CN103091106B - Motor vehicle exhaust arc arrester test device - Google Patents
Motor vehicle exhaust arc arrester test device Download PDFInfo
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- CN103091106B CN103091106B CN201110347852.4A CN201110347852A CN103091106B CN 103091106 B CN103091106 B CN 103091106B CN 201110347852 A CN201110347852 A CN 201110347852A CN 103091106 B CN103091106 B CN 103091106B
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- charcoal
- carbon granule
- activated carbon
- orifice plate
- testing apparatus
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Abstract
The invention discloses a motor vehicle exhaust arc arrester test device which comprises a fan, a delivery pipe, an exhaust pipe silencer, intelligent flow totalizers, orifice plate flowmeters, a differential pressure gauge, a coal supply mechanism and an active carbon granule colleting device. The motor vehicle exhaust arc arrester test device is characterized in that two delivery pipelines are arranged between the exhaust pipe silencer and the active carbon granule colleting device, the orifice plate flowmeters and the intelligent flow totalizers are arranged on the two delivery pipelines, and the coal supply mechanism is adjustable and with a constant speed. The motor vehicle exhaust arc arrester test device has the advantages that the coal supply mechanism with the constant speed is adopted, the orifice plate flowmeters and the intelligent flowmeters are adopted, wherein the orifice plate flowmeters and the intelligent flowmeters are with two sizes, so that accuracy of test results is improved greatly. The motor vehicle exhaust arc arrester test device is simple in structure, high in measuring accuracy, wide in measuring range, stable in measuring and convenient to maintain.
Description
Technical field
The present invention relates to a kind of testing apparatus, relate to the testing apparatus of the arc arrester in a kind of motor vehicle exhaust specifically.
Background technology
The test of existing automobile exhausting spark arrester is according to engine displacement and the rated speed of vehicle and regulates the air mass flow in delivery pipe to carry out testing by variable valve, the air mass flow provided due to the vehicle of different displacements is different, therefore cumbersome when adjustment, detection speed slowly, also affects the accuracy of data processing.
At present because the sale of brougham is mainly the U.S., and the brougham be on sale to America all must meet American National Standard ANSI SVIA-1-2007 " four-wheel all-terrain vehicle (ATV) " requirement.Require that all all-terrain vehicle (ATV) all must install arc arrester in the standard.And require that the performance of arc arrester must meet the standard 5100-1 " requirement about internal combustion engine arc arrester " of american agriculture forest office issue or SAEJ350-1991 " the medium-sized spark arrester for internal-combustion engine test routine " standard-required of american car engineering association issue.The U.S. proposes such requirement to all-terrain vehicle (ATV) suddenly, makes the all-terrain vehicle (ATV) manufacturing enterprise of China rapid not as good as anti-.One is the experience not manufacturing arc arrester, and two is do not verify on the testing equipment (domestic arc arrester is used not at all) of arc arrester.In addition the testing apparatus of the U.S. also has the troublesome problem changing orifice flowmeter, manually calculate air mass flow and easily occur error and supply the charcoal time, for the uppity shortcoming of charcoal speed.
According to our investigation, have an equipment about the testing equipment of arc arrester in Shanghai Fire Research Institute of Ministry of Public Security of China, this arc arrester testing equipment manufactures according at China standard GB 13365-2005.This equipment can not meet the requirement of the standard 5100-1 " requirement about internal combustion engine arc arrester " of american agriculture forest office issue and SAEJ350-1991 " medium-sized spark arrester for internal-combustion engine test routine " two standards of american car engineering association issue.
This project of made in China vehicle can only arrive the U.S. and test.Taking in U.S.'s test single test will Renminbi up to ten thousand; Single test also will spend the time of some months.Also be difficult to where know underproof reason if defective.Therefore, develop a kind of arc arrester testing equipment that can meet american agriculture forest office and require about the ministerial standard 5100-1 of internal combustion engine arc arrester, solve the actual needs of all-terrain vehicle (ATV) enterprise of China arc arrester performance test, break the technology barriers that the U.S. is arranged in all-terrain vehicle (ATV), promote the raising of China's all-terrain vehicle (ATV) technology, promote the outlet of China's all-terrain vehicle (ATV).
Summary of the invention
Object of the present invention is just to provide a kind of automobile exhausting spark arrester testing apparatus, solve that its adjustment is loaded down with trivial details, the problem of the slow and poor accuracy of test speed, provide that a kind of structure is simple, measuring accuracy is high, measurement range is wide, Measurement sensibility, testing apparatus easy to maintenance.
