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Programmable music fountain control system

A control system, music fountain technology, applied in electrical program control, comprehensive factory control, injection devices, etc., can solve problems such as failure to real-time alarm, sub-module inability to communicate, low data transmission rate, etc., to achieve real-time fault diagnosis. , the effect of reduced requirements, strong scalability

Inactive Publication Date: 2012-02-29
江苏长江环境科技工程有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the control method using RS485 master-slave communication control module has low data transmission rate and no communication between sub-modules, so that all signals can only be controlled by the master node, which is inefficient, not suitable for high-speed shape changes, and cannot realize faults real-time alarm

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0055] like figure 1As shown, the programmable music fountain control system 10, the system includes a host computer 3, several control modules and a drive module 1, the main control module 5 in the several control modules is provided with an RS232 interface 4, and the RS232 interface 4 is connected with the host computer 3, Other control modules are used as expansion module 2. The main control module 5 and each extension module 2 include a CPU. The switch control output interface 6 of the CPU is connected to the drive module 1 , and 64 channels of switch quantity control are output to the drive module 1 . Several control modules are connected via the CAN bus 8 . The drive module 1 consists of a high-power thyristor and a photoelectric isolation period to form a solid-state relay group, which is used to drive different pumps and solenoid valve relays.

[0056] like figure 2 As shown, in this embodiment, figure 2 It is a structural block diagram of the main control modul...

Embodiment 2

[0093] The difference between this embodiment and the previous one is that the structures of all control modules are the same as figure 2 As shown, the working mode selection switch 12 is used to control the connection state between the RS232 interface and the host computer 3 , and the address selection switch determines whether the control module is the main control module 5 or the expansion module 2 .

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Abstract

The invention relates to a programmable music fountain control system, which aims at providing the music fountain control system with the characteristics of strong expandability, simple programming, low cost, flexible control and the like. The technical scheme for realizing the aim of the invention is as follows: the programmable music fountain control system comprises an upper computer, a plurality of control modules and a drive module; each control module comprises a CPU, the CPU is connected with the drive module via a switch control output interface; in a plurality of control modules, each control module has a unique address, each control module RS232 is internally provided with a FLASH memory and is connected with a CAN bus interface, and a plurality of control modules are connected with a CAN bus via the CAN bus interface; at least one control module in a plurality of control modules is provided with a serial data interface connected with the CPU, the module is connected with the upper computer via the serial data interface and is a master control module, and other control modules are extension modules.

Description

technical field [0001] The invention relates to a programmable music fountain control system, mainly relating to the control of the music fountain system by field bus technology. Background technique [0002] At present, there are three types of commonly used music fountains to control each fountain node: programmable logic controller (PLC) control, industrial computer direct control, and RS485 master-slave communication control module. [0003] Using programmable logic controller (PLC) to control and control each fountain node is costly. At the same time, due to the individual characteristics of musical fountains, each musical fountain has its own independent changes and flower shapes, so a lot of programming work is required in different engineering applications. . At the same time, the programmable controller can only be expanded in a short distance. For the control nodes that are separated far away, the current can only be transmitted to the controlled node with a high-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418B05B17/08
Inventor 罗石谢振国缪家斌张超孙琦曹为欣桑鑫平
Owner 江苏长江环境科技工程有限公司
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