatus, more specifically, the present invention relates to such a kind of silencing apparatus: this silencing apparatus includes passage in its base portion office, and aerofluxus can be guided through this passage, thus aerofluxus can distinguish away condensate from the base portion of this silencing apparatus.

Background technology

The high-temperature exhaust air discharged from explosive motor contains the liquid gasified. Along with aerofluxus cools down, the steam in aerofluxus can condense. When aerofluxus is flowed away from electromotor, owing to cooling down operation can condense in silencing apparatus. Condensate in silencing apparatus can be gathered in the base portion office of silencing apparatus. It addition, condensate can be gathered in the part that closed area such as dividing plate is connected with the inner surface of silencing apparatus. Condensate in silencing apparatus causes the parts of corrosion silencing apparatus. It addition, if the temperature of silencing apparatus raises, the condensate of gathering can cause the parts seriously corroding silencing apparatus.

According to correlation technique, use the siphon being arranged in the internal chamber of silencing apparatus the to extend condensate to remove in silencing apparatus. But, even if using siphon, can not effectively remove the condensate of the base section being gathered in silencing apparatus or closed area place.

Alternatively, a kind of such method is used: the lower end at silencing apparatus forms aperture to prevent condensate to be gathered in silencing apparatus, and discharges condensate. But, the aperture of the lower end of silencing apparatus can not be applied to some type of silencing apparatus, and particularly, when automobile parking is in garage, condensate is dropped on the bottom in garage, and this is not desired.

Summary of the invention

Therefore, it is an object of the invention to provide such a kind of silencing apparatus: this silencing apparatus is prevented from the base portion office that condensate is gathered in the inside of this silencing apparatus.

Specifically, it is possible to be accomplished by the purpose of the present invention: permission aerofluxus flows to the base section of the inside of silencing apparatus so that the condensate being gathered in base portion office can be walked clearly by aerofluxus.

Another object of the present invention is to provide such a kind of silencing apparatus: this silencing apparatus is prevented from the inside of this silencing apparatus to form closed area, be therefore prevented from condensate and be gathered in this closed area.

Another object of the present invention is to provide such a kind of dividing plate: this dividing plate is it can be avoided that bend between pipeline aperture and the end of this dividing plate of this dividing plate when carrying out the filling process for manufacturing this silencing apparatus.

According to an embodiment of the invention, provide a kind of silencing apparatus, described silencing apparatus includes housing, multiple dividing plates, and aerofluxus input channel and aerofluxus output channel, described housing includes inner chamber, the plurality of dividing plate laterally (laterally) spaced apart and be connected to the inwall of described housing, described aerofluxus input channel and described aerofluxus output channel are each attached at least one dividing plate in the plurality of dividing plate, described device is additionally included in the base section of described housing the plate of at least one dividing plate being connected in the plurality of dividing plate, and described plate forms passage between itself and the described inwall of described housing, wherein, described passage is arranged in the described base section of described housing, thus when the aerofluxus being incorporated in described housing is passed described passage and is discharged described housing, the condensate being gathered on the described base section of described housing discharges described housing by described aerofluxus. that is, aerofluxus is walked to be gathered in clearly the condensate of this base portion office while being passed through the passage of base portion office of housing and via aerofluxus output channel, condensate is discharged the outside to housing.

The dividing plate that described plate can be arranged in and described aerofluxus input channel connects with and the dividing plate that is connected of described aerofluxus output channel between.

The plurality of dividing plate can include the first dividing plate and second partition; Described housing can include the first chamber limited by the side of described first dividing plate, the opposite side of described first dividing plate and the side of described second partition the second chamber limited and the 3rd chamber limited by the opposite side of described second partition; Described aerofluxus input channel extends to described second partition through described first dividing plate so that aerofluxus is introduced in described 3rd chamber; The aerofluxus of described 3rd chamber is via described channel flow to described first chamber; And described aerofluxus output channel extends to described first dividing plate through described second partition so that the aerofluxus of described first chamber is discharged described housing.

Described plate or described aerofluxus output channel could be formed with multiple aperture.

In the plurality of dividing plate, the peripheral surface of the end of at least one dividing plate have not with the noncontact edge of the described contact internal walls of described housing, and aerofluxus by between described noncontact edge and the described inwall of described housing flow.

Described plate can be connected to the described noncontact position of described dividing plate.

