CN112502811A - Electrical heating type DPF differential pressure air intake pipe system - Google Patents
Electrical heating type DPF differential pressure air intake pipe system Download PDFInfo
- Publication number
- CN112502811A CN112502811A CN202011481131.8A CN202011481131A CN112502811A CN 112502811 A CN112502811 A CN 112502811A CN 202011481131 A CN202011481131 A CN 202011481131A CN 112502811 A CN112502811 A CN 112502811A
- Authority
- CN
- China
- Prior art keywords
- pressure
- low
- control unit
- pipe
- differential pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 73
- 238000000605 extraction Methods 0.000 claims description 28
- 238000005485 electric heating Methods 0.000 abstract description 5
- 102100029859 Zinc finger protein neuro-d4 Human genes 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000004913 activation Effects 0.000 description 4
- 230000009849 deactivation Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/08—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a pressure sensor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The invention discloses an electric heating DPF differential pressure air intake pipe system, which comprises: one end of the high-pressure end air taking pipe is arranged at the high-pressure air taking end of the DPF, the other end of the high-pressure end air taking pipe is arranged on the differential pressure sensor, one end of the low-pressure end air taking pipe is arranged at the low-pressure air taking end of the DPF, the other end of the low-pressure end air taking pipe is arranged on the differential pressure sensor, and the differential pressure sensor acquires differential pressure signals at two ends of the DPF through the high-pressure end air taking pipe and; the heating starting control unit is arranged on the DPF and is in data connection with the differential pressure sensor; the auxiliary connection wire is connected between the high-pressure end air taking pipe, the low-pressure end air taking pipe and the heating starting control unit; when the heating start control unit cannot receive a differential pressure signal of the differential pressure sensor, the heating start control unit is started, and the auxiliary connection wire is connected to heat the high-pressure end gas taking pipe and the low-pressure end gas taking pipe. Borrow this, after the frozen jam of pressure differential air intaking pipe, the system can carry out quick continuous heating deicing to air intaking pipe, guarantees to get air intaking pipe signal and resumes rapidly, makes aftertreatment system work normally.
Description
Technical Field
The invention relates to the field of power machinery, in particular to an electric heating type DPF differential pressure air intake pipe system.
Background
28 th 6 th month in 2018, the ministry of ecological environment issued "emission limits of pollutants for heavy-duty diesel vehicles and methods of measurement (sixth stage of china"), which was implemented on all vehicles at 7 th 1 th month in 2021; the six national standards increase the limit of Particle Number (PN), so the exhaust system of the heavy-duty diesel vehicle must be additionally provided with a wall-flow type particle filter (DPF) to supplement and accumulate the particles in the exhaust gas so as to meet the requirements of emission regulations.
The DPF (diesel particulate filter) mainly functions to collect PM (particulate matter) in exhaust gas. The particulate matter in the exhaust gas is primarily carbon from the combustion of diesel fuel. In addition, ash formed by combustion of the oil additive also adheres to the DPF.
DPFs typically employ periodic burning off of the carbon therein for regeneration purposes. The initiation of such regeneration requires deactivation by monitoring the pressure differential across the DPF. Thus a differential pressure take off is arranged across the DPF. The air intake pipe is generally a stainless steel pipe and is limited by the space of the whole vehicle, and the diameter of the stainless steel pipe is generally 6-12 mm.
The existing catalytic silencer adopts a stainless steel pipe with the diameter specification of 6-12 mm as a DPF pressure difference air intake pipe. Because of the large amount of water vapor in the exhaust gas, the water vapor can be attached to the gas taking pipe. In cold winter, along with continuous adhesion of water vapor, the differential pressure air intake pipe can be frozen and blocked, so that the air intake signal of the differential pressure sensor is interrupted, and the fault of the post-processing system is caused. The existing scheme only can detach the gas taking pipe and then physically deice the gas taking pipe after generating faults, so that time and labor are wasted, and users complain about the fact that the gas taking pipe is large.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide an electric heating type DPF pressure difference air intake pipe system which can quickly and continuously heat and melt ice for an air intake pipe after the pressure difference air intake pipe is frozen and blocked, so that the signal of the air intake pipe is quickly recovered, and a processing system can normally work.
