Smart meter for engineering special vehicle and its usage method

Abstract

The invention discloses an intelligent instrument for engineering special vehicles; it includes a central processor, etc., and the signal connection between the central processor and a display device; the central processor is also connected with a vehicle switch signal input circuit, a sensor signal input circuit, a signal input port, Sound alarm and central processor forced reset device; sensor signal input circuit is a pulse detection circuit; relative to the vehicle switch signal input circuit and pulse detection circuit, the central processor is also connected to a drive signal output circuit; vehicle switch signal input circuit , The pulse detection circuit, the drive signal output circuit and the central processor are all equipped with an optocoupler isolation circuit; the central processor, vehicle switch signal input circuit, sensor signal input circuit, drive signal output circuit, RS232 interface, buzzer and the watchdog are electrically connected with the power supply module; the power supply module and the central processing unit are sequentially connected through an anti-interference power supply circuit and a voltage monitoring circuit.

Description

technical field [0001] The invention relates to a vehicle instrument, in particular to an intelligent instrument of an engineering special vehicle and a usage method thereof. Background technique [0002] Internal combustion special vehicle for engineering is a special vehicle with the characteristics of large engineering tools; such as tractors, large forklifts, stacker trucks, loading vehicles, etc. Safety and operating efficiency are important indicators of this kind of car. [0003] During the operation of the vehicle, it is generally necessary to read the vehicle signal through the dashboard. For example, when the car is running, it is necessary to display the driving speed of the car through the dashboard after reading the speed of the car. The driver of the car obtains the corresponding car driving signal, so that the driver can complete the driving of the car; for example, during the driving of the bicycle, the cyclist needs to read the speed of the bicycle through ...

AI Technical Summary

Problems solved by technology

[0004] Yet above-mentioned car instrument panel and cycle stopwatch etc. all are developed at the running performance of corresponding car type, and engineering internal combustion type special vehicle is because of its running performance that it has, generally on this vehicle. When installing the instrument panel, it is often directly borrowed from the vehicle instrument of the general car, that is, it can only indicate the driving signals such as the vehicle speed, the fuel tank of the vehicle, etc., and can only guarantee the general operation of this special vehicle, but in the face of various For a special operation, it often needs to be judged by the experience of the operator; and the existing engineering vehicles of this type generally adopt the mode of single-person driving and operation, and the driver has to bear the work of driving the vehicle and can afford Although this method is conducive to enhancing the coordination of the vehicle when driving, it also greatly increases the burden on the driver and requires a high quality of the driver. , due to the long-term dual-purpose (driving and special operations), the operation errors of special vehicles in complex environments are many

[0005] And in order to make the applicability of the vehicle instrument panel more extensive, the development of the instrument panel is also paid more and more attention to by the automobile manufacturer now, just disclosed a kind of car virtual instrument panel as patent No. 200910182968. The video display function has been added to the instrument panel. Although the most widely used mechanical instrument panel has been improved, it is far from being able to solve the data reading function for engineering internal combustion special vehicles in terms of safety and operating efficiency. need

Another example is that the patent No. 201210351920.9 also discloses a car virtual instrument panel, but in this patent, due to a large number of integrated electronic components, the anti-interference ability between each component is extremely poor, and it can only be used for external interference such as electric vehicles. It is used on relatively small vehicles, but it is obviously impossible to use it on vehicles with complex environment and strong anti-interference requirements such as internal combustion special vehicles for engineering

For example, patent No. 201110173360.8 discloses a bulldozer digital instrument panel, 201120241512.9 discloses an automobile instrument panel, and 200710013490.9 discloses patents such as an electronic instrument panel for a motor vehicle, all of which only improve the display method of the instrument panel, but do not aim at the instrument panel. Wiring, the anti-interference ability of the instrument panel and other aspects are improved, and the important indicators of safety and operating efficiency required by engineering vehicles cannot be achieved.

Images