CN102080588A - Urea filter-urea pump built-in urea system - Google Patents
Urea filter-urea pump built-in urea system Download PDFInfo
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- CN102080588A CN102080588A CN2010105896510A CN201010589651A CN102080588A CN 102080588 A CN102080588 A CN 102080588A CN 2010105896510 A CN2010105896510 A CN 2010105896510A CN 201010589651 A CN201010589651 A CN 201010589651A CN 102080588 A CN102080588 A CN 102080588A
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- urea
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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
The invention relates to a urea filter-urea pump built-in urea system, which consists of a urea liquid injection port, a urea tank, a water heating pipeline, a urea liquid temperature and liquid level signal, an atmospheric temperature signal, a semiconductor control rectifier (SCR) inlet temperature signal, a NOx signal, a urea nozzle pressure signal, an electronic control unit (ECU) control signal A, an ECU control signal B, an ECU control signal C, a urea ejector, a urea ejector cooling pipeline, a urea tank heating control valve, a urea filter, a urea pump, an atmosphere through pipeline and a urea liquid transport pipe. The system is characterized in that: the urea liquid injection port, a temperature and liquid level sensor and the heating pipeline are arranged on the urea tank; the urea pump is arranged in the urea tank, and the urea pump is connected with the urea filter; and the ECU control signal A controls a urea tank heating electromagnetic valve, the ECU control signal B controls the urea pump, and the ECU control signal C controls the urea liquid ejector. The cost of the system can be reduced, the situation that the international provider monopolizes the field is broken, and the advantage of autonomous development is fully exerted.
Description
Technical field
The present invention relates to the built-in urea system of a kind of urea filter cleaner-urea pump, the built-in urea box SCR of particularly a kind of urea filter cleaner-urea pump 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 system of a kind of urea filter cleaner-urea pump, reduce 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 system of a kind of urea filter cleaner-urea pump, 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; It is characterized in that: arrange urea liquid filler above the urea box, temperature and liquid level sensor, heating pipe line, be provided with urea pump in the urea box, urea pump is connected with the urea filter cleaner, and ECU control signal A control urea box adds thermoelectrical magnetic valve, ECU control signal B9 control urea pump, ECU control signal C control urea fluid injector.
Whether described ECU control signal A controls the urea valve according to the atmospheric temperature signal 5 of input and urea liquid temp and liquid level signal 4 information and heats.
Described ECU control signal A judges whether needs filling urea liquid of urea box according to the urea liquid temp of input and liquid level signal 4 information.
Described ECU control signal C controls the working state of urea-spray device according to SCR inlet temperature signal, urea the temperature inside the box, ambient temperature, urea liquid temp and the liquid level signal 4 of input.
Good effect of the present invention is to reduce system cost, breaks the situation that international suppliers monopolizes this field, gives full play to the advantage of independent development.
Description of drawings
Fig. 1 is a system schematic of the present invention.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing: as shown in Figure 1, the built-in urea box SCR of a kind of urea filter cleaner-urea pump urea-spray system is 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 adds thermoelectrical magnetic valve 14, urea filter cleaner 18, urea pump 16, atmospheric pipe 15, urea indusion tube 17 is formed; It is characterized in that: arrange urea liquid filler 1 above the urea box 2, temperature and liquid level sensor 4, heating pipe line 3, be provided with urea pump 16 in the urea box 2, urea pump 16 is connected with urea filter cleaner 18, and ECU control signal A8 control urea box adds thermoelectrical magnetic valve 14, ECU control signal B9 control urea pump 16, ECU control signal C11 control urea fluid injector 12.
Whether described ECU control signal A8 controls urea valve 16 according to the atmospheric temperature signal 5 of input and urea liquid temp and liquid level signal 4 information and heats.
Described ECU control signal A8 judges whether needs filling urea liquid of urea box 2 according to the urea liquid temp of input and liquid level signal 4 information.
Described ECU control signal C11 controls the working state of urea-spray device 12 according to SCR inlet temperature signal 6, urea the temperature inside the box, ambient temperature, urea liquid temp and the liquid level signal 4 of input.
Described ECU judges according to the 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 be controlled urea pump and carry out work and open urea-spray device 12 simultaneously according to the pressure of the input breath of delivering a letter by ECU, urea liquid arrives urea-spray device 12 places by the urea liquid pipeline under the effect of urea pump like this, and the requirement of demarcating according to engine emission sprays in the outlet pipe effect of realization reduction NOx by the urea fluid injector.
When the environment minimum temperature was lower than-11 ° of C car load powered-downs, the back ECU that stops was according to nominal data control urea pump 16 and urea-spray device 12, inhaled urea liquid in the empty urea pipe system by urea pump 16 counter-rotatings, emptied to finish.ECU control signal B9 and ECU control signal C11 control the work of urea pump 16 and urea-spray device 12 according to the information of demarcation and various inputs.
