CN104343510A - Gasoline car fuel evaporation pollutant control system testing device - Google Patents

Gasoline car fuel evaporation pollutant control system testing device Download PDF

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Publication number
CN104343510A
CN104343510A CN201310342047.1A CN201310342047A CN104343510A CN 104343510 A CN104343510 A CN 104343510A CN 201310342047 A CN201310342047 A CN 201310342047A CN 104343510 A CN104343510 A CN 104343510A
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CN
China
Prior art keywords
testing
canister
vacuum pump
pollutant
vehicle control
Prior art date
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.)
Pending
Application number
CN201310342047.1A
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Chinese (zh)
Inventor
徐建勋
郭承毅
谢东坡
张仪栋
闵照源
周亮
赵永刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Vehicle Test & Research Institute Co ltd
Original Assignee
Chongqing Vehicle Test & Research Institute Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Vehicle Test & Research Institute Co ltd filed Critical Chongqing Vehicle Test & Research Institute Co ltd
Priority to CN201310342047.1A priority Critical patent/CN104343510A/en
Publication of CN104343510A publication Critical patent/CN104343510A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems

Abstract

The invention discloses a gasoline car fuel evaporation pollutant control system testing device which is characterized in that fuel steam or normal butane and high-purity nitrogen cylinder mixed gas are connected with a t-branch pipe through a gas pipe and then communicated with a carbon tank; the carbon tank adsorption opening is connected with a vacuum pump through the gas pipe; a carbon tank is arranged on an electronic balance; a pressure sensor, a flow sensor and a temperature sensor are arranged between the gas cylinder and the t-branch pipe as well as between the carbon tank and the vacuum pump; the sensors are connected with an industrial control computer through an acquisition module system; the vacuum pump is controlled through a relay output module of the industrial control computer. The gasoline car fuel evaporation pollutant control system testing device has the benefits of decreasing the equipment for detecting the properties of the carbon tank, reducing the labor intensity and having the characteristics of high automation degree, rapid response, stable property, high testing efficiency, high and reliable precision and long service life; in the whole detection process, the system is in safe operation.

