CN103835789B - A kind of light bus SCR heating-cooling coil structure - Google Patents
A kind of light bus SCR heating-cooling coil structure Download PDFInfo
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- CN103835789B CN103835789B CN201410090552.6A CN201410090552A CN103835789B CN 103835789 B CN103835789 B CN 103835789B CN 201410090552 A CN201410090552 A CN 201410090552A CN 103835789 B CN103835789 B CN 103835789B
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- heating
- pipe
- injection unit
- cooling
- carbamide
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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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Abstract
A kind of light bus SCR heating-cooling coil structure, wherein: include adding heat pipe and cooling tube, and described in add heat pipe and with described cooling tube, electromotor be connected with urea tank, carbamide injection unit, carbamide in urea tank is heated by described electromotor, described carbamide injection unit is cooled down, electromotor is connected by it with urea tank, carbamide injection unit, and carbamide is heated, carbamide injection unit is cooled down, maintain normal duty.
Description
Technical field
The present invention is about a kind of automobile component, particularly one light bus SCR heating-cooling coil structure.
Background technology
Automotive field is a complex industrial, and it includes the combination of multiple material and parts.Wherein the normal operation of relevant pipe fitting and pipeline is the important component part that auto industry develops as modern technologies.
In light bus chassis technical field and gas extraction system field, heat for the SCR of Europe five discharge phase, pipe structure for cooling is this field important technological problems.
Such as public transport market at home, comings adopts in-cylinder combustion optimization and SCR technology (SCR) to meet Europe five discharge standard.Europe five discharge standard requires that nitrogen oxides (NOx) and particulate matter (PM) discharge are reduced to 2 grams of every kilowatt hours and 0.02 gram of every kilowatt hour.SCR technology can bring the reliability of better fuel economy, longer maintenance interval and Geng Gao for electromotor.
Heat at the SCR of Europe five discharge phase, in pipe structure for cooling, its after-treatment system contains urea liquid pipeline.In wherein common urea tank, the heating of carbamide is thawed and enters the Adblue temperature problem of jet module, is the premise of the normal operation of automobile.
The subzero 11 ° of solidifications of standard urea solution, for this it is necessary to have suitable firing equipment is to ensure normal circulation.Urea tank and urea pipe all have heating means, sensor and electronic device heating is such as utilized can effectively to measure and control its temperature, but this method increasing integral vehicle cost and it needs to the installing space of additional configuration electrical equipment, additionally the potential safety hazard of adding electric equipment increases.
And under the working condition of long car engine, urea liquid therein is also required to cooling down operation, to ensure its normal working environment.Adopt at present generally traditional air cooling way, but air-cooled inefficient, and the size of fan is also affected by the limited of installation site and space.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of light bus SCR heating-cooling coil structure, wherein: include adding heat pipe and cooling tube, and electromotor is connected by described heating-cooling coil with urea tank, carbamide injection unit, described urea tank carbamide is heated by described electromotor and described carbamide injection unit is cooled down.
The present invention utilizes electromotor as power and energy end, its same urea tank, carbamide injection unit is connected, and by electromotor, carbamide is heated, carbamide injection unit is cooled down, and maintains normal duty.
Accompanying drawing explanation
Fig. 1 is general assembly schematic diagram of the present invention；
Fig. 2 is inventive engine side schematic diagram；With
Fig. 3 is injection unit side of the present invention schematic diagram.
Accompanying drawing labelling: 1 heating-cooling coil, the water inlet pipe of 2 water break solenoid valves, 3 water break solenoid valves, the water inlet pipe of 4 urea tank, the return pipe of 5 urea tank, 6 electromotors, 7 urea tank, 8 carbamide injection units, 10 water break solenoid valve supports, 11 heating threeways, 12 cooling threeways, 13 pipe clamps, 14O type dual-pipe clamp, 15 clips, 16 sheaths, 17 quick connectors.
Detailed description of the invention
As shown in Figures 1 to 3, the present invention provides a kind of light bus SCR heating-cooling coil structure, wherein: include heating-cooling coil 1, and electromotor 6 is connected by described heating-cooling coil 1 with urea tank 7, carbamide injection unit 8, described urea tank 7 to be heated by described electromotor 6, carbamide injection unit 8 cools down.
The present invention utilizes electromotor as power and energy end, its same urea tank, carbamide injection unit is connected, and by the offer that it is heated, cools down by electromotor, maintains normal duty.
As the improvement of the present invention, it also has urea tank 7, and described heating-cooling coil 1 is also connected with the water inlet pipe 4 of described urea tank 7.
As the preferred embodiments of the present invention, between described heating-cooling coil 1 and the water inlet pipe 4 of described urea tank 7, there is water break solenoid valve 3.As preferred improvement, the water inlet pipe 2 of described water break solenoid valve is connected with described heating-cooling coil 1, and described water break solenoid valve 3 is connected with the water inlet pipe 4 of described urea tank.
As an improvement of the present embodiment, also having water break solenoid valve support 10, described water break solenoid valve 3 is fixedly linked by bolt and described water break solenoid valve support 10.
Another as the present invention improves, and described heating-cooling coil 1 is also connected with the return pipe 5 of described urea tank 7.
As the preferred embodiment of the present invention, if Fig. 2 is to shown in 3, described heating-cooling coil 1 is connected with the water inlet pipe 2 of described water break solenoid valve by heating threeway 11, is connected with the return pipe 5 of described urea tank by cooling threeway 12；Described heating-cooling coil is connected 8 with electromotor 7 and injection unit.
As the further improvement of the present invention, if Fig. 2 is to shown in 3, it also has: pipe clamp 13, contains pipe clamp 13 through described heating-cooling coil；O type dual-pipe clamp 14, heating-cooling coil contains O type dual-pipe clamp 14 and is fixedly connected in the air inlet pipe of electromotor 6 by described heating-cooling coil 1；Clip 15, is undertaken extending and connecting by described heating-cooling coil 1 through described clip 15, namely by clip realize between parts the assembling added on heat pipe or cooling tube with realize extend and connect；With sheath 16, described sheath is coated on the outer surface of described heating-cooling coil.
Wherein as preferred embodiment, described clip 15 is worm gear clamping hoop, and described sheath 16 is spiral winded type sheath.Namely by being spirally wound on the surface of pipe.
As another preferred embodiment, described heating-cooling coil is connected with described carbamide injection unit 8 through fast patch plug 17.
Announcement through above-described embodiment He its optimal way, it will be understood by those skilled in the art that, present configuration (heating-cooling coil structure) is connected with electromotor, urea tank, when worst cold case runs, by this circulation special purpose interface on electromotor, it is achieved to the function that the Urea in urea tank thaws；Present configuration is connected with electromotor, carbamide injection unit, by this circulation special purpose interface on electromotor, jet module is cooled down, to ensure to enter the Adblue temperature of jet module.
Present configuration solves the heating defrosting of carbamide in urea tank, ensures to enter the Adblue temperature problem of jet module.
Should be appreciated that invention which is intended to be protected is not limited to non-limiting embodiments, it should be understood that non-limiting embodiments illustrates as just example.The protection domain of the essence that the application to require more is embodied in the scope that independent claims provide and its dependent claims.
Claims (3)
1. a light bus SCR heating-cooling coil structure, it is characterized in that: include adding heat pipe and cooling tube, and electromotor is connected by described heating-cooling coil with urea tank, carbamide injection unit, carbamide in urea tank is heated by described electromotor, described carbamide injection unit is cooled down；
Also include water break solenoid valve, heating threeway and cooling threeway, the described heat pipe that adds is connected with the water inlet pipe of described carbamide injection unit and described water break solenoid valve by heating threeway, the outlet pipe of described water break solenoid valve is connected with the water inlet pipe of described urea tank, and described cooling tube is connected with the return pipe of described carbamide injection unit and described urea tank by cooling down threeway；
Also have: pipe clamp, add heat pipe and described cooling tube connects side by side through described pipe clamp by described；O type dual-pipe clamp, adds heat pipe or described cooling tube is fixedly connected in the air inlet pipe of electromotor through described O type dual-pipe clamp by described；Clip, carries out extending and connecting by described heat pipe or the described cooling tube of adding through described clip in respective length；And sheath, described sheath be coated on described in add heat pipe or the outer surface of described cooling tube, described clip is worm gear clamping hoop, and described sheath is spiral winded type sheath.
2. heating-cooling coil structure as claimed in claim 1, it is characterised in that: also having water break solenoid valve support, described water break solenoid valve is fixedly linked by bolt and described water break solenoid valve support.
3. heating-cooling coil structure as claimed in claim 1, it is characterised in that: described in add heat pipe or described cooling tube and be connected with described carbamide injection unit through fast patch plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090552.6A CN103835789B (en) | 2014-03-12 | 2014-03-12 | A kind of light bus SCR heating-cooling coil structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090552.6A CN103835789B (en) | 2014-03-12 | 2014-03-12 | A kind of light bus SCR heating-cooling coil structure |
Publications (2)
| Publication Number | Publication Date |
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| CN103835789A CN103835789A (en) | 2014-06-04 |
| CN103835789B true CN103835789B (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410090552.6A Active CN103835789B (en) | 2014-03-12 | 2014-03-12 | A kind of light bus SCR heating-cooling coil structure |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203267771U (en) * | 2013-01-17 | 2013-11-06 | 奇瑞汽车股份有限公司 | Air inlet pipe assembly and automobile air inlet system using same |
| CN203383883U (en) * | 2013-08-13 | 2014-01-08 | 安徽江淮汽车股份有限公司 | Pipeline system of selective catalytic reduction postprocessor |
| CN203717085U (en) * | 2014-03-12 | 2014-07-16 | 安徽江淮汽车股份有限公司 | SCR heating and cooling pipe structure of light bus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4656039B2 (en) * | 2006-10-19 | 2011-03-23 | 株式会社デンソー | Engine exhaust purification system |
| JP2009097479A (en) * | 2007-10-19 | 2009-05-07 | Bosch Corp | Device and method for controlling reducing agent supplying device |
| US8931259B2 (en) * | 2011-09-02 | 2015-01-13 | Mi Yan | Reductant delivery apparatus with purging means |
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2014
- 2014-03-12 CN CN201410090552.6A patent/CN103835789B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203267771U (en) * | 2013-01-17 | 2013-11-06 | 奇瑞汽车股份有限公司 | Air inlet pipe assembly and automobile air inlet system using same |
| CN203383883U (en) * | 2013-08-13 | 2014-01-08 | 安徽江淮汽车股份有限公司 | Pipeline system of selective catalytic reduction postprocessor |
| CN203717085U (en) * | 2014-03-12 | 2014-07-16 | 安徽江淮汽车股份有限公司 | SCR heating and cooling pipe structure of light bus |
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| Publication number | Publication date |
|---|---|
| CN103835789A (en) | 2014-06-04 |
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Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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| CP02 | Change in the address of a patent holder |
Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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