CN204928348U - Embedded dual supply automatic transfer equipment of protocol conversion ware - Google Patents

Embedded dual supply automatic transfer equipment of protocol conversion ware Download PDF

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Publication number
CN204928348U
CN204928348U CN201520605616.1U CN201520605616U CN204928348U CN 204928348 U CN204928348 U CN 204928348U CN 201520605616 U CN201520605616 U CN 201520605616U CN 204928348 U CN204928348 U CN 204928348U
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unit
power supply
rectification
pwm controller
power
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CN201520605616.1U
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冯凯
杨峰军
雷文才
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Zhengzhou Lifan Electric Co Ltd
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Zhengzhou Lifan Electric Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Abstract

The utility model relates to an embedded dual supply automatic transfer equipment of protocol conversion ware, it includes lightning protection unit and PWM controller, lightning protection unit is connected with power and EMI electromagnetic interference wave filter, the EMI electromagnetic interference wave filter is connected with the rectification, filtering unit A, the rectification, filtering unit A is connected with and inputed the undervoltage protection unit, PFC unit and power conversion unit, power conversion unit is connected with the rectification, filtering unit B, the rectification, filtering unit B is connected with output unit, output unit is connected with sampling unit, sampling unit is connected with steady voltage loop unit, steady voltage loop unit with the PWM controller connect, PWM controller and PFC unit are connected with power conversion unit respectively, reasonable in design has, connect simple, operation steadily, the reliability is high, the practicality is strong, prevent external disturbance ability reinforce, two switching of power is timely, accurate, advantage that work efficiency is high.

Description

A kind of protocol converter Embedded Double power supply automatic switching apparatus
Technical field
The utility model belongs to electrical equipment technical field, is specifically related to a kind of automatic power switching device, particularly relates to a kind of protocol converter Embedded Double power supply automatic switching apparatus.
Background technology
At present, the protocol converter of power industry main flow is all the single power supply adopted, even if dual power supply, is also install UPS uninterrupted power supply additional in front end.Former power volume is large, takes up room than height, and wiring and safety measure all will be handled properly, and coefficient of safety is not high yet.Along with the develop rapidly of power industry, the power switching arrangement that society's aspect occurs becomes increasingly abundant, and each place Utilities Electric Co. is according to the growth requirement of this area, can to the requirement proposing the various switching time difference switching time of equipment, under the prerequisite not increasing extra cost, for tackling the sudden requirement of user, the stabilization function of extension facility, and the later maintenance cost of equipment can be reduced to greatest extent, overcome existing protocol converter Embedded Double electrical source exchange function, and switching time is long, switch and not in placely cause communicating interrupt, affect the problem of security of operation, make the optimal solution be switching under present condition that equipment is stable.Therefore, design is a kind of reasonable in design, connects simple, stable performance, reliability is high, resist the interference such as external electromagnetic, disturbance and lightning protection, and duplicate supply switches in time, accurately, the protocol converter Embedded Double power supply automatic switching apparatus that operating efficiency is high has very important significance and practical value.
Utility model content
The purpose of this utility model is defect in order to overcome prior art and deficiency, there is provided a kind of easy for installation, reasonable in design, connect simple, stable performance, reliability is high, resist the interference such as external electromagnetic, disturbance and lightning protection, duplicate supply switches timely, accurate, the protocol converter Embedded Double power supply automatic switching apparatus that operating efficiency is high.
The purpose of this utility model is achieved in that a kind of protocol converter Embedded Double power supply automatic switching apparatus, it comprises lightning protection unit and PWM controller, described lightning protection unit is connected with power supply and EMI Electromagnetic interference filter, described EMI Electromagnetic interference filter is connected with rectification, filter unit A, described rectification, filter unit is connected with input overvoltage/undervoltage protected location, PFC unit and power conversion unit, described power conversion unit is connected with rectification, filter unit B, described rectification, filter unit B is connected with output unit, described output unit is connected with sampling unit, described sampling unit is connected with voltage stabilizing loop unit, described voltage stabilizing loop unit is connected with described PWM controller, described PWM controller is connected with power conversion unit respectively with PFC unit.
The double loop power transmission mode of described power acquisition AC/DC universal is powered.
The double loop transmission of electricity power supply of described AC/DC universal comprises first via power supply and the second road power supply, and described first via power supply is for normally to use power supply, and described second unit is stand-by unit.
Described lightning protection unit, EMI Electromagnetic interference filter and rectification, filter unit A form input circuit.
Described output unit is also connected with short-circuit protection unit, current-limiting protection unit and goes out defeated Overvoltage protecting unit.
Described PWM controller is used for regulating the voltage inputted, and is connected, realizes the switching of duplicate supply with power conversion unit.
The beneficial effect that the utility model can reach: input circuit of the present utility model regurgitates road containing electromagnetism interference loop and lightning protection, makes equipment by the interference of external electromagnetic, disturbance and thunderbolt, guarantees that stable equipment operation is reliable; The power supply of input is carried out to the switching of duplicate supply, can not only dual power supply, and can internal electric source output switching, level equalization after switching, through Inspection, make equipment operationally more stable, substantially increase the reliability of equipment operation and communication, thus ensure that the safe and reliable and stable of functions of the equipments; The utility model designs according to the successful experience summed up in practical engineering application, therefore has very strong practicality; Adopt the double loop mode of AC/DC universal, the equipment that achieves freely switches and alternately, makes equipment be operated in the most stable state in power supply; Implementation method is simple, in the equipment that may extend into other industry and supervisory control system, has very wide promotional value.The utility model have reasonable in design, connect simple, stable, reliability is high, practical, anti-external interference ability is strong, duplicate supply switches in time, accurately, the advantage that operating efficiency is high.
Accompanying drawing explanation
Fig. 1 is the circuit compositional block diagram of a kind of protocol converter Embedded Double of the utility model power supply automatic switching apparatus.
Fig. 2 is the circuit theory diagrams () of a kind of protocol converter Embedded Double of the utility model power supply automatic switching apparatus.
Fig. 3 is the circuit theory diagrams (two) of a kind of protocol converter Embedded Double of the utility model power supply automatic switching apparatus.
In figure: 1, input circuit, 2, power supply sampling circuit, 3, power factor correction and transformation loop, 4, sampling measure loop road, 5, two switching and sampling circuit.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
Embodiment 1
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of protocol converter Embedded Double power supply automatic switching apparatus, it comprises lightning protection unit and PWM controller, described lightning protection unit is connected with power supply and EMI Electromagnetic interference filter, described EMI Electromagnetic interference filter is connected with rectification, filter unit A, described rectification, filter unit is connected with input overvoltage/undervoltage protected location, PFC unit and power conversion unit, described power conversion unit is connected with rectification, filter unit B, described rectification, filter unit B is connected with output unit, described output unit is connected with sampling unit, described sampling unit is connected with voltage stabilizing loop unit, described voltage stabilizing loop unit is connected with described PWM controller, described PWM controller is connected with power conversion unit respectively with PFC unit.
A kind of protocol converter Embedded Double of the utility model power supply automatic switching apparatus is by input circuit, voltage sample loop, power factor correction and transformation loop, sampling monitoring loop and the circuit composition such as two switching and sampling circuit, power supply is inputted by input circuit, through lightning protection unit in input circuit, Electromagnetic interference filter and rectification A, after the process of filter unit, output to power factor correction and transformation loop, through PFC unit in power factor correction and transformation loop, the process of input overvoltage/undervoltage protected location and PWM controller and rectification, the secondary rectification of filtering B exports, and feeds back to after power factor correction and transformation loop carry out secondary adjustment, enter into sampling measure loop, in the process that sampling measure loop exports, in conjunction with short-circuit protection unit by the detection in voltage sample loop, the process of current-limiting protection unit and output overvoltage unit, then carries out switching by two switching and sampling circuit and exports, have connection, stable performance, speed is fast, duplicate supply switches promptly and accurately, not by the impact of extraneous thunderbolt electromagnetic interference, reliability height is good, the advantage that operating efficiency is high.
Embodiment 2
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of protocol converter Embedded Double power supply automatic switching apparatus, it comprises lightning protection unit and PWM controller, described lightning protection unit is connected with power supply and EMI Electromagnetic interference filter, described EMI Electromagnetic interference filter is connected with rectification, filter unit A, described rectification, filter unit is connected with input overvoltage/undervoltage protected location, PFC unit and power conversion unit, described power conversion unit is connected with rectification, filter unit B, described rectification, filter unit B is connected with output unit, described output unit is connected with sampling unit, described sampling unit is connected with voltage stabilizing loop unit, described voltage stabilizing loop unit is connected with described PWM controller, described PWM controller is connected with power conversion unit respectively with PFC unit.
The double loop power transmission mode of described power acquisition AC/DC universal is powered; The double loop transmission of electricity power supply of described AC/DC universal comprises first via power supply and the second road power supply, and described first via power supply is for normally to use power supply, and described second unit is stand-by unit; Described lightning protection unit, EMI Electromagnetic interference filter and rectification, filter unit A form input circuit; Described output unit is also connected with short-circuit protection unit, current-limiting protection unit and goes out defeated Overvoltage protecting unit; Described PWM controller is used for regulating the voltage inputted, and is connected, realizes the switching of duplicate supply with power conversion unit.
The input circuit of protocol converter Embedded Double power supply automatic switching apparatus of the present utility model regurgitates road containing electromagnetism interference loop and lightning protection, makes equipment by the interference of external electromagnetic, disturbance and thunderbolt, guarantees that stable equipment operation is reliable; PWM controller is used for regulating the voltage inputted, be connected with power conversion unit, realize the switching of duplicate supply, the power supply of input is carried out to the switching of duplicate supply, can not only dual power supply, and can internal electric source output switching, level equalization after switching, through Inspection, make equipment operationally more stable, substantially increase the reliability of equipment operation and communication, PWM controller has the advantage that control is simple, flexible and dynamic response is good, ensure that the safe and reliable and stable of functions of the equipments; Adopt the double loop mode of AC/DC universal, the equipment that achieves freely switches and alternately, makes equipment be operated in the most stable state in power supply; Implementation method is simple, in the equipment that may extend into other industry and supervisory control system, has very wide promotional value and very strong practicality.The utility model have reasonable in design, connect simple, stable, reliability is high, practical, anti-external interference ability is strong, duplicate supply switches in time, accurately, the advantage that operating efficiency is high.

Claims (6)

1. a protocol converter Embedded Double power supply automatic switching apparatus, it comprises lightning protection unit and PWM controller, it is characterized in that: described lightning protection unit is connected with power supply and EMI Electromagnetic interference filter, described EMI Electromagnetic interference filter is connected with rectification, filter unit A, described rectification, filter unit A is connected with input overvoltage/undervoltage protected location, PFC unit and power conversion unit, described power conversion unit is connected with rectification, filter unit B, described rectification, filter unit B is connected with output unit, described output unit is connected with sampling unit, described sampling unit is connected with voltage stabilizing loop unit, described voltage stabilizing loop unit is connected with described PWM controller, described PWM controller is connected with power conversion unit respectively with PFC unit.
2. a kind of protocol converter Embedded Double power supply automatic switching apparatus according to claim 1, is characterized in that: the double loop power transmission mode of described power acquisition AC/DC universal is powered.
3. a kind of protocol converter Embedded Double power supply automatic switching apparatus according to claim 2, it is characterized in that: the double loop transmission of electricity power supply of described AC/DC universal comprises first via power supply and the second road power supply, described first via power supply is for normally to use power supply, and described second unit is stand-by unit.
4. a kind of protocol converter Embedded Double power supply automatic switching apparatus according to claim 1, is characterized in that: described lightning protection unit, EMI Electromagnetic interference filter and rectification, filter unit A form input circuit.
5. a kind of protocol converter Embedded Double power supply automatic switching apparatus according to claim 1, is characterized in that: described output unit is also connected with short-circuit protection unit, current-limiting protection unit and goes out defeated Overvoltage protecting unit.
6. a kind of protocol converter Embedded Double power supply automatic switching apparatus according to claim 1, is characterized in that: described PWM controller is used for regulating the voltage inputted, and is connected, realizes the switching of duplicate supply with power conversion unit.
CN201520605616.1U 2015-08-13 2015-08-13 Embedded dual supply automatic transfer equipment of protocol conversion ware Active CN204928348U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110401261A (en) * 2019-07-22 2019-11-01 武汉恒泰通技术有限公司 A kind of integrated power supply improves the uninterrupted power supply system of transfer efficiency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110401261A (en) * 2019-07-22 2019-11-01 武汉恒泰通技术有限公司 A kind of integrated power supply improves the uninterrupted power supply system of transfer efficiency

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