CN2733335Y - Vehicle-mounted device for testing vehicle running behavior - Google Patents
Vehicle-mounted device for testing vehicle running behavior Download PDFInfo
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- CN2733335Y CN2733335Y CN 200420029619 CN200420029619U CN2733335Y CN 2733335 Y CN2733335 Y CN 2733335Y CN 200420029619 CN200420029619 CN 200420029619 CN 200420029619 U CN200420029619 U CN 200420029619U CN 2733335 Y CN2733335 Y CN 2733335Y
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- vehicle
- combination property
- oil consumption
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- registering instrument
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Abstract
The utility model discloses a vehicle-mounted test device for testing vehicle mounted running behaviors, comprising a speed sensor, a tracking filter, an oil consumption meter, an oil consumption transient state gauge and a reproducing equipment. The utility model is also provided with an automobile combination property recorder and the tracking filter is provided between the automobile combination property recorder and the speed sensor while the oil consumption transient state gauge is provided between the automobile combination property recorder and the oil consumption meter. The automobile combination property recorder comprises a main control unit, an A/D module converting unit connected with the main control unit, a frequency regulation unit, a storage unit, a communication data interface, a temperature regulation unit and a flow interface converting unit. The utility model principally measures the running speed, the engine speed and the oil consumption of the test vehicle and the real-time display of the running speed and oil consumption of vehicles at high frequency can ensure data conforming with destination behaviors. As the accurate and reliable utility model is easy to mount and use, it can conveniently detect the power performance and the fuel economy of the vehicles in preset running behaviors.
Description
Technical field
The utility model relates to a kind of vehicle-mounted proving installation of vehicle driving-cycle proving installation, particularly vehicle driving-cycle, is suitable for the real road test of various vehicles, can finish the pilot project that inconvenience is finished in the testing laboratory.
Background technology
The dynamic property of vehicle and fuel economy test great majority are realized in testing laboratory.Vehicle is simulated real road and is travelled according to standard condition on chassis dynamometer, use special instrument record Vehicle Speed, fuel consume and pollutant emission etc., analyzes the performance of vehicle with this.Because the restriction of test condition, be difficult to realize for the test of heavy vehicle.
In the prior art, fuel consume is measured and is divided two kinds of approach, and a kind of chassis dynamometer that utilizes in testing laboratory is finished, and can realize the test to the predetermined driving cycle of light vehicle; Another is on the road of testing field, and the measuring vehicle constant-speed fuel economy then can not be finished for the operating mode oil consumption test of complexity.Before the test shop experiment, at first set the parameters of chassis dynamometer, tested vehicle simulation road vehicle running environment, on chassis dynamometer, move according to a certain default driving cycle, utilize corresponding analytical equipment to finish mensuration, as shown in Figure 1 to vehicle power and fuel economy.Obviously, this test is suitable for special test place, can not realize the driving cycle test on the real road.
The utility model content
Technical problem to be solved in the utility model is to overcome deficiency of the prior art, provides a kind of and can sail the vehicle-mounted proving installation of vehicle driving-cycle of working condition tests in the enterprising every trade of real road.
For solving the problems of the technologies described above, the vehicle-mounted proving installation of vehicle driving-cycle of the present utility model comprises speed pickup, fuel consumption meter and driving cycle representing device.Described device is provided with vehicle combination property registering instrument, vehicle combination property registering instrument is connected with described driving cycle representing device with engine rotational speed signal respectively, be provided with tracking filter between vehicle combination property registering instrument and the described speed pickup, be provided with oil consumption flow transient state meter between vehicle combination property registering instrument and the described fuel consumption meter; Described oil consumption flow transient state meter is integrated by interface circuit, sequential decision circuitry and pulse frequency multiplier circuit; Described vehicle combination property registering instrument is made up of main control unit and the AD conversion unit A/D that is connected with main control unit, frequency conditioning unit, memory cell, communication data interface, temperature conditioning unit and flow interface conversion unit; Described main control unit is used to dispatch, the finishing of coordination of tasks, and to storage, processing and the analysis of test data, described data communication interface is used for the telemonitoring of data acquisition, simultaneously the interface of deriving as data.
