CN207248426U - Automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation - Google Patents
Automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation Download PDFInfo
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- CN207248426U CN207248426U CN201721320501.3U CN201721320501U CN207248426U CN 207248426 U CN207248426 U CN 207248426U CN 201721320501 U CN201721320501 U CN 201721320501U CN 207248426 U CN207248426 U CN 207248426U
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- chassis dynamometer
- analyte detection
- exhaust pollution
- automobile environment
- protection exhaust
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 239000012491 analyte Substances 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 title claims abstract description 13
- 239000013078 crystal Substances 0.000 claims abstract description 19
- 238000012360 testing method Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000356 contaminant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 2
- 238000012372 quality testing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241001274660 Modulus Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 239000006185 dispersion Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- 238000004088 simulation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
It the utility model is related to a kind of automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation.The utility model includes speed measuring device, torque force measuring device, microcontroller crystal oscillator and hardware calibration module, PC machine.The utility model can be carried out at the same time collection to automobile environment-protection exhaust pollution analyte detection with the roller speed of service of chassis dynamometer, torsion, the calculating of Specifications be carried out by PC machine, and can compare with the numerical value of its own detection, calibrate automatically.
Description
Technical field
It the utility model is related to a kind of automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation.
Background technology
With the high speed development of Domestic Automotive Industry, China's motor vehicle yield and ownership increase rapidly in recent years, the whole nation
The continuous expansion of vehicle fleet, incident Dispersion Characteristics of Vehicular Pollutant Within is into some metropolitan first big air pollutions
Source, is directly related to people's life's health.The whole nation starts progressively to the tail gas exhaust contaminant mark of European No. IV motor vehicle
Quasi- transition, with《The Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution》Promulgation, for environmentally friendly exhaust contaminant measure country hair
Cloth GB 18285-2005《Spark-ignition engine automobile exhaust contaminant exhaust contaminant limit value and measuring method》, give
Spark-ignition engine steady state condition method（ASM）, simple transient behavior method (VMAS) test method.GB 3847-2005《Automobile-used pressure
Combustion engine and compression ignition engine automobile exhaust smoke exhaust contaminant limit value and measuring method》, give compression-ignited hair
Motivation automobile lug down method（Lug-Down）Detection method.When loading measures Vehicle Emission Pollution thing index, automobile is used
Environmentally friendly exhaust pollution analyte detection come the different vehicle operating condition of loading simulation, that is, simulates different standard solids with chassis dynamometer
Source, at the same time records the exhaust emissions under different operating modes by gas analyzer.And automobile environment-protection exhaust pollution quality testing
Survey loads power levels with chassis dynamometer and is not allowed, and operating condition method is accurate inaccurate, that is, power, speed, " precisely fitting " standard of time loaded
It is inaccurate, accurately dynamic measuring can only be realized by the on-line loaded coast down calibration of comprehensive technical indexes, these is integrated skill
Art index meets the requirement of national standard and metering technology normalized, meets national standard, the environment protection emission detection system of code requirement
The high accuracy of system and static, dynamic measuring detection.
The measurement technology rule of magnitude tracing calibrating/calibration foundation of automobile environment-protection exhaust pollution analyte detection chassis dynamometer
Model is JJF1221-2009《Automobile exhaust contaminant detection chassis dynamometer》, its key technical indexes is main diameter of cylinder
Error, master rotor radial run-out amount, the front and rear drum inside busbar depth of parallelism, master rotor linear velocity error, torsion zero drift,
The torsion error of indication, repeatability, hysterisis error, elementary inertia error, internal loss power, constant load loading coasting time, change
Load loading coasting time, loading response time etc., relative to the calibrating of many single force value, velocity amplitude and geometry value, school
Quasi- specification, the measurement technology indexs of JJF1221-2009 specification defineds be dynamic and it is static be combined it is a series of complex,
High-precision integrated performance index, at present, in the market lack a kind of professional comprehensive detection of energy, the meter of the above-mentioned metering performance index of calibration
Measure reference instrument equipment, i.e. integrated correction system, automobile environment-protection exhaust pollution analyte detection chassis dynamometer integrated correction system
Research and development are the magnitude tracing of above-mentioned comprehensive metering technical indicator（Detection, calibration）Technical guarantee and measurement means are provided.
