CN205319797U - Industrial automation produces monitored control system - Google Patents
Industrial automation produces monitored control system Download PDFInfo
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- CN205319797U CN205319797U CN201520983758.1U CN201520983758U CN205319797U CN 205319797 U CN205319797 U CN 205319797U CN 201520983758 U CN201520983758 U CN 201520983758U CN 205319797 U CN205319797 U CN 205319797U
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Abstract
The utility model discloses an industrial automation produces monitored control system, including lightning protection circuit, EMI filter circuit, rectification filter circuit, power conversion circuit, PWM controller and PFC circuit, input voltage vi is connected to lightning protection circuit one end, and the lightning protection circuit other end passes through EMI filter circuit and connects rectification filter circuit, and the rectifying and wave -filtering is to still connecting respectively and inputed undervoltage protection circuit, PFC circuit and power conversion circuit, and PWM controller, rectifier module and PFC circuit are still connected respectively to the power conversion circuit, and the PFC circuit is still connected and was inputed the undervoltage protection circuit, the PWM controller is still connected and was inputed undervoltage protection circuit, current -limiting circuit, output overvoltage crowbar, voltage stabilizing circuit and short -circuit protection circuit. The utility model discloses industrial automation produces monitored control system can monitor the running state of power through carry out redesign to electrical power generating system automatically to automatically, carry out the output control, system simple structure, with low costs, small, application scope is wide.
Description
Technical field
The utility model relates to a kind of monitoring system, specifically a kind of industrial automatic production monitoring system.
Background technology
Industrial automation is exactly that various parameters in industrial production are for controlling object, realize various process control, in whole industrial production, reduce the operation of manpower as far as possible, and the energy and the various information that can make full use of beyond animal are carried out production work, be called industrial automation and produce, and the process that industry can be produced is automatically called industrial automation.
Power supply is as the requisite power supply unit of industrial automation; its operation is monitored particularly important; once power supply breaks down; may bring irremediable loss to industrial production; present enterprise is more and more used intelligent power; automatically regulation output and automatically power supply is carried out to various protections, and how on the basis of safety and stability, to reduce its manufacturing cost, be the emphasis of research in industry always.
Utility model content
The purpose of this utility model is to provide a kind of industrial automatic production monitoring system, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of industrial automatic production monitoring system, comprise lightning protection circuit, EMI filter circuit, current rectifying and wave filtering circuit, power conversion circuit, PWM controller and pfc circuit, described lightning protection circuit one end connects input voltage Vi, the lightning protection circuit other end connects current rectifying and wave filtering circuit by EMI filter circuit, rectifying and wave-filtering has arrived and has also connected respectively input over under-voltage protection circuit, pfc circuit and power conversion circuit, power conversion circuit also connects respectively PWM controller, rectification filtering module and pfc circuit, pfc circuit also connects input over under-voltage protection circuit, described PWM controller also connects input over under-voltage protection circuit, current-limiting circuit, output overvoltage protection circuit, mu balanced circuit and short-circuit protection circuit, described rectification filtering module also connects respectively output end vo, sample circuit, short-circuit protection circuit and output overvoltage crowbar, sample circuit also connects mu balanced circuit, described input over under-voltage protection circuit comprises chip U1, resistance R 1, capacitor C 1 and diode D1, resistance R 1 one end connects respectively current rectifying and wave filtering circuit and resistance R 7, resistance R 1 other end connects respectively earth resistance R2, ground capacity C1 and resistance R 3, resistance R 3 other ends connect respectively earth resistance R4 and chip U1 pin 3, chip U1 pin 8 connects power supply VCC, chip U1 pin 2 contact resistance R5, resistance R 5 other end contact resistance R11 ground connection, resistance R 11 other ends connect chip U1 pin 5, chip U1 pin 6 connects respectively earth resistance R10 and resistance R 9, resistance R 9 other ends connect respectively ground capacity C2, earth resistance R8 and resistance R 7 other ends, chip U1 pin 1 connects diode D1 positive pole, diode D1 negative pole connects respectively pfc circuit, PWM controller and diode D2 negative pole, the anodal chip U1 pin 7 that connects of diode D2, described chip U1 adopts LM2904.
As further program of the utility model: described power conversion circuit adopts UC3846 to control.
As further scheme of the utility model: described pfc circuit adopts UC3845 as pfc controller.
Compared with prior art, the beneficial effects of the utility model are: the utility model industrial automatic production monitoring system is by redesigning power-supply system, running status that can automatic monitoring power supply, and automatically export adjusting, system architecture is simple, cost is low, and volume is little, applied widely.
Brief description of the drawings
Fig. 1 is the schematic block circuit diagram of industrial automatic production monitoring system;
Fig. 2 is the circuit diagram of inputting over under-voltage protection circuit in industrial automatic production monitoring system.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment. Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1～2, in the utility model embodiment, a kind of industrial automatic production monitoring system, comprise lightning protection circuit, EMI filter circuit, current rectifying and wave filtering circuit, power conversion circuit, PWM controller and pfc circuit, described lightning protection circuit one end connects input voltage Vi, the lightning protection circuit other end connects current rectifying and wave filtering circuit by EMI filter circuit, rectifying and wave-filtering has arrived and has also connected respectively input over under-voltage protection circuit, pfc circuit and power conversion circuit, power conversion circuit also connects respectively PWM controller, rectification filtering module and pfc circuit, pfc circuit also connects input over under-voltage protection circuit, described PWM controller also connects input over under-voltage protection circuit, current-limiting circuit, output overvoltage protection circuit, mu balanced circuit and short-circuit protection circuit, described rectification filtering module also connects respectively output end vo, sample circuit, short-circuit protection circuit and output overvoltage crowbar, sample circuit also connects mu balanced circuit, described input over under-voltage protection circuit comprises chip U1, resistance R 1, capacitor C 1 and diode D1, resistance R 1 one end connects respectively current rectifying and wave filtering circuit and resistance R 7, resistance R 1 other end connects respectively earth resistance R2, ground capacity C1 and resistance R 3, resistance R 3 other ends connect respectively earth resistance R4 and chip U1 pin 3, chip U1 pin 8 connects power supply VCC, chip U1 pin 2 contact resistance R5, resistance R 5 other end contact resistance R11 ground connection, resistance R 11 other ends connect chip U1 pin 5, chip U1 pin 6 connects respectively earth resistance R10 and resistance R 9, resistance R 9 other ends connect respectively ground capacity C2, earth resistance R8 and resistance R 7 other ends, chip U1 pin 1 connects diode D1 positive pole, diode D1 negative pole connects respectively pfc circuit, PWM controller and diode D2 negative pole, the anodal chip U1 pin 7 that connects of diode D2, described chip U1 adopts LM2904, power conversion circuit adopts UC3846 to control, pfc circuit adopts UC3845 as pfc controller.
Operation principle of the present utility model is: refer to Fig. 1 ~ 2, lightning protection circuit is used for preventing that circuit is struck by lightning and causes damage, electromagnetic noise and the noise signal of EMI filter circuit input power suppress, prevent power supply to disturb, also prevent that the high frequency clutter that power supply itself produces from disturbing electrical network simultaneously, input over under-voltage protection circuit carries out voltage protection to pfc circuit and PWM controller, input voltage Vi is through EMI filter circuit, after current rectifying and wave filtering circuit, send into power conversion circuit, power conversion circuit adopts metal-oxide-semiconductor to control, PWM controller is by sampling to output end vo, output PWM modulating wave is controlled power conversion circuit, thereby the system of guarantee output end vo voltage stabilization.
Input over under-voltage protection circuit is divided into two-way from the voltage of current rectifying and wave filtering circuit sampling; U1 pin 3 is inputted in one tunnel after R1, R2, R3, R4 dividing potential drop; if sampling voltage is higher than U1 pin 2 reference voltages; U1 pin 1 is exported high level and is removed to control pfc circuit and PWM controller; make its shutoff; output end vo no-output; U1 pin 6 is inputted in another road after R7, R8, R9, R10 dividing potential drop; if sampling voltage is lower than U1 pin 5 reference voltages; U1 pin 7 is exported high level and is removed to control pfc circuit and PWM controller; it is turn-offed, output end vo no-output.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form. Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model. Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (3)
1. an industrial automatic production monitoring system, comprise lightning protection circuit, EMI filter circuit, current rectifying and wave filtering circuit, power conversion circuit, PWM controller and pfc circuit, it is characterized in that, described lightning protection circuit one end connects input voltage Vi, the lightning protection circuit other end connects current rectifying and wave filtering circuit by EMI filter circuit, rectifying and wave-filtering has arrived and has also connected respectively input over under-voltage protection circuit, pfc circuit and power conversion circuit, power conversion circuit also connects respectively PWM controller, rectification filtering module and pfc circuit, pfc circuit also connects input over under-voltage protection circuit, described PWM controller also connects input over under-voltage protection circuit, current-limiting circuit, output overvoltage protection circuit, mu balanced circuit and short-circuit protection circuit, described rectification filtering module also connects respectively output end vo, sample circuit, short-circuit protection circuit and output overvoltage crowbar, sample circuit also connects mu balanced circuit, described input over under-voltage protection circuit comprises chip U1, resistance R 1, capacitor C 1 and diode D1, resistance R 1 one end connects respectively current rectifying and wave filtering circuit and resistance R 7, resistance R 1 other end connects respectively earth resistance R2, ground capacity C1 and resistance R 3, resistance R 3 other ends connect respectively earth resistance R4 and chip U1 pin 3, chip U1 pin 8 connects power supply VCC, chip U1 pin 2 contact resistance R5, resistance R 5 other end contact resistance R11 ground connection, resistance R 11 other ends connect chip U1 pin 5, chip U1 pin 6 connects respectively earth resistance R10 and resistance R 9, resistance R 9 other ends connect respectively ground capacity C2, earth resistance R8 and resistance R 7 other ends, chip U1 pin 1 connects diode D1 positive pole, diode D1 negative pole connects respectively pfc circuit, PWM controller and diode D2 negative pole, the anodal chip U1 pin 7 that connects of diode D2, described chip U1 adopts LM2904.
2. industrial automatic production monitoring system according to claim 1, is characterized in that, described power conversion circuit adopts UC3846 to control.
3. industrial automatic production monitoring system according to claim 1, is characterized in that, described pfc circuit adopts UC3845 as pfc controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520983758.1U CN205319797U (en) | 2015-12-02 | 2015-12-02 | Industrial automation produces monitored control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520983758.1U CN205319797U (en) | 2015-12-02 | 2015-12-02 | Industrial automation produces monitored control system |
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| Publication Number | Publication Date |
|---|---|
| CN205319797U true CN205319797U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520983758.1U Expired - Fee Related CN205319797U (en) | 2015-12-02 | 2015-12-02 | Industrial automation produces monitored control system |
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| CN (1) | CN205319797U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
|---|---|---|---|---|
| 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 |
| 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 |
| 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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| Date | Code | Title | Description |
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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 |
Granted publication date: 20160615 Termination date: 20161202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |