CN201811900U - Device for testing working capacity of automobile activated carbon canister - Google Patents
Device for testing working capacity of automobile activated carbon canister Download PDFInfo
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- CN201811900U CN201811900U CN2010205382584U CN201020538258U CN201811900U CN 201811900 U CN201811900 U CN 201811900U CN 2010205382584 U CN2010205382584 U CN 2010205382584U CN 201020538258 U CN201020538258 U CN 201020538258U CN 201811900 U CN201811900 U CN 201811900U
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- desorption
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- solenoid valve
- flow sensor
- charcoal canister
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Abstract
The utility model discloses a device for testing the working capacity of an automobile activated carbon canister. The device is composed of an activated carbon canister, a collector, an electronic balance, a solenoid valve, an adsorption flow sensor, a desorption flow sensor, an adsorption flow regulating valve, a desorption flow regulating valve, a vacuum pump, a dehumidifier, an air pressure stabilizing chamber and a computer test/control system. The device disclosed by the utility model completely conforms to the provisions of HBC32-2004 Technical Requirement for Environmental Protection Product Control System (Device) of Fuel Evaporative Pollutants from Vehicle with Petrol Engine; and the device is high in test precision and degree of automation, and suitable for the institutes such as research institutions, vehicle inspection and test departments, environmental protection departments and the like to carry out tests and researches on the working capacity of the automobile activated carbon canister.
Description
Technical field
The utility model belongs to the gasoline car test measurement device that environmental protection is used, and relates to a kind of vehicular active carbon jar work performance test device.
Background technology
The multiple noxious emission of automobile is to cause the important pollution source of air-polluting, raising along with people's environmental consciousness, be the generation of control fuel evaporation pollutant, abroad the fuel evaporation pollutant control device is installed in beginning on gasoline car since the seventies in 20th century.China has also issued the relevant laws and regulations of control fuel evaporation discharging in nineteen ninety-five.Though control device has a variety of, be that the pollutant control device of core is the main both at home and abroad at present form that adopts with fuel vapor storage device charcoal canister.Along with the increasingly stringent of discharge vaporization rules, the ability to work that improves fuel vapor storage device charcoal canister has become the task of top priority, and development to be used for the test unit that the charcoal canister ability to work detects also be necessary.
State Environmental Protection Administration has issued HBC32-2004 " environmental protection product is assert technical requirement Pollutant of Evaporated Gasoline Vehicle control system (device) " standard in October, 2004 and has substituted former HCRJ047-1999 standard.HBC32-2004 has clearly strengthened charcoal canister ability to work test loop number of times than HCRJ047-1999, as seen country is more and more stricter to the ability to work test request of charcoal jar, has also reflected the importance of charcoal jar as Core Feature element function quality in the evaporative emission control system simultaneously.
The charcoal jar performance test experiment table form of present domestic use is a lot, but because gasoline car charcoal canister performance test test routine complexity, environment is abominable, longer duration, add that existing test macro manually-operated item is more, complex operation and makeing mistakes easily needs to develop the needs that automaticity and measuring accuracy test macro higher and flexible to operation satisfy social production urgently in today of information-based develop rapidly.
Summary of the invention
Because domestic existing charcoal canister performance test experiment table exists measuring accuracy low at present; problems such as automaticity is not high; be difficult to adapt to national standard HBC32-2004 " environmental protection product is assert technical requirement Pollutant of Evaporated Gasoline Vehicle control system (device) " to testing requirements; in order actively to cooperate the execution of this standard, it is a kind of vehicular active carbon jar work performance test device of core that the utility model is set up with the computer measurement and control system.
The technical scheme that is adopted is:
A kind of vehicular active carbon jar work performance test device is made up of charcoal canister, gatherer, electronic balance, solenoid valve, absorption flow sensor, desorption flow sensor, absorption flow variable valve, desorption flow control valve, vacuum pump, dehumidifier, air pressurizer tank, computer measurement and control system.Wherein, the adsorption test pipeline connects absorption flow variable valve, absorption flow sensor, solenoid valve A, charcoal canister adsorption orifice, charcoal canister atmosphere entry, solenoid valve D and gatherer successively by the metal tube of good corrosion resistance and forms; The metal tube of desorption developmental tube route good corrosion resistance connects dehumidifier, air pressurizer tank, solenoid valve C, charcoal canister atmosphere entry, charcoal canister desorption mouth, solenoid valve B, desorption flow sensor, desorption flow control valve, vacuum pump successively and forms.
The utility model patent can further remark additionally:
Be provided with computer measurement and control system in the described vehicular active carbon jar work performance test device.
Described absorption flow sensor is used for gathering the mixed gas flow information of charcoal jar adsorption test process, and send into computer measurement and control system, after computer measurement and control system carries out analyzing and processing to mixed gas flow information, output control signal control absorption flow control valve opening.
