CN201902252U - Built-in type urea system for urea pump-urea filter - Google Patents
Built-in type urea system for urea pump-urea filter Download PDFInfo
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- CN201902252U CN201902252U CN2010206613139U CN201020661313U CN201902252U CN 201902252 U CN201902252 U CN 201902252U CN 2010206613139 U CN2010206613139 U CN 2010206613139U CN 201020661313 U CN201020661313 U CN 201020661313U CN 201902252 U CN201902252 U CN 201902252U
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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
- Y02T10/12—Improving ICE efficiencies
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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 utility model relates to a built-in type urea system for a urea pump-a urea filter, which is characterized in that a urea fluid filling port, a temperature and liquid level sensor and a heating pipeline are formed on a urea box; a urea filter is arranged in the urea box; the urea filter is connected with the urea pump; an ECU (Environment Control Unit) control signal A is used for controlling a heating solenoid valve of the urea box; an ECU control signal B is used for controlling the urea pump; and an ECU control signal C is used for controlling a urea fluid ejector. The built-in type urea system can reduce the system cost, breaks the situation that an international supplier monopolizes the filed, and gives full play to the advantages of independent development.
Description
Technical field
The utility model relates to a kind of urea pump-built-in urea system of urea filter cleaner, particularly a kind of urea box 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 purpose of this utility model is to provide a kind of urea pump-built-in urea system of urea filter cleaner, reduces cost, and 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 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.
The technical solution of the utility model is achieved in that a kind of urea pump-built-in urea system of urea filter cleaner, 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 the urea filter cleaner in the urea box, the urea filter cleaner is connected with urea pump, 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.
Whether 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 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 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 of input.
Good effect of the present utility model 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 utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described: a kind of urea pump shown in Fig. 1-built-in urea system of urea filter cleaner, 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; It is characterized in that: arrange urea liquid filler 1 above the urea box, temperature and liquid level sensor 4, heating pipe line 3; Be provided with urea filter cleaner 18 in the urea box 2, urea filter cleaner 18 is connected with urea pump 16, 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 box heat control 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 control urea pump 16 by ECU control signal B 9 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, stop back ECU control signal B9 and ECU control signal C11 according to nominal data control urea pump 16 and urea-spray device 12, inhale urea liquid in empty urea pipe 17 systems by urea pump 16 counter-rotating, empty and finish.ECU control signal B9 and ECU control signal C11 are according to the work of nominal data control urea pump 16 and urea-spray device 12.Urea liquid at first enters urea filter cleaner 18 through behind the urea pump 16 during system works, and urea pump 16 back pressures are little like this, provide system a pressure stable, improved the durability of urea pump.
Claims (4)
1. urea pump-built-in urea system of urea filter cleaner 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 the urea filter cleaner in the urea box, the urea filter cleaner is connected with urea pump, 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 described a kind of urea pump of claim 1-built-in urea system of urea filter cleaner, 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 described a kind of urea pump of claim 1-built-in urea system of urea filter cleaner, 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 described a kind of urea pump of claim 1-built-in urea system of urea filter cleaner, 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 |
|---|---|---|---|
| CN2010206613139U CN201902252U (en) | 2010-12-15 | 2010-12-15 | Built-in type urea system for urea pump-urea filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206613139U CN201902252U (en) | 2010-12-15 | 2010-12-15 | Built-in type urea system for urea pump-urea filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201902252U true CN201902252U (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206613139U Expired - Fee Related CN201902252U (en) | 2010-12-15 | 2010-12-15 | Built-in type urea system for urea pump-urea filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201902252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022163A (en) * | 2010-12-15 | 2011-04-20 | 中国第一汽车集团公司 | Urea pump-urea filter built-in urea system |
-
2010
- 2010-12-15 CN CN2010206613139U patent/CN201902252U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022163A (en) * | 2010-12-15 | 2011-04-20 | 中国第一汽车集团公司 | Urea pump-urea filter built-in urea 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20191215 |