Exhaust treatment device, engine assembly and vehicle

Abstract

The embodiment of the utility model provides an exhaust treatment device, an engine assembly and a vehicle, relates to the technical field of vehicles, and aims to solve the problem that heat of an exhaust post-treatment assembly can be continuously transmitted to the periphery of a support through the support, so that parts around the support can exceed the temperature limit value of the support. The exhaust gas treatment device comprises a shell, a first exhaust gas treatment device, a first pipeline, a second pipeline, a support and a first heat insulation cover. The first exhaust processor is arranged in the shell, the areas, located at the two ends of the first exhaust processor, in the shell are a first area and a second area respectively in the gas conveying path direction in the shell, the first pipeline is communicated with the second area, and the second pipeline is communicated with the first area; the support is fixedly connected to the outer surface of the shell, the first pipeline and the second pipeline are fixedly connected to the support, and the side, away from the shell, of the support is covered with the first heat insulation cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field especially, relate to an exhaust treatment device, the utility model discloses still be equipped with the engine assembly of this exhaust treatment device, the utility model discloses still be equipped with the vehicle of this engine assembly. BACKGROUND

[0002] The exhaust aftertreatment assembly is provided with a pipeline for connecting with the pressure sensor. The pipeline is generally fixedly connected to the shell of the exhaust aftertreatment assembly through a support. Since the exhaust aftertreatment assembly has a high temperature, and the devices are arranged compactly in the area where the support is located, the heat of the exhaust aftertreatment assembly located in the area where the support is located will continuously pass through the support and be transmitted to the outer periphery of the support, which may cause the temperature of some components in the outer periphery of the support to exceed the limit value, thereby causing the performance of the related components to attenuate. SUMMARY

[0003] Therefore, the utility model aims at providing an exhaust treatment device to solve the problem that the heat of the exhaust aftertreatment assembly continuously passes through the support and is transmitted to the outer periphery of the support, which may cause the components around the support to exceed the temperature limit value.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] The exhaust treatment device provided by the utility model comprises a shell, a first exhaust treatment device, a first pipeline, a second pipeline, a support and a first heat shield. The first exhaust treatment device is arranged in the shell. In the direction of the gas conveying path in the shell, the areas located at both ends of the first exhaust treatment device in the shell are a first area and a second area, respectively. The first pipeline is in communication with the second area, and the second pipeline is in communication with the first area. The support is fixedly connected to the outer surface of the shell. The first pipeline and the second pipeline are fixedly connected to the support. The first heat shield cover is arranged on the side of the support away from the shell.

[0006] Optionally, the first heat shield comprises an inner cladding layer, a heat insulation medium layer and an outer cladding layer arranged in layers. In this way, the first heat shield has good heat insulation performance by being in a three-layer stacked structure, and has the advantages of low cost and long service life.

[0007] Optionally, the bracket comprises a first support part, a first connecting part and a second support part, the second support part is arranged opposite to the first support part, and the first connecting part is connected to the opposite sides of the first support part and the second support part respectively; one side of the first support part away from the first connecting part is fixedly connected to the shell, and one side of the second support part away from the first connecting part is fixedly connected to the shell. In this way, an air cavity is formed between the first support part, the first connecting part, the second support part and the shell, and the air cavity can be used to reduce the heat transferred by the exhaust treatment device to the periphery of the bracket through the bracket.

[0008] Optionally, the first heat shield is arranged around the periphery of the first connecting part in the orthographic projection of the first heat shield on the first connecting part. In this way, the first heat shield can be arranged to cover the entire top surface of the first connecting part, thereby improving the heat insulation effect of the first heat shield on the bracket.

[0009] Optionally, the first heat shield comprises a first bending part, a main body part and a second bending part connected in sequence; the main body part is opposite to the first connecting part, the first bending part and the second bending part are respectively located at the two ends of the main body part in a direction perpendicular to the direction in which the first support part faces the second support part, and the bracket is located between the first bending part and the second bending part. In this way, the first heat shield can be arranged around the bracket, thereby further improving the heat insulation effect of the first heat shield on the bracket.