Compared with prior art, the utlity model has following beneficial effect: the utility model has solved owing to the test indoor equipment lacks and has caused the large-tonnage vehicle can't measure the fuel consume problem of setting under the operating mode.The parameters such as speed, engine speed and oil consumption of the main experiment with measuring vehicle ' of the utility model, can show that in real time Vehicle Speed guarantees to conform to target operating condition with high-frequency, accurately reliable, install and use succinctly, thereby can detect dynamic property and the fuel economy of setting vehicle under the driving cycle easily.
Description of drawings
Fig. 1 is the test macro of conventional truck driving cycle;
Fig. 2 is system's pie graph of the vehicle-mounted proving installation of the utility model vehicle driving-cycle;
Fig. 3 is the oil consumption flow transient state meter pie graph of the vehicle-mounted proving installation of the utility model vehicle driving-cycle;
Fig. 4 is the vehicle combination property logging recorder system pie graph of the vehicle-mounted proving installation of the utility model vehicle driving-cycle;
Fig. 5 is tracking software interface figure of the present utility model;
Embodiment
Below in conjunction with embodiment the utility model is described in detail.
As shown in Figure 2, the vehicle-mounted proving installation of vehicle driving-cycle of the present utility model comprises speed pickup, fuel consumption meter and driving cycle representing device.Described device is provided with vehicle combination property registering instrument, vehicle combination property registering instrument is connected with described driving cycle representing device with described engine rotational speed signal respectively, be provided with tracking filter between vehicle combination property registering instrument and the described speed pickup, be provided with oil consumption flow transient state meter between vehicle combination property registering instrument and the described fuel consumption meter.Described oil consumption flow transient state meter is integrated by interface circuit, sequential decision circuitry and pulse frequency multiplier circuit, sees Fig. 3, and among Fig. 3,1,2 for the signal input, comes from fuel consumption meter, and 3 is ground wire.Described vehicle combination property registering instrument is made up of main control unit and the AD conversion unit A/D that is connected with main control unit, frequency conditioning unit, memory cell, communication data interface, temperature conditioning unit and flow interface conversion unit, sees Fig. 4.Described main control unit is used to dispatch, the finishing of coordination of tasks, and to storage, processing and the analysis of test data, described data communication interface is used for the telemonitoring of data acquisition, simultaneously the interface of deriving as data.
Each Elementary Function of vehicle combination property registering instrument is as follows: main control unit: central processing unit is controlled each parts work; The AD converting unit: 16 tunnel 12 analog quantity digitizings are converted to digital signal for computing machine with analog input signal; Frequency conditioning unit: five road frequency period unit, test frequency signal such as rotating speed, the speed of a motor vehicle, flow etc.; Memory cell: record data and program element are the Flash dish; Data-interface: and confession transmits data and acquisition parameter is set, the use of 485 confession temperature conditioners, uses such as RS232 confession data output; Power supply unit: will import power source transition and be the inner power supply that uses; Temperature conditioning unit: the conditioning of thermocouple sensor output signal is supplied Computer Processing for digital signal; Flow interface conversion unit: be connected with inlet flow rate instrument output interface and be converted to standard-frequency signal.
Oil consumption flow transient state meter is connected to the fuel consumption meter rear side, and the output signal of fuel consumption meter is optimized processing.Its funtion part is as follows: interface circuit: the fuel consumption meter output signal of reforming; Sequential is judged: 1,2 liang of pulse sequence is judged in test, current 1 pulse of output when leading; Pulse frequency multiplication: double pulse output number and improve the test dynamic accuracy.
