Vehicle-mounted weighing amplifying filter circuit

Abstract

The invention discloses a vehicle-mounted weighing amplifying filter circuit. The vehicle-mounted weighing amplifying filter circuit comprises a power module, an amplifying module, a filtering module and a weighing processing module. A signal can be distortionless in the manner of carrying out amplification filtering through front hardware, weighing data are processed in advance by additionally arranging the weighing processing module, the weighing processing module and a central processing unit synchronously work, and data signals are sent to an ECU after one circulation of weighing is finished. The precision of the weighing data and the stability of the vehicle performance can be effectively improved when a vehicle with complex noise signals is weighed.

Description

technical field [0001] The invention relates to the field of filter circuits, in particular to a vehicle weighing amplifier filter circuit. Background technique [0002] Household garbage from sanitation vehicles, food waste from kitchen trucks, national dangerous goods and important items, etc., all need to ensure real-time uploading of weight data during transportation to prevent illegal dumping, theft and reselling. The existing on-board weighing system still adopts the method of static platform weighing system. The signal output terminal of the load cell is directly connected with the signal input terminal of the central processing unit ECU of the working vehicle. The disadvantages are: [0003] 1. The working condition of vehicle weighing is dynamic, the vehicle itself is vibrating, and the execution structure of the operation is also flipped up and down, and its weighing data is unstable; [0004] 2. During the weighing process, the ECU needs to generate interrupts to...

AI Technical Summary

Problems solved by technology

[0003] 1. The working condition of vehicle weighing is dynamic, the vehicle itself is vibrating, and the execution structure of the operation is also flipped up and down, and its weighing data is unstable;

[0004] 2. During the weighing process, the ECU needs to generate interrupts to receive a large amount of weighing data, and software filtering also consumes the memory of the memory, which is not conducive to the timely processing of signals from other controlled units

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