Utility model content
The purpose of this utility model is in view of the problems of the existing technology to provide a kind of automobile environment-protection exhaust pollution quality testing
Chassis dynamometer calibrating installation is used in survey.
The concrete technical scheme of the utility model is as follows：
A kind of automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation, including the measurement of speed measuring device, torsion
Device, microcontroller crystal oscillator and hardware calibration module, PC machine, the speed measuring device by supporting rack, be arranged at testing the speed on supporting rack
Roller, be arranged at test the speed on roller velocity sensor composition, torque force measuring device by torsion lever, be arranged on torsion lever
Force cell composition, the velocity sensor and force cell are connected to microcontroller crystal oscillator and hardware calibration mould
Block, microcontroller crystal oscillator and hardware calibration module are connected to PC machine；
The microcontroller crystal oscillator and hardware calibration module include speed input module, torsion input module, D/A moduluss of conversion
Block, MCU control unit, serial communication module, the speed input module are connected to MCU control unit, torsion input module, D/
A modular converters and MCU control unit are sequentially connected, and MCU control unit is connected by serial communication module with PC machine；
The velocity sensor is connected with speed input module, and force cell is connected with torsion input module；
The D/A modular converters are connected with automobile environment-protection exhaust pollution analyte detection with the microcontroller of chassis dynamometer；
Support frame as described above is inhaled base, the supporting rod being vertically arranged on electromagnetism suction base by electromagnetism, is articulated with supporting rod
Support rail composition, the roller that tests the speed is arranged at support rail termination；
The microcontroller crystal oscillator and hardware calibration module and the list of automobile environment-protection exhaust pollution analyte detection chassis dynamometer
Piece machine connects.
The utility model has the advantages that：
The utility model can be to automobile environment-protection exhaust pollution analyte detection chassis dynamometer the roller speed of service, torsion
Collection is carried out at the same time, the calculating of Specifications is carried out by PC machine, and can compare with the numerical value of its own detection,
Automatic calibration.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the microcontroller crystal oscillator of the utility model and the system connection figure of hardware calibration module.
Embodiment
A kind of automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation as depicted in figs. 1 and 2, including survey
Speed variator, torque force measuring device, microcontroller crystal oscillator and hardware calibration module 1, PC machine 2, the speed measuring device by supporting rack 3, set
The roller 4 that tests the speed that is placed on supporting rack 3, be arranged at the velocity sensor 5 to test the speed on roller 4 and form, and torque force measuring device is by turning round
Power lever 6, the force cell 7 being arranged on torsion lever 6 form, and the velocity sensor 5 and force cell 7 connect respectively
Microcontroller crystal oscillator and hardware calibration module 1 are connected to, microcontroller crystal oscillator and hardware calibration module 1 are connected to PC machine 2；The microcontroller
Crystal oscillator and hardware calibration module 1 are connected with the microcontroller 9 of automobile environment-protection exhaust pollution analyte detection chassis dynamometer 8；The branch
Support 3 is inhaled base 3-1, the supporting rod 3-2 being vertically arranged on electromagnetism suction base 3-1 by electromagnetism, is articulated with supporting rod 3-2
Support rail 3-3 is formed, and the roller 4 that tests the speed is arranged at support rail 3-2 terminations.
The microcontroller crystal oscillator and hardware calibration module 1 include speed input module 1-1, torsion input module 1-2, D/A
Modular converter 1-3, MCU control unit 1-4, serial communication module 1-5, it is single that the speed input module 1-1 is connected to MCU controls
First 1-4, torsion input module 1-2, D/A modular converter 1-3 and MCU control unit 1-4 are sequentially connected, and MCU control unit 1-4 leads to
Cross serial communication module 1-5 to be connected with PC machine 2, the velocity sensor 5 is connected with speed input module 1-1, force cell 7
It is connected with torsion input module 1-2, the D/A modular converters 1-3 and automobile environment-protection exhaust pollution analyte detection chassis dynamometer 8
Microcontroller 9 connect.
Speed is carried out with chassis dynamometer 8 to automobile environment-protection exhaust pollution analyte detection using the utility model and torsion is adopted
Collection, calculating, the course of work of testing calibration are as follows：
Supporting rack 3 is positioned on 8 casing of automobile environment-protection exhaust pollution analyte detection chassis dynamometer, electromagnetism inhales base 3-
1, which is powered, is secured to automobile environment-protection exhaust pollution analyte detection chassis dynamometer 8, and the roller 4 that will test the speed, which is taken, to be touched in automobile environment-protection
On roller of the exhaust pollution analyte detection with chassis dynamometer 8, torsion lever 6 is installed on automobile environment-protection exhaust pollution analyte detection and is used
On the main shaft of 8 roller of chassis dynamometer, automobile environment-protection exhaust pollution analyte detection chassis dynamometer 8 is run, passes through velocity pick-up
Device 5 gathers drum speed, gathers main shaft torsion by force cell 7, the speed collected and torsion information are sent to list
Piece machine crystal oscillator and hardware calibration module 1, can carry out the calculating of Specifications by PC machine 2, meanwhile, microcontroller crystal oscillator and hard
The speed and torsion that part calibration module 1 collects the utility model and automobile environment-protection exhaust pollution analyte detection chassis dynamometer
The speed and torsion information that 8 detection devices carried detect are compared, and it is calibrated.
Claims (6)
- A kind of 1. automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation, it is characterised in that：Including speed measuring device, Torque force measuring device, microcontroller crystal oscillator and hardware calibration module (1), PC machine (2), the speed measuring device is by supporting rack (3), setting Formed in the roller that tests the speed (4) on supporting rack (3), the velocity sensor (5) being arranged on the roller that tests the speed (4), torsion measurement dress Put and be made of torsion lever (6), the force cell (7) being arranged on torsion lever (6), the velocity sensor (5) and survey Force snesor (7) is connected to microcontroller crystal oscillator and hardware calibration module (1), microcontroller crystal oscillator and hardware calibration module (1) It is connected to PC machine (2).
- 2. a kind of automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation as claimed in claim 1, its feature It is：The microcontroller crystal oscillator and hardware calibration module (1) include speed input module (1-1), torsion input module (1-2), D/A modular converters (1-3), MCU control unit（1-4）, serial communication module (1-5), the speed input module (1-1) connection In MCU control unit (1-4), torsion input module (1-2), D/A modular converters (1-3) and MCU control unit (1-4) connect successively Connect, MCU control unit (1-4) is connected by serial communication module (1-5) with PC machine (2).
- 3. a kind of automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation as claimed in claim 2, its feature It is：The velocity sensor (5) is connected with speed input module (1-1), force cell (7) and torsion input module (1- 2) connect.
- 4. a kind of automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation as claimed in claim 2, its feature It is：The D/A modular converters (1-3) connect with the automobile environment-protection exhaust pollution analyte detection microcontroller (9) of chassis dynamometer (8) Connect.
- 5. a kind of automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation as claimed in claim 1, its feature It is：Support frame as described above (3) by electromagnetism inhale base (3-1), be vertically arranged at electromagnetism inhale supporting rod (3-2) on base (3-1), Support rail (3-3) composition being articulated with supporting rod (3-2), the roller that tests the speed (4) are arranged at support rail (3-3) termination.
- 6. a kind of automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation as claimed in claim 1, its feature It is：The microcontroller crystal oscillator and hardware calibration module (1) and automobile environment-protection exhaust pollution analyte detection chassis dynamometer (8) Microcontroller (9) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721320501.3U CN207248426U (en) | 2017-10-13 | 2017-10-13 | Automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721320501.3U CN207248426U (en) | 2017-10-13 | 2017-10-13 | Automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation |
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| CN207248426U true CN207248426U (en) | 2018-04-17 |
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| CN201721320501.3U Expired - Fee Related CN207248426U (en) | 2017-10-13 | 2017-10-13 | Automobile environment-protection exhaust pollution analyte detection chassis dynamometer calibrating installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379193A (en) * | 2020-10-27 | 2021-02-19 | 山东大学 | Method for testing system precision of simple transient working condition method |
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2017
- 2017-10-13 CN CN201721320501.3U patent/CN207248426U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379193A (en) * | 2020-10-27 | 2021-02-19 | 山东大学 | Method for testing system precision of simple transient working condition method |
| CN112379193B (en) * | 2020-10-27 | 2022-02-08 | 山东大学 | Method for testing system precision of simple transient working condition method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 |