CN204205325U - A kind of high-voltage DC power supply - Google Patents

A kind of high-voltage DC power supply Download PDF

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Publication number
CN204205325U
CN204205325U CN201420523551.1U CN201420523551U CN204205325U CN 204205325 U CN204205325 U CN 204205325U CN 201420523551 U CN201420523551 U CN 201420523551U CN 204205325 U CN204205325 U CN 204205325U
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China
Prior art keywords
cabinet
circuit unit
rectification module
power supply
input
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CN201420523551.1U
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Chinese (zh)
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刘荡
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Guangdong Aoxing Technology Co ltd
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DONGGUAN AOXING COMMUNICATION DEVICE Co Ltd
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Abstract

A kind of high-voltage DC power supply, relates to power supply technique.Comprise and exchange cabinet, at least one rectification module cabinet and DC cabinet, exchange cabinet, rectification module cabinet and DC cabinet to be arranged in order in the horizontal direction, exchange in cabinet and civil power and stand-by power supply ac input end and interlock, many 400A/3P circuit breakers and many miniature circuit breakers are installed; In rectification module cabinet, the installation position of rectification module is placed in configuration; Install many first fuses and many second fuses in DC cabinet, the input of the first fuse is connected with the storage battery as DC power supply for subsequent use, and the output of the second fuse connects load one by one.Ensure uninterrupted power supply, easy maintenance, can online insertion and removal.Meanwhile, assembled property is strong, is convenient to batch production, is also convenient at site of deployment rapid-assembling; Under equal quality, its rectification module simplifies, and manufacturing cost reduces, and is beneficial to popularization.

