The American ICSensors accelerometer 3028 is mainly used in those aspects

Product Introduction. The 3028 is a piezoresistive silicon accelerometer encapsulated in a surface-mount package on a ceramic base with a resin-sealed ceramic cover. Detailed calibration data provides test data for each unit along with resistance compensation.

The accelerometer consists of a tiny silicon chip suspended from a composite beam of a silicon frame. The resistance value of the silicon chip changes as the bracket deforms. The silicon caps on the upper and lower surfaces provide the ability to over-range protection, and this structure makes the accelerometer small, impact-resistant, durable, built-in damping and broadband.

Each sensor is continuous.

Features. Screw mounting.

Pressure nonlinearity (standard).

Temperature characteristics (with compensation resistance - standard).

DC response. Built-in shockproof cushioning.

Built-in overrange protection.

Low power consumption. Pin or non-pin form.

Apply. Vibration and shock monitoring.

Morphological analysis. Motion control.

Accident test. Aerospace.

The above information is provided by Jiangmen Lead Information.

Accelerometers are generally used in military research and production, specifically the acceleration of some ** propulsion, the acceleration of some objects under special circumstances, and for example, car manufacturers use them when testing newly designed cars.

Or for flying robots, it is also crucial to control attitudes. Make sure that your robot doesn't go to a crowded area on its own with a bomb. A good programmer is able to use an accelerometer to answer all of the above questions.

Accelerometers can even be used to analyze engine vibrations.

At present, the latest IBM ThinkPad laptop has a built-in accelerometer, which can dynamically monitor the vibration of the notebook in use, and according to these vibration data, the system will intelligently choose to turn off the hard disk or let it continue to run, so as to protect the hard disk caused by vibration, such as a bumpy working environment, or accidentally drop the computer, and protect the data inside to the greatest extent.

Another use is that current digital cameras and camcorders also have accelerometers to detect hand vibrations during shooting, and automatically adjust the camera's focus based on these vibrations.

To sum up, accelerometers can be used in control, handle vibration and shaking, instrumentation, automobile brake start detection, detection, alarm systems, toys, structures, environmental monitoring, engineering vibration measurement, geological exploration, vibration testing and analysis of railways, bridges, and dams; Mouse, dynamic characteristics of high-rise building structures and vibration reconnaissance for security and security.

American ICSENSORS accelerometer, 3031, 3022, 3052, 3035, 1210, 1220, 1230, 1240, etc. Suitable for ** monitoring, low frequency applications, test instruments, mechanical control, etc.

The method and process of measuring the vibration frequency with the piezoelectric accelerometer: the YA19T accelerometer can be connected to the 24-bit data acquisition instrument of Beijing Yiyang vibration test, and the vibration frequency can be tested through the software. There are two commonly used accelerometers for charge type and ICP type, and it is more troublesome to add charge amplifier to charge type for charge type, and ICP type accelerometer is generally used.

Piezoelectric accelerometers are also known as piezoelectric accelerometers. It is also an inertial sensor. It uses the piezoelectric effect of certain substances, such as quartz crystals, to change the force of the mass on the piezoelectric element when the accelerometer is vibrate.

When the measured vibration frequency is much lower than the natural frequency of the accelerometer, the change in force is proportional to the measured acceleration.

Accelerometer sensors are mainly used in the inclination while drilling system and continuous inclination measurement system of oil drilling to measure the inclination of drilling. When observing with an inclinometer, the probe moves from the bottom of the inclinometer tube to the top, pauses at a distance of half a meter and performs the measurement tilt work. The inclination of the probe is measured by two force-balanced servo accelerometers.

An accelerometer measures the longitudinal position of the groove of the inclinometer tube, i.e., the inclination of the plane on which the gauge wheel is located on the inclinometer probe. The other accelerometer measures the inclination perpendicular to the plane of the wheel. The inclination can be converted to lateral displacement.

Comparing the current and initial observations, the amount of change in lateral shift can be determined, showing the movement displacement of the formation. Plotting the amount of change in the offset yields a high-resolution cross-section of the displacement. This cross-sectional view helps to determine the magnitude, depth, direction, and rate of ground motion displacement.

The recommendation of the accelerometer Tsinghua University Teacher Dong is very good.

Micro-inertial instrument – micromechanical accelerometer.

(1) If the system to be tested has acceleration a along the AB direction, then the slider will move to the left by x, satisfying kx=ma.

u0-u=er′

r+r, while r = x

lr=4rxl．

Hence a=kl(u

u)(r+r)

4mer5kl(?u)

4me 2) When the system under test is stationary, the sliding arm p is located at the midpoint of the sliding rheostat, and the voltage output of the two binding posts is U0=, so the output voltage varies in the range of 0 U 2U0, that is, 0 U, combined with the expression of A and U derived in (1), the measurement range of the accelerometer can be known to be -kl

2m≤a≤kl2m．

Answer: (1) The relationship between acceleration and u is 5kl(?).u)4me；

2) The measurement range of the accelerometer is -kl

2m≤a≤kl2m．