CN201650418U - Urea liquid supplying and ejecting system - Google Patents
Urea liquid supplying and ejecting system Download PDFInfo
- Publication number
- CN201650418U CN201650418U CN2009200945161U CN200920094516U CN201650418U CN 201650418 U CN201650418 U CN 201650418U CN 2009200945161 U CN2009200945161 U CN 2009200945161U CN 200920094516 U CN200920094516 U CN 200920094516U CN 201650418 U CN201650418 U CN 201650418U
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- China
- Prior art keywords
- urea
- valve
- liquid
- ecu
- box
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- Expired - Lifetime
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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
- Y02T10/40—Engine management systems
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to a urea liquid supplying and ejecting system, which is characterized in that a urea box module comprises a urea box, a filter screen, a urea liquid filling port, an air inlet valve, an air release valve, and a temperature and liquid level sensor, wherein the air inlet valve, the air release valve and the urea liquid filling port are formed on the urea box; the filter screen and the temperature and liquid level sensor are mounted in the urea box; a urea liquid pump module comprises two position control switches and eight electromagnetic valves; the two position control switches and the eight electromagnetic valves are arranged on an a and a b on the urea liquid pump; pressure sensors mounted on a urea liquid filter are arranged on the filter screen of the urea box and a urea liquid supply pipeline of a urea ejector; electromagnetic valves of two groups of urea liquid control valves (1, 2, 3 and 4) are connected in parallel with the urea liquid supply pipeline; the two groups of urea liquid control valves (1, 2, 3 and 4) are switched on and switched off by turns and are controlled by ECU signals; the position control switches of the a and the a on the urea pump is further connected with two groups of compressed air controlling valves controlled by ECU; and the ECU controls the switched on and the switched off of a cooling liquid controlling valve according to input temperature information of the urea box. Therefore, the cost of the system can be reduced, the situation that international suppliers monopolize the field is broken, and the advantage of self-development is fully used.
Description
Technical field:
The utility model relates to a kind of urea liquid and supplies with and ejecting system.
Background technique:
Ripe at present urea liquid is supplied with and ejecting system all is that offshore company produces, and all adopts the diaphragm pump structure, and price is very high, all is system supply, disagrees 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 liquid to supply with and ejecting system, reduces cost, and breaks the situation that international suppliers monopolizes this field, gives full play to the advantage of independent development.
The technical solution of the utility model is achieved in that supply of urea liquid and ejecting system, is made up of urea box module, heating pipe line and control valve, urea liquid supply pipeline, urea-spray device cooling liquid pipeline, compressed air line, urea liquid pump module, urea liquid filter cleaner, urea fluid injector, ECU; It is characterized in that: the urea box module is made up of urea box, filter screen, urea liquid filler, air inlet and exhaust valve, temperature and liquid level sensor; Urea box is provided with inlet and outlet valve and urea liquid filler, and filter screen, temperature and liquid level sensor are installed in the urea box; Urea liquid pump module by a on the urea pump and b be provided with two positions control switches, 8 electromagnetic valve switch are formed, the setting pressure sensor is located on the urea liquid supply pipeline of the filter screen of urea box and urea fluid injector on the urea liquid filter cleaner; Be parallel with the ECU SC sigmal control two groups on the urea liquid supply pipeline and intersect the urea hydraulic control valve 1-4 solenoid valve that opens and closes; Being provided with pipeline between valve 1 and valve 2 links to each other with a on the urea pump, establishing pipeline between valve 3 and the valve 4 links to each other with b on the urea pump, also be connected with two groups of compressed air control valves on the position control switch of a on the urea pump and b by ECU control, wherein compressed air control valve 5 and 6 series connection, valve 7 is connected with the ECU signal with 8 series connection backs; ECU controls the switch of coolant control valve according to the urea box temperature information of input;
Whether ECU controls heating pipe line according to the atmospheric temperature information of input and heats;
ECU controls the switch of 1 ~ 8 solenoid valve according to input position control switching information;
ECU judges according to the urea pressure information of input whether system is working properly;
Whether ECU adds urea according to the urea box liquid level information indicating driver of input;
ECU controls the work of urea-spray device according to SCR inlet temperature, urea box temperature, ambient temperature, urea pressure, the urea box liquid level information of input;
ECU judges according to the input of NOx information whether vehicle satisfies the requirement of OBD and carry out work according to the program of car load matching and calibration.