Description

A kind of high-voltage DC power supply
Technical field
The utility model relates to power supply technique, espespecially a kind of high-voltage DC power supply.
Background technology
For a long time, in the power-supply system construction of IDC machine room, ups system is unique selection in the industry.Along with the development that IDC business is swift and violent, increasing ups system on-line running.During ups system uses in a large number, its some drawbacks also come out.In recent years, the Communication Block accident that ups system fault causes frequently occurs, and causes great economic loss and negative effect to client, operator are even social.The drawback that ups system exists is mainly as follows: system reliability is poor, efficiency is low, primary construction cost is high, maintenance difficulties is large.Meanwhile, a lot of machine room using UPS is unattended equipment room, once break down, recovery time is longer, and impact is large.
In order to overcome the drawback of ups system, release one after another high-voltage direct current (DC) power system.High-voltage direct current (DC) power system has the advantages such as reliability is high, attended operation is simple and easy, conversion efficiency, on-line rapid estimation are simple, and at IDC machine room for electrical domain, communication industry is being inquired into always and adopted high-voltage direct current to replace ups system.But high-voltage direct current (DC) power system needs constantly perfect.One, assembled property is not strong, is not easy to batch production, is not easy at site of deployment rapid-assembling yet; Its two, rectification module is complicated, and manufacturing cost is high, constrains popularization.
Summary of the invention
Key in summary of the invention herein and describe paragraph.
The utility model technical issues that need to address be the assembled property of high-voltage direct current (DC) power system overcoming prior art strong, be not easy to batch production, to be also not easy to site of deployment rapid-assembling not enough, and the deficiency that rectification module is complicated, manufacturing cost is high, restriction is promoted, a kind of high-voltage DC power supply is provided.Its assembled property is strong, is convenient to batch production, is also convenient at site of deployment rapid-assembling; Under equal quality, its rectification module simplifies, and manufacturing cost reduces, and is beneficial to popularization.
For this reason, a kind of high-voltage DC power supply of the utility model adopts following technical proposals:
A kind of high-voltage DC power supply, comprise and exchange cabinet, at least one rectification module cabinet and DC cabinet, exchange cabinet, rectification module cabinet and DC cabinet to be arranged in order in the horizontal direction, exchange in cabinet and civil power and stand-by power supply ac input end and interlock, many 400A/3P circuit breakers and many miniature circuit breakers are installed; In rectification module cabinet, the installing rack of rectification module is placed in configuration, and the installation position of rectification module is put in the many discharges setting up and down of this installing rack, and horizontal direction at least arranges the installation position that rectification module is put in two discharges; Install many first fuses and many second fuses in DC cabinet, the input of the first fuse is connected with the storage battery as DC power supply for subsequent use, and the output of the second fuse connects load one by one; Select one of them in an output civil power and stand-by power supply to many 400A/3P circuit breakers by interlock, then input to rectification module through miniature circuit breaker, each rectification module parallel connection, become direct current through rectification module rectification and export; The input of the second fuse exports with described direct current and is connected; The output of the first fuse exports with described direct current and is connected.
Technique scheme is further elaborated:
Rectification module comprises input EMI circuit unit, three-phase passive PFC circuit unit, DC/DC circuit unit, current rectifying and wave filtering circuit unit, export EMI circuit unit, input detecting circuit unit, accessory power supply, DC/DC control circuit unit and cpu circuit unit, the described input EMI circuit unit of three-phase alternating current input, the output of input EMI circuit unit connects the input of three-phase passive PFC circuit unit, input EMI circuit unit is also to input detecting circuit element output signal, input detecting circuit unit output is to DC/DC control circuit unit pipage control signal, the output of three-phase passive PFC circuit unit is connected with the input of DC/DC circuit unit and accessory power supply respectively, accessory power supply is connected with input detecting circuit unit and DC/DC control circuit unit respectively, the output of DC/DC circuit unit, current rectifying and wave filtering circuit unit and output EMI circuit unit connect successively, DC/DC control circuit unit is to DC/DC circuit unit conveying signal, cpu circuit unit is connected with DC/DC control circuit unit, export EMI circuit unit and export 220V direct current.
Exchange cabinet, rectification module cabinet and DC cabinet and be shaped with cabinet door respectively, equipped display unit and warning device on each cabinet door.
The base plate of interchange cabinet, rectification module cabinet and DC cabinet is shaped with installing hole, by this installing hole, interchange cabinet, rectification module cabinet and DC cabinet and ground is fixed.
The beneficial effects of the utility model are:
The battery of high-voltage DC power supply is at output, even if the Alternating Current Power Supply of high-voltage DC power supply temporarily can not be powered because of fault, storage battery still can powering load, ensures uninterrupted power supply; Parallel operation is DC parallel, only has and keeps idiostatic problem, easily control, and parallel operation failure also there will not be serious problems; Parallel operation can be accomplished " infinity " in theory, generally can accomplish 40 parallel connections; Adopt N+X in parallel, the load of machine system can be operated in the load of 60%--70%, and overall efficiency can reach more than 90; Due to the existence of storage battery, N+1 or N+X is in parallel, and a module is out of order, and just early warning, there will not be power failure; Easy maintenance, can online insertion and removal.Meanwhile, assembled property is strong, is convenient to batch production, is also convenient at site of deployment rapid-assembling; Under equal quality, its rectification module simplifies, and manufacturing cost reduces, and is beneficial to popularization.
Accompanying drawing explanation
Fig. 1 is the utility model schematic perspective view (closedown of cabinet door);
Fig. 2 is that the utility model inside arranges schematic diagram (cabinet door opens wide);
Fig. 3 is the utility model circuit diagram;
Fig. 4 is this module map of circuit unit of rectification module.
In figure: 1, exchange cabinet; 2, rectification module cabinet; 3, DC cabinet; 4, interlock; 5,400A/3P circuit breaker; 6, miniature circuit breaker; 7, rectification module; 8, the first fuse; 9, the second fuse.
Embodiment
Embodiment of the present utility model is introduced below in conjunction with accompanying drawing.
As shown in Figures 1 to 4, a kind of high-voltage DC power supply, comprise and exchange cabinet 1, at least one rectification module cabinet 2 and DC cabinet 3, exchange cabinet 1, rectification module cabinet 2 and DC cabinet 3 to be arranged in order in the horizontal direction, exchange cabinet 1 internal upper part and civil power and stand-by power supply ac input end and interlock 4 are installed, exchange middle part in cabinet 1 and many 400A/3P circuit breakers 5 are installed, exchange bottom in cabinet 1 and many miniature circuit breakers 6 are installed; In rectification module cabinet 2, the installing rack of rectification module 7 is placed in configuration, and the installation position of rectification module 7 is put in the many discharges setting up and down of this installing rack, and horizontal direction at least arranges the installation position that rectification module 7 is put in two discharges; The input installing many first fuses 8 and many second fuse 9, first fuses 8 in DC cabinet 3 is connected with the storage battery as DC power supply for subsequent use, and the output of the second fuse 9 connects load one by one; Select one of them in an output civil power and stand-by power supply to many 400A/3P circuit breakers 5 by interlock 4, then input to rectification module 7 through miniature circuit breaker 6, the parallel connection of each rectification module 7, become direct current through rectification module 7 rectification and export; The input of the second fuse 9 exports with described direct current and is connected; The output of the first fuse 8 exports with described direct current and is connected.
In embodiment, specifically, its rated current of interlock 4 is 800A; Exchange middle part in cabinet 1 and 3 400A/3P circuit breakers 5 are installed; 2 rectification module cabinets 2 are set, in each rectification module cabinet 2,10 rows setting up and down, horizontal direction arrange the installation position that 2 rows amount to 20 rectification modules 7, rectification module exports 220V/30A, each rectification module cabinet 2 maximum output 220V/600A, 2 rectification module cabinet 2 maximum output 220V/1200A; The rated current of the first fuse 8 in DC cabinet is 1250A, the rated current 400A of the second fuse 9.
Rectification module comprises input EMI circuit unit, three-phase passive PFC circuit unit, DC/DC circuit unit, current rectifying and wave filtering circuit unit, export EMI circuit unit, input detecting circuit unit, accessory power supply, DC/DC control circuit unit and cpu circuit unit, the described input EMI circuit unit of three-phase alternating current input, the output of input EMI circuit unit connects the input of three-phase passive PFC circuit unit, input EMI circuit unit is also to input detecting circuit element output signal, input detecting circuit unit output is to DC/DC control circuit unit pipage control signal, the output of three-phase passive PFC circuit unit is connected with the input of DC/DC circuit unit and accessory power supply respectively, accessory power supply is connected with input detecting circuit unit and DC/DC control circuit unit respectively, the output of DC/DC circuit unit, current rectifying and wave filtering circuit unit and output EMI circuit unit connect successively, DC/DC control circuit unit is to DC/DC circuit unit conveying signal, cpu circuit unit is connected with DC/DC control circuit unit, export EMI circuit unit and export 220V direct current.
Exchange cabinet 1, rectification module cabinet 2 and DC cabinet 3 and be shaped with cabinet door respectively, equipped display unit and warning device on each cabinet door.
The base plate of interchange cabinet 1, rectification module cabinet 2 and DC cabinet 3 is shaped with installing hole, by this installing hole, interchange cabinet, rectification module cabinet and DC cabinet and ground is fixed.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, every above embodiment is done according to technical spirit of the present utility model any amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims (4)

