CN106769104A - Fuel system canister is desorbed nominal data acquisition system - Google Patents
Fuel system canister is desorbed nominal data acquisition system Download PDFInfo
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- CN106769104A CN106769104A CN201710082498.4A CN201710082498A CN106769104A CN 106769104 A CN106769104 A CN 106769104A CN 201710082498 A CN201710082498 A CN 201710082498A CN 106769104 A CN106769104 A CN 106769104A
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- canister
- fuel tank
- data
- fuel
- data acquisition
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
A kind of fuel system canister is desorbed nominal data acquisition system, including the main control terminal for obtaining fuel system data, described main control terminal is connected to the OBDII communication cables and the measurement module for collection vehicle fuel tank data of collection vehicle service data by Two Channels CAN card respectively, the OBDII communication cables connect the interface of vehicle OBD data acquisition devices, and the measurement module is connected to connect respectively the gas flowmeter and the fuel tank data sampling sensor for gathering fuel tank data of canister collection vehicle gas data.Fuel system canister of the invention is desorbed nominal data acquisition system, there is provided the data acquisition that automotive fuel oil system canister atmospheric air port gas flow, fuel tank hull-skin temperature, fuel tank internal oil gas temperature, fuel tank internal oil-air pressure and OBD speeds are completed during vehicle rotary drum operating condition, simple structure, it is easy to accomplish.The very concise canister desorption that intuitively embodies of the data of acquisition demarcates true horizon.
Description
Technical field
The present invention relates to a kind of data collecting system.More particularly to a kind of Light-Duty Gasoline Vehicle is in laboratory's rotary drum simulation road
During the operating condition of road, the fuel system canister desorption mark that flow and OBD speeds are acquired is desorbed to canister atmospheric air port
Determine data collecting system.
Background technology
With the issue of the stage emission standard of national Light-duty Vehicle six, in CN6 plus tight IV type discharge vaporization test requirements documents are same
When increased VII types refuel discharge test requirements document.Main engine plants are that the discharge of six phase evaporations of reply and oiling emission control are required,
By conventional fuel oil system upgrade be with the basis of ORVR function design schemes, it is necessary to carrying out very crucial demarcation researches and develops work
Make, i.e., the canister according to regulation working condition requirement for vehicle fuel system carries out desorption demarcation, so that vehicle fuel system
Canister is fully desorbed the ability to work that requirement is met to obtain.The desorption of vehicle canister demarcate horizontal direct relation whether vehicle
Disclosure satisfy that the discharge of six phase evaporations and discharge test method(s) restrictions value requirement of refueling.Therefore, it is desorbed towards fuel system canister and is marked
The desorption demarcation R＆D work that fixed method of testing pre-processes operating condition for vehicle on rotary drum is provided achievable and can grasped
The method of work.
The gas flow of canister atmospheric air port is the most visual data factor of canister desorption situation during vehicle operating condition,
Speed, fuel tank hull-skin temperature, fuel tank internal oil gas temperature and the tank internal pressure of vehicle OBD are obtained simultaneously, by will be with
Upper data are associated integration, you can obtain vehicle fuel system canister desorption real time status in rotary drum operating condition.And mesh
Preceding existing autonomous vehicle canister desorption demarcates the calibrated and calculated value for only there was only engineer, is only used for reference, and there is no and pass through
The real data of sensor test.Due to before state six discharge vaporization control require it is relatively low, to vehicle fuel system
Canister desorption is less demanding, it is not necessary to fuel system canister desorption demarcation situation is paid special attention to, so main engine plants do not have in this regard
Furtherd investigate.However as developing and publishing for six stage regulations, main engine plants are on the one hand in the urgent need to grasping existing state five
Vehicle canister is desorbed demarcation situation, is on the other hand also taken off in the external canister for meeting discharge vaporization requirement vehicle up to standard of searching
Attached nominal data, finally researches and develops the trial-production initial stage, it is necessary to the canister of testing engineering sample car takes off in the engineering sample car for meeting the regulation of state six
Attached nominal data, to confirm whether canister desorption demarcates meet R＆D target.In addition in regulation authenticated connection, main engine plants and detection
Mechanism is required for for vehicle to be detected, and fuel system canister desorption mark is obtained in it carries out IV types and VII type processs of the test
Fixed number evidence.