[0010] Optionally, one side of the first support part away from the first connecting part is provided with a second connecting part, and the second connecting part is welded to the outer surface of the shell; one side of the second support part away from the first connecting part is provided with a third connecting part, and the third connecting part is fixedly connected to the outer surface of the shell. In this way, the bracket is fixedly connected to the outer surface of the shell through the second connecting part and the third connecting part respectively, which can avoid the threaded connecting holes arranged on the shell, thereby avoiding the leakage problem of the exhaust treatment device at the threaded connecting holes. In addition, since the bracket is welded to the outer surface of the shell through the second connecting part and the third connecting part respectively, the connection difficulty between the bracket and the shell can be reduced, and the connection firmness between the bracket and the shell can be improved.

[0011] Optionally, the bracket is provided with a first groove and a second groove, the first heat shield is provided with a third groove and a fourth groove, a groove wall of the third groove is opposite to a groove wall of the first groove, the first pipeline is clamped between the groove wall of the first groove and the groove wall of the third groove, a groove wall of the fourth groove is opposite to a groove wall of the second groove, and the second pipeline is clamped between the groove wall of the second groove and the groove wall of the fourth groove. In this way, by arranging the first groove on the bracket, arranging the third groove on the first heat shield, and clamping the first pipeline between the groove wall of the first groove and the groove wall of the third groove, the limiting effect of the bracket and the first heat shield on the first pipeline can be improved.

[0012] Optionally, the first exhaust treatment device is a particulate trap.

[0013] The above at least one technical scheme adopted by the embodiment of the utility model can achieve the following beneficial effects:

[0014] In the embodiment of the utility model, the first pipeline and the second pipeline are fixedly connected to the shell through the bracket, so that the limiting effect of the first pipeline and the second pipeline can be improved, so as to prevent the first pipeline and the second pipeline from shaking during the driving of the vehicle, and further prevent the first pipeline or the second pipeline from being damaged.

[0015] Moreover, the side, away from the shell, of the bracket is provided with the first heat shield. In this way, the first heat shield can be used to reduce the heat transferred from the exhaust treatment device to the outer periphery of the bracket through the bracket. Thus, the problem that the components around the bracket exceed the temperature limit value can be improved.

[0016] Another object of the utility model is to provide an engine assembly, wherein any one of the exhaust treatment devices described above is arranged.

[0017] The engine assembly has the same beneficial effects as the exhaust treatment device described above, and thus will not be described here again.

[0018] Another object of the utility model is to provide a vehicle, wherein any one of the engine assemblies described above is arranged.

[0019] The vehicle has the same beneficial effects as the exhaust treatment device described above, and thus will not be described here again.

[0020] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the drawings needed to be used in the description of the embodiments or the related art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1.

[0023] Figure 2 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1. Figure 1 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1.

[0024] Figure 3 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1. Figure 2 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1.

[0025] Figure 4 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1. Figure 3 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1.

[0026] Figure 5 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1. Figure 1 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1.

[0027] Figure 6 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1. Figure 5 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1.

[0028] Figure 7 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1.

[0029] Figure 8 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1.

[0030] Figure 9 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1.

[0031] Figure 10 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1. Figure 1 A schematic view of an exhaust treatment device provided by the present application is shown in FIG. 1. Figure 1

[0032] Explanation of reference signs:

[0033] 100 - exhaust treatment device ​

[0034] 110 - housing; 111 - air inlet;

[0035] 121 - first exhaust treatment device; 122 - second exhaust treatment device;

[0036] 131 - first conduit; 132 - second conduit;

[0037] 140 - bracket; 141 - first support portion; 142 - first connecting portion; 143 - second support portion; 144 - second connecting portion; 145 - third connecting portion; 146 - first recess; 147 - second recess; 140a - air cavity;

