CN103675215B - A kind of detection simulation system of oxygen sensor used in vehicle - Google Patents
A kind of detection simulation system of oxygen sensor used in vehicle Download PDFInfo
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- CN103675215B CN103675215B CN201310722241.2A CN201310722241A CN103675215B CN 103675215 B CN103675215 B CN 103675215B CN 201310722241 A CN201310722241 A CN 201310722241A CN 103675215 B CN103675215 B CN 103675215B
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Abstract
The invention discloses a kind of detection simulation system of oxygen sensor used in vehicle, comprise to the combustion gas mixing proportional control apparatus of oil mass under the various state of exerting oneself of simulated automotive engine, and the detection burner of simulated engine discharge environment; Any regulable control of combustion gas mixing proportional control apparatus enters and detects the air of burner and the ratio of rock gas, and the size of gas quantity, detects the installation site that burner provides detected lambda sensor; Detection simulation system is also included in detecting burner igniting when system starts, and the automatic ignition cutting off gas supply in testing process during accident extinguishing in time controls and flame-out protection device.Combustion gas mixing proportional control apparatus in the detection simulation system of this kind of oxygen sensor used in vehicle can enter sky (air) combustion (natural gas) ratio and gas quantity that detect burner by regulable control arbitrarily, give oil mass under the various state of exerting oneself of simulated automotive engine, thus lambda sensor effectively to be detected.
Description
Technical field
The present invention relates to automobile manufacturing field, especially relate to a kind of emulation for automotive exhaust system lambda sensor product and detect.
Background technology
Society is more and more higher to the environmental requirement of automobile product now, and automotive exhaust system installs lambda sensor moment detection engine exhaust emission additional; The signal dynamics adjustment engine operating condition provided according to lambda sensor has been the parts that must fill.But in view of the emission behaviour when detecting during necessary simulated engine real work, therefore, the detection of lambda sensor product is more difficult, cannot effectively detect lambda sensor.
Summary of the invention
Technical matters to be solved by this invention is the detection simulation system providing a kind of oxygen sensor used in vehicle for problems of the prior art, its objective is by the simulation to motor vehicle emission operating mode, effectively detects lambda sensor.
Technical scheme of the present invention is that the detection simulation system of this kind of oxygen sensor used in vehicle comprises to the combustion gas mixing proportional control apparatus of oil mass under the various state of exerting oneself of simulated automotive engine, and the detection burner of simulated engine discharge environment; Described any regulable control of combustion gas mixing proportional control apparatus enters and detects the air of burner and the ratio of rock gas, and the size of gas quantity, and described detection burner provides the installation site of detected lambda sensor; Described detection simulation system is also included in detecting burner igniting when system starts, and the automatic ignition cutting off gas supply in testing process during accident extinguishing in time controls and flame-out protection device.
Described combustion gas mixing proportional control apparatus comprises the natural gas transport pipeline and air delivery pipe that tail end merges together, and mixed gas enters detection burner through air fuel gas mixer, burning overhead control valve successively; Described natural gas transport pipeline comprises the fine gas pressure regulator be connected on successively on natural gas line, combustion gas master control valve, burnt gas switch solenoid valve, accurate oil-poor variable valve and combustion gas suspended body flowmeter, enters air mixture pipeline from the rock gas in liquefied natural gas storage tank through gas delivering pipe road; Described air delivery pipe comprises the fine air pressure regulator be connected on successively on air duct, air master control valve, fine air variable valve, air suspended body flowmeter and air switching sol, and air enters air mixture pipeline through air delivery pipe.
Described detection burner comprises the double-decker be made up of pipe in burner outer tube and burner; one end that described detection burner is connected with combustion gas mixing proportional control apparatus is provided with gas spray head and high-tension ignition pin; also be provided with fine tune temperature air outlet and provide the blowout protection pin of misfire signals, in described burner, pipe is provided with lambda sensor mount pad.
Described burning overhead control valve place is also parallel with debugging bypass valve.
Pipeline between described combustion gas master control valve and burnt gas switch solenoid valve is provided with gas pressure table, and manometric pressure limit is 0-100KPa.