Considered based on above-mentioned, just more in the urgent need to a kind of survey scientific and reasonable, operable, that True Data situation can be characterized
Method for testing, but the testing requirement there is no precedent, not form unified and standard operating method, thus need a kind of towards fuel oil
The data collecting system that system canister desorption is demarcated meets vehicle testing demand.
The content of the invention
The technical problems to be solved by the invention are to provide one kind and are tested in preprocessing process in regulation for calculating vehicle
The fuel system canister desorption nominal data acquisition system of fuel system canister desorption demarcation level.
The technical solution adopted in the present invention is：A kind of fuel system canister desorption nominal data acquisition system, including with
In the main control terminal for obtaining fuel system data, described main control terminal is connected to collecting vehicle respectively by Two Channels CAN card
The OBDII communication cables and the measurement module for collection vehicle fuel tank data of service data, the OBDII communication cables
The interface of vehicle OBD data acquisition devices is connected, the measurement module is connected to connect canister collection vehicle gas number respectively
According to gas flowmeter and fuel tank data sampling sensor for gathering fuel tank data.
The car that described main control terminal is obtained by Two Channels CAN card and OBDII communication cables from OBD data acquisition devices
Speed, engine speed and throttle opening data.
Described gas flowmeter connects the atmospheric air port of canister, for obtaining gas stream during vehicle operation at atmospheric air port
Amount.
Gas flow at the atmospheric air port of the canister is desorption mouthful connection motor intake manifold respectively by canister
Obtained with fuel tank is connected by the adsorption orifice of canister.
Described fuel tank data sampling sensor includes the fuel tank hull-skin temperature being arranged on fuel tank outer surface and passes
Sensor, is arranged on temperature sensor in the fuel tank inside fuel tank, and be arranged on the tank pressure sensing inside fuel tank
Device.
The power input of described measurement module connects vehicle-mounted cigarette lighter power supply by power cable.
Fuel system canister of the invention is desorbed nominal data acquisition system, there is provided in vehicle rotary drum operating condition process
Middle completion automotive fuel oil system canister atmospheric air port gas flow, fuel tank hull-skin temperature, fuel tank internal oil gas temperature, fuel tank internal
The data acquisition of oil-air pressure and OBD speeds, simple structure, it is easy to accomplish.It is desorbed by fuel system canister of the invention
Nominal data acquisition system, collection vehicle rotary drum running intermediate fuel oil system canister atmospheric air port gas flow, fuel tank outer surface
Oil gas temperature, tank pressure and vehicle OBD speeds in temperature, fuel tank, for calculating canister during whole pretreatment operating mode
Desorption demarcation level.The very concise canister desorption that intuitively embodies of the data of acquisition demarcates true horizon, eventually for main frame
Factory's research and development test job related to testing agency.
Brief description of the drawings
Fig. 1 is that the principle of fuel system canister desorption nominal data acquisition system of the present invention constitutes block diagram；
Fig. 2 is the concrete structure schematic diagram that fuel system canister of the present invention is desorbed nominal data acquisition system.
In figure,
1：Main control terminal 2：Two Channels CAN card
3：OBDII communication cables 4：Measurement module
5：Power cable 6：Vehicle-mounted cigarette lighter power supply
7：Vehicle OBD data acquisition devices 71：Speed
72：Engine speed 73：Throttle opening
8：Gas flowmeter 9：Fuel tank data sampling sensor
91：Fuel tank hull-skin temperature sensor 92：Temperature sensor in fuel tank
93：Tank pressure sensor 10：Canister
101：Desorption mouth 102：Adsorption orifice
11：Motor intake manifold 12：Fuel tank
13：Fuel tank outer surface 14：Inside fuel tank
Specific embodiment
Fuel system canister of the invention desorption nominal data acquisition system is made in detail with reference to embodiment and accompanying drawing
Describe in detail bright.
As shown in Figure 1 and Figure 2, fuel system canister desorption nominal data acquisition system of the invention, including fired for obtaining
The main control terminal 1 of oil system data, the main control terminal 1 can be using computer etc..Described main control terminal 1 passes through binary channels
CAN cards 2 are connected to the OBDII communication cables 3 of collection vehicle service data and for collection vehicle fuel tank data respectively
Measurement module 4, the power input of described measurement module 4 connects vehicle-mounted cigarette lighter power supply 6 by power cable 5.It is described
The interface of the connection vehicle OBD of OBDII communication cables 3 data acquisition devices 7, the measurement module 4 is connected to connect charcoal respectively
The gas flowmeter 8 of the collection vehicle gas data of tank 10 and the fuel tank data sampling sensor 9 for gathering the data of fuel tank 12.