Description

Pollutant of Evaporated Gasoline Vehicle control system testing apparatus
Technical field
The present invention relates to a kind of testing apparatus, is the control system testing apparatus about a kind of Pollutant of Evaporated Gasoline Vehicle concretely.
Background technique
Nowadays due to more and more higher to the emission request of gasoline car, thus also stricter because of the control of gasoline volatilization to using gasoline car.Generally adopt in present gasoline car and canister is installed on gasoline car the pollutant that gasoline evaporates is adsorbed and when use vehicle, desorption gasoline vapor is out burnt, thus reduce the discharge of pollutant.
The detection of following project generally will be carried out for canister:
1, performing leak test
2, control system aeration resistance testing property
3, initial operating capability (adsorption and desorption) test
4, end of a period ability to work (adsorption and desorption) is tested.
5, steam storage device ability to work test
6, weather resistance test
7, anti-vibration performance test
8, the test of fluid stopping device performance is overturn
But, up to now, to the detection of the combination property of canister or test the fairly perfect or perfect testing apparatus of all neither ones, it mainly carries out individual event test to canister performance, all comprehensive detection can not be carried out, and test process is complicated and testing apparatus is many and numerous and diverse, integration testing result and testing efficiency all can not make user satisfied.
In view of the above circumstances, be necessary, to existing Pollutant of Evaporated Gasoline Vehicle control system detection facility---canister detecting method is improved, to reach easy and the object overcome the above problems efficiently.
Summary of the invention
The object of this invention is to provide a kind of Pollutant of Evaporated Gasoline Vehicle control system testing apparatus, have automaticity high, response is fast, stable performance; The features such as testing efficiency is high, and precision is high, long service life.
The present invention is a kind of Pollutant of Evaporated Gasoline Vehicle control system testing apparatus, it is characterized in that:
After fuel-steam or normal butane mixed gas, high pure nitrogen steel cylinder are connected with three-way pipe respectively by tracheae and canister adsorption port UNICOM, canister desorption mouth is connected with vacuum pump by tracheae, described canister is arranged on electronic balance, at described steel cylinder and three-way pipe, between canister and vacuum pump, be provided with pressure transducer, flow transducer and temperature transducer, and various sensor is connected with industrial computer by acquisition module system, and described vacuum pump is controlled by industrial computer relay output module.
Further, at described gasoline vapor or normal butane gas cylinder, be respectively arranged with flow control valve, pressure regulator valve, stop valve and pressure transducer etc. between high pure nitrogen steel cylinder and three-way pipe.Can be reached by this structure that structure is simple, the object of transmission data block, good test effect.
Further, between described desorption mouth and vacuum pump, stop valve is provided with, pressure regulator valve, flow transducer and flow control valve.This structure is convenient to adjust flux and pressure size, simple and reliable for structure.
Further, described canister lower end is provided with the atmospheric air port communicated with air, and described atmospheric air port one is connected with air oxygen detrition compressor, and another port is connected with auxiliary canister.Simple by this programme, fully ensure that gas is dry and use assists canister fully to ensure the accuracy of monitoring result.
Further, describedly between stop valve and pressure regulator valve, be connected with another pipeline, connect the tracheae between atmospheric air port and dry air compressor by UNICOM's tracheae, described UNICOM tracheae is provided with differential pressure gauge.By arranging differential pressure gauge, ensureing the pressure difference between desorption mouth and dry air pipe, improving testing efficiency, and dry air can be made to enter canister.
Further, all adopt soft bellows to connect at carbon each interface tank connected, and there have buckle to carry out to be fastening; The influence factor of pipeline inflation/deflation distortion for electronic balance can be ensured by this structure, get rid of the impact of pipeline distortion for scales/electronic balance weighing value as far as possible, ensure the accuracy detected.
Further, described gasoline vapor and normal butane, nitrogen mixture steel cylinder and the tank connected pipeline of carbon are seal arrangement, and are provided with gas flameproof apparatus and fuel gas warning sensor.Butane and the aerial content of gasoline vapor in fuel gas warning sensor monitoring test environment in this structure, ensure the safe operation of guarantee system.
Beneficial effect
The invention has the beneficial effects as follows by this gasoline car pollutant catabolic gene detection device, can decrease the equipment and labor intensity that detect canister properties and to have automaticity high, response is fast, stable performance; The features such as testing efficiency is high, and precision is highly reliable, long service life, in whole testing process, system is all in safe operation.
Accompanying drawing explanation
Fig. 1 is canister performance test stand schematic diagram of gas circuit of the present invention.
Fig. 2 is control system block diagram of the present invention
Embodiment
As Fig. 1, structural representation of the present invention and control system figure shown in 2, after wherein the steel cylinder 1 of gasoline vapor or normal butane and high pure nitrogen steel cylinder 21 are connected with three-way pipe respectively by tracheae and adsorption port 6 UNICOM of canister 7, the desorption mouth 8 of canister 7 is connected with vacuum pump 13 by tracheae, described canister 7 is arranged on electronic balance and claims in (not shown), at Bottle & Can and three-way pipe, be provided with pressure regulator valve between canister and vacuum pump and be provided with pressure transducer and flow transducer 4, 12, temperature transducer, and various sensor is connected with industrial computer by acquisition module system, described vacuum pump 13 is also controlled by the relay output module of industrial computer.
In the present embodiment, at described gasoline vapor or between normal butane steel cylinder 1 and three-way pipe, flow control valve 2,20 and flow transducer 4,18 is respectively arranged with, pressure regulator valve 3,19 and sensor between high pure nitrogen steel cylinder 21 and three-way pipe, and stop valve 5,17.Can be reached by this structure that structure is simple, transmission data block, effective object.
In the present embodiment, between described desorption mouth 8 and vacuum pump 13, be provided with stop valve 9, pressure regulator valve 10, flow transducer and flow control valve 12.This structure is convenient to adjust flux and pressure size, simple and reliable for structure.
In the present embodiment, be provided with the atmospheric air port 16 communicated with air in described canister lower end, described atmospheric air port 16 1 is connected with air oxygen detrition compressor 14, and is connected with auxiliary canister.Simple by this programme, fully ensure that gas is dry and use assists canister fully to ensure the accuracy of monitoring result.
In the present embodiment, between stop valve and pressure regulator valve, be connected with another pipeline described, connect the tracheae between atmospheric air port and dry air compressor by UNICOM's tracheae, described UNICOM tracheae is provided with differential pressure gauge 15.By arranging differential pressure gauge, ensureing the pressure difference between desorption mouth and dry air pipe, and making its dry air enter canister.
In the present embodiment, all adopt soft bellows to connect at carbon each interface tank connected, and there have buckle to carry out to be fastening; The influence factor of pipeline inflation/deflation distortion for electronic balance can be ensured by this structure, get rid of the impact of pipeline distortion for scales/electronic balance weighing value as far as possible, ensure the accuracy detected.
In the present embodiment, described gasoline vapor and normal butane, nitrogen mixture steel cylinder and the tank connected pipeline of carbon are seal arrangement, and are provided with gas flameproof apparatus and fuel gas warning sensor.This structure to butane in fuel gas warning sensor monitoring test environment and the aerial content of gasoline vapor, can ensure the safe operation of guarantee system.
The mode of operation of this structure is:
1), after clear operation being carried out to electronic balance, be placed on electronic balance after test test specimen is connected pipeline, and pipeline is fixed safe.
2) test is started
A. canister initial operating capability and end of a period work performance test
After confirming that pipeline connects correct adsorption port and desorption mouth, selected test OptionButton, click START button, start the test carrying out canister initial operating capability and end of a period ability to work, in process of the test, test procedure will show the test datas such as butane gas flow, nitrogen flow, vacuum pump loop flow in real time;
Need to suspend test if pinpoint the problems in midway, can click conclusion button, and regulate accordingly test specimen, if again click conclusion button, then test counting resets, off-test;
If test conditions is normal, then after cycle count proceeds to code test number of times, test completes, and program calculates canister initial operating capability and end of a period ability to work automatically, and generates data result.
B. control system aeration resistance performance
Block the desorption mouth of steam storage device, selected aeration resistance testing property tab, contrast vacuum pump charge flow rate test interface, the steady air flow passing into 10L/min at test specimen adsorption port is made it by adjustment " vacuum pump air inlet adjustment ", flow out from atmosphere entry, click and start testing button, measure the pressure difference between adsorption port and atmosphere entry.
C. seal tightness test
Connection sealing delivery outlet and canister adsorption port, and closed control system respectively exports, control system is placed in the clear water that the degree of depth is not more than 100mm, selected performing leak test tab, contrast vacuum pump charge flow rate test interface, by adjustment " vacuum pump air inlet adjustment ", pass into the pressurized air of 14.0kPa from the absorption mouth of pipe, check whether a joint has bubble to produce.
3) off-test
After off-test, first close each source of the gas air valve, open bleed valve and slowly exit, drop to after substitute pressure, can disassemble pipeline, clearness test table top until pressure, cleaning electronic balance surface, shutdown system control cabinet power supply, prepares to test next time.
It should be noted that: above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (7)