Automobile exhausting spark arrester testing apparatus of the present invention, comprise blower fan, delivery pipe, muffler of gas escape tube, intelligent flow-integrating instrument, orifice plate air flowmeter, differential manometer, confession charcoal mechanism and activated carbon granule gathering-device, it is characterized in that: between described muffler of gas escape tube and activated carbon granule gathering-device, be provided with two conveyance conduits, two conveyance conduits are provided with orifice plate air flowmeter and intelligent flow-integrating instrument; Described is that a kind of adjustable constant-speed is for charcoal device for charcoal mechanism.
Further, described delivery pipe is also provided with differential pressure pickup, pressure transducer, temperature sensor.This structure adopts intelligent flow-integrating instrument computing machine calculated flow rate, with numerical monitor, also can realize data communication, substantially increase test speed.
Further, the orifice plate air mass flow on described two conveyance conduits counts the air flowmeter of small one and large one two kinds of specifications.By using two cover various flows gauge to install in systems in which simultaneously, the motor vehicle of large small displacement can be measured, avoid the trouble changed flowmeter and bring in test process.
Further, described adjustable constant-speed is such for the structure of charcoal mechanism: have cylinder, piston, screw rod, belt and buncher for charcoal organization establishes; Its middle belt pulley coordinates with screw rod, and piston is fixed on screw rod one end, and piston coordinates with cylinder, and cylinder one end and activated carbon granule gathering-device are connected; Buncher drives bolt rotary by belt pulley.This kind of structure adopts mechanical type for charcoal mechanism, and can be achieved the advance of piston by the running speed of fixed electrical machinery, be that it evenly, at regular time and quantity supplies charcoal.
Further, described blower fan is Root's blower.This blower pulsations is little, noise is little, and exhaust is stable does not almost have exhaust gas pulses.This machine is equipped with air cleaner, the air cleaner of output, not containing any oil and dust, ensure that the accuracy of test result.
Further, the bottom of described activated carbon granule gathering-device is provided with leak, and is sealed with gland bonnet.For the ease of the clear carbon granule removed in activated carbon granule gathering-device collecting box,
Further, what described cylinder one end and activated carbon granule gathering-device were connected is export for charcoal pipe, the described center, end extending to activated carbon granule gathering-device air duct for the outlet of charcoal pipe.Being arranged on center, end is can enter arc arrester smoothly for the ease of test charcoal.
Further, described activated carbon granule gathering-device air out is provided with NO30 filter screen.This filter screen should be able to filter the carbon granule of 600um.
Beneficial effect of the present invention: the 1. orifice plate air flowmeter that present invention employs two cover different sizes, achieves the testing requirement of the all-terrain vehicle (ATV) of the discharge capacity from 50ml to 1500ml; This measurement range covers all displacement range of all-terrain vehicle (ATV).This equipment is very convenient in measurement measurement range selection, in measuring process, select various flows gauge according to uninterrupted.Decrease the trouble changed orifice plate and bring.
2. this equipment have employed intelligent flow-integrating instrument and carries out flow quantity intelligent calculating and display.This intelligent flow-integrating instrument has pressure, temperature compensation, nonlinear compensation, ensure that the degree of accuracy of air-flow measurement.
3. this equipment adopts cylinder piston for charcoal mode, and piston moves with constant speed in cylinder, promotes the charcoal also certain flow outflow cylinder inside cylinder, ensure that punctuality, the homogeneity for charcoal.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention,
Fig. 2 is the vertical view of Fig. 1,
Fig. 3 is the structural representation for charcoal mechanism in the present invention.
