CN111438929A - System and method for monitoring temperature of laminated iron production line equipment - Google Patents

System and method for monitoring temperature of laminated iron production line equipment Download PDF

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Publication number
CN111438929A
CN111438929A CN202010425703.4A CN202010425703A CN111438929A CN 111438929 A CN111438929 A CN 111438929A CN 202010425703 A CN202010425703 A CN 202010425703A CN 111438929 A CN111438929 A CN 111438929A
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Prior art keywords
temperature
plate
roller
composite
monitoring
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Chinese (zh)
Inventor
文元庆
邹斌
涂伯乐
丁炜明
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Shanghai Legion Composite Technology Co ltd
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Shanghai Legion Composite Technology Co ltd
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Priority to CN202010425703.4A priority Critical patent/CN111438929A/en
Publication of CN111438929A publication Critical patent/CN111438929A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/002Component parts, details or accessories; Auxiliary operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention provides a system and a method for monitoring the temperature of coated iron production line equipment, wherein the monitoring system is used for monitoring the operation of the coated iron production line equipment and comprises the following components: the first temperature sensor is used for obtaining the real-time temperature of the composite plate at the composite position of the composite roller; the monitoring module is used for monitoring the temperature data acquired by the first temperature sensor; the algorithm module is used for calculating the temperature difference between the real-time temperature of the composite roller composite position plate and the set target temperature of the composite roller composite position plate; the execution module is used for obtaining the heating power required by the composite roller composite position plate to reach the target temperature according to the temperature difference; and the control module is used for controlling the temperature of the heating roller by controlling the heating power output by the power supply module. The monitoring system can monitor the composite temperature of the plate in real time, regulate and control the temperature of the heating roller more accurately and reliably according to the temperature difference between the real-time temperature and the temperature required by the composite process, improve the production efficiency of the laminated iron and reduce the production cost.

Description

System and method for monitoring temperature of laminated iron production line equipment
Technical Field
The invention relates to the field of production of coated iron, in particular to a system and a method for monitoring the temperature of equipment on a coated iron production line.
Background
The laminated iron technology is a processing technology for sticking a plastic film (PET, PC, PE or PP film and the like) and a metal plate (a galvanized plate, a cold-rolled plate, an aluminum plate, a stainless steel plate) on the metal plate by a high-temperature hot pressing method and the like. The film covering technology is produced in 1977, because the film covering technology does not use adhesives or solvents, formaldehyde is not contained, and the plastic film can be subjected to beautifying decoration, antibiosis, dye prevention and other treatments, so that the safety and health of a human body are ensured, and the environment-friendly effect is achieved. Various fields have been developed up to now, such as building material interiors, home appliance housings, and ship interiors.
With the further awareness of the environmental protection concept, the coated iron used as a novel environmental protection material is more and more widely applied, so the production efficiency and the product quality of the coated iron are very important. In the current production industry of coated iron, semi-automatic or automatic equipment exists in an isolated mode, and all work stations lack data flow direction and communication in the process flow. If a part of heat is lost between a heating roller and a composite roller of a plate in production line equipment, so that the temperature of the plate is deviated from the set process temperature during compounding, the report of the condition of the production line equipment is not enough only through a line of staff on each post, and the mode can cause the report missing and delay report of abnormal conditions of the production equipment due to the personal limitation of the staff, so that the production efficiency and the product quality of the coated iron are influenced.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present invention and therefore may include information that does not constitute prior art known to a person of ordinary skill in the art.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a system and a method for monitoring the temperature of equipment in a laminated iron production line.
The embodiment of the invention provides a temperature monitoring system of film-coated iron production line equipment, which is used for monitoring the operation of the film-coated iron production line equipment and is characterized in that the film-coated iron production line equipment comprises a heating roller and a composite roller;
the heating roller comprises a power supply module for preheating the plate needing to be coated with the film;
the composite roller is used for hot-pressing and compounding the plate preheated by the heating roller and the plastic film;
the temperature monitoring system includes:
the first temperature sensor is used for obtaining the real-time temperature of the plate at the composite position of the composite roller and is arranged between the heating roller and the composite roller;
the monitoring module is used for monitoring the temperature data acquired by the first temperature sensor;
the algorithm module is used for calculating the temperature difference between the real-time temperature of the plate at the composite roller composite position and the set target temperature of the plate at the composite roller composite position;
the execution module is used for obtaining the heating power required by the plate at the composite position of the composite roller to reach the target temperature according to the temperature difference;
and the control module is used for controlling the temperature of the heating roller by controlling the heating power output by the power supply module. According to an example of the invention, the execution module obtains the heating power required by the plate to reach the target temperature at the compounding position of the compound roller based on a PID algorithm.
