CN210453257U - Double-control double-machine automatic control system of concrete mixing plant - Google Patents
Double-control double-machine automatic control system of concrete mixing plant Download PDFInfo
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- CN210453257U CN210453257U CN201921154635.1U CN201921154635U CN210453257U CN 210453257 U CN210453257 U CN 210453257U CN 201921154635 U CN201921154635 U CN 201921154635U CN 210453257 U CN210453257 U CN 210453257U
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Abstract
The utility model discloses a double-control double-machine automatic control system of a concrete mixing plant, which comprises two concrete mixing plants, two computers and a network switch system; the two concrete mixing stations are respectively provided with a lower computer for electrically controlling the concrete mixing stations; the lower computers are connected with the computers through a network switch system network, each computer is independently communicated with the two lower computers through the network, and the running state of each device controlled by the two lower computers is displayed. The utility model discloses use two sets of stirring station productions of two computer control, two computers can the one set of stirring station production of independent control, also can the production of two sets of stirring stations of any computer control.
Description
Technical Field
The utility model relates to a concrete production technical field, more specifically the two duplex automatic control systems of two accuses of concrete mixing plant that says so relates to.
Background
The concrete mixing plant is the main equipment for the existing concrete production, and mainly comprises 5 large systems such as a mixing host, a material weighing system, a material conveying system, a material storage system, a control system and the like, and other accessory facilities. The control system is used as the core of the concrete mixing plant and is a key device for high efficiency, accuracy and stability of concrete production. The conventional control systems are classified into the following three types according to control modes:
(1) distributed microcomputer control: this form of control was widely used in earlier mixing plant designs. The core of the control system is a programmable controller, the previous computer is only used for printing the management report, and the function of the computer are not obvious. With the wide application of commercial concrete, the functional requirements on the concrete mixing plant are more and more complex, and the application of the control form is very difficult.
(2) Centralized microcomputer control: the control mode integrates the control and management functions of the computer into one computer, the task is heavy, the statistics of report data in the production process cannot be synchronously carried out, the data cannot be counted at any time, and the measurement aspect is interfered by human factors too much. For example: the metering precision is affected by the programming of the metering control program and the precision of the signal amplifier and the A/D board card.
(3) Centralized double-microcomputer control: this form addresses the artifact interference in metrology. The special batching control instrument is adopted, the production control and management functions are respectively arranged in two computers without mutual interference, the production control and report statistics are synchronously carried out, and the management computer can also be used as a production backup machine and provides a network interface with the previous-level computer.
At present, in concrete production, the three control modes cannot meet high reliability requirements, when a microcomputer fails, firstly, thermal redundancy cannot be achieved, secondly, although redundancy can be achieved through centralized double-microcomputer control, the problem of data loss of a failed machine exists, unified management of production data cannot be met, thirdly, the problems of equipment purchase waste, high labor cost and the like exist.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings, an object of the present invention is to provide a double-control and double-machine automatic control system for a concrete mixing plant, which uses two computers to control two sets of mixing plants for production, wherein the two computers can independently control one set of mixing plant for production, and also can control two sets of mixing plants for production.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme: a double-control double-machine automatic control system of a concrete mixing plant comprises two concrete mixing plants, two computers and a network switch system; the two concrete mixing stations are respectively provided with a lower computer for electrically controlling the concrete mixing stations; the lower computers are connected with the computers through a network switch system network, each computer is independently communicated with the two lower computers through the network, and the running state of each device controlled by the two lower computers is displayed.
Further, the network switch system includes: the system comprises a switch, a standby switch, a firewall and a monitoring module; the switch is respectively connected with the computer and the lower computer through networks, the standby switch is respectively connected with the computer and the lower computer, and the monitoring module is respectively connected with the switch, the standby switch and the external network; the switch is connected with the firewall.
Further, the monitoring module includes: the device comprises a checking unit, a connecting unit and a control unit;
the control unit is used for monitoring data packets of the switch and the standby switch in the data forwarding process;
the connection unit automatically selects whether to stop the switch or not and whether to connect the standby switch or not according to the data information analyzed by the verification unit;
the checking unit is used for carrying out comparison analysis processing on the monitored data information and completing error checking work.
Furthermore, an alarm unit is arranged on the switch and is a voice alarm unit.
Furthermore, the network switch system also comprises a wiring device for connection switching of the main switch and the standby switch; the wiring device comprises three groups of network connection ports with the same quantity with the switch and the standby switch, the first group of network ports are correspondingly connected with the ports of the switch through jumper wires, the second group of network ports are correspondingly connected with the ports of the standby switch through the jumper wires, the third group of network ports are used for connecting a computer and a lower computer, the third group of network ports are respectively provided with a change-over switch between the second group of network ports and the first group of network ports, the change-over switch is connected with the connecting unit and used for realizing the connection of the third group of network ports and the second group of network ports or realizing the connection of the third group of network ports and the first group of network ports.
Further, the computer is provided with double-control dual-computer system software.
In addition, it should be noted that the electrical components used in the present invention are all electrical components known to those skilled in the art.
Contrast prior art, the beneficial effects of the utility model reside in that: the utility model provides a two accuse duplex automatic control systems of concrete mixing plant has realized two sets of stirring station production of computer control, and two computers can the one set of stirring station production of independent control, also can the production of two sets of stirring stations of any computer control. The two computers can be mutually in thermal redundancy, one computer fails, and the other computer can still control the production of the two sets of mixing stations.
The utility model discloses a network switch system carries out the network interaction in-process at computer and next machine through the switch, and the effectual trouble of having avoided a switch takes place to interrupt, has ensured the stability of network. The switch integrated with the firewall can simplify the network structure, reduce network equipment and network investment, and because the connection circuit of the firewall and an internal network is not arranged, possible key fault points of the network are reduced, and the stability of the network is enhanced.
In addition, the network connection of the computer and the lower computer is carried out through the wiring device, the structure is simple, the connection is convenient, the use cost of switch switching is reduced, the dual-computer switching of the main and standby switches can be carried out in time, and therefore the effect that the computer equipment can be quickly recovered to be used when the switch is in failure is achieved.
Therefore, the utility model has the substantive characteristics and the progress.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The double-control double-machine automatic control system of the concrete mixing plant shown in figure 1 is characterized in that: the system comprises two concrete mixing stations, two computers and a network switch system; the two concrete mixing stations are respectively provided with a lower computer for electrically controlling the concrete mixing stations; the lower computers are connected with the computers through a network switch system network, the computers are provided with double-control double-computer system software, each computer is independently communicated with the two lower computers through the network, and the running state of each device controlled by the two lower computers is displayed.
The network switch system includes: the system comprises a switch, a standby switch, a firewall, a monitoring module and a wiring device; the switch is provided with an alarm unit which is a voice alarm unit.
The switch is respectively connected with the computer and the lower computer through the wiring device in a network manner, the standby switch is respectively connected with the computer and the lower computer through the wiring device, and the monitoring module is respectively connected with the switch, the standby switch and the wiring device; the switch is connected with the firewall.
The monitoring module includes: the device comprises a checking unit, a connecting unit and a control unit; the control unit is used for monitoring data packets of the switch and the standby switch in the data forwarding process; the connection unit automatically selects whether to stop the switch or not and whether to connect the standby switch or not according to the data information analyzed by the verification unit.
The wiring device is used for connection switching of the main switch and the standby switch, the wiring device comprises three groups of network connection ports with the same number as the switches and the standby switches, the first group of network ports are correspondingly connected with the ports of the switches through jumper wires, the second group of network ports are correspondingly connected with the ports of the standby switches through the jumper wires, the third group of network ports are used for being connected with a computer and a lower computer, a change-over switch is arranged between the third group of network ports and the second group of network ports and between the third group of network ports and the first group of network ports respectively, and the change-over switch is connected with the connecting unit and used for realizing connection between the third group of network ports and the second group of network ports or connection between the.
On the basis, the utility model discloses when using: two computers with double-control double-computer software and two sets of lower computers are connected together through a network cable and a switch, each computer simultaneously uses the Ethernet to communicate with the two sets of lower computers, the production is managed and controlled, and the two computers backup the produced data. Each computer can control two sets of lower computers at the same time, but can be mainly responsible for the set of lower computers.
Each computer is independently communicated with the two sets of lower computers, and the running state of each device controlled by the two sets of lower computers is displayed.
Data are interacted between the two computers through a network, when the computers are started, the pairing mark is broadcasted outwards through the fixed port, the pairing mark broadcasted outside is received at the same time, the two computers with the same mark form double control, the data newly generated by the two computers forming the double control are directly synchronized, and the historical data are synchronized by means of data synchronization middleware on the two computers.
The computer which starts the system software firstly is called as a host computer, and then the computer which starts the system software is called as a slave computer after successful pairing. When two computers cannot communicate with each other, both computers become hosts. In order to process the condition of double hosts, a storage area is opened up in the lower host, random values are read and issued to the storage area after host software is started, and when the read values are inconsistent with the sent values, the existence of the double hosts is indicated.
Aiming at the storage of production data, in order to prevent the repeated storage of data of two computers, a lower computer opens up a storage area to store the stored disk number, when one computer is stored, the other computer sends a value of 0 when detecting that the disk number is stored, the storage is not carried out, and when the disk number is not stored, the disk number is stored. This avoids duplicate storage of data.
The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
Claims (6)
1. A double-control double-machine automatic control system of a concrete mixing plant is characterized in that: the system comprises two concrete mixing stations, two computers and a network switch system;
the two concrete mixing stations are respectively provided with a lower computer for electrically controlling the concrete mixing stations; the lower computers are connected with the computers through a network switch system network, each computer is independently communicated with the two lower computers through the network, and the running state of each device controlled by the two lower computers is displayed.
2. The dual-control dual-machine automatic control system of the concrete mixing plant according to claim 1, wherein the network switch system comprises: the system comprises a switch, a standby switch, a firewall and a monitoring module; the switch is respectively connected with the computer and the lower computer through networks, the standby switch is respectively connected with the computer and the lower computer, and the monitoring module is respectively connected with the switch, the standby switch and the external network; the switch is connected with the firewall.
3. The dual-control dual-machine automatic control system of the concrete mixing plant according to claim 2, wherein the monitoring module comprises: the device comprises a checking unit, a connecting unit and a control unit;
the control unit is used for monitoring data packets of the switch and the standby switch in the data forwarding process;
the connection unit automatically selects whether to stop the switch or not and whether to connect the standby switch or not according to the data information analyzed by the verification unit;
the checking unit is used for carrying out comparison analysis processing on the monitored data information and completing error checking work.
4. The double-control double-machine automatic control system of the concrete mixing plant according to claim 2, wherein an alarm unit is arranged on the exchanger, and the alarm unit is a voice alarm unit.
5. The double-control double-machine automatic control system of the concrete mixing plant according to claim 3, characterized in that: the network switch system also comprises a wiring device for connection switching of the main switch and the standby switch; the wiring device comprises three groups of network connection ports with the same quantity with the switch and the standby switch, the first group of network ports are correspondingly connected with the ports of the switch through jumper wires, the second group of network ports are correspondingly connected with the ports of the standby switch through the jumper wires, the third group of network ports are used for connecting a computer and a lower computer, the third group of network ports are respectively provided with a change-over switch between the second group of network ports and the first group of network ports, the change-over switch is connected with the connecting unit and used for realizing the connection of the third group of network ports and the second group of network ports or realizing the connection of the third group of network ports and the first group of network ports.
6. The double-control double-machine automatic control system of the concrete mixing plant according to claim 1, characterized in that: and the computer is provided with double-control double-computer system software.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921154635.1U CN210453257U (en) | 2019-07-19 | 2019-07-19 | Double-control double-machine automatic control system of concrete mixing plant |
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| CN201921154635.1U CN210453257U (en) | 2019-07-19 | 2019-07-19 | Double-control double-machine automatic control system of concrete mixing plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115407640A (en) * | 2022-11-01 | 2022-11-29 | 山东博硕自动化技术有限公司 | Multi-control multi-machine automatic control system and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115407640A (en) * | 2022-11-01 | 2022-11-29 | 山东博硕自动化技术有限公司 | Multi-control multi-machine automatic control system and control method thereof |
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