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Help CenterLinzhi Technology | Automobile Sun Visor Forward and Reverse Rotation Durability Testing Machine, Sun Visor Rotation Angle and Rotation Force
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Sun visor forward and reverse rotation test bench
1. Equipment overview
1.1. Basic information
Equipment name: Sun visor forward and reverse rotation durability test bench
Equipment model: ZFNJ - 2
1.2. Technical indicators
1.2.1. External dimensions
1) Host external dimensions (length × width × height): 800×800×600 (mm) (actual dimensions are designed according to requirements);
2) Control cabinet: 600×600×1600 (mm).
1.2.2. Test stations
Double - station, simultaneous testing of left and right sun visors to improve testing efficiency;
1.2.3. Test stroke
1) Stroke range: 0~200 (°);
2) Stroke accuracy: ±1%.
1.2.4. Test speed
0~60 (°/s).
1.2.5. Test force
1) Usage range: 1~30 (N);
2) Collection accuracy: ±1%.
1.2.6. High and low temperature load sensor
1) Range: 100N;
2) Accuracy: ±1% (FS).
1.2.7. High and low temperature servo motor
Power: 400W
1.2.8. Test environment:
-30~+95 (℃), 10-98%RH
1.2.9. Current sensor:
1) Range: 1mA
2) Accuracy: ±0.5% (FS)
1.2.10. Measurement accuracy
Better than ±1%F·S.
1.3. Performance characteristics
1) Automatically record various values such as test force and current intensity through the computer and automatically generate test curves and test reports;
2) Adopt the method of synchronous operation of double stations (one for the driver's seat and one for the passenger's seat), and the characteristic during action is synchronous and co - directional flipping;
3) Driven by high and low temperature servo motors, it can quickly and stably connect to the test action mechanism;
4) Use photoelectric encoders to collect and control the angle;
5) The selection of all devices ensures that the equipment will not be damaged even under the overload power of the servo motor;
6) All main components and boards are purchased from mainstream brands in the market, with simple later - stage maintenance operations and low maintenance costs.
Sun visor forward and reverse flipping test bench
2. Equipment structure
It is mainly composed of a test frame, an experimental platform, fixtures, a sun visor flipping mechanism, synchronous pulleys and synchronous belts, a sun visor installation device, a sensor installation device, high and low temperature servo motors and drives, high and low temperature reducers, high and low temperature sensors, and an electrical control and acquisition system.
The electrical components used are products resistant to high and low temperatures, so the test bench can be directly placed in the environmental chamber for testing. The bottom of the test bench is equipped with FuMa wheels for easy movement.
2.1. Electrical control and acquisition system
The entire electrical control and acquisition system can be divided into four parts: an electrical drive system, a servo system, a motion control system, and a signal acquisition system.
2.1.1. Electrical drive system
The electrical drive system relies on a standard cabinet and is the core of the power supply and electrical logic control of the entire equipment. All signal wire connections are completed in this part. It uses photoelectric isolation solid - state relays and high - quality shielded cables in key parts to effectively reduce the interference of the servo motor system on the control signals and sampling signals during operation.
2.1.2. Servo System
The motor uses a high and low temperature servo motor. The servo motor system can easily adjust parameters, monitor the status, and analyze faults. Its powerful intelligent automatic adjustment function can replace the usual professional and complicated debugging process, easily achieving high speed and high response. The speed response frequency can reach 1kHz. In terms of control, this servo drive can receive pulse commands up to 2Mpps and has a built - in instantaneous speed observer, which can quickly and with high resolution detect the motor speed.
2.1.3. US NI Multifunctional Card
The NI multifunctional card PCI - 6221 is used.
Due to these characteristics, the IPC - 610 has strong anti - interference, dust - proof, shock - proof, and anti - turbulence capabilities, providing a solid platform for the stable operation of the NI PCI - 6221.
A standard cabinet is used to place the industrial computer, monitor, servo control system, electrical drive system, etc. The overall layout is neat, and it has good dust - proof performance, providing a stable and safe operating environment for the system.
2.1.1. Load Sensor
The load sensor uses a high and low temperature resistant tension and compression sensor with a high protection level.
2.2. Software System
The software system runs on an Advantech industrial computer and interacts with various boards through driver functions. Its main features are:
It runs on the Windows operating system, with a friendly human - machine interface and simple operation.
After the software starts, it displays the instantaneous sampling values of the sensors in real - time. During the test, it can also display the sampling values and minimum values of the sensors.
It can form curve displays with any signal combination.
The data processing method of the test curve can be combined with the test operation parameters to form an overall test module. Various combinations are flexibly set, easy to call, and can save and read all parameters.
All test data supports export to an EXCEL table.
It can flexibly set multiple conditions to retrieve test records.
Multiple sets of test report templates can co - exist, and different templates can be called according to actual needs.
It can find characteristic points on the test curve under various conditions.
It can find any point with the cursor on the test curve (which can be matched with the data exported to EXCEL).
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