CN214775365U - Exhaust device of extended-range cold-chain logistics vehicle - Google Patents
Exhaust device of extended-range cold-chain logistics vehicle Download PDFInfo
- Publication number
- CN214775365U CN214775365U CN202121446512.2U CN202121446512U CN214775365U CN 214775365 U CN214775365 U CN 214775365U CN 202121446512 U CN202121446512 U CN 202121446512U CN 214775365 U CN214775365 U CN 214775365U
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- Prior art keywords
- way catalyst
- exhaust
- chain logistics
- cold chain
- extended range
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- 239000003054 catalyst Substances 0.000 claims abstract description 70
- 238000002485 combustion reaction Methods 0.000 claims abstract description 20
- 238000010248 power generation Methods 0.000 claims abstract description 14
- 230000003584 silencer Effects 0.000 claims abstract description 12
- 230000035939 shock Effects 0.000 claims description 8
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 238000006555 catalytic reaction Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Exhaust Silencers (AREA)
Abstract
The utility model discloses an increase form cold chain logistics car's exhaust apparatus, increase form cold chain logistics car includes increases the journey power generation facility, it includes generator and internal-combustion engine to increase the journey power generation facility, the internal-combustion engine drives the generator electricity generation; the exhaust device is arranged at an exhaust port of the internal combustion engine; the exhaust device comprises a primary three-way catalyst, a secondary three-way catalyst and a silencer; the first-stage three-way catalyst, the second-stage three-way catalyst and the silencer are sequentially connected in series through an exhaust pipe. The utility model discloses can improve the continuation of the journey mileage of cold chain commodity circulation car, the harmful substance in the tail gas that can significantly reduce through the second grade catalysis of one-level three way catalyst converter and second grade three way catalyst converter improves the tail gas quality, makes exhaust emissions reach six standards of state. And the scheme adopts a two-stage three-way catalyst, so that the volumes of the first-stage three-way catalyst and the second-stage three-way catalyst are smaller, and the layout of an exhaust device is convenient.
Description
Technical Field
The utility model relates to a cold chain logistics car technical field especially relates to an increase exhaust apparatus of form cold chain logistics car.
Background
The cold-chain logistics vehicle is mainly used for distributing seafood, frozen food and other articles needing low-temperature preservation. With the development of new energy automobile technology, new energy cold-chain logistics vehicles are more and more, and the existing new energy cold-chain logistics vehicle is mainly powered by a driving battery serving as a driving motor so as to drive the vehicle to run. However, the driving battery capacity of the existing new energy cold-chain logistics vehicle (for example, a cold-chain logistics vehicle with a length of 4.2 meters or 5.2 meters) is small, and the driving mileage is insufficient, for example, the driving mileage of a small-sized cold-chain logistics vehicle with a driving battery capacity of 40 degrees is only about 80 kilometers. The conventional small-sized cold-chain logistics vehicle has the problem of mileage anxiety because the vehicle chassis space is limited, a large-sized driving battery cannot be mounted, and other driving devices cannot be mounted in enough space.
And the vehicle chassis space of the existing small-sized cold-chain logistics vehicle is very limited, and enough space cannot be vacated for installing a large-size tail gas treatment device, so that the tail gas emission standard of the traditional power cold-chain logistics vehicle can only meet the requirement of the heavy-load state four, and cannot meet the emission standard of the state six.
SUMMERY OF THE UTILITY MODEL
Therefore, an exhaust device of the extended-range cold-chain logistics vehicle needs to be provided, and the exhaust device is used for solving the technical problems that the new-energy cold-chain logistics vehicle is low in endurance mileage and poor in exhaust emission quality in the prior art.
In order to achieve the above object, the utility model provides an increase form cold chain logistics car's exhaust apparatus, increase form cold chain logistics car includes the range power generation facility that increases, the range power generation facility that increases includes generator and internal-combustion engine, internal-combustion engine drive the generator electricity generation; the exhaust device is arranged at an exhaust port of the internal combustion engine; the exhaust device comprises a primary three-way catalyst, a secondary three-way catalyst and a silencer;
the first-stage three-way catalyst, the second-stage three-way catalyst and the silencer are sequentially connected in series through an exhaust pipe.
Further, the exhaust pipe comprises a first exhaust section extending along the vertical direction and a second exhaust section extending along the horizontal direction; the first-stage three-way catalyst is located in the first exhaust section, and the second-stage three-way catalyst and the muffler are located in the second exhaust section.
Furthermore, the exhaust pipe is provided with elbows at the front end and the rear end of the primary three-way catalyst respectively.
Furthermore, the exhaust pipe is provided with elbows at the front end and the rear end of the secondary three-way catalyst respectively.
Further, a damper is connected in series between the first-stage three-way catalyst and the second-stage three-way catalyst.
Further, the exhaust pipe comprises more than two pipelines, and the more than two pipelines are connected through a connecting flange.
Furthermore, increase form cold-chain logistics car includes drive battery, drive battery set up in increase form cold-chain logistics car chassis axis is last, the blast pipe by drive battery's front portion extends to drive battery's side.
Further, the air outlet of the exhaust device is positioned in front of the rear axle of the extended range type cold chain logistics vehicle.
Further, the length of the extended range type cold chain logistics vehicle is 4.5-5.99 meters.
Furthermore, exhaust apparatus still includes a plurality of connecting pieces, the one end of connecting piece with the silencer and blast pipe fixed connection, the other end of connecting piece passes through the shock pad and is connected with automobile body welding lug.
Different from the prior art, the range-extended cold-chain logistics vehicle comprises the range-extended power generation device, the range-extended power generation device comprises a generator and an internal combustion engine, the internal combustion engine drives the generator to generate power, and the generator supplies power to a driving battery, so that the cruising mileage of the cold-chain logistics vehicle can be improved; and exhaust apparatus includes one-level three way catalyst converter, second grade three way catalyst converter and silencer, one-level three way catalyst converter second grade three way catalyst converter with the silencer loops through the blast pipe and establishes ties, and the tail gas that the internal-combustion engine produced loops through one-level three way catalyst converter and second grade three way catalyst converter catalytic reaction back and discharges from the silencer, consequently can significantly reduce the harmful substance in the tail gas through second grade catalysis, improves the tail gas quality, makes tail gas emission reach six state standards. And the scheme adopts a two-stage three-way catalyst, so that the volumes of the first-stage three-way catalyst and the second-stage three-way catalyst are smaller, and the layout of an exhaust device is convenient.
Drawings
FIG. 1 is a schematic structural diagram of an exhaust unit of an extended range cold chain logistics vehicle according to an embodiment;
fig. 2 is a schematic structural diagram of a middle-rear section of the exhaust apparatus according to the embodiment.
Description of reference numerals:
1. a primary three-way catalyst;
2. a secondary three-way catalyst;
3. a muffler;
4. an exhaust pipe;
5. bending the pipe;
51. elbow bend
6. A connecting flange;
7. a connecting member;
71. a shock pad;
8. shock absorber
21. A second exhaust section;
22. a first exhaust section;
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 and 2, the present embodiment provides an exhaust device of an extended range cold chain logistics vehicle. The range-extended cold-chain logistics vehicle comprises a driving battery, a driving motor and a range-extended power generation device, wherein the range-extended power generation device comprises a power generator and an internal combustion engine, the internal combustion engine drives the power generator to generate power, and the power generator charges the driving battery. The driving battery is in transmission connection with the wheels so as to drive the wheels to run.
The extended-range cold-chain logistics vehicle comprises a vehicle chassis and a compartment arranged on the vehicle chassis, wherein the compartment comprises a low-temperature compartment and a cab arranged at the front end of the low-temperature compartment. In order to prevent cold air in the low-temperature compartment from diffusing outwards, the inner wall of the low-temperature compartment is provided with a heat insulation layer. A refrigerating unit is arranged at the top of the low-temperature compartment and is used for refrigerating the inner space of the low-temperature compartment, so that the low-temperature compartment can keep the transported goods in a set low-temperature range (for example, -20 to 5 degrees). The refrigerating unit can be a heat pump refrigerating unit and structurally adopts an integrated structure, the top of the refrigerating unit exchanges heat with outside air, and the bottom of the refrigerating unit cools air in a low-temperature compartment.
In some embodiments, the drive battery has a capacity of 20 kilowatt-hours to 51 kilowatt-hours. In some embodiments, the body length (i.e., the distance from the front bumper to the rear bumper) of the extended range cold chain logistics vehicle is from 4.5 meters to 5.99 meters. The cold-chain logistics vehicle can be formed by reforming a light passenger bus or a micro bus, wherein the range-extending power generation device is arranged in a front cabin (namely a front engine cabin) of the vehicle, the driving battery is arranged in the middle of a vehicle chassis (namely between a front axle and a rear axle), and the driving battery is positioned between two longitudinal beams which are arranged in parallel (namely positioned on a central axis of the vehicle chassis). The drive battery accessible suspension installation's mode fixed mounting is on vehicle chassis, and wherein, drive battery can set up a plurality of hangers respectively all around, and the top of hanger passes through bolt and vehicle chassis fixed connection to with drive battery suspension on vehicle chassis.
The internal combustion engine of the range-extended power generation device may be a gasoline internal combustion engine. As shown in fig. 1, the exhaust device is provided at an exhaust port of the internal combustion engine; the exhaust device includes a primary three-way catalyst 1, a secondary three-way catalyst 2, and a muffler 3. Wherein the primary three-way catalyst 1, the secondary three-way catalyst 2 and the muffler 3 are connected in series sequentially through an exhaust pipe 4. The tail gas generated by the operation of the internal combustion engine is discharged from an exhaust port and sequentially passes through the primary three-way catalyst 1, the secondary three-way catalyst 2 and the silencer 3. Through the treatment of the first-stage three-way catalyst 1 and the second-stage three-way catalyst, harmful substances in the tail gas can be greatly reduced, the quality of the tail gas is improved, and the emission of the tail gas reaches the national six standards. And this scheme adopts two-stage three way catalyst converter, therefore the single volume of one-level three way catalyst converter 1 and second grade three way catalyst converter 2 is all less, consequently is convenient for one-level three way catalyst converter 1 and second grade three way catalyst converter to lay, especially the small-size cold chain logistics car of chassis space narrow and small.
In some embodiments, since the cold-chain logistics vehicle has a small length and the space of the vehicle chassis is limited in the length direction, in order to facilitate the arrangement of the primary three-way catalyst 1 and the secondary three-way catalyst 2, as shown in fig. 1, the exhaust pipe includes a first exhaust section 22 extending in the vertical direction and a second exhaust section 21 extending in the horizontal direction. Wherein, the first exhaust section 22 is located at the front section of the exhaust device, the second exhaust section 21 is located at the rear section of the exhaust device, the first-stage three-way catalyst is located at the first exhaust section 22, and the second-stage three-way catalyst and the muffler are located at the second exhaust section. The height of the exhaust port of the internal combustion engine of the range-extended power generation device is high, one end of the first exhaust section 22 is connected with the exhaust port of the internal combustion engine, the first exhaust section 22 extends downwards to the lower part of the chassis, and the second exhaust section 21 is arranged behind the first exhaust section 22 along the horizontal direction of the chassis. Therefore, the first-stage three-way catalyst 1 is arranged at the first exhaust section 22 in the vertical direction, and the space of the vehicle chassis in the vertical direction can be fully utilized, so that the first-stage three-way catalyst 1 and the second-stage three-way catalyst 2 are arranged more compactly and reasonably in space.
As shown in fig. 1 and 2, in some embodiments, the exhaust pipe 4 is provided with elbows at the front end and the rear end of the primary three-way catalyst 1, respectively. In other embodiments, in addition to the elbows provided at the front end and the rear end of the primary three-way catalyst 1, respectively, the elbows are provided at the front end and the rear end of the secondary three-way catalyst 2, respectively. The elbow is a curved exhaust pipe, and the elbow can change the flow direction and the flow speed of tail gas in the exhaust pipe. In the embodiments, the end and the rear end of the first-stage three-way catalyst 1 and/or the second-stage three-way catalyst 2 are respectively provided with the elbow, so that the tail gas can be more uniformly and fully contacted with the three-way catalyst, and the catalytic reaction effect of the tail gas can be improved.
As shown in fig. 1 and 2, in some embodiments, the exhaust pipe is provided with a first connecting flange, through which the exhaust pipe is connected with the muffler 3. The exhaust pipe includes two or more pipes, and the two or more pipes are connected by a connection flange 6.
As shown in fig. 1, in one embodiment, the exhaust apparatus further includes a damper 8, and the damper 8 is connected in series between the primary three-way catalyst 1 and the secondary three-way catalyst 2. The bumper shock absorber 8 can be made by stainless steel corrugated metal hose, and the effect of bumper shock absorber 8 is in letting the output that one-level three way catalyst converter 1 unfiltered harmful gas can be steady 2 of second grade three way catalyst converter, avoids not up to standard because of the exhaust quality that the tail gas body strikes and leads to filters the discharge that leads to inadequately.
The exhaust device further comprises a plurality of connecting pieces 7, the connecting pieces 7 can be made of steel, iron and other metal bar materials, one end of each connecting piece 7 can be fixedly connected with the silencer 3 and the exhaust pipe 4 in a bolt connection mode or a welding mode, and the other end of each connecting piece 7 is connected with a lifting lug welded on the vehicle body through a damping pad. Wherein, the shock pad can be made of flexible elastic materials such as rubber, silica gel and the like. And the connecting member 7 may be provided at both the front and rear ends of the muffler 3 and a plurality of connecting members 7 may be provided at different positions of the exhaust pipe 4 according to installation needs.
In order to provide the fuel power device with the required fuel, the range-extended power generation device is also provided with a fuel tank which is connected with the fuel power device through a pipeline and used for providing the fuel for the fuel power device. The fuel tank is mounted to the rear of the vehicle chassis, i.e., the fuel tank is located behind the rear axle and in front of the rear bumper. And the air outlet of the air exhausting device is positioned in front of the rear axle of the extended range cold chain logistics vehicle, and because the air exhausting device does not extend to the tail part of the vehicle chassis in the embodiment, enough space is reserved for installing the fuel tank.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (10)
1. An exhaust device of an extended range cold chain logistics vehicle comprises an extended range power generation device, wherein the extended range power generation device comprises a power generator and an internal combustion engine, and the internal combustion engine drives the power generator to generate power; characterized in that the exhaust device is provided at an exhaust port of the internal combustion engine; the exhaust device comprises a primary three-way catalyst, a secondary three-way catalyst and a silencer;
the first-stage three-way catalyst, the second-stage three-way catalyst and the silencer are sequentially connected in series through an exhaust pipe.
2. The exhaust apparatus of the extended range cold chain logistics vehicle of claim 1, wherein the exhaust duct comprises a first exhaust section extending in a vertical direction and a second exhaust section extending in a horizontal direction; the first-stage three-way catalyst is located in the first exhaust section, and the second-stage three-way catalyst and the muffler are located in the second exhaust section.
3. The exhaust device of the extended range cold chain logistics vehicle of claim 1, wherein the exhaust pipe is provided with an elbow at a front end and a rear end of the primary three-way catalyst respectively.
4. The exhaust device of the extended range cold chain logistics vehicle of claim 3, wherein the exhaust pipe is provided with an elbow at the front end and the rear end of the secondary three-way catalyst respectively.
5. The exhaust device of the extended range cold chain logistics vehicle of claim 1, wherein a shock absorber is connected in series between the primary three-way catalyst and the secondary three-way catalyst.
6. The exhaust apparatus of the extended range cold chain logistics vehicle of claim 1, wherein the exhaust pipe comprises more than two pipes, and the more than two pipes are connected by a connecting flange.
7. The exhaust device of the extended range cold chain logistics vehicle of claim 1, wherein the extended range cold chain logistics vehicle comprises a drive battery, the drive battery is arranged on a central axis of a chassis of the extended range cold chain logistics vehicle, and the exhaust pipe extends from a front portion of the drive battery to a side face of the drive battery.
8. The exhaust device of the extended range cold chain logistics vehicle of claim 7, wherein an air outlet of the exhaust device is located in front of a rear axle of the extended range cold chain logistics vehicle.
9. The exhaust apparatus of the extended range cold chain logistics vehicle of claim 1, wherein the vehicle length of the extended range cold chain logistics vehicle is 4.5 meters to 5.99 meters.
10. The exhaust device of the extended range cold chain logistics vehicle of claim 1, further comprising a plurality of connecting pieces, wherein one end of each connecting piece is fixedly connected with the muffler and the exhaust pipe, and the other end of each connecting piece is connected with a lug welded on a vehicle body through a shock pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121446512.2U CN214775365U (en) | 2021-06-28 | 2021-06-28 | Exhaust device of extended-range cold-chain logistics vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121446512.2U CN214775365U (en) | 2021-06-28 | 2021-06-28 | Exhaust device of extended-range cold-chain logistics vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214775365U true CN214775365U (en) | 2021-11-19 |
Family
ID=78714819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121446512.2U Expired - Fee Related CN214775365U (en) | 2021-06-28 | 2021-06-28 | Exhaust device of extended-range cold-chain logistics vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214775365U (en) |
-
2021
- 2021-06-28 CN CN202121446512.2U patent/CN214775365U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |