CN205319797U - Industrial automation produces monitored control system - Google Patents
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Abstract
本实用新型公开了一种工业自动化生产监控系统，包括防雷电路、EMI滤波电路、整流滤波电路、功率变换电路、PWM控制器和PFC电路，所述防雷电路一端连接输入电压Vi，防雷电路另一端通过EMI滤波电路连接整流滤波电路，整流滤波到了还分别连接输入过欠压保护电路、PFC电路和功率变换电路，功率变换电路还分别连接PWM控制器、整流滤波模块和PFC电路，PFC电路还连接输入过欠压保护电路，所述PWM控制器还连接输入过欠压保护电路、限流电路、输出过压保护电路、稳压电路和短路保护电路。本实用新型工业自动化生产监控系统通过对电源系统进行重新设计，能够自动监控电源的运行状态，并自动进行输出调节，系统结构简单，成本低，体积小，适用范围广。
The utility model discloses an industrial automatic production monitoring system, which comprises a lightning protection circuit, an EMI filter circuit, a rectification filter circuit, a power conversion circuit, a PWM controller and a PFC circuit. One end of the lightning protection circuit is connected to an input voltage Vi, and the lightning protection circuit The other end of the circuit is connected to the rectification filter circuit through the EMI filter circuit. When the rectification filter arrives, it is also connected to the input overvoltage and undervoltage protection circuit, PFC circuit and power conversion circuit. The power conversion circuit is also connected to the PWM controller, rectification filter module and PFC circuit respectively. The circuit is also connected to the input overvoltage and undervoltage protection circuit, and the PWM controller is also connected to the input overvoltage and undervoltage protection circuit, the current limiting circuit, the output overvoltage protection circuit, the voltage stabilizing circuit and the short circuit protection circuit. The industrial automatic production monitoring system of the utility model can automatically monitor the running state of the power supply and automatically adjust the output by redesigning the power supply system. The system has simple structure, low cost, small volume and wide application range.
Description
技术领域 technical field
本实用新型涉及一种监控系统，具体是一种工业自动化生产监控系统。 The utility model relates to a monitoring system, in particular to an industrial automatic production monitoring system.
背景技术 Background technique
工业自动化就是工业生产中的各种参数为控制目的，实现各种过程控制，在整个工业生产中，尽量减少人力的操作，而能充分利用动物以外的能源与各种资讯来进行生产工作，即称为工业自动化生产，而使工业能进行自动生产之过程称为工业自动化。 Industrial automation means that various parameters in industrial production are used for control purposes to achieve various process control. In the entire industrial production, manpower operations are minimized, and energy and various information other than animals can be fully utilized to carry out production work, that is, It is called industrial automation production, and the process that enables the industry to carry out automatic production is called industrial automation.
电源作为工业自动化必不可少的供电单元，对其运行进行监控尤为重要，一旦电源发生故障，对工业生产可能带来不可挽回的损失，现在的企业越来越多的使用智能电源，能够自动调节输出以及自动对电源进行各种保护，而如何在安全稳定的基础上减小其制造成本，一直是行业内研究的重点。 As an indispensable power supply unit for industrial automation, the power supply is particularly important to monitor its operation. Once the power supply fails, it may cause irreparable losses to industrial production. Nowadays, more and more enterprises use intelligent power supplies, which can automatically adjust Output and various protections for the power supply automatically, and how to reduce its manufacturing cost on a safe and stable basis has always been the focus of research in the industry.
实用新型内容 Utility model content
本实用新型的目的在于提供一种工业自动化生产监控系统，以解决上述背景技术中提出的问题。 The purpose of this utility model is to provide an industrial automation production monitoring system to solve the problems raised in the above-mentioned background technology.
为实现上述目的，本实用新型提供如下技术方案： In order to achieve the above object, the utility model provides the following technical solutions:
一种工业自动化生产监控系统，包括防雷电路、EMI滤波电路、整流滤波电路、功率变换电路、PWM控制器和PFC电路，所述防雷电路一端连接输入电压Vi，防雷电路另一端通过EMI滤波电路连接整流滤波电路，整流滤波到了还分别连接输入过欠压保护电路、PFC电路和功率变换电路，功率变换电路还分别连接PWM控制器、整流滤波模块和PFC电路，PFC电路还连接输入过欠压保护电路，所述PWM控制器还连接输入过欠压保护电路、限流电路、输出过压保护电路、稳压电路和短路保护电路，所述整流滤波模块还分别连接输出端Vo、取样电路、短路保护电路和输出端过压保护电路，取样电路还连接稳压电路；所述输入过欠压保护电路包括芯片U1、电阻R1、电容C1和二极管D1，电阻R1一端分别连接整流滤波电路和电阻R7，电阻R1另一端分别连接接地电阻R2、接地电容C1和电阻R3，电阻R3另一端分别连接接地电阻R4和芯片U1引脚3，芯片U1引脚8连接电源VCC，芯片U1引脚2连接电阻R5，电阻R5另一端连接电阻R11并接地，电阻R11另一端连接芯片U1引脚5，芯片U1引脚6分别连接接地电阻R10和电阻R9，电阻R9另一端分别连接接地电容C2、接地电阻R8和电阻R7另一端，芯片U1引脚1连接二极管D1正极，二极管D1负极分别连接PFC电路、PWM控制器和二极管D2负极，二极管D2正极连接芯片U1引脚7；所述芯片U1采用LM2904。 An industrial automatic production monitoring system, including a lightning protection circuit, an EMI filter circuit, a rectification filter circuit, a power conversion circuit, a PWM controller and a PFC circuit, one end of the lightning protection circuit is connected to the input voltage Vi, and the other end of the lightning protection circuit is connected to the EMI The filter circuit is connected to the rectification filter circuit, and the rectification filter is also connected to the input overvoltage and undervoltage protection circuit, the PFC circuit and the power conversion circuit. The power conversion circuit is also connected to the PWM controller, the rectification filter module and the PFC circuit. An undervoltage protection circuit, the PWM controller is also connected to an input overvoltage and undervoltage protection circuit, a current limiting circuit, an output overvoltage protection circuit, a voltage stabilizing circuit and a short circuit protection circuit, and the rectification and filtering module is also connected to the output terminal Vo, sampling circuit, a short circuit protection circuit and an output overvoltage protection circuit, the sampling circuit is also connected to a voltage stabilizing circuit; the input overvoltage and undervoltage protection circuit includes a chip U1, a resistor R1, a capacitor C1 and a diode D1, and one end of the resistor R1 is respectively connected to a rectification filter circuit and resistor R7, the other end of resistor R1 is connected to grounding resistor R2, grounding capacitor C1 and resistor R3 respectively, the other end of resistor R3 is connected to grounding resistor R4 and pin 3 of chip U1, pin 8 of chip U1 is connected to power supply VCC, and pin 8 of chip U1 2 Connect resistor R5, the other end of resistor R5 is connected to resistor R11 and grounded, the other end of resistor R11 is connected to pin 5 of chip U1, pin 6 of chip U1 is respectively connected to grounding resistor R10 and resistor R9, and the other end of resistor R9 is connected to grounding capacitor C2, The grounding resistor R8 and the other end of the resistor R7, the pin 1 of the chip U1 is connected to the anode of the diode D1, the cathode of the diode D1 is respectively connected to the PFC circuit, the PWM controller and the cathode of the diode D2, and the anode of the diode D2 is connected to the pin 7 of the chip U1; the chip U1 adopts LM2904.
作为本实用新型进一步的方案：所述功率变换电路采用UC3846控制。 As a further solution of the utility model: the power conversion circuit is controlled by UC3846.
作为本实用新型再进一步的方案：所述PFC电路采用UC3845作为PFC控制器。 As a further solution of the utility model: the PFC circuit adopts UC3845 as the PFC controller.
与现有技术相比，本实用新型的有益效果是：本实用新型工业自动化生产监控系统通过对电源系统进行重新设计，能够自动监控电源的运行状态，并自动进行输出调节，系统结构简单，成本低，体积小，适用范围广。 Compared with the prior art, the beneficial effect of the utility model is that the industrial automatic production monitoring system of the utility model can automatically monitor the running state of the power supply and automatically adjust the output by redesigning the power supply system, the system structure is simple, and the cost is low. Low, small size, wide application range.
附图说明 Description of drawings
图1为工业自动化生产监控系统的电路原理框图； Fig. 1 is the circuit principle block diagram of industrial automatic production monitoring system;
图2为工业自动化生产监控系统中输入过欠压保护电路的电路图。 Fig. 2 is a circuit diagram of an input overvoltage and undervoltage protection circuit in an industrial automation production monitoring system.
具体实施方式 detailed description
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。 The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
请参阅图1～2，本实用新型实施例中，一种工业自动化生产监控系统，包括防雷电路、EMI滤波电路、整流滤波电路、功率变换电路、PWM控制器和PFC电路，所述防雷电路一端连接输入电压Vi，防雷电路另一端通过EMI滤波电路连接整流滤波电路，整流滤波到了还分别连接输入过欠压保护电路、PFC电路和功率变换电路，功率变换电路还分别连接PWM控制器、整流滤波模块和PFC电路，PFC电路还连接输入过欠压保护电路，所述PWM控制器还连接输入过欠压保护电路、限流电路、输出过压保护电路、稳压电路和短路保护电路，所述整流滤波模块还分别连接输出端Vo、取样电路、短路保护电路和输出端过压保护电路，取样电路还连接稳压电路；所述输入过欠压保护电路包括芯片U1、电阻R1、电容C1和二极管D1，电阻R1一端分别连接整流滤波电路和电阻R7，电阻R1另一端分别连接接地电阻R2、接地电容C1和电阻R3，电阻R3另一端分别连接接地电阻R4和芯片U1引脚3，芯片U1引脚8连接电源VCC，芯片U1引脚2连接电阻R5，电阻R5另一端连接电阻R11并接地，电阻R11另一端连接芯片U1引脚5，芯片U1引脚6分别连接接地电阻R10和电阻R9，电阻R9另一端分别连接接地电容C2、接地电阻R8和电阻R7另一端，芯片U1引脚1连接二极管D1正极，二极管D1负极分别连接PFC电路、PWM控制器和二极管D2负极，二极管D2正极连接芯片U1引脚7；所述芯片U1采用LM2904；功率变换电路采用UC3846控制；PFC电路采用UC3845作为PFC控制器。 Please refer to Fig. 1-2, in the embodiment of the utility model, a kind of industrial automation production monitoring system, comprises lightning protection circuit, EMI filter circuit, rectification filter circuit, power conversion circuit, PWM controller and PFC circuit, described lightning protection One end of the circuit is connected to the input voltage Vi, and the other end of the lightning protection circuit is connected to the rectification filter circuit through the EMI filter circuit. When the rectification filter arrives, it is also connected to the input overvoltage and undervoltage protection circuit, PFC circuit and power conversion circuit. The power conversion circuit is also connected to the PWM controller. , a rectifier filter module and a PFC circuit, the PFC circuit is also connected to an input overvoltage and undervoltage protection circuit, and the PWM controller is also connected to an input overvoltage and undervoltage protection circuit, a current limiting circuit, an output overvoltage protection circuit, a voltage stabilizing circuit and a short circuit protection circuit , the rectification and filtering module is also respectively connected to the output terminal Vo, a sampling circuit, a short circuit protection circuit and an output overvoltage protection circuit, and the sampling circuit is also connected to a voltage stabilizing circuit; the input overvoltage and undervoltage protection circuit includes a chip U1, a resistor R1, Capacitor C1 and diode D1, one end of resistor R1 is respectively connected to the rectifier filter circuit and resistor R7, the other end of resistor R1 is connected to grounding resistor R2, grounding capacitor C1 and resistor R3, and the other end of resistor R3 is connected to grounding resistor R4 and pin 3 of chip U1 , chip U1 pin 8 is connected to power supply VCC, chip U1 pin 2 is connected to resistor R5, the other end of resistor R5 is connected to resistor R11 and grounded, the other end of resistor R11 is connected to chip U1 pin 5, chip U1 pin 6 is respectively connected to grounding resistor R10 and resistor R9, the other end of resistor R9 is respectively connected to grounding capacitor C2, grounding resistor R8 and the other end of resistor R7, pin 1 of chip U1 is connected to the positive pole of diode D1, and the negative pole of diode D1 is respectively connected to the PFC circuit, PWM controller and the negative pole of diode D2, and the diode The positive pole of D2 is connected to the pin 7 of the chip U1; the chip U1 uses LM2904; the power conversion circuit is controlled by UC3846; the PFC circuit uses UC3845 as the PFC controller.
本实用新型的工作原理是：请参阅图1~2，防雷电路用于防止电路被雷击而造成损坏，EMI滤波电路输入电源的电磁噪声及杂波信号进行抑制，防止对电源干扰，同时也防止电源本身产生的高频杂波对电网干扰，输入过欠压保护电路对PFC电路和PWM控制器进行电压保护，输入电压Vi经EMI滤波电路、整流滤波电路后送入功率变换电路，功率变换电路采用MOS管进行控制，PWM控制器通过对输出端Vo进行采样，输出PWM调制波对功率变换电路进行控制，从而保证系统输出端Vo电压稳定。 The working principle of the utility model is: please refer to Figures 1-2, the lightning protection circuit is used to prevent the circuit from being damaged by lightning, and the electromagnetic noise and clutter signals of the input power supply of the EMI filter circuit are suppressed to prevent interference with the power supply, and at the same time To prevent the high-frequency clutter generated by the power supply itself from interfering with the power grid, the input overvoltage and undervoltage protection circuit performs voltage protection on the PFC circuit and PWM controller. The input voltage Vi is sent to the power conversion circuit after passing through the EMI filter circuit and rectification filter circuit. The circuit is controlled by a MOS tube, and the PWM controller controls the power conversion circuit by sampling the output Vo, and outputs a PWM modulation wave, so as to ensure the voltage stability of the system output Vo.
输入过欠压保护电路从整流滤波电路取样的电压分为两路，一路经R1、R2、R3、R4分压后输入U1引脚3，如取样电压高于U1引脚2基准电压，U1引脚1输出高电平去控制PFC电路和PWM控制器，使其关断，输出端Vo无输出，另一路经R7、R8、R9、R10分压后输入U1引脚6，如取样电压低于U1引脚5基准电压，U1引脚7输出高电平去控制PFC电路和PWM控制器，使其关断，输出端Vo无输出。 The input overvoltage and undervoltage protection circuit divides the voltage sampled from the rectifier and filter circuit into two circuits. One circuit is divided by R1, R2, R3 and R4 and then input to pin 3 of U1. If the sampling voltage is higher than the reference voltage of pin 2 of U1, U1 leads Pin 1 outputs a high level to control the PFC circuit and PWM controller to turn them off, the output terminal Vo has no output, and the other channel is divided by R7, R8, R9, and R10 to input U1 pin 6. U1 pin 5 reference voltage, U1 pin 7 outputs a high level to control the PFC circuit and PWM controller to turn them off, and the output terminal Vo has no output.
对于本领域技术人员而言，显然本实用新型不限于上述示范性实施例的细节，而且在不背离本实用新型的精神或基本特征的情况下，能够以其他的具体形式实现本实用新型。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本实用新型的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本实用新型内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。 It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to be included in the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。 In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107911013A (en) * | 2017-12-11 | 2018-04-13 | 成都互聚科技有限公司 | A kind of regulated power supply system with multi-protective function |
| CN107911037A (en) * | 2017-12-11 | 2018-04-13 | 成都互聚科技有限公司 | A kind of strong switching power supply of job stability |
| CN108196201A (en) * | 2018-01-29 | 2018-06-22 | 新日(无锡)发展有限公司 | A kind of accumulator cell charging and discharging on-line monitoring system |
| CN109104089A (en) * | 2018-10-19 | 2018-12-28 | 天津英田视讯科技有限公司 | A kind of spherical shooting electromechanical source |
| CN110535346A (en) * | 2019-04-29 | 2019-12-03 | 天长市富安电子有限公司 | A kind of industrial module power supply substituting Industrial Frequency Transformer |
-
2015
- 2015-12-02 CN CN201520983758.1U patent/CN205319797U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107911013A (en) * | 2017-12-11 | 2018-04-13 | 成都互聚科技有限公司 | A kind of regulated power supply system with multi-protective function |
| CN107911037A (en) * | 2017-12-11 | 2018-04-13 | 成都互聚科技有限公司 | A kind of strong switching power supply of job stability |
| CN108196201A (en) * | 2018-01-29 | 2018-06-22 | 新日(无锡)发展有限公司 | A kind of accumulator cell charging and discharging on-line monitoring system |
| CN109104089A (en) * | 2018-10-19 | 2018-12-28 | 天津英田视讯科技有限公司 | A kind of spherical shooting electromechanical source |
| CN110535346A (en) * | 2019-04-29 | 2019-12-03 | 天长市富安电子有限公司 | A kind of industrial module power supply substituting Industrial Frequency Transformer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160615 Termination date: 20161202 |