Embodiment
Be structural representation of the present invention as shown in Figure 1, Fig. 2 is the vertical view of Fig. 1, and Fig. 3 is the structural representation for charcoal mechanism of the present invention; The automobile exhausting spark arrester testing apparatus of this reality invention, as shown in Figure 1, what blower fan adopted is Root's blower, and Root's blower 1 is connected with exhaust silencer 3 by flexibly connecting 2; The endpiece of exhaust silencer 3 is provided with pipeline.Described pipeline changes the pipeline 9,10 be divided into two into after extending, and two pipelines is respectively arranged with intelligent flow-integrating instrument 17 and condenser type differential pressure pickup 18; Described pipeline is provided with orifice plate air flowmeter, described on pipeline 9 arrange be macroporous plate air flowmeter 21, what pipeline 10 was arranged is aperture plate air flowmeter 22, this is the test request of the exhaust spark trap device of motor vehicle in order to adapt to different displacements, can meet the motor vehicle detecting of the discharge capacity from 50ml to 1500ml and need not change orifice plate air flowmeter.Capacitance pressure transducer, 19 and thermocouple temperature sensor 20 is provided with in the rear end of orifice plate air flowmeter.Described intelligent flow-integrating instrument 17 and condenser type voltage difference transformer 18 solve in test process, the trouble that artificial instant computing flow brings.With numerical monitor, also can realize data communication, substantially increase test speed.Because the line size of two orifice plate air flowmeter is different, in air measure portion, devise two circuits.Two-way pipeline has installed operation valve 8 respectively.Solve the trouble changed orifice plate because flow exceeds measurement range and bring.The object of two cover intelligent flow-integrating instruments is selected to be to improve the precision of Flow Measuring System, need demarcate flow system, in calibration process, relate to and non-liner revision is carried out to Flow Measuring System, if the modified value of two cover measuring systems the same two cover measuring systems can not share a set of intelligent flow-integrating instrument, cannot realize demarcating the non-liner revision being.
Two pipelines are before activated carbon granule gathering-device 12, and two pipelines unite two into one, and are connected with activated carbon granule gathering-device 12.The collection tank wall of described exhaust outlet distance activated carbon granule gathering-device should have the distance of 200mm.The length of collecting box is at least 1000mm.Exhaust outlet is downward, and left and right tank wall also should keep more than the distance of 200mm with exhaust outlet.The width design of collecting box is 600mm, and the height of collecting box is designed to 500mm.
Can enter smoothly in arc arrester or gas outlet for the ease of test charcoal, the center, end of collecting box air duct will be extended to for the outlet of charcoal pipe.
In order to filter the carbon granule of 600um, the filter screen of No. NO30 is installed in collecting box exit.
For the ease of removing the carbon granule in collecting box, bottom collecting box, being provided with leak, and being sealed with gland bonnet.
Adjustable constant-speed is connected with activated carbon granule gathering-device for charcoal mechanism 25, as shown in Figure 3, includes cylinder 33 for charcoal mechanism 25, piston 32, screw rod 30, belt pulley 31, belt, buncher 34 form.Its middle belt pulley and screw rod are with the respective outer side edges of turbine, and piston is fixed on screw rod one end, and piston coordinates with cylinder, and the air duct 35 in cylinder one end and gathering-device is connected; Buncher drives bolt rotary by belt pulley.Motor can provide pace at the uniform velocity to piston by control rate, thus makes for charcoal even.Can enter smoothly in arc arrester or gas outlet for the ease of test charcoal, the center, end of activated charcoal gathering-device air duct will be extended to for the outlet of charcoal pipe.
For the principle of charcoal mechanism be buncher by belt pulley by the pulley rotation on belt drive screw rod.Belt pulley on screw rod is connected with screw rod by screw thread.Belt pulley is fixed on support, and along with the rotation of belt pulley, screw displacement, promotes piston and move, thus promote the movement of test charcoal.Before test, how many by charcoal amount according to test, test charcoal is added from top.Adjustment piston position, makes test charcoal arrive top, builds top cover.The speed governing knob of adjustment buncher, to appropriate location, after on-test, opens speed regulating motor switch, along with electric machine rotation, belt pulley rotates, and drives screw rod to think upper movement, promote piston moves, carbon granule, under gravity, enters activated carbon granule gathering-device along conduit.
No matter it is how many to test charcoal like this, be thick charcoal or thin charcoal, before the test, piston adjusted to test charcoal and arrive tip position.Will complete for the supply of test charcoal during off-test, now piston position is at top.Test period is 15 ± 5min all, so piston needs the position of the speed of movement just only with piston relevant, the speed of piston movement has the speed of motor to determine, the speed of screw rod and motor establishes relation one to one as shown in Figure 3, directly piston position is labeled on buncher knob, in use, only adjust buncher knob to relevant position according to the reference position of piston, just can be supplied the charcoal time accurately.
As shown in Figure 1, 2, 3, activated carbon granule gathering-device and for charcoal mechanism and intelligent flow-integrating instrument all support support, be convenient to be convenient to install and operation in whole testing apparatus.
