CN103902048A

CN103902048A - Special keyboard for offshore engineering vessel

Info

Publication number: CN103902048A
Application number: CN201210566425.XA
Authority: CN
Inventors: 周志玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-25
Filing date: 2012-12-25
Publication date: 2014-07-02

Abstract

The invention provides a special keyboard for an offshore engineering vessel. The special keyboard is connected with a vessel control system computer; a keyboard interface and a mouse interface of the special keyboard are connected with the system control computer through DB9 interfaces, and DB9 interface fixing devices can effectively prevent sliding off, caused by shake of the vessel, of the interfaces; DC24V power supply is adopted so that a power supply can be obtained conveniently; the PVC pasting technology is adopted for the surface, and the IP22 protection level can be achieved; a slight touch button is used, input needs a certain amount of pressing force, and mistaken operation can be effectively avoided in a vessel driven process; the embedded design is adopted, the special keyboard can be embedded into a vessel control platform very conveniently, and safety can be guaranteed to the maximum extent under a shake environment of the vessel; key backlights are adopted, ten levels of brightness can be achieved, and therefore construction requirements of the vessel at night can be met; three control knobs are arranged, and therefore the requirement for knob signals of an offshore engineering control system during operation is met.

Description

A kind of ocean engineering ship keyboard special

Technical field

The present invention relates to a kind of keyboard, relate in particular to a kind of ocean engineering ship keyboard special.

Background technology

Ocean engineering ship has control system and computing machine, needs configuration operation keyboard.If the operation keyboard of ocean engineering ship adopts common PC keyboard, the problem of existence is: 1, common PC keyboard adopts 5V power supply, can not adapt to ship control system power requirement.2, ocean engineering ship is in the time carrying on construction work at night, and unaffected in order to guarantee driver's eyesight, pilothouse need to be closed illumination, and common PC keyboard does not have KBD-LIGHT.3, the surface of common PC keyboard does not reach the IP22 degree of protection of " steel seagoing vessel classification rules 2006 " version regulation.4, boats and ships are subject to stormy waves and wave in ocean, and common PC keyboard can not be effectively fixing.5, ocean engineering ship control system need to have the specific (special) requirements such as knob signal in operation, and common PC keyboard does not have knob key.

Summary of the invention

Goal of the invention: the object of this invention is to provide a kind of ocean engineering ship keyboard special.

Technical scheme: in order to solve the problems of the technologies described above, a kind of ocean engineering ship keyboard special of the present invention, comprise C8051F040 single-chip microcomputer, 2 24S5 power supplys, 36 key control panels, 3 groups of knob input-output units, 10 6B595 chips, 38 indication LED, 36 background LED, logic/differential level conversion and control Transmit-Receive Unit, keyboard special is connected with control system computing machine.

A kind of ocean engineering ship keyboard special of the present invention, adopt C8051F040 Single-chip Controlling, single-chip microcomputer weldering is attached on pcb board (GSI_DPDT1.pcb), connect 10 6B595 chips by spi bus, expand 80 road output ports, for 36 background LED and 38 indication LED on control panel, there are in addition 36 way switch input signal access single-chip microcomputers, for gathering user's button operation, single-chip microcomputer carries out light modulation by 36 background LED and 38 indication LED on PWM mode counter plate, light modulation divides ten grades of brightness that every grade of correspondence is different, keyboard special also disposes three road knob signals, knob uses the individual pen Wound-rotor type potentiometer of 3 2K, they are by the voltage follow device of 3 integrated dual operational amplifier designs of LM358, coordinate the V of single-chip microcomputer _rEFthereby by the V getting _rEFaIN0.0～the AIN0.2 of input single-chip microcomputer, so just gathers user into single-chip microcomputer to the operation of knob.Single-chip microcomputer is by logic/differential level conversion and control Transmit-Receive Unit of designed, designed, expand 1 road RS232/485 communication interface (RS232/485 can select according to user and requirement of engineering), this interface is connected with control system computing machine, just can communicate with control system computing machine by this communication interface keyboard special, complete the function of input, output.

