CN203337393U - Vehicle-borne vehicle test data acquisition system - Google Patents
Vehicle-borne vehicle test data acquisition system Download PDFInfo
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- CN203337393U CN203337393U CN2013204290095U CN201320429009U CN203337393U CN 203337393 U CN203337393 U CN 203337393U CN 2013204290095 U CN2013204290095 U CN 2013204290095U CN 201320429009 U CN201320429009 U CN 201320429009U CN 203337393 U CN203337393 U CN 203337393U
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Abstract
The utility model discloses a vehicle-borne vehicle test data acquisition system. A first analog signal acquisition module and a temperature acquisition module are connected with the corresponding sensors in a test environment information measurement unit, the temperature acquisition module and a second analog signal acquisition module are connected with the corresponding sensors in a vehicle information measurement unit, and vehicle information and test environment information are collected to realize the measurement of an analog signal and a temperature signal. A GPS information measuring unit collects longitude and latitude, vehicle, vehicle acceleration and altitude information. The above collected data is converted into a CAN data packet which is transmitted to a host computer through a CAN bus and a USB to CAN communication module. An ignition power joint provides 12V working voltage for the first analog signal acquisition module, the second analog signal acquisition module, the temperature acquisition module and a GPS information measuring unit. According to the system, the comprehensive collection of test information is realized, the test time is shortened, and the test cost is reduced.
Description
Technical field
The utility model relates to automobile test testing apparatus field, particularly a kind of vehicular automobile experiment data acquisition system (DAS).
Background technology
Test on the actual road test of car load and testing laboratory's chassis dynamometer is that automobile vendor and automobile testing agency carry out the fundamental test method of rating test and check to automobile, by these tests, can improve the properties of automobile and the quality that guarantees automobile.In these trials, experimental enviroment information and car status information are the key factors that affects test findings, by the accurate measurement to these information, can hold better test constantly and to the processing of test findings.
Utility model people, in realizing process of the present utility model, finds in prior art at least to exist following shortcoming and defect:
1) in actual actual road test, also there is no at present a kind of acquisition system that can measure much informations such as comprising environment and information of vehicles, and the purpose of each actual road test may be different, such as: air conditioning test, cold start-up test, power performance test and oil consumption emission testing etc., need the information of measurement also different, therefore, each test need to be carried multiple different instrument and be measured respectively different information.
2) carry out chassis dynamometer when test in testing laboratory, the instrument in testing laboratory can only measure portion information due to limit of functions, and some information that need to measure need to use other multiple instruments to be measured.Once in experiment, use multiple instrument, will cause instrumentation trouble, test setup time length, test figure to integrate and process the problem of trouble and experimentation cost.
The utility model content
The utility model provides a kind of vehicular automobile experiment data acquisition system (DAS), and the utility model has been realized the comprehensive collection to Test Information, has shortened test period, has reduced experimentation cost, described below:
A kind of vehicular automobile test data acquisition system, comprise: the USBtoCAN communication module, described USBtoCAN communication module is connected with host computer by USB interface, by the CAN bus, with the first collection of simulant signal module, the second collection of simulant signal module, temperature collect module and GPS information measurement unit, is connected;
Respective sensor in described the first collection of simulant signal module and described temperature collect module joint test environmental information measuring unit, described temperature collect module is connected the respective sensor in the information of vehicles measuring unit, the measurement of collection vehicle information and experimental enviroment information realization simulating signal and temperature signal with described the second collection of simulant signal module; Described GPS information measurement unit pair warp and weft degree, vehicle, vehicle acceleration and sea level elevation information;
The above-mentioned data that collect all are converted to the CAN packet, by described CAN bus and described USBtoCAN communication module, transfer to described host computer; Wherein, described the first collection of simulant signal module, described the second collection of simulant signal module, described temperature collect module and described GPS information measurement unit provide the 12V operating voltage by the cigar lighter power connection.
Described Multipurpose vehicle-mounted automobile test data acquisition system also comprises: the system data control displayer,
Described CAN packet by described USBtoCAN communication module and described CAN bus transfer to described system data control displayer.
Described experimental enviroment information measurement unit comprises: the wind transducer, air velocity transducer, barometric pressure sensor, ambient humidity sensor and the intensity of illumination sensor that connect described the first collection of simulant signal module; The environment temperature sensor that connects described temperature collect module.
Described barometric pressure sensor, described environment temperature sensor and described ambient humidity sensor all are arranged in thermometer screen.