Claims (6)
1. an automobile exhausting spark arrester testing apparatus, comprise blower fan, delivery pipe, muffler of gas escape tube, intelligent flow-integrating instrument, orifice plate air flowmeter, differential manometer, confession charcoal mechanism and activated carbon granule gathering-device, it is characterized in that: between described muffler of gas escape tube and activated carbon granule gathering-device, be provided with two conveyance conduits, two conveyance conduits are provided with orifice plate air flowmeter and intelligent flow-integrating instrument; Described is that a kind of adjustable constant-speed is for charcoal device for charcoal mechanism; Described adjustable constant-speed is such for the structure of charcoal mechanism: have cylinder, piston, screw rod, belt and buncher for charcoal organization establishes; Its middle belt pulley coordinates with screw rod, and piston is fixed on screw rod one end, and piston coordinates with cylinder, and cylinder one end and activated carbon granule gathering-device are connected; Buncher drives bolt rotary by belt pulley; What described cylinder one end and activated carbon granule gathering-device were connected is export for charcoal pipe, the described center, end extending to activated carbon granule gathering-device air duct for the outlet of charcoal pipe.
2. automobile exhausting spark arrester testing apparatus according to claim 1, is characterized in that: on described delivery pipe, be also provided with differential pressure pickup, pressure transducer, temperature sensor.
3. automobile exhausting spark arrester testing apparatus according to claim 1, is characterized in that: the orifice plate air mass flow on described two conveyance conduits counts the air flowmeter of small one and large one two kinds of specifications.
4. automobile exhausting spark arrester testing apparatus according to claim 1, is characterized in that: described blower fan is Root's blower.
5. automobile exhausting spark arrester testing apparatus according to claim 1, is characterized in that: the bottom of described activated carbon granule gathering-device is provided with leak, and is sealed with gland bonnet.
6. automobile exhausting spark arrester testing apparatus according to claim 5, is characterized in that: described activated carbon granule gathering-device air out is provided with NO30 filter screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110347852.4A CN103091106B (en) | 2011-10-29 | 2011-10-29 | Motor vehicle exhaust arc arrester test device |
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| CN201110347852.4A CN103091106B (en) | 2011-10-29 | 2011-10-29 | Motor vehicle exhaust arc arrester test device |
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| CN103091106A CN103091106A (en) | 2013-05-08 |
| CN103091106B true CN103091106B (en) | 2015-07-22 |
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Citations (9)
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| US5058440A (en) * | 1990-09-04 | 1991-10-22 | Caterpillar Inc. | Gas sampling device and dilution tunnel used therewith |
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| CN101196435A (en) * | 2007-12-26 | 2008-06-11 | 江苏大学 | Vehicle fuel oil consumption testing device through exhaustion dilution measurement |
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| CN201548373U (en) * | 2009-10-22 | 2010-08-11 | 芜湖杰锋汽车动力***有限公司 | Exhaust system pressure loss measuring device of automobile engine exhaust system |
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2011
- 2011-10-29 CN CN201110347852.4A patent/CN103091106B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5058440A (en) * | 1990-09-04 | 1991-10-22 | Caterpillar Inc. | Gas sampling device and dilution tunnel used therewith |
| CN2508889Y (en) * | 2001-12-13 | 2002-09-04 | 姜永恩 | Special equipment for single-screw pump metal stator |
| CN2601778Y (en) * | 2003-03-27 | 2004-02-04 | 徐本义 | High-accuracy semi-automatic horizontal honing machine |
| CN1919462A (en) * | 2006-09-06 | 2007-02-28 | 陈朝晖 | Freely-falling body automatic crusher |
| CN101113947A (en) * | 2007-06-01 | 2008-01-30 | 中国汽车技术研究中心 | Devices and methods for measuring granular material discharged by vehicle |
| CN201159691Y (en) * | 2007-12-20 | 2008-12-03 | 比亚迪股份有限公司 | Performance detection apparatus of air filter |
| CN101196435A (en) * | 2007-12-26 | 2008-06-11 | 江苏大学 | Vehicle fuel oil consumption testing device through exhaustion dilution measurement |
| CN101382467A (en) * | 2008-10-24 | 2009-03-11 | 王明文 | Method for detecting exhaust spark trap device for automobile and detecting test stand |
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| 柴油机稳流试验评价参数及试验方法;徐筱欣等;《镇江船舶学院学报》;19891231;第3卷(第3期);第82-87页 * |
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| CN103091106A (en) | 2013-05-08 |
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Address after: 400000 No. 9, Xinjin Avenue, Jiulongpo high tech Zone, Chongqing Patentee after: China Merchants Testing Vehicle Technology Research Institute Co.,Ltd. Address before: Northern New Chongqing 401122 ring Star Road No. 1 Patentee before: CHONGQING VEHICLE TEST & Research Institute |
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