CN201352316Y - Full-automatic intelligent control unit of curing furnace - Google Patents

Full-automatic intelligent control unit of curing furnace Download PDF

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CN201352316Y
CN201352316Y CNU2009200991085U CN200920099108U CN201352316Y CN 201352316 Y CN201352316 Y CN 201352316Y CN U2009200991085 U CNU2009200991085 U CN U2009200991085U CN 200920099108 U CN200920099108 U CN 200920099108U CN 201352316 Y CN201352316 Y CN 201352316Y
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intelligent control
automatic intelligent
curing oven
temperature
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周晶
蒋哲
王晓辉
何艳芝
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Harbin Hafei Industry Co Ltd
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Harbin Hafei Industry Co Ltd
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Abstract

本实用新型提供了一种固化炉全自动智能控制单元。它包括上位机、通讯模块、温控表、调功器、适配器、可编程控制器及其扩展模块和设置在固化炉内的加热设备、炉温单元、执行机构、产品温度单元，上位机通过通讯模块连接温控表和适配器，温控表连接调功器，适配器连接可编程控制器及其扩展模块，调功器连接加热设备，炉温单元连接温控表，可编程控制器连接执行机构，产品温度单元连接可编程控制器扩展模块，上位机连接打印机。本实用新型不但可以控制炉温的升温速率及产品成形的温度控制精度要求，还可以保证所控制产品的质量，控制系统简洁，自动化程度高，便于用户使用及管理。

The utility model provides a fully automatic intelligent control unit for a curing furnace. It includes upper computer, communication module, temperature control meter, power regulator, adapter, programmable controller and its expansion modules, heating equipment, furnace temperature unit, actuator, product temperature unit set in the curing furnace, the upper computer through The communication module is connected to the temperature control meter and the adapter, the temperature control meter is connected to the power regulator, the adapter is connected to the programmable controller and its expansion module, the power regulator is connected to the heating equipment, the furnace temperature unit is connected to the temperature control meter, and the programmable controller is connected to the actuator , the product temperature unit is connected to the programmable controller expansion module, and the host computer is connected to the printer. The utility model can not only control the heating rate of the furnace temperature and the temperature control accuracy requirements of product forming, but also ensure the quality of the controlled products. The control system is simple, the degree of automation is high, and it is convenient for users to use and manage.

Description

一种固化炉全自动智能控制单元 A fully automatic intelligent control unit for a curing furnace

(一)技术领域 (1) Technical field

本实用新型涉及全自动智能控制领域，尤其涉及一种固化炉的智能控制系统。The utility model relates to the field of fully automatic intelligent control, in particular to an intelligent control system for a curing furnace.

(二)背景技术 (2) Background technology

固化炉是用于复合材料制品及胶接产品的固化成形。目前国内生产的固化炉一是通过国际认证的很少，控制方式比较原始，自动化程度较低，二是没有形成一定的规模，而国内的大多固化炉的用户都使用原装外国进口的成套设备，这必然限制了国内对该产品的发展，使先进的控制系统和方法得不到应用。The curing furnace is used for curing and forming of composite products and adhesive products. At present, there are very few curing furnaces produced in China that have passed international certification, the control method is relatively primitive, and the degree of automation is low. This inevitably limits the domestic development of this product, so that advanced control systems and methods cannot be applied.

(三)实用新型内容 (3) Contents of utility model

本实用新型的目的在于提供一种控制精度高、操作简单、人机界面友好而且保证产品质量的行之有效的固化炉全自动智能控制单元。The purpose of the utility model is to provide an effective full-automatic intelligent control unit for a curing furnace with high control precision, simple operation, friendly man-machine interface and guaranteed product quality.

本实用新型的目的是这样实现的：它包括上位机、通讯模块、温控表、调功器、适配器、可编程控制器及其扩展模块和设置在固化炉内的加热设备、炉温单元、执行机构、产品温度单元，上位机通过通讯模块连接温控表和适配器，温控表连接调功器，适配器连接可编程控制器及其扩展模块，调功器连接加热设备，炉温单元连接温控表，可编程控制器连接执行机构，产品温度单元连接可编程控制器扩展模块，上位机连接打印机。The purpose of this utility model is achieved in this way: it includes a host computer, a communication module, a temperature control meter, a power regulator, an adapter, a programmable controller and its expansion modules, and heating equipment, furnace temperature units, The actuator, the product temperature unit, the upper computer is connected to the temperature control meter and the adapter through the communication module, the temperature control meter is connected to the power regulator, the adapter is connected to the programmable controller and its expansion module, the power regulator is connected to the heating equipment, and the furnace temperature unit is connected to the temperature controller. The control meter, the programmable controller is connected to the actuator, the product temperature unit is connected to the programmable controller expansion module, and the upper computer is connected to the printer.

本实用新型还有这样一些技术特征：The utility model also has some technical characteristics:

1、所述的上位机为工业控制计算机，采用的组态软件为组态王，通过串口COM1、COM2与通讯模块相连，通过LPT口与打印机相连；1. The above-mentioned host computer is an industrial control computer, and the configuration software adopted is KingView, which is connected to the communication module through the serial ports COM1 and COM2, and connected to the printer through the LPT port;

2、所述的可编程控制器及其扩展模块构成下位机PLC，下位机PLC设置有输入信号单元；2. The programmable controller and its expansion modules constitute a lower computer PLC, and the lower computer PLC is provided with an input signal unit;

3、所述的通讯模块包括FX485PC-IF模块和ADAM-4520模块，FX485PC-IF模块连接适配器，ADAM-4520模块连接温控表；3. The communication module includes FX485PC-IF module and ADAM-4520 module, the FX485PC-IF module is connected to the adapter, and the ADAM-4520 module is connected to the temperature control meter;

4、所述的可编程控制器为三菱的FX2N系列，温控表为欧陆的2400系列产品，调功器为欧陆的TC2000。4. The programmable controller mentioned above is the FX2N series of Mitsubishi, the temperature control meter is the 2400 series product of the Continental, and the power regulator is the TC2000 of the Continental.

为了实现该种固化炉的智能控制，本实用新型采取的控制方案是：做远程监控用的上位机为含有组态软件的工业控制计算机(IPC)，现场选用分布式PLC和相应扩展模块以及温控器、调功器等电气元件，上位机与现场通过不同的串口使用不同的通信协议与现场PLC和温控器通信。上位机能够监视现场的所有数据，生成实时曲线和历史曲线，产生各种实时报表和历史报表，报警等，并可在远程进行控制；同时还提供用户进行各批产品的历史查询。产品成形的工艺过程及参数(包括温度控制曲线以及压力控制参数)都通过上位机传入现场PLC及温控表。温控曲线中的温升速率，时间，各保持段的时间都要传入现场温控器，同时还要在上位机显示出每个段所进行的时间。通过上位机与现场的联合控制，从而达到由炉温来控制产品成形的温度要求；通过PLC来控制产品的压力要求，精确地控制产品的温度和压力来保证产品的质量。In order to realize the intelligent control of this kind of curing furnace, the control scheme adopted by the utility model is: the upper computer used for remote monitoring is an industrial control computer (IPC) with configuration software, and the distributed PLC and corresponding expansion modules and temperature controllers are selected on site. Controllers, power regulators and other electrical components, the host computer and the site use different communication protocols to communicate with the site PLC and temperature controller through different serial ports. The upper computer can monitor all the data on site, generate real-time curves and historical curves, generate various real-time reports and historical reports, alarms, etc., and can control them remotely; at the same time, it also provides users with historical queries of various batches of products. The process and parameters of product forming (including temperature control curve and pressure control parameters) are transmitted to the on-site PLC and temperature control table through the host computer. The temperature rise rate, time, and time of each holding period in the temperature control curve must be transmitted to the on-site temperature controller, and the time for each period should be displayed on the host computer at the same time. Through the joint control of the upper computer and the site, the temperature requirements of the product forming are controlled by the furnace temperature; the pressure requirements of the product are controlled by the PLC, and the temperature and pressure of the product are precisely controlled to ensure the quality of the product.

本控制系统在炉温控制中采用了一种方法，无论温度控制过程如何复杂，都能用含有一个程序段的温控表来实现多段温控的要求。本实用新型针对目前国产固化炉控制系统与国外固化炉控制系统没有竞争力而提出的一种控制精度高，操作简单、人机界面友好而且保证产品质量的行之有效的固化炉全自动智能控制系统。对于炉温及产品温度控制精确可靠，实现全自动智能控制，不但实时监测温度及压力等参数，生成各种曲线和报表，报警等，还便于历史记录的查询，有利于对产品的管理。一但出现故障能及时报警以示操作者。This control system adopts a method in the furnace temperature control. No matter how complicated the temperature control process is, the temperature control table with one program segment can be used to realize the multi-stage temperature control requirements. The utility model proposes an effective full-automatic intelligent control of the curing furnace with high control precision, simple operation, friendly human-machine interface and guaranteed product quality, aiming at the lack of competitiveness between the domestic curing furnace control system and the foreign curing furnace control system. system. The control of furnace temperature and product temperature is accurate and reliable, and realizes automatic intelligent control. It not only monitors parameters such as temperature and pressure in real time, generates various curves, reports, and alarms, but also facilitates the query of historical records and is beneficial to product management. Once a failure occurs, it can alarm in time to show the operator.

本实用新型的有益效果在于：操作界面更加人性化，便于用户使用和操作；炉温的升温速率可调，能够控制产品成形过程的温度控制精度要求，有效地保证产品的控制质量；能够用含有一个程序的温控表进行多段温控的要求；在上位机能够通过组态软件监控现场的所有数据及工作状态，生成各种实时曲线和历史曲线，产生各种实时报表和历史报表，报警等，可实时通过打印机输出各种曲线、报表等，并可在远程进行控制；同时还提供用户对各批产品成形的数据进行历史查询，便于对产品的成形过程进行监控和管理；本实用新型不但可以控制炉温的升温速率及产品成形的温度控制精度要求，还可以保证所控制产品的质量，控制系统简洁，自动化程度高，便于用户使用及管理。The beneficial effects of the utility model are: the operation interface is more humanized, which is convenient for users to use and operate; the heating rate of the furnace temperature is adjustable, which can control the temperature control accuracy requirements of the product forming process, and effectively ensure the control quality of the product; The temperature control table of a program is required for multi-stage temperature control; the host computer can monitor all the data and working status of the site through the configuration software, generate various real-time curves and historical curves, generate various real-time reports and historical reports, alarms, etc. , can output various curves, reports, etc. through the printer in real time, and can be controlled remotely; at the same time, it also provides users with historical query on the data of each batch of product forming, which is convenient for monitoring and management of the product forming process; the utility model not only It can control the heating rate of the furnace temperature and the temperature control accuracy requirements of product forming, and can also ensure the quality of the controlled products. The control system is simple and highly automated, which is convenient for users to use and manage.

(四)附图说明 (4) Description of drawings

图1是本实用新型的电气控制原理框图。Fig. 1 is the electric control principle block diagram of the present utility model.

(五)具体实施方式 (5) Specific implementation methods

下面结合附图和具体实施方式对本实用新型作进一步的说明：Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described:

图1是某种固化炉的全自动智能控制系统原理框图，做远程监控用的上位机为含有组态软件的工业控制计算机(IPC)上位机5，现场选用分布式PLC13和相应扩展模块15以及温控调节模块8等电气元件，上位机5与现场通过不同的串口2、4经通讯模块6、7使用不同的通信协议与现场PLC可编程控制器13和温控器8通信。Fig. 1 is a functional block diagram of a fully automatic intelligent control system for a certain curing furnace. The upper computer used for remote monitoring is an industrial control computer (IPC) upper computer 5 containing configuration software, and distributed PLC13 and corresponding expansion modules 15 and 15 are selected on site. Electrical components such as the temperature control adjustment module 8, the host computer 5 and the field communicate with the field PLC programmable controller 13 and the temperature controller 8 through different serial ports 2 and 4 via communication modules 6 and 7 using different communication protocols.

本实施例所使用的PLC13为三菱的FX2N系列；所用的温控表8为欧陆的2400系列产品，调功器9为欧陆的TC2000，完成对加热器10的控制。The PLC13 used in this embodiment is FX2N series of Mitsubishi;

上位机5所使用的计算机是研华的工业控制计算机，内装的组态软件为组态王，通过工控机的串口COM14、COM22与下位机PLC13和温控表8通信。上位机5能够通过组态软件监控现场的所有数据，生成各种实时曲线和历史曲线，产生各种实时报表和历史报表，报警等，可实时通过LPT口3经打印机1输出各种曲线、报表等，并可在远程进行控制；同时还提供用户进行各批产品的历史查询，人机界面友好，便于用户使用。The computer used by the upper computer 5 is Advantech’s industrial control computer, and the built-in configuration software is KingView, which communicates with the lower computer PLC13 and the temperature control meter 8 through the serial ports COM14 and COM22 of the industrial computer. The upper computer 5 can monitor all the data on site through the configuration software, generate various real-time curves and historical curves, generate various real-time reports and historical reports, alarms, etc., and can output various curves and reports through the printer 1 through the LPT port 3 in real time etc., and can be controlled remotely; at the same time, it also provides users with historical query of various batches of products. The man-machine interface is friendly and easy for users to use.

COM1串口4通讯口经FX485PC-IF模块7和FX2NC-485ADP适配器11与PLC13通信；COM1 serial port 4 communicates with PLC13 via FX485PC-IF module 7 and FX2NC-485ADP adapter 11;

COM2串口2通讯口经ADAM-4520模块6与温控表8通信。The COM2 serial port 2 communication port communicates with the temperature control meter 8 through the ADAM-4520 module 6 .

产品成形现场选用可编程控制器的扩展模块进行现场数据的采集，包括温度信号，压力信号等；炉温控制通过上位机的编程来实现对温控表的程序编写，只有有效地控制温控表内的程序，才能由温控表经由调功器来控制炉体的加热设备。产品成形的工艺过程及参数(包括温度控制曲线以及压力控制参数)都通过上位机传入现场PLC13及温控表8，根据产品的工艺过程在组态软件中编制程序来实现对温控表8的控制。温控曲线中的温升速率，时间，各保持段的时间都要传入现场温控表8，同时还要在上位机5显示出当前所进行的温控段以及每个段所进行的时间。通过上位机5与现场的联合控制，从而达到由固化炉18炉温来控制产品成形的温度要求。The expansion module of the programmable controller is selected on the product forming site to collect on-site data, including temperature signals, pressure signals, etc.; the furnace temperature control realizes the programming of the temperature control table through the programming of the upper computer. The program in the furnace can be controlled by the temperature control meter through the power regulator to control the heating equipment of the furnace body. The process and parameters of product forming (including temperature control curve and pressure control parameters) are transmitted to the on-site PLC13 and temperature control table 8 through the host computer, and the temperature control table 8 is realized by programming in the configuration software according to the process of the product. control. The temperature rise rate and time in the temperature control curve, and the time of each holding period must be transmitted to the on-site temperature control table 8, and at the same time, the host computer 5 will display the current temperature control period and the time for each period . Through the joint control of the upper computer 5 and the field, the temperature requirement for product forming is controlled by the temperature of the curing furnace 18 .

本实施例通过PLC13来控制产品的压力(包括真空或正压)要求，精确地控制产品的压力。温度和压力控制是本控制系统的核心，通过本实用新型的全自动智能控制系统能够可靠地保证产品的质量。产品成形现场选用可编程控制器13及其扩展模块15进行现场数据的采集(包括温度信号，压力信号等)，进行各种运算和转换，给上位机5提供各种数据，同时接受上位机5的操作指令，按照内部编制的程序检测输入信号单元14，将控制信号输出给相应的执行机构16，从而完成整个产品成形过程的工艺要求。In this embodiment, PLC13 is used to control the product pressure (including vacuum or positive pressure) requirements, and precisely control the product pressure. Temperature and pressure control is the core of the control system, and the quality of the product can be reliably guaranteed through the fully automatic intelligent control system of the utility model. The programmable controller 13 and its extension module 15 are selected on the product forming site to collect on-site data (including temperature signals, pressure signals, etc.), perform various calculations and conversions, provide various data to the host computer 5, and accept the host computer 5 at the same time. According to the operating instructions, the input signal unit 14 is detected according to the internal program, and the control signal is output to the corresponding actuator 16, so as to complete the process requirements of the entire product forming process.

固化炉18炉温控制是通过上位机5的编程来实现对温控表8的程序编写，只有有效地控制温控表8内的程序，才能由温控表8经由调功器9来控制固化炉18炉体的加热设备10。The temperature control of the curing furnace 18 is to realize the programming of the temperature control table 8 through the programming of the upper computer 5. Only by effectively controlling the program in the temperature control table 8 can the temperature control table 8 control the curing through the power regulator 9 The furnace 18 is the heating equipment 10 for the furnace body.

本实施例控制系统在炉温控制中，由于关注的温度是产品成形的温度，炉温和产品之间存在着不同时间的滞后，产品大小、厚度不同，产品温度单元17与炉温单元12滞后的时间会大不相同，而恒温时间也各不相同，不同产品工艺过程也会有简单和复杂之分，所以用一个固定的程序是不能满足产品温度控制要求的。为此本实用新型采用了一种控制方法，无论温度控制过程如何复杂，都能用含有一个程序的温控表来实现多段温控的要求。对于一个三上升三保持一下降的控制曲线，用一个固定的程序是不能够保证各段恒温时间的，因为工件各部分进入恒温区的时间滞后是不同的，所以每一个上升和保持过程都要分两次给温控表传入程序，第一次传程序主要传入上升速率和第一段的目标值以及一个足够长的保持时间，当所有温度都达到目标值时，再第二次传入程序，这一次要把目标值和恒温时间传入，这样一个三上升三保持一下降的控制曲线要分七次传入程序才能完成。这种控制方法不但能保证炉体的升温速率，还能保证产品成形各段的保持时间，不会因炉温和产品成形温度之间存在不同时间的滞后而影响保持段应保持的时间。In the furnace temperature control of the control system of this embodiment, since the temperature of concern is the temperature of product forming, there is a lag of different times between the furnace temperature and the product, and the product size and thickness are different. The product temperature unit 17 and the furnace temperature unit 12 lag. The time will be very different, and the constant temperature time is also different, and the process of different products will be simple or complex, so a fixed program cannot meet the product temperature control requirements. For this reason the utility model adopts a kind of control method, no matter how complicated the temperature control process is, the temperature control table that contains a program can be used to realize the requirement of multi-stage temperature control. For a control curve with three rises, three holds and one fall, it is impossible to guarantee the constant temperature time of each section with a fixed program, because the time lag of each part of the workpiece entering the constant temperature zone is different, so each rising and holding process must be Transfer the program to the temperature control table twice. The first transfer program mainly transfers the rising rate, the target value of the first segment and a long enough holding time. When all the temperatures reach the target value, the second transfer This time, the target value and constant temperature time should be input into the program. Such a control curve with three rises, three holds and one drop must be divided into seven times to complete the program. This control method can not only ensure the heating rate of the furnace body, but also ensure the holding time of each section of the product forming, and will not affect the holding time of the holding section due to the different time lags between the furnace temperature and the product forming temperature.

本实施例虽然专用于某一种固化炉的全自动智能控制系统，但此种设计方案及温度控制方法可用于许多温控设备中，凡在本实用新型申请专利范围内所述的控制原理所做的类似的修改都属于本实用新型申请专利范围内。Although this embodiment is dedicated to a fully automatic intelligent control system of a certain curing furnace, this design scheme and temperature control method can be used in many temperature control equipment, and all the control principles described in the scope of the utility model patent application The similar modifications done all belong to the patent scope of the utility model.

Claims (9)

1, a kind of curing oven fully-automatic intelligent control module, it comprises host computer and curing oven, it is characterized in that it also comprises communication module, temp controlled meter, power regulating eqiupment, adapter, Programmable Logic Controller and expansion module thereof and the firing equipment that is arranged in the curing oven, the furnace temperature unit, topworks, the product temperature unit, host computer connects temp controlled meter and adapter by communication module, temp controlled meter connects power regulating eqiupment, adapter connects Programmable Logic Controller and expansion module thereof, power regulating eqiupment connects firing equipment, the furnace temperature unit connects temp controlled meter, Programmable Logic Controller connects topworks, the product temperature unit connects the Programmable Logic Controller expansion module, and host computer connects printer.
2, a kind of curing oven fully-automatic intelligent control module according to claim 1, it is characterized in that described host computer is an industrial control computer, the configuration software that adopts is a KingView, links to each other with communication module by serial ports COM1, COM2, links to each other with printer by the LPT mouth.
3, a kind of curing oven fully-automatic intelligent control module according to claim 1 and 2 is characterized in that described Programmable Logic Controller and expansion module thereof constitute slave computer PLC, and slave computer PLC is provided with the input signal unit.
4, a kind of curing oven fully-automatic intelligent control module according to claim 1 and 2, it is characterized in that described communication module comprises FX485PC-IF module and ADAM-4520 module, FX485PC-IF module connection adaptor, the ADAM-4520 module connects temp controlled meter.
5, a kind of curing oven fully-automatic intelligent control module according to claim 3 is characterized in that described communication module comprises FX485PC-IF module and ADAM-4520 module, FX485PC-IF module connection adaptor, and the ADAM-4520 module connects temp controlled meter.
6, a kind of curing oven fully-automatic intelligent control module according to claim 1 and 2 is characterized in that described Programmable Logic Controller is the FX2N series of Mitsubishi, and temp controlled meter is 2400 series of products of Continental Europe, and power regulating eqiupment is the TC2000 of Continental Europe.
7, a kind of curing oven fully-automatic intelligent control module according to claim 3 is characterized in that described Programmable Logic Controller is the FX2N series of Mitsubishi, and temp controlled meter is 2400 series of products of Continental Europe, and power regulating eqiupment is the TC2000 of Continental Europe.
8, a kind of curing oven fully-automatic intelligent control module according to claim 4 is characterized in that described Programmable Logic Controller is the FX2N series of Mitsubishi, and temp controlled meter is 2400 series of products of Continental Europe, and power regulating eqiupment is the TC2000 of Continental Europe.
9, a kind of curing oven fully-automatic intelligent control module according to claim 5 is characterized in that described Programmable Logic Controller is the FX2N series of Mitsubishi, and temp controlled meter is 2400 series of products of Continental Europe, and power regulating eqiupment is the TC2000 of Continental Europe.
CNU2009200991085U 2009-02-13 2009-02-13 Full-automatic intelligent control unit of curing furnace Expired - Fee Related CN201352316Y (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102241095A (en) * 2010-05-12 2011-11-16 哈尔滨乐普实业发展中心 Intelligent temperature control method for curing furnace and device thereof
CN103176488A (en) * 2013-02-17 2013-06-26 葫芦岛市滨海宇通自动化控制有限公司 Control device for welding rod warm box
CN104699136A (en) * 2015-02-13 2015-06-10 北京京诚之星科技开发有限公司 Temperature control system of power curing oven
CN105404327A (en) * 2015-11-09 2016-03-16 适新科技（苏州）有限公司 Networked monitoring system for high-viscosity polyurethane formiate infrared curing box temperature
CN106226457A (en) * 2016-08-19 2016-12-14 陕西省建筑科学研究院 A kind of building materials non-combustibility test stove TT&C system and using method thereof
CN109724427A (en) * 2018-12-21 2019-05-07 成都易华天宇试验设备有限责任公司 A kind of control system suitable for curing oven

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102241095A (en) * 2010-05-12 2011-11-16 哈尔滨乐普实业发展中心 Intelligent temperature control method for curing furnace and device thereof
CN103176488A (en) * 2013-02-17 2013-06-26 葫芦岛市滨海宇通自动化控制有限公司 Control device for welding rod warm box
CN104699136A (en) * 2015-02-13 2015-06-10 北京京诚之星科技开发有限公司 Temperature control system of power curing oven
CN105404327A (en) * 2015-11-09 2016-03-16 适新科技（苏州）有限公司 Networked monitoring system for high-viscosity polyurethane formiate infrared curing box temperature
CN106226457A (en) * 2016-08-19 2016-12-14 陕西省建筑科学研究院 A kind of building materials non-combustibility test stove TT&C system and using method thereof
CN109724427A (en) * 2018-12-21 2019-05-07 成都易华天宇试验设备有限责任公司 A kind of control system suitable for curing oven

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