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Load Cell Flexible Structure
Hanzhong Quanyuan Electronic Co.,Ltd | Updated: Apr 17, 2015


Flexible Structure of Load Cell 


The bottom of the pressure sensor must be placed on a flat,load-bearing base which does not deform under load. In order to reliably transfer a uniform load from the bottom of the sensor to the base, the sensor must be secured to a solid base, especially for plane-supported sensors. The sensor base must be able to withstand the load corresponding to the load.


Despite the overall stability,sometimes the base under the load can also be a strong deformation. Since this deformation can cause the settlement of the bearing surface at the same time,it is necessary in this case to keep the settlement size of all the bases equal to avoid the inclination and the resulting lateral force. In general, the rigid structure of the base is better than the flexible structure, the soft structure is difficult to achieve uniform subsidence everywhere, and will cause the entire structure of the additional stress.


When weighing containers or monitoring the filling state, the horizontal movement of the containers and brackets due to temperature changes must be taken into account.Rigid mounting accessories prevent this movement and eventually produce horizontal lateral forces, resulting in measurement errors. This force sometimes causes the sensor to be damaged or even completely broken.This may occur at the load loading point where the eccentric load or the diagonal load may produce torque and lateral forces, so a structure that avoids the horizontal force caused by temperature deformation or other factors is chosen.


The use of mounting accessories to assemble the sensor's criteria is to eliminate a wide range of interference.And therefore require specific installation attachments depending on the application. However, in the final analysis, only the weighing engineers know the design engineers to determine the interference in the measurement process. So the different sensor structure, not only a wide range of load introduction,there are a variety of options for the installation of accessories.


A typical elastomeric support is a plurality of overlapping plates and layers that are interconnected by a vulcanization process. A small force also moves the top and bottom load guides in parallel.So the top support plate to avoid lateral force, and not to the sensor under the support plate additional force. The horizontal translation between the container and the sensor can be up to 15 mm. At the same time, in the translation of the return force, so that the container back to the starting point, the force has nothing to do with the load, Load Cell and is proportional to the translation distance, according to the elastic support model up to 800 Newton, this support can balance tilt up to 1.7 ° Of the container.


In particular, the damping effect of the impact load on the impact load and other external vibration and elastic support is advantageous. In addition,the elastomeric support is designed to be well insulated and its layered structure minimizes the heat transfer between the container and the sensor. To limit the lateral offset, simply set the endpoint offset protection without operating the part.


This is a sensor designed to autonomously return to the starting point when the weight is loaded with eccentricity,where the physical characteristics of the stable balance are utilized. The sensor as a rocker occupies a load guide surface with a radius of curvature greater than the sensor height.The swing of the initial position causes the load point to rise, thus allowing the sensor to be self-centered.



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