CN212030198U - Smelting management system for electric induction furnace - Google Patents

Smelting management system for electric induction furnace Download PDF

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Publication number
CN212030198U
CN212030198U CN202020646606.3U CN202020646606U CN212030198U CN 212030198 U CN212030198 U CN 212030198U CN 202020646606 U CN202020646606 U CN 202020646606U CN 212030198 U CN212030198 U CN 212030198U
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stage
field
signal
induction furnace
control processing
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沈小弟
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Shanghai Zhaoli electric furnace equipment Co.,Ltd.
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Shanghai Zhaoli Electrical Appliances Manufacturing Co ltd
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Abstract

The utility model relates to a smelting management system for an induction furnace, which relates to the technical field of smelting management systems and comprises a field sampling execution stage, a signal conversion isolation stage, a field distributed I/O stage and a control processing stage which are electrically connected in sequence, wherein the field sampling execution stage transmits input and output signals required by equipment through an interface element; the signal conversion isolation stage is used for converting signals and performing secondary isolation; the field distributed I/O stage is used for transmitting signals to the control processing stage or the signal conversion isolation stage; and the control processing stage is used for processing the input signals transmitted by the field distributed I/O stage through the digital logic circuit and outputting a processing result. The utility model discloses a setting of field sample execution level, signal conversion isolation level, on-the-spot distributing type IO level and control processing level is convenient for sample in real time to the operational aspect of reflection and recording equipment can manage whole smelting process through many-sided information about the equipment operation.