[0038] 150 - first heat shield; 151 - inner cladding layer; 152 - heat insulation medium layer; 153 - outer cladding layer; 154 - third recess; 155 - fourth recess; 156 - first bending portion; 157 - main body portion; 158 - second bending portion;

[0039] 160 - threaded fastener;

[0040] 171 - second heat shield; 172 - third heat shield;

[0041] 181 - bellows; 182 - gas delivery conduit. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will combine the utility model specific embodiment and corresponding drawings to make the utility model technical scheme clear and complete. Obviously, the described embodiment is only a part of the utility model embodiment, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0043] In the description of the utility model, it is necessary to explain that, unless there is explicit provision and limitation, the term "installation", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, can be detachable connection, or integrally connected, can be direct connection, can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For the person skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0044] In addition, although the terms used in the utility model are selected from the commonly known and used terms, some terms mentioned in the utility model specification can be selected by the applicant according to his or her judgment, and the detailed meaning is explained in the relevant part of the description in this document.

[0045] Furthermore, it is required that this utility model be understood not only through the actual terminology used, but also through the meaning implied by each term.

[0046] The technical solutions provided by the various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0047] This utility model provides an exhaust gas treatment device. (See reference...) Figures 1 to 10 The exhaust treatment device 100 provided in this embodiment of the utility model includes: a housing 110, a first exhaust processor 121, a first pipe 131, a second pipe 132, a bracket 140, and a first heat insulation cover 150.

[0048] The first exhaust processor 121 is disposed inside the housing 110. In the gas delivery path direction inside the housing 110, the regions located at both ends of the first exhaust processor 121 inside the housing 110 are the first region and the second region, respectively. The first pipe 131 is connected to the second region, and the second pipe 132 is connected to the first region.

[0049] by Figure 10 Taking the shown orientation as an example, the gas delivered to the housing 110 is delivered in a downward direction. When the first exhaust processor 121 is located inside the housing 110, in the downward direction, the area within the housing 110 located above the first exhaust processor 121 is designated as the first region, and the area within the housing 110 located above the first exhaust processor 121 is designated as the second region. It should be noted that when the exhaust treatment device 100 is actually installed in a vehicle, the specific orientation of the housing 110 can be flexibly adjusted according to requirements. This embodiment of the invention does not limit the housing 110 to a specific orientation. Figure 9 The posture shown, extending downwards from above, is fixed to the vehicle.

[0050] For example, the housing 110 is provided with a first through hole and a second through hole respectively communicating with a first region and a second region. A first conduit 131 is sealed to the periphery of the opening of the second through hole; for example, the first conduit 131 is welded to the periphery of the opening of the second through hole, so that the first conduit 131 communicates with the second region. A second conduit 132 is sealed to the periphery of the opening of the first through hole; for example, the second conduit 132 is welded to the periphery of the opening of the first through hole, so that the second conduit 132 communicates with the first region.

[0051] In this way, by adopting the scheme provided in the embodiment of the utility model, the first pipeline 131 is in communication with the region at one end of the first exhaust treatment device 121 in the shell 110, and the second pipeline 132 is in communication with the region at the other end of the first exhaust treatment device 121 in the shell 110. Furthermore, the gas at both ends of the first exhaust treatment device 121 can be respectively delivered to the differential pressure sensor by connecting the first pipeline 131 and the second pipeline 132 to the differential pressure sensor. Thus, the differential pressure at both ends of the first exhaust treatment device 121 can be detected by the differential pressure sensor. Therefore, whether the first exhaust treatment device 121 is blocked can be determined based on the detection signal obtained by the differential pressure sensor.

[0052] Further, in the embodiment of the utility model, the bracket 140 is fixedly connected to the outer surface of the shell 110. For example, the bracket 140 can be welded to the outer surface of the shell 110. Alternatively, the bracket 140 can be adhered to the outer surface of the shell 110 by using a high-temperature-resistant adhesive. Alternatively, the bracket 140 can be fixed to the outer surface of the shell 110 by using a threaded fastener such as a screw or a bolt. The embodiment of the utility model does not limit the connection mode between the bracket 140 and the shell 110.