1. a high-voltage DC power supply, it is characterized in that: comprise and exchange cabinet, at least one rectification module cabinet and DC cabinet, exchange cabinet, rectification module cabinet and DC cabinet to be arranged in order in the horizontal direction, exchange in cabinet and civil power and stand-by power supply ac input end and interlock, many 400A/3P circuit breakers and many miniature circuit breakers are installed; In rectification module cabinet, the installing rack of rectification module is placed in configuration, and the installation position of rectification module is put in the many discharges setting up and down of this installing rack, and horizontal direction at least arranges the installation position that rectification module is put in two discharges; Install many first fuses and many second fuses in DC cabinet, the input of the first fuse is connected with the storage battery as DC power supply for subsequent use, and the output of the second fuse connects load one by one; Select one of them in an output civil power and stand-by power supply to many 400A/3P circuit breakers by interlock, then input to rectification module through miniature circuit breaker, each rectification module parallel connection, become direct current through rectification module rectification and export; The input of the second fuse exports with described direct current and is connected; The output of the first fuse exports with described direct current and is connected.
2. a kind of high-voltage DC power supply according to claim 1, it is characterized in that: rectification module comprises input EMI circuit unit, three-phase passive PFC circuit unit, DC/DC circuit unit, current rectifying and wave filtering circuit unit, export EMI circuit unit, input detecting circuit unit, accessory power supply, DC/DC control circuit unit and cpu circuit unit, the described input EMI circuit unit of three-phase alternating current input, the output of input EMI circuit unit connects the input of three-phase passive PFC circuit unit, input EMI circuit unit is also to input detecting circuit element output signal, input detecting circuit unit output is to DC/DC control circuit unit pipage control signal, the output of three-phase passive PFC circuit unit is connected with the input of DC/DC circuit unit and accessory power supply respectively, accessory power supply is connected with input detecting circuit unit and DC/DC control circuit unit respectively, the output of DC/DC circuit unit, current rectifying and wave filtering circuit unit and output EMI circuit unit connect successively, DC/DC control circuit unit is to DC/DC circuit unit conveying signal, cpu circuit unit is connected with DC/DC control circuit unit, export EMI circuit unit and export 220V direct current.
3. a kind of high-voltage DC power supply according to claim 1, is characterized in that: exchange cabinet, rectification module cabinet and DC cabinet and be shaped with cabinet door respectively, equipped display unit and warning device on each cabinet door.
4. a kind of high-voltage DC power supply according to claim 1, is characterized in that: the base plate of interchange cabinet, rectification module cabinet and DC cabinet is shaped with installing hole, interchange cabinet, rectification module cabinet and DC cabinet and ground is fixed by this installing hole.
CN201420523551.1U 2014-09-12 2014-09-12 A kind of high-voltage DC power supply Active CN204205325U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420523551.1U CN204205325U (en) 2014-09-12 2014-09-12 A kind of high-voltage DC power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420523551.1U CN204205325U (en) 2014-09-12 2014-09-12 A kind of high-voltage DC power supply