The plurality of dividing plate can include the 3rd dividing plate, and described 3rd dividing plate includes the condensation aperture for condensate traverse at the position contiguous with the described base section of described housing.

According to the present invention, the condensate owing to being gathered in base portion office when aerofluxus is through the base section of the inside of silencing apparatus can be walked clearly and is disposed to the outside of this device, therefore, it is possible to prevent condensate to be gathered in base portion office.

It addition, according to the present invention, owing to dividing plate does not contact with silencing apparatus in the base portion office of silencing apparatus, therefore, it is possible to make the closed area formed due to the combination of dividing plate and silencing apparatus minimize. Thus, it is possible to be effectively prevented in closed area to occur the phenomenon of this corrosion of equipment.

Additionally, according to the present invention, the outside that condensate can be discharged efficiently to silencing apparatus is without using existing siphon. It addition, by using independent plate, it is possible to remove according to correlation technique for connecting the intermediate conduit of chamber.

It addition, according to the present invention, even if when vehicle is with low cruise, the condensate in this device also is able to be discharged efficiently, this is because the minimum mass flow rate of this device is less than the minimum mass flow rate of existing silencing apparatus. Further, since the identical time in can discharge more substantial condensate compared with the silencing apparatus of correlation technique, therefore, it is possible to be effectively prevented this corrosion of equipment.

According to the present invention, owing to the end of dividing plate is the opened type that pipeline can pass through, therefore, it is possible to eliminate the region that can bend during filling process. Specifically, the whole cross section of the housing of silencing apparatus is covered according to the general dividing plate of correlation technique. The aperture being passed through on dividing plate is provided with pipeline. According to the dividing plate with described structure, during filling process, the end regions (such as, the region between pipeline aperture and the inwall of housing) of dividing plate is it may happen that bend. But, according to the present invention, by removing the end regions of dividing plate, it is possible to prevent bending. Therefore, it is possible to solution buckling problem, and the dividing plate formed can thin entirely without the dividing plate of protective measure for bending than according to correlation technique.

Accompanying drawing explanation

From the detailed description carried out below in conjunction with accompanying drawing, the above-mentioned and other objects, features and advantages of the present invention will be apparent from, wherein, in the accompanying drawings:

Fig. 1 is the axonometric chart schematically showing silencing apparatus according to the embodiment of the present invention, and wherein, the inside of silencing apparatus is visible;

Fig. 2 a to Fig. 2 c is the view of the shape schematically showing the multiple dividing plates according to an embodiment of the invention;

Fig. 3 is the view schematically showing the plate according to an embodiment of the invention; And

Fig. 4 is the schematic diagram of the state describing aerofluxus by flowing according to the silencing apparatus of an embodiment of the invention.

Detailed description of the invention

Fig. 1 is the axonometric chart schematically showing silencing apparatus 100 according to the embodiment of the present invention. In FIG, the wall of this device illustrates in a transparent manner such that it is able to see the inside of silencing apparatus 100. Silencing apparatus 100 includes housing 110, multiple dividing plate 120,130 and 140, aerofluxus output channel 150, aerofluxus input channel 160 and plate 170.

Housing 110 forms the shell of silencing apparatus 100, and is formed with chamber in housing 110. Aerofluxus is guided along the pipeline in the chamber being arranged in housing 110. The side of housing 110 could be formed with the aperture for aerofluxus input channel 160 traverse, and the opposite side of housing 110 could be formed with the aperture for aerofluxus output channel 150 traverse. Housing 110 can be manufactured by being coupled with lower house by upper shell. But, manufacture of casing is not limited to specific a kind of manufacture method, but can use various manufacture method, for instance, the method coupling two or more parts separately or the method forming housing.

Multiple dividing plates 120,130 and 140 are arranged in the inner chamber of housing 110. According to an embodiment of the invention, these dividing plates are formed for multiple apertures of aerofluxus traverse, because the temperature of aerofluxus reduces and pressure reduces thus realizing noise reduction. Multiple dividing plates 120,130 and 140 are spaced apart from each other within the case 110, and are limited chamber by the inwall of housing 110 with spaced apart dividing plate. The peripheral surface of each dividing plate in these dividing plates can be connected to the inwall of housing 110 at least partially to be supported by, or the inwall of housing 110 can be not attached to and by pipe-supporting. Further, it is possible to use various structures and methods are to support dividing plate.

According to an embodiment of the invention, multiple dividing plates 120,130 and 140 can include the first dividing plate 120, second partition 130 and the 3rd dividing plate 140. Dividing plate limits the chamber in housing 110. Such as, the first chamber 111 is limited by the side of the inwall of housing 110 and the first dividing plate 120, the second chamber 112 is limited by the side of the opposite side of the first dividing plate 120 Yu second partition 130, limited the 3rd chamber 113 by the side of the opposite side of second partition 130 and the 3rd dividing plate 140, and gone out the 4th chamber 114 by the opposite side of the 3rd dividing plate 140 and the inner wall limit of housing 110. Referring below to Fig. 2 a to Fig. 2 c, dividing plate is described.

Fig. 2 a to Fig. 2 c is the view of the shape schematically showing the multiple dividing plates according to an embodiment of the invention. Fig. 2 a illustrates the first dividing plate 120. First dividing plate 120 could be formed with the multiple apertures 121 for aerofluxus traverse. Noise characteristic required by silencing apparatus can adjust size and the number in these apertures. First dividing plate 120 could be formed with the output channel aperture 122 for aerofluxus output channel 150 traverse and the input channel aperture 123 for aerofluxus input channel 160 traverse. In some cases, when pipeline is without pass through dividing plate, dividing plate can be formed without pipeline aperture.

According to an embodiment of the invention, the first dividing plate 120 includes contact edge 124 and noncontact edge 125. The contact internal walls of contact edge 124 and housing 110, aerofluxus will not be guided between contact edge 124 and housing 110. Conversely, because the noncontact edge 125 of the first dividing plate 120 not with the contact internal walls of housing 110, therefore aerofluxus can be guided between the inwall of housing 110 and the noncontact edge 125 of the first dividing plate 120.

Fig. 2 b illustrates second partition 130. This embodiment according to the present invention, situation in the first dividing plate 120, second partition 130 could be formed with the multiple apertures 131 for aerofluxus traverse, the output channel aperture 132 for aerofluxus output channel 150 traverse and the input channel aperture 133 for aerofluxus input channel 160 traverse. Second partition 130 can also include the contact internal walls with housing 110 contact edge 134 and not with the noncontact edge 135 of the contact internal walls of housing 110. Aerofluxus can be guided between the inwall of housing 110 and the noncontact edge 135 of second partition 130.

According to an embodiment of the invention, the first dividing plate 120 and second partition 130 are arranged so that the noncontact edge 125 of the first dividing plate 120 and the noncontact edge 135 of second partition 130 are positioned at the base portion office of housing 110 within the case 110.

Although the noncontact edge linearly shape formed on dividing plate in embodiments of the present invention, but the invention is not restricted to this situation, and it is variously-shaped to be able to employing, such as towards the concave shape that the inner side of dividing plate is recessed.

When so forming noncontact edge in an end of dividing plate according to the present invention, i.e. when the end of dividing plate is uncovered, the dividing plate not situation in correlation technique, cover the whole cross section of housing. When covering the whole cross section of housing dividing plate situation in correlation technique, during filling process, bending in the end sections of dividing plate, in this case, the noncontact edge of the present invention can be used in eliminating the region that bending occurs. If eliminating buckling phenomenon, then can the thickness of dividing plate be prepared thinner.

According to an embodiment of the invention, multiple dividing plates of the present invention can also include the 3rd dividing plate 140. Fig. 2 c illustrates the 3rd dividing plate 140. 3rd dividing plate 140 could be formed with the output channel aperture 141 for aerofluxus output channel 150 traverse. 3rd dividing plate 140 could be formed with the additional pipeline aperture 142 of additional pipeline 180 traverse connected between permission the 3rd chamber 113 and the 4th chamber 114. Meanwhile, according to the embodiment of the present invention, in the 3rd dividing plate 140 and be formed without the aperture that aerofluxus can be passed. As an alternative, being formed with condensation aperture 143 in the side of the 3rd dividing plate 140, the condensate of the 4th chamber 114 circulates towards the 3rd chamber 113 via condensation aperture 143. Preferably, the 3rd dividing plate 140 is arranged so that condensation aperture 143 can be positioned at the position that the base section with housing 110 is contiguous within the case 110.