The OES-II type non-contact optoelectronic sensor that speed pickup adopts adopts special bulk silicon photoelectric device to make detector.During use instrument is installed in vehicle outer side, alignment lens is used the ground of light lumine.During running car, the mixed and disorderly decorative pattern in ground is through optical system imaging and scanned silicon photoelectric device, and behind opto-electronic conversion and spatial filtering, sensor is only exported the random narrow-band sine wave signal, and the frequency of signal is directly proportional with running speed.OES-II sensor technology index is as follows: output waveform: sine wave; Output signal voltage:＞0.1Vp-p; Side speed scope: 0.5～250 kilometer/hour; Respective frequencies: 35Hz～17.5KHz; Cycle equivalent: 4mm/1 cycle; Illuminating lamp power: DC12V, 55W; Optical system visual field: 50mm * 60mm; Operating distance: illuminating lamp is about 600mm apart from ground, and the detecting head front end is about 500mm apart from ground; Discrepancy in elevation influence: operating distance in 500 ± 100mm, measuring error＜0.2%; Other function: the output of white line signal is arranged; Dimensional weight: 86mm * 94mm * 260mm weighs 2.5 kilograms.
It is independent can device that tracking filter adopts TRF type band-pass tracking filter, place outside the cabinet, can after connect data acquisition unit, computer or other secondary instrument and use.The signal of sensor output after band-pass tracking filter filtering of TRF type and shaping, is converted to standard TTL pulse output, a segment distance of passing by in the relative ground of the strict corresponding automobile of each pulse.To just can show running speed, distance, acceleration and elapsed time in real time after output signal process counting and the MICROCOMPUTER PROCESSING, and data can be stored and printed.TRF-II type tracking filter the key technical indexes: tracking bandwidth: 25HZ～20KHZ; Tracking velocity:＞1.0G; Signal output 1:4mm/1 pulse is with TTL compatible; Signal output 2:10mm/1 pulse is with TTL compatible; White line output: positive pulse, with TTL compatible; Supply voltage: V
DD+ 5V, I
DD0.3A; Size: 134mm * 66mm * 27mm.
Fuel consume when fuel consumption meter is used for measuring vehicle and travels, the signal of its generation is sent into vehicle combination property registering instrument after the optimization of oil consumption flow transient state meter.Fuel consumption meter is made up of the FLOWTRONIC4705 that realizes measurement function and the FLOWTRONIC206-207 of Presentation Function.FLOWTRONIC4705 is by a kind of high precision of QUICKLYAG production, the flowmeter of high reliability, it has that volume is little, in light weight, usable range is wide and advantage such as easy to connect, is applicable to the oil consumption test of carburetor engine, EFI formula engine and diesel motor.FLOWTRONIC 4705 fits together spraying plug heat exchange unit and flowmeter, and it is convenient and quick to make the internal combustion engine oil consumption measure.Whole device just in time can be placed on driver's pin next door, links together by polyamide hose and engine.So just can measure the amount of fuel that car enters engine by the variable pressure adjuster and the heat exchange unit of this device.
FLOWTRONIC206-207 is a kind of motive wave drive test test instrument that Switzerland QUICKLY AG produces, and has profile and strong functions flexibly.It has 8 cover programs, under the situation that is fit to the Chinese automobile testing standard, to satisfy conventional test mission, as automobile acceleration test, travel speed test, brake test and fuel consume test etc.
FLOWTRONIC4705 and FLOWTRONIC206-207 realize the fuel consume test of tested vehicle fully.In order to obtain instantaneous fuel consumption values, developed oil consumption flow transient state meter specially, according to the frequency setting instantaneous measurement vehicle fuel consume of registering instrument.
Vehicle combination property registering instrument is the signals collecting register instrument that is used for vehicle of special exploitation, it can be networked with microcomputer (portable machine or notebook), with dedicated telephone line microcomputer (portable machine or notebook) parallel port is connected with the registering instrument communication port, realizes data transmission.Combine with following the tracks of software, can be so that registering instrument be operated in the speed Tracking state.The registering instrument the key technical indexes is as follows: 16 tunnel 12 A/D inputs of analog input channel (0～+ 5V); 1 road sinusoidal wave input 4 road TTL/CMOS input of digital input channel 5 tunnel 16 digit counters; Temperature channel 8 tunnel (T, J, K thermopair) (1) power supply direct current 10～15V＜12W; Sweep limit 0.01～600 second.
The driving cycle representing device is used for the demonstration of garage's state and the tracking of travelling, and is carried by notebook computer.In the time of the test vehicle operation, each road signal is sent into vehicle combination property registering instrument, and these signals are sent into notebook through the RS232 transmission line again and shown in real time.The tracking software of using in the computer is the special exploitation of this kind test, and the interface as shown in Figure 5.
Realize speed Tracking according to speed of displaying curve on the notebook computer.Software is followed the tracks of in several standard driving cycle data importings commonly used, just can be obtained two red color range lines as shown in Figure 5.What show among the figure is interface when prepare following the tracks of European NEDC driving cycle.During vehicle ', real-time speed point can form blue color dot line, with reference to this curve, it is fallen in the red color range line by the driver as far as possible, has promptly realized following the tracks of on the similar chassis dynamometer performance curve situation.
After the off-test, in vehicle combination property registering instrument and tracking software, all store the process of the test data,, can finally finish the road running mode test through analyzing and processing to these data.
Claims (1)
1. vehicle-mounted proving installation of vehicle driving-cycle, comprise speed pickup, fuel consumption meter and driving cycle representing device, it is characterized in that, described device is provided with vehicle combination property registering instrument, vehicle combination property registering instrument is connected with described driving cycle representing device with engine rotational speed signal respectively, be provided with tracking filter between vehicle combination property registering instrument and the described speed pickup, be provided with oil consumption flow transient state meter between vehicle combination property registering instrument and the described fuel consumption meter; Described oil consumption flow transient state meter is integrated by interface circuit, sequential decision circuitry and pulse frequency multiplier circuit; Described vehicle combination property registering instrument is made up of main control unit and the AD conversion unit A/D that is connected with main control unit, frequency conditioning unit, memory cell, communication data interface, temperature conditioning unit and flow interface conversion unit; Described main control unit is used to dispatch, the finishing of coordination of tasks, and to storage, processing and the analysis of test data, described data communication interface is used for the telemonitoring of data acquisition, simultaneously the interface of deriving as data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420029619 CN2733335Y (en) | 2004-08-25 | 2004-08-25 | Vehicle-mounted device for testing vehicle running behavior |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420029619 CN2733335Y (en) | 2004-08-25 | 2004-08-25 | Vehicle-mounted device for testing vehicle running behavior |
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| CN2733335Y true CN2733335Y (en) | 2005-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420029619 Expired - Fee Related CN2733335Y (en) | 2004-08-25 | 2004-08-25 | Vehicle-mounted device for testing vehicle running behavior |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915670A (en) * | 2010-07-17 | 2010-12-15 | 中国重汽集团大同齿轮有限公司 | Vehicle-mounted road test device for AMT automatic transmission of heavy-duty automobile |
| CN102564512A (en) * | 2011-12-31 | 2012-07-11 | 北京中科微电子技术有限公司 | Method and device for obtaining real-time oil consumption of automotive vehicle |
| CN104515563A (en) * | 2013-09-29 | 2015-04-15 | 天津台信检测技术有限公司 | System for measuring fuel consumption of automobile |
| CN110310475A (en) * | 2019-04-23 | 2019-10-08 | 同济大学 | A kind of method and apparatus of the acquisition of vehicle driving-cycle, processing |
-
2004
- 2004-08-25 CN CN 200420029619 patent/CN2733335Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915670A (en) * | 2010-07-17 | 2010-12-15 | 中国重汽集团大同齿轮有限公司 | Vehicle-mounted road test device for AMT automatic transmission of heavy-duty automobile |
| CN102564512A (en) * | 2011-12-31 | 2012-07-11 | 北京中科微电子技术有限公司 | Method and device for obtaining real-time oil consumption of automotive vehicle |
| CN104515563A (en) * | 2013-09-29 | 2015-04-15 | 天津台信检测技术有限公司 | System for measuring fuel consumption of automobile |
| CN110310475A (en) * | 2019-04-23 | 2019-10-08 | 同济大学 | A kind of method and apparatus of the acquisition of vehicle driving-cycle, processing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |