CN102022162A - Urea system with urea pump inside and filter outside urea box - Google Patents
Urea system with urea pump inside and filter outside urea box Download PDFInfo
- Publication number
- CN102022162A CN102022162A CN2010105896455A CN201010589645A CN102022162A CN 102022162 A CN102022162 A CN 102022162A CN 2010105896455 A CN2010105896455 A CN 2010105896455A CN 201010589645 A CN201010589645 A CN 201010589645A CN 102022162 A CN102022162 A CN 102022162A
- Authority
- CN
- China
- Prior art keywords
- urea
- box
- signal
- control signal
- ecu control
- 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.)
- Pending
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 158
- 239000004202 carbamide Substances 0.000 title claims abstract description 158
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000007921 spray Substances 0.000 claims description 20
- 239000000945 filler Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 206010030302 Oliguria Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000011224 negative regulation of urine volume Effects 0.000 description 1
Images
Classifications
-
- 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
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention relates to a urea system with a urea pump inside and a filter outside a urea box, which is characterized in that: the urea filter is arranged in a urea pipeline between the urea box and a urea jet, the urea box is internally provided with the urea pump, an ECU control signal A controls an electromagnetic valve, an ECU control signal B controls the urea pump, and an ECU control signal C controls a urea liquid jet. The system can lower the cost, change the situation that internally suppliers monopolize the market in this field and bring the advantages of independent development into full play.
Description
Technical field
The present invention relates to the built-in urea pump of a kind of urea box-external filter cleaner formula urea system, the external urea filter cleaner of the built-in urea pump of particularly a kind of urea box formula SCR urea-spray system.
Background technique
Ripe at present urea liquid is supplied with and ejecting system all is that offshore company produces, the employing diaphragm pump structure that has, the employing gear pump structure that has, urea pump and urea filter cleaner are positioned over outside the urea box, adopt electric heating during low temperature, prevent the urea liquid sharp freezing, system complex, the electric energy of battery consumption.System complex, price are very high, all are system supplys, disagree with that breaking system is the components supplying merchant.
Summary of the invention
The object of the present invention is to provide the built-in urea pump of a kind of urea box-external filter cleaner formula urea system, the built-in urea pump of urea box is in the urea liquid, external urea filter cleaner, cancelled the electric heating of traditional SCR urea-spray system urea pump, saved electric energy, simplified system architecture, since the urea filter cleaner is external be convenient to maintenance simultaneously integrated pressure transducer, reduced cost, break the situation that international suppliers monopolizes this field, give full play to the advantage of independent development, be convenient to the layout of car load.The domestic present genus blank of this system, traditional urea pump and urea filter cleaner are positioned over outside the urea box, adopt electric heating during low temperature, prevent the urea liquid sharp freezing, system complex.
Technological scheme of the present invention is achieved in that the built-in urea pump of urea box-external filter cleaner formula urea system, is made up of urea liquid filler, urea box, water heating pipe line, urea liquid temp and liquid level signal, atmospheric temperature signal, SCR inlet temperature signal, NOx signal, urea nozzle pressure signal, ECU control signal A, ECU control signal B, ECU control signal C, urea-spray device, urea-spray device cooling line, urea box heat control valve, urea filter cleaner, urea pump, atmospheric pipe, urea indusion tube; Arrange urea liquid filler above the urea box, temperature and liquid level sensor, heating pipe line, it is characterized in that: the urea filter cleaner is arranged in the urea pipe between urea box and the urea-spray device, be provided with urea pump in the urea box, ECU control signal A control electromagnetic valve, ECU control signal B control urea pump, ECU control signal C control urea fluid injector.
Whether described ECU control signal A controls the urea box heat control valve according to the information of the atmospheric temperature signal of importing and urea liquid temp and liquid level signal and heats.
Described ECU control signal B judges whether needs filling urea liquid of urea box according to the urea liquid temp of input and liquid level signal.Described ECU control signal C controls the working state of urea-spray device according to the urea nozzle pressure signal on the SCR inlet temperature signal of importing, urea the temperature inside the box, ambient temperature, urea box liquid level, the urea filter cleaner.
Urea liquid at first arrived urea nozzle through the urea filter cleaner then through entering urea pipe behind the urea pump when good effect of the present invention was system works, the urea pump back pressure is little like this, provide system a pressure stable, improved the durability of urea pump, external urea filter cleaner is convenient to maintenance simultaneously; Reduce system cost, break the situation that international suppliers monopolizes this field, give full play to the advantage of independent development.
Description of drawings
Fig. 1 is the system schematic of invention.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing: the external urea filter cleaner of the built-in urea pump of a kind of urea box formula SCR urea-spray system shown in Fig. 1, by urea liquid filler 1, urea box 2, water heating pipe line 3, urea liquid temp and liquid level signal 4, atmospheric temperature signal 5, SCR inlet temperature signal 6, NOx signal 7, urea nozzle pressure signal 10, ECU control signal A8, ECU control signal B9, ECU control signal C11, urea-spray device 12, urea-spray device cooling line 13, urea box heat control valve 14, urea filter cleaner 18, urea pump 16, atmospheric pipe 15, urea indusion tube 17 is formed; Arrange urea liquid filler 1 above the urea box, temperature and liquid level sensor 4, heating pipe line 3, it is characterized in that: urea filter cleaner 18 is arranged in the urea pipe 17 between urea box 2 and the urea-spray device 12, be provided with urea pump 16 in the urea box 2, ECU control signal A8 control electromagnetic valve 14, ECU control signal B9 control urea pump 16, ECU control signal C11 control urea fluid injector 12.Urea liquid at first arrives urea-spray device mouth 12 through urea filter cleaner 18 then through entering urea pipe 17 behind the urea pump 16 during system works, urea pump 16 back pressures are little like this, provide system a pressure stable, improved the durability of urea pump, external urea filter cleaner is convenient to maintenance simultaneously.
Whether described ECU control signal A8 controls urea box heat control valve 14 according to the information of the atmospheric temperature signal of importing 5 and urea liquid temp and liquid level signal 4 and heats.
Described ECU control signal B9 judges whether needs filling urea liquid of urea box 2 according to the urea liquid temp of input and liquid level signal 4.
Described ECU control signal C11 controls the working state of urea-spray device 12 according to the urea nozzle pressure signal 10 on temperature, ambient temperature, urea box liquid level, the urea filter cleaner 18 in the SCR inlet temperature signal of importing 6, the urea box 2.
Described ECU judges according to the information input of NOx signal 7 whether vehicle satisfies the requirement of OBD, judges whether system works is normal, and carries out work according to the requirement of matching and calibration.
Urea liquid in the urea box 2 is to control urea pump 16 by ECU according to the urea nozzle pressure signal 10 of input to carry out work and open urea-spray device 12 simultaneously, urea liquid arrives urea-spray device 12 places by urea liquid pipeline 17 under the effect of urea pump 16 like this, and the requirement of demarcating according to engine emission sprays in the outlet pipe effect of realization reduction NOx by urea fluid injector 12.
When the environment minimum temperature is lower than-11 ° of C car load powered-downs, the back ECU control signal B9 that stops controls urea pump 16, ECU control signal C11 according to demarcating the plain fluid injector 12 of numerical control antidiuresis according to nominal data, inhale urea liquid in empty urea pipe 17 systems by urea pump 16 counter-rotating, empty and finish.
Claims (4)
1. the built-in urea pump of urea box-external filter cleaner formula urea system is made up of urea liquid filler, urea box, water heating pipe line, urea liquid temp and liquid level signal, atmospheric temperature signal, SCR inlet temperature signal, NOx signal, urea nozzle pressure signal, ECU control signal A, ECU control signal B, ECU control signal C, urea-spray device, urea-spray device cooling line, urea box heat control valve, urea filter cleaner, urea pump, atmospheric pipe, urea indusion tube; Arrange urea liquid filler above the urea box, temperature and liquid level sensor, heating pipe line, it is characterized in that: the urea filter cleaner is arranged in the urea pipe between urea box and the urea-spray device, be provided with urea pump in the urea box, ECU control signal A control electromagnetic valve, ECU control signal B control urea pump, ECU control signal C control urea fluid injector.
2. whether control the urea box heat control valve according to the described a kind of described ECU control signal A of claim 1 according to the information of the atmospheric temperature signal of importing and urea liquid temp and liquid level signal heats.
3. judge whether needs filling urea liquid of urea box according to the described a kind of described ECU control signal B of claim 1 according to the urea liquid temp of input and liquid level signal.
