CN203416183U - Distributed electric power supply system - Google Patents

Distributed electric power supply system Download PDF

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Publication number
CN203416183U
CN203416183U CN201320515258.6U CN201320515258U CN203416183U CN 203416183 U CN203416183 U CN 203416183U CN 201320515258 U CN201320515258 U CN 201320515258U CN 203416183 U CN203416183 U CN 203416183U
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CN
China
Prior art keywords
circuit
power supply
supply system
control circuit
source power
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320515258.6U
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Chinese (zh)
Inventor
虞浙益
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ZHEJIANG CENTURY KANSHEN ELECTRIC Co Ltd
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ZHEJIANG CENTURY KANSHEN ELECTRIC Co Ltd
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Priority to CN201320515258.6U priority Critical patent/CN203416183U/en
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Publication of CN203416183U publication Critical patent/CN203416183U/en
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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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

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  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The utility model discloses a distributed electric power supply system, and aims to solve a technical problem of providing a distributed electric power supply system. In order to solve the problem, the adopted technical scheme is that the distributed electric power supply system comprises a main circuit and a control circuit, wherein the main circuit is composed of an EMC input filtering circuit, a primary side detection control circuit, a soft start circuit, a rectification and filtering circuit and a push-pull conversion circuit, and the control circuit is composed of a PWM control circuit and a singlechip control circuit. The distributed electric power supply system has the beneficial effects of adoption of a whole-process soft-switching technology, high efficiency, low no-load power consumption, small size, and ability of being installed in a switch cabinet. The power loss of the module in a no-load or light-load condition is only 5W, the inversion efficiency reaches up to 96%, and the power loss is only 4%.

Description

A kind of distributed electrical source power supply system
Technical field
The utility model relates to provides a kind of power supply system of DC source, is mainly used in electric power complete set of equipments.
Background technology
Now be directed to the DC power supply that electric power system provides, the cabinet style DC power supply that the capacity that mostly is is larger, for more switchette station, ring main unit, box-type substation and single body user terminal, adopt cabinet style DC power supply to deposit drawback both ways, the one, because of limited space, without riding position; The 2nd, cabinet style DC power source capacity is bigger than normal, easily causes the wasting of resources, increases maintenance cost.Therefore,, according to user's request, autonomous Design has been developed Intelligent distributed DC power supply.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of distributed power source distributed electrical source power supply system.
For addressing the above problem, the technical solution adopted in the utility model comprises by EMC input filter circuit, former frontier inspection to be surveyed control circuit, soft starting circuit, rectification and filter circuit and recommends the main circuit that translation circuit forms and the control circuit being comprised of pwm control circuit and single chip machine controlling circuit;
Described EMC input filter circuit: the clutter that electrical network is existed, interference signal are filtered, the clutter that also hinders the machine generation simultaneously feeds back to public electric wire net;
Described former frontier inspection is surveyed control circuit: monitor the voltage that exchanges input electrical network, realize the control of input overvoltage, under-voltage function and soft start;
Described soft starting circuit: eliminate start surge current;
Described rectification and filter circuit: by the direct rectification in grid alternating current source, be more level and smooth direct current, for next stage, convert;
The described translation circuit of recommending: the direct current after rectification is become to high-frequency alternating current, carry out high frequency simultaneously and boost;
Described pwm control circuit and single chip machine controlling circuit: from output, sample on the one hand; through comparing with setup parameter; then remove control inverter; change its frequency or pulsewidth; on the other hand; the data that provide according to test circuit, differentiate through protective circuit, provide control circuit to carry out various safeguard measures to complete machine.
Described distributed electrical source power supply system, is characterized in that: described main circuit also comprises management of charging and discharging circuit, and described management of charging and discharging circuit is controlled all the filling of external storage battery, floating charge.
Described distributed electrical source power supply system, is characterized in that: described distributed power source also comprises testing circuit, and described testing circuit provides parameter and the instrumented data in circuit.
Described distributed electrical source power supply system, is characterized in that: described distributed power source also comprises monitoring unit, described each information of monitoring unit display system.
Described distributed electrical source power supply system, is characterized in that: described distributed power source also comprises communication unit, and described communication unit, with RS232/485 interface, is supported Modbus or CDT stipulations agreement.
The beneficial effects of the utility model are: 1) adopt omnidistance soft switch technique, efficiency is high, and no-load power consumption is little, and volume is little, can be installed in switch cubicle.Module power loss when zero load or underloading only has 5W; Inversion efficiency is up to 96%, power loss only 4%.
2) there is reverse connection of accumulator self protective function.The built-in reverse control appliance of direct current input, when user connects inverse time battery, equipment is closed automatically, thus protection equipment.
3) internal battery auto charge and discharge management circuit, carries out intelligent even and float charging management to battery automatically, greatly postpones the life-span of storage battery, makes operation more reliably and safety.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1, distributed electrical source power supply system of the present utility model, it comprises by EMC input filter circuit 1, former frontier inspection surveys control circuit 2, soft starting circuit 3, rectification and filter circuit 4 and recommends the main circuit that translation circuit 5 forms and the control circuit being comprised of pwm control circuit 6 and single chip machine controlling circuit 7; Described EMC input filter circuit 1: the clutter that electrical network is existed, interference signal are filtered, the clutter that also hinders the machine generation simultaneously feeds back to public electric wire net.Described former frontier inspection is surveyed control circuit 2: monitor the voltage that exchanges input electrical network, realize the control of input overvoltage, under-voltage function and soft start.Described soft starting circuit 3: eliminate start surge current.Described rectification and filter circuit 4: by the direct rectification in grid alternating current source, be more level and smooth direct current, for next stage, convert.The described translation circuit 5 of recommending: the direct current after rectification is become to high-frequency alternating current, carry out high frequency simultaneously and boost, volume, weight are less with the ratio of power output.Described pwm control circuit 6 and single chip machine controlling circuit 7: from output, sample on the one hand; through comparing with setup parameter; then remove control inverter; change its frequency or pulsewidth; reach stable output, on the other hand, the data that provide according to test circuit; through protective circuit, differentiate, provide control circuit to carry out various safeguard measures to complete machine.
Further optimize such scheme: described main circuit also comprises management of charging and discharging circuit 8, testing circuit 9, monitoring unit 10, communication unit 11, described management of charging and discharging circuit control effectively to all the filling of external storage battery, floating charge.Under normal condition, by civil power, through rectifying conversion, provide DC output power; Once civil power dead electricity, module is by storage battery power supply inversion output direct current; When storage battery is during lower than set point, module enters protection battery status, and while exchanging incoming call, module enters operating state automatically.Described testing circuit is just being in operation various parameters in protective circuit is provided, and various Displaying Meter data are also provided.The various information of described monitoring unit monitoring display direct current system, user also can pass through display screen or button operation Query Information and setting parameter.System is except monitoring VD, electric current, and battery inverter voltage, electric current, outside the base units such as battery operated state, alternate current operation state, module operating temperature, can also monitor D.C. isolation, alarm signal; In addition, with warning output contact.Described communication unit, with RS232/485 interface, is supported Modbus or CDT stipulations agreement.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within being all included in protection range of the present utility model.

Claims (5)

1. a distributed electrical source power supply system, is characterized in that: it comprises by EMC input filter circuit (1), former frontier inspection surveys control circuit (2), soft starting circuit (3), rectification and filter circuit (4) and recommend the main circuit that translation circuit (5) forms and the control circuit being comprised of pwm control circuit (6) and single chip machine controlling circuit (7);
Described EMC input filter circuit (1): the clutter that electrical network is existed, interference signal are filtered, the clutter that also hinders the machine generation simultaneously feeds back to public electric wire net;
Described former frontier inspection is surveyed control circuit (2): monitor the voltage that exchanges input electrical network, realize the control of input overvoltage, under-voltage function and soft start;
Described soft starting circuit (3): eliminate start surge current;
Described rectification and filter circuit (4): by the direct rectification in grid alternating current source, be more level and smooth direct current, for next stage, convert;
The described translation circuit (5) of recommending: the direct current after rectification is become to high-frequency alternating current, carry out high frequency simultaneously and boost;
Described pwm control circuit (6) and single chip machine controlling circuit (7): from output, sample on the one hand; through comparing with setup parameter; then remove control inverter; change its frequency or pulsewidth; on the other hand; the data that provide according to test circuit, differentiate through protective circuit, provide control circuit to carry out various safeguard measures to complete machine.
2. distributed electrical source power supply system according to claim 1, is characterized in that: described main circuit also comprises management of charging and discharging circuit (8), and described management of charging and discharging circuit is controlled all the filling of external storage battery, floating charge.
3. distributed electrical source power supply system according to claim 1, is characterized in that: described distributed electrical source power supply system also comprises testing circuit (9), and described testing circuit provides parameter and the instrumented data in circuit.
4. distributed electrical source power supply system according to claim 1, is characterized in that: described distributed electrical source power supply system also comprises monitoring unit (10), described each information of monitoring unit display system.
5. distributed electrical source power supply system according to claim 1, is characterized in that: described distributed electrical source power supply system also comprises communication unit (11), and described communication unit, with RS232/485 interface, is supported Modbus or CDT stipulations agreement.
CN201320515258.6U 2013-08-22 2013-08-22 Distributed electric power supply system Expired - Fee Related CN203416183U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320515258.6U CN203416183U (en) 2013-08-22 2013-08-22 Distributed electric power supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320515258.6U CN203416183U (en) 2013-08-22 2013-08-22 Distributed electric power supply system

Publications (1)

Publication Number Publication Date
CN203416183U true CN203416183U (en) 2014-01-29

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CN201320515258.6U Expired - Fee Related CN203416183U (en) 2013-08-22 2013-08-22 Distributed electric power supply system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104600824A (en) * 2015-02-06 2015-05-06 宁波高新区零零七工业设计有限公司 Intelligent electric vehicle charger
CN110381644A (en) * 2019-08-21 2019-10-25 厦门亚锝电子科技有限公司 A kind of constant current LED drive circuit for integrating emergency lighting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104600824A (en) * 2015-02-06 2015-05-06 宁波高新区零零七工业设计有限公司 Intelligent electric vehicle charger
CN110381644A (en) * 2019-08-21 2019-10-25 厦门亚锝电子科技有限公司 A kind of constant current LED drive circuit for integrating emergency lighting
CN110381644B (en) * 2019-08-21 2024-09-13 厦门亚锝电子科技有限公司 Constant-current LED driving circuit integrating emergency lighting

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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: 20140129

Termination date: 20190822

CF01 Termination of patent right due to non-payment of annual fee