[0053] Further, the first pipeline 131 and the second pipeline 132 are fixedly connected to the bracket 140, and the first heat shield 150 is arranged on the side of the bracket 140 away from the shell 110.

[0054] In this way, in the embodiment of the utility model, the first pipeline 131 and the second pipeline 132 are fixedly connected to the shell 110 via the bracket 140, so that the limiting effect of the first pipeline 131 and the second pipeline 132 can be improved, thereby preventing the first pipeline 131 and the second pipeline 132 from shaking during the driving of the vehicle, and further preventing the first pipeline 131 or the second pipeline 132 from being damaged.

[0055] Moreover, the side of the bracket 140 away from the shell 110 is covered with the first heat shield 150. In this way, the first heat shield 150 can be used to reduce the heat transferred from the exhaust treatment device 100 to the outer periphery of the bracket 140 via the bracket 140, so that the surrounding components of the bracket 140 can be prevented from absorbing too much heat. Thus, the problem that the surrounding components of the bracket 140 exceed their temperature limits can be improved.

[0056] Reference Figures 2 to 4 In some embodiments, the first heat shield 150 includes an inner cladding layer 151, a heat insulation medium layer 152, and an outer cladding layer 153 arranged in layers.

[0057] Exemplarily, the inner cladding layer 151 and the outer cladding layer 153 are both made of a metal material. In other words, the inner cladding layer 151 is a first metal layer, and the outer cladding layer 153 is a second metal layer. For example, the inner cladding layer 151 and the outer cladding layer 153 are both punched from an aluminum plate. For example, the thickness of the aluminum plate is 0.4-1 mm. For example, the thickness of the aluminum plate is specifically 0.5 mm.

[0058] Exemplarily, the heat insulation medium layer 152 can be a glass fiber layer. For example, the thickness of the glass fiber layer is 0.5-2 mm. For example, the thickness of the glass fiber layer is specifically 1 mm. It should be noted that the glass fiber has the advantages of high temperature resistance, non-combustion, corrosion resistance, heat insulation, and high tensile strength, and therefore, when the heat insulation medium layer 152 is a glass fiber layer, the first heat shield 150 has good heat insulation performance and a long service life.

[0059] Of course, those skilled in the art can flexibly select the materials of the inner cladding layer 151, the heat insulation medium layer 152, and the outer cladding layer 153 according to actual needs in the process of implementing the scheme provided by the present application, and the materials of the inner cladding layer 151, the heat insulation medium layer 152, and the outer cladding layer 153 will not be listed one by one here. In addition, those skilled in the art can flexibly adjust the thicknesses of the inner cladding layer 151, the heat insulation medium layer 152, and the outer cladding layer 153 according to actual needs in the process of implementing the scheme provided by the present application, and the adjustment will not be expanded here.

[0060] It should be noted that, in the embodiment of the present application, by making the first heat shield 150 have a three-layer stacked structure, the first heat shield 150 has good heat insulation performance, and the first heat shield 150 has the advantages of low cost and long service life.

[0061] It can be understood that, in other embodiments, the first heat shield 150 can have other configurations. For example, the first heat shield 150 can have more than three stacked layers. Alternatively, the first heat shield 150 can be composed of only one heat insulation medium layer. In the embodiment of the present application, only the first heat shield 150 needs to have heat insulation capability, and the specific number of layers or the configuration of the first heat shield 150 is not limited in the embodiment of the present application.

[0062] Reference Figure 6 and Figure 7In some embodiments, the bracket 140 comprises a first support portion 141, a first connecting portion 142, and a second support portion 143. The second support portion 143 is arranged opposite to the first support portion 141, and the first connecting portion 142 is connected to the opposite sides of the first support portion 141 and the second support portion 143, respectively. The side of the first support portion 141 away from the first connecting portion 142 is fixedly connected to the shell 110, and the side of the second support portion 143 away from the first connecting portion 142 is fixedly connected to the shell 110.