Pipeline between described fine air pressure regulator and air master control valve is provided with air manometer, and the pressure limit of air manometer is 0-680KPa.
The detection simulation system with this kind of oxygen sensor used in vehicle of said structure has the following advantages:
1. the combustion gas mixing proportional control apparatus in the detection simulation system of this kind of oxygen sensor used in vehicle can arbitrarily regulable control enter the sky (air) combustion (natural gas) that detects burner than and gas quantity, under the various state of exerting oneself of simulated automotive engine give oil mass, simulate the oil-poor of engine, rich; Detect burner and simulate engine discharge environment, the installation site of examined lambda sensor is provided, provide the temperature sensor installation site of each lambda sensor mounting points, special burner structure provides the temperature precise fine-adjustment of lambda sensor point, thus effectively detects lambda sensor.
2. the automatic ignition in the detection simulation system of this kind of oxygen sensor used in vehicle controls and flame-out protection device major control is lighted a fire to burner when system starts; and accident extinguishing can cut off gas supply in time in testing process, guarantee the safety of whole detection system.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of combustion gas mixing proportional control apparatus in the present invention.
Fig. 3 is the structural representation detecting burner in the present invention.
Fig. 4 is the schematic diagram in the direction of structure A-A shown in Fig. 3.
Fig. 5 is the close-up schematic view of structure shown in Fig. 4.
The schematic diagram in the B-B direction that Fig. 6 is structure shown in Fig. 3.
The schematic diagram in the C-C direction that Fig. 7 is structure shown in Fig. 3.
In figures 1-7,1: fine gas pressure regulator; 2: fine air pressure regulator; 3: combustion gas master control valve; 4: air master control valve; 5: burnt gas switch solenoid valve; 6: air switching sol; 7: accurate oil-poor variable valve; 8: combustion gas suspended body flowmeter; 9: fine air variable valve; 10: air suspended body flowmeter; 11: air fuel gas mixer; 12: burning overhead control valve; 13: debugging bypass valve; 14: detect burner; 15: burner outer tube; 16: pipe in burner; 17: gas spray head; 18: high-tension ignition pin; 19: fine tune temperature air outlet; 20: blowout protection pin; 21: lambda sensor mount pad; 22: detected lambda sensor; 23: temperature sensor.
Embodiment
Fig. 1 is the structural representation of the detection simulation system of oxygen sensor used in vehicle of the present invention, and Fig. 2 is the structural representation of combustion gas mixing proportional control apparatus in the present invention, and Fig. 3 is the structural representation detecting burner in the present invention, and Fig. 4-Fig. 7 is partial structurtes schematic diagram.Combined from structure shown in Fig. 1-Fig. 7, the detection simulation system of this kind of oxygen sensor used in vehicle comprises to the combustion gas mixing proportional control apparatus of oil mass under the various state of exerting oneself of simulated automotive engine, and the detection burner of simulated engine discharge environment; Any regulable control of combustion gas mixing proportional control apparatus enters and detects the air of burner and the ratio of rock gas, and the size of gas quantity, detects the installation site that burner provides detected lambda sensor; Described detection simulation system is also included in detecting burner igniting when system starts, and the automatic ignition cutting off gas supply in testing process during accident extinguishing in time controls and flame-out protection device.
Wherein, combustion gas mixing proportional control apparatus comprises the natural gas transport pipeline and air delivery pipe that tail end merges together, and mixed gas enters detect burner 14 through air fuel gas mixer 11, burning overhead control valve 12 successively; Described natural gas transport pipeline comprises the fine gas pressure regulator 1 be connected on successively on natural gas line, combustion gas master control valve 3, burnt gas switch solenoid valve 5, accurate oil-poor variable valve 7 and combustion gas suspended body flowmeter 8, enters air mixture pipeline from the rock gas in liquefied natural gas storage tank through gas delivering pipe road; Described air delivery pipe comprises the fine air pressure regulator 2 be connected on successively on air duct, air master control valve 4, fine air variable valve 9, air suspended body flowmeter 10 and air switching sol 6, and air enters air mixture pipeline through air delivery pipe; Described burning overhead control valve 12 place is also parallel with debugging bypass valve 13.Pipeline between described combustion gas master control valve 3 and burnt gas switch solenoid valve 5 is provided with gas pressure table, and manometric pressure limit is 0-100KPa.Pipeline between described fine air pressure regulator 2 and air master control valve 4 is provided with air manometer, and the pressure limit of air manometer is 0-680KPa.
