Automobile gear selection switch with controller area network (CAN) communication functions

Abstract

The invention discloses an automobile electronic accessory and particularly relates to an automobile gear selection switch with a CAN communication function, which comprises gear switch buttons, a gear switch controller and locking mechanisms, wherein the gear switch buttons comprise a reverse gear switch button, a neutral gear switch button, a drive gear switch button and a sport gear switch button, the gear switch controller includes a single chip microcomputer, each locking mechanism comprises an electromagnet, a spring and a lockpin, and each gear switch buttons is provided with one locking mechanism. The automobile gear selection switch with the CAN communication function can not only avoid direct switchover between gear switches and prevent faulty switching but also be connected with other controllers easily without addition of circuits so as to reduce cost and waste of energy.

Description

Technical field [0001] The invention relates to an automobile electronic accessory, in particular to an automobile gear selector switch with CAN communication function. Background technique [0002] In recent years, the country has strongly supported the development of new energy buses, and new energy buses rarely use manual transmissions, and generally use shift switches to replace the original shift handles. Existing gear switches include 3 gear switches. R, N, and D represent reverse, neutral, and forward respectively. Generally, industrial interlock switches are used. The mechanical interlock mechanism ensures that when one switch is pressed, other switches will Bouncing, this type of switch has a simple and reliable structure, but there are some problems. [0003] ① Driving safety requires that when switching between R gear and D gear, you must pass through N gear first and step on the brake. The existing gear switch cannot achieve this protection. [0004] ② Driving safety r...

AI Technical Summary

Problems solved by technology

The existing gear switch cannot realize the protection in this respect

[0004] ②Driving safety requires that when the vehicle is driving, the N and R switches cannot be pressed, and the existing gear switches cannot achieve this protection

[0005] ③In the existing gear switch, the gear signal is transmitted to other controllers through wires. When multiple controllers need this signal, the number of wires will increase, and the controller also needs to add 3 input ports to collect gear signals.

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