1. a Pollutant of Evaporated Gasoline Vehicle control system testing apparatus, it is characterized in that: fuel-steam or normal butane mixed gas, high pure nitrogen steel cylinder is connected rear and canister adsorption port UNICOM respectively by tracheae with three-way pipe, canister desorption mouth is connected with vacuum pump by tracheae, described canister is arranged on electronic balance, at described steel cylinder and three-way pipe, pressure transducer is provided with between canister and vacuum pump, flow transducer and temperature transducer, and various sensor is connected with industrial computer by acquisition module system, described vacuum pump is controlled by industrial computer relay output module.
2. Pollutant of Evaporated Gasoline Vehicle control system testing apparatus according to claim 1, is characterized in that: at described gasoline vapor or normal butane gas cylinder, be respectively arranged with flow control valve, pressure regulator valve, stop valve and pressure transducer etc. between high pure nitrogen steel cylinder and three-way pipe.
3. Pollutant of Evaporated Gasoline Vehicle control system testing apparatus according to claim 2, is characterized in that: between described desorption mouth and vacuum pump, be provided with stop valve, pressure regulator valve, flow transducer and flow control valve.
4. Pollutant of Evaporated Gasoline Vehicle control system testing apparatus according to claim 3, it is characterized in that: described canister lower end is provided with the atmospheric air port communicated with air, described atmospheric air port one is connected with air oxygen detrition compressor, and another port is connected with auxiliary canister.
5. Pollutant of Evaporated Gasoline Vehicle control system testing apparatus according to claim 4, it is characterized in that: describedly between stop valve and pressure regulator valve, be connected with another pipeline, connect the tracheae between atmospheric air port and dry air compressor by UNICOM's tracheae, described UNICOM tracheae is provided with differential pressure gauge.
6. Pollutant of Evaporated Gasoline Vehicle control system testing apparatus according to claim 5, is characterized in that: all adopt soft bellows to connect at carbon each interface tank connected, and there have buckle to carry out to be fastening.
7. Pollutant of Evaporated Gasoline Vehicle control system testing apparatus according to claim 6, it is characterized in that: described gasoline vapor and normal butane, nitrogen mixture steel cylinder and the tank connected pipeline of carbon are seal arrangement, and are provided with gas flameproof apparatus and fuel gas warning sensor.
CN201310342047.1A 2013-08-02 2013-08-02 Gasoline car fuel evaporation pollutant control system testing device Pending CN104343510A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310342047.1A CN104343510A (en) 2013-08-02 2013-08-02 Gasoline car fuel evaporation pollutant control system testing device