As follows about the effect in the entire system of above-mentioned each parts:
Fine gas pressure regulator 1---the rock gas of pressure stability is provided to system.
Fine air pressure regulator 2---the air of pressure stability is provided to system.
Combustion gas master control valve 3---the master switch of fuel gas pipeline.
Air master control valve 4---the master switch of air pipe line.
Burnt gas switch solenoid valve 5---natural gas switch when automatically controlling for system.
Air switching sol 6---air switch when automatically controlling for system.
Accurate oil-poor variable valve 7---adjustment System simulated combustion that can be accurate when system works is in engine lean state.
Combustion gas suspended body flowmeter 8---the flow of display combustion gas, provides the foundation that combustion gas regulates.
Fine air variable valve 9---coordinate fine air variable valve when system works; Accurate adjustment System simulated combustion is in engine lean state.
Air suspended body flowmeter 10---the flow of display air, provides the foundation of artificial atmosphere.
Air fuel gas mixer 11---air is different with combustion gas proportion, is fully mixed by two kinds of gases, stablized spray combustion before entering burner.
Burning overhead control valve 12---burnt gas switch when automatically controlling for system and blowout protection control.
Debugging bypass valve 13---for system debug.
Detect burner 14 and comprise the double-decker be made up of pipe 16 in burner outer tube 15 and burner; one end that described detection burner is connected with combustion gas mixing proportional control apparatus is provided with gas spray head 17 and high-tension ignition pin 18; also be provided with fine tune temperature air outlet 19 and provide the blowout protection pin 20 of misfire signals, in described burner, pipe 16 is provided with lambda sensor mount pad 21.
Detect burner 14 and adopt special double-decker, adopt stainless steel manufacture.Detect under gas ignition spray combustion, temperature and lambda sensor clamping are placed on identical platform by burner 14 and solve, real simulation engine operating condition.
In burner outer tube 15 and burner, pipe 16 forms burner interlayer jointly, under the Cold air mass influence that fine tune temperature air inlet is compressed into, regulates the temperature of certain lambda sensor check point.Also be the structural strengthening cover of burner simultaneously.
In burner, pipe 16 is as the cavity of air mixture spray combustion, is also detected lambda sensor 22 and the installation main body of temperature sensor 23.
Spray combustion place of gas spray head 17---air mixture.
High-tension ignition pin 18---produce effluve, light air mixture.
Fine tune temperature air outlet 19---the cold wind compressed into by fine tune temperature air inlet is discharged thus.
Blowout protection pin 20---provide misfire signals to system when detecting burning accident extinguishing.
Lambda sensor mount pad 21---to be arranged in burner on pipe 16, in aggregates with pipe in burner 16, be detected lambda sensor 22 for clamping, this detection burner 14 has 9 lambda sensor mount pads 21, and the sensor that can form 9 different temperatures gradients detects position.
Combustion gas mixing proportional control apparatus in the detection simulation system of this kind of oxygen sensor used in vehicle can enter sky (air) combustion (natural gas) ratio and gas quantity that detect burner by regulable control arbitrarily, under the various state of exerting oneself of simulated automotive engine give oil mass, simulate the oil-poor of engine, rich; Detect burner and simulate engine discharge environment, the installation site of examined lambda sensor is provided, provide the temperature sensor installation site of each lambda sensor mounting points, special burner structure provides the temperature precise fine-adjustment of lambda sensor point, thus effectively detects lambda sensor.Meanwhile, automatic ignition controls and flame-out protection device major control is lighted a fire to burner when system starts, and in testing process, accident extinguishing can cut off gas supply in time, guarantees the safety of whole detection system.
