CN104280073A - Lubrication friction characteristic measurement analyzer and working method thereof - Google Patents
Lubrication friction characteristic measurement analyzer and working method thereof Download PDFInfo
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- CN104280073A CN104280073A CN201410584332.9A CN201410584332A CN104280073A CN 104280073 A CN104280073 A CN 104280073A CN 201410584332 A CN201410584332 A CN 201410584332A CN 104280073 A CN104280073 A CN 104280073A
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Abstract
The invention relates to a lubrication friction characteristic measurement analyzer and a working method of the lubrication friction characteristic measurement analyzer. The lubrication friction characteristic measurement analyzer comprises a processor module, a roughness measurement unit, a viscosity measurement unit and an image measurement unit, wherein the roughness measurement unit, the viscosity measurement unit and the image measurement unit are connected with the processor module. The roughness measurement unit is used for measuring the roughness of a friction plate. The viscosity measurement unit is used for measuring the lubricating oil viscosity between the friction plate and another friction plate. The image measurement unit is used for measuring the inner diameter and the outer diameter of the friction plate. The processor module is used for obtaining the friction characteristic curve of the friction plate according to the roughness, the lubricating oil viscosity, the inner diameter and the outer diameter.
Description
Technical field
The present invention relates to a kind of lubrication friction feature measurement analyser and method of work thereof.
Background technology
Current, the main dependence on import of such testing equipment of domestic use, Foreign Automobile developed country is in blockage for the TT&C system correlation technique of friction of wet clutch test bench for performance." eight or five " period, domestic study automatic transmission fluid time introduce a SAE No2 testing machine (at that time only this, the whole nation) by Beijing Research Institute of Petro-Chemical Engineering, 6 same categories of device have been introduced in the whole nation for this reason up till now, wherein 2 for lubricating oil analysis of friction characteristic, and other 4 for engineering machinery and motorcycle brake and clutch friction attribute testing.But due to the monopolization of external friction test method and stand technology, be also in the starting stage to lubrication friction feature measurement, research.
Summary of the invention
The object of this invention is to provide a kind of lubrication friction feature measurement analyser, this lubrication friction feature measurement analyser passes through the detection to the roughness of friction disc, the lubricating oil viscosity between friction disc and friction disc and friction disc internal-and external diameter, to obtain the rubbing characteristics curve of tested friction disc.
In order to solve the problems of the technologies described above, the invention provides a kind of lubrication friction feature measurement analyser, comprise: processor module, and the roughness measurement unit to be connected with described processor module, viscosity measurements unit and image detecting element, wherein, described roughness measurement unit is suitable for the roughness detecting friction disc, described viscosity measurements unit is suitable for detecting the lubricating oil viscosity between described friction disc and friction disc, described image detecting element is suitable for the internal-and external diameter detecting described friction disc, described processor module is suitable for according to described roughness, lubricating oil viscosity and internal-and external diameter obtain the rubbing characteristics curve of friction disc.
Further, in order to accurately obtain the roughness of friction disc, described roughness measurement unit comprises: be suitable for the roughness sensor detecting friction disc roughness, the roughness arithmetic element be connected with this roughness sensor, the output terminal of described roughness arithmetic element is connected with processor module; Wherein, described roughness arithmetic element is suitable for the result of calculation of the roughness of friction disc to input to described processor module, to obtain the coarseness data of more accurate friction disc.
Further, in order to accurately obtain lubricating oil viscosity, described viscosity measurements unit comprises: be suitable for the viscosity sensor detecting lubricating oil viscosity, the viscosity arithmetic element be connected with this viscosity sensor, the output terminal of described viscosity sensor is connected with described processor module; Wherein, described viscosity arithmetic element is suitable for the result of calculation of lubricating oil viscosity to input to described processor module, to obtain the corresponding data of more accurate lubricating oil viscosity.
Further, in order to accurately obtain internal-and external diameter, described image detecting element comprises: camera, the graphics processing unit be connected with this camera, and the output terminal of this graphics processing unit is connected with described processor module; Wherein, the Friction Disk Surface image that described graphics processing unit is suitable for camera is taken is sent to processor module, and this processor module is suitable for obtaining described internal-and external diameter according to described image, to obtain more accurate internal-and external diameter data.
Further, described lubrication friction feature measurement analyser also comprises: the display module for showing described rubbing characteristics curve be connected with described processor module.
Another aspect, present invention also offers a kind of method of work of lubrication friction feature measurement analyser, to solve the detection to the internal-and external diameter of the roughness of friction disc, the lubricating oil viscosity between friction disc and friction disc and friction disc, to obtain the rubbing characteristics curve of tested friction disc.
The method of work of described lubrication friction feature measurement analyser, comprises the steps:
Step S100, gathers all kinds of rubbing characteristics data of friction disc, and is sent to processor module.
Step S200, described processor module passes through received all kinds of rubbing characteristics data to build the rubbing characteristics curve of friction disc.
Further, described rubbing characteristics data comprise: the lubricating oil viscosity on the roughness of friction disc, the surface of friction disc and the internal-and external diameter thickness of friction disc.
The invention has the beneficial effects as follows, the roughness being suitable for detection friction disc by roughness measurement unit of the present invention, viscosity measurements unit is suitable for the lubricating oil viscosity on the surface detecting described friction disc, image detecting element is suitable for the internal-and external diameter detecting described friction disc, and obtains the rubbing characteristics curve of described friction disc by above-mentioned detected value; And accurately can detect the friction parameter of the various wet clutches of automobile, motorcycle and aircraft etc., brake(-holder) block, synchronous ring, ATF lubrication wet goods subjects under various conditions easily.
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Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 illustrates the theory diagram of lubrication friction feature measurement analyser;
Fig. 2 shows the process flow diagram of the method for work of lubrication friction feature measurement analyser.
In figure: friction disc 1, roughness measurement unit 201, viscosity measurements unit 202, image detecting element 203.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment 1
Fig. 1 illustrates the theory diagram of lubrication friction feature measurement analyser.
As shown in Figure 1, a kind of lubrication friction feature measurement analyser, comprise: processor module, and the roughness measurement unit 201 to be connected with described processor module, viscosity measurements unit 202 and image detecting element 203, wherein, described roughness measurement unit 201 is suitable for the roughness detecting friction disc 1, described viscosity measurements unit 202 is suitable for the lubricating oil viscosity on the surface detecting described friction disc 1, described image detecting element 203 is suitable for the internal-and external diameter detecting described friction disc 1, described processor module is suitable for according to described roughness, film viscosity and internal-and external diameter obtain the rubbing characteristics curve of friction disc.
Described friction disc 1 can be positioned at clutch coupling, and this clutch coupling is wet clutch.
Described roughness measurement unit 201 comprises: be suitable for the roughness sensor detecting friction disc roughness, the roughness arithmetic element be connected with this roughness sensor, the output terminal of described roughness arithmetic element is connected with processor module; Wherein, described roughness arithmetic element is suitable for the result of calculation of the roughness of friction disc to input to described processor module.
Described viscosity measurements unit 202 comprises: be suitable for the viscosity sensor detecting lubricating oil viscosity, the viscosity arithmetic element be connected with this viscosity sensor, the output terminal of described viscosity sensor is connected with described processor module; Wherein, described viscosity arithmetic element is suitable for the result of calculation of lubricating oil viscosity to input to described processor module.
Described image detecting element 203 comprises: camera, the graphics processing unit be connected with this camera, and the output terminal of this graphics processing unit is connected with described processor module; Wherein, the friction material surface image that described graphics processing unit is suitable for camera is taken is sent to processor module, and this processor module is suitable for obtaining described internal-and external diameter according to described image.Preferred described camera can adopt high definition autozoom camera.
Described roughness arithmetic element, viscosity arithmetic element, graphics processing unit and processor module can adopt corresponding processor, such as but not limited to dsp chip, and the processors such as ARM chip.
Described lubrication friction feature measurement analyser also comprises: the display module for showing described rubbing characteristics curve be connected with described processor module.
Embodiment 2
Fig. 2 shows the process flow diagram of the method for work of lubrication friction feature measurement analyser.
The method of work of a kind of lubrication friction feature measurement analyser on embodiment 1 basis, comprises the steps:
Step S100, gathers all kinds of rubbing characteristics data of friction disc, and is sent to processor module;
Step S200, described processor module passes through received all kinds of rubbing characteristics data to build the rubbing characteristics curve of friction disc.
Described rubbing characteristics data comprise: the internal-and external diameter of the roughness of friction disc, the lubricating oil viscosity between friction disc and friction disc and friction disc.
Concrete, after lubrication friction feature measurement analyser sends Start order, roughness measurement unit 201, viscosity measurements unit 202, image detecting element 203 are started working the internal-and external diameter of the roughness, oil body and the friction disc that detect friction disc respectively, its corresponding data delivers to the arithmetic unit of each sensor respectively, data are delivered to processor module after carrying out Treatment Analysis to signal by arithmetic unit, described processor module carries out Treatment Analysis to data and simulates rubbing characteristics curve, is shown rubbing characteristics curve by wave shape display system.
The present invention is not limited to above-described embodiment; on the basis of technical scheme disclosed by the invention; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection scope of the present invention.
Claims (7)
1. a lubrication friction feature measurement analyser, is characterized in that, comprising: processor module, and the roughness measurement unit, viscosity measurements unit and the image detecting element that are connected with described processor module, wherein,
Described roughness measurement unit is suitable for the roughness detecting friction disc,
Described viscosity measurements unit is suitable for detecting the lubricating oil viscosity between described friction disc and friction disc,
Described image detecting element is suitable for the internal-and external diameter detecting described friction disc,
Described processor module roughness, lubricating oil viscosity and the internal-and external diameter be suitable for according to described friction disc obtains the rubbing characteristics curve of friction disc.
2. lubrication friction feature measurement analyser according to claim 1, it is characterized in that, described roughness measurement unit comprises: be suitable for the roughness sensor detecting friction disc roughness, the roughness arithmetic element be connected with this roughness sensor, the output terminal of described roughness arithmetic element is connected with processor module; Wherein,
Described roughness arithmetic element is suitable for the result of calculation of the roughness of friction disc to input to described processor module.
3. lubrication friction feature measurement analyser according to claim 2, it is characterized in that, described viscosity measurements unit comprises: the sensor being suitable for the lubricating oil viscosity detected between friction disc and friction disc, the viscosity arithmetic element be connected with this viscosity sensor, the output terminal of described viscosity sensor is connected with described processor module; Wherein,
Described viscosity arithmetic element is suitable for the result of calculation of lubricating oil viscosity to input to described processor module.
4. lubrication friction feature measurement analyser according to claim 3, it is characterized in that, described image detecting element comprises: camera, the graphics processing unit be connected with this camera, and the output terminal of this graphics processing unit is connected with described processor module; Wherein,
The Friction Disk Surface image that described graphics processing unit is suitable for camera is taken is sent to processor module, and this processor module is suitable for obtaining described friction disc internal-and external diameter according to described image.
5. lubrication friction feature measurement analyser according to claim 4, is characterized in that, described lubrication friction feature measurement analyser also comprises: the display module for showing described rubbing characteristics curve be connected with described processor module.
6. a method of work for lubrication friction feature measurement analyser, comprises the steps:
Step S100, gathers all kinds of rubbing characteristics data of friction disc, and is sent to processor module;
Step S200, described processor module passes through received all kinds of rubbing characteristics data to build the rubbing characteristics curve of friction disc.
7. the method for work of lubrication friction feature measurement analyser according to claim 6, is characterized in that, described rubbing characteristics data comprise: the internal-and external diameter of the roughness of friction disc, the lubricating oil viscosity between friction disc and friction disc and friction disc.
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CN204255619U (en) * | 2014-10-28 | 2015-04-08 | 扬州大学 | A kind of test analysis platform being suitable for clutch friction characteristic |
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JP2002122159A (en) * | 2000-10-13 | 2002-04-26 | Ntn Corp | Clutch unit |
JP2006138388A (en) * | 2004-11-11 | 2006-06-01 | Toyota Motor Corp | Frictional engagement device of automatic transmission |
CN202083413U (en) * | 2011-04-12 | 2011-12-21 | 江苏大学 | Liquid adhesion transmission experiment testing arrangement |
CN102865929A (en) * | 2012-10-26 | 2013-01-09 | 重庆理工大学 | Measurement and test device for transient surface temperature of friction plate of dry clutch |
CN103883651A (en) * | 2014-02-28 | 2014-06-25 | 同济大学 | Real-time accurate monitoring device for key states of dry clutch |
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