[0063] In this way, an air cavity 140a is formed between the first support portion 141, the first connecting portion 142, the second support portion 143, and the shell 110, and the air cavity 140a can be used to reduce the heat transferred from the exhaust treatment device 100 to the outer periphery of the bracket 140 via the bracket 140.

[0064] In some embodiments, to further reduce the heat transferred from the exhaust treatment device 100 to the outer periphery of the bracket 140 via the bracket 140, perforations can be provided on the first support portion 141 and the second support portion 143 to reduce the heat transferred directly from the first support portion 141 and the second support portion 143 to the first connecting portion 142, and further reduce the heat transferred from the first connecting portion 142 to the outer periphery of the bracket 140.

[0065] In addition, in some embodiments, the side of the first support portion 141 facing the second support portion 143, the side of the first connecting portion 142 facing the shell 110, and the side of the second support portion 143 facing the first support portion 141 can be respectively sprayed with a heat insulation coating. In this way, the heat transferred from the exhaust treatment device 100 to the outer periphery of the bracket 140 via the bracket 140 can be reduced.

[0066] Reference Figure 6 and Figure 7 In some embodiments, the side of the first support portion 141 away from the first connecting portion 142 is provided with a second connecting portion 144, and the second connecting portion 144 is fixedly connected to the outer surface of the shell 110. The side of the second support portion 143 away from the first connecting portion 142 is provided with a third connecting portion 145, and the third connecting portion 145 is fixedly connected to the outer surface of the shell 110.

[0067] Exemplarily, the second connecting portion 144 and the third connecting portion 145 can be welded to the outer surface of the shell 110. In this way, the bracket 140 can be welded to the outer surface of the shell 110 through the second connecting portion 144 and the third connecting portion 145, respectively, so that the threaded connecting holes can be avoided to be arranged on the shell 110, and thus the leakage problem of the exhaust treatment device 100 at the threaded connecting holes can be avoided due to the arrangement of the threaded connecting holes. In addition, since the bracket 140 is welded to the outer surface of the shell 110 through the second connecting portion 144 and the third connecting portion 145, respectively, the connection difficulty of the bracket 140 and the shell 110 can be reduced, and the connection firmness between the bracket 140 and the shell 110 can be improved.

[0068] Of course, in other embodiments, some threaded connecting portions can be arranged on the outer surface of the shell 110 under the premise of ensuring that the sealing performance of the shell 110 is not damaged, so that the bracket 140 can be fixed to the outer surface of the shell 110 by means of the threaded connecting members penetrating through the second connecting portion 144 and the third connecting portion 145 and being connected with the threaded connecting portions.

[0069] Reference Figures 7 to 9 In some embodiments, the first heat shield 150 is arranged around the outer periphery of the first connecting portion 142 in the orthographic projection of the first connecting portion 142. In this way, the heat insulation effect of the first heat shield 150 on the bracket 140 can be improved by means of the first heat shield 150 being arranged on the entire top surface of the first connecting portion 142.

[0070] Reference Figures 7 to 9 In some embodiments, the first heat shield 150 comprises a first bending portion 156, a main body portion 157 and a second bending portion 158 connected in sequence. The main body portion 157 is opposite to the first connecting portion 142. Exemplarily, the main body portion 157 can be in abutment with the first connecting portion 142. For example, the main body portion 157 can be stacked on the first connecting portion 142, and the threaded connecting member can be used to fixedly connect the main body portion 157 and the first connecting portion 142.

[0071] The first bending portion 156 and the second bending portion 158 are located at two ends of the main body portion 157 in a direction perpendicular to the direction in which the first supporting portion 141 is directed towards the second supporting portion 143. The bracket 140 is located between the first bending portion 156 and the second bending portion 158. In this way, the heat insulation effect of the first heat shield 150 on the bracket 140 can be further improved.

