CN206805237U

CN206805237U - A kind of SCM Based more steering engine driving devices

Info

Publication number: CN206805237U
Application number: CN201720680861.8U
Authority: CN
Inventors: 李晖; 刘偲艳; 葛庆
Original assignee: Hunan Vocational Institute of Technology
Current assignee: Hunan Vocational Institute of Technology
Priority date: 2017-06-13
Filing date: 2017-06-13
Publication date: 2017-12-26
Anticipated expiration: 2027-06-13

Abstract

The utility model discloses a kind of SCM Based more steering engine driving devices, including power supply, push-button unit, serial communication unit, single-chip microcomputer, display unit and driving output unit, the power supply is connected with single-chip microcomputer, working power is provided for whole drive device, push-button unit, display unit are connected with single-chip microcomputer, single-chip microcomputer is with driving the input of output unit to be connected, the output end of driving output unit is connected with multiple steering wheels respectively, and the single-chip microcomputer is connected by serial communication unit with host computer.The utility model exports PWM ripples to drive multiple steering wheels by single-chip microcomputer, and output parameter can be adjusted by push-button unit, also provides the display unit with Chinese character, has the advantages of simple in construction, reliability is high, using flexible.

Description

A kind of SCM Based more steering engine driving devices

Technical field

It the utility model is related to a kind of SCM Based more steering engine driving devices.

Background technology

Steering wheel is a kind of important executing agency, and it can rotate corresponding angle according to the pulse width of control signal, and And the angle rotated belongs to proportionate relationship with pulse width, has use in many fields, such as agricultural machinery, industrial equipment, disappears Take electronic product, medical treatment electronic equipment., function list be present in traditional more servo driving generally use motors driving special chip First, cost is high, uses inflexible defect.

The content of the invention

In order to solve the above-mentioned technical problem, the utility model provides a kind of simple in construction, cost low SCM Based More steering engine driving devices.

The technical scheme that the utility model solves the above problems is：A kind of SCM Based more steering engine driving devices, bag Include power supply, push-button unit, serial communication unit, single-chip microcomputer, display unit and driving output unit, the power supply and single-chip microcomputer phase Even, working power is provided for whole drive device, push-button unit, display unit are connected with single-chip microcomputer, and single-chip microcomputer exports with driving The input of unit is connected, and drives the output end of output unit to be connected respectively with multiple steering wheels, the single-chip microcomputer is led to by serial ports Letter unit is connected with host computer.

Above-mentioned SCM Based more steering engine driving devices, in addition to alarm unit, alarm unit are connected with single-chip microcomputer.

Above-mentioned SCM Based more steering engine driving devices, the driving output unit are multiple slotting to match with steering wheel Fitting.

Above-mentioned SCM Based more steering engine driving devices, the single-chip microcomputer use AT89S52.

Above-mentioned SCM Based more steering engine driving devices, the display unit use LCD128*64.

Above-mentioned SCM Based more steering engine driving devices, the serial communication unit master chip use MAX232.

The beneficial effects of the utility model are：The utility model exports PWM ripples to drive multiple steering wheels by single-chip microcomputer, And can by push-button unit adjust output parameter, also provide with Chinese character display unit, have it is simple in construction, can The advantages of by property height, using flexible.

Brief description of the drawings

Fig. 1 is structured flowchart of the present utility model.

Fig. 2 is the circuit diagram of single-chip microcomputer in Fig. 1.

Fig. 3 is the circuit diagram of push-button unit in Fig. 1.

Fig. 4 is the circuit diagram of display unit in Fig. 1.

Fig. 5 is the circuit diagram that output unit is driven in Fig. 1.

Fig. 6 is the circuit diagram of serial communication unit in Fig. 1.

Fig. 7 is the circuit diagram of alarm unit in Fig. 1.

Embodiment

The utility model is further described with reference to the accompanying drawings and examples.

As shown in figure 1, the utility model includes a kind of SCM Based more steering engine driving devices, including power supply, button Unit, serial communication unit, single-chip microcomputer, display unit and driving output unit, the power supply are connected with single-chip microcomputer, are driven to be whole Dynamic device provides working power, and push-button unit, display unit are connected with single-chip microcomputer, the input of single-chip microcomputer and driving output unit Be connected, drive the output end of output unit to be connected respectively with multiple steering wheels, the single-chip microcomputer by serial communication unit with it is upper Machine is connected.

As shown in Fig. 2 the single-chip microcomputer uses AT89S52.Power module is P, and power supply is provided for device, is one and patches Part, accessed by outside.Single-chip minimum system is made up of single-chip microcomputer, reset circuit and crystal oscillator, and reset circuit is answered for high level Position, press and provide a high level to the 9th pin of single-chip microcomputer after reset key, the frequency of crystal oscillator is 11.0592MHZ, C2 and C3 Value 33pF.

Fig. 3 is the circuit diagram of push-button unit, and button is as customer parameter input equipment, by key-press input adjusting parameter, Push-button unit uses 6 button SW1-SW6, and one end is connected with the P3.2-P3.7 of single-chip microcomputer respectively, and the other end is connected to ground.

As shown in figure 4, the display unit uses LCD128*64.LCD liquid crystal display screen passes through liquid as display device Crystal display screen shows the parameter of the present apparatus.The data terminal of liquid crystal display is connected with P0 mouths, three ports and the P1 phases of control terminal Connection, using parallel interface, adjustable resistance PLP is accessed to adjust the brightness of backlight in outside.

As shown in figure 5, the driving output unit is the multiple plug connectors to match with steering wheel.The pulsewidth of single-chip microcomputer output Control signal is directly output to the input of steering wheel.Output unit is driven to be exported with six tunnels, each connector is using 3 ends Son, a terminal connect power supply, a terminal ground, and another terminal is connected with the P2.0-P2.5 mouths of single-chip microcomputer respectively.

As shown in fig. 6, the serial communication unit master chip uses MAX232.Can be with other devices by communication module Or host computer carries out the transmission of parameter.After adding peripheral circuit, one end connects the P3.0 and P3.1 of single-chip microcomputer, the other end and COM9 phases Connection.

As shown in fig. 7, alarm unit uses loudspeaker, the P3.7 ports of single-chip microcomputer are connected with triode Q10 base stage, lead to The break-make for crossing control triode Q10 carrys out the on/off of controlling loudspeaker, is alarmed.

Claims

A kind of 1. SCM Based more steering engine driving devices, it is characterised in that：Including power supply, push-button unit, serial communication list Member, single-chip microcomputer, display unit and driving output unit, the power supply are connected with single-chip microcomputer, and work is provided for whole drive device Power supply, push-button unit, display unit are connected with single-chip microcomputer, and single-chip microcomputer is with driving the input of output unit to be connected, driving output The output end of unit is connected with multiple steering wheels respectively, and the single-chip microcomputer is connected by serial communication unit with host computer.
2. SCM Based more steering engine driving devices according to claim 1, it is characterised in that：It is single also to include alarm Member, alarm unit are connected with single-chip microcomputer.
3. SCM Based more steering engine driving devices according to claim 1, it is characterised in that：The driving output is single Member is the multiple plug connectors to match with steering wheel.
4. SCM Based more steering engine driving devices according to claim 1, it is characterised in that：The single-chip microcomputer uses AT89S52。
5. SCM Based more steering engine driving devices according to claim 1, it is characterised in that：The display unit is adopted Use LCD128*64.
6. SCM Based more steering engine driving devices according to claim 1, it is characterised in that：The serial communication list First master chip uses MAX232.