CN201858014U - Selective catalytic reduction (SCR) urea liquid supplying and spraying system of non-deflation emptying pipeline of single urea box - Google Patents
Selective catalytic reduction (SCR) urea liquid supplying and spraying system of non-deflation emptying pipeline of single urea box Download PDFInfo
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- CN201858014U CN201858014U CN2010205689906U CN201020568990U CN201858014U CN 201858014 U CN201858014 U CN 201858014U CN 2010205689906 U CN2010205689906 U CN 2010205689906U CN 201020568990 U CN201020568990 U CN 201020568990U CN 201858014 U CN201858014 U CN 201858014U
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- urea
- pressurized gas
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- pipeline
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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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
- Y02T10/12—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
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Abstract
The utility model relates to a selective catalytic reduction (SCR) urea liquid supplying and spraying system of a non-deflation emptying pipeline of a single urea box, which is characterized in that the upper face of a urea box is provided with a urea liquid charging port, a temperature and liquid level sensor, a pressure sensor of the urea box, a heating pipeline and a compressed gas passage, electromagnetic valves of compressed gas are arranged in a compressed air pipeline between an air storage cylinder of an automobile and the urea box, and a urea liquid filter is arranged in a urea liquid supplying pipeline between the urea box and a urea liquid sprayer. An electromagnetic valve A and an electromagnetic valve B of the electromagnetic valves of the compressed gas and the urea liquid sprayer are controlled by an electronic control unit (ECU) signal. The air consumption of the SCR urea liquid supplying and spraying system of the non-deflation emptying pipeline of the single urea box is very few. Meanwhile, the system cost can be lowered, the situation that an international supplier monopolizes this field is broken, and the advantage of independent development is fully exerted.
Description
Technical field
The utility model relates to the non-venting of a kind of single urea box and empties pipeline SCR urea supply and ejecting 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, empty urea liquid in the pipeline by automatically controlled pump suck-back, empty not thoroughly, system complex, price are very high, all be system supply, disagree with that breaking system is the components supplying merchant.
Summary of the invention
The purpose of this utility model is to provide the non-venting of a kind of single urea box to empty pipeline SCR urea supply and ejecting system, its air consumption is little, reduces cost, and breaks 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 technical solution of the utility model is achieved in that the non-venting of a kind of single urea box empties pipeline SCR urea supply and ejecting system, by urea liquid filler, urea box, the water heating pipe line, urea liquid temp and liquid level signal, the atmospheric temperature signal, SCR inlet temperature signal, the NOx signal, the urea box pressure signal, the ECU control signal is divided into the signal I, the signal II, the signal III, the urea-spray device, urea-spray device cooling line, the urea box heat control valve, pressurized gas control valve A and pressurized gas solenoid valve B, pressurized gas pipeline a and pressurized gas pipeline b, the urea indusion tube, urea liquid filter cleaner is formed; It is characterized in that: arrange urea liquid filler above the urea box, temperature and liquid level sensor, the urea box pressure transducer, heating pipe line, pressurized gas pipeline a and pressurized gas pipeline b, the pressurized gas solenoid valve is located among the pressurized gas pipeline a between automobile gas receiver and the urea box, and urea liquid filter cleaner is located in the urea liquid supply pipeline between urea box and the urea fluid injector; ECU SC sigmal control pressurized gas control valve A and two solenoid valves of pressurized gas solenoid valve B and urea fluid injector.
Good effect of the present utility model is that air consumption is little, reduces 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 utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described: the non-venting of a kind of as shown in Figure 1 single urea box empties pipeline SCR urea supply and ejecting system, 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 box pressure signal 10, the ECU control signal is divided into signal I 8, signal II 9, signal III 11, urea-spray device 12, urea-spray device cooling line 13, urea box heat control valve 16, pressurized gas control valve A14 and pressurized gas solenoid valve B20, pressurized gas pipeline a15 and pressurized gas pipeline b19, urea indusion tube 17, urea liquid filter cleaner 18 is formed; It is characterized in that: arrange urea liquid filler 1 above the urea box, temperature and liquid level sensor 4, urea box pressure transducer 10, heating pipe line 3, pressurized gas pipeline a15 and pressurized gas pipeline b19, the pressurized gas solenoid valve is located among the pressurized gas pipeline a15 between automobile gas receiver and the urea box, and urea liquid filter cleaner 18 is located in the urea liquid supply pipeline 17 between urea box 2 and the urea fluid injector 12.ECU SC sigmal control pressurized gas control valve A 14 and 20 two solenoid valves of pressurized gas solenoid valve B and urea fluid injector 12.
Whether the ECU control signal is controlled the urea box heat control valve and is heated according to the atmospheric temperature and the urea box temperature information of input.
The ECU control signal is judged whether needs filling urea liquid of secondary urea box according to the urea box liquid level information of input.
The ECU control signal is controlled the working state of urea-spray device according to SCR inlet temperature, urea the temperature inside the box, ambient temperature, the urea box liquid level information of input.
The ECU control signal judges according to the input of NOx information 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 is according to the pressure of input deliver a letter breath and closes compression gas control valve A14 and pressurized gas solenoid valve B20 by ECU, open urea-spray device 12, urea liquid arrives urea-spray device place by urea liquid filter cleaner 18 backs under the gas pressure effect 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 is lower than-11 ° of C car load powered-downs, stop back ECU according to nominal data closes compression gas control valve A14 at first, open pressurized gas solenoid valve B20, simultaneously open urea nozzle in short-term, empty urea liquid in urea pipe and the filter cleaner in urea box.ECU controls the switch of pressurized gas control valve A14 and pressurized gas solenoid valve B20 according to the information of demarcation and various inputs.
Claims (1)
1. the non-venting of single urea box empties pipeline SCR urea supply and ejecting system, is divided into signal I, signal II, signal III, urea-spray device, urea-spray device cooling line, urea box heat control valve, pressurized gas control valve A and pressurized gas solenoid valve B, pressurized gas pipeline a and pressurized gas pipeline b, urea indusion tube, urea liquid filter cleaner are formed by 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 box pressure signal, ECU control signal; It is characterized in that: arrange urea liquid filler above the urea box, temperature and liquid level sensor, the urea box pressure transducer, heating pipe line, pressurized gas pipeline a and pressurized gas pipeline b, the pressurized gas solenoid valve is located among the pressurized gas pipeline a between automobile gas receiver and the urea box, and urea liquid filter cleaner is located in the urea liquid supply pipeline between urea box and the urea fluid injector; ECU SC sigmal control pressurized gas control valve A and two solenoid valves of pressurized gas solenoid valve B and urea fluid injector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205689906U CN201858014U (en) | 2010-10-20 | 2010-10-20 | Selective catalytic reduction (SCR) urea liquid supplying and spraying system of non-deflation emptying pipeline of single urea box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205689906U CN201858014U (en) | 2010-10-20 | 2010-10-20 | Selective catalytic reduction (SCR) urea liquid supplying and spraying system of non-deflation emptying pipeline of single urea box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201858014U true CN201858014U (en) | 2011-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205689906U Expired - Fee Related CN201858014U (en) | 2010-10-20 | 2010-10-20 | Selective catalytic reduction (SCR) urea liquid supplying and spraying system of non-deflation emptying pipeline of single urea box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201858014U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975101A (en) * | 2010-10-20 | 2011-02-16 | 中国第一汽车集团公司 | SCR urea system for non-deflation emptying pipeline of pneumatic single-urea box |
| CN103161549A (en) * | 2011-12-15 | 2013-06-19 | 罗伯特·博世有限公司 | Method for heating conveying module in SCR catalyst system |
| CN109555583A (en) * | 2019-01-11 | 2019-04-02 | 安徽艾可蓝环保股份有限公司 | A kind of integrated gas helps formula urea injection system |
-
2010
- 2010-10-20 CN CN2010205689906U patent/CN201858014U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975101A (en) * | 2010-10-20 | 2011-02-16 | 中国第一汽车集团公司 | SCR urea system for non-deflation emptying pipeline of pneumatic single-urea box |
| CN103161549A (en) * | 2011-12-15 | 2013-06-19 | 罗伯特·博世有限公司 | Method for heating conveying module in SCR catalyst system |
| CN103161549B (en) * | 2011-12-15 | 2016-12-07 | 罗伯特·博世有限公司 | For heating the method for conveyor module in SCR catalyst system |
| CN109555583A (en) * | 2019-01-11 | 2019-04-02 | 安徽艾可蓝环保股份有限公司 | A kind of integrated gas helps formula urea injection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20191020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |