Weighing fault warning device of electronic balance

Abstract

The invention relates to a weighing fault warning device of an electronic balance. The weighing fault warning device of the electronic balance comprises a balance frame (1), the balance frame is connected with a balance body (2) in a matched mode, the balance frame is further connected with a pressure sensor (4) through a connector (5), and the pressure sensor is in pressure sensing fit with the balance frame. The weighing fault warning device of the electronic balance is characterized in that the balance frame is connected with a fixing board (9), the fixing board is connected with a high-sensitivity microswitch (10), the microswitch is provided with a feeler lever (10a) arranged below the pressure sensor and connected with a fault indication box (13) through a wire (16), and a fault indicator light (15) is arranged on the fault indication box. The weighing fault warning device of the electronic balance has the advantages that weighing and metering faults generated in the weighing process of the electronic balance can be found in time, matching errors of raw materials can be prevented effectively, and the weighing fault warning device of the electronic balance further has the advantages of being simple in structure, convenient to maintain, low in cost, sensitive in response, good in use effect and the like.

Description

technical field [0001] The invention relates to the field of weighing in glass production, in particular to a weighing failure alarm device for an electronic scale. Background technique [0002] Raw material production is an important link in the glass production process and the source of glass quality control. The quality of raw material production is usually mainly adjusted by controlling the chemical oxygen demand value COD. One of the three major elements of controlling the COD value is accurate weighing of ingredients, so it is very important to ensure the normal operation of the electronic scale weighing device. The electronic scale is the key equipment for batching. When the fixing bolt of the sub-scale sensor breaks, the weighing will be inaccurate, which will affect the accuracy of the batching ingredients. If the alarm is not given, the batching will cause a batching quality accident. In turn, it affects the melting quality of raw materials entering the kiln, res...

AI Technical Summary

Problems solved by technology

The electronic scale is the key equipment for batching. When the fixing bolt of the sensor of the sub-scale breaks, the weighing will be inaccurate, which will affect the accuracy of the ingredients. If the alarm is not given and the batching is continued, it will cause a batching quality accident.

In turn, it will affect the melting quality of raw materials entering the furnace, resulting in glass quality accidents and output loss

[0003] At the beginning of the design and conception of this alarm device, after extensive searching by the applicant of this patent, it is known that there are no mainstream brands of pressure weighing sensors such as OMEGA, Mettler-Toledo, HBM, and Vishay TEDEA in the domestic market: When the weighing is inaccurate and exceeds the tolerance value, it can alarm this function; basically there is no self-test and error alarm output function, and the relevant design and research units have no safety protection software programs for this aspect.

Images