Described desorption flow sensor is used for gathering the dry air flow information of charcoal jar desorption process of the test, and send into computer measurement and control system, after computer measurement and control system carries out analyzing and processing to dry air flow information, output control signal control desorption flow regulation valve opening.
Described electronic balance has the RS-232 serial port, can carry out data communication with computer measurement and control system.Electronic balance A is used for testing the mass change information of charcoal canister in process of the test, and this information is sent into computer measurement and control system carry out the computational analysis processing; Electronic balance B is used for testing the mass change information of gatherer in process of the test, and this information is sent into computer measurement and control system carry out analyzing and processing.
Described solenoid valve is used for controlling the break-make of process of the test absorption, desorption pipeline; Solenoid valve A, solenoid valve D open, solenoid valve B, when solenoid valve C closes, the conducting of adsorption process pipeline; Solenoid valve B, solenoid valve C open, solenoid valve A, when solenoid valve D closes, the conducting of desorption process pipeline.
Described vacuum pump is used for charcoal jar desorption process of the test and extracts dry air, and its operation-halted state is controlled by computer measurement and control system.
The beneficial effects of the utility model are, correlation theory and method according to modern computer test control technology, according to national standard HBC32-2004 the rules of charcoal canister work performance test are limited, develop a kind of vehicular active carbon jar work performance test device that meets national standard fully, this installs not only measuring accuracy height, but also have characteristics such as easy to operate, that cost is low, can estimate the ability to work of fuel vapor storage device charcoal canister accurately and effectively.
Description of drawings
Fig. 1 is a kind of vehicular active carbon jar of the utility model work performance test device synoptic diagram;
Fig. 2 is a computer measurement and control system composition frame chart of the present utility model.
Embodiment
According to the qualification of national standard HBC32-2004, in conjunction with the accompanying drawings, embodiment of the present utility model is further specified below charcoal canister work performance test rules.
As shown in Figure 1, test procedure is as follows:
1. on-test,, electronic balance A weighs to charcoal canister, and sends into the computer measurement and control system record;
2. adsorption test: use the combination gas of 50% volume butane and 50% volume nitrogen that charcoal canister is carried out adsorption test, at this moment, control electromagnetic valve A, solenoid valve D open, solenoid valve B, solenoid valve C close, the conducting of adsorption test pipeline, combination gas carries out adsorption treatment to charcoal canister and enters atmosphere through absorption flow variable valve, absorption flow sensor, solenoid valve A, charcoal canister adsorption orifice, charcoal canister atmosphere entry, solenoid valve D and gatherer; Absorption flow sensor acquisition combination gas gas flow information, after sending into Computer Analysis and handling, output control signal control absorption flow control valve opening makes inflation rate be controlled at the 2.5g/min of standard code requirement; Simultaneously, the weightening finish information of the real-time monitoring collector of electronic balance B, and send into computing machine.Reach work critical point (gatherer weightening finish 2g) until charcoal canister, solenoid valve A, solenoid valve D close.
3. electronic balance A weighs to charcoal canister, and sends into the computer measurement and control system record.
4. desorption test: control electromagnetic valve B, solenoid valve C open, solenoid valve A, solenoid valve D close, control the vacuum pump running simultaneously, the conducting of desorption test this moment pipeline, air through dehumidifier, air pressurizer tank, solenoid valve C, charcoal canister atmosphere entry, charcoal canister desorption mouth, solenoid valve B, desorption flow sensor, desorption flow control valve, vacuum pump, carries out the desorption processing to charcoal canister and enters atmosphere under the effect of vacuum pump; Simultaneously, the desorption flow sensor is gathered combination gas gas flow information, and after sending into Computer Analysis and handling, output control signal control desorption flow regulation valve opening makes the 25 ± 1L/min of desorption gas flow speed control in the standard code requirement.Reach 600 charcoal canister useful volumes until desorption gas, solenoid valve B, solenoid valve C close.
5. electronic balance A weighs to charcoal canister, and sends into the computer measurement and control system record.
6. repeat above-mentioned 2 to 5 steps 150 time.
7. according to the national Specification requirement, calculate the poor of step 3 and step 5 record in the respective cycle charcoal canister quality, with this as the underlying parameter of estimating the charcoal canister ability to work.
8. off-test, computer measurement and control system generate, show, print the test form.
Computer measurement and control system is made up of industrial computer, data collecting card, signal conditioning circuit, as shown in Figure 2.
Data collecting card is NI PCI-6014, has 16 bit resolutions, 16SE/8DI road analog input channel, and 2 tunnel analog output channels, the signal input is ± 10V 8 way word IO channel, 2 tunnel counting channels.
