阅读说明：本技术 基于单片机的船舶主机燃油黏度控制系统 (SCM Based marine main engine fuel oil viscosity control system ) 是由 李汝会 赵尚伟 朱戈 于 2018-05-27 设计创作，主要内容包括：基于单片机的船舶主机燃油黏度控制系统,属于传感器检测技术领域,是主要由温度传感、黏度传感器、放大调制电路、A/D转换器、单片机、键盘与显示模块、驱动电路、执行机构、串行通信模块和报警电路组成的,其特征在于：所述温度传感器与黏度传感器均与放大调制电路相连接,放大调制电路和A/D转换器相连接,A/D转换器检测到的信号再经过单片机,单片机和键盘与显示模块相连接,驱动电路设置在单片机的输出端,驱动电路和执行机构相连接,串行通信模块和报警电路均设置在单片机的输出端,大提高了系统的动态控制精度,满足了系统对黏度控制的要求,系统整体造价低,可靠性高,扩展性能好。(SCM Based marine main engine fuel oil viscosity control system, belong to sensor detecting field, it is mainly by temperature sensing, viscosity transducer, amplification modulating circuit, A/D converter, single-chip microcontroller, keyboard and display module, driving circuit, executing agency, what serial communication module and warning circuit formed, it is characterized by: the temperature sensor is connected with amplification modulating circuit with viscosity transducer, amplification modulating circuit is connected with A/D converter, the signal that A/D converter detects is using single-chip microcontroller, single-chip microcontroller and keyboard are connected with display module, the output end of single-chip microcontroller is arranged in driving circuit, driving circuit is connected with executing agency, serial communication module and warning circuit are arranged at the output end of single-chip microcontroller, the dynamic control precision of system is improved greatly, system is met to want viscosity control It asks, system overall cost is low, high reliablity, and scalability is good.)

1. SCM Based marine main engine fuel oil viscosity control system is mainly to be adjusted by temperature sensing, viscosity transducer, amplification Circuit, A/D converter, single-chip microcontroller, keyboard and display module processed, driving circuit, executing agency, serial communication module and alarm electricity Road composition, it is characterised in that: the temperature sensor is connected with amplification modulating circuit with viscosity transducer, amplification modulation Circuit is connected with A/D converter, and the signal that A/D converter detects is using single-chip microcontroller, single-chip microcontroller and keyboard and display mould Block is connected, and the output end of single-chip microcontroller is arranged in driving circuit, and driving circuit is connected with executing agency, serial communication module and Warning circuit is arranged at the output end of single-chip microcontroller.

2. SCM Based marine main engine fuel oil viscosity control system as described in claim 1, it is characterised in that: described Single-chip microcontroller uses 8031 single-chip microcontrollers of MCS-51 series.

3. SCM Based marine main engine fuel oil viscosity control system as described in claim 1, it is characterised in that: described Serial communication module uses 8255 communication interfaces.

Technical field

The present invention relates to SCM Based marine main engine fuel oil viscosity control systems, belong to sensor detecting neck Domain.

Background technique

The formation and development of fuel oil viscosity control system be with modern Electromechanical Control technology development it is closely related with The development of Computer Control Technology and electronic technology, single-chip microcontroller and programmable controller are flown as industrial equipment control system Speed development, is also widely applied in terms of ship equipment control.And the control unit that single-chip microcontroller is controlled as fuel oil viscosity, Not only there is very strong anti-interference ability and very high reliability, but also easy to learn, easy to maintain.Therefore, made with single-chip microcontroller Be widely used for fuel oil viscosity control system, into the nineties, using singlechip group at fuel oil viscosity control system System, has biggish improvement to conventional fuel oil viscosity control system.It is glutinous that the present invention researches and develops SCM Based marine main engine fuel oil Spend control system.

Summary of the invention

In view of the above deficiencies, the present invention provides SCM Based marine main engine fuel oil viscosity control systems.

The present invention is achieved by the following technical solutions: SCM Based marine main engine fuel oil viscosity control system, It is mainly by temperature sensing, viscosity transducer, amplification modulating circuit, A/D converter, single-chip microcontroller, keyboard and display module, driving What circuit, executing agency, serial communication module and warning circuit formed, it is characterised in that: the temperature sensor and viscosity pass Sensor is connected with amplification modulating circuit, and amplification modulating circuit is connected with A/D converter, the letter that A/D converter detects Number it is connected using single-chip microcontroller, single-chip microcontroller and keyboard with display module, the output end of single-chip microcontroller is arranged in driving circuit, driving Circuit is connected with executing agency, and serial communication module and warning circuit are arranged at the output end of single-chip microcontroller.

The single-chip microcontroller uses 8031 single-chip microcontrollers of MCS-51 series.

The serial communication module uses 8255 communication interfaces.

The invention has the beneficial effect that SCM Based marine main engine fuel oil viscosity control system of the invention, mentions greatly The dynamic of high system controls precision, meets the requirement that system control viscosity, system overall cost is low, high reliablity, expansion Malleability can be good.

Detailed description of the invention

Fig. 1 is system schematic of the invention.

In figure, 1, temperature sensor, 2, viscosity transducer, 3, amplification modulating circuit, 4, A/D converter, 5, single-chip microcontroller, 6, Keyboard and display module, 7, driving circuit, 8, executing agency, 9, serial communication module, 10, warning circuit.

Specific embodiment

SCM Based marine main engine fuel oil viscosity control system is mainly by temperature sensor 1, amplification modulating circuit 2, viscosity transducer, 3, A/D converter 4, single-chip microcontroller 5, keyboard and display module 6, driving circuit 7, executing agency 8, serial logical Believe what module 9 and warning circuit 10 formed, it is characterised in that: the temperature sensor 1 and viscosity transducer 2 are modulated with amplification Circuit 3 is connected, and amplification modulating circuit 3 is connected with A/D converter 4, and the signal that A/D converter 4 detects is using monolithic Machine 5, single-chip microcontroller 5 and keyboard are connected with display module 6, and the output end of single-chip microcontroller 5,7 He of driving circuit is arranged in driving circuit 7 Executing agency 8 is connected, and serial communication module 9 and warning circuit 1 are arranged at the output end of single-chip microcontroller 4.

The single-chip microcontroller 5 uses 8031 single-chip microcontrollers of MCS-51 series.

The serial communication module 9 uses 8255 communication interfaces.

At work, this system uses 8031 and is used as microprocessor the present apparatus, using EVT-10 viscosity transducer and PT100 temperature sensor is combined with amplifier constitutes accurate measurement circuit, and the analog quantity measured 8 multipath conversions of feeding are opened DG508 is closed, 8031 are sent into accurate voltage-frequency by mono- tunnel DG508 that data/address bus is selected through programmable parallel interface 8255 Analog quantity is converted into digital quantity by converter LM331, is then fed into 8031 timer counter, and 8031 turn pulse signal Change corresponding viscosity or temperature value into, it is used to control and showing, it is ensured that viscosity signal measurement precision, improves former system The fuel oil viscosity of system controls precision, and without especially maintenance, manages more easy.

For the ordinary skill in the art, introduction according to the present invention, do not depart from the principle of the present invention with In the case where spirit, changes, modifications that embodiment is carried out, replacement and variant still fall within protection scope of the present invention it It is interior.