Described information of vehicles measuring unit comprises: the lambda sensor, throttle position switch, engine speed sensor, air inlet pressure sensor and the throttle position sensor that connect described the second collection of simulant signal module; The cooling-water temperature transmitter, oil temperature sensor and the exhaust gas temperature sensor that connect described temperature collect module; Wherein, described engine speed sensor is clipped on arbitrary cylinder spark-plug cable of engine.
Described engine speed sensor adopts pulse induction formula sensor; Described exhaust gas temperature sensor is K type thermopair; Described throttle position switch is stay-supported type displacement sensor.Described stay-supported type displacement sensor is arranged on the sensor stand in pilothouse, and described sensor stand is fixed on instrument panel and cab floor.
Described GPS information measurement unit comprises: gps antenna and gps data processing module, described gps antenna is measured the speed of a motor vehicle, distance travelled, vehicle acceleration, longitude and latitude and sea level elevation information, and transfer to described gps data processing module, described gps data processing module receives information, and be converted into corresponding CAN packet, transfer to described host computer by described CAN bus and described USBtoCAN communication module.
Described the first collection of simulant signal module, described collection of simulant signal module, described temperature collect module and described gps data processing module all are arranged in the shockproof bubble chamber of aluminum on automobile.
The beneficial effect of the technical scheme that the utility model provides is: the native system utility model is by temperature collect module, first, second collection of simulant signal module and gps data processing module, collect comprehensive information of vehicles, can meet the different tests demand of different tests, different user, realize multiduty design object.Can accurately measure the experimental enviroment information such as atmospheric pressure, ambient temperature and humidity, wind speed, wind direction and intensity of illumination by native system; Can accurately measure the car load running state information such as engine speed, coolant temperature, oxygen sensor voltage, engine exhaust temperature, accelerator pedal position and oil temperature; The GPS information such as residing longitude and latitude and height above sea level when accurately measuring vehicle is tested.By the measurement to above-mentioned vehicle test comprehensive information, testing crew can be held test condition and the test moment better, makes test findings more accurate, accurately measures in real time the multiple Test Information of storage, also is convenient to the follow-up data processing of testing crew and revises; In addition, by using native system, can fully simplify test apparatus system in the past, do not need to carry simultaneously and handle the multiple test apparatuses such as atmospherium, navigating instrument and vehicle data recorder during test, simplify process of the test, saved test period, reduced experimentation cost.
The accompanying drawing explanation
Fig. 1 is the formation block diagram of vehicular automobile experiment data acquisition system (DAS);
Fig. 2 is the concrete structure schematic diagram of vehicular automobile experiment data acquisition system (DAS).
Shown in accompanying drawing, components listed is listed as follows:
1: host computer; The 2:USBtoCAN communication module;
3: the shockproof bubble chamber of aluminum; 4: the first collection of simulant signal modules;
5: the second collection of simulant signal modules; 6: temperature collect module;
The 7:GPS data processing module; 8: postprocessor of automobile tail gas;
9: exhaust gas temperature sensor; 10: lambda sensor;
11: sensor stand; 12: throttle position switch;
13: gas pedal; 14: the cigar lighter power connection;
15: engine; 16: engine speed sensor;
17: air inlet pressure sensor; 18: throttle position sensor;
19: cooling-water temperature transmitter; 20: oil temperature sensor;
21: the system data control displayer; The 22:GPS antenna;
23: wind transducer; 24: air velocity transducer;
25: barometric pressure sensor; 26: the ambient humidity sensor;
27: environment temperature sensor; 28: the intensity of illumination sensor.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Many reasons based on describing in background technology, need actual development to go out a kind of Multipurpose vehicle-mounted automobile test data acquisition system.This system can be carried out Function Extension, only need the sensor of selecting test required before test, and carry out some parameter settings in software, just can complete various roads and testing laboratory's chassis dynamometer test, a tractor serves several purposes, and can the test figure unification in single test be gathered, show and store, simplify instrumentation and data handling procedure.
Referring to Fig. 1 and Fig. 2, a kind of vehicular automobile test data acquisition system comprises: USBtoCAN communication module 2, USBtoCAN communication module 2 is connected with host computer 1 by USB interface, by the CAN bus, with the first collection of simulant signal module 4, the second collection of simulant signal module 5, temperature collect module 6, with GPS information measurement unit C, is connected;
Respective sensor in the first collection of simulant signal module 4 and temperature collect module 6 joint test environmental information measuring unit A, temperature collect module 6 is connected the respective sensor in information of vehicles measuring unit B with the second collection of simulant signal module 5, the measurement of collection vehicle information and experimental enviroment information realization simulating signal and temperature signal;
GPS information measurement unit C pair warp and weft degree, vehicle, vehicle acceleration and sea level elevation information;
The above-mentioned data that collect all are converted to the CAN packet, by CAN bus and USBtoCAN communication module 2, transfer to host computer 1.Wherein, the first collection of simulant signal module 4, the second collection of simulant signal module 5, temperature collect module 6 and GPS information measurement unit C provide the 12V operating voltage by cigar lighter power connection 14.
During specific implementation, the first collection of simulant signal module 4, the second collection of simulant signal module 5, temperature collect module 6 and gps data processing module 7 all comprise two CAN FPDP, one is CAN data receiver port, one is CAN data sending terminal mouth, thereby can use the CAN bus that a plurality of modules are connected, and be connected to a CAN interface of USBtoCAN communication module 2, form the CAN data channel, realize the exchanges data with the first collection of simulant signal module 4, the second collection of simulant signal module 5, temperature collect module 6 and GPS information measurement unit C; Another CAN interface of USBtoCAN communication module 2 is connected to the USB port of host computer 1, the exchanges data between realization and host computer 1.The first collection of simulant signal module 4, the second collection of simulant signal module 5 and temperature collect module 6 are all eight passage acquisition modules.
In host computer 1, data acquisition software is installed, this data acquisition software calls the driver of USBtoCAN communication module 2, read the various measurement data (being the CAN packet) that USBtoCAN communication module 2 transmits, at the enterprising line number word of computer screen, show or the figure demonstration, simultaneously, by the measurement data real-time storage on computer hard disc.
Further, in order to allow the driver understand test parameters, test parameters can also be passed through to USBtoCAN communication module 2 and CAN bus transfer to system data control displayer 21, the grasp test parameters that the driver just can be real-time like this.
During specific implementation, experimental enviroment information measurement unit A is mainly used to measure the environmental parameter of test vehicle, in order to tested according to predefined test condition on testing crew confirmed test more accurately opportunity.This measuring unit comprises: these five sensors of wind transducer 23, air velocity transducer 24, barometric pressure sensor 25, ambient humidity sensor 26 and intensity of illumination sensor 28(that connect the first collection of simulant signal module 4 are outputting analog signal all); The environment temperature sensor 27 that connects temperature collect module 6.
Further, for the signal that makes measurement is more accurate, barometric pressure sensor 25, ambient humidity sensor 26 and environment temperature sensor 27 all are arranged in thermometer screen.
During specific implementation, information of vehicles measuring unit B is mainly measured the running state information of car load with a plurality of sensors, in order to understand in real time vehicle-state, comprising: the lambda sensor 10, throttle position switch 12, engine speed sensor 16, air inlet pressure sensor 17 and the throttle position sensor 18 that connect the second collection of simulant signal module 5; The exhaust gas temperature sensor 9, cooling-water temperature transmitter 19 and the oil temperature sensor 20 that connect temperature collect module 6.Engine speed sensor 16 is clipped on arbitrary cylinder spark-plug cable of engine, and engine 15 is often goed around and just can be produced a high-voltage pulse, and the umber of pulse by measuring unit in the time can be measured the rotating speed of engine 15.
Wherein, the sensor that lambda sensor 10, air inlet pressure sensor 17, throttle position sensor 18, cooling-water temperature transmitter 19 and oil temperature sensor 20 are vehicle self-carrying, engine speed sensor 16 adopts pulse induction formula sensor.Exhaust gas temperature sensor 9 is K type thermopair, is preferably mounted on the gas outlet in 1 centimetre, postprocessor of automobile tail gas 8 the place ahead; Throttle position switch 12 is stay-supported type displacement sensors, be arranged on the sensor stand 11 in pilothouse, this sensor stand 11 is fixed on instrument panel and cab floor, and the bracing wire of throttle position switch 12 is connected on gas pedal 13 by a hook.
