CN202472450U - Full-automatic fuzzy temperature control device - Google Patents

Full-automatic fuzzy temperature control device Download PDF

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Publication number
CN202472450U
CN202472450U CN 201120556188 CN201120556188U CN202472450U CN 202472450 U CN202472450 U CN 202472450U CN 201120556188 CN201120556188 CN 201120556188 CN 201120556188 U CN201120556188 U CN 201120556188U CN 202472450 U CN202472450 U CN 202472450U
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temperature
control
intermediate
control circuit
temperature control
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CN 201120556188
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Chinese (zh)
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刘吉雄
唐民军
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武汉计算机外部设备研究所
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Abstract

The utility model discloses a full-automatic fuzzy temperature control device, relating to the temperature control field and comprising a touch screen, a PLC, a temperature test module, an intermediate control circuit and a heating element, wherein the intermediate control circuit is a solid-state relay; a temperature sensor is arranged on the heating element; the PLC is respectively connected with the touch screen, the temperature test module and the intermediate control circuit; and the heating element is respectively connected with the temperature test module and the intermediate control circuit. The full-automatic fuzzy temperature control device can improve the accuracy of temperature control so as to make the fluctuation range of the temperature be no more than +/-10 DEG C.; and as the control accuracy is superior to the PID control mode, the required temperature control range in the test can be satisfied.

Description

全自动模糊温度控制装置 Automatic temperature control means Fuzzy

技术领域 FIELD

[0001] 本实用新型涉及温度控制领域,特别是涉及ー种全自动模糊温度控制装置。 [0001] The present invention relates to the field of temperature control, particularly to seed ー fuzzy automatic temperature control device.

背景技术 Background technique

[0002] 在吸油烟机油脂分离度及气味降低度产品的研发中,需使用一种温度控制装置。 [0002] decrease in fat separation hood and smell of the product development, the need to use a temperature-control device. 在温度控制过程中,前期为加热升温及温度稳定阶段,该阶段结束后系统处于一种加热和自然散热平衡状态;后期蒸馏水滴液系统向整个热平衡系统滴入蒸馏水,在此过程中,会出现液体蒸发,蒸发的液体会带走大量的热量,系统散热状态发生突变,使温度平衡被打破,温度大幅下降,而PID温度控制系统的上升又需要ー个缓慢的过程,实测的温度控制曲线參见图I所示,从图I中可以看出PID控制系统温度稳定下来需要一段较长时间,一旦滴液开始,整个平底锅的温度会急剧下降,最大降幅达40度左右。 In the temperature control process for the pre-heating temperature and temperature stabilization phase, the end of this period the system is for heating and cooling the natural equilibrium; late distilled dropping distilled water was added dropwise to the overall system heat balance system, in this process, there will be evaporation of the liquid, the liquid evaporation will take away a lot of heat dissipation system mutation status, so that the temperature balance is broken, the temperature dropped, rises PID temperature control system and the need ー a slow process, the measured temperature control curve parameters As shown in Figure I, I can be seen from FIG PID temperature control system takes a long time to stabilize, once started dropping, the temperature of the entire pan would drop dramatically, the maximum decrease of about 40 degrees. 由于在温度控制的过程中控制环境会发生突变,传统的PID (Proportion Integration Differentiation,比例积分微分)温度控制方式对固定环境模式控制比较好,对阶段性环境突变条件下的温度控制不可靠,并不适合当前突变的温度控制环境。 Since temperature control in the process control environment a mutation occurs, a conventional PID (Proportion Integration Differentiation, proportional integral derivative) control of the fixing temperature control mode environment is good, the next stepwise temperature controlled environmental conditions mutation unreliable, and mutant is not suitable for the current environmental temperature control.

实用新型内容 SUMMARY

[0003] 本实用新型的目的是为了克服上述背景技术的不足,提供ー种全自动模糊温度控制装置,能够提高温度控制的精度,使温度的上下波动幅度不超过±10°c,控制精度优于PID控制方式,可以满足试验中要求的温度控制范围。 [0003] The object of the present invention is to overcome the deficiencies of the background art, provides automatic ー kinds Fuzzy temperature control device, temperature control accuracy can be improved, so that the amplitude of the temperature fluctuations not to exceed ± 10 ° c, excellent control accuracy PID control to meet the test requirements of the temperature control range.

[0004] 本实用新型提供的全自动模糊温度控制装置,它包括发热元件和中间控制电路,它还包括触摸屏、可编程逻辑控制器PLC和温度测试模块,所述PLC分别与触摸屏、温度测试模块和中间控制电路相连,发热元件分别与温度测试模块和中间控制电路相连。 [0004] Fuzzy automatic temperature control of the present invention provides means, comprising a heating element and the intermediate control circuit further includes a touch screen, a programmable logic controller (PLC) and a temperature of the test module, a touch-screen PLC respectively, the temperature of the test module and a control circuit coupled to the intermediate heat generating circuit elements are connected to the temperature control of the test module and the intermediate.

[0005] 在上述技术方案中,所述中间控制电路为固态继电器。 [0005] In the above aspect, the intermediate control circuit is a solid state relay.

[0006] 在上述技术方案中,所述发热元件上安装有温度传感器。 [0006] In the above aspect, the temperature sensor is mounted on said heat generating element.

[0007] 与现有技术相比,本实用新型的优点如下: [0007] Compared with the prior art, the present invention has the following advantages:

[0008] (I)本实用新型提高了温度控制精度,使温度的上下波动幅度不超过±10°C,控制精度优于PID控制方式,可以满足试验中要求的温度控制范围。 [0008] (I) of the present invention improves the accuracy of the temperature control, so that the amplitude of the temperature fluctuations of no more than ± 10 ° C, the control range of the temperature control accuracy of better than PID control, to meet the test requirements.

[0009] (2)本实用新型不仅实现了温度自动控制,还加入了温度预测、试验状态记忆及智能控制功能,能更好适应实际需求。 [0009] (2) of the present invention not only realizes the automatic temperature control, but also the temperature prediction was added, and the test status memory intelligent control functions, better adapted to the actual demand.

[0010] (3)本实用新型还能实现任意给定温度状态的调节,在发热环境出现突变的条件下实现预测输出功能。 [0010] (3) The present invention also enables adjusting the temperature of any given state, to achieve the predicted output at the abrupt change in the heating environment.

附图说明 BRIEF DESCRIPTION

[0011] 图I是传统PID温度控制系统中实测的温度控制曲线示意图。 [0011] FIG. I is a schematic view of a conventional PID temperature control curve measured temperature control system.

[0012] 图2是本实用新型实施例的结构示意图。 [0012] FIG. 2 is a structural diagram of an embodiment of the present invention.

[0013] 图3是本实用新型实施例中实测的温度控制曲线示意图。 [0013] FIG. 3 is a graph of a schematic embodiment of the present invention measured the temperature control. [0014] 图中:1-触摸屏,2-PLC,3_温度测试模块,4-中间控制电路,5_发热元件。 [0014] In the drawings: 1- touchscreen, 2-PLC, 3_ temperature test module, 4- intermediate control circuit, the heating element 5_.

具体实施方式 Detailed ways

[0015] 下面结合附图及实施例对本实用新型作进ー步的详细描述。 [0015] Detailed description of embodiments of the present invention for step into ー accompanying drawings and embodiments below.

[0016] 參见图2所示,本实用新型实施例提供的全自动模糊温度控制装置,它包括触摸屏I、PLC (Programmable Logic Controller,可编程逻辑控制器)2、温度测试模块3、中间控制电路4和发热元件5,其中,中间控制电路4为固态继电器,发热元件5上安装有温度传感器,PLC2分别与触摸屏I、温度测试模块3和中间控制电路4相连,发热元件5分别与温度测试模块3和中间控制电路4相连。 [0016] Referring to Figure 2, the embodiment of the present invention provides fuzzy automatic temperature control device, which includes a touch screen I, PLC (Programmable Logic Controller, Programmable Logic Controller) 2, the temperature of the test module 3, the intermediate control circuit 4 and the heat generating element 5, wherein the intermediate control circuit 4 as a solid state relay is mounted a temperature sensor on the heating element 5, PLC2 are connected to the circuit 4 with the touch screen I, the temperature of the test module 3 and the intermediate control, the heating element 5, respectively temperature test module 3 and control circuit 4 is connected to the intermediate.

[0017] 本实用新型实施例的原理详细阐述如下: [0017] The embodiment of the present invention according to the principles set forth in detail as follows:

[0018] 本实用新型实施例根据用户设置的温度參数,自动调节试验所需要的温度,并反馈到PLC2,通过PLC2调整中间控制电路4的状态使其温度更接近标准要求。 [0018] According to an embodiment of the present invention, the temperature parameter set by the user, automatically adjust the temperature required for the test, and fed back to the PLC2, PLC2 is adjusted by controlling the state of the intermediate circuit 4 to a temperature closer to the standard requirements. 用户通过触摸屏I的人机交互界面输入需要达到的温度,然后PLC2的内部程序根据參数自动调节,通过中间控制电路4控制发热元件5的发热量,温度测试模块3实时测试得到的温度,并反馈给PLC2,PLC2的内部程序根据反馈的温度值,比较并预测整个温度控制系统的温度变化,及时根据预测运算的结果调整中间控制电路4,进而调节发热元件5的发热量,从而使系统的温度波动控制不超过±10°C范围内。 A user through the touch screen of the man-machine interface input I need to reach a temperature, PLC2 then automatically adjusted according to the internal parameter, the control circuit 4 heat the heat generating element 5, the temperature of the test module 3 real test temperature obtained by the intermediate control, and feedback to PLC2, PLC2 internal procedures according to the feedback temperature value, the comparison and the predicted temperature of the system changes throughout the temperature control, to adjust the intermediate control circuit 4 according to the result of the prediction computation, thereby regulating the amount of heat the heating element 5, so that the system controlling temperature fluctuations not to exceed ± 10 ° C range.

[0019] 具体的控制过程如下: [0019] Specific control process is as follows:

[0020] 操作人员通过设备上的触摸屏I设定所要求的温度,在温度控制装置中首先设定ー个温度控制周期为3秒,在该控制周期内一部分时间给加热系统通电,其通电时间为tl,该周期内的剰余时间t2切断加热电源,从而使加热系统的平均发热量可控,在后续的温度控制运算中通过调整tl、t2的值,即可精确的调整系统的平均发热量,由PLC2与触摸屏I的连接线传递给PLC2,PLC2通过内部控制程序进行初步运算,将计算结果通过中间控制电路4输出,从而控制发热元件5的发热量,使系统的温度能做相应的变换调节。 [0020] required by the operator via the touch screen on the device I set temperature, temperature in the apparatus is first set in a temperature control cycle ー 3 seconds which control the energization time, power to the heating system in the control portion of the time period, is tl, time t2 for Surplus than within the heating power off period, so that the average calorific value of the heating system controlled by adjusting the temperature control tl subsequent calculation, the value of t2, the average heating to precise adjustment system , transmitted from the PLC2 and the touch screen I of the cable to PLC2, PLC2 preliminary operation through the internal control program, the calculation result by the intermediate control circuit 4 outputs, thereby controlling the heating element heat 5, the temperature of the system do corresponding transformed regulation.

[0021] 然后通过温度测试模块3測量温度,并将该值反馈给PLC2,PLC2的内部程序将反馈值与触摸屏I上设定的值相比较,并预测后续时间的温度变化趋势,然后根据比较及预测的结果进行计算,并重新调整输出。 Value [0021] and the testing module 3 by the temperature measurement temperature, and the value is fed back to the PLC2, PLC2 internal program set on the I feedback value is compared with the touch screen, and the subsequent time change of the predicted temperature, and then based on the comparison and calculating the predicted results, and re-adjust the output. 通过输出-測量-反馈-比较并预测-再输出的方式,进行实时调整,最后将温度控制在系统所需要的温度内,通过以上自动调节步骤可以得到±5°C的调试精度,实际达到的温度控制状态參见图3所示。 The output - measuring - Feedback - Comparison and Prediction - way again output, adjusted in real time, and finally the temperature is controlled within the temperature required for the system, through the above automatic adjustment step may be obtained debugging accuracy ± 5 ° C, the actually achieved Referring to the temperature control state shown in FIG. 3.

[0022] 本实用新型实施例通过对实际应用中的温度的预测,并对通过PLC2对温度进行实时控制,不仅实现了温度自动控制,使温度的上下波动幅度不超过± 10°c,控制精度优于PID控制方式;同时加入了温度预测、试验状态记忆及智能控制功能,完全可以满足试验中要求的温度控制范围;还可以实现任意给定温度状态的调节,在发热环境出现突变的条件下实现预测输出功能。 [0022] Example embodiment of the present invention, by predicting the temperature of the practical application, and real time control of temperature through the PLC2, not only to achieve automatic control of temperature, so that the amplitude of the temperature fluctuations of no more than ± 10 ° c, the control accuracy PID control is superior; while adding the predicted temperature, and intelligent test status memory control, temperature control range can meet the test requirements; may also be implemented to adjust the temperature of any given state, under ambient conditions of heat generation occurs in the mutant achieve the predicted output.

[0023] 显然,本领域的技术人员可以对本实用新型进行各种改动和变型而不脱离本实用新型的精神和范围。 [0023] Obviously, those skilled in the art without departing from the present invention may be the spirit and scope of the present invention that various modifications and variations. 这样,倘若本实用新型的这些修改和变型属于本实用新型权利要求及其等同技术的范围之内,则本实用新型也意图包含这些改动和变型在内。 Thus, the present invention if such modifications and variations belong to the present invention as claimed in claims and their equivalents within the scope thereof, the present invention intends to include these modifications and variations.

[0024] 本说明书中未作详细描述的内容属于本领域专业技术人员公知的现有技木。 [0024] In the present specification, not described in detail within the skill of the professional skill known prior art timber.

Claims (3)

  1. 1. ー种全自动模糊温度控制装置,它包括发热元件(5)和中间控制电路(4),其特征在于:它还包括触摸屏(I)、可编程逻辑控制器PLC(2)和温度测试模块(3),所述PLC(2)分别与触摸屏(I)、温度测试模块⑶和中间控制电路⑷相连,发热元件(5)分别与温度测试模块⑶和中间控制电路⑷相连。 1. Fuzzy ー species automatic temperature control means comprises a heat generating element (5) and the intermediate control circuit (4), characterized in that: it further comprises a touch screen (the I), a programmable logic controller PLC (2) and the test temperature module (3), the PLC (2), respectively, with the touch screen (the I), and the intermediate temperature test module ⑶ ⑷ control circuit connected to the heating element (5), respectively, and the intermediate temperature test module ⑶ ⑷ connected to a control circuit.
  2. 2.如权利要求I所述的全自动模糊温度控制装置,其特征在于:所述中间控制电路(4)为固态继电器。 2. Automatic I according to claim Fuzzy temperature control apparatus, wherein: the intermediate control circuit (4) is a solid state relay.
  3. 3.如权利要求I或2所述的全自动模糊温度控制装置,其特征在于:所述发热元件(5)上安装有温度传感器。 Automatic I or claim 2 Fuzzy temperature control apparatus, wherein: a temperature sensor mounted on said heat generating element (5).
CN 201120556188 2011-12-28 2011-12-28 Full-automatic fuzzy temperature control device CN202472450U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105302197A (en) * 2015-11-30 2016-02-03 沈阳工业大学 Mobile heating control system and method for temperature intelligent regulation and control
CN105425923A (en) * 2015-11-09 2016-03-23 联想(北京)有限公司 Information processing method and electronic device
CN106094936A (en) * 2016-06-15 2016-11-09 华北电力大学 Fast heating control algorithm with heating rate arbitrarily adjustable for wire-mesh reactors
CN106094931A (en) * 2016-06-15 2016-11-09 华北电力大学 Rapid temperature control system for wire-mesh reactors

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105425923A (en) * 2015-11-09 2016-03-23 联想(北京)有限公司 Information processing method and electronic device
CN105302197A (en) * 2015-11-30 2016-02-03 沈阳工业大学 Mobile heating control system and method for temperature intelligent regulation and control
CN106094936A (en) * 2016-06-15 2016-11-09 华北电力大学 Fast heating control algorithm with heating rate arbitrarily adjustable for wire-mesh reactors
CN106094931A (en) * 2016-06-15 2016-11-09 华北电力大学 Rapid temperature control system for wire-mesh reactors
CN106094936B (en) * 2016-06-15 2017-11-28 华北电力大学 Net heating rate for the reactor freely adjustable rapid heating control algorithm

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