[0072] For those skilled in the art to understand the above solutions, please refer to Figure 4 , Figures 5 to 9 , wherein Figure 9The first support portion 141 is shown as an example in a direction from front to back, and is directed toward the second support portion 143. In a direction from left to right, the first bent portion 156 and the second bent portion 158 are respectively located at two ends of the main body portion 157. The bracket 140 is located between the first bent portion 156 and the second bent portion 158. In this way, the first heat shield 150 can be wrapped around the left and right sides of the bracket 140 to prevent the exhaust treatment device 100 from losing heat through the left and right sides of the bracket 140 to the outside of the bracket 140.

[0073] Reference Figures 2 to 5 In some embodiments, the first heat shield 150 is fixedly connected to the first connecting portion 142 by a threaded fastener 160. The threaded fastener 160 is exemplarily a screw or a bolt, etc. In this way, the threaded fastener 160 can be used to connect the first heat shield 150 to the first connecting portion 142, thereby reducing the assembly difficulty between the first heat shield 150 and the bracket 140.

[0074] The first connecting portion 142 is exemplarily provided with a threaded hole. The threaded fastener 160 is threaded through the first heat shield 150 and is threadedly connected to the threaded hole of the first connecting portion 142. Alternatively, the side of the first connecting portion 142 away from the first heat shield 150 is exemplarily provided with a nut. The threaded fastener 160 is threaded through the first heat shield 150 and the first connecting portion 142 and is connected to the nut. For example, the nut can be welded to the side of the first connecting portion 142 away from the first heat shield 150.

[0075] Reference Figures 2 to 8 In some embodiments, the bracket 140 is provided with a first recess 146 and a second recess 147, and the first heat shield 150 is provided with a third recess 154 and a fourth recess 155. The groove wall of the third recess 154 is opposite to the groove wall of the first recess 146, and the first pipe 131 is clamped between the groove wall of the first recess 146 and the groove wall of the third recess 154. The groove wall of the fourth recess 155 is opposite to the groove wall of the second recess 147, and the second pipe 132 is clamped between the groove wall of the second recess 147 and the groove wall of the fourth recess 155.

[0076] In this way, by providing the first recess 146 on the bracket 140, the third recess 154 on the first heat shield 150, and clamping the first pipe 131 between the groove wall of the first recess 146 and the groove wall of the third recess 154, the positioning effect of the bracket 140 and the first heat shield 150 on the first pipe 131 can be improved.

[0077] Similarly, by providing the second groove 147 on the bracket 140, the fourth groove 155 on the first heat shield 150, and in such a way that the second pipe 132 is clamped between the groove walls of the second groove 147 and the groove walls of the fourth groove 155, the positioning effect of the bracket 140 and the first heat shield 150 on the second pipe 132 can be improved.

[0078] Exemplarily, the first groove 146, the second groove 147, the third groove 154, and the fourth groove 155 are all semicircular arc grooves. The first groove 146 and the third groove 154 are spliced to form a first cylindrical hole. The first pipe 131 is arranged in the first cylindrical hole. The second groove 147 and the fourth groove 155 are spliced to form a second cylindrical hole. The second pipe 132 is arranged in the second cylindrical hole.

[0079] Exemplarily, the bracket 140 can be made of a metal material. For example, the bracket 140 is punched from a steel sheet. The first heat shield 150 can also be made by a punching process.

[0080] In addition, exemplarily, the heat insulation medium layer 152 is provided with an adhesive layer on both sides along its own thickness direction, and the inner cladding layer 151 and the outer cladding layer 153 are connected with the adhesive layers on both sides of the heat insulation medium layer 152.

[0081] In some embodiments, a three-layer stacked structure in the form of a flat plate can be first manufactured. Then, the three-layer stacked structure is processed into the required shape by a punching forming method. Of course, in other embodiments, the inner cladding layer 151, the heat insulation medium layer 152, and the outer cladding layer 153 can be punched respectively. Then, the inner cladding layer 151, the heat insulation medium layer 152, and the outer cladding layer 153 are combined to form the first heat shield 150.

[0082] Reference Figure 1 and Figure 5 In some embodiments, the shell 110 is provided with an air inlet 111, and the bracket 140 is connected to one end of the shell 110 provided with the air inlet 111. In this way, the bracket 140 provided at one end of the shell 110 provided with the air inlet 111 can be used to limit the running direction of the first pipe 131 and the second pipe 132.

[0083] In some embodiments, the first exhaust processor 121 is a particulate trap. A particulate trap is also known as a particulate filter. A particulate trap is a ceramic filter installed in the engine exhaust system. The particulate trap can trap particulate emission materials before they enter the atmosphere, thereby reducing soot emissions from the engine into the environment. The particulate trap is divided into two types: a diesel particulate filter (DPF) and a gasoline particulate filter (GPF).

[0084] In this way, the pressure difference across the particulate trap can be determined by the pressure difference sensor by conveying the gas at both ends of the particulate trap to the pressure difference sensor through the first pipe 131 and the second pipe 132, thereby determining whether the particulate trap is blocked.

[0085] Exemplarily, the first pipe 131 and the second pipe 132 can be hard pipes. The first pipe 131 and the second pipe 132 have high pressure resistance and heat resistance.

[0086] Reference Figure 1 and Figure 10 In some embodiments, the exhaust treatment device 100 further comprises a second exhaust processor 122. Exemplarily, the second exhaust processor 122 is a catalytic converter. For example, the catalytic converter is a three-way catalytic converter (TWC). The three-way catalytic converter is generally located between the exhaust manifold and the muffler. The three-way catalytic converter is used to convert harmful substances such as carbon monoxide in the input exhaust treatment device 100 into harmless substances.

[0087] The second exhaust processor 122 is arranged in the housing 110. Specifically, the second exhaust processor 122 is arranged on the side of the first exhaust processor 121 close to the air inlet 111.

[0088] Reference Figure 2 In some embodiments, the exhaust treatment device 100 further comprises a second heat shield 171. The second heat shield 171 covers the outside of the housing 110. The second heat shield 171 is provided with a plurality of hollow parts. For example, the second heat shield 171 is provided with a first hollow part corresponding to the bracket 140. The bracket 140 is connected to the housing 110 through the first hollow part. The second heat shield 171 is further provided with a second hollow part and a third hollow part. The first pipe 131 communicates with the housing through the second hollow part. The second pipe 132 communicates with the housing through the third hollow part.

[0089] Exemplarily, the second heat shield 171 can include a first shield body and a second shield body. The first shield body and the second shield body are spliced together, and thus are sleeved outside the shell 110. For example, the main body of the shell 110 is in a cylindrical shape. The first shield body and the second shield body are respectively arranged at two sides of the main body of the shell 110 relative to an axis of the main body of the shell 110.

[0090] In some embodiments, the exhaust treatment device 100 further includes a bellows 181. The bellows 181 is used to compensate for thermal deformation of the pipeline; the bellows 181 can also serve to dampen, absorb pipeline deformation, etc. The shell 110 is connected to a gas delivery pipe 182 via the bellows 181. In addition, the exhaust treatment device 100 further includes a third heat shield 172. The third heat shield 172 covers the outside of the gas delivery pipe 182.

[0091] Exemplarily, the side of the shell 110 away from the bellows 181 is provided with an air inlet flange. The air inlet flange is used to be connected to an exhaust port of an engine. The side of the gas delivery pipe 182 away from the bellows 181 is provided with an air outlet flange. The air outlet flange is used to be connected to an exhaust pipe.

[0092] The engine assembly provided by the embodiment of the present application includes: an engine and any one of the exhaust treatment devices 100 provided by the embodiments of the present application. The engine is connected to the air inlet 111 of the shell 110 via an exhaust pipe.

[0093] The engine assembly of the present application has the same beneficial effects as the exhaust treatment device 100 provided by the embodiments of the present application, and thus will not be repeated here.

