CN104821647A - DC power supply system - Google Patents

DC power supply system Download PDF

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Publication number
CN104821647A
CN104821647A CN201510267516.7A CN201510267516A CN104821647A CN 104821647 A CN104821647 A CN 104821647A CN 201510267516 A CN201510267516 A CN 201510267516A CN 104821647 A CN104821647 A CN 104821647A
Authority
CN
China
Prior art keywords
unit
lead acid
acid accumulator
lead
acid storage
Prior art date
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.)
Pending
Application number
CN201510267516.7A
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Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shure Environmental Technology Hefei Co Ltd
Original Assignee
Shure Environmental Technology Hefei Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shure Environmental Technology Hefei Co Ltd filed Critical Shure Environmental Technology Hefei Co Ltd
Priority to CN201510267516.7A priority Critical patent/CN104821647A/en
Publication of CN104821647A publication Critical patent/CN104821647A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Voltage And Current In General (AREA)

Abstract

A DC power supply system relates to the technical field of a DC system power supply set screen cabinet. The DC power supply system is characterized in that the DC power supply system comprises an AC power distribution unit, a charging unit, a lead-acid storage battery, a voltage reduction unit, a switch and an output unit. The AC power distribution unit, the charging unit, the lead-acid storage battery, the switch and the output unit are connected in series in sequence; and the voltage reduction unit is connected in parallel with the lead-acid storage battery. The charging unit comprises a first charging unit, a second charging unit, a third charging unit and a fourth charging unit, wherein the charging units are connected in parallel with each other. The lead-acid storage battery comprises a first lead-acid storage battery, a second lead-acid storage battery, a third lead-acid storage battery and a fourth lead-acid storage battery, wherein the lead-acid storage batteries are connected in parallel with each other. The DC power supply system is simple in structure and can provide a DC power supply which is high in anti-interference performance.

Description

DC power-supply system
Technical field
The present invention relates to direct current system to power group screen cabinet technical field, be specifically related to DC power-supply system.
Background technology
In recent years, the automaticity of electric equipment is more and more higher, simultaneously to the operation precision of equipment, response time requirement is more and more higher, namely higher requirement is had to the control power supply of equipment, AC power control operation loop is eliminated, direct current system is brought into use to power, major advantage is strong in direct current antijamming capability, alternating current may occur that in a complete cycle waveform is unstable, there is spike, the problems such as shake, the equipment high to control overflow precision can not meet, equipment malfunction may be made to do, or delay voltage, cause the fault of equipment, more may cause personal safety accident.
Summary of the invention
The object of the invention is to provide DC power-supply system, its structure is simple, can provide the features such as the DC power supply of strong interference immunity.
In order to solve the problem existing for background technology, the present invention is by the following technical solutions: it comprises Alternating Current Unit, charhing unit, lead acid accumulator, pressure unit, switch and output unit, Alternating Current Unit, charhing unit, lead acid accumulator, switch and output unit are connected successively, pressure unit is in parallel with lead acid accumulator, described charhing unit comprises the first charhing unit, the second charhing unit, the 3rd charhing unit and the 4th charhing unit, in parallel between its each unit; Described lead acid accumulator comprises the first lead acid accumulator, the second lead acid accumulator, the 3rd lead acid accumulator and the 4th lead acid accumulator, in parallel between its each lead acid accumulator, the first charhing unit, the second charhing unit, the 3rd charhing unit and the 4th charhing unit are connected with the first corresponding lead acid accumulator, the second lead acid accumulator, the 3rd lead acid accumulator and the 4th lead acid accumulator successively.
The advantage that the present invention has: structure is simple, can provide the features such as the DC power supply of strong interference immunity.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Embodiment
With reference to Fig. 1, DC power-supply system, it is characterized in that it comprises Alternating Current Unit 1, charhing unit, lead acid accumulator, pressure unit 4, switch 5 and output unit 6, Alternating Current Unit 1, charhing unit, lead acid accumulator, switch 5 and output unit 6 are connected successively, pressure unit 4 is in parallel with lead acid accumulator, described charhing unit comprises the first charhing unit 2-1, the second charhing unit 2-2, the 3rd charhing unit 2-3 and the 4th charhing unit 2-4, in parallel between its each unit; Described lead acid accumulator comprises the first lead acid accumulator 3-1, the second lead acid accumulator 3-2, the 3rd lead acid accumulator 3-3 and the 4th lead acid accumulator 3-4, in parallel between its each lead acid accumulator, the first charhing unit 2-1, the second charhing unit 2-2, the 3rd charhing unit 2-3 and the 4th charhing unit 2-4 connect with the first corresponding lead acid accumulator 3-1, the second lead acid accumulator 3-2, the 3rd lead acid accumulator 3-3 and the 4th lead acid accumulator 3-4 successively.
Electric equipment controls to use direct current, prevents the element misoperations such as relay, and the situations such as relay coupling occur, use the direct current supply cabinet of this system can optimal control loop well, the control loop provided separately in cabinet, will power one to one, convenient control and maintenance.

Claims (1)

1. DC power-supply system, it is characterized in that it comprises Alternating Current Unit, charhing unit, lead acid accumulator, pressure unit, switch and output unit, Alternating Current Unit, charhing unit, lead acid accumulator, switch and output unit are connected successively, pressure unit is in parallel with lead acid accumulator, described charhing unit comprises the first charhing unit, the second charhing unit, the 3rd charhing unit and the 4th charhing unit, in parallel between its each unit; Described lead acid accumulator comprises the first lead acid accumulator, the second lead acid accumulator, the 3rd lead acid accumulator and the 4th lead acid accumulator, in parallel between its each lead acid accumulator, the first charhing unit, the second charhing unit, the 3rd charhing unit and the 4th charhing unit are connected with the first corresponding lead acid accumulator, the second lead acid accumulator, the 3rd lead acid accumulator and the 4th lead acid accumulator successively.
CN201510267516.7A 2015-05-25 2015-05-25 DC power supply system Pending CN104821647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510267516.7A CN104821647A (en) 2015-05-25 2015-05-25 DC power supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510267516.7A CN104821647A (en) 2015-05-25 2015-05-25 DC power supply system

Publications (1)

Publication Number Publication Date
CN104821647A true CN104821647A (en) 2015-08-05

Family

ID=53731853

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510267516.7A Pending CN104821647A (en) 2015-05-25 2015-05-25 DC power supply system

Country Status (1)

Country Link
CN (1) CN104821647A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104821648A (en) * 2015-05-25 2015-08-05 舒尔环保科技（合肥）有限公司 Novel DC power supply system
CN104821633A (en) * 2015-05-25 2015-08-05 舒尔环保科技（合肥）有限公司 DC circuit power supply system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203071616U (en) * 2013-01-22 2013-07-17 普尔盾电气（上海）有限公司 Intelligent high-frequency switch direct-current power supply
CN203180603U (en) * 2013-03-08 2013-09-04 远东电器集团有限公司 Microcomputer intelligent DC source system
CN203193376U (en) * 2013-03-25 2013-09-11 武汉市武昌电控设备有限公司 Novel operational power supply
CN203326715U (en) * 2013-05-15 2013-12-04 滁州南瑞继远电力设备有限公司 Complete-set direct-current power supply system
CN203589807U (en) * 2013-12-02 2014-05-07 重庆跃达电力设备有限公司 Charging-feeding separating type direct-current control cabinet
CN204334062U (en) * 2015-01-09 2015-05-13 安徽国安电气股份有限公司 DC power-supply system
CN104821648A (en) * 2015-05-25 2015-08-05 舒尔环保科技（合肥）有限公司 Novel DC power supply system
CN104821633A (en) * 2015-05-25 2015-08-05 舒尔环保科技（合肥）有限公司 DC circuit power supply system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203071616U (en) * 2013-01-22 2013-07-17 普尔盾电气（上海）有限公司 Intelligent high-frequency switch direct-current power supply
CN203180603U (en) * 2013-03-08 2013-09-04 远东电器集团有限公司 Microcomputer intelligent DC source system
CN203193376U (en) * 2013-03-25 2013-09-11 武汉市武昌电控设备有限公司 Novel operational power supply
CN203326715U (en) * 2013-05-15 2013-12-04 滁州南瑞继远电力设备有限公司 Complete-set direct-current power supply system
CN203589807U (en) * 2013-12-02 2014-05-07 重庆跃达电力设备有限公司 Charging-feeding separating type direct-current control cabinet
CN204334062U (en) * 2015-01-09 2015-05-13 安徽国安电气股份有限公司 DC power-supply system
CN104821648A (en) * 2015-05-25 2015-08-05 舒尔环保科技（合肥）有限公司 Novel DC power supply system
CN104821633A (en) * 2015-05-25 2015-08-05 舒尔环保科技（合肥）有限公司 DC circuit power supply system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104821648A (en) * 2015-05-25 2015-08-05 舒尔环保科技（合肥）有限公司 Novel DC power supply system
CN104821633A (en) * 2015-05-25 2015-08-05 舒尔环保科技（合肥）有限公司 DC circuit power supply system

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PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150805