According to an example of the present invention, the PID algorithm includes the following formula:
ΔF=(Kp*Dt)+(Ki*Tt)+(Kd*(Dt-Dt-1))
wherein, Kp、KiAnd KdProportional coefficient, integral coefficient and differential coefficient respectively;
delta F is the change value of the heating power in the t period;
Ttthe temperature difference is the temperature difference between the real-time temperature of the plate at the compounding position of the compound roller and the set target temperature of the plate at the compounding position of the compound roller during the t period;
Dtand Dt-1The temperature difference change values in the t period and the t-1 period are respectively, and satisfy:
Dt=Tt-Tt-1
Dt-1=Tt-1-Tt-2
according to an example of the present invention, the heating power at t period is equal to the sum of the heating power at t-1 period and the variation value of the heating power at t period.
According to an example of the present invention, the first temperature sensor is a high temperature infrared thermometer.
According to an example of the present invention, the first temperature sensor is movably disposed between the heating roller and the complex roller.
According to an example of the invention, the first temperature sensor comprises a temperature acquisition module and a temperature calculation module, and the temperature calculation module is used for acquiring the real-time temperature of the plate at the compounding position of the compounding roller according to the temperature acquired by the temperature acquisition module and the position relation between the first temperature sensor and the compounding roller.
According to an example of the invention, the temperature calculation module obtains the real-time temperature of the plate at the compounding position of the compound roller, and comprises the following steps:
moving the first temperature sensor, and acquiring the temperatures of the plates at different positions through the temperature acquisition module;
the temperature calculation module obtains a plate position-temperature curve of which the temperature changes along with different plate positions according to the plate positions and the measured plate temperatures;
the temperature calculation module calculates the real-time temperature of the plate at the composite position of the composite roller according to the temperature acquired by the temperature acquisition module, the position relation between the first temperature sensor and the composite roller and the plate position-temperature curve.
According to an example of the present invention, the temperature monitoring system further comprises an alert module;
when the monitoring module monitors that the temperature collected by the first temperature sensor is greater than the threshold temperature, the warning module sends warning information.
The embodiment of the invention also provides a temperature monitoring method for the equipment of the film-coated iron production line, which is characterized in that the monitoring method adopts the temperature monitoring system for the equipment of the film-coated iron production line, and the method comprises the following steps:
the first temperature sensor obtains the real-time temperature of the plate at the compounding position of the compound roller;
the monitoring module acquires temperature data acquired by the first temperature sensor;
the algorithm module calculates the temperature difference between the real-time temperature of the plate at the composite roller compounding position and the set target temperature of the plate at the composite roller compounding position;
the execution module obtains the heating power required by the plate at the composite position of the composite roller to reach the target temperature according to the temperature difference;
the control module controls the temperature of the heating roller by controlling the heating power output by the power supply module. The temperature monitoring system and the monitoring method can accurately monitor the temperature of the compounding position in real time, and adjust and control the heating power of the heating roller according to the temperature difference between the real-time temperature of the compounding position and the optimal temperature required by the compounding process, so that the temperature of the plate at the heating roller is adjusted more accurately, efficiently and reliably, the production efficiency of the coated iron is improved, and the generation cost is reduced.
Drawings
Other features, objects, and advantages of the invention will be apparent from the following detailed description of non-limiting embodiments, which proceeds with reference to the accompanying drawings and which is incorporated in and constitutes a part of this specification, illustrating embodiments consistent with the present application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural diagram of a temperature monitoring system of a laminated iron production line device according to an embodiment of the present invention;
fig. 2 is a block diagram of functional modules of a server according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for monitoring the temperature of the laminated iron production line equipment according to an embodiment of the present invention.