Plate 170 is connected at least one dividing plate in the plurality of dividing plate in the base portion office of housing 110. In an embodiment of the invention, for instance, plate 170 is connected to the first dividing plate 120 and second partition 130. Then, it is preferable that plate 170 is connected to the noncontact edge 125 of the first dividing plate 120 and the noncontact edge 135 of second partition 130. With reference to Fig. 1, between the inwall of plate 170 and housing 110, form the passage that supply and discharge flow of air passes through, and this passage is positioned at the base portion office of housing 110. The noncontact edge 125 of the first dividing plate 120 limits the relative end of this passage respectively with the noncontact edge 135 of second partition 130.

When being so provided with plate 170 at the low portion place of housing 110 according to the present invention, it is possible to remove the intermediate conduit of the connection being used between chamber according to correlation technique. According to the embodiment of the present invention, the noncontact edge 125 of the inwall of housing and the first dividing plate 120 area of the part formed and the area of part that formed by the noncontact edge 135 of the inwall of housing Yu second partition 130 can be identical with the area in the cross section of the relative end of the intermediate conduit used according to correlation technique.

According to the embodiment of the present invention, plate 170 and the dividing plate that connects of the end sections of aerofluxus input channel 160 with and the dividing plate that is connected of the end sections of aerofluxus output channel 150 between extension. Such as, the plate 170 of the embodiment of Fig. 1 can and the second partition 130 that connects of the end sections of aerofluxus input channel 160 with and the first dividing plate 120 of being connected of the end sections of aerofluxus output channel 150 between extension. According to this configuration, the aerofluxus introduced via aerofluxus input channel 160 can flow through the passage formed by plate 170 at the low portion of housing 110, and can be discharged to the outside of housing 110 via aerofluxus output channel 150.

Fig. 3 schematically shows plate 170 according to the embodiment of the present invention. Plate 170 could be formed with the multiple apertures 171 for aerofluxus traverse. According to an embodiment of the invention, number or the gross area in formation aperture 171 in plate 170 can be identical with the number in the aperture formed in the intermediate conduit used in the related or the gross area. According to another embodiment of the present invention, plate 170 can be connected to the inwall of housing, or can with the internal wall separates predetermined gap of housing.

Meanwhile, according to an embodiment of the invention, it is possible to be formed with multiple apertures that aerofluxus can be passed in aerofluxus input channel 160 or aerofluxus output channel 150. Noise characteristic required by silencing apparatus can adjust the formation number in aperture in plate 170, in aerofluxus input channel 160 and in aerofluxus output channel 150, the gap between size and dimension and the inwall of plate 170 and housing 110.

Describing aerofluxus is how to flow in silencing apparatus 100 referring below to Fig. 4, wherein, Fig. 4 schematically depict aerofluxus according to the state of flowing in the silencing apparatus of an embodiment of the invention. Meanwhile, in order to be described, Fig. 4 schematically shows both aerofluxus input channel 160 and aerofluxus output channel 150, and is apparent that the layout that can change pipeline and dividing plate.

Aerofluxus input channel 160 extends in housing 110, extends to second partition 130 through the first dividing plate 120 and introduces exhaust gas in the 3rd chamber 113. The aerofluxus being incorporated in the 3rd chamber 113 flows through the passage 190 formed by plate 170 in the base portion office of housing 110. When aerofluxus is by passage 190, the condensate of the base portion office being gathered in housing 110 is walked clearly by aerofluxus. Aerofluxus flows to the first chamber 111 through passage 190. Meanwhile, the condensate of the 4th chamber 114 can be gathered in the 3rd chamber 113 via the condensation aperture 143 that the 3rd dividing plate 140 is formed, and these condensates also are able to be walked clearly by aerofluxus.

Aerofluxus output channel 150 extends to the first dividing plate 120 through second partition 130. Thus, the aerofluxus having flowed to the first chamber 111 is disposed to the outside of housing 110 via aerofluxus output channel 150, and the condensate then walked clearly from the base section of housing 110 is disposed to outside. Just because of this, in accordance with the invention it is possible to be effectively prevented the phenomenon that condensate is assembled in silencing apparatus 100, particularly in the base portion office of silencing apparatus 100, is detained or gathers, it is thus possible to be greatly reduced the corrosion of this device.

Silencing apparatus according to the present invention and the performance test results of silencing apparatus according to correlation technique have been provided below. Embodiment 1 and embodiment 2 correspond to two kinds of trial-production forms of the silencing apparatus according to the present invention, and comparative example is corresponding to the silencing apparatus according to correlation technique.