Signal conditioning circuit adopts existing multiple typical circuit such as amplification, filtering and combination thereof.
Claims (4)
1. vehicular active carbon jar work performance test device, it is characterized in that it is made up of charcoal canister, gatherer, electronic balance, solenoid valve, absorption flow sensor, desorption flow sensor, absorption flow variable valve, desorption flow control valve, vacuum pump, dehumidifier, air pressurizer tank, computer measurement and control system; Wherein, the adsorption test pipeline connects absorption flow variable valve, absorption flow sensor, solenoid valve A, charcoal canister adsorption orifice, charcoal canister atmosphere entry, solenoid valve D and gatherer successively by the metal tube of good corrosion resistance and forms; The metal tube of desorption developmental tube route good corrosion resistance connects dehumidifier, air pressurizer tank, solenoid valve C, charcoal canister atmosphere entry, charcoal canister desorption mouth, solenoid valve B, desorption flow sensor, desorption flow control valve, vacuum pump successively and forms.
2. a kind of vehicular active carbon jar work performance test device according to claim 1, it is characterized in that, be provided with computer measurement and control system in the described vehicular active carbon jar work performance test device, computer measurement and control system is gathered butane and the nitrogen mixture gas flow signal that the absorption flow sensor obtains, after carrying out analyzing and processing, output control signal control absorption flow control valve opening.
3. a kind of vehicular active carbon jar work performance test device according to claim 1, it is characterized in that, be provided with computer measurement and control system in the described vehicular active carbon jar work performance test device, computer measurement and control system is gathered the dry air gas flow signal that the desorption flow sensor obtains, after carrying out analyzing and processing, output control signal control desorption flow regulation valve opening.
4. a kind of vehicular active carbon jar work performance test device according to claim 1 is characterized in that described electronic balance has the RS-232 serial port, can set up data communication with computer measurement and control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205382584U CN201811900U (en) | 2010-09-21 | 2010-09-21 | Device for testing working capacity of automobile activated carbon canister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205382584U CN201811900U (en) | 2010-09-21 | 2010-09-21 | Device for testing working capacity of automobile activated carbon canister |
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| Publication Number | Publication Date |
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| CN201811900U true CN201811900U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205382584U Expired - Fee Related CN201811900U (en) | 2010-09-21 | 2010-09-21 | Device for testing working capacity of automobile activated carbon canister |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323383A (en) * | 2011-09-01 | 2012-01-18 | 上海大学 | The active testing device of phenixin activated charcoal |
| CN102401771A (en) * | 2010-09-21 | 2012-04-04 | 淮阴工学院 | Apparatus for testing work ability of activated carbon canister used for vehicle |
| CN102818741A (en) * | 2011-06-08 | 2012-12-12 | 重庆车辆检测研究院有限公司 | Vehicle oil tube fuel oil permeability test device |
| 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 |
| CN109612872A (en) * | 2018-12-11 | 2019-04-12 | 江铃汽车股份有限公司 | A kind of canister development approach meeting six discharge vaporization regulation of state |
| CN109916639A (en) * | 2019-03-30 | 2019-06-21 | 廊坊华安汽车装备有限公司 | A kind of canister appearance dirt testing machine |
| CN110823591A (en) * | 2019-10-16 | 2020-02-21 | 黄山市徽州和顺实业有限公司 | Detection system for desorption flow of high-load pipeline of automobile carbon tank |
-
2010
- 2010-09-21 CN CN2010205382584U patent/CN201811900U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401771A (en) * | 2010-09-21 | 2012-04-04 | 淮阴工学院 | Apparatus for testing work ability of activated carbon canister used for vehicle |
| CN102818741A (en) * | 2011-06-08 | 2012-12-12 | 重庆车辆检测研究院有限公司 | Vehicle oil tube fuel oil permeability test device |
| CN102323383A (en) * | 2011-09-01 | 2012-01-18 | 上海大学 | The active testing device of phenixin activated charcoal |
| 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 |
| CN109612872A (en) * | 2018-12-11 | 2019-04-12 | 江铃汽车股份有限公司 | A kind of canister development approach meeting six discharge vaporization regulation of state |
| CN109612872B (en) * | 2018-12-11 | 2021-06-15 | 江铃汽车股份有限公司 | Carbon tank development method meeting national six-evaporative emission regulations |
| CN109916639A (en) * | 2019-03-30 | 2019-06-21 | 廊坊华安汽车装备有限公司 | A kind of canister appearance dirt testing machine |
| CN110823591A (en) * | 2019-10-16 | 2020-02-21 | 黄山市徽州和顺实业有限公司 | Detection system for desorption flow of high-load pipeline of automobile carbon tank |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20110921 |