CN113759803A - Intelligent monitoring protection control electrical apparatus - Google Patents
Intelligent monitoring protection control electrical apparatus Download PDFInfo
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- CN113759803A CN113759803A CN202111117685.4A CN202111117685A CN113759803A CN 113759803 A CN113759803 A CN 113759803A CN 202111117685 A CN202111117685 A CN 202111117685A CN 113759803 A CN113759803 A CN 113759803A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an intelligent monitoring protection control electric appliance device, which is an intelligent electric appliance device integrating in-situ/remote operation, state acquisition, signal output and bus communication of controlled equipment (various pumps, transmission equipment, electric/pneumatic brakes/valves, opening and closing machines, frequency converters, soft start, button boxes/operation columns and the like) by innovating a circuit principle method of the controlled equipment. By the invention, the circuit principle is clear under the condition that the original operation, function and use habit of the controlled equipment are not changed, and the control cable and the signal cable connected with the remote automatic control device are eliminated, thereby saving copper resources.
Description
Technical Field
The invention belongs to the technical field of intelligent electrical appliances, and particularly relates to an intelligent monitoring, protecting and controlling electrical appliance device.
Background
At present, in the industrial and agricultural production process, a large number of various mechanical pumps, transmission equipment, electric gates/valves, pneumatic gates/valves, electric opening and closing machines, frequency converters, soft starts, button boxes/operation columns and other control equipment are provided, and the equipment is controlled and interlocked originally through a complex secondary circuit to protect and operate the equipment. The original secondary circuit has complex wiring, is easy to generate errors, has long debugging period, has various factors influencing the production safety, such as scattered, disordered and unclear circuits after long-time operation, is inconvenient to overhaul and maintain after long-time operation, is inconvenient for secondary utilization of electrical components, and the like; in the remote automatic control, a large number of cables are needed to provide signal transmission of local equipment and remote equipment, and the laying and construction of the cables are all in the limit of engineering efficiency and construction cost. Therefore, the invention designs an intelligent monitoring protection control electric appliance device.
Disclosure of Invention
In view of the above problems, the present invention provides an intelligent monitoring, protecting and controlling device.
The technical scheme of the invention is as follows: an intelligent monitoring protection control electrical device, comprising:
the DI state acquisition module is in wired connection with an external circuit of the controlled equipment and is used for acquiring the DI state of the equipment;
the AI/AO analog input/output module is connected with an external circuit of the controlled equipment in a wired mode and is used for inputting and outputting analog quantity of the external circuit;
the CPU processor is connected with the DI state acquisition module and the AI/AO analog input/output module and is used for carrying out output instruction operation according to signals acquired by an external circuit;
the DO instruction output module is connected with the CPU and the controlled equipment and used for outputting the DO instruction obtained by operation to a circuit of the controlled equipment;
the bus communication module is connected with the CPU processor and the remote automatic control device and is used for transmitting the DI/DO/AI/AO data of the controlled equipment to the remote automatic control device,
and the power supply is used for supplying electric energy to the DI state acquisition module, the AI/AO analog quantity input/output module, the CPU processor, the DO instruction output module and the bus communication module.
Furthermore, the remote automatic control device can be connected and controlled with a plurality of intelligent monitoring protection control electric devices in a networking mode.
Further, the remote automatic control device comprises PC configuration software, a PLC and a DCS control system.
Further, the DI state acquisition module includes:
the three on-site operation acquisition units are used for acquiring the states of the controlled equipment during on-site operation, including acquisition of on-site/remote, start/on, stop/off states of the controlled equipment;
the device comprises two or more element state acquisition units, a control unit and a control unit, wherein the two or more element state acquisition units are used for acquiring feedback signals of the state of a primary element in the controlled equipment, and comprise operation state, overload protection and state acquisition of special guarantee of the overload protection;
the special guarantee acquisition unit is used for acquiring safety guarantee signals of the controlled equipment, and comprises one or more signal acquisition units of emergency stop, leakage protection, dry running protection, switch protection, fault protection, in-place opening, in-place closing and over-moment protection, and the signal acquisition units are very convenient to wire, debug and overhaul through corresponding input of the DI terminals.