Table 1

With reference to table 1, the silencing apparatus of embodiment 1 and embodiment 2 and comparative example accommodates same amount of water. Electromotor runs and the mass flowrate of aerofluxus is gradually increased. Mass flowrate (minimum mass flow rate) is the point in time measurement when water discharges at first to silencing apparatus outside. According to measurement result, when embodiment 1 and embodiment 2, minimum mass flow rate is 110kg/h, and when comparative example, minimum mass flow rate is 160kg/h. By this it can be seen that adopt the vehicle of the silencing apparatus according to the present invention can effectively give off condensate (such as during urban district travels) at lower speeds. That is, when comparative example, discharge condensate spends a lot of times, and probably leaves condensate in silencing apparatus when engine stop work after only running at a low speed. It is thus able to find out, is preventing component corrosion this respect, more favourable according to the silencing apparatus of embodiment 1 and embodiment 2.

Table 2

With reference to table 2, the then experiment of table 1, run electromotor and make the silencing apparatus according to embodiment 1 and embodiment 2 and comparative example have the mass flowrate of identical aerofluxus. In this experiment, given mass flowrate is 215kg/h. In embodiment 1, after electromotor runs 15 minutes, in silencing apparatus, the 65.09% of original condensate is removed; After 30 minutes, the 68.02% of original condensate is removed; After 60 minutes, the 71.88% of original condensate is removed. By contrast, in comparative example, after electromotor runs 15 minutes, the 46.28% of original condensate is removed; After 30 minutes, the 50.34% of original condensate is removed; After 60 minutes, the 54.20% of original condensate is removed. It is thus able to find out, and compared with the silencing apparatus of comparative example, within the given time, has discharged more condensate according to the silencing apparatus of embodiment 1. The situation that embodiment 2 compares with comparative example is also such. It is thus able to find out, compared with comparative example, can effectively give off condensate at short notice according to the silencing apparatus of embodiment 1 and embodiment 2, and therefore, it is possible to be effectively prevented component corrosion.

Notwithstanding embodiments of the present invention, but be claimed in without departing from claim the scope of the present invention can make various remodeling.

Claims

1. a silencing apparatus, including housing, multiple dividing plate and aerofluxus input channel and aerofluxus output channel, described housing includes inner chamber, the plurality of dividing plate is laterally spaced and is connected to the inwall of described housing, described aerofluxus input channel and described aerofluxus output channel are each attached at least one dividing plate in the plurality of dividing plate, and described device also includes:

Plate, described plate is connected at least one dividing plate in the plurality of dividing plate in the base section of described housing, and described plate forms passage between this plate and the described inwall of described housing,

Wherein, described passage is arranged in the described base section of described housing, when making when the described aerofluxus described passage of traverse being incorporated in described housing and be discharged described housing, the condensate being gathered on the described base section of described housing is discharged described housing by described aerofluxus.

2. silencing apparatus according to claim 1, wherein, the dividing plate that described plate is arranged in and described aerofluxus input channel connects with and the dividing plate that is connected of described aerofluxus output channel between.

3. silencing apparatus according to claim 2, wherein,

The plurality of dividing plate includes the first dividing plate and second partition;

Described housing includes the first chamber limited by the side of described first dividing plate, the opposite side of described first dividing plate and the side of described second partition the second chamber limited and the 3rd chamber limited by the opposite side of described second partition;

Described aerofluxus input channel extends to described second partition through described first dividing plate so that described aerofluxus is introduced in described 3rd chamber;

The aerofluxus of described 3rd chamber is via described channel flow to described first chamber; And

Described aerofluxus output channel extends to described first dividing plate through described second partition so that the described aerofluxus of described first chamber is discharged described housing.

4. device according to claim 1, wherein, described plate or be formed with multiple aperture in described aerofluxus output channel.

5. device according to claim 1, wherein, in the plurality of dividing plate, the peripheral surface of the end of at least one dividing plate have not with the noncontact edge of the described contact internal walls of described housing, and aerofluxus flows through between described noncontact edge and the described inwall of described housing.

6. device according to claim 5, wherein, described plate is connected to the described noncontact position of described dividing plate.

7. device according to claim 1, wherein, the plurality of dividing plate includes the 3rd dividing plate, and described 3rd dividing plate includes the condensation hole for condensate traverse at the position contiguous with the described base section of described housing.