CN201835894U - Single urea box full-deflating empty pipeline serum creatinine (SCR) urea power supply and injection system - Google Patents
Single urea box full-deflating empty pipeline serum creatinine (SCR) urea power supply and injection system Download PDFInfo
- Publication number
- CN201835894U CN201835894U CN2010205689874U CN201020568987U CN201835894U CN 201835894 U CN201835894 U CN 201835894U CN 2010205689874 U CN2010205689874 U CN 2010205689874U CN 201020568987 U CN201020568987 U CN 201020568987U CN 201835894 U CN201835894 U CN 201835894U
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- CN
- China
- Prior art keywords
- urea
- control valve
- pressurized gas
- pipeline
- gas control
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- Expired - Fee Related
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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
-
- 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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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to a single urea box full-deflating empty pipeline serum creatinine (SCR) urea power supply and injection system which is characterized in that a urea box is provided with a urea liquid injection hole, a temperature and liquid level sensor, a urea box pressure sensor and a heating pipeline; compressed gas enters a compressed gas pipeline I and a compressed gas pipeline III, and the gas is discharged into a compressed gas electromagnetic valve B; a compressed gas control valve A, a compressed gas control valve B and a compressed gas control valve C are arranged in a compressed air pipeline between an automobile gas reservoir and the urea box; a urea liquid filter is arranged in a urea liquid supply pipeline between the urea box and a urea liquid injector; and an electronic control unit (ECU) signal is used for controlling the compressed gas control valve A, the compressed gas control valve B, the compressed gas control valve C, three electromagnetic valves and the urea liquid injector. The system can thoroughly empty the urea liquid in a system pipeline, thus reducing the system cost, breaking the situation that the field is monopolized by international suppliers, and fully develops the advantage of autonomous development.
Description
Technical field
The utility model relates to the full venting of a kind of single urea box and empties power supply of pipeline SCR urea and ejecting system, particularly relates to the full venting of the single urea box of a kind of pneumatic type and empties pipeline SCR urea supply and ejecting system.
Background technique
Ripe at present direct spray type 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, pipeline empties and is the pump inverse inhalation type, 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 full venting of a kind of single urea box to empty power supply of pipeline SCR urea and ejecting system, and it has reduced cost, breaks the situation that international suppliers monopolizes this field, gives full play to the advantage of independent development, is convenient to the layout of car load.
The technical solution of the utility model is achieved in that the full venting of a kind of single urea box empties power supply of pipeline SCR urea 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 6, 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, pressurized gas control valve B, pressurized gas control valve C, pressurized gas pipeline I, pressurized gas pipeline II and pressurized gas pipeline III, 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 enters pressurized gas pipeline I and pressurized gas pipeline III, exit to pressurized gas solenoid valve B, pressurized gas control valve A, pressurized gas control valve B, pressurized gas control valve C are located in the compressed air line 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, pressurized gas control valve B, three solenoid valves of pressurized gas control valve C and urea fluid injector.
Good effect of the present utility model is the urea liquid that thoroughly empties in the system pipeline, 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 full venting of a kind of as shown in Figure 1 single urea box empties power supply of pipeline SCR urea 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 A 14, pressurized gas control valve B 20, pressurized gas control valve C 21, pressurized gas pipeline I 15, pressurized gas pipeline II 19 and pressurized gas pipeline III 22, 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 enters pressurized gas pipeline I 15 and pressurized gas pipeline III 22, exit to pressurized gas solenoid valve B 20, pressurized gas control valve A 14, pressurized gas control valve B 20, pressurized gas control valve C 21 are located in the compressed air line 15 between automobile gas receiver and the urea box 2, 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, pressurized gas control valve B 20,21 3 solenoid valves of pressurized gas control valve C and urea fluid injector 12.
Whether described 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.
Described ECU control signal is judged whether needs filling urea liquid of urea box according to the urea box liquid level information of input.
When the environment minimum temperature is lower than-11 ° of C car load powered-downs, ECU is according to nominal data closes compression gas control valve A 14 at first, open pressurized gas control valve B 20, closes compression gas control valve B 20 when pressure is reduced to atmospheric pressure in the urea box, open pressurized gas control valve C21 simultaneously and open urea nozzle, empty the urea liquid in urea management and the filter cleaner, closes compression gas control valve C21 then, open pressurized gas control valve B 20 simultaneously, emit closes compression gas control valve B 20 behind this body of calming the anger in the urea box, empty and finish.
Urea liquid in the urea box is according to the pressure of input deliver a letter breath and closes compression gas control valve A 14, pressurized gas control valve B 20, pressurized gas control valve C 21 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.
Claims (1)
1. the full venting of single urea box empties power supply of pipeline SCR urea 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, pressurized gas control valve B, pressurized gas control valve C, pressurized gas pipeline I, pressurized gas pipeline II and pressurized gas pipeline III, 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 enters pressurized gas pipeline I and pressurized gas pipeline III, exit to pressurized gas solenoid valve B, pressurized gas control valve A, pressurized gas control valve B, pressurized gas control valve C are located in the compressed air line 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, pressurized gas control valve B, three solenoid valves of pressurized gas control valve C and urea fluid injector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205689874U CN201835894U (en) | 2010-10-20 | 2010-10-20 | Single urea box full-deflating empty pipeline serum creatinine (SCR) urea power supply and injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205689874U CN201835894U (en) | 2010-10-20 | 2010-10-20 | Single urea box full-deflating empty pipeline serum creatinine (SCR) urea power supply and injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201835894U true CN201835894U (en) | 2011-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205689874U Expired - Fee Related CN201835894U (en) | 2010-10-20 | 2010-10-20 | Single urea box full-deflating empty pipeline serum creatinine (SCR) urea power supply and injection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201835894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005819A (en) * | 2014-05-19 | 2014-08-27 | 西南交通大学 | Air pressure type urea metering injection system with two urea pressure containers |
-
2010
- 2010-10-20 CN CN2010205689874U patent/CN201835894U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005819A (en) * | 2014-05-19 | 2014-08-27 | 西南交通大学 | Air pressure type urea metering injection system with two urea pressure containers |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20191020 |