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Product [Microcomputer controlled electro-hydraulic servo automobile shock absorber dynamic test system] information
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Product name: Microcomputer controlled electro-hydraulic servo automobile shock absorber dynamic test system
Product model: BHQC005
Product exhibitor: Shanghai Bai Heng Instrument Technology Co., Ltd.
A brief introduction
Microcomputer controlled electro-hydraulic servo automobile shock absorber dynamic test system is used to test automobile cylinder shock absorbers, shock absorber benches, Dynamogram test and speed characteristic test of cab shock absorbing device, engine mounting cushion assembly, engine front wedge support assembly, etc.
Detailed introduction of the microcomputer-controlled electro-hydraulic servo automobile shock absorber dynamic test system
The microcomputer-controlled electro-hydraulic servo automobile shock absorber dynamic test system is used to test automobile cylinder shock absorbers. Dynamic diagram test and speed characteristic test of the device, shock absorber bench, cab shock absorber device, engine mounting cushion assembly, engine front wedge support assembly, etc.
The test system is loaded through computer control, and the electro-hydraulic servo actuator achieves fast and high-response actions. According to the preset test procedures that meet the requirements of the corresponding standards, the following tests can be completed:
1. Damping test, determine the damping coefficient, damping angle, etc. of the shock absorber;
2. Power display test, draw the power display diagram of the shock absorber;
3. Speed Characteristic test, measuring the temperature of the shock absorber at each speed point under different loading speeds;
4. Temperature decay test (optional function), measuring the heating and cooling of the shock absorber (external environmental box , optional by the user (standard configuration does not have this device), compare the resistance attenuation of the shock absorber and automatically calculate the temperature decay rate.
This test system adopts Lichuang's patented technology protected by the State Intellectual Property Office (Patent No.: 0326278812) - an electro-hydraulic servo controller with microcomputer-controlled electro-hydraulic servo fatigue test control technology as the core ( DSP Trier 6201).
The test software works in the Chinese environment of WINDOWS98/XP/2000. It has powerful data processing functions, automatically saves test conditions and test results, displays and prints random group test data and test curves that comply with relevant national standards. , test report.
Main technical parameters
1. Maximum test force: 5kN;
2. Test force measurement accuracy: ±0.5
3 , The maximum displacement of the electro-hydraulic servo actuator: 0--150mm
4. Deformation (displacement) measurement accuracy: The measurement accuracy is ±0.5 of the indication value
5. Dynamic test Waveforms: sine wave, triangle wave, square wave, ramp wave, sawtooth wave and random wave
6. Test speed: 0-1.5m/s; vibration speed control accuracy: less than ±0.001m/s
7. Test control performance indicators:
7.1 Control method: displacement, load control method.
7.2 Computer closed-loop system that can run the software platform, precise control, self-calibration, automatic zero adjustment, automatic reset, fast and accurate data transmission. It has peak and amplitude phase compensation functions, linear correction of measured values, and PID computer adjustment.
7.3 The control system has self-diagnosis and alarm functions when encountering faults. The system can save data and self-protection devices in the event of a sudden power outage, overload protection, upper and lower limit protection of force/displacement/deformation and Control, temperature protection and other functions, the controller can soft start and stop to reduce impact, fracture protection.
8. Software functions:
8.1 The test control software is adapted to the WINDOWS98/2000/XP system platform. The computer can display the static load, dynamic load and number of tests in real time during the test. It has functions such as dynamically displaying real-time curves, storage (the time period can be set arbitrarily for automatic storage of data and graphics at each test stage), and outputting test reports (test data can be imported into EXCEL, WORD and other software). The whole or part of the display can be infinitely enlarged. The test data is stored in a database format, and the stored content can be reproduced.
8.2 It can simultaneously calculate and display the dynamometer diagram of 10 consecutive speeds and the relationship curve between resistance and speed; it can calculate and display the relationship between the displacement and speed within a cycle when the shock absorber moves at a single speed. Curve (i.e. P-V) diagram; can calculate and display the continuous change graph of sliding resistance under different lateral forces; various analysis results can be stored and recalled very conveniently; can automatically determine the compression of the shock absorber according to a given tolerance , the restoration resistance is qualified; it can automatically calculate and display the resistance value at the maximum compression, restoration force and absolute maximum displacement (i.e. the point on the axis), and give the error value between the two; it can automatically calculate the deceleration of each speed point The amount of shock absorbing energy.
9. Shock absorber installation height: 100~900mm
10. Number of stations for installing shock absorbers: 1; 4; 6; 8 types (according to user order agreement )
11. It has safety measures such as overload, fracture, and displacement protection.
12. It has the function of setting random wave to simulate vehicle driving on the road.
13. Users can choose environmental testing devices