During specific implementation, GPS information measurement unit C is mainly used to measure the information that GPS is relevant, comprise the GPS information such as the speed of a motor vehicle, distance travelled, vehicle acceleration, longitude and latitude and sea level elevation, this unit is comprised of gps antenna 22 and gps data processing module 7, gps data processing module 7 is connected on the CAN bus of system, receive GPS information by gps antenna 22, and corresponding GPS information is converted into to the CAN packet, then, by CAN bus and USBtoCAN communication module 2 by the CAN data packet transmission to host computer 1.
Further, in order to play shockproof and Anti-Jamming, the first collection of simulant signal module 4, the second collection of simulant signal module 5, temperature collect module 6 and gps data processing module 7 all are arranged in the shockproof bubble chamber 3 of aluminum on automobile.
This example is owing to having adopted polytype sensor and data acquisition module, to adapt to the sampling rate requirement of unlike signal, so the sample frequency of these sensors and data acquisition module there are differences.Gps signal in system and temperature signal are slower owing to changing, do not need too fast acquisition rate, in system, its sample frequency is set as to 10Hz, and the simulating signal in system itself changes comparatively fast, need high sample frequency, the highest 100Hz that is set as of its sample frequency can be adjusted at 10Hz it during actual tests as required in the scope of 100Hz.The test figure collected for different sample frequency, it is benchmark that host computer 1 can be take the high data of sample frequency, by the sampling time, all data is integrated.For example: for a sampling time point, the data of only having the high sampling rate signal, the data that there is no corresponding low sampling rate signal, just allow the data of low sampling rate signal of this point equal the data of the last sampling time point of low sampling rate signal in sampling time, thereby make the data volume of final different sampling rate signals identical, convenient storage.
Before using the utility model vehicular automobile experiment data acquisition system (DAS), the startup vehicle is system power supply, opens each submodule of host computer 1 automatic search, and after having searched for, system will enter automatically to be measured and the data monitoring state.If need to reset the sample frequency of signal, the software in need use host computer 1 is arranged the sample frequency of respective signal, simultaneously, uses host computer 1 also can carry out figure demonstration, monitoring and preservation to data.
Table 1 sensor and data acquisition module model list
| Sequence number | | Function | Range | |
| 1 | Gps |
Collect, process gps signal | ? | |
| 2 | Temperature collect module 6 | Collecting temperature |
8 passages |
| 3 | Collection of |
Gather the analog |
8 |
| 4 | Exhaust |
Measure engine exhaust temperature | 0～1100℃ |
| 6 | Lambda |
Measure excess air coefficient | 0～3 |
| 7 | Cigar lighter power supply tap 14 | Power supply is provided | |
| 8 | |
Survey rotating speed by inductive impulse | 0～ |
| 9 | |
Measure throttle opening | 0～100% |
| 10 | Air |
Measure admission pressure | 0～ |
| 11 | Cooling- |
Measure engine coolant temperature | -40～100 |
| 12 | |
The measuring machine oil temperature | -40～120℃ |
| 13 | System |
Data show and monitoring | ? |
| 14 | |
Measure the speed of a motor vehicle, distance and height above sea level etc. | ? |
| 15 | |
Measure wind direction | 0～360° |
| 16 | |
Measuring wind | 0～45m/ |
| 17 | |
Measure |
10～ |
| 18 | |
Measures ambient temperature | -50～100 |
| 19 | |
Measures ambient humidity | 0～100% |
| 20 | Intensity of |
Measure intensity of illumination | 0～2000W／ |
| 21 | Data acquisition software | Parameters, gather and save data | ? |
| 22 | |
Measure throttle position | 0～100% |
| 23 | USBtoCAN |
Data communication | ? |
During specific implementation, the utility model embodiment does not limit the model of above-mentioned device, as long as can complete any device of above-mentioned functions, all can.
In sum, by native system, realize the comprehensive collection to Test Information, shortened test period, reduced experimentation cost, met the changeable actual demand of parameter.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a vehicular automobile test data acquisition system, comprise: the USBtoCAN communication module, it is characterized in that, described USBtoCAN communication module is connected with host computer by USB interface, by the CAN bus, with the first collection of simulant signal module, the second collection of simulant signal module, temperature collect module and GPS information measurement unit, is connected;
Respective sensor in described the first collection of simulant signal module and described temperature collect module joint test environmental information measuring unit, described temperature collect module is connected the respective sensor in the information of vehicles measuring unit, the measurement of collection vehicle information and experimental enviroment information realization simulating signal and temperature signal with described the second collection of simulant signal module; Described GPS information measurement unit pair warp and weft degree, vehicle, vehicle acceleration and sea level elevation information;
The above-mentioned data that collect all are converted to the CAN packet, by described CAN bus and described USBtoCAN communication module, transfer to described host computer; Wherein, described the first collection of simulant signal module, described the second collection of simulant signal module, described temperature collect module and described GPS information measurement unit provide the 12V operating voltage by the cigar lighter power connection.