Description

Smelting management system for electric induction furnace
Technical Field
The utility model belongs to the technical field of the technique of smelting management system and specifically relates to a smelt management system for induction furnace is related to.
Background
The current induction furnace device is induction heating equipment which has the highest efficiency, fastest speed, low consumption, energy conservation and environmental protection for heating metal materials, and the work core of the induction furnace device is a central control panel which mainly comprises one or more on-board chips and a plurality of electronic components, commonly called as a PCB (printed Circuit Board).
The existing induction furnace device has poor anti-interference performance, only has the basic function of enabling the induction furnace to normally operate, and other additional functions can greatly influence the work of the main body of the induction furnace device. On the basis, various management control modes are continuously expanded in the industry so as to achieve feedback and protection of a plurality of pieces of information of equipment.
The above prior art solutions have the following drawbacks: since the steel making process of the induction furnace apparatus is an extremely complicated systematic process, these improvements are often considered to be insufficient to fully reflect the information about the equipment.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a smelting management system for an induction furnace, which is convenient for real-time sampling and reflecting and recording the running condition of equipment through setting a field sampling execution stage, a signal conversion isolation stage, a field distributed I/O stage and a control processing stage, and can manage the whole smelting process through multi-aspect information about the running of the equipment; the information to be detected can be expanded at any time, and unsafe factors are isolated by adopting a step-by-step control mode; degree of automation is high, saves the historical data of human cost and files, and later stage maintenance inquiry is convenient.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a smelting management system for an electric induction furnace comprises a field sampling execution stage, a signal conversion isolation stage, a field distributed I/O stage and a control processing stage;
the field sampling execution stage is used for butting input and output signals required by equipment with the signal conversion isolation stage through an interface element;
the signal conversion isolation stage is used for converting the electrically connected upper and lower stages of transmitted signal hardware into signals meeting the transmission requirements of the upper and lower stages of signals and performing secondary isolation;
the field distributed I/O stage is used for transmitting a field input standard signal to the control processing stage and outputting a signal sent by the control processing stage to the signal conversion isolation stage;
and the control processing stage is used for processing the input signals transmitted by the field distributed I/O stage through a digital logic circuit and outputting a processing result to be transmitted to the field distributed I/O stage.
By adopting the technical scheme, in actual application, the smelting management system can sample in real time and reflect and record the running condition of equipment; the four-level arrangement can reflect various information about equipment operation, is convenient for managing the whole smelting process, and can expand information required to be detected at any time.
The present invention may be further configured in a preferred embodiment as: the field sampling execution stage comprises a transformer, a current transformer, a thermal resistor, a pressure sensor, a switch and a button which are electrically connected in sequence.
By adopting the technical scheme, in practical application, the arrangement of the transformer, the current transformer, the thermal resistor, the pressure sensor, the switch, the button and the like is convenient for sampling input and output signals of field equipment; the transformer is used for sampling voltage signals, frequency signals and the like, the current transformer is used for sampling current signals, the thermal resistor is used for sampling temperature signals, the pressure sensor is used for sampling pressure signals, and the switch, the button and the like are used for sampling digital signals.
The present invention may be further configured in a preferred embodiment as: the field sampling execution stage further comprises a potentiometer, an electromagnetic valve and an indicating lamp which are electrically connected in sequence, and the potentiometer, the electromagnetic valve and the indicating lamp are electrically connected in sequence with the transformer, the current transformer, the thermal resistor, the pressure sensor, the switch and the button.
By adopting the technical scheme, in practical application, the potentiometer, the electromagnetic valve, the indicator lamp and the like are arranged, so that input and output signals of field equipment can be conveniently butted with a superior level; the potentiometer is convenient for executing voltage signals, and the electromagnetic valve, the indicator light and the like are convenient for executing switching signals.
The present invention may be further configured in a preferred embodiment as: the signal conversion isolation stage is set as a standard conversion and isolation module.
By adopting the technical scheme, in actual application, the standard conversion isolation module is convenient for workers to use and convenient to operate.
The present invention may be further configured in a preferred embodiment as: the field distributed I/O stage includes SIMENS ET200 standard I/O modules.
By adopting the technical scheme, in practical application, the SIMENS ET200 standard I/O module is convenient for workers to use and operate.
The present invention may be further configured in a preferred embodiment as: the control processing stage comprises a CPU processor, a CP communication processor, an HMI interface and an industrial personal computer, wherein the CP communication processor is integrated on the CPU processor.
By adopting the technical scheme, in practical application, the CPU processor is convenient for logic operation processing and the like, the CP communication processor is convenient for controlling the mutual communication between the processing level and the lower level, and the HMI interface is convenient for displaying the states of all input and output signals.
The present invention may be further configured in a preferred embodiment as: the CP communication processor communicates with the field distributed I/O stage through a field bus.
By adopting the technical scheme, in practical application, the field bus is convenient for transmitting field distributed I/O level signals to the CP communication processor, thereby facilitating the work of the CPU processor.
The present invention may be further configured in a preferred embodiment as: and a PID circuit is adopted in the control processing stage to realize logic operation processing.
By adopting the technical scheme, in practical application, the logic operation required to be processed by the control processing stage is realized through the basic PID circuit, the operation is simple, and the operation is convenient.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the arrangement of a field sampling execution stage, a signal conversion isolation stage, a field distributed I/O stage and a control processing stage, the real-time sampling is facilitated, the operation condition of equipment is reflected and recorded, and the whole smelting process can be managed through various information about the operation of the equipment; the information to be detected can be expanded at any time, and unsafe factors are isolated by adopting a step-by-step control mode; degree of automation is high, saves the historical data of human cost and files, and later stage maintenance inquiry is convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
In the figure, 1, the field sampling execution stage; 2. a signal conversion isolation stage; 3. a field distributed I/O stage; 31. a field distributed I/O variable frequency power supply system; 32. a field distributed I/O water cooling system; 33. a field distributed I/O transformer; 34. a field distributed I/O hydraulic system; 35. distributed I/O-other on-site; 4. a control processing stage; 41. a CPU processor; 42. an HMI interface; 5. a field bus.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, and the example of the present invention is a 40t induction furnace smelting management system.
Referring to fig. 1, the utility model discloses a smelting management system for an induction furnace, which comprises a field sampling execution stage 1, a signal conversion isolation stage 2, a field distributed I/O stage 3 and a control processing stage 4; the field sampling execution stage 1 is used for butting input and output signals required by equipment with a superior stage through an interface element; the signal conversion isolation stage 2 is used for converting each signal sent by the upper stage and the lower stage into a signal which can meet the use requirements of the upper stage and the lower stage, and performing secondary isolation; the field distributed I/O stage 3 is used for transmitting a field input standard signal to the upper-stage processor and outputting an instruction execution issued by the upper-stage processor to the lower-stage conversion isolator; the control processing stage 4 is used for performing logical operation processing on the input signal transmitted from the lower stage, outputting a processing result and transmitting the processing result to the lower stage, and the basis of the logical operation processing performed by the control processing stage 4 is a mathematical model.
The field sampling execution stage 1 mainly comprises a self-configuration signal input/output interface element of equipment, and comprises a sampling element and an execution element, wherein the sampling element comprises a transformer, a current transformer, a thermal resistor, a pressure sensor, a switch, a button and the like which are electrically connected together in sequence; the executive component comprises a potentiometer, an electromagnetic valve, an indicator light and the like; the worker connects the sampling element and the actuator to the induction furnace respectively according to signals of the actual used equipment.
The signal conversion isolation stage 2 is set as a standard conversion and isolation module, and specifically comprises a GGL 4-20 mA-to-0-10V safety isolation barrier (analog quantity isolation tube), an NPDL-002310110-5A-to-4-20 mA conversion module (current transmitter), an NPDL-001210110-to-4-20 mA conversion module (voltage transmitter), a DC 24V general isolation relay and the like, wherein the signal conversion isolation stage 2 converts the field sampling execution stage 1 and then transmits the converted field sampling execution stage to the field distributed I/O stage 3, and transmits a signal obtained by the field distributed I/O stage 3 from the control processing stage 4 to the field sampling execution stage 1, so that an execution element can execute the signal conveniently.
The field distributed I/O stage 3 comprises a SIMENS ET200 standard I/O module, and is used for transferring the signal converted by the signal conversion isolation stage 2 to the control processing stage 4 and transmitting the execution signal sent by the control processing stage 4 to the signal conversion isolation stage 2.
The field sampling execution stage 1, the signal conversion isolation stage 2 and the field distributed I/O stage 3 are respectively provided with five stages and are respectively used for a field distributed I/O frequency conversion power supply system 31, a field distributed I/O water cooling system 32, a field distributed I/O transformer 33, a field distributed I/O hydraulic system 34 and a field distributed I/O-other stage 35, wherein in the field distributed I/O frequency conversion power supply system 31, the field distributed I/O water cooling system 32, the field distributed I/O transformer 33 and the field distributed I/O hydraulic system 34, sampling elements of the field sampling execution stage 1 comprise a transformer, a current transformer, a thermal resistor, a pressure sensor, a switch, a button and the like, the field distributed I/O-other stage 35 comprises a transformer, a current transformer, a thermal resistor, a pressure sensor, a switch, a button and, Switches, buttons and the like, and the staff can increase or decrease the elements according to the information actually needed to be measured.
The power module in the field distributed I/O frequency conversion power supply system 31 adopts 6ES 7307-1 EA07-0AA0, the interface module adopts 6ES 7153-4 BA0-0XB0, the analog quantity input module in the signal module adopts SM 3316 ES 7331-7 NF00-0AB0, the analog quantity output module in the signal module adopts SM 3326 ES 7332-7 ND02-0AB0, and the digital quantity input and output module in the signal module adopts SM 3236 ES 7323-1 BL00-0AA 0; the field distributed I/O water cooling system 32, the field distributed I/O transformer 33 and the field distributed I/O hydraulic system 34 only have digital quantity input and output modules in the interface module and the signal module, and the models of the digital quantity input and output modules are the same as those of the field distributed I/O variable frequency power supply system 31.
The control processing stage 4 comprises a CPU processor 41, a CP communication processor, an HMI interface 42, an industrial personal computer and the like, wherein the CPU processor 41 adopts an S7-300 series 314 model, specifically a 6ES 7314-1 AG14-0AB0, the CP communication processor adopts a CP343-1 model, specifically a 6ES 7343-1 EX30-0XE0, the HMI interface 42 adopts a wincc monitoring platform display screen of 24 inches, the industrial personal computer adopts a Mohua industrial personal computer 510M, and the CP communication processor is integrated on the CPU processor 41, wherein a power module adopts 6ES 7307-1 EA07-0AA0, a switching value input and output module adopts SM 3236 ES 7323-1 BH01-0AA0, and an analog input and output module adopts SM 3346 ES 7334-0 CE01-0AA 0.
