CN217213500U - Control system and adaptive replacement system for automatic interlocking equipment - Google Patents
Control system and adaptive replacement system for automatic interlocking equipment Download PDFInfo
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- CN217213500U CN217213500U CN202220275333.5U CN202220275333U CN217213500U CN 217213500 U CN217213500 U CN 217213500U CN 202220275333 U CN202220275333 U CN 202220275333U CN 217213500 U CN217213500 U CN 217213500U
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Abstract
The utility model relates to a control system and self-control interlocking equipment adaptability substitution system, which consists of a chlor-alkali control unit, an ionic membrane caustic soda control unit, an acetylene control unit, a chloroethylene synthesis control unit, a polymerization control unit, a public engineering control unit, a first-order time relay, a second-order time relay and a centralized control unit; the control units are independent from each other, and a public engineering control unit is used as a sending and receiving core; the chlor-alkali control unit consists of a first phase and a second phase, is connected to the chlor-alkali control unit through a communication card and a communication BUS wire, is connected with the public engineering control unit, and is respectively added with a first-order time relay of the chlor-alkali and the public engineering control unit; in the same way, first-order time relays of control units such as ionic membrane caustic soda, acetylene, vinyl chloride synthesis, polymerization and the like are respectively arranged; a second-order time relay is arranged between the public engineering control unit and the centralized control unit. The problems that each control unit is independent, the alarm is different, and the signal transmission time is different are solved.
Description
Technical Field
The utility model belongs to the technical field of the automatic design of control system among the polyvinyl chloride production technology, concretely relates to control system and automatic control interlocking equipment adaptability substitution system.
Background
The existing advanced control system is a DCS control system, is used more in the polyvinyl chloride production industry, the number of control points of the existing old generation control system is not produced any more due to the expansion of process parameters and the alternate updating of the new generation control system, and the requirements for some spare parts are required to be improved in the original automatic control industry and are not adapted to the existing process requirements any more. At present, most of polyvinyl chloride production systems are chlor-alkali control units, ionic membrane caustic soda control units, acetylene control units, vinyl chloride synthesis control units, polymerization control units and public engineering control units. In order to continuously increase control signals and meet the requirements of automatic communication and control on process equipment, the utility control unit is designed to replace an old EPA100 system with a JX-300XP system, better realize the stability and more reliable control of the system and upgrade the Windows XP system to a WIN10 system; the existing controller of the chlor-alkali module control system is old, has no vacant channel, can not newly add a control loop, and currently plans to replace 2 sets of CPU, changes the RJ45 communication network converted by the existing BCV, changes the RJ45 communication network into direct communication by an EC401 communication card, reduces fault points, upgrades the CENTUM VP R5.3.0 into CENTUM VP R6.08 to be matched with a WIN10.64 bit operating system, and replaces 4 operating stations as the existing authorized assignment terminal. The field configuration technical service adds a long trend software package to perfect the requirement that an operator station cannot look up the long history trend. The matching meets the local requirements of the existing production, and a certain automatic control effect is obtained. The following disadvantages exist at present: each control unit forms a separate operation space independently and is not connected with other systems; the alarm of each control unit is different, and the signal transmission time is different, and the start-stop time is more tedious, needs operating personnel to judge and adjust according to experience.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model aims at providing control system and automatic control interlocking equipment adaptability substitution system, open the parking according to current the control unit characteristics and production technology, the production needs the condition to set up, adopt reasonable control communication to set up certain communications facilities, and realize control system and automatic control interlocking equipment adaptability through program chain control technical means, thereby solve the asynchronous problem of control of each the control unit, intelligent dust removal production has been realized, alleviate personnel intensity of labour, improve the site environment, be fit for control system and automatic control interlocking equipment adaptability substitution system.