Claims (4)
1. the built-in urea system of urea filter cleaner-urea pump 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; It is characterized in that: arrange urea liquid filler above the urea box, temperature and liquid level sensor, heating pipe line, be provided with urea pump in the urea box, urea pump is connected with the urea filter cleaner, and ECU control signal A control urea box adds thermoelectrical magnetic valve, ECU control signal B control urea pump, ECU control signal C control urea fluid injector.
2. according to the built-in urea system of the described a kind of urea filter cleaner-urea pump of claim 1, it is characterized in that described ECU control signal A controls the urea box heat control valve according to the atmospheric temperature signal of input and urea liquid temp and liquid level signal information and whether heats.
3. according to the built-in urea system of the described a kind of urea filter cleaner-urea pump of claim 1, it is characterized in that described ECU control signal A judges whether needs filling urea liquid of urea box according to the urea liquid temp of input and liquid level signal information.
4. according to the built-in urea system of the described a kind of urea filter cleaner-urea pump of claim 1, it is characterized in that described ECU control signal C controls the working state of urea-spray device according to SCR inlet temperature signal, urea the temperature inside the box, ambient temperature, urea liquid temp and the liquid level signal of input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105896510A CN102080588A (en) | 2010-12-15 | 2010-12-15 | Urea filter-urea pump built-in urea system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105896510A CN102080588A (en) | 2010-12-15 | 2010-12-15 | Urea filter-urea pump built-in urea system |
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| Publication Number | Publication Date |
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| CN102080588A true CN102080588A (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105896510A Pending CN102080588A (en) | 2010-12-15 | 2010-12-15 | Urea filter-urea pump built-in urea system |
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Cited By (3)
| 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 |
| WO2015067159A1 (en) * | 2013-11-08 | 2015-05-14 | 武汉洛特福动力技术有限公司 | Compressed air-driven metering device of tail gas clean-up post-treatment system of internal-combustion engine |
| CN107461243A (en) * | 2016-06-06 | 2017-12-12 | 天纳克（苏州）排放系统有限公司 | Integrating device, exhaust gas aftertreatment system and control method |
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| CN101158306A (en) * | 2006-02-10 | 2008-04-09 | 张家口百通环保科技有限公司 | Internal-combustion engines exhaust gas purifying device and working method thereof |
| US20090127265A1 (en) * | 2006-04-27 | 2009-05-21 | Volvo Lastvagnar Ab | Liquid receptacle for a vehicle |
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| CN101818675A (en) * | 2010-03-05 | 2010-09-01 | 苏州派格力减排系统有限公司 | Liquid storage tank pressurized urea solution metering injection system for diesel vehicle |
| CN101828012A (en) * | 2007-10-18 | 2010-09-08 | 罗伯特·博世有限公司 | Tank for storing a reducing agent |
| CN201953451U (en) * | 2010-12-15 | 2011-08-31 | 中国第一汽车集团公司 | Urea filter-urea pump built-in type urea system |
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2010
- 2010-12-15 CN CN2010105896510A patent/CN102080588A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101158306A (en) * | 2006-02-10 | 2008-04-09 | 张家口百通环保科技有限公司 | Internal-combustion engines exhaust gas purifying device and working method thereof |
| US20090127265A1 (en) * | 2006-04-27 | 2009-05-21 | Volvo Lastvagnar Ab | Liquid receptacle for a vehicle |
| CN101778662A (en) * | 2007-07-10 | 2010-07-14 | 因勒纪汽车系统研究公司 | Be the system of the supply liquid of vehicle and the pump/filter module of integration |
| CN101828012A (en) * | 2007-10-18 | 2010-09-08 | 罗伯特·博世有限公司 | Tank for storing a reducing agent |
| CN101818675A (en) * | 2010-03-05 | 2010-09-01 | 苏州派格力减排系统有限公司 | Liquid storage tank pressurized urea solution metering injection system for diesel vehicle |
| CN201953451U (en) * | 2010-12-15 | 2011-08-31 | 中国第一汽车集团公司 | Urea filter-urea pump built-in type urea system |
Cited By (5)
| 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 |
| WO2015067159A1 (en) * | 2013-11-08 | 2015-05-14 | 武汉洛特福动力技术有限公司 | Compressed air-driven metering device of tail gas clean-up post-treatment system of internal-combustion engine |
| CN107461243A (en) * | 2016-06-06 | 2017-12-12 | 天纳克（苏州）排放系统有限公司 | Integrating device, exhaust gas aftertreatment system and control method |
| CN107461243B (en) * | 2016-06-06 | 2023-09-15 | 天纳克（苏州）排放系统有限公司 | Integrated device, exhaust gas aftertreatment system and control method |
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Application publication date: 20110601 |