Claims (3)
1. the detection simulation system of an oxygen sensor used in vehicle, it is characterized in that: described detection simulation system comprises to the combustion gas mixing proportional control apparatus of oil mass under the various state of exerting oneself of simulated automotive engine, and the detection burner of simulated engine discharge environment; Described any regulable control of combustion gas mixing proportional control apparatus enters and detects the air of burner and the ratio of rock gas, and the size of gas quantity, and described detection burner provides the installation site of detected lambda sensor; Described detection simulation system is also included in detecting burner igniting when system starts, and the automatic ignition cutting off gas supply in testing process during accident extinguishing in time controls and flame-out protection device; Described combustion gas mixing proportional control apparatus comprises the natural gas transport pipeline and air delivery pipe that tail end merges together, and mixed gas enters detect burner (14) through air fuel gas mixer (11), burning overhead control valve (12) successively; Described natural gas transport pipeline comprises the fine gas pressure regulator (1) be connected on successively on natural gas line, combustion gas master control valve (3), burnt gas switch solenoid valve (5), accurate oil-poor variable valve (7) and combustion gas suspended body flowmeter (8), enters air mixture pipeline from the rock gas in liquefied natural gas storage tank through gas delivering pipe road; Described air delivery pipe comprises the fine air pressure regulator (2) be connected on successively on air duct, air master control valve (4), fine air variable valve (9), air suspended body flowmeter (10) and air switching sol (6), and air enters air mixture pipeline through air delivery pipe; Described detection burner comprises the double-decker be made up of pipe (16) in burner outer tube (15) and burner, one end that described detection burner is connected with combustion gas mixing proportional control apparatus is provided with gas spray head (17) and high-tension ignition pin (18), also be provided with fine tune temperature air outlet (19) and provide the blowout protection pin (20) of misfire signals, in described burner, pipe (16) is provided with lambda sensor mount pad (21); Described burning overhead control valve (12) place is also parallel with debugging bypass valve (13); The pipeline be positioned between described combustion gas master control valve (3) and burnt gas switch solenoid valve (5) is provided with gas pressure table.
2. the detection simulation system of a kind of oxygen sensor used in vehicle according to claim 1, it is characterized in that: the pipeline be positioned between described combustion gas master control valve (3) and burnt gas switch solenoid valve (5) is provided with gas pressure table, and manometric pressure limit is 0-100KPa.
3. the detection simulation system of a kind of oxygen sensor used in vehicle according to claim 2, it is characterized in that: the pipeline be positioned between described fine air pressure regulator (2) and air master control valve (4) is provided with air manometer, and the pressure limit of air manometer is 0-680KPa.
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| CN201310722241.2A CN103675215B (en) | 2013-12-24 | 2013-12-24 | A kind of detection simulation system of oxygen sensor used in vehicle |
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| CN201310722241.2A CN103675215B (en) | 2013-12-24 | 2013-12-24 | A kind of detection simulation system of oxygen sensor used in vehicle |
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| CN103675215A CN103675215A (en) | 2014-03-26 |
| CN103675215B true CN103675215B (en) | 2016-01-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983738B (en) * | 2014-05-17 | 2015-12-09 | 中国科学技术大学 | A kind of burner for the soot characteristic research under environment under low pressure |
| CN104533641A (en) * | 2014-12-25 | 2015-04-22 | 贵州大学 | Rapid diagnosis device for automotive diesel oil and natural gas co-combustion control system |
| CN108825409B (en) * | 2018-05-04 | 2020-09-08 | 广州柴油机厂股份有限公司 | Fuel supply system of gas engine |
| CN109270151A (en) * | 2018-11-01 | 2019-01-25 | 上海烁范自动化设备有限公司 | Lambda sensor test macro and method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959399A (en) * | 2005-11-01 | 2007-05-09 | 比亚迪股份有限公司 | System for testing performance of oxygen sensor in use for car |
| CN201196631Y (en) * | 2008-05-21 | 2009-02-18 | 宁波大学 | Performance measurement system for air/fuel ratio oxygen sensor |
| CN201196415Y (en) * | 2008-04-24 | 2009-02-18 | 石家庄得宝机械制造有限公司 | Novel high-speed combustor |
| CN101532915A (en) * | 2009-04-15 | 2009-09-16 | 北京北内创意电控发动机有限责任公司 | Calibration method of vehicle exhaust emission and vehicle-mounted self-diagnosis system |
| CN101749728A (en) * | 2008-12-19 | 2010-06-23 | J.埃贝斯佩歇合资公司 | Vehicle combustor |
| CN102213705A (en) * | 2010-04-01 | 2011-10-12 | 上海航天汽车机电股份有限公司 | Oxygen sensor performance test device for simulating working condition of automobile |
| CN202443329U (en) * | 2012-01-17 | 2012-09-19 | 成都欧韦尔技术设备有限公司 | Integrated detector for vehicle combustion gas electric control system |
| CN102928471A (en) * | 2012-06-27 | 2013-02-13 | 苏州工业园区职业技术学院 | Oxygen sensor performance testing device and method |
| JP2013164383A (en) * | 2012-02-13 | 2013-08-22 | Ngk Spark Plug Co Ltd | Sensor simulator |
| CN203929731U (en) * | 2013-12-24 | 2014-11-05 | 安徽省芜湖仪器仪表研究有限责任公司 | A kind of detection simulation system of oxygen sensor used in vehicle |
-
2013
- 2013-12-24 CN CN201310722241.2A patent/CN103675215B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959399A (en) * | 2005-11-01 | 2007-05-09 | 比亚迪股份有限公司 | System for testing performance of oxygen sensor in use for car |
| CN201196415Y (en) * | 2008-04-24 | 2009-02-18 | 石家庄得宝机械制造有限公司 | Novel high-speed combustor |
| CN201196631Y (en) * | 2008-05-21 | 2009-02-18 | 宁波大学 | Performance measurement system for air/fuel ratio oxygen sensor |
| CN101749728A (en) * | 2008-12-19 | 2010-06-23 | J.埃贝斯佩歇合资公司 | Vehicle combustor |
| CN101532915A (en) * | 2009-04-15 | 2009-09-16 | 北京北内创意电控发动机有限责任公司 | Calibration method of vehicle exhaust emission and vehicle-mounted self-diagnosis system |
| CN102213705A (en) * | 2010-04-01 | 2011-10-12 | 上海航天汽车机电股份有限公司 | Oxygen sensor performance test device for simulating working condition of automobile |
| CN202443329U (en) * | 2012-01-17 | 2012-09-19 | 成都欧韦尔技术设备有限公司 | Integrated detector for vehicle combustion gas electric control system |
| JP2013164383A (en) * | 2012-02-13 | 2013-08-22 | Ngk Spark Plug Co Ltd | Sensor simulator |
| CN102928471A (en) * | 2012-06-27 | 2013-02-13 | 苏州工业园区职业技术学院 | Oxygen sensor performance testing device and method |
| CN203929731U (en) * | 2013-12-24 | 2014-11-05 | 安徽省芜湖仪器仪表研究有限责任公司 | A kind of detection simulation system of oxygen sensor used in vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 氧传感器的检测与常见故障分析;林祥辉等;《机械工程师》;20110430(第4期);全文 * |
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Effective date of registration: 20191106 Address after: 241000 Anhui Province, Wuhu city Yijiang District Wenjin Road No. 201 Patentee after: Wuhu Institute of Technology Address before: 241000 No. 63 worker peasant Road, Jinghu District, Anhui, Wuhu Patentee before: ANHUI WUHU INSTRUMENT AND METER RESEARCH CO., LTD. |
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Effective date of registration: 20201016 Address after: No.88 Pingwu Road, WuJie Town, Tongzhou District, Nantong City, Jiangsu Province 226300 Patentee after: Nantong Meilai Industrial Intelligent Technology Co., Ltd Address before: 241000 Anhui Province, Wuhu city Yijiang District Wenjin Road No. 201 Patentee before: WUHU INSTITUTE OF TECHNOLOGY |