Reference numerals
100 heating roller
110 second temperature sensor
120 heat preservation box
200 composite roller
300 first temperature sensor
400 server
900 sheet material
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
FIG. 1 is a schematic structural diagram of a system for monitoring the temperature of a coated iron production line device according to an embodiment of the present invention, the system being used for monitoring the operation of the coated iron production line device, the coated iron production line device including a heating roller 100 and a composite roller 200;
the heating roller 100 is used for preheating a plate 900 to be coated; the plate material may be any metal plate to be coated, and the heating roller 100 may be an electromagnetic induction heating roller. The heating roller includes a power module. In the embodiment that the heating roller 100 employs an electromagnetic induction heating roller, the power module is one of core portions of the electromagnetic induction heating system, the power modules may be in multiple groups, and each group of the power modules may include a rectifying unit, an inverter control unit, a protection unit, a monitoring unit, and a heat dissipation unit. An alternating current power supply rectifies, filters and inverts 380V power frequency alternating current into high-frequency alternating current through each unit in the power supply, and the high-frequency alternating current is connected with an induction coil in the roller to generate an alternating electromagnetic field so as to achieve the aim of heating the roller. The composite roll 200 is used for hot-press compounding the board 900 preheated by the heating roll 100 with a plastic film.
The production line equipment for the coated iron can also comprise related equipment arranged before the preheating process of the heating roller 100, such as an uncoiler, a laser welder, a plate storage rack and the like; and the related equipment after the compounding process, such as a cooling device, a finished product storage rack, a cutting machine, a winding machine and the like, are not limited herein.
The coated iron production line equipment can also comprise at least one second temperature sensor 110, wherein the second temperature sensor 110 can adopt a PT100 type sensor, can be arranged inside the heating roller 100 and close to the roller surface, and is used for measuring the roller surface temperature of the heating roller 100, namely the temperature of the preheated plate. The second temperature sensor 110 is not limited to a PT100 (thermal resistance) type sensor, but may be a thermistor, thermocouple (K type), semiconductor temperature sensor, or the like type temperature sensor.
In the production process, a certain distance is reserved between the plate 900 and the heating roller 100 and the composite roller 200, a little time is needed, and a part of heat is lost in the period, so that the temperature of the plate is deviated from the set process temperature during compounding, and in order to eliminate or reduce the deviation, the temperature monitoring system in the embodiment of the invention monitors the plate at the compounding position in real time, so that the temperature of the heating roller is regulated and controlled to be stabilized within the allowable error range of the set process temperature, and the product quality is guaranteed.
The temperature monitoring system includes:
the first temperature sensor 300 is used for obtaining the real-time temperature of the plate at the composite position of the composite roller and is arranged between the heating roller and the composite roller; the first temperature sensor 300 may be a high temperature infrared thermometer.
The monitoring module M100 is used for monitoring the temperature data acquired by the first temperature sensor;
the algorithm module M200 is used for calculating the temperature difference between the real-time temperature of the plate at the composite roller compounding position and the set target temperature of the plate at the composite roller compounding position;
the execution module M300 is used for obtaining the heating power required by the plate at the composite position of the composite roller to reach the target temperature according to the temperature difference;
and the control module M400 is used for controlling the temperature of the heating roller by controlling the heating power output by the power supply module. The monitoring module M100, the algorithm module M200, the execution module M300, and the control module M400 may be disposed in a server 400, see the block diagram of the functional modules of the server in an embodiment of fig. 2.
Since the compounding roller compounds the sheet material and the plastic film by pressing between the two rollers, the temperature of the compound area is not easily measured directly, and in the illustrated embodiment, the first temperature sensor 300 is movably disposed between the heating roller 100 and the compounding roller 200. The first temperature sensor comprises a temperature acquisition module and a temperature calculation module, and the temperature calculation module acquires the real-time temperature of the composite roller at the composite position according to the temperature acquired by the temperature acquisition module and the position relation between the first temperature sensor and the composite roller. In particular, the amount of the solvent to be used,
the temperature calculation module obtains the real-time temperature of the plate at the composite position of the composite roller, and comprises the following steps:
s10: moving the first temperature sensor, and acquiring the temperatures of the plates at different positions through the temperature acquisition module;
s20: the temperature calculation module obtains a plate position-temperature curve of which the temperature changes along with different plate positions according to the plate positions and the measured plate temperatures;
the temperature calculation module calculates the real-time temperature of the plate at the composite position of the composite roller according to the temperature acquired by the temperature acquisition module, the position relation between the first temperature sensor and the composite roller and the plate position-temperature curve.
The S10 and the S20 are used for obtaining a plate position-temperature curve, when a plate needing to be coated is changed, the heat conduction performance of the plate is different due to different materials and thicknesses of the plate, the plate position-temperature curve is different even if the first temperature sensor is located at the same position when the coated iron production line equipment runs, and the S10 and the S20 enable the temperature monitoring system to obtain real-time temperature of a more accurate compounding position.