4. according to the external urea filter cleaner of the claim 1 built-in urea pump of described a kind of urea box formula SCR urea-spray system, it is characterized in that described ECU control signal C controls the working state of urea-spray device according to the urea nozzle pressure signal on the SCR inlet temperature signal of importing, urea the temperature inside the box, ambient temperature, urea box liquid level, the urea filter cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105896455A CN102022162A (en) | 2010-12-15 | 2010-12-15 | Urea system with urea pump inside and filter outside urea box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105896455A CN102022162A (en) | 2010-12-15 | 2010-12-15 | Urea system with urea pump inside and filter outside urea box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102022162A true CN102022162A (en) | 2011-04-20 |
Family
ID=43863885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105896455A Pending CN102022162A (en) | 2010-12-15 | 2010-12-15 | Urea system with urea pump inside and filter outside urea box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102022162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032135A (en) * | 2011-10-02 | 2013-04-10 | 苏州派格丽减排系统有限公司 | Urea pump internally arranged type selective catalytic reduction (SCR) reducing agent storage and jetting system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07279650A (en) * | 1994-04-05 | 1995-10-27 | Niigata Eng Co Ltd | Reducing agent spray device of exhaust gas denitrizer |
| CN101725392A (en) * | 2008-10-15 | 2010-06-09 | 株式会社电装 | Urea water injection amount controller and urea water injection control system |
| CN201650418U (en) * | 2009-09-30 | 2010-11-24 | 中国第一汽车集团公司 | Urea solution supply and injection system |
| CN202001086U (en) * | 2010-12-15 | 2011-10-05 | 中国第一汽车集团公司 | Urea system with urea case internally provided with urea pump and externally provided with filter |
-
2010
- 2010-12-15 CN CN2010105896455A patent/CN102022162A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07279650A (en) * | 1994-04-05 | 1995-10-27 | Niigata Eng Co Ltd | Reducing agent spray device of exhaust gas denitrizer |
| CN101725392A (en) * | 2008-10-15 | 2010-06-09 | 株式会社电装 | Urea water injection amount controller and urea water injection control system |
| CN201650418U (en) * | 2009-09-30 | 2010-11-24 | 中国第一汽车集团公司 | Urea solution supply and injection system |
| CN202001086U (en) * | 2010-12-15 | 2011-10-05 | 中国第一汽车集团公司 | Urea system with urea case internally provided with urea pump and externally provided with filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032135A (en) * | 2011-10-02 | 2013-04-10 | 苏州派格丽减排系统有限公司 | Urea pump internally arranged type selective catalytic reduction (SCR) reducing agent storage and jetting system |
| CN103032135B (en) * | 2011-10-02 | 2015-11-18 | 苏州派格丽减排系统有限公司 | The built-in SCR reducing agent of urea pump stores and ejecting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101975101A (en) | SCR urea system for non-deflation emptying pipeline of pneumatic single-urea box | |
| CN101975103A (en) | Electronic-control urea pump water heating SCR urea system of pneumatic double urea box | |
| CN202001086U (en) | Urea system with urea case internally provided with urea pump and externally provided with filter | |
| CN112283575B (en) | A pipeline system for a vehicle-mounted hydrogen supply system | |
| CN201902253U (en) | Selective catalytic reduction (SCR) urea tank for diesel engine exhaust post-treatment | |
| CN101975102B (en) | Pneumatic single-urea box full-deflating emptying pipeline SCR urea system | |
| CN104884753A (en) | Urea water consumption diagnostic device for urea SCR | |
| CN101058400B (en) | Liquefied natural gas filling machine and gas filling method | |
| CA3051988C (en) | Mobile distribution station having auxiliary delivery system | |
| CN201858014U (en) | Selective catalytic reduction (SCR) urea liquid supplying and spraying system of non-deflation emptying pipeline of single urea box | |
| CN102080588A (en) | Urea filter-urea pump built-in urea system | |
| CN101979131A (en) | Pneumatic dual-urea tank urea one-way valve control water heating silicon controlled rectifier (SCR) urea system | |
| CN201902252U (en) | Built-in type urea system for urea pump-urea filter | |
| CN102022162A (en) | Urea system with urea pump inside and filter outside urea box | |
| CN201953451U (en) | Urea filter-urea pump built-in type urea system | |
| KR102202003B1 (en) | Fuel supply system for internal combustion engines | |
| CN102022163A (en) | Urea pump-urea filter built-in urea system | |
| CN102022161A (en) | Deflation emptying type urea system for throttle hole of pneumatic single urea box | |
| US9038678B2 (en) | Reductant fill system | |
| CN203257519U (en) | Gas-assisted urea injection system adopting heating method by mixing tube | |
| CN103266938A (en) | Gas-assisted urea injection system with mixing tube heating method adopted | |
| CN201953450U (en) | Venting and emptying type urea system for cutoff hole of pneumatic-type single urea box | |
| CN203257520U (en) | Gas-assisted urea injection system adopting gravity metering method | |
| CN203257521U (en) | Injection system for directly injecting urea by pump nozzle | |
| CN101984227A (en) | Pneumatic single-urea box full-air release clearing pipeline silicon controlled rectifier (SCR) urea system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110420 |