Described main control terminal 1 is real-time from OBD data acquisition devices 7 by Two Channels CAN card 2 and OBDII communication cables 3
Obtain the data of the speed 71, engine speed 72 and throttle opening 73 of vehicle.
Described gas flowmeter 8 connects the atmospheric air port 103 of canister 10, for obtaining during vehicle operation at atmospheric air port 103
Gas flow at that time.Gas flow at the atmospheric air port 103 of the canister 10 is to be connected by the desorption mouthful 101 of canister 10 respectively
Connect motor intake manifold 11 and fuel tank 12 is connected by the adsorption orifice 102 of canister 10 and obtain.
Described fuel tank data sampling sensor 9 includes the fuel tank hull-skin temperature being arranged on fuel tank outer surface 13
Sensor 91, is arranged on temperature sensor 92 in the fuel tank of fuel tank inside 14, and the fuel tank for being arranged on fuel tank inside 14
Pressure sensor 93.Such as, fuel tank hull-skin temperature sensor 91 is using K-type paster thermocouple collection fuel tank outer surface 13
Temperature, temperature sensor 92 gathers the temperature of fuel tank inside 14 using K-type armoured thermocouple in fuel tank.
Fuel system canister of the invention is desorbed nominal data acquisition system, when vehicle runs regulation operating mode in rotary drum,
Obtain gas flow data at canister atmospheric air port, vehicle OBD interfaces speed and engine speed data, fuel tank surfaces externally and internally
Temperature and pressure data, and by data above confluence analysis calculate, ultimately form unified, specification and portable use
In the data collecting system for obtaining canister desorption demarcation level.The present invention solves how to obtain Fuel System when actual vehicle is operated
The real-time desorption of canister of uniting demarcates level, for main engine plants and detection and mechanism's R＆D work provide means of testing and basic data
Support, it is ensured that main engine plants formulate the verification experimental verification work after the completion of R＆D target and the research and development of follow-up vehicle.
Fuel system canister of the invention is desorbed the specifically used as follows of nominal data acquisition system：
First, fuel system canister of the invention desorption nominal data acquisition system is connected as shown in Figure 2.By master control
Terminal is connected with Two Channels CAN card；First passage of Two Channels CAN card is connected into vehicle OBD numbers using OBDII communication cables
According to the interface of harvester；Second passage of Two Channels CAN card is connected with measurement module；Measurement module is used into power line
Cable is connected to vehicle-mounted cigarette lighter power supply；Gas flowmeter is connected with measurement module；Gas flowmeter is used into pipeline and charcoal
Tank atmospheric air port is connected；Temperature sensor in the fuel tank hull-skin temperature sensor of fuel tank, fuel tank and tank pressure are passed
Sensor is connected with measurement module.
Second, after fuel system canister of the invention desorption nominal data acquisition system connection is finished.Vehicle is moved to
Test on rotary drum and fixedly mounted driver's auxiliary system；Vehicle launch key is switched into power-up state；Main control terminal power supply is beaten
Open and start control program；The vehicle-mounted cigarette lighter power supply powered to measurement module is connected；Main control terminal program start after with
Vehicle OBD data acquisition devices and measurement module are communicated, and related test parameters are configured after success；Rotary drum dynamometer machine and driver
Auxiliary system start running performance curve when, start vehicle motor, while main control terminal proceeds by surveying record data；By
After predetermined Operation Conditions, main control terminal will be from actual car during vehicle OBD data acquisition devices acquisition whole vehicle operating mode
The data parameters such as speed, engine speed and air throttle, main control terminal will from gas flowmeter obtain whole operating mode during charcoal
Gas flow data at tank atmospheric air port, main control terminal will obtain fuel tank outer wall pressure, fuel tank from the three of fuel tank sensors
Interior oil temperature degree and tank internal pressure data.Last main control terminal is by data whole Macro or mass analysis.This data can be used for
Research vehicle demarcates real standard situation in the desorption of predetermined operating mode operation process intermediate fuel oil system canister.
The concrete model of each device employed in the embodiment of the present invention such as table 1.
Table 1
Claims (6)
1. a kind of fuel system canister is desorbed nominal data acquisition system, including for obtaining the main control terminal of fuel system data
(1), it is characterised in that described main control terminal (1) is connected to collection vehicle and operates number respectively by Two Channels CAN card (2)
According to OBDII communication cables (3) and the measurement module (4) for collection vehicle fuel tank data, the OBDII communication cables
(3) interface of connection vehicle OBD data acquisition devices (7), the measurement module (4) is connected to connection canister (10) and adopts respectively
Collect the gas flowmeter (8) and the fuel tank data sampling sensor (9) for gathering fuel tank (12) data of vehicle gas data.
2. fuel system canister according to claim 1 is desorbed nominal data acquisition system, it is characterised in that described master
The vehicle that control terminal (1) is obtained by Two Channels CAN card (2) and OBDII communication cables (3) from OBD data acquisition devices (7)
The data of speed, engine speed and throttle opening.
3. fuel system canister according to claim 1 is desorbed nominal data acquisition system, it is characterised in that described gas
The atmospheric air port (103) of flowmeter body (8) connection canister (10), the gas stream for obtaining atmospheric air port during vehicle operation (103) place
Amount.
4. fuel system canister according to claim 3 is desorbed nominal data acquisition system, it is characterised in that the canister
(10) gas flow at atmospheric air port (103) place is to connect engine charge discrimination by the desorption mouthful (101) of canister (10) respectively
Pipe (11) and adsorption orifice (102) connection fuel tank (12) acquisition for passing through canister (10).
5. fuel system canister according to claim 1 is desorbed nominal data acquisition system, it is characterised in that described oil
Case data sampling sensor (9) includes fuel tank hull-skin temperature sensor (91) being arranged on fuel tank outer surface (13),
It is arranged on temperature sensor (92) in the fuel tank of fuel tank inside (14), and the fuel tank internal pressure for being arranged on fuel tank inside (14)
Force snesor (93).
6. fuel system canister according to claim 1 is desorbed nominal data acquisition system, it is characterised in that described survey
The power input of amount module (4) connects vehicle-mounted cigarette lighter power supply (6) by power cable (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710082498.4A CN106769104B (en) | 2017-02-15 | 2017-02-15 | Fuel system carbon tank desorption calibration data acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710082498.4A CN106769104B (en) | 2017-02-15 | 2017-02-15 | Fuel system carbon tank desorption calibration data acquisition system |
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| Publication Number | Publication Date |
|---|---|
| CN106769104A true CN106769104A (en) | 2017-05-31 |
| CN106769104B CN106769104B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710082498.4A Active CN106769104B (en) | 2017-02-15 | 2017-02-15 | Fuel system carbon tank desorption calibration data acquisition system |
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Cited By (5)
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| CN109209684A (en) * | 2018-08-01 | 2019-01-15 | 上海机动车检测认证技术研究中心有限公司 | A kind of canister desorption detection device |
| CN109269588A (en) * | 2018-10-17 | 2019-01-25 | 奇瑞汽车股份有限公司 | Cubing equipment and measurement method is desorbed in canister |
| CN110793785A (en) * | 2019-11-21 | 2020-02-14 | 中国汽车技术研究中心有限公司 | Test device for calibrating desorption control strategy of automobile activated carbon canister |
| CN113203558A (en) * | 2021-04-30 | 2021-08-03 | 中汽研汽车检验中心（天津）有限公司 | Device and method for diagnosing related faults of carbon tank electromagnetic valve |
| CN114199754A (en) * | 2021-11-17 | 2022-03-18 | 柳州舜泽尔汽车零部件有限公司 | Method for detecting cleanliness of national six-carbon canister of automobile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209684A (en) * | 2018-08-01 | 2019-01-15 | 上海机动车检测认证技术研究中心有限公司 | A kind of canister desorption detection device |
| CN109269588A (en) * | 2018-10-17 | 2019-01-25 | 奇瑞汽车股份有限公司 | Cubing equipment and measurement method is desorbed in canister |
| CN110793785A (en) * | 2019-11-21 | 2020-02-14 | 中国汽车技术研究中心有限公司 | Test device for calibrating desorption control strategy of automobile activated carbon canister |
| CN113203558A (en) * | 2021-04-30 | 2021-08-03 | 中汽研汽车检验中心（天津）有限公司 | Device and method for diagnosing related faults of carbon tank electromagnetic valve |
| CN114199754A (en) * | 2021-11-17 | 2022-03-18 | 柳州舜泽尔汽车零部件有限公司 | Method for detecting cleanliness of national six-carbon canister of automobile |
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| CN106769104B (en) | 2023-10-20 |
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