The mathematical model comprises a power setting automatic tracking algorithm and a temperature setting automatic PID algorithm, and when the induction furnace is in a normal smelting process, the power setting automatic tracking algorithm is adopted; when the induction furnace is in the process of baking, an automatic PID algorithm is set according to the temperature, and the mathematical model is realized by a PID circuit.
The five parallel field distributed I/O stages 3 are in signal connection with the CP communication processor through a field bus 5, and are in signal connection with a CPU processor 41, and the field bus 5 adopts a PROFINET bus.
The implementation principle of the embodiment is as follows: the device comprises a sampling element, a field bus 5, a CP communication processor, a CPU processor 41, a Wincc monitoring platform, a signal conversion isolation stage 2, a field distributed I/O stage 3, a field bus 5, a CP communication processor, a CPU processor 41 and a wireless communication platform, wherein an input signal required by equipment acquired by the sampling element is a first signal, the first signal is transmitted to the signal conversion isolation stage 2, the signal conversion isolation stage 2 converts and isolates the first signal and outputs a second signal, the second signal flows to the field distributed I/O stage 3, the signal acquired by different field sampling execution stages 1 is finally transmitted to different field distributed I/O stages, the second signal is processed by the field distributed I/O stage 3 and outputs a third signal, the third signal is transmitted to the CP communication processor through the field bus 5, the CP communication processor processes the third signal and outputs a fourth; the CPU 41 processes the fourth signal and outputs a fifth signal, the fifth signal is an instruction signal, the fifth signal forms a sixth signal after passing through the CP communication processor, the sixth signal forms a seventh signal after passing through the fieldbus 5, the seventh signal is transmitted to the signal conversion isolation stage 2 by the field distributed I/O stage 3, the signal conversion isolation stage 2 converts and isolates the seventh signal and forms an eighth signal, the eighth signal is transmitted to the execution element, and the execution element executes according to the eighth signal.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A smelt management system for an electric induction furnace, characterized by: the system comprises a field sampling execution stage (1), a signal conversion isolation stage (2), a field distributed I/O stage (3) and a control processing stage (4) which are electrically connected in sequence;
the field sampling execution stage (1) is used for interfacing input and output signals required by equipment with the signal conversion isolation stage (2) through an interface element;
the signal conversion isolation stage (2) is used for converting the electrically connected upper and lower stage transmission signal hardware into signals meeting the upper and lower stage signal transmission requirements and performing secondary isolation;
the field distributed I/O stage (3) is used for transmitting a field input standard signal to the control processing stage (4) and outputting a signal sent by the control processing stage (4) to the signal conversion isolation stage (2);
and the control processing stage (4) is used for processing the input signal transmitted by the field distributed I/O stage (3) through a digital logic circuit and outputting a processing result to be transmitted to the field distributed I/O stage (3).
2. A smelting management system for an electric induction furnace according to claim 1, wherein: the field sampling execution stage (1) comprises a transformer, a current transformer, a thermal resistor, a pressure sensor, a switch and a button which are electrically connected in sequence.
3. A smelting management system for an induction furnace according to claim 2, wherein: the field sampling execution stage (1) further comprises a potentiometer, an electromagnetic valve and an indicating lamp which are electrically connected in sequence, and the transformer, the current transformer, the thermal resistor, the pressure sensor, the switch, the button, the potentiometer, the electromagnetic valve and the indicating lamp are electrically connected in sequence.
4. A smelting management system for an electric induction furnace according to claim 1, wherein: the signal conversion isolation stage (2) is arranged as a standard conversion and isolation module.
5. A smelting management system for an electric induction furnace according to claim 1, wherein: the field distributed I/O stage (3) comprises SIMENS ET200 standard I/O modules.
6. A smelting management system for an electric induction furnace according to claim 1, wherein: the control processing stage (4) comprises a CPU (central processing unit) processor (41), a CP (personal computer) communication processor, an HMI (human machine interface) (42) and an industrial personal computer, wherein the CP communication processor is integrated on the CPU processor (41).
7. A smelting management system for an electric induction furnace according to claim 6, wherein: the CP communication processor (41) communicates with the field distributed I/O stage (3) via a field bus (5).
8. A smelting management system for an electric induction furnace according to claim 1, wherein: and a PID (proportion integration differentiation) circuit is adopted in the control processing stage (4) to realize logic operation processing.
CN202020646606.3U 2020-04-24 2020-04-24 Smelting management system for electric induction furnace Active CN212030198U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020646606.3U CN212030198U (en) 2020-04-24 2020-04-24 Smelting management system for electric induction furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020646606.3U CN212030198U (en) 2020-04-24 2020-04-24 Smelting management system for electric induction furnace

Publications (1)

Publication Number Publication Date
CN212030198U true CN212030198U (en) 2020-11-27

Family

ID=73495696

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020646606.3U Active CN212030198U (en) 2020-04-24 2020-04-24 Smelting management system for electric induction furnace

Country Status (1)

Country Link
CN (1) CN212030198U (en)

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Address after: 201600 555 Zhongmin Road, Maogang Town, Songjiang District, Shanghai

Patentee after: Shanghai Zhaoli electric furnace equipment Co.,Ltd.

Address before: 201600 555 Zhongmin Road, Maogang Town, Songjiang District, Shanghai

Patentee before: SHANGHAI ZHAOLI ELECTRICAL APPLIANCES MANUFACTURING Co.,Ltd.