Accompanying drawing explanation

Fig. 1 is profile three-view diagram of the present invention

Fig. 2 is electrical schematic of the present invention

Embodiment

As shown in Figure 1, ocean engineering ship keyboard special is connected with control system computing machine (10); It is to adopt DB9 interface that the keyboard interface of keyboard special is connected with control system computing machine (10) with mouse interface, and DB9 interface fixing apparatus can effectively prevent from trying to shirk responsibility because boats and ships shake the interface causing; Keyboard special uses DC24V power supply, because DC24V power supply is industrial standard power supply, keyboard special can be obtained power supply easily like this; Keyboard special surface adopts PVC film coating process, can reach IP22 degree of protection; Press light touch type button, input needs certain pressing force, in ship-handling process, can effectively avoid maloperation; Keyboard special adopts embedded design, can embed easily in control desk, rocks under environment and can farthest guarantee safety at boats and ships; Keyboard special have 36 buttons and key-press backlight lamp, 38 pilot lamp, 3 control knobs, a track ball mouse, can in dark environment, operate, can meet the specific (special) requirements of knob signal.

As shown in Figure 2, a kind of ocean engineering ship keyboard special comprises: single-chip microcomputer (1), 24S5 power supply (2) and (3), control panel (4), control handle (5), 6B595 chip (6), 38 indication LED (8), 36 background LED (9), logic/differential level conversion and control Transmit-Receive Unit (7), keyboard special is connected with control system control computing machine (10).

Single-chip microcomputer (1) is the processing core of system, 24S5 power supply (2) and (3) convert 5V working power to single-chip microcomputer (1) and logic/differential level conversion and control Transmit-Receive Unit (7) power supply by additional DC24V power supply, control handle (5) is 3 groups of knob input blocks, AIN0.0～AIN0.2 that each knob is delivered to single-chip microcomputer (1) by LM358 dual operational amplifier by voltage signal gathers, and the reference voltage 2.4V that they use is the V by single-chip microcomputer (1) _rEFpin fetches.36 key-press input units of control panel (4), it directly accesses 36 push button signallings P4.0～P4.7, P5.0～P5.7, P6.0～P6.7, P2.0～P2.7, P7.0～P7.3 pin of single-chip microcomputer (1).Single-chip microcomputer (1) gathers control panel (4), after the signal of control handle (5), signal is packed by logic/differential level conversion and control Transmit-Receive Unit (7), become RS232 or 485 signals to enter dynamic tracking and dynamic positioning system control computing machine (10) logic level transition, (10) after judgement, will operate and determine to send to again single-chip microcomputer (1) by Transmit-Receive Unit (7), single-chip microcomputer (1) arrives 6B595 chip (6) according to the operation requests of controlling computing machine (10) by spi bus, the data that 6B595 chip (6) is sent according to single-chip microcomputer (1) operate, light or extinguish 38 indication LED (8) and 36 background LED (9).Single-chip microcomputer (1) also can carry out light modulation processing to 38 indication LED (8) and 36 background LED (9) according to " Dim " signal in control handle (5).

After system starts, 24S5 power supply (2) is to single-chip microcomputer (1), 24S5 power supply (3) starts power supply to Transmit-Receive Unit (7), single-chip microcomputer (1) and Transmit-Receive Unit (7) are started working, single-chip microcomputer (1) first sends duty by 6B595 chip (6) to 36 background LED (9), open all output in (9) (starting backlight), after this single-chip microcomputer (1) starts to read duty and the data of control panel (4) and control handle (5), single-chip microcomputer (1) data that read are processed and packed (serial ports bag), the rear single-chip microcomputer (1) of having packed has judged whether transmitting time according to the interrupt request of self timer, as "Yes" sends to Transmit-Receive Unit (7) by the serial ports bag of accomplishing fluently, the data level that Transmit-Receive Unit (7) is sent single-chip microcomputer (1) is changed, again the data after conversion are sent in real time and control computing machine (10), as "No" continues to wait for, controlling computing machine (10) receives after the data that keyboard special sends through a series of processing, judgement, again result and work are sent to Transmit-Receive Unit (7), Transmit-Receive Unit (7) is changed and is sent in real time single-chip microcomputer (1) to again controlling data level that computing machine (10) sends, single-chip microcomputer (1) unpacks and processes packet after the packet that receives control computing machine (10), single-chip microcomputer after being disposed (1) is according to the solicit operation output unit of controlling computing machine (10), be that single-chip microcomputer (1) sends to 38 indication LED (8) and 36 background LED (9) duty of controlling computing machine (10) request by 6B595 chip (6), complete after aforesaid operations, single-chip microcomputer (1) has just completed the one action cycle, after this single-chip microcomputer (1) starts to read duty and the data of control panel (4) and control handle (5) again, carry out operation below, so circulation is until the requested termination of program.When user operates, be exactly operation control panel (4) and control handle (5) button and knob above, and the indication of reading 38 indication LED (8) and 36 background LED (9).

Claims

1. an ocean engineering ship keyboard special, comprise: single-chip microcomputer (1), 24S5 power supply (2) and (3), control panel (4), control handle (5), 6B595 chip (6), 38 indication LED (8), 36 background LED (9), logic/differential level conversion and control Transmit-Receive Unit (7), keyboard special is connected with control system computing machine (10).

2. a kind of ocean engineering ship keyboard special according to claim 1, it is characterized in that, single-chip microcomputer (1) pastes and is welded on pcb board, connect 10 6B595 chips (6) by spi bus, expand 80 road output ports, for 36 background LED (9) and 38 indication LED (8) on control panel, there are in addition 36 way switch input signal access single-chip microcomputers (1), for gathering user's button operation, single-chip microcomputer carries out light modulation by 36 the background LED (9) on PWM mode counter plate and 38 indication LED (8), light modulation divides ten grades of brightness that every grade of correspondence is different, single-chip microcomputer (1) is by logic/differential level conversion and control Transmit-Receive Unit (7), expand 1 road RS232/485 communication interface, this interface is connected with control system computing machine (10), complete input, the function of output.

3. a kind of ocean engineering ship keyboard special according to claim 1, it is characterized in that, control handle (5) uses the individual pen Wound-rotor type potentiometer of 3 2K, by the voltage follow device of 3 integrated dual operational amplifier designs of LM358, coordinates the V of single-chip microcomputer _rEFthereby by the V getting _rEFaIN0.0～the AIN0.2 of input single-chip microcomputer.

4. a kind of ocean engineering ship keyboard special according to claim 1, it is characterized in that, it is to adopt DB9 interface that the keyboard interface of keyboard special is connected with control system computing machine (10) with mouse interface, use DC24V power supply, surface of keyboard adopts PVC film coating process, light touch type button, input needs certain pressing force, and keyboard special adopts embedded design.

5. a kind of ocean engineering ship keyboard special according to claim 1, it is characterized in that, 24S5 power supply (2) and (3) convert 5V working power to single-chip microcomputer (1) and logic/differential level conversion and control Transmit-Receive Unit (7) power supply by additional DC24V power supply, and the reference voltage 2.4V that control handle (5) uses is the V by single-chip microcomputer (1) _rEFpin fetches, 36 key-press input units of control panel (4), 36 push button signallings are directly accessed to the P4.0～P4.7 of single-chip microcomputer (1), P5.0～P5.7, P6.0～P6.7, P2.0～P2.7, P7.0～P7.3 pin, single-chip microcomputer (1) gathers control panel (4), after the signal of control handle (5), signal is packed by logic/differential level conversion and control Transmit-Receive Unit (7), logic level transition is become to RS232 or 485 signal metering-in control system computing machines (10), control system computing machine (10) will operate and determine to send to single-chip microcomputer (1) by logic/differential level conversion and control Transmit-Receive Unit (7) again after judgement, single-chip microcomputer (1) arrives 6B595 chip (6) according to the operation requests of control system computing machine (10) by spi bus, the data that 6B595 chip (6) is sent according to single-chip microcomputer (1) operate, light or extinguish 38 indication LED (8) and 36 background LED (9), single-chip microcomputer (1) carries out light modulation processing according to " Dim " signal in control handle (5) to 38 indication LED (8) and 36 background LED (9).