Good effect of the present utility model is: 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 a system schematic of the present utility model
Fig. 2 is that a end sucks the schematic representation of b end compression simultaneously under the working state;
Fig. 3 is that the b end sucks the schematic representation of a end compression simultaneously under the working state;
Fig. 4 is that a end sucks the schematic representation of b end compression simultaneously under the emptying state;
Fig. 5 is that the b end sucks the schematic representation of a end compression simultaneously under the emptying state;
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described: as shown in Figure 1, urea liquid is supplied with and ejecting system, is made up of urea box module, heating pipe line and control valve, urea liquid supply pipeline, urea-spray device cooling liquid pipeline, compressed air line, urea liquid pump module, urea liquid filter cleaner, urea fluid injector, ECU; It is characterized in that: the urea box module is made up of urea box 13, filter screen 12, urea liquid filler 14, inlet and outlet valve 15 and 16, temperature and liquid level sensor; Urea box 13 is provided with inlet and outlet valve 15,16 and urea liquid filler 14, and filter screen 12, temperature and liquid level sensor are installed in the urea box 13; Urea liquid pump module by a on the urea pump 9 and b be provided with two positions control switches, 8 electromagnetic valve switch are formed, the setting pressure sensor is located on the urea liquid supply pipeline of the filter screen 12 of urea box 13 and urea fluid injector 11 on the urea liquid filter cleaner 10; Be parallel with the ECU SC sigmal control two groups on the urea liquid supply pipeline and intersect the urea hydraulic control valve 1-4 solenoid valve that opens and closes; Link to each other with a on the urea pump 9 being provided with pipeline between valve 1 and the valve 2, establishing pipeline between valve 3 and the valve 4 links to each other with b on the urea pump 9, also be connected with two groups of compressed air control valves on the position control switch of a on the urea pump 9 and b by ECU control, wherein compressed air control valve 5 and 6 series connection, valve 7 is connected with the ECU signal with 8 series connection backs;
ECU controls the switch of coolant control valve according to the urea box temperature information of input;
Whether ECU controls heating pipe line according to the atmospheric temperature information of input and heats;
ECU controls the switch of 1 ~ 8 solenoid valve according to input position control switching information;
ECU judges according to the urea pressure information of input whether system is working properly;
Whether ECU adds urea according to the urea box liquid level information indicating driver of input;
ECU controls the work of urea-spray device according to SCR inlet temperature, urea box temperature, ambient temperature, urea pressure, the urea box liquid level information of input;
ECU judges according to the input of NOx information whether vehicle satisfies the requirement of OBD and carry out work according to the program of car load matching and calibration.
Urea liquid in the urea box 13 is 1～No. 4 urea hydraulic control valve and 5～No. 8 compressed air control valves to be controlled according to the signal of a on the urea pump 9, position, b two ends control switch by ECU, under the effect of urea pump 9 pistons, sucked respectively by the urea liquid pipeline among a, b cylinder of urea liquid pump 9, and the out of Memory of requirement of demarcating according to engine emission and ECU input is through after the filtering, spray in the outlet pipe by urea fluid injector 11, realize reducing the effect of NOx.
Under the working state as shown in Figure 2, the cylinder a of urea pump end sucks when the cylinder b end of urea pump 9 compresses simultaneously; Logical, the valve 2 of valve 1 this moment closes, and valve 3 closes, and valve 4 is logical; Valve 5 closes, valve 6 is logical, valve 7 is logical, valve 8 closes, and urea box 13 is communicated with the cylinder a of urea pump 9, and urea pump 9 cylinder a end sucks urea liquid from urea box under the effect of spring force, the cylinder b end of urea pump 9 presses down urea liquid in compressed-air actuated effect, when urea liquid need be sprayed in system, the urea-spray device sent the working state of command control urea-spray device 11 under the information of ECU according to All aspects of, reached the requirement of engine aftertreatment system to supply of urea liquid and ejecting system.
When the cylinder b of urea pump 9 end urea liquid is used up, this moment, urea liquid pump 9 inner carriers touched the cylinder b end position control switch of urea pump 9, and ECU receives information and sends instruction the urea liquid pump is transformed into as shown in Figure 3 state.
Under the working state as shown in Figure 3, the cylinder b of urea pump 9 end sucks the cylinder a end compression of urea pump 9 simultaneously; Valve 1 pass, valve 2 lead at this moment, and valve 3 is logical, and valve 4 closes; Valve 5 is logical, valve 6 closes, valve 7 closes, valve 8 is logical, and urea box is communicated with the cylinder b of urea pump 9, and the cylinder b end of urea pump 9 sucks urea liquid from urea box 13 under the effect of spring force, the cylinder a end of urea pump 9 presses down urea liquid in compressed-air actuated effect, when urea liquid need be sprayed in system, urea-spray device 11 sent the working state of command control urea-spray device 11 under the information of ECU according to All aspects of, reached the requirement of engine aftertreatment system to supply of urea liquid and ejecting system.
When the cylinder a of urea pump 9 end urea liquid is used up, this moment, urea liquid pump inner carrier touched the cylinder a end position control switch of urea pump 9, and ECU receives information and sends instruction the urea liquid pump is transformed into as shown in Figure 2 state.
Under the emptying state as shown in Figure 4, the cylinder a of urea pump 9 end sucks the cylinder b end compression of urea pump 9 simultaneously; Valve 1 pass, valve 2 lead at this moment, and valve 3 is logical, and valve 4 closes; Valve 5 closes, valve 6 is logical, valve 7 is logical, valve 8 closes, and urea box 13 is logical with the cylinder b of urea pump 9, and the cylinder a end of urea pump 9 sucks urea liquid from system under the effect of spring force, in inhaling urea liquid process, ECU control urea-spray device 11 is in opening state, guarantees that the cylinder a end of urea pump is held the cylinder a that the urea liquid in the system sucks urea pump 9, and this moment, the cylinder b end of urea pump 9 pressed down urea liquid in urea box 13 in compressed-air actuated effect.
When the cylinder b of urea pump 9 end urea liquid drains, this moment, urea liquid pump inner carrier touched the cylinder b end position control switch of urea pump 9, and ECU receives information and sends instruction the urea liquid pump is transformed into as shown in Figure 5 state.
Under the emptying state as shown in Figure 5, the cylinder b of urea pump 9 end sucks the cylinder a end compression of urea pump 9 simultaneously; Valve 1 pass, valve 2 lead at this moment, and valve 3 is logical, and valve 4 closes; Valve 5 is logical, and valve 6 closes, and valve 7 closes, and valve 8 is logical.Urea box 13 is logical with the cylinder a of urea pump 9, the cylinder b end of urea pump 9 sucks urea liquid from system under the effect of spring force, in inhaling urea liquid process, ECU control urea-spray device 11 is in opening state, the cylinder b end that guarantees urea pump 9 is held the cylinder b that the urea liquid in the system sucks urea pump 9, and this moment, the cylinder a end of urea pump 9 pressed down urea liquid in urea box in compressed-air actuated effect.
When the cylinder a of urea pump 9 end urea liquid drains, this moment, urea liquid pump 9 inner carriers touched the cylinder a end position control switch of urea pump 9, and ECU receives information and sends instruction the urea liquid pump is transformed into as shown in Figure 4 state.