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Application Number Priority Date Filing Date Title
CN201310342047.1A CN104343510A (en) 2013-08-02 2013-08-02 Gasoline car fuel evaporation pollutant control system testing device

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105223100A (en) * 2015-11-20 2016-01-06 柳州舜泽尔汽车零部件有限公司 A kind of automobile canister aeration resistance pick-up unit and detection method thereof
CN105241781A (en) * 2015-11-13 2016-01-13 柳州舜泽尔汽车零部件有限公司 Detection device and detection method for car carbon tank butane working capacity
CN107632142A (en) * 2017-09-22 2018-01-26 苏州坤阳机械科技有限公司 A kind of simple controllable assay method of contaminated by diesel oil thing
CN107664691A (en) * 2017-09-22 2018-02-06 苏州坤阳机械科技有限公司 A kind of simple controllable measure device of contaminated by diesel oil thing
CN107677794A (en) * 2017-09-22 2018-02-09 苏州坤阳机械科技有限公司 The filter membrane measure device of pollutant in a kind of diesel oil simply stablized
CN108120654A (en) * 2017-12-20 2018-06-05 东风汽车集团有限公司 Multi-functional canister pilot system and test method
CN108827645A (en) * 2018-03-27 2018-11-16 江铃汽车股份有限公司 The hydrocarbon discharge vaporization test method of fuel system

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105241781A (en) * 2015-11-13 2016-01-13 柳州舜泽尔汽车零部件有限公司 Detection device and detection method for car carbon tank butane working capacity
CN105223100A (en) * 2015-11-20 2016-01-06 柳州舜泽尔汽车零部件有限公司 A kind of automobile canister aeration resistance pick-up unit and detection method thereof
CN105223100B (en) * 2015-11-20 2018-03-02 柳州舜泽尔汽车零部件有限公司 A kind of automobile canister aeration resistance detection means and its detection method
CN107632142A (en) * 2017-09-22 2018-01-26 苏州坤阳机械科技有限公司 A kind of simple controllable assay method of contaminated by diesel oil thing
CN107664691A (en) * 2017-09-22 2018-02-06 苏州坤阳机械科技有限公司 A kind of simple controllable measure device of contaminated by diesel oil thing
CN107677794A (en) * 2017-09-22 2018-02-09 苏州坤阳机械科技有限公司 The filter membrane measure device of pollutant in a kind of diesel oil simply stablized
CN108120654A (en) * 2017-12-20 2018-06-05 东风汽车集团有限公司 Multi-functional canister pilot system and test method
CN108120654B (en) * 2017-12-20 2020-09-18 东风汽车集团有限公司 Multifunctional carbon tank test system and test method
CN108827645A (en) * 2018-03-27 2018-11-16 江铃汽车股份有限公司 The hydrocarbon discharge vaporization test method of fuel system

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Application publication date: 20150211