The technical scheme of the utility model is that: the control system and the adaptive substitution system of the automatic control interlocking equipment consist of a chlor-alkali control unit, an ionic membrane caustic soda control unit, an acetylene control unit, a vinyl chloride synthesis control unit, a polymerization control unit, a public engineering control unit, a first-order time relay, a second-order time relay and a centralized control unit; the chlor-alkali control unit, the ionic membrane caustic soda control unit, the acetylene control unit, the vinyl chloride synthesis control unit, the polymerization control unit and the public engineering control unit are independent respectively, and the public engineering control unit is taken as a sending and receiving core; the chlor-alkali control unit consists of a first phase and a second phase, is connected to the chlor-alkali control unit through a communication card and a communication BUS wire, is connected with the public engineering control unit, and is added with the chlor-alkali control unit and the public engineering control unit respectively to increase a first-order time relay; similarly, a first-order time relay of an ionic membrane caustic soda control unit, an acetylene control unit, a vinyl chloride synthesis control unit and a polymerization control unit is respectively arranged; a second-order time relay is arranged between the public engineering control unit and the centralized control unit.
And the time of the first-order time relay of each control unit is preliminarily adjusted to be 3 seconds. And each unit time relay takes the fastest time as a recording node. And alarming to or stopping to a chlor-alkali control unit, an ionic membrane caustic soda control unit, an acetylene control unit, a vinyl chloride synthesis control unit, a polymerization control unit, a public engineering control unit and a centralized control unit according to process requirements.
The second-order time relay of the public engineering control unit is preliminarily adjusted to be 2 seconds. The method is characterized in that a second-order time relay of a public engineering control unit is used as a recording node which is sent to a centralized control unit at the fastest speed, and alarms to or stops to a chlor-alkali control unit, an ionic membrane caustic soda control unit, an acetylene control unit, a chloroethylene synthesis control unit, a polymerization control unit, a public engineering control unit and the centralized control unit according to process requirements.
And when the time in each control unit is inconsistent and the alarm is inconsistent, the fastest time relay is taken as a reference.
And each control unit is communicated with the communication line, the communication card, the central processor and the control station.
All signals of each control unit are connected to the centralized control unit through communication signal lines, and feedback and alarm records are provided.
The difference of another embodiment is that the first-order time relay and the second-order time relay of each control unit can be set in multiple stages according to requirements and set with different response times.
Another embodiment differs in that the control units may control inter-station communication according to production needs.
Compared with the prior art, the utility model can ensure the response control of the control system and the adaptive substitution system of the automatic control interlocking equipment to be continuous and stable by arranging the device, all signals of each control unit are connected to the centralized control unit by communication signal lines and have feedback and alarm records; the first-order time relay and the second-order time relay of each control unit can be arranged in multiple orders and set different response time according to requirements; the communication between stations can be controlled according to production requirements, so that the problem that each control unit forms a separate operation space and is not connected with other systems is solved; the problems that the starting and stopping time is complicated and the operation personnel need to judge and adjust according to experience caused by different alarms and signal transmission time of each control unit are solved, and the adaptive alternative process optimization of a control system and an automatic control interlocking device is achieved.
Drawings
Fig. 1 is a schematic view of the device of the present invention.
In FIG. 1: the system comprises a chlor-alkali control unit 1, an ionic membrane caustic soda control unit 2, an acetylene control unit 3, a chloroethylene synthesis control unit 4, a polymerization control unit 5, a public engineering control unit 6, a first-order time relay 7, a second-order time relay 8 and a centralized control unit 9.
FIG. 2 is a partial schematic diagram of an ion membrane caustic soda control unit, a vinyl chloride synthesis control unit, a utility control unit, etc. according to an embodiment of the present invention;
fig. 3 is a schematic partial schematic diagram of an ion membrane caustic soda control unit according to an embodiment of the present invention.
Detailed Description
For a more detailed description of the present invention, reference is made to the accompanying drawings, which show, by way of illustration:
in fig. 1-3, the technical solution of the present invention is: the control system and the adaptive substitution system of the automatic control interlocking equipment consist of a chlor-alkali control unit 1, an ionic membrane caustic soda control unit 2, an acetylene control unit 3, a vinyl chloride synthesis control unit 4, a polymerization control unit 5, a public engineering control unit 6, a first-order time relay 7, a second-order time relay 8 and a centralized control unit 9; the chlor-alkali control unit 1, the ionic membrane caustic soda control unit 2, the acetylene control unit 3, the vinyl chloride synthesis control unit 4, the polymerization control unit 5 and the public engineering control unit 6 are independent respectively, and the public engineering control unit 6 is taken as a sending and receiving core; the chlor-alkali control unit 1 consists of a first phase and a second phase, is connected to the chlor-alkali control unit through a communication card and a communication BUS wire, is connected with the public engineering control unit 6, and is added with the chlor-alkali control unit 1 and the public engineering control unit 6 respectively to increase a first-order time relay 7; similarly, a first-order time relay of an ionic membrane caustic soda control unit 2, an acetylene control unit 3, a vinyl chloride synthesis control unit 4 and a polymerization control unit 5 is respectively arranged; a second order time relay 8 is provided by the utility control unit 6 and the central control unit 9.
