CN201926906U - Novel lubricating control system of steel rolling main motor - Google Patents

Abstract

The utility model discloses a novel lubricating control system of a steel rolling main motor, wherein a CPU (central processing unit) of a main electric room control cabinet PLC (programmable logic controller) is provided with a DP (data processing) port and an Ethernet port; the DP port in the CPU of the main electric room control cabinet PLC is connected with a main electric room touch screen through a DP cable; the Ethernet interface in the main electric room control cabinet delivers out two paths of information; one path of information is delivered to a touch screen of a mastesave control cubicle, and the other path of information is delivered to an upper computer; the DP port of a PLC in a main electric room control cabinet is connected with a field control cabinet through a DP cable; the field control cabinet comprises a first field control cabinet and a second field control cabinet, wherein the first field control cabinet controls a No.1 high and low voltage lubricating station to work, and the second field control cabinet controls a No.2 high and low voltage lubricating station to work; and the first field control cabinet is communicated and connected with the second field control cabinet in series. The novel lubricating control system has reasonable structure and large communication and control information quantity, and is accurate and reliable.

Description

Steel rolling master motor novel lubricating control system

Technical field

The utility model belongs to electrical automatic control equipment, and it relates to a kind of steel industry that is mainly used in, the novel electric control system of the high-low pressure thin oil lubricant that uses with steel rolling production-line master electric drilling match.

Background technology

Motor is lubricated mainly to be that oil site to steel mill electric machine is lubricated, and reduces friction, motor is played a very good protection, and then prolong electrical machinery life, and be the lubricating system of steel rolling industry indispensability.The traditional way of lubricated electric control system for many steel mill electric machines that move simultaneously is to set up a plurality of PLC websites, realizes many places monitoring dilute oil lubrication stations, and each website is controlled by the CPU of a PLC respectively.But because costing an arm and a leg of CPU causes production cost to improve, many CPU communication signal is numerous and diverse, is difficult to handle; Operation and monitoring components and parts such as a large amount of pilot lamp, knob, button and secondary instrument are set in another aspect electrical control cabinet, quantity is big, wiring is complicated, and potential faults point is many, and these bring very big inconvenience for production, the operation and maintenance of electrical control gear; In addition, traditional lubrication station is to send by the point-to-point form of switching value signal of no source contact with running status and direct information host computer, needs auxiliary reclay to isolate and connection line, and making when cost performance is examined has certain limitation aspect the quantity of information.

Summary of the invention

It is a kind of rational in infrastructure that the purpose of this utility model is to provide, and communication, control information amount are big, and accurately, steel rolling master motor novel lubricating control system reliably.

Technical solution of the present utility model is:

A kind of steel rolling master motor novel lubricating control system, it is characterized in that: comprise the motor room switch board, be provided with DP mouth and Ethernet interface among the CPU of motor room switch board PLC, the DP mouth is connected with the motor room touch-screen by the DP cable among the CPU of motor room switch board PLC, Ethernet interface in the motor room switch board is sent two-way information, one the tunnel is sent on the touch-screen of major-minor control cabin, and one the tunnel is sent to host computer; Be connected by the DP cable between the DP mouth of PLC and the field control cabinet in the motor room switch board; The field control cabinet comprises the primary scene switch board of a high-low pressure Lubricating-oil Station of control work and the secondary scene switch board of No. two high-low pressure Lubricating-oil Station of control work, and the primary scene switch board is connected the connected mode that adopts series connection with the communication of secondary scene switch board.

Described primary scene switch board is connected the connected mode that adopts series connection with the communication of secondary scene switch board, specifically: be connected on the bus contact of touch-screen on the primary scene switch board with the DP cable on the DP mouth of motor room switch board CPU, the bus contact of hindering touch-screen from the primary scene switch board comes out to be connected to the interface module of primary scene switch board then; The DP cable of drawing from the interface module of primary scene switch board enters the joint of touch-screen on the switch board of the secondary scene, and the DP cable that the joint of touch-screen is drawn from the switch board of the secondary scene is connected on the interface module of secondary scene switch board at last.

Advantage of the present utility model is: (1) reduces wiring, reduces cost.Only a CPU is set in the website of motor room as the control maincenter, interface module is set at the scene, deliver to the control maincenter by its data with on-the-spot distributed I/O, reduced the quantity of 2 Programmable Logic Controller CPU than conventional electrical control device, because CPU costs an arm and a leg, so greatly reduce production cost, it is numerous and diverse to have solved many CPU communication signal, reluctant situation.Components and parts such as signal lamp, rotary switch, button, instrument demonstration are removed, directly in the touch-screen picture, realize monitoring, reduced the input point of PLC, reduced wiring, save the production time, also reduced simultaneously and joined intertwining mistake and, help the maintenance and the maintenance of device because of lead and the not firm incidence that causes the operation troubles of loose contact of element crimping.(2) the polylith touch-screen links, and has improved the scientific and technological content and the market competitiveness of product.The PLC of motor room and four touch-screens are realized communication, by programming and network communication, realize the operating right of different touch-screens according to different Correlation Criterias, and then realize interactive control.By running status and the direct information host computer of Ethernet interface with lubrication station, abandoned traditional switching value signal transmission form, utilizing a CPU(tradition is three CPU) and realizing dialogue with host computer, system obtains simplifying, and is high in technological content.(3) the touch-screen picture is directly perceived, vivid, user-friendly and monitoring.The touch-screen homepage with lubrication principle figure as main expression-form, various states and numerical value are presented on the homepage comprehensively, dynamically, the trend family curve and the various alerting signal that also can show various analog quantity operations, more deep, more direct, more practical like this human-based management mode make the interaction of people and machinery compartment become simply, instant, effectively, improved user's work efficiency and accuracy to a great extent.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the configuration diagram of an embodiment of the utility model.

Embodiment

A kind of steel rolling master motor novel lubricating control system; comprise that the control maincenter is the motor room switch board; comprise in the motor room switch board 9: the CPU12 of low voltage control protecting component 10, power module 11, Programmable Logic Controller, I/O module 13; the DP mouth is connected with motor room touch-screen 2 by the DP cable among the CPU of motor room switch board PLC, wherein among the CPU of Programmable Logic Controller PLC DP mouth and Ethernet interface is arranged.The field control cabinet has two 14,15, and wherein every comprises: low voltage control protecting component 16, power module 17, remote I/O module 18, interface module 19 and touch-screen have the DP mouth in the described interface module.Communication between the inside is to adopt the DP communication between CPU in the motor room switch board and motor room touch-screen, field control cabinet, the on-the-spot touch-screen, by realizing interactive monitoring function between DP network and the touch-screen; And external communication is that ethernet communication is adopted in the communication between CPU in the motor room switch board and major-minor control cabin touch-screen, the host computer.

Concrete structure: adopt ethernet communication between motor room and major-minor control cabin, the host computer.By the Ethernet interface in the motor room switch board 3, send two-way information: the one tunnel is sent on the touch-screen 1 of major-minor control cabin, and one the tunnel is sent to host computer.

Adopt the PROFIBUS-DP communication modes between motor room and the scene.Be connected by the DP cable between the DP mouth 4 of PLC and the motor room touch-screen 2 in the motor room switch board; PLC and primary scene switch board are connected the connected mode that adopts series connection with communication in the switch board of the secondary scene in the motor room switch board, promptly be connected to the DP cable on the DP mouth 4 of motor room switch board CPU on the PROFIBUS bus contact of touch-screen 5 on the primary scene switch board, coming out to be connected to the DP mouth 6 of interface module of the primary scene switch board 14 of high-low pressure Lubricating-oil Station of control 20 work then from the bus contact of touch-screen 5; The DP cable of drawing from the DP mouth 6 of interface module enters the PROFIBUS joint of touch-screen 7 on the switch board of the secondary scene, and the DP cable of drawing from the PROFIBUS joint of touch-screen 7 is connected on the DP mouth 8 of interface module of secondary scene switch board 15 of No. two high-low pressure Lubricating-oil Station of control 21 work at last.

Claims (2)

1. steel rolling master motor novel lubricating control system, it is characterized in that: comprise the motor room switch board, be provided with DP mouth and Ethernet interface among the CPU of motor room switch board PLC, the DP mouth is connected with the motor room touch-screen by the DP cable among the CPU of motor room switch board PLC, Ethernet interface in the motor room switch board is sent two-way information, one the tunnel is sent on the touch-screen of major-minor control cabin, and one the tunnel is sent to host computer; Be connected by the DP cable between the DP mouth of PLC and the field control cabinet in the motor room switch board; The field control cabinet comprises the primary scene switch board of a high-low pressure Lubricating-oil Station of control work and the secondary scene switch board of No. two high-low pressure Lubricating-oil Station of control work, and the primary scene switch board is connected the connected mode that adopts series connection with the communication of secondary scene switch board.

2. steel rolling master motor novel lubricating control system according to claim 1, it is characterized in that: described primary scene switch board is connected the connected mode that adopts series connection with the communication of secondary scene switch board, specifically: be connected on the bus contact of touch-screen on the primary scene switch board with the DP cable on the DP mouth of motor room switch board CPU, the bus contact of hindering touch-screen from the primary scene switch board comes out to be connected to the interface module of primary scene switch board then; The DP cable of drawing from the interface module of primary scene switch board enters the joint of touch-screen on the switch board of the secondary scene, and the DP cable that the joint of touch-screen is drawn from the switch board of the secondary scene is connected on the interface module of secondary scene switch board at last.

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