[0094] The vehicle provided by the embodiments of the present application includes: any one of the engine assemblies provided by the embodiments of the present application.

[0095] Exemplarily, the vehicle can be an off-road vehicle (ORV for short). Alternatively, the vehicle can be a sport utility vehicle (SUV for short). Alternatively, the vehicle can be a small car. Here, they will not be listed one by one.

[0096] The vehicle of the present application has the same beneficial effects as the engine assembly provided by the embodiments of the present application, and thus will not be repeated here.

[0097] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0098] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An exhaust treatment device, characterized by, include: The housing (110), the first exhaust processor (121), the first pipe (131), the second pipe (132), the bracket (140), and the first heat shield (150); The first exhaust processor (121) is disposed inside the housing (110). In the gas delivery path direction inside the housing (110), the regions located at both ends of the first exhaust processor (121) inside the housing (110) are the first region and the second region, respectively. The first pipe (131) is connected to the second region, and the second pipe (132) is connected to the first region. The bracket (140) is fixedly connected to the outer surface of the housing (110), the first pipe (131) and the second pipe (132) are fixedly connected to the bracket (140), and the first heat insulation cover (150) is covered on the side of the bracket (140) away from the housing (110).

2. The exhaust treatment device of claim 1, wherein, The first heat insulation cover (150) includes an inner covering layer (151), a heat insulation medium layer (152), and an outer covering layer (153) stacked together.

3. The exhaust treatment device of claim 1, wherein, The bracket (140) includes a first support part (141), a first connecting part (142), and a second support part (143). The second support part (143) is disposed opposite to the first support part (141), and the first connecting part (142) is connected to the opposite sides of the first support part (141) and the second support part (143). The first support part (141) is fixedly connected to the housing (110) on the side opposite to the first connecting part (142), and the second support part (143) is fixedly connected to the housing (110) on the side opposite to the first connecting part (142).

4. The exhaust treatment device of claim 3, wherein, The orthographic projection of the first heat shield (150) onto the first connecting portion (142) surrounds the outer periphery of the first connecting portion (142).

5. The exhaust treatment device of claim 3, wherein, The first heat shield (150) includes a first bent portion (156), a main body portion (157), and a second bent portion (158) connected in sequence. The main body (157) is opposite to the first connecting part (142). In a direction perpendicular to the direction of the first support part (141) toward the second support part (143), the first bending part (156) and the second bending part (158) are located at both ends of the main body (157), and the bracket (140) is located between the first bending part (156) and the second bending part (158).

6. The exhaust treatment device of claim 3, wherein, The first support part (141) has a second connecting part (144) on the side opposite to the first connecting part (142), and the second connecting part (144) is fixedly connected to the outer surface of the housing (110); The second support (143) has a third connection (145) on the side opposite to the first connection (142), and the third connection (145) is fixedly connected to the outer surface of the housing (110).

7. The exhaust treatment device of claim 1, wherein, The bracket (140) is provided with a first recess (146) and a second recess (147), the first heat shield (150) is provided with a third recess (154) and a fourth recess (155); The groove wall of the third recess (154) is opposite to the groove wall of the first recess (146), and the first pipeline (131) is clamped between the groove wall of the first recess (146) and the groove wall of the third recess (154); The groove wall of the fourth recess (155) is opposite to the groove wall of the second recess (147), and the second pipeline (132) is clamped between the groove wall of the second recess (147) and the groove wall of the fourth recess (155).

8. The exhaust treatment device of claim 1, wherein, The first exhaust treatment device (121) is a particle trap.

9. An engine assembly characterized by, The exhaust treatment device according to any one of claims 1 to 8, wherein the engine is connected to the intake port (111) of the housing (110) via an exhaust pipe. The exhaust treatment device according to any one of claims 1 to 8, wherein the engine is connected to the intake port (111) of the housing (110) via an exhaust pipe.

10. A vehicle characterized by comprising: The engine assembly according to claim 9. ​

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