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105162336A (en) * 2015-09-09 2015-12-16 江苏荣联科技发展股份有限公司 High-frequency switching power supply capable of realizing field capacity expansion
CN107888089A (en) * 2017-11-07 2018-04-06 许继电源有限公司 A kind of high-voltage DC power supply
CN109633559A (en) * 2018-11-26 2019-04-16 西南电子技术研究所(中国电子科技集团公司第十研究所) Phased-array radar TR component power supply

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105162336A (en) * 2015-09-09 2015-12-16 江苏荣联科技发展股份有限公司 High-frequency switching power supply capable of realizing field capacity expansion
CN107888089A (en) * 2017-11-07 2018-04-06 许继电源有限公司 A kind of high-voltage DC power supply
CN107888089B (en) * 2017-11-07 2020-03-06 许继电源有限公司 High-voltage direct-current power supply
CN109633559A (en) * 2018-11-26 2019-04-16 西南电子技术研究所(中国电子科技集团公司第十研究所) Phased-array radar TR component power supply

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Output earth leakage protection device for high-voltage and direct-current power supply system

Effective date of registration: 20180227

Granted publication date: 20150311

Pledgee: China Co. truction Bank Corp Dongguan Dongcheng Branch

Pledgor: DONGGUAN AOXING COMMUNICATION EQUIPMENT CO.,LTD.

Registration number: 2018440000043

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 523000 Room 301, 29 Shuijiao Industrial Road, Lichuan, Dongcheng Street, Dongguan City, Guangdong Province

Patentee after: Guangdong Aoxing Technology Co.,Ltd.

Address before: 523000 No. 82 Shizhu Road, Zhangcun Dayuan Industrial Zone, Dongcheng District, Dongguan City, Guangdong Province

Patentee before: DONGGUAN AOXING COMMUNICATION EQUIPMENT CO.,LTD.