Furthermore, shielding layers are arranged among the DO instruction output module, the power supply and DI state acquisition module, the AI/AO analog quantity input/output module, the CPU processor, the bus communication module, the display module and the storage module, and the shielding layers can effectively isolate electromagnetic interference of high voltage, large current, AI/AO analog quantity, the CPU processor, logic control and bus communication.
Furthermore, the CPU processor is also connected with a display module and a storage module, and the display module is used for displaying parameters and function settings of the intelligent monitoring protection control electric appliance device and the state of the controlled equipment; the storage module is used for storing signal data and can select the number and the combination form of DI/DO/AI/AO points according to the controlled equipment and application scenes.
Further, the interfaces of the bus communication module comprise wired RS232, RS422, RS485, RJ45, CAN, LIN interfaces and wireless interfaces, the communication protocols comprise Modbus, Modbus-RTU, Modbus-TCP, TCP/IP, BACnet, MQTT and DDS standard protocols, and the bus communication module CAN select one or more communication interfaces, communication protocols and data structures according to controlled equipment and application scenarios.
Furthermore, the DI state acquisition module, the AI/AO analog input/output module, the CPU processor, the DO instruction output module, the bus communication module, the display module and the storage module are integrally installed in the flame-retardant insulating shell.
The working principle of the invention is as follows: when the intelligent monitoring protection control electric appliance device is in the on-site position, the DI state acquisition module 1 can be used for acquiring the external circuit states (starting/opening, stopping/closing, fault/overload/closing in place and running/opening in place) of the controlled equipment, and then the CPU processor 3 is used for calculating to obtain the logic control DO instruction output (starting/opening, stopping/closing, one opening point and a group of opening and closing points), so that the purpose of on-site operation of the controlled equipment is achieved; when the intelligent monitoring protection control electric appliance device is in a remote position, DI/DO cache data of the controlled equipment can be transmitted to the remote automatic control device 6 through the bus communication module 5, and the remote automatic control device completes cache data calculation and logic judgment according to an automatic control program after receiving the cache data to determine DO instruction output of the device, so that the aim of remote automatic control is fulfilled; whether the controlled equipment is on the spot or remotely, the controlled equipment receives output closing/stopping, AI/AO analog quantity acquisition/output, such as emergency stopping/leakage protection/dry running protection/switch protection/over-torque protection, and the like, and stores and maps DI/DO/AI/AO states in real time.
Compared with the prior art, the invention has the beneficial effects that: the defects that the electric appliance assembly is time-consuming, the debugging period is long, the overhaul is difficult and the like due to circuit dispersion, complicated linkage, circuit competition, control failure, easy error assembly and the like in secondary control loops of electric and pneumatic equipment in industrial and agricultural production are overcome; the communication networking of the controlled equipment and the remote automatic control device is realized, and in the original secondary control circuit, signals of state, protection, regulation, instructions and the like between the controlled equipment and the remote automatic control device are completed through a communication interface of the device in a cable one-to-one transmission mode. The remote automatic control device completes the control, monitoring and management of the device through the communication interface, can realize the batch network interconnection of the secondary circuit, and saves a large amount of control cables and signal cables, thereby reducing the construction cost and accelerating the construction.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the connection of the networking of the remote automatic control device realized by the invention.