And the execution module M300 is used for obtaining the heating power required by the plate to reach the target temperature at the composite roller compounding position according to the temperature difference, and in one embodiment, the heating power required by the plate to reach the target temperature at the composite roller compounding position is obtained based on a PID algorithm.
Specifically, the PID algorithm includes the following formula:
ΔF=(Kp*Dt)+(Ki*Tt)+(Kd*(Dt-Dt-1))
wherein, Kp、KiAnd KdProportional coefficient, integral coefficient and differential coefficient respectively;
delta F is the change value of the heating power in the t period;
Ttthe temperature difference is the temperature difference between the real-time temperature of the plate at the compounding position of the compound roller and the set target temperature of the plate at the compounding position of the compound roller during the t period; the target temperature of the sheet material may be determined according to a specifically set compounding process.
DtAnd Dt-1Respectively at t periods of time andthe temperature difference change value in the t-1 period meets the following conditions:
Dt=Tt-Tt-1
Dt-1=Tt-1-Tt-2
the heating power in the t period is equal to the sum of the heating power in the t-1 period and the change value of the heating power in the t period. In the invention, the period can be determined according to the actual production process of the coated iron, and can be accurate to the order of seconds or minutes, such as 1 minute, and the like, without limitation.
In the embodiment of FIG. 1, plate 900 is contacted with heating roller 100 in a "-" type manner to increase the contact area, and at the same time, in order to save energy for heating and to improve the stability of temperature, the heating roller 100 may be provided with an insulation material on the outer circumference thereof, or the heating roller 100 may be disposed in the incubator 120 to secure the temperature of the plate 900.
In order to achieve a good composite effect, in some embodiments, a plurality of heating units may be disposed in the heating roller, and the temperature of each heating unit is individually set and controlled, so as to achieve the purpose of adjusting the temperature of the plate contacting with the roller surface. In these embodiments, after the execution module M300 obtains the heating power required by the sheet material at the composite roll composite position to reach the target temperature according to the temperature difference, the heating power of each heating unit may be distributed according to the number of actual heating units.
In the embodiment that the heating roller adopts the electromagnetic induction heating roller, the power module controls the power of rectifying, filtering and inverting the power frequency alternating current into high-frequency alternating current.
The temperature monitoring system of the present invention may further include an alert module M500, and when the monitoring module M100 monitors that the temperature collected by the first temperature sensor is greater than the threshold temperature, the alert module sends alert information. The warning information may be a flashing warning light or a ringing warning bell connected to the warning module M500.
According to the above embodiment, the temperature monitoring system of the invention can bring at least the following beneficial effects: because different plate materials and thicknesses and different heat conduction and heat dissipation performances are different, the method can obtain a plate position-temperature curve with the temperature changing along with different plate positions by utilizing a movable temperature sensor, so as to obtain more accurate real-time temperatures of different plates at the compounding position of the compounding roller; the heating power of the heating roller is adjusted and controlled according to the temperature difference between the real-time temperature of the compounding position and the optimal temperature required by the compounding process, so that the temperature of the plate at the heating roller is adjusted more accurately, efficiently and reliably, the production efficiency of the coated iron is improved, and the generation cost is reduced.
Fig. 3 is a flowchart of a method for monitoring a temperature of a coated iron production line device according to an embodiment of the present invention, where the monitoring method employs the above system for monitoring a temperature of a coated iron production line device, and specifically the method includes the following steps:
s100: the first temperature sensor obtains the real-time temperature of the plate at the compounding position of the compound roller;
s200: the monitoring module acquires temperature data acquired by the first temperature sensor;
s300: the algorithm module calculates the temperature difference between the real-time temperature of the plate at the composite roller compounding position and the set target temperature of the plate at the composite roller compounding position;
s400: the execution module obtains the heating power required by the plate at the composite position of the composite roller to reach the target temperature according to the temperature difference;
s500: the control module controls the temperature of the heating roller by controlling the heating power output by the power supply module.
The invention adopts a monitoring method for monitoring the composite temperature of the plate in real time, and regulates and controls the temperature of the heating roller more accurately and reliably according to the temperature difference between the real-time temperature and the temperature required by the composite process, thereby improving the production efficiency of the coated iron and reducing the production cost.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. It is to be understood that the terms "lower" or "upper", "downward" or "upward" and the like are used to describe features of the exemplary embodiments with reference to the positions of such features as displayed in the figures; the terms first, second, etc. are used to denote names, but not any particular order.