In order to achieve the purpose, the invention provides an electric heating type DPF pressure difference air intake pipe system, which comprises a DPF, a high-pressure end air intake pipe, a low-pressure end air intake pipe, a pressure difference sensor, a heating starting control unit and an auxiliary connection wire, wherein the DPF is connected with the high-pressure end air intake pipe through the high-pressure end air intake pipe; one end of the high-pressure end air taking pipe is arranged at the high-pressure air taking end of the DPF, the other end of the high-pressure end air taking pipe is arranged on the differential pressure sensor, one end of the low-pressure end air taking pipe is arranged at the low-pressure air taking end of the DPF, the other end of the low-pressure end air taking pipe is arranged on the differential pressure sensor, and the differential pressure sensor acquires differential pressure signals at two ends of the DPF through the high-pressure end air taking pipe and; the heating starting control unit is arranged on the DPF and is in data connection with the differential pressure sensor; the auxiliary connection wire is connected between the high-pressure end air taking pipe, the low-pressure end air taking pipe and the heating starting control unit; when the heating start control unit cannot receive a differential pressure signal of the differential pressure sensor, the heating start control unit is started, and the auxiliary connection wire is connected to heat the high-pressure end gas taking pipe and the low-pressure end gas taking pipe.
In a preferred embodiment, the accessory wiring includes a high voltage terminal wiring and a low voltage terminal wiring; one end of a positive wire of the high-voltage end connecting wire is connected with a power supply positive electrode of the heating start control unit, the other end of the positive wire of the high-voltage end connecting wire is connected with a positive electrode end of the high-voltage end air taking pipe, one end of a negative wire of the high-voltage end connecting wire is connected with a power supply negative electrode of the heating start control unit, and the other end of the negative wire of the high-voltage end connecting wire; one end of the positive wire of the low-voltage end connecting wire is connected with the positive power supply of the heating starting control unit, the other end of the positive wire of the low-voltage end connecting wire is connected with the positive end of the low-voltage end air intake pipe, one end of the negative wire of the low-voltage end connecting wire is connected with the negative power supply of the heating starting control unit, and the other end of the negative wire of the low-voltage end connecting wire is connected with.
In a preferred embodiment, the heating start control unit comprises a power interface connected with a vehicle power supply.
In a preferred embodiment, the heating start control unit can adapt to a vehicle power supply suitable for 12V or 24V.
In a preferred embodiment, the time period from the activation to the deactivation of the heating activation control unit is one heating period.
In a preferred embodiment, the heating cycle can be arbitrarily adjusted within a certain range.
In a preferred embodiment, the electrically heated DPF differential pressure gas extraction pipe system further comprises temperature sensors disposed on the high-pressure side gas extraction pipe and the low-pressure side gas extraction pipe, and the temperature sensors are used for sensing and acquiring temperature data of the high-pressure side gas extraction pipe and the low-pressure side gas extraction pipe.
In a preferred embodiment, the temperature sensor is in data connection with the heating start control unit, and when the heating start control unit receives that the temperature data of the high-pressure end air intake pipe and the low-pressure end air intake pipe from the temperature sensor is lower than a set value, the heating start control unit starts and heats.
Compared with the prior art, the electric heating type DPF differential pressure air intake pipe system has the following beneficial effects: the intelligent control unit is used for rapidly heating and eliminating the fault of ice formation and blockage of the DPF gas taking pipe; the problem that a DPF gas taking pipe without a heating function in the current market is frozen in winter is solved, complaints of users are eliminated, and the market competitiveness of the whole vehicle is improved; the scheme adopts the power supply of the whole vehicle as an energy source and intelligently controls the heating switch, and has the characteristics of electric quantity saving and simple arrangement.
Drawings
FIG. 1 is a schematic diagram of a DPF differential pressure gas extraction pipe system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the control logic for a DPF pressure differential gas take off system according to one embodiment of the invention.
Description of the main reference numerals:
1-DPF, 2-high pressure end air intake pipe, 3-low pressure end air intake pipe, 4-differential pressure sensor, 5-heating start control unit and accessory wiring, 51-high pressure end wiring, 52-low pressure end wiring.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1 to 2, an electrically heated DPF differential pressure gas extraction pipe system according to a preferred embodiment of the present invention includes a DPF1, a high pressure side gas extraction pipe 2, a low pressure side gas extraction pipe 3, a differential pressure sensor 4, a heating start control unit, and an auxiliary connection 5. One end of the high-pressure end gas taking pipe 2 is arranged at a high-pressure gas taking end of the DPF1, the other end of the high-pressure end gas taking pipe is arranged on the differential pressure sensor 4, one end of the low-pressure end gas taking pipe 3 is arranged at a low-pressure gas taking end of the DPF1, the other end of the low-pressure end gas taking pipe is arranged on the differential pressure sensor 4, and the differential pressure sensor 4 obtains differential pressure signals at two ends of the DPF1 through the high-pressure end gas taking pipe 2 and the low-. The heating start control unit is disposed on DPF1 and is in data communication with differential pressure sensor 4. The auxiliary connection wires are connected between the high-pressure end gas taking pipe 2 and the low-pressure end gas taking pipe 3 and the heating starting control unit. When the heating start control unit cannot receive a differential pressure signal of the differential pressure sensor 4, the heating start control unit is started, and the auxiliary connection is connected to heat the high-pressure end gas taking pipe 2 and the low-pressure end gas taking pipe 3.
Referring to fig. 1, in some embodiments, the accessory connections include a high voltage terminal connection 51 and a low voltage terminal connection 52. One end of the positive wire of the high-voltage end connection wire 51 is connected with the positive electrode of the power supply of the heating start control unit, the other end of the positive wire is connected with the positive electrode end of the high-voltage end air intake pipe 2, one end of the negative wire of the high-voltage end connection wire 51 is connected with the negative electrode of the power supply of the heating start control unit, and the other end of the negative wire of the high-voltage end connection wire 51 is connected with the. One end of the positive wire of the low-voltage end connecting wire 52 is connected with the positive electrode of the power supply of the heating start control unit, the other end of the positive wire is connected with the positive electrode end of the low-voltage end gas taking pipe 3, one end of the negative wire of the low-voltage end connecting wire 52 is connected with the negative electrode of the power supply of the heating start control unit, and the other end of the negative wire is connected with the negative electrode end of the low-voltage end gas taking pipe.
In some embodiments, the heating start control unit includes a power interface connected to a vehicle power supply (not shown). The heating starting control unit can adapt to a 12V or 24V vehicle power supply.
In some embodiments, the time period from activation to deactivation of the heating activation control unit is one heating period. The heating period can be arbitrarily adjusted within a certain range. A heating cycle may be, for example, but not limited to, five minutes, ten minutes, and the like.
In some embodiments, the auxiliary connection wire generally adopts a single-measurement conductive feature, that is, the system current only flows inside the positive and negative electrode connecting ports of the high-voltage end gas taking tube 2 and the low-voltage end gas taking tube 3, and is insulated externally, so that the system safety is ensured.
In some embodiments, the electrically heated DPF differential pressure extraction manifold system of the present invention may be used in all systems containing a DPF1, such as, but not limited to, DOC (diesel oxidation catalyst) + DPF1 systems, DOC + DPF1+ SCR (selective catalytic reduction), etc.
In some embodiments, the electrically heated DPF differential pressure gas extraction pipe system may further include temperature sensors (not shown) disposed on the high-pressure gas extraction pipe 2 and the low-pressure gas extraction pipe 3, and the temperature sensors are configured to sense and acquire temperature data of the high-pressure gas extraction pipe 2 and the low-pressure gas extraction pipe 3. The temperature sensor is in data connection with the heating starting control unit, and when the heating starting control unit receives that the temperature data of the high-pressure end gas taking pipe 2 and the low-pressure end gas taking pipe 3 from the temperature sensor is lower than a set value, the heating starting control unit starts and heats.
Referring to FIG. 2, in some embodiments, the operation method of the electrically heated DPF differential pressure gas extraction pipe system of the present invention is as follows: when the differential pressure gas taking pipe is blocked due to low-temperature icing, the system monitors that a gas taking signal of the differential pressure sensor 4 is interrupted, the heating start control unit starts a battery heating mode, after a heating period is finished, the gas taking signal of the differential pressure sensor 4 is monitored again, when the gas taking signal of the differential pressure sensor 4 is normal, the heating start control unit stops heating, when the gas taking signal of the differential pressure sensor 4 is detected to be still interrupted, the heating start control unit restarts the heating period until the gas taking signal of the differential pressure sensor 4 is recovered to be normal, and the heating is finished. The aftertreatment system failure disappears.