And the first-order time relay 7 of each control unit is used for primarily adjusting the time of the time relay to be 3 seconds. And each unit time relay takes the fastest sending time as a recording node. And alarms to or stops to a chlor-alkali control unit 1, an ionic membrane caustic soda control unit 2, an acetylene control unit 3, a vinyl chloride synthesis control unit 4, a polymerization control unit 5, a public engineering control unit 6 and a centralized control unit 9 according to process requirements.
The second-order time relay 8 of the public engineering control unit is used for primarily adjusting the time of the time relay to 2 seconds. The second-order time relay 8 of the public engineering control unit 6 is used as a recording node which is sent to the centralized control unit 9 at the fastest speed, and alarms to or stops from the chlor-alkali control unit 1, the ionic membrane caustic soda control unit 2, the acetylene control unit 3, the chloroethylene synthesis control unit 4, the polymerization control unit 5, the public engineering control unit 6 and the centralized control unit 9 according to process requirements.
And when the time in each control unit is inconsistent and the alarm is inconsistent, the fastest time relay is taken as a reference.
And each control unit is communicated with the communication line, the communication card, the central processor and the control station.
All signals of each control unit are connected to the centralized control unit 9 through communication signal lines and have feedback and alarm records.
The difference of another embodiment is that the first-order time relay 7 and the second-order time relay 8 of each control unit can be provided with multiple stages and different response times according to requirements.
Another embodiment differs in that the control units may control inter-station communication according to production needs.
Fig. 2 is a partial schematic diagram of an ionic membrane caustic soda control unit, a vinyl chloride synthesis control unit, a utility control unit, and the like in the embodiment of the present invention, in which a control system and an adaptive replacement system for a self-control interlocking device are described.
Fig. 3 is a schematic partial schematic diagram of an ionic membrane caustic soda control unit in a first stage and a second stage according to an embodiment of the present invention.
Compared with the prior art, the utility model can ensure the response control of the control system and the adaptive substitution system of the automatic control interlocking equipment to be continuous and stable by arranging the device, all signals of each control unit are connected to the centralized control unit by communication signal lines and have feedback and alarm records; the first-order time relay and the second-order time relay of each control unit can be arranged in multiple orders and set different response time according to requirements; the communication between stations can be controlled according to production requirements, so that the problem that each control unit forms a separate operation space and is not connected with other systems is solved; the problems that the starting and stopping time is complicated and the operation personnel need to judge and adjust according to experience caused by different alarms and signal transmission time of each control unit are solved, and the adaptive alternative process optimization of a control system and an automatic control interlocking device is achieved.
The measurement and working principle of the device are as follows by combining the structural characteristics of the prior device:
a control system and an adaptive substitute system for automatic control interlocking equipment are disclosed, wherein the time of a time relay is preliminarily adjusted to be 3 seconds according to a first-order time relay 7 of each control unit. And each unit time relay takes the fastest sending time as a recording node. And alarm analog quantity is sent out according to process requirements or a stop signal switching value is output to a chlor-alkali control unit 1, an ionic membrane caustic soda control unit 2, an acetylene control unit 3, a chloroethylene synthesis control unit 4, a polymerization control unit 5, a public engineering control unit 6 and a centralized control unit 9, the control units are prompted to be abnormal and need to be stopped, related control units are stopped emergently, and related control and configuration programs are set according to programs.
The second-order time relay 8 of the public engineering control unit is used for primarily adjusting the time of the time relay to 2 seconds. The method is characterized in that a second-order time relay 8 of a public engineering control unit 6 is used as a recording node, and alarm analog quantity is sent out or a stop signal switching value is output to a chlor-alkali control unit 1, an ionic membrane caustic soda control unit 2, an acetylene control unit 3, a chloroethylene synthesis control unit 4, a polymerization control unit 5, the public engineering control unit 6 and a centralized control unit 9 according to process requirements, so that the control unit is prompted to be abnormal, a stop is required, related control units are stopped emergently, and related control programs and DCS interlocking configuration programs are set in the centralized control unit.
And when the time in each control unit is inconsistent and the alarm is inconsistent, a signal sent by the fastest time relay is taken as a reference, and a related control program and a DCS interlocking configuration program are set in the centralized control unit.
The embodiments of the present invention are described in detail with reference to the prior art, and can be implemented by referring to the prior art. The utility model discloses through the trial and error verification, gained satisfied effect on probation. Above concrete implementation and embodiment are right the utility model provides a concrete support of implementation method technical thought can not be injectd with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change or equivalent change of equating that does on this technical scheme basis all still belongs to the scope of the technical scheme protection of the utility model.
Claims (8)
1. Control system and automatic control interlocking equipment adaptability substitution system, its characterized in that: the device consists of a chlor-alkali control unit, an ionic membrane caustic soda control unit, an acetylene control unit, a vinyl chloride synthesis control unit, a polymerization control unit, a public engineering control unit, a first-order time relay, a second-order time relay and a centralized control unit; the chlor-alkali control unit, the ionic membrane caustic soda control unit, the acetylene control unit, the vinyl chloride synthesis control unit, the polymerization control unit and the public engineering control unit are independent respectively, and the public engineering control unit is taken as a sending and receiving core; the chlor-alkali control unit consists of a first stage and a second stage, is connected with the chlor-alkali control unit by a communication card and a communication BUS line, is connected with the public engineering control unit, and is respectively added with the chlor-alkali control unit and the public engineering control unit to increase a first-order time relay; similarly, a first-order time relay of an ionic membrane caustic soda control unit, an acetylene control unit, a vinyl chloride synthesis control unit and a polymerization control unit are respectively arranged; a second-order time relay is arranged between the public engineering control unit and the centralized control unit.
2. The control system and adaptive substitution system for automatic control chain equipment according to claim 1, wherein the first-order time relay of each control unit is primarily adjusted for 3 seconds, and the time relay of each unit is controlled by the utility control unit which is the fastest to send out, and alarms to or stops from the chlor-alkali control unit, the ionic membrane caustic soda control unit, the acetylene control unit, the vinyl chloride synthesis control unit, the polymerization control unit, the utility control unit and the centralized control unit according to the process requirements.
3. The control system and automatic control interlocking equipment adaptive substitution system as claimed in claim 1, wherein the second-order time relay of the utility control unit is initially adjusted to 2 seconds, and the second-order time relay of the utility control unit is sent to the centralized control unit at the fastest speed, and alarms to or stops to the chlor-alkali control unit, the ionic membrane caustic soda control unit, the acetylene control unit, the vinyl chloride synthesis control unit, the polymerization control unit, the utility control unit and the centralized control unit according to the process requirements.
4. The control system and adaptive substitute system for automatic control chain equipment as claimed in claim 1, wherein the fastest time relay is used as reference when the time is inconsistent and the alarm is inconsistent in each control unit.
5. The control system and autolock equipment adaptive replacement system of claim 1, wherein each of said control units is in communication with a communication line, a communication card, a central processing unit and a control station.
6. The control system and autolocked equipment adaptive replacement system of claim 1, wherein all signals of each control unit are connected to the central control unit through communication signal lines.
7. The control system and autolocking equipment adaptive substitution system of claim 1, wherein the first order time relay and the second order time relay of each control unit are provided in multiple stages as required and different response times are set.
8. The control system and autolocker equipment adaptive substitution system of claim 1, wherein each of said control units controls inter-station communication according to production needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220275333.5U CN217213500U (en) | 2022-02-11 | 2022-02-11 | Control system and adaptive replacement system for automatic interlocking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220275333.5U CN217213500U (en) | 2022-02-11 | 2022-02-11 | Control system and adaptive replacement system for automatic interlocking equipment |
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| Publication Number | Publication Date |
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| CN217213500U true CN217213500U (en) | 2022-08-16 |
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| CN202220275333.5U Active CN217213500U (en) | 2022-02-11 | 2022-02-11 | Control system and adaptive replacement system for automatic interlocking equipment |
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| Country | Link |
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| CN (1) | CN217213500U (en) |
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- 2022-02-11 CN CN202220275333.5U patent/CN217213500U/en active Active
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