Claims (10)

1. A temperature monitoring system of a coated iron production line device is used for monitoring the operation of the coated iron production line device and is characterized in that the coated iron production line device comprises a heating roller and a composite roller;
the heating roller comprises a power supply module for preheating the plate needing to be coated with the film;
the composite roller is used for hot-pressing and compounding the plate preheated by the heating roller and the plastic film;
the temperature monitoring system includes:
the first temperature sensor is used for obtaining the real-time temperature of the plate at the composite position of the composite roller and is arranged between the heating roller and the composite roller;
the monitoring module is used for monitoring the temperature data acquired by the first temperature sensor;
the algorithm module is used for calculating the temperature difference between the real-time temperature of the plate at the composite roller composite position and the set target temperature of the plate at the composite roller composite position;
the execution module is used for obtaining the heating power required by the plate at the composite position of the composite roller to reach the target temperature according to the temperature difference;
and the control module is used for controlling the temperature of the heating roller by controlling the heating power output by the power supply module.
2. The system for monitoring the temperature of the laminated iron production line equipment according to claim 1, wherein the execution module obtains the heating power required by the plate to reach the target temperature at the compounding position of the composite roll based on a PID algorithm.
3. The system for monitoring the temperature of the coated iron production line equipment according to claim 2, wherein the PID algorithm comprises the following formula:
ΔF=(Kp*Dt)+(Ki*Tt)+(Kd*(Dt-Dt-1))
wherein, Kp、KiAnd KdProportional coefficient, integral coefficient and differential coefficient respectively;
delta F is the change value of the heating power in the t period;
Ttthe temperature difference is the temperature difference between the real-time temperature of the plate at the compounding position of the compound roller and the set target temperature of the plate at the compounding position of the compound roller during the t period;
Dtand Dt-1The temperature difference change values in the t period and the t-1 period are respectively, and satisfy:
Dt=Tt-Tt-1
Dt-1=Tt-1-Tt-2
4. the system for monitoring the temperature of coated iron production line equipment according to claim 3, wherein the heating power in the t period is equal to the sum of the heating power in the t-1 period and the variation value of the heating power in the t period.
5. The system for monitoring the temperature of the laminated iron production line equipment according to claim 1, wherein the first temperature sensor is a high-temperature infrared thermometer.
6. The system for monitoring the temperature of the coated iron production line equipment according to claim 1, wherein the first temperature sensor is movably arranged between the heating roller and the compound roller.
7. The system for monitoring the temperature of the laminated iron production line equipment according to claim 6, wherein the first temperature sensor comprises a temperature acquisition module and a temperature calculation module, and the temperature calculation module is used for acquiring the real-time temperature of the plate at the compounding position of the compound roller according to the temperature acquired by the temperature acquisition module and the position relation between the first temperature sensor and the compound roller.
8. The system for monitoring the temperature of the laminated iron production line equipment according to claim 7, wherein the temperature calculation module obtains the real-time temperature of the plate at the compounding position of the compound roller, and comprises the following steps:
moving the first temperature sensor, and acquiring the temperatures of the plates at different positions through the temperature acquisition module;
the temperature calculation module obtains a plate position-temperature curve of which the temperature changes along with different plate positions according to the plate positions and the measured plate temperatures;
the temperature calculation module calculates the real-time temperature of the plate at the composite position of the composite roller according to the temperature acquired by the temperature acquisition module, the position relation between the first temperature sensor and the composite roller and the plate position-temperature curve.
9. The system for monitoring the temperature of the coated iron production line equipment according to claim 1, wherein the system for monitoring the temperature further comprises an alarm module;
when the monitoring module monitors that the temperature collected by the first temperature sensor is greater than the threshold temperature, the warning module sends warning information.
10. A method for monitoring the temperature of equipment in a coated iron production line, which is characterized in that the monitoring method adopts the system for monitoring the temperature of the equipment in the coated iron production line of any one of claims 1 to 9, and the method comprises the following steps:
the first temperature sensor obtains the real-time temperature of the plate at the compounding position of the compound roller;
the monitoring module acquires temperature data acquired by the first temperature sensor;
the algorithm module calculates the temperature difference between the real-time temperature of the plate at the composite roller compounding position and the set target temperature of the plate at the composite roller compounding position;
the execution module obtains the heating power required by the plate at the composite position of the composite roller to reach the target temperature according to the temperature difference;
the control module controls the temperature of the heating roller by controlling the heating power output by the power supply module.
CN202010425703.4A 2020-05-19 2020-05-19 System and method for monitoring temperature of laminated iron production line equipment Pending CN111438929A (en)

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