Claims (2)
1. urea liquid is supplied with and ejecting system, is made up of urea box module, heating pipe line and control valve, urea liquid supply pipeline, urea-spray device cooling liquid pipeline, compressed air line, urea liquid pump module, urea liquid filter cleaner, urea fluid injector, ECU; It is characterized in that: the urea box module is made up of urea box (13), filter screen (12), urea liquid filler (14), suction valve (15) and outlet valve (16), temperature and liquid level sensor; Urea box (13) is provided with suction valve (15), outlet valve (16) and urea liquid filler (14), and filter screen (12), temperature and liquid level sensor are installed in the urea box (13); Urea liquid pump module is made up of the position control switch a on the urea pump (9) and a position control switch b, 8 electromagnetic valve switch, and urea liquid filter cleaner (10) is gone up on the urea liquid supply pipeline that the setting pressure sensor is located at the filter screen (12) of urea box (13) and urea fluid injector (11); Be parallel with two groups of urea hydraulic control valve 1-4 that intersection opens and closes on the urea liquid supply pipeline by the ECU SC sigmal control; Link to each other at a position control switch a who is provided with between valve 1 and the valve 2 on pipeline and the urea pump (9), establishing pipeline between valve 3 and the valve 4 links to each other with the upper control switch of urea pump (9) b, also be connected with two groups of compressed air control valves on position control switch a on the urea pump (9) and the position control switch b by ECU control, wherein compressed air control valve 5 and valve 6 series connection, valve 7 is connected with the ECU signal with 8 series connection backs; ECU controls the switch of coolant control valve according to the urea box temperature information of input.
2. urea liquid according to claim 1 is supplied with and ejecting system, it is characterized in that described ECU controls heating pipe line according to the atmospheric temperature information of input and whether heats; ECU controls the switch of 1～8 solenoid valve according to input position control switching information; ECU judges according to the urea pressure information of input whether system is working properly;
Whether ECU adds urea according to the urea box liquid level information indicating driver of input;
ECU controls the work of urea-spray device according to SCR inlet temperature, urea box temperature, ambient temperature, urea pressure, the urea box liquid level information of input;
ECU judges according to the input of NOx information whether vehicle satisfies the requirement of OBD and carry out work according to the program of car load matching and calibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200945161U CN201650418U (en) | 2009-09-30 | 2009-09-30 | Urea liquid supplying and ejecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200945161U CN201650418U (en) | 2009-09-30 | 2009-09-30 | Urea liquid supplying and ejecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650418U true CN201650418U (en) | 2010-11-24 |
Family
ID=43115651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200945161U Expired - Lifetime CN201650418U (en) | 2009-09-30 | 2009-09-30 | Urea liquid supplying and ejecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650418U (en) |
Cited By (4)
| 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 |
| CN102022162A (en) * | 2010-12-15 | 2011-04-20 | 中国第一汽车集团公司 | Urea system with urea pump inside and filter outside urea box |
| CN102032029A (en) * | 2009-09-30 | 2011-04-27 | 中国第一汽车集团公司 | Urea solution supplying and spraying system |
| CN112758882A (en) * | 2019-11-05 | 2021-05-07 | 上海重塑能源科技有限公司 | Method and device for filling coolant in fuel cell vehicle |
-
2009
- 2009-09-30 CN CN2009200945161U patent/CN201650418U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032029A (en) * | 2009-09-30 | 2011-04-27 | 中国第一汽车集团公司 | Urea solution supplying and spraying system |
| 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 |
| CN102022162A (en) * | 2010-12-15 | 2011-04-20 | 中国第一汽车集团公司 | Urea system with urea pump inside and filter outside urea box |
| CN112758882A (en) * | 2019-11-05 | 2021-05-07 | 上海重塑能源科技有限公司 | Method and device for filling coolant in fuel cell vehicle |
| CN112758882B (en) * | 2019-11-05 | 2022-07-12 | 上海重塑能源科技有限公司 | Method and device for filling coolant in fuel cell vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |