CN203098003U - Automotive selective catalytic reduction system urea pump - Google Patents
Automotive selective catalytic reduction system urea pump Download PDFInfo
- Publication number
- CN203098003U CN203098003U CN201320055461XU CN201320055461U CN203098003U CN 203098003 U CN203098003 U CN 203098003U CN 201320055461X U CN201320055461X U CN 201320055461XU CN 201320055461 U CN201320055461 U CN 201320055461U CN 203098003 U CN203098003 U CN 203098003U
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- CN
- China
- Prior art keywords
- pump
- pipeline
- catalytic reduction
- selective catalytic
- reduction system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- 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
- Y02T10/12—Improving ICE efficiencies
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to an automotive selective catalytic reduction system urea pump. A single chip computer communicates with an engine controller through a CAN bus utilized by a wiring harness connector B to obtain parameters of rotating speed, torque, water temperature, waste gas flow quantity and the like, then the single chip computer makes a gear pump work based on circumstances, the gear pump extracts urea solution from a liquid inlet through a pipeline C, a filter element and a pipeline B after working, the extracted urea solution is delivered to a liquid outlet through a pipeline A after being filtered by the filter element and pressurized by the gear pump, and the aim of increasing high-pressure urea solution is achieved. The automotive selective catalytic reduction system urea pump is simple in structure, low in manufacturing cost, and reliable to use.
Description
Technical field
The utility model relates to a kind of auto parts and components, is specifically related to a kind of pump.
Background technique
Along with the more and more attention to living environment, the discharging of the pollutant of motor vehicle exhaust emission, particularly NOx also more and more receives publicity.Country is also corresponding to have put into effect a series of Abgasgesetzs the engine exhaust pollutant has been controlled, along with state's four Abgasgesetzs at hand, various after-treatment systems arise at the historic moment, but the selective catalytic reduction system operating effect is the most desirable, urea pump complex structure in the existing selective catalytic reduction system operating, the manufacture cost height.
Summary of the invention
The utility model provides a kind of automobile-used selective catalytic reduction system operating urea pump in order to overcome the deficiency of above technology.
The technological scheme that its technical problem that overcomes the utility model adopts is:
This automobile-used selective catalytic reduction system operating urea pump, comprise pump box, be installed on gear pump and filter core in the pump box, be fixed in loam cake on the pump box by bolt seal, be installed in single-chip microcomputer that covers and the wiring harness connector B that is used to be connected engine controller that is connected in single-chip microcomputer, be arranged at liquid entering hole and liquid outlet on the pump box, connect by pipeline B between the inlet opening of described liquid entering hole and filter core, connect by pipeline A between the delivery outlet of described gear pump and the liquid outlet, the inlet opening of described gear pump is connected by pipeline C with the delivery outlet of filter core, described pump box is provided with the wiring harness connector A that is connected in gear pump, and described single-chip microcomputer is connected in gear pump by wiring harness connector A.
In order to realize the stable of force value, also comprise the pressure transducer that is installed on the liquid outlet, described pressure transducer is connected in single-chip microcomputer.
In order to realize the pipeline heating, also comprise the heating blanket that is fixed on pipeline A, pipeline B and the pipeline C outer surface of tube wall, described heating blanket is connected in single-chip microcomputer through relay.
Renew cartridge more for convenience also comprises by thread seal and is fixed in filter core lid on the pump box, described filter core lid be positioned at filter core directly over.
In order to improve sealing, the joint of above-mentioned liquid entering hole and liquid outlet and pump box is equipped with rubber envelope piece.
For convenience of fixed relay, above-mentioned pump box is provided with the hole that is used to install relay.
In order to improve sealing, above-mentioned wiring harness connector A is the waterproof wiring harness connector.
The beneficial effects of the utility model are: CAN bus and engine controller communication that single-chip microcomputer utilizes by wiring harness connector B, parameters such as the rotating speed of acquisition motor, moment of torsion, water temperature, exhaust gas flow, single-chip microcomputer according to circumstances makes gear pump work afterwards, after the gear pump work can by pipeline C through filter core and pipeline B extracted urea solution from liquid entering hole, the urea liquid that extracts is delivered to liquid outlet by pipeline A, thereby improves the purpose of high pressure urea liquid in realizing by filter element filtering, gear pump pressurization back.This automobile-used selective catalytic reduction system operating urea pump is simple in structure, and low cost of manufacture is used reliable.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is the structural representation of looking up of the present utility model;
Fig. 3 looks the internal structure schematic representation for master of the present utility model;
Fig. 4 is the internal structure schematic representation of band heating blanket of the present utility model;
Among the figure, 1. pump box 2. single-chip microcomputers 3. wiring harness connector A 4. liquid entering holes 5. liquid outlets 6. filter cores cover 7. rubber envelope piece, 8. loam cakes, 9. wiring harness connector B, 10. gear pumps, 11. pipeline A, 12. pipeline B, 13. pipeline C, 14. pressure transducers, 15. holes, 16. heating blankets, 17. filter cores.
Embodiment
Be described further below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3,4 pairs of the utility model of accompanying drawing.
This automobile-used selective catalytic reduction system operating urea pump, comprise pump box 1, be installed on gear pump 10 and filter core 17 in the pump box 1, be fixed in loam cake 8 on the pump box 1 by bolt seal, be installed in single-chip microcomputer 2 and the wiring harness connector B 9 that is used to be connected engine controller that is connected in single-chip microcomputer 2 on the loam cake 8, be arranged at liquid entering hole 4 and liquid outlet 5 on the pump box 1, connect by pipeline B 12 between the inlet opening of described liquid entering hole 4 and filter core 17, connect by pipeline A 11 between the delivery outlet of described gear pump 10 and the liquid outlet 5, the delivery outlet of the inlet opening of described gear pump 10 and filter core 17 is connected by pipeline C 13, described pump box 1 is provided with the wiring harness connector A 3 that is connected in gear pump 10, and described single-chip microcomputer 2 is connected in gear pump 10 by wiring harness connector A 3.CAN bus and engine controller communication that single-chip microcomputer 2 utilizes by wiring harness connector B 9, parameters such as the rotating speed of acquisition motor, moment of torsion, water temperature, exhaust gas flow, single-chip microcomputer 2 according to circumstances makes gear pump 10 work afterwards, after gear pump 10 work can by pipeline C 13 through filter core 17 and pipeline B 12 extracted urea solution from liquid entering hole 4, the urea liquid that extracts is delivered to liquid outlet 5 by pipeline A 11, thereby improves the purpose of high pressure urea liquid in realizing by filter core 17 filtrations, gear pump 10 pressurization backs.This automobile-used selective catalytic reduction system operating urea pump is simple in structure, and low cost of manufacture is used reliable.
Also comprise the pressure transducer 14 that is installed on the liquid outlet 5, described pressure transducer 14 is connected in single-chip microcomputer 2.Pressure transducer 14 can be measured the hydraulic coupling that of liquid outlet 5, and with the force value signal feed back to single-chip microcomputer 2, single-chip microcomputer 2 is according to the load of the desired value real-time regulated gear pump of regulating 10, so that the force value of urea liquid at liquid outlet 5 places is stabilized in the desired value annex.
Also comprise the heating blanket 16 that is fixed on pipeline A 11, pipeline B 12 and pipeline C 13 outer surface of tube wall, described heating blanket 16 is connected in single-chip microcomputer 2 through relay.When winter ambient temperature low excessively when causing urea liquid in the pipeline to freeze, single-chip microcomputer 2 can the control relay adhesive realizes that thereby heating blanket 16 energisings can heating pipe line A 11, pipeline B 12 and pipeline C 13, this automobile-used selective catalytic reduction system operating urea pump the urea liquid of its inner icing melted, so that can be worked smoothly.
Also comprise by thread seal and be fixed in filter core lid 6 on the pump box 1, described filter core lid 6 be positioned at filter core 17 directly over.Filter core 17 is mainly used in the filtration urea liquid, therefore it has certain life-span, just need more renew cartridge 17 after a period of time when using, the filter core lid of opening on the pump box 16 can take out the filter core in the pump box 1 17, insert afterwards and will filter core cap 6 behind the new filter core 17 again and screw to be fixed on the pump box 1 and get final product, the simple and fast that more changes jobs has improved the convenience of safeguarding.
Above-mentioned pump box 1 is provided with the hole 15 that is used to install relay.Relay can be fixed on the pump box 1 by hole 15, makes integral arrangement compact clean and tidy.
Above-mentioned wiring harness connector A 3 is the waterproof wiring harness connector, and liquid entering hole 4 and liquid outlet 5 are equipped with rubber envelope piece 7 with the joint of pump box 1.Adopt waterproof wire harness interface 5 and utilize rubber envelope piece 7 can improve the sealing of pump box 1, prolonged working life.
Claims (7)
1. automobile-used selective catalytic reduction system operating urea pump, it is characterized in that: comprise pump box (1), be installed on gear pump (10) and filter core (17) in the pump box (1), be fixed in loam cake (8) on the pump box (1) by bolt seal, be installed in single-chip microcomputer (2) and the wiring harness connector B(9 that is used to be connected engine controller that is connected in single-chip microcomputer (2) on the loam cake (8)), be arranged at liquid entering hole (4) and liquid outlet (5) on the pump box (1), pass through pipeline B(12 between the inlet opening of described liquid entering hole (4) and filter core (17)) connect, pass through pipeline A(11 between the delivery outlet of described gear pump (10) and the liquid outlet (5)) connect, the delivery outlet of the inlet opening of described gear pump (10) and filter core (17) is by pipeline C(13) be connected, described pump box (1) is provided with the wiring harness connector A(3 that is connected in gear pump (10)), described single-chip microcomputer (2) is by wiring harness connector A(3) be connected in gear pump (10).
2. a kind of automobile-used selective catalytic reduction system operating urea pump according to claim 1 is characterized in that: also comprise the pressure transducer (14) that is installed on the liquid outlet (5), described pressure transducer (14) is connected in single-chip microcomputer (2).
3. a kind of automobile-used selective catalytic reduction system operating urea pump according to claim 1, it is characterized in that: also comprise and be fixed in pipeline A(11), pipeline B(12) and pipeline C(13) heating blanket (16) on the outer surface of tube wall, described heating blanket (16) is connected in single-chip microcomputer (2) through relay.
4. a kind of automobile-used selective catalytic reduction system operating urea pump according to claim 1 is characterized in that: also comprise by thread seal and be fixed in filter core lid (6) on the pump box (1), described filter core lid (6) be positioned at filter core (17) directly over.
5. a kind of automobile-used selective catalytic reduction system operating urea pump according to claim 1 is characterized in that: described liquid entering hole (4) and liquid outlet (5) are equipped with rubber envelope piece (7) with the joint of pump box (1).
6. according to any described a kind of automobile-used selective catalytic reduction system operating urea pump in the claim 1 to 5, it is characterized in that: described pump box (1) is provided with the hole (15) that is used to install relay.
7. a kind of automobile-used selective catalytic reduction system operating urea pump according to claim 6 is characterized in that: described wiring harness connector A(3) be the waterproof wiring harness connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320055461XU CN203098003U (en) | 2013-01-31 | 2013-01-31 | Automotive selective catalytic reduction system urea pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320055461XU CN203098003U (en) | 2013-01-31 | 2013-01-31 | Automotive selective catalytic reduction system urea pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203098003U true CN203098003U (en) | 2013-07-31 |
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ID=48849410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320055461XU Expired - Fee Related CN203098003U (en) | 2013-01-31 | 2013-01-31 | Automotive selective catalytic reduction system urea pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203098003U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727909A (en) * | 2015-04-01 | 2015-06-24 | 天纳克（苏州）排放***有限公司 | Urea injection assembly |
| CN107387216A (en) * | 2017-08-24 | 2017-11-24 | 弗兰科希管件***（上海）有限公司 | Pipeline structure and selective catalytic reduction system operating |
| WO2018072558A1 (en) * | 2016-10-21 | 2018-04-26 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| WO2018072560A1 (en) * | 2016-10-21 | 2018-04-26 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| WO2018072559A1 (en) * | 2016-10-21 | 2018-04-26 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| CN107975405A (en) * | 2016-10-21 | 2018-05-01 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| WO2020084004A1 (en) * | 2018-10-25 | 2020-04-30 | Delphi Technologies Ip Limited | A pump assembly for use in a selective catalytic reduction (scr) system |
-
2013
- 2013-01-31 CN CN201320055461XU patent/CN203098003U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727909A (en) * | 2015-04-01 | 2015-06-24 | 天纳克（苏州）排放***有限公司 | Urea injection assembly |
| CN104727909B (en) * | 2015-04-01 | 2023-11-17 | 天纳克（苏州）排放***有限公司 | Urea injection assembly |
| CN107975406A (en) * | 2016-10-21 | 2018-05-01 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| WO2018072560A1 (en) * | 2016-10-21 | 2018-04-26 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| WO2018072559A1 (en) * | 2016-10-21 | 2018-04-26 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| CN107975404A (en) * | 2016-10-21 | 2018-05-01 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| WO2018072558A1 (en) * | 2016-10-21 | 2018-04-26 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| CN107975401A (en) * | 2016-10-21 | 2018-05-01 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| CN107975405A (en) * | 2016-10-21 | 2018-05-01 | 天纳克（苏州）排放***有限公司 | Urea pump module |
| CN107387216A (en) * | 2017-08-24 | 2017-11-24 | 弗兰科希管件***（上海）有限公司 | Pipeline structure and selective catalytic reduction system operating |
| CN107387216B (en) * | 2017-08-24 | 2024-01-19 | 弗兰科希管件***（上海）有限公司 | Pipeline structure and selective catalytic reduction system |
| WO2020084004A1 (en) * | 2018-10-25 | 2020-04-30 | Delphi Technologies Ip Limited | A pump assembly for use in a selective catalytic reduction (scr) system |
| GB2578434A (en) * | 2018-10-25 | 2020-05-13 | Delphi Tech Ip Ltd | A pump assembly for use in a selective catalytic reduction (SCR) system |
| CN113330198A (en) * | 2018-10-25 | 2021-08-31 | 德尔福知识产权有限公司 | Pump assembly for Selective Catalytic Reduction (SCR) system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SINOTRUK JINAN FUQIANG POWER CO., LTD. Free format text: FORMER OWNER: CHINA NATIONAL HEAVY DUTY TRUCK GROUP JINAN POWER CO., LTD. Effective date: 20141211 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250002 JINAN, SHANDONG PROVINCE TO: 250220 JINAN, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141211 Address after: 250220 Shandong city of Ji'nan province Zhangqiu City Sheng Jing Tang Shan Lu Bei Lu Xi Pan Wang Patentee after: SINOTRUK JINAN FUQIANG POWER CO., LTD. Address before: 250002 Ji'nan, central city, Shandong hero hill road, No. 165 Patentee before: China National Heavy Duty Truck Group Jinan Power Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20160131 |
|
| EXPY | Termination of patent right or utility model |