2. a kind of vehicular automobile test data acquisition system according to claim 1, is characterized in that, described vehicular automobile test data acquisition system also comprises: the system data control displayer,
Described CAN packet by described USBtoCAN communication module and described CAN bus transfer to described system data control displayer.
3. a kind of vehicular automobile test data acquisition system according to claim 1, it is characterized in that, described experimental enviroment information measurement unit comprises: the wind transducer, air velocity transducer, barometric pressure sensor, ambient humidity sensor and the intensity of illumination sensor that connect described the first collection of simulant signal module; The environment temperature sensor that connects described temperature collect module.
4. a kind of vehicular automobile test data acquisition system according to claim 3, is characterized in that, described barometric pressure sensor, described environment temperature sensor and described ambient humidity sensor all are arranged in thermometer screen.
5. a kind of vehicular automobile test data acquisition system according to claim 1, it is characterized in that, described information of vehicles measuring unit comprises: the lambda sensor, throttle position switch, engine speed sensor, air inlet pressure sensor and the throttle position sensor that connect described the second collection of simulant signal module; The cooling-water temperature transmitter, oil temperature sensor and the exhaust gas temperature sensor that connect described temperature collect module; Wherein, described engine speed sensor is clipped on arbitrary cylinder spark-plug cable of engine.
6. a kind of vehicular automobile test data acquisition system according to claim 5, is characterized in that, described engine speed sensor adopts pulse induction formula sensor; Described exhaust gas temperature sensor is K type thermopair; Described throttle position switch is stay-supported type displacement sensor.
7. a kind of vehicular automobile test data acquisition system according to claim 6, is characterized in that, described stay-supported type displacement sensor is arranged on the sensor stand in pilothouse, and described sensor stand is fixed on instrument panel and cab floor.
8. a kind of vehicular automobile test data acquisition system according to claim 1, is characterized in that, described GPS information measurement unit comprises: gps antenna and gps data processing module,
Described gps antenna is measured the speed of a motor vehicle, distance travelled, vehicle acceleration, longitude and latitude and sea level elevation information, and transfers to described gps data processing module; Described gps data processing module receives information, and is converted into corresponding CAN packet, by described CAN bus and described USBtoCAN communication module, transfers to described host computer.
9. a kind of vehicular automobile test data acquisition system of stating according to Claim 8, it is characterized in that, described the first collection of simulant signal module, described the second collection of simulant signal module, described temperature collect module and described gps data processing module all are arranged in the shockproof bubble chamber of aluminum on automobile.
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| CN2013204290095U CN203337393U (en) | 2013-07-17 | 2013-07-17 | Vehicle-borne vehicle test data acquisition system |
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| CN2013204290095U CN203337393U (en) | 2013-07-17 | 2013-07-17 | Vehicle-borne vehicle test data acquisition system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977877A (en) * | 2015-05-29 | 2015-10-14 | 大连楼兰科技股份有限公司 | Automobile dashboard data acquisition device |
| CN105852211A (en) * | 2016-05-04 | 2016-08-17 | 重庆市合川区金星玻璃制品有限公司 | Ashtray cigarette lighting method |
| CN107702848A (en) * | 2017-10-25 | 2018-02-16 | 北京航天发射技术研究所 | A kind of sensor online calibration method in special purpose vehicle |
-
2013
- 2013-07-17 CN CN2013204290095U patent/CN203337393U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977877A (en) * | 2015-05-29 | 2015-10-14 | 大连楼兰科技股份有限公司 | Automobile dashboard data acquisition device |
| CN104977877B (en) * | 2015-05-29 | 2018-08-31 | 大连楼兰科技股份有限公司 | Automobile instrument panel data collector |
| CN105852211A (en) * | 2016-05-04 | 2016-08-17 | 重庆市合川区金星玻璃制品有限公司 | Ashtray cigarette lighting method |
| CN107702848A (en) * | 2017-10-25 | 2018-02-16 | 北京航天发射技术研究所 | A kind of sensor online calibration method in special purpose vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20190717 |