CN101334163B - Combustion apparatus for EGR valve test - Google Patents
Combustion apparatus for EGR valve test Download PDFInfo
- Publication number
- CN101334163B CN101334163B CN2008100633013A CN200810063301A CN101334163B CN 101334163 B CN101334163 B CN 101334163B CN 2008100633013 A CN2008100633013 A CN 2008100633013A CN 200810063301 A CN200810063301 A CN 200810063301A CN 101334163 B CN101334163 B CN 101334163B
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- Prior art keywords
- air
- air inlet
- throttle valve
- shell
- test
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 title claims description 21
- 239000000446 fuel Substances 0.000 claims abstract description 25
- 239000002828 fuel tank Substances 0.000 claims description 7
- 239000003921 oil Substances 0.000 abstract description 14
- 239000000295 fuel oil Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 239000002912 waste gas Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000012491 analyte Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009275 open burning Methods 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention discloses a combusting device used for an EGR valve test, which comprises a blower fan, an air cleaner, a first throttle valve, a second throttle valve, a combustor, an oil box, an oil pump, a fuel oil filter, an igniter, a first air inlet, a fuel oil spraying nozzle, a sparking plug and a second air inlet, wherein, the blower fan is respectively connected with the first throttle valve and the second throttle valve through the air cleaner, the first throttle valve is connected with the first air inlet of the combustor, the second throttle valve is mutually connected with the second air inlet of the combustor, the oil box is connected with the oil pump, the fuel oil filter and the fuel oil spraying nozzle in sequence, and the igniter is connected with the sparking plug. The combusting device can heat the inlet air by adopting a combusting and heat emitting method, to cause the oil and the air to be sufficiently mixed; both the air flow quantity and the air fuel ratio can be dynamically adjusted, and the purpose that the gas exhausting component and the gas exhausting temperature of the combusting motor are simultaneously simulated is achieved, thus the test conclusion is more reliable; the test of the EGR valve is ensured to be free from the bondage of the combusting motor, the test items are richer, and the test scope is broader.
Description
Technical field
The present invention relates to be used for the waste gas generation device of EGR valve test, relate in particular to a kind of burner of the EGR of being used for valve test.
Background technology
In view of reasons such as energy savings and protection environment; strict day by day at the Abgasgesetz of different kinds of roads vehicle and off roader both at home and abroad, the EGR technology is owing to can effectively suppressing the extensive favor that NOx composition in the engine exhaust thing is subjected to main engine plants and car load factory.The EGR valve is the executing agency of this technology most critical, and the waste gas generation device is the vitals of EGR valve test.
At home, the EGR technology is started late, and the correlation test device of EGR valve test mainly depends on the engine testing stand, and for breaking away from the constraint of internal combustion engine, the special-purpose EGR valve testing stand of development just must design the waste gas generation device that a cover is specifically designed to the EGR valve test.
In the EGR valve test, for exhaust gas composition and the delivery temperature of simulating internal combustion engine, the test condition that makes the EGR valve is more reliable near its actual environment for use, test result more, can provide temperature and composition all near the waste gas of engine exhaust thing with regard to its waste gas generation device of inevitable requirement, and conventional burner mostly is open burning, mainly utilize its burning heat release to come heatable substance, ignition temperature only can coarse adjustment, exhaust gas composition is unadjustable, this obviously can not satisfy the requirement of EGR valve test, therefore needs design to be specifically designed to the burner of EGR valve test.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of burner of the EGR of being used for valve test is provided.
The burner that is used for the EGR valve test comprises blower fan, air filter, first throttle valve, second choke valve, burner, fuel tank, oil pump, fuel filter, igniter, first air inlet, fuel nozzle, spark plug, second air inlet, blower fan is connected with second choke valve with the first throttle valve respectively by air filter, the first throttle valve is connected with first air inlet of burner, second choke valve is connected with second air inlet of burner, fuel tank is connected with oil pump, fuel filter, fuel nozzle successively, and igniter is connected with spark plug.
Burner comprises first air inlet, shell, fuel nozzle, spark plug, second air inlet, temperature sensor, lambda sensor, exhaust outlet, baffle plate, Heat Room, deflector, chamber wall, combustion chamber, air nozzle; Shell one end is provided with the first air inlet shell other end and is provided with exhaust outlet, be provided with air nozzle between the shell and first air inlet, be provided with baffle plate between shell and the exhaust outlet, shell is provided with second air inlet, fuel nozzle, spark plug, exhaust outlet is provided with temperature sensor, lambda sensor, is provided with chamber wall in the shell, is provided with deflector between chamber wall outer wall and the outer casing inner wall, shell, deflector and chamber wall form Heat Room, and chamber wall inside is the combustion chamber.
