CN210195849U - DPF electric heating active regeneration device for tractor - Google Patents
DPF electric heating active regeneration device for tractor Download PDFInfo
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- CN210195849U CN210195849U CN201920837333.8U CN201920837333U CN210195849U CN 210195849 U CN210195849 U CN 210195849U CN 201920837333 U CN201920837333 U CN 201920837333U CN 210195849 U CN210195849 U CN 210195849U
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- dpf
- controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
An electrically heated active regeneration device for a DPF of a tractor, comprising: the system comprises a measurement and control system, an air supply system and an air heating system; the measurement and control system comprises: a power cord, a regeneration controller, and a wiring harness; the measurement and control system is connected with the air supply system and the air heating system through a power line and a wire harness; the air supply system is connected with the air heating system through a fan connecting pipe. The device rationally utilizes tractor non-operating time to carry out aftertreatment DPF device initiative regeneration process, can enough effectively clear away the inside soot granule of DPF, can clear away the sulphate that catalytic oxidation ware surface formed again, has reduced catalytic oxidation ware because of the poisoning's of sulphide in the exhaust degree. Meanwhile, the active regeneration is carried out without adopting a mode of far after injection or tail pipe HC injection, so that the development difficulty of an engine control system is reduced, the calibration workload in the regeneration process is reduced, the development period is shortened, and the problem of engine oil dilution risk caused by using the far after injection is solved.
Description
The technical field is as follows:
the utility model belongs to the technical field of internal-combustion engine exhaust emission aftertreatment, a particulate filter (DPF) electrical heating initiative regenerating unit for tractor is related to.
Background art:
a particle trap (DPF) is used for trapping particles in engine exhaust in a Filter structure through a Filter material, and is one of the most effective means for solving the problem of Diesel engine particle emission.
However, during the use of the after-treatment DPF, the amount of particulate matter trapped in the DPF carrier increases, and the engine exhaust back pressure increases continuously, reducing the dynamic performance and increasing the fuel consumption. Therefore, the accumulated soot particles inside the DPF must be cleaned off in time by a regeneration technique to restore the dynamic and economical efficiency of the diesel engine. The mainstream tractor DPF regeneration method at present is parking regeneration, but the whole regeneration process needs the tractor to stop working process for active regeneration. Therefore, how to reasonably utilize the non-working time of the tractor to carry out active regeneration is of great importance to reducing the development difficulty of an engine control system and improving the working efficiency of the tractor.
The utility model has the following contents:
the utility model aims at overcoming the background art not enough, provide a DPF electrical heating initiative regenerating unit for tractor.
In order to realize the purpose, the utility model adopts the following technical proposal that the DPF electric heating active regeneration device for the tractor comprises: the system comprises a measurement and control system, an air supply system and an air heating system; the measurement and control system comprises: a power cord, a regeneration controller, and a wiring harness; the measurement and control system is connected with the air supply system and the air heating system through a power line and a wire harness; the air supply system is connected with the air heating system through a fan connecting pipe.
One end of a power line in the measurement and control system is connected with a 220V alternating-current power supply, and the other end of the power line is respectively connected with a regeneration controller, a fan controller in the air supply system and a temperature controller in the air heating system; the regeneration controller is sequentially connected with a fan controller, an air flow sensor and a temperature controller in an air heating system in an air supply system through a wiring harness, and a catalytic oxidation device inlet temperature sensor plug-in unit, a DPF outlet temperature sensor plug-in unit and a DPF differential pressure sensor plug-in unit are arranged on the wiring harness.
The air supply system includes: the system comprises a fan controller, a fan control line, a high-pressure fan, an air flow sensor and a fan connecting pipe; one end of the fan controller is connected with a regeneration controller in the measurement and control system through a wire harness, and the other end of the fan controller is connected with the high-pressure fan through a fan control line; the high pressure fan is connected with a heating device in the air heating system through a fan connecting pipe.
The air heating system includes: control lines of the heating device, the temperature controller and the electric heating device; one end of the temperature controller is connected with a regeneration controller in the measurement and control system through a wire harness, and the other end of the temperature controller is connected with the heating device through an electric heating device control line.
The utility model adopts the above technical scheme can reach following beneficial effect afterwards: DPF electrical heating regenerating unit reasonable in design, compact structure, easy dismounting. The device rationally utilizes tractor non-operating time to carry out aftertreatment DPF device initiative regeneration process, can enough effectively clear away the inside soot granule of DPF, can clear away the sulphate that catalytic oxidation ware surface formed again, has reduced catalytic oxidation ware because of the poisoning's of sulphide in the exhaust degree. Meanwhile, the active regeneration is carried out without adopting a mode of far after injection or tail pipe HC injection, so that the development difficulty of an engine control system is reduced, the calibration workload in the regeneration process is reduced, the development period is shortened, and the problem of engine oil dilution risk caused by using the far after injection is solved.
Description of the drawings:
FIG. 1 is a schematic diagram of a main system structure of a DPF electric heating active regeneration device for a tractor according to the present invention;
fig. 2 is a schematic structural diagram of a specific system of the DPF electric heating active regeneration device for a tractor according to the present invention;
FIG. 3 is a schematic view of an exhaust system before installation of the DPF electric heating active regeneration device for a tractor according to the present invention;
FIG. 4 is a schematic view of an exhaust system after the DPF electric heating active regeneration device for a tractor is installed;
FIG. 5 is a schematic structural diagram of a concrete system of the DPF electric heating active regeneration device for a tractor after being connected;
the specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples. As shown in FIGS. 1-5, the utility model provides a DPF electrical heating initiative regenerating unit for tractor, include: a measurement and control system S10, an air supply system S20, and an air heating system S30. The measurement and control system S10 includes: a power supply line 1, a regeneration controller 2, and a wire harness 3; the air supply system S20 includes: the air blower control system comprises a blower controller 4, a blower control line 5, a high-pressure blower 6, an air flow sensor 7 and a blower connecting pipe 8; the air heating system S30 includes a heating device 9, a temperature controller 10, an electric heating device control line 11. The measurement and control system S10 is connected with an air supply system S20 and an air heating system S30 through a power cord 1 and a wiring harness 3; the air supply system S20 is connected to the air heating system S30 through a fan connection pipe 8.
One end of a power line 1 in the measurement and control system S10 is connected with a 220V alternating current power supply, and the other end of the power line 1 is respectively connected with a regeneration controller 2, a fan controller 4 and a temperature controller 10. The regeneration controller 2 is sequentially connected with a fan controller 4, an air flow sensor 7 and a temperature controller 10 through a wiring harness 3, and a catalytic oxidation device inlet temperature sensor plug-in unit 3.1, a DPF inlet temperature sensor plug-in unit 3.2, a DPF outlet temperature sensor plug-in unit 3.3 and a DPF differential pressure sensor plug-in unit 3.4 are arranged on the wiring harness 3.
One end of a fan controller 4 in the air supply system S20 is connected with the regeneration controller 2 in the measurement and control system S10 through a wire harness 3, and the other end of the fan controller 4 is connected with a high-pressure fan 6 through a fan control line 5. The high pressure fan 6 is connected with the heating device 9 in the air heating system S30 through a fan connecting pipe 8.
One end of a temperature controller 10 in the air heating system S30 is connected with the regeneration controller 2 in the measurement and control system S10 through a wire harness 3, and the other end of the temperature controller 10 is connected with a heating device 9 through an electric heating device control line 11.
As shown in fig. 3, normally, an adder connection pipe 12 and an aftertreatment connection pipe 13 are connected in sequence between an exhaust gas outlet of a turbocharger 15 on an engine and an aftertreatment DPF system 17, and an engine ECU14 is connected to a catalytic oxidizer inlet temperature sensor 16, a DPF inlet temperature sensor 18, a DPF outlet temperature sensor 19, and a DPF differential pressure sensor 20 through an ECU harness.
As shown in fig. 4, the electric heater 9 in the air heating system S30 has the same connection form and size as the post-treatment connecting pipe 13 at both ends, and can directly replace the post-treatment connecting pipe 13. A ceramic insulation binding post is reserved on the electric heating device 9 and is connected with a control line 11 of the electric heating device in the regeneration process.
As shown in fig. 5, before the regeneration is started, the catalytic oxidizer inlet temperature sensor 16, the DPF inlet temperature sensor 18, the DPF outlet temperature sensor 19, and the DPF differential pressure sensor 20 are disconnected from the ECU harness, the catalytic oxidizer inlet temperature sensor pair insert 3.1 on the harness 3 is connected to the catalytic oxidizer inlet temperature sensor 16, the DPF inlet temperature sensor pair insert 3.2 on the harness 3 is connected to the DPF inlet temperature sensor 18, the DPF outlet temperature sensor pair insert 3.3 on the harness 3 is connected to the DPF outlet temperature sensor 19, and the DPF differential pressure sensor pair insert 3.4 on the harness 3 is connected to the DPF differential pressure sensor 20.
In the regeneration process, one end of a power line 1 is connected with a 220V alternating current power supply, and the other end of the power line 1 is respectively connected with a regeneration controller 2, a fan controller 4 and a temperature controller 10. Since the tractor is parked on a farm or at the farmer's home during non-operation time, the regeneration controller 2, the fan controller 4 and the temperature controller 10 are powered by 220V ac power.
In the regeneration process, the regeneration controller 2 is sequentially connected with a fan controller 4, an air flow sensor 7 and a temperature controller 10 through a wire harness 3, the high-pressure fan 6 is connected with an electric heating device 9 through a fan connecting pipe 8, and the air flow sensor 7 is installed on the fan connecting pipe 8. The fan controller 4 is connected with the high pressure fan 6 through a fan control line 5, and the temperature controller 3 is connected with the electric heating device 9 through an electric heating device control line 11.
In the working process of the DPF electric heating active regeneration device, the regeneration controller 2 controls the working process of the fan controller 4 by adopting a closed-loop control method according to the air output of the high-pressure fan 6 fed back by the air flow sensor 7, and the fan controller 4 finally controls the working process of the high-pressure fan 6; the regeneration controller 2 controls the working process of the temperature controller 10 by adopting a closed-loop control method according to the catalytic oxidizer inlet temperature fed back by the catalytic oxidizer inlet temperature sensor 16, and the temperature controller 10 finally controls the working process of the electric heating device 9. The regeneration controller 2 judges the process of the DPF electric heating active regeneration according to the numerical values fed back by the DPF inlet temperature sensor 18, the DPF outlet temperature sensor 19 and the DPF pressure difference sensor 20, and then controls the working process of the fan controller 4 and the temperature controller 10.
To sum up, the utility model discloses DPF electrical heating regenerating unit reasonable in design, compact structure, easy dismounting. The device rationally utilizes tractor non-operating time to carry out aftertreatment DPF device initiative regeneration process, can enough effectively clear away the inside soot granule of DPF, can clear away the sulphate that catalytic oxidation ware surface formed again, has reduced catalytic oxidation ware because of the poisoning's of sulphide in the exhaust degree. Meanwhile, the active regeneration is carried out without adopting a mode of far after injection or tail pipe HC injection, so that the development difficulty of an engine control system is reduced, the calibration workload in the regeneration process is reduced, the development period is shortened, and the problem of engine oil dilution risk caused by using the far after injection is solved.
Claims (4)
1. An electrically heated active regeneration device for a DPF of a tractor, comprising: a measurement and control system (S10), an air supply system (S20) and an air heating system (S30); the measurement and control system (S10) includes: a power line (1), a regeneration controller (2) and a wiring harness (3); the method is characterized in that: the measurement and control system (S10) is connected with the air supply system (S20) and the air heating system (S30) through a power line (1) and a wire harness (3); the air supply system (S20) is connected to the air heating system (S30) through the fan connection pipe (8).
2. The electrically heated active regeneration device of a DPF for a tractor according to claim 1, characterized in that: one end of a power line (1) in the measurement and control system (S10) is connected with a 220V alternating current power supply, and the other end of the power line (1) is respectively connected with a regeneration controller (2), a fan controller (4) in an air supply system (S20) and a temperature controller (10) in an air heating system (S30); the regeneration controller (2) is sequentially connected with a fan controller (4), an air flow sensor (7) and a temperature controller (10) in an air heating system (S30) in an air supply system (S20) through a wire harness (3), and a catalytic oxidation device inlet temperature sensor plug-in unit (3.1), a DPF inlet temperature sensor plug-in unit (3.2), a DPF outlet temperature sensor plug-in unit (3.3) and a DPF differential pressure sensor plug-in unit (3.4) are arranged on the wire harness (3).
3. The electrically heated active regeneration device of a DPF for a tractor according to claim 1, characterized in that: the air supply system (S20) includes: the air conditioner comprises a fan controller (4), a fan control line (5), a high-pressure fan (6), an air flow sensor (7) and a fan connecting pipe (8); one end of the fan controller (4) is connected with the regeneration controller (2) in the measurement and control system (S10) through a wire harness (3), and the other end of the fan controller (4) is connected with the high-pressure fan (6) through a fan control line (5); the high-pressure fan (6) is connected with a heating device (9) in the air heating system (S30) through a fan connecting pipe (8).
4. The electrically heated active regeneration device of a DPF for a tractor according to claim 1, characterized in that: the air heating system (S30) includes: a heating device (9), a temperature controller (10) and an electric heating device control line (11); one end of the temperature controller (10) is connected with the regeneration controller (2) in the measurement and control system (S10) through a wire harness (3), and the other end of the temperature controller (10) is connected with the heating device (9) through an electric heating device control line (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837333.8U CN210195849U (en) | 2019-06-05 | 2019-06-05 | DPF electric heating active regeneration device for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837333.8U CN210195849U (en) | 2019-06-05 | 2019-06-05 | DPF electric heating active regeneration device for tractor |
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| Publication Number | Publication Date |
|---|---|
| CN210195849U true CN210195849U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920837333.8U Expired - Fee Related CN210195849U (en) | 2019-06-05 | 2019-06-05 | DPF electric heating active regeneration device for tractor |
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| CN (1) | CN210195849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464246A (en) * | 2021-05-12 | 2021-10-01 | 联合汽车电子有限公司 | Particle catcher regeneration method, controller and regeneration system |
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2019
- 2019-06-05 CN CN201920837333.8U patent/CN210195849U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464246A (en) * | 2021-05-12 | 2021-10-01 | 联合汽车电子有限公司 | Particle catcher regeneration method, controller and regeneration system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 Termination date: 20210605 |