The system comprises a 1-DI state acquisition module, a 11-local operation acquisition unit, a 12-element state acquisition unit, a 13-special guarantee acquisition unit, a 2-AI/AO analog input/output module, a 3-CPU processor, a 4-DO instruction output module, a 5-bus communication module, a 6-remote automatic control device, a 7-power supply, an 8-display module, a 9-storage module and a 10-shielding layer.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Example (b): as shown in fig. 1, an intelligent monitoring, protecting and controlling electrical apparatus includes a DI state acquisition module 1, an AI/AO analog input/output module 2, a CPU processor 3, a DO instruction output module 4, and a bus communication module 5. Wherein,
DI state collection module 1, wired to an external circuit of a controlled device, for collecting DI state of the device, DI state collection module 1 includes: the three on-site operation acquisition units 11 are used for acquiring the states of the controlled equipment during on-site operation, including acquisition of on-site/remote, start/on, stop/off states of the controlled equipment; two or more element state acquisition units 12 for acquiring feedback signals of the state of a primary element in the controlled equipment, including the state acquisition of the running state, the overload protection and the special guarantee thereof; the special guarantee acquisition unit 13 is used for acquiring safety guarantee signals of the controlled equipment, and comprises one or more signal acquisition units of emergency stop, leakage protection, dry running protection, switch protection, fault protection, in-place opening, in-place closing and over-torque protection;
the AI/AO analog input/output module 2 is connected with an external circuit of the controlled equipment in a wired mode and is used for inputting and outputting analog quantity of the external circuit;
the CPU processor 3 is connected with the DI state acquisition module 1 and the AI/AO analog input/output module 2 and is used for performing output instruction operation according to signals acquired by an external circuit, the CPU processor 3 is also connected with a display module 8 and a storage module 9, and the display module 8 is used for displaying parameters and function settings of the intelligent monitoring protection control electric appliance device and the state of the controlled equipment; the storage module 9 is used for storing signal data and can select the number and the combination form of DI/DO/AI/AO points according to the controlled equipment and the application scene;
the DO instruction output module 4 is connected with the CPU 3 and the controlled equipment and used for outputting the DO instruction obtained by operation to a circuit of the controlled equipment;
the bus communication module 5 is connected with the CPU 3 and the remote automatic control device 6 and is used for transmitting DI/DO/AI/AO data of controlled equipment to the remote automatic control device 6, an interface of the bus communication module 5 comprises wired RS232, RS422, RS485, RJ45, CAN, LIN interfaces and wireless interfaces, a communication protocol comprises Modbus, Modbus-RTU, Modbus-TCP, TCP/IP, BACnet, MQTT and DDS standard protocols, the bus communication module 5 CAN select one or more communication interfaces, communication protocols and data nodes according to the controlled equipment and application scenarios, as shown in FIG. 2, the remote automatic control device 6 CAN be connected and controlled with a plurality of intelligent monitoring protection control electric appliances in a networking mode, and the remote automatic control device 6 comprises PC configuration software, PLC and a DCS control system structure;
the power supply 7 is used for supplying electric energy to the DI state acquisition module 1, the AI/AO analog input/output module 2, the CPU processor 3, the DO instruction output module 4 and the bus communication module 5;
the DI state acquisition module 1, the AI/AO analog quantity input/output module 2, the CPU processor 3, the DO instruction output module 4, the bus communication module 5, the display module 8 and the storage module 9 are integrally installed in the flame-retardant insulating shell, a shielding layer 10 is arranged between the DO instruction output module 4, the power supply 7 and the DI state acquisition module 1, the AI/AO analog quantity input/output module 2, the CPU processor 3, the bus communication module 5, the display module 8 and the storage module 9, and the shielding layer 10 can effectively isolate electromagnetic interference of high voltage, large current and AI/AO analog quantity, the CPU processor, logic control and bus communication.
The working principle of the above embodiment is as follows: when the intelligent monitoring protection control electric appliance device is in the on-site position, the DI state acquisition module can be used for acquiring the external circuit states (starting/opening, stopping/closing, fault/overload/closing in place and running/opening in place) of the controlled equipment, and then the CPU processor is used for calculating to obtain the logical control DO instruction output (starting/opening, stopping/closing, one opening point and a group of opening and closing points), so that the purpose of on-site operation of the controlled equipment is achieved; when the intelligent monitoring protection control electric appliance device is in a remote position, DI/DO cache data of the controlled equipment can be transmitted to the remote automatic control device through the bus communication module, and the remote automatic control device completes cache data calculation and logic judgment according to an automatic control program after receiving the cache data to determine DO instruction output of the device, so that the aim of remote automatic control is fulfilled; whether the controlled equipment is on the spot or remotely, the controlled equipment receives output closing/stopping, AI/AO analog quantity acquisition/output, such as emergency stopping/leakage protection/dry running protection/switch protection/over-torque protection, and the like, and stores and maps DI/DO/AI/AO states in real time.
The specific type of the electronic element is not specially designated, and common products sold in the market can be selected as long as the use requirements of the electronic element can be met.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (8)
1. An intelligent monitoring protection control electrical apparatus, comprising:
the DI state acquisition module (1) is in wired connection with an external circuit of the controlled equipment and is used for acquiring the DI state of the equipment;
the AI/AO analog input/output module (2) is connected with an external circuit of the controlled equipment in a wired mode and is used for inputting and outputting analog quantity of the external circuit;
the CPU (3) is connected with the DI state acquisition module (1) and the AI/AO analog input/output module (2) and is used for carrying out output instruction operation according to signals acquired by an external circuit;
the DO instruction output module (4) is connected with the CPU (3) and the controlled equipment and is used for outputting the DO instruction obtained by operation to a controlled equipment circuit;
the bus communication module (5) is connected with the CPU (3) and the remote automatic control device (6) and is used for transmitting DI/DO/AI/AO data of the controlled equipment to the remote automatic control device (6);
and the power supply (7) is used for supplying electric energy to the DI state acquisition module (1), the AI/AO analog input/output module (2), the CPU processor (3), the DO instruction output module (4) and the bus communication module (5).
2. The intelligent monitoring, protection and control electrical appliance device as claimed in claim 1, wherein said remote control device (6) is connected and controlled with a plurality of said intelligent monitoring, protection and control electrical appliance devices in a networking manner.
3. The intelligent monitoring protection control electric appliance device according to claim 1, wherein the remote control device (6) comprises a PC configuration software, a PLC and a DCS control system.
4. An intelligent monitoring protection control electrical apparatus as claimed in claim 1, wherein said DI status collection module (1) comprises:
three on-site operation acquisition units (11) for acquiring the states of the controlled equipment during on-site operation, including acquisition of on-site/remote, start/on, stop/off states of the controlled equipment;
two or more element state acquisition units (12) for acquiring feedback signals of the state of primary elements in the controlled equipment, including the state acquisition of the running state, the overload protection and the special guarantee thereof;
and the special guarantee acquisition unit (13) is used for acquiring safety guarantee signals of the controlled equipment, and comprises one or more signal acquisition of emergency stop, leakage protection, dry running protection, switch protection, fault protection, in-place switch and over-torque protection.
5. The intelligent monitoring protection control electric appliance device as claimed in claim 1, wherein the CPU processor (3) is further connected with a display module (8) and a storage module (9), the display module (8) is used for displaying parameters, function settings and states of controlled equipment of the intelligent monitoring protection control electric appliance device; the storage module (9) is used for storing signal data and can select the number and the combination form of DI/DO/AI/AO points according to the controlled equipment and application scenes.
6. The intelligent monitoring protection control electric appliance device according to claim 5, wherein a shielding layer (10) is arranged between the DO instruction output module (4), the power supply (7), the DI state acquisition module (1), the AI/AO analog input/output module (2), the CPU processor (3), the bus communication module (5), the display module (8) and the storage module (9), and the shielding layer (10) can effectively isolate electromagnetic interference of high voltage, high current, AI/AO analog, the CPU processor, logic control and bus communication.
7. An intelligent monitoring protection control electric device according to claim 1, wherein the interface of the bus communication module (5) comprises wired RS232, RS422, RS485, RJ45, CAN, LIN interface and wireless interface, the communication protocol comprises Modbus, Modbus-RTU, Modbus-TCP, TCP/IP, BACnet, MQTT, DDS standard protocol, and the bus communication module (5) CAN select one or more communication interface, communication protocol and data structure according to the controlled device and application scenario.
8. The intelligent monitoring protection control electric appliance device as claimed in claim 1, wherein the DI state acquisition module (1), the AI/AO analog input/output module (2), the CPU processor (3), the DO instruction output module (4), the bus communication module (5), the display module (8) and the storage module (9) are integrally installed in the flame-retardant insulating housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117685.4A CN113759803A (en) | 2021-09-23 | 2021-09-23 | Intelligent monitoring protection control electrical apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117685.4A CN113759803A (en) | 2021-09-23 | 2021-09-23 | Intelligent monitoring protection control electrical apparatus |
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| CN113759803A true CN113759803A (en) | 2021-12-07 |
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| CN202111117685.4A Pending CN113759803A (en) | 2021-09-23 | 2021-09-23 | Intelligent monitoring protection control electrical apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119165810A (en) * | 2024-11-20 | 2024-12-20 | 北京广利核系统工程有限公司 | A digital control system |
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2021
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| JP2016099879A (en) * | 2014-11-25 | 2016-05-30 | 株式会社日立製作所 | Control controller and control method of the same |
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