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Laser range finder manufacturers tell you about problems with range finders
Now using a laser rangefinder could easily measure distance, don't need you to take circle feet to calculate, we measured the distance is a good helper, henan zhengzhou manufacturer of laser rangefinder remind laser rangefinder various brand can according to your budget and actual use, to determine the laser range finder, domestic price cheap, but the performance stability is poorer than a imports, imports of laser range finder are relatively mature, but the price is much higher than domestic, and after a domestic is complicated. So what problems do we encounter in using laser rangefinder? Zhengzhou Defy laser rangefinder manufacturer listed several common problems.
What is the principle of using infrared ranging or laser ranging?
The ranging principle can be basically reduced to measuring the time required for light to travel to and from the target, and then calculate the distance D through the light speed c =299792458m/s and atmospheric refraction coefficient n.Because it is difficult to measure time directly, the phase of continuous wave is usually measured.Of course, there are impulse rangefinders, typically the WILD di-3000.It should be noted that phase measurement is not to measure the infrared or laser phase, but measure the modulation of the signal phase above the infrared or laser.The construction industry has a hand-held laser rangefinder for measuring houses that works in the same way.
Must the plane of the object be perpendicular to the light ray?
Usually precise ranging needs total reflection prism, and the house measurement of the rangefinder, the direct reflection of the wall to measure, mainly because the distance is relatively close, light reflected back the signal strength is large enough.With this you can know, must be vertical, otherwise the return signal is too weak to get the exact distance.
Is it ok if the measured object plane is diffuse reflection?
It is usually possible to use thin plastic sheets as reflective surfaces in practical projects to solve the serious problem of diffuse reflection.
Ultrasonic ranging and laser ranging differences?
Ultrasonic ranging accuracy is relatively low, now rarely used.The accuracy of laser rangefinder can reach 1 mm, suitable for all kinds of high precision measurement purposes.
Laser rangefinder can effectively prevent the tower from tipping
Technology and the information age have narrowed the distance between people and countries.Nothing seems to hinder the relationship between the two relationships, but it is in production.Distance measurement is still a difficult problem to solve.For example, in the construction industry, tower crane is one of the most commonly used mechanical equipment.
Tower cranes usually have larger lifting capacity, larger working range and higher lifting height.It can realize the longitudinal and lateral transport of materials, and has been widely used in the construction industry.This large mechanical equipment is used in construction.This process does have its irreplaceable role.Help construction projects complete quickly and easily.
Tower crane is a tower crane structure.This type of equipment is very complex and involves high-altitude work, so it is likely that tower cranes will tip over.On the one hand, these accidents will affect the construction progress of the project, and on the other hand, it will bring huge loss of life and property to the country and people.Therefore, in order to ensure safety and minimize the loss of life and property, laser rangefinders are needed.Auxiliary equipment is used for detection and laser ranging is used for distance measurement.The state also has relevant provisions, tower crane equipment must be equipped with qualified testing equipment to pass the inspection.
Both products have their advantages and disadvantages. Although the tower crane has the disadvantage of being easy to tip over in the process of use, its strong bearing capacity still has an irreplaceable position in the construction industry. Is one of the common equipment.All products are found unsuitable in the process of use, and then they are improved to become more suitable products for our use.The same is true of tower cranes.In order to solve the problem of tower crane prone to tip over, adding laser rangefinder and using laser rangefinder to prevent tilt is the most commonly used method to solve this problem, which has been widely used now.The application has been proved to be practical in practice.