The beneficial effect that the present invention compared with prior art has:
1) second choke valve of leading up in the two-way cold air that provided by blower fan of the present invention enters in the Heat Room from second air inlet, flows in the combustion chamber along deflector, and cold air is heated in this process; Another road cold air then enters combustion chamber from first air inlet through air nozzle by the first throttle valve, air nozzle is the ladder tubulose and end is furnished with three circle fumaroles, the inlet end of chamber wall is trumpet type and with air nozzle certain interval is arranged, cold and hot two-way air is realized mixing herein, thereby make full use of the burning heat release and come heating air inlet, make it fully to mix, help burning with fuel oil;
2) signal of the delivery temperature of burner of the present invention and exhaust gas composition is by being arranged in lambda sensor on the exhaust outlet and temperature sensor collection and being transferred to host computer by the A/D module, host computer can be regulated the first throttle valve by the D/A module according to user's setting after the signal of analyte sensors, second choke valve and oil pump, carry out the dynamic adjustments of two-way air mass flow and air-fuel ratio, reached and simulated the exhaust gas composition of internal combustion engine and the purpose of delivery temperature simultaneously, the test condition that makes the EGR valve helps improving the confidence level of test result more near its actual environment for use;
3) the invention provides more flexible and changeable capacity, delivery temperature and exhaust gas composition, broken away from the constraint of internal combustion engine, make that the test event of EGR valve is abundanter, test specification is broad more.
Description of drawings
Fig. 1 is the structural representation that is used for the burner of EGR valve test;
Fig. 2 is the control block diagram that is used for the burner of EGR valve test;
Fig. 3 (a) is the front view of burner installation diagram;
Fig. 3 (b) is the vertical view of burner installation diagram;
Fig. 4 is the three-dimensional cutaway view of burner.
Among the figure: blower fan 1, air filter 2, first throttle valve 3, second choke valve 4, burner 5, fuel tank 6, oil pump 7, fuel filter 8, igniter 9, first air inlet 10, shell 11, fuel nozzle 12, spark plug 13, the second air inlets 14, temperature sensor 15, lambda sensor 16, exhaust outlet 17, baffle plate 18, Heat Room 19, deflector 20, chamber wall 21, combustion chamber 22, air nozzle 23.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail, but not as a limitation of the invention.
As shown in Figure 1, the burner that is used for the EGR valve test comprises blower fan 1, air filter 2, first throttle valve 3, second choke valve 4, burner 5, fuel tank 6, oil pump 7, fuel filter 8, igniter 9, first air inlet 10, fuel nozzle 12, spark plug 13, second air inlet 14, blower fan 1 is connected with second choke valve 4 with first throttle valve 3 respectively by air filter 2, first throttle valve 3 is connected with first air inlet 10 of burner, second choke valve 4 is connected with second air inlet 14 of burner, fuel tank 6 successively with oil pump 7, fuel filter 8, fuel nozzle 12 is connected, and igniter 9 is connected with spark plug 13.
As shown in Figure 2, the annexation of burner control circuit is as follows: temperature sensor 15 is connected with the A/D module respectively with lambda sensor 16, first throttle valve 3, second choke valve 4 and oil pump 7 are connected with the D/A module respectively, fuel nozzle 12 is connected with the DIO interface respectively with igniter 9, and A/D module, D/A module, DIO interface are connected with host computer respectively.
Shown in Fig. 3,4, burner 5 comprises first air inlet 10, shell 11, fuel nozzle 12, spark plug 13, second air inlet 14, temperature sensor 15, lambda sensor 16, exhaust outlet 17, baffle plate 18, Heat Room 19, deflector 20, chamber wall 21, combustion chamber 22, air nozzle 23; Shell 11 1 ends are provided with first air inlet, 10 other ends and are provided with exhaust outlet 17, be provided with air nozzle 23 between the shell 11 and first air inlet 10, be provided with baffle plate 18 between shell 11 and the exhaust outlet 17, shell 11 is provided with second air inlet 14, fuel nozzle 12, spark plug 13, exhaust outlet 17 is provided with temperature sensor 15, lambda sensor 16, be provided with chamber wall 21 in the shell, be provided with deflector 20 between chamber wall 21 outer walls and shell 11 inwalls, shell 11, deflector 20 and chamber wall 21 form Heat Room 19, and chamber wall 21 inside are combustion chamber 22.
When the present invention starts working, need close second choke valve 4, start blower fan 1, oil pump 7 and fuel nozzle 12, in combustion chamber 22, form rich mixture, light a fire with igniter 9, treat to open second choke valve 4 and the regulatory process after lambda sensor 16 has signal output.
During steady operation of the present invention, second choke valve 4 of leading up in the two-way cold air that is provided by blower fan 1 enters in the Heat Room 19 from second air inlet 14, flows in the combustion chambers 22 along deflector 20, and cold air is heated in this process; Another road cold air then enters in the combustion chamber 22 through air nozzle 23 from first air inlet 10 by first throttle valve 3, air nozzle 23 is the ladder tubulose and end is furnished with three circle fumaroles, the inlet end of chamber wall 21 is trumpet type and with air nozzle 23 certain interval is arranged, cold and hot two-way air is realized mixing herein, and form combustion mixture with the fuel oil of fuel nozzle 12 ejection, smooth combustion in combustion chamber 22 produces the required waste gas of EGR valve test.
Among the present invention, the delivery temperature of burner 5 and the signal of exhaust gas composition are gathered and are transferred to host computer by the A/D module by being arranged in temperature sensor 15 on the exhaust outlet 17 and lambda sensor 16, host computer is regulated first throttle valve 3, second choke valve 4 and oil pump 7 according to user's setting by the D/A module after the signal of analyte sensors, carry out the dynamic adjustments of two-way air mass flow and air-fuel ratio, reached and simulated the exhaust gas composition of internal combustion engine and the purpose of delivery temperature simultaneously.
Claims (1)
1. burner that is used for the EGR valve test, it is characterized in that comprising blower fan (1), air filter (2), first throttle valve (3), second choke valve (4), burner (5), fuel tank (6), oil pump (7), fuel filter (8), igniter (9), burner (5) comprises first air inlet (10), shell (11), fuel nozzle (12), spark plug (13), second air inlet (14), temperature sensor (15), lambda sensor (16), exhaust outlet (17), baffle plate (18), Heat Room (19), deflector (20), chamber wall (21), combustion chamber (22), air nozzle (23), blower fan (1) is connected with second choke valve (4) with first throttle valve (3) respectively by air filter (2), first throttle valve (3) is connected with first air inlet (10) of burner, second choke valve (4) is connected with second air inlet (14) of burner, fuel tank (6) successively with oil pump (7), fuel filter (8), fuel nozzle (12) is connected, igniter (9) is connected with spark plug (13), shell (11) one ends are provided with first air inlet (10), shell (11) other end is provided with exhaust outlet (17), be provided with air nozzle (23) between shell (11) and first air inlet (10), be provided with baffle plate (18) between shell (11) and the exhaust outlet (17), shell (11) is provided with second air inlet (14), fuel nozzle (12), spark plug (13), exhaust outlet (17) is provided with temperature sensor (15), lambda sensor (16), be provided with chamber wall (21) in the shell, be provided with deflector (20) between chamber wall (21) outer wall and shell (11) inwall, shell (11), deflector (20) and chamber wall (21) form Heat Room (19), and chamber wall (21) inside is combustion chamber (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100633013A CN101334163B (en) | 2008-08-01 | 2008-08-01 | Combustion apparatus for EGR valve test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100633013A CN101334163B (en) | 2008-08-01 | 2008-08-01 | Combustion apparatus for EGR valve test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101334163A CN101334163A (en) | 2008-12-31 |
| CN101334163B true CN101334163B (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100633013A Expired - Fee Related CN101334163B (en) | 2008-08-01 | 2008-08-01 | Combustion apparatus for EGR valve test |
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| Country | Link |
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| CN (1) | CN101334163B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718628B (en) * | 2009-11-26 | 2011-12-28 | 浙江大学 | Air intake management and test system for internal combustion engine |
| CN106596115B (en) * | 2017-01-17 | 2018-10-26 | 同济大学 | A kind of engine EGR fluid simulation testing stand |
| CN108731930A (en) * | 2018-06-05 | 2018-11-02 | 宜宾天瑞达汽车零部件有限公司 | EGR valve high-temperature gas circulation experimental provision, experimental system and experimental method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4054028A (en) * | 1974-09-06 | 1977-10-18 | Mitsubishi Jukogyo Kabushiki Kaisha | Fuel combustion apparatus |
| CN2230359Y (en) * | 1995-07-24 | 1996-07-03 | 林荣枝 | Multi-duct air-inlet controlling device |
| JP2000205554A (en) * | 1999-01-13 | 2000-07-25 | Denso Corp | Spray combustor |
| CN2463692Y (en) * | 2001-02-15 | 2001-12-05 | 肖芳 | Eenrgy-saving efficient burner |
| JP2002206737A (en) * | 2001-01-11 | 2002-07-26 | Sunray Reinetsu Co Ltd | Device and method for generating hot air |
| CN2551775Y (en) * | 2002-06-06 | 2003-05-21 | 秦松祥 | IC engine using pure oxygen to support combustion |
| CN201273562Y (en) * | 2008-08-01 | 2009-07-15 | 浙江大学 | Combustion device used for EGR valve test |
-
2008
- 2008-08-01 CN CN2008100633013A patent/CN101334163B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4054028A (en) * | 1974-09-06 | 1977-10-18 | Mitsubishi Jukogyo Kabushiki Kaisha | Fuel combustion apparatus |
| CN2230359Y (en) * | 1995-07-24 | 1996-07-03 | 林荣枝 | Multi-duct air-inlet controlling device |
| JP2000205554A (en) * | 1999-01-13 | 2000-07-25 | Denso Corp | Spray combustor |
| JP2002206737A (en) * | 2001-01-11 | 2002-07-26 | Sunray Reinetsu Co Ltd | Device and method for generating hot air |
| CN2463692Y (en) * | 2001-02-15 | 2001-12-05 | 肖芳 | Eenrgy-saving efficient burner |
| CN2551775Y (en) * | 2002-06-06 | 2003-05-21 | 秦松祥 | IC engine using pure oxygen to support combustion |
| CN201273562Y (en) * | 2008-08-01 | 2009-07-15 | 浙江大学 | Combustion device used for EGR valve test |
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| Publication number | Publication date |
|---|---|
| CN101334163A (en) | 2008-12-31 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20100602 Termination date: 20110801 |