In conclusion, the electrically heated DPF differential pressure gas extraction pipe system of the present invention has the following beneficial effects: the intelligent control unit is used for rapidly heating and eliminating the fault of ice formation and blockage of the DPF gas taking pipe; the problem that a DPF gas taking pipe without a heating function in the current market is frozen in winter is solved, complaints of users are eliminated, and the market competitiveness of the whole vehicle is improved; the scheme adopts the power supply of the whole vehicle as an energy source and intelligently controls the heating switch, and has the characteristics of electric quantity saving and simple arrangement.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (8)
1. An electrically heated DPF differential pressure gas extraction pipe system, comprising:
DPF；
a high-pressure end gas taking pipe and a low-pressure end gas taking pipe;
one end of the high-pressure end gas taking pipe is arranged at the high-pressure gas taking end of the DPF, the other end of the high-pressure end gas taking pipe is arranged on the differential pressure sensor, one end of the low-pressure end gas taking pipe is arranged at the low-pressure gas taking end of the DPF, the other end of the low-pressure end gas taking pipe is arranged on the differential pressure sensor, and the differential pressure sensor acquires differential pressure signals at two ends of the DPF through the high-pressure end gas taking pipe and the low-pressure end gas taking pipe;
a heating start control unit disposed on the DPF and in data connection with the differential pressure sensor; and
an auxiliary connection wire connected between the high-pressure end gas taking pipe and the low-pressure end gas taking pipe and the heating start control unit;
when the heating starting control unit cannot receive a differential pressure signal of the differential pressure sensor, the heating starting control unit is started, and the auxiliary connection is connected to heat the high-pressure end gas taking pipe and the low-pressure end gas taking pipe.
2. The electrically heated DPF differential pressure take off system of claim 1, wherein the accessory connections comprise:
one end of a positive wire of the high-voltage end connection is connected with a power supply positive electrode of the heating start control unit, the other end of the positive wire of the high-voltage end connection is connected with a positive electrode end of the high-voltage end air intake pipe, one end of a negative wire of the high-voltage end connection is connected with a power supply negative electrode of the heating start control unit, and the other end of the negative wire of the high-voltage end connection is connected with a negative electrode end of the high-voltage end air; and
the heating starting control unit comprises a low-voltage end connecting wire, one end of a positive wire of the low-voltage end connecting wire is connected with a power supply positive electrode of the heating starting control unit, the other end of the positive wire of the low-voltage end connecting wire is connected with a positive electrode end of the low-voltage end air-taking pipe, one end of a negative wire of the low-voltage end connecting wire is connected with a power supply negative electrode of the heating starting control unit, and the other end of the negative wire of the low-.
3. The electrically heated DPF differential pressure gas extraction pipe system of claim 1, wherein the heating start control unit comprises a power interface to a vehicle power supply.
4. The electrically heated DPF pressure differential gas extraction system of claim 3, wherein said heat-up start control unit is capable of accommodating a vehicle power supply of 12V or 24V.
5. The electrically heated DPF differential pressure gas take-off system of claim 1, wherein the time period from start-up to shut-down of the heating start-up control unit is one heating cycle.
6. The electrically heated DPF differential pressure take-off system of claim 5, wherein the heating cycle is arbitrarily adjustable over a range.
7. The electrically heated DPF differential pressure gas extraction pipe system of claim 1, further comprising temperature sensors disposed on the high pressure side gas extraction pipe and the low pressure side gas extraction pipe, the temperature sensors being configured to sense and acquire temperature data of the high pressure side gas extraction pipe and the low pressure side gas extraction pipe.
8. The electrically heated DPF differential pressure gas extraction pipe system according to claim 7, wherein the temperature sensor is in data connection with the heating start control unit, and the heating start control unit starts and heats when the heating start control unit receives temperature data of the high pressure side gas extraction pipe and the low pressure side gas extraction pipe from the temperature sensor that is lower than a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011481131.8A CN112502811B (en) | 2020-12-15 | 2020-12-15 | Electric heating DPF differential pressure gas taking pipe system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011481131.8A CN112502811B (en) | 2020-12-15 | 2020-12-15 | Electric heating DPF differential pressure gas taking pipe system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112502811A true CN112502811A (en) | 2021-03-16 |
| CN112502811B CN112502811B (en) | 2024-03-19 |
Family
ID=74972130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011481131.8A Active CN112502811B (en) | 2020-12-15 | 2020-12-15 | Electric heating DPF differential pressure gas taking pipe system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112502811B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818948A (en) * | 2021-09-22 | 2021-12-21 | 潍柴动力股份有限公司 | Diesel particulate filter control device and control method |
| CN114112849A (en) * | 2021-11-30 | 2022-03-01 | 潍柴动力股份有限公司 | DPF fault diagnosis method and device, vehicle and storage medium |
| CN114705350A (en) * | 2022-03-31 | 2022-07-05 | 重庆长安汽车股份有限公司 | GPF differential pressure sensor gas taking pipeline structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1561979A (en) * | 1975-09-04 | 1980-03-05 | Hawker Siddeley Dynamics Ltd | Ice-formation warning devices |
| CN209894385U (en) * | 2019-04-10 | 2020-01-03 | 上海汽车集团股份有限公司 | Movable positioning pin type differential pressure sensor with filtering and heating functions |
| CN111692022A (en) * | 2020-07-06 | 2020-09-22 | 广西玉柴机器股份有限公司 | Natural gas engine EGR flowmeter mounting seat with electric auxiliary heating |
| CN213743600U (en) * | 2020-12-15 | 2021-07-20 | 广西玉柴机器股份有限公司 | Electrical heating type DPF differential pressure air intake pipe system |
-
2020
- 2020-12-15 CN CN202011481131.8A patent/CN112502811B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1561979A (en) * | 1975-09-04 | 1980-03-05 | Hawker Siddeley Dynamics Ltd | Ice-formation warning devices |
| CN209894385U (en) * | 2019-04-10 | 2020-01-03 | 上海汽车集团股份有限公司 | Movable positioning pin type differential pressure sensor with filtering and heating functions |
| CN111692022A (en) * | 2020-07-06 | 2020-09-22 | 广西玉柴机器股份有限公司 | Natural gas engine EGR flowmeter mounting seat with electric auxiliary heating |
| CN213743600U (en) * | 2020-12-15 | 2021-07-20 | 广西玉柴机器股份有限公司 | Electrical heating type DPF differential pressure air intake pipe system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818948A (en) * | 2021-09-22 | 2021-12-21 | 潍柴动力股份有限公司 | Diesel particulate filter control device and control method |
| CN114112849A (en) * | 2021-11-30 | 2022-03-01 | 潍柴动力股份有限公司 | DPF fault diagnosis method and device, vehicle and storage medium |
| CN114705350A (en) * | 2022-03-31 | 2022-07-05 | 重庆长安汽车股份有限公司 | GPF differential pressure sensor gas taking pipeline structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112502811B (en) | 2024-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112502811A (en) | Electrical heating type DPF differential pressure air intake pipe system | |
| CN109695529B (en) | Method for heating exhaust gas aftertreatment system and hybrid vehicle | |
| US20110314796A1 (en) | Particulate matter detection sensor and control device of controlling the same | |
| WO2018194046A1 (en) | Plug-in hybrid vehicle | |
| CN105026717B (en) | The emission-control equipment of internal combustion engine | |
| US9594068B2 (en) | Abnormality detection system of engine exhaust system | |
| JP2012047722A (en) | Particulate matter detection sensor and method for determining abnormality of the sensor | |
| JP2011080439A (en) | Device for detecting abnormality of particulate filter | |
| US8978370B2 (en) | Engine off particulate filter (“PF”) regeneration using a single secondary energy storage device | |
| AU2015264906B2 (en) | Function diagnostic system for filter of internal combustion engine | |
| CN104481646A (en) | Regeneration control system and method for diesel particulate filter (DPF) diesel particle filtering system | |
| CN205618226U (en) | Metal particles trap active regeneration system | |
| CN105927326B (en) | Automatic regeneration device and regeneration method for DPF of marine diesel engine | |
| CN213743600U (en) | Electrical heating type DPF differential pressure air intake pipe system | |
| CN106555640B (en) | Pilot heating device and method of internal combustion engine tail gas purification post-treatment system | |
| CN111365099B (en) | Idling condition combustor DPF regeneration control system based on parking warm-up | |
| JP6160213B2 (en) | Hybrid engine and control method thereof | |
| CN201027560Y (en) | Diesel engine vent gas particle trapping and regenerating system | |
| JPH10259710A (en) | Device for detecting blemish and locally heating insulating medium | |
| EP3056700A1 (en) | Exhaust purification system | |
| EP3056699B1 (en) | Exhaust purification system | |
| CN103603714A (en) | System and method for diesel particulate filter (DPF) automatic regeneration control | |
| JP2011252459A (en) | Device for detection of failure in particulate filter | |
| JP6186860B2 (en) | Hybrid engine and control method thereof | |
| CN111042897A (en) | DPF regeneration system and application method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |