CN104866062A - Power feeding equipment and method - Google Patents

Power feeding equipment and method Download PDF

Info

Publication number
CN104866062A
CN104866062A CN201510245938.4A CN201510245938A CN104866062A CN 104866062 A CN104866062 A CN 104866062A CN 201510245938 A CN201510245938 A CN 201510245938A CN 104866062 A CN104866062 A CN 104866062A
Authority
CN
China
Prior art keywords
power supply
output terminal
output
stand
direct current
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
CN201510245938.4A
Other languages
Chinese (zh)
Inventor
谷俊杰
车吉旭
肖波
滕学军
高鹏飞
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.)
Inspur Electronic Information Industry Co Ltd
Original Assignee
Inspur Electronic Information Industry 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 Inspur Electronic Information Industry Co Ltd filed Critical Inspur Electronic Information Industry Co Ltd
Priority to CN201510245938.4A priority Critical patent/CN104866062A/en
Publication of CN104866062A publication Critical patent/CN104866062A/en
Pending legal-status Critical Current

Links

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention provides a power feeding equipment and method. The power feeding equipment comprises: a primary power supply circuit, a secondary power supply circuit, and a control unit, wherein the primary power supply circuit comprises: a primary power supply and a first output end; the secondary power supply circuit comprises: a secondary power supply and a second output end; the primary power supply is connected to the first output end, and the secondary power supply is connected to the second output end; the control unit is connected to the primary power supply, the secondary power supply, the first output end, and the second output end separately; and the control unit is configured to control the primary power supply to supply power by using the first output end, detect whether the primary power supply circuit is normal, and detect whether the secondary power supply circuit is normal, and when it is detected that the primary power supply circuit fails and that the secondary power supply circuit is normal, control the secondary power supply to supply power by using the second output end. The power feeding equipment and method provided by the invention may be used to save resources.

Description

A kind of electric supply installation and method
Technical field
The present invention relates to electronic technology field, particularly a kind of electric supply installation and method.
Background technology
The birth of cloud computing and large data and development, in world wide, all trades and professions are to the demand of information and share also increasing.For various computing machine provides data center's quantity of information service, scale all constantly expanding, the operation of server security stabilizing energy-saving is the maximum problem considered at present, and the safety and stability of server is with closely related for electrical stability.
In prior art, traditional generally use the mode organizing UPS (UninterruptedPower Supply, uninterrupted power source) parallel operation redundancy to realize power supply to stablize, a large amount of electric battery and generator will be equipped with simultaneously for server is powered more.Visible by foregoing description, in prior art, carrying out power supply to server needs a large amount of electric battery and generator, takies ample resources.
Summary of the invention
In view of this, the invention provides a kind of electric supply installation and method, can saving resource.
First aspect, the invention provides a kind of electric supply installation, comprising: main feed circuit, stand-by power supply circuit and control module,
Wherein, described main feed circuit comprise: primary power, the first output terminal;
Described stand-by power supply circuit comprises: standby power supply, the second output terminal;
Described primary power is connected with described first output terminal, and described standby power supply is connected with described second output terminal;
Described control module is connected with described second output terminal with described primary power, described standby power supply, described first output terminal respectively;
Described control module, powered by described first output terminal for controlling described primary power, whether normally detect main feed circuit, and whether detect stand-by power supply circuit normal, when detecting that described main feed circuit break down and stand-by power supply circuit is normal, controlling described standby power supply and being powered by described second output terminal.
Further, described control module, for when whether normally performing described detection stand-by power supply circuit, concrete execution: take Preset Time as the cycle, stop described primary power to be powered by described first output terminal, and control described standby power supply and powered by described second output terminal, to obtain the whether normal testing result of described stand-by power supply circuit, stop described standby power supply to be powered by described second output terminal, control described primary power and powered by described first output terminal.
Further, described standby power supply comprises: battery;
Described control module, after obtaining described testing result, and before execution stopping battery being powered by described second output terminal, whether the output voltage being further used for detecting described battery is less than or equal to preset voltage value, until when detecting that the output voltage of described battery is less than or equal to described preset voltage value, continue to perform and stop described battery to described second output terminal output current, control described primary power to described first output terminal output current.
Further, described control module, for when whether normally performing described detection stand-by power supply circuit, concrete execution: the first output voltage detecting described standby power supply, first output current, second output voltage of described second output terminal, second output current, judge described first output voltage whether in the first preset range, judge described first output current whether in the second preset range, judge described second output voltage whether in the 3rd preset range, judge described second output current whether in the 4th preset range, when judged result has one at least for time no, determine described stand-by power supply circuit malfunctions.
Further, described first output terminal, comprises the first high voltage direct current rectification module, and described primary power is connected with described first high voltage direct current rectification module;
Described first high voltage direct current rectification module, carries out rectification for the electric current inputted described primary power.
Further, described second output terminal, comprises the second high voltage direct current rectification module, and described standby power supply is connected with described second high voltage direct current rectification module;
Described second high voltage direct current rectification module, carries out rectification for the electric current inputted described standby power supply.
Further, described first output terminal, comprising: the first high frequency switch transformer, is connected with described first high voltage direct current rectification module, for carrying out transformation to the output of described first high voltage direct current rectification module.
Further, described second output terminal, comprising: the second high frequency switch transformer, is connected with described second high voltage direct current rectification module, for carrying out transformation to the output of described second high voltage direct current rectification module.
Further, described primary power is AC power, and described standby power supply is direct supply.
Second aspect, the invention provides a kind of method of supplying power to of the arbitrary described electric supply installation based on first aspect, comprising:
Described control module is controlled described primary power and is powered by described first output terminal;
Whether described control module detects main feed circuit normal, and whether detect stand-by power supply circuit normal;
Described control module, when detecting that described main feed circuit break down and stand-by power supply circuit is normal, is controlled described standby power supply and is powered by described second output terminal.
A kind of electric supply installation provided by the embodiment of the present invention and method, the main feed circuit of real-time detection, when main feed circuit break down, can be powered by standby power supply, without the need to backing up a large amount of electric battery, generator, saving resource, whether normally stand-by power supply circuit is detected by control module, ensure that stand-by power supply circuit can normally work, when main feed circuit break down, the stability of powering can be ensured.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of a kind of electric supply installation that one embodiment of the invention provides;
Fig. 2 is the schematic diagram of the another kind of electric supply installation that one embodiment of the invention provides;
Fig. 3 is the process flow diagram of a kind of method of supplying power to that one embodiment of the invention provides.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly; below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in the embodiment of the present invention is clearly and completely described; obviously; described embodiment is the present invention's part embodiment, instead of whole embodiments, based on the embodiment in the present invention; the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1, embodiments provide a kind of electric supply installation, the method can comprise the following steps:
Main feed circuit, stand-by power supply circuit and control module 101,
Wherein, described main feed circuit comprise: primary power 102, first output terminal 103;
Described stand-by power supply circuit comprises: standby power supply 104, second output terminal 105;
Described primary power 102 is connected with described first output terminal 103, and described standby power supply 104 is connected with described second output terminal 105;
Described control module 101 is connected with described second output terminal 105 with described primary power 102, described standby power supply 104, described first output terminal 103 respectively;
Described control module 101, powered by described first output terminal 103 for controlling described primary power 102, whether normally detect main feed circuit, and whether detect stand-by power supply circuit normal, when detecting that described main feed circuit break down and stand-by power supply circuit is normal, controlling described standby power supply 104 and being powered by described second output terminal 105.
By a kind of electric supply installation that the embodiment of the present invention provides, comprise primary power, standby power supply, the main feed circuit of real-time detection, when main feed circuit break down, can be powered by standby power supply, without the need to backing up a large amount of electric battery, generator, whether normal saving resource, detect stand-by power supply circuit by control module, ensure that stand-by power supply circuit can normally work, when main feed circuit break down, the stability of powering can be ensured.
In a kind of possible implementation, described control module 101, for when whether normally performing described detection stand-by power supply circuit, concrete execution: take Preset Time as the cycle, described primary power is stopped to be powered by described first output terminal, and control described standby power supply and powered by described second output terminal, to obtain the whether normal testing result of described stand-by power supply circuit, stop described standby power supply to be powered by described second output terminal, control described primary power and powered by described first output terminal.
When main feed circuit are normal, periodically be switched to stand-by power supply circuit to power, in stand-by power supply circuit power supply process, stand-by power supply circuit is detected, if detect that stand-by power supply fault can give a warning in time, guarantee that stand-by power supply circuit normally works.
In a kind of possible implementation, described standby power supply, described standby power supply comprises: battery;
Described control module, after obtaining described testing result, and before execution stopping battery being powered by described second output terminal, whether the output voltage being further used for detecting described battery is less than or equal to preset voltage value, until when detecting that the output voltage of described battery is less than or equal to described preset voltage value, continue to perform and stop described battery to described second output terminal output current, control described primary power to described first output terminal output current.By this implementation, realize the electric discharge to battery.
In this implementation, standby power supply can be battery, by powered battery, during to ensure that main feed circuit break down, maintains a period of time, waits question generator to start.If these main feed circuit normally work always, battery almost would not be used, and battery needs, regularly to its discharge and recharge, could ensure the serviceable life of battery like this.The electric discharge of battery by server as load, when battery needs electric discharge, can be switched to stand-by power supply circuit, use battery to power to server, when cell voltage is put into preset voltage value, switch back main feed circuit work, to battery charging, namely complete a discharge and recharge.Wherein, preset voltage value can be 210v.
In a kind of possible implementation, described control module, for when whether normally performing described detection stand-by power supply circuit, concrete execution: the first output voltage detecting described standby power supply, first output current, second output voltage of described second output terminal, second output current, judge described first output voltage whether in the first preset range, judge described first output current whether in the second preset range, judge described second output voltage whether in the 3rd preset range, judge described second output current whether in the 4th preset range, when judged result has one at least for time no, determine described stand-by power supply circuit malfunctions.
In a kind of possible implementation, in order to reach the requirement of consumer, may need to carry out rectification to circuit.Described first output terminal, comprises the first high voltage direct current rectification module, and described primary power is connected with described first high voltage direct current rectification module; Described first high voltage direct current rectification module, carries out rectification for the electric current inputted described primary power.
In a kind of possible implementation, described second output terminal, comprises the second high voltage direct current rectification module, and described standby power supply is connected with described second high voltage direct current rectification module; Described second high voltage direct current rectification module, carries out rectification for the electric current inputted described standby power supply.
In order to meet the requirement of consumer to voltage, described first output terminal, comprising: the first high frequency switch transformer, is connected with described first high voltage direct current rectification module, for carrying out transformation to the output of described first high voltage direct current rectification module.
Described second output terminal, comprising: the second high frequency switch transformer, is connected with described second high voltage direct current rectification module, for carrying out transformation to the output of described second high voltage direct current rectification module.
In order to provide the quality of the electric signal of output, described first output terminal, comprising: the first DC-to-DC wave filter, is connected with described first high frequency switch transformer, for carrying out filtering to the output of the first high frequency switch transformer.
Described second output terminal, comprising: the second DC-to-DC wave filter, is connected with described second high frequency switch transformer, for carrying out filtering to the output of the second high frequency switch transformer.
If consumer is it is desirable that direct current, described primary power is AC power, and described standby power supply is direct supply.The alternating current that primary power exports becomes direct current through the first high voltage direct current rectification module, and the carries out transformation by a high frequency switch transformer, carries out filtering, output to consumer by the first DC-to-DC wave filter.
The first above-mentioned output terminal and the second output terminal can be output terminals, for primary power and standby power supply share.
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
In this embodiment, consumer needs the direct current of 12v.
As shown in Figure 2, embodiments provide a kind of electric supply installation, this device can comprise:
Main feed circuit, stand-by power supply circuit and control module 201;
Wherein, described main feed circuit comprise: primary power 202, first output terminal 203;
Described stand-by power supply circuit comprises: standby power supply 204, second output terminal 205;
Described primary power 202 is connected with described first output terminal 203, and described standby power supply 204 is connected with described second output terminal 205;
Described control module 201 is connected with described second output terminal 205 with described primary power 202, described standby power supply 204, described first output terminal 203 respectively;
Described first output terminal 203, comprises the first high voltage direct current rectification module 2031, first high frequency switch transformer 2032, first DC-to-DC wave filter 2033; Described primary power 202 is connected with described first high voltage direct current rectification module 2031, and the first high voltage direct current rectification module 2031 is connected with the first high frequency switch transformer 2032, and the first high frequency switch transformer 2032 is connected with the first DC-to-DC wave filter 2033;
Described second output terminal 205, comprises the second high voltage direct current rectification module 2051, second high frequency switch transformer 2052, second DC-to-DC wave filter 2053; Described standby power supply 204 is connected with described second high voltage direct current rectification module 2051, and the second high voltage direct current rectification module 2051 is connected with the second high frequency switch transformer 2052, and the second high frequency switch transformer 2052 is connected with the second DC-to-DC wave filter 2053;
Described control module 201, powered by described first output terminal 203 for controlling described primary power 202, whether normally detect main feed circuit, and whether detect stand-by power supply circuit normal, when detecting that described main feed circuit break down and stand-by power supply circuit is normal, controlling described standby power supply 204 and being powered by described second output terminal 205.
Described control module 201, for when whether normally performing described detection stand-by power supply circuit, concrete execution: take Preset Time as the cycle, described primary power 202 is stopped to be powered by described first output terminal 203, and control described standby power supply 204 and powered by described second output terminal 205, to obtain the whether normal testing result of described stand-by power supply circuit, stop described standby power supply 204 to be powered by described second output terminal 205, control described primary power 202 and powered by described first output terminal 203.
Particularly, Preset Time can be 7 days, 15 days.
The direct supply that the AC power that primary power 201 is 220v, standby power supply 202 are 240v.
Described first high voltage direct current rectification module 2031, carries out rectification for the electric current inputted described primary power 202, obtains 400v direct current.
First high frequency switch transformer 2032, for carrying out transformation to the output of the first high voltage direct current rectification module 2031, obtains the voltage of 12v;
First DC-to-DC wave filter 2033, for carrying out filtering to the output of the first high frequency switch transformer 2032;
Described second high voltage direct current rectification module 2051, carries out rectification for the electric current inputted described standby power supply 204, obtains 380v direct current.
Second high frequency switch transformer 2052, for carrying out transformation to the output of the second high voltage direct current rectification module 2051, obtains the voltage of 12v;
Second DC-to-DC wave filter 2053, for carrying out filtering to the output of the second high frequency switch transformer 2052.
In this embodiment, because this electric supply installation is dual input power supply, realize in the once survey of power supply, namely the civil power of Switching Power Supply realizes after transferring high pressure to, conventional power source is a part slowdown monitoring circuit only, dual input power supply has two parts slowdown monitoring circuit, adopts parallel form to connect, and then is pooled to secondary side and carries out high direct voltage and be depressured to 12V voltage needed for server.Above-mentioned electric supply installation employs the mode that monomer module supplies power with double circuit, and economizes on resources.
See Fig. 3, based on above-mentioned arbitrary electric supply installation, a kind of method of supplying power to that the present embodiment provides, comprising:
Step 301: control module is controlled described primary power and powered by described first output terminal;
Step 302: whether control module detects main feed circuit normal, and whether detect stand-by power supply circuit normal;
Step 303: control module, when detecting that described main feed circuit break down and stand-by power supply circuit is normal, is controlled described standby power supply and powered by described second output terminal.
By a kind of electric supply installation provided by the invention and method, there is following beneficial effect:
A kind of electric supply installation provided by the embodiment of the present invention and method, the main feed circuit of real-time detection, when main feed circuit break down, can be powered by standby power supply, without the need to backing up a large amount of electric battery, generator, saving resource, whether normally stand-by power supply circuit is detected by control module, ensure that stand-by power supply circuit can normally work, when main feed circuit break down, the stability of powering can be ensured.
It should be noted that, in this article, the relational terms of such as first and second and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element " being comprised " limited by statement, and be not precluded within process, method, article or the equipment comprising described key element and also there is other same factor.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that programmed instruction is relevant, aforesaid program can be stored in the storage medium of embodied on computer readable, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium in.
Finally it should be noted that: the foregoing is only preferred embodiment of the present invention, only for illustration of technical scheme of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.

Claims (10)

1. an electric supply installation, is characterized in that, comprising: main feed circuit, stand-by power supply circuit and control module,
Wherein, described main feed circuit comprise: primary power, the first output terminal;
Described stand-by power supply circuit comprises: standby power supply, the second output terminal;
Described primary power is connected with described first output terminal, and described standby power supply is connected with described second output terminal;
Described control module is connected with described second output terminal with described primary power, described standby power supply, described first output terminal respectively;
Described control module, powered by described first output terminal for controlling described primary power, whether normally detect main feed circuit, and whether detect stand-by power supply circuit normal, when detecting that described main feed circuit break down and stand-by power supply circuit is normal, controlling described standby power supply and being powered by described second output terminal.
2. device according to claim 1, it is characterized in that, described control module, for when whether normally performing described detection stand-by power supply circuit, concrete execution: take Preset Time as the cycle, described primary power is stopped to be powered by described first output terminal, and control described standby power supply and powered by described second output terminal, to obtain the whether normal testing result of described stand-by power supply circuit, stop described standby power supply to be powered by described second output terminal, control described primary power and powered by described first output terminal.
3. device according to claim 2, is characterized in that, described standby power supply comprises: battery;
Described control module, after obtaining described testing result, and before execution stopping battery being powered by described second output terminal, whether the output voltage being further used for detecting described battery is less than or equal to preset voltage value, until when detecting that the output voltage of described battery is less than or equal to described preset voltage value, continue to perform and stop described battery to described second output terminal output current, control described primary power to described first output terminal output current.
4. device according to claim 1, it is characterized in that, described control module, for when whether normally performing described detection stand-by power supply circuit, concrete execution: the first output voltage detecting described standby power supply, first output current, second output voltage of described second output terminal, second output current, judge described first output voltage whether in the first preset range, judge described first output current whether in the second preset range, judge described second output voltage whether in the 3rd preset range, judge described second output current whether in the 4th preset range, when judged result has one at least for time no, determine described stand-by power supply circuit malfunctions.
5. device according to claim 1, is characterized in that, described first output terminal, comprises the first high voltage direct current rectification module, and described primary power is connected with described first high voltage direct current rectification module;
Described first high voltage direct current rectification module, carries out rectification for the electric current inputted described primary power.
6. device according to claim 1, is characterized in that, described second output terminal, comprises the second high voltage direct current rectification module, and described standby power supply is connected with described second high voltage direct current rectification module;
Described second high voltage direct current rectification module, carries out rectification for the electric current inputted described standby power supply.
7. device according to claim 5, is characterized in that, described first output terminal, comprising: the first high frequency switch transformer, is connected with described first high voltage direct current rectification module, for carrying out transformation to the output of described first high voltage direct current rectification module.
8. device according to claim 6, is characterized in that, described second output terminal, comprising: the second high frequency switch transformer, is connected with described second high voltage direct current rectification module, for carrying out transformation to the output of described second high voltage direct current rectification module.
9. device according to claim 1, it is characterized in that, described primary power is AC power, and described standby power supply is direct supply.
10., based on a kind of method of supplying power to of described electric supply installation arbitrary in claim 1-9, it is characterized in that, comprising:
Described control module is controlled described primary power and is powered by described first output terminal;
Whether described control module detects main feed circuit normal, and whether detect stand-by power supply circuit normal;
Described control module, when detecting that described main feed circuit break down and stand-by power supply circuit is normal, is controlled described standby power supply and is powered by described second output terminal.
CN201510245938.4A 2015-05-14 2015-05-14 Power feeding equipment and method Pending CN104866062A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510245938.4A CN104866062A (en) 2015-05-14 2015-05-14 Power feeding equipment and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510245938.4A CN104866062A (en) 2015-05-14 2015-05-14 Power feeding equipment and method

Publications (1)

Publication Number Publication Date
CN104866062A true CN104866062A (en) 2015-08-26

Family

ID=53911950

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510245938.4A Pending CN104866062A (en) 2015-05-14 2015-05-14 Power feeding equipment and method

Country Status (1)

Country Link
CN (1) CN104866062A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105490377A (en) * 2015-12-18 2016-04-13 浪潮(北京)电子信息产业有限公司 Redundant power supply circuit applied to fusion architecture server
CN106338690A (en) * 2016-08-25 2017-01-18 浪潮电子信息产业股份有限公司 Standby battery detection method, device and system and power supply method
CN106374678A (en) * 2016-09-29 2017-02-01 郝定强 Coaxial multi-power electric motor system
CN107942165A (en) * 2017-11-16 2018-04-20 芜湖市卓亚电气有限公司 Power supply unit management method
CN109542201A (en) * 2018-11-01 2019-03-29 郑州云海信息技术有限公司 A kind of method and system promoting dual input PSU stability

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101414762A (en) * 2007-10-16 2009-04-22 深圳市研祥智能科技股份有限公司 Method, apparatus and system for power-off protection
US20100332896A1 (en) * 2009-06-26 2010-12-30 Dean Clark Wilson Systems, methods and devices for backup power control in data storage devices
CN103176577A (en) * 2011-12-20 2013-06-26 深圳市腾讯计算机系统有限公司 Power supply system for device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101414762A (en) * 2007-10-16 2009-04-22 深圳市研祥智能科技股份有限公司 Method, apparatus and system for power-off protection
US20100332896A1 (en) * 2009-06-26 2010-12-30 Dean Clark Wilson Systems, methods and devices for backup power control in data storage devices
CN103176577A (en) * 2011-12-20 2013-06-26 深圳市腾讯计算机系统有限公司 Power supply system for device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105490377A (en) * 2015-12-18 2016-04-13 浪潮(北京)电子信息产业有限公司 Redundant power supply circuit applied to fusion architecture server
CN106338690A (en) * 2016-08-25 2017-01-18 浪潮电子信息产业股份有限公司 Standby battery detection method, device and system and power supply method
CN106338690B (en) * 2016-08-25 2019-08-02 浪潮电子信息产业股份有限公司 A kind of reserve battery detection method, device, system and method for supplying power to
CN106374678A (en) * 2016-09-29 2017-02-01 郝定强 Coaxial multi-power electric motor system
CN107942165A (en) * 2017-11-16 2018-04-20 芜湖市卓亚电气有限公司 Power supply unit management method
CN109542201A (en) * 2018-11-01 2019-03-29 郑州云海信息技术有限公司 A kind of method and system promoting dual input PSU stability

Similar Documents

Publication Publication Date Title
CN104866062A (en) Power feeding equipment and method
WO2019019296A1 (en) On-line checking discharge apparatus and method for storage battery set
CN108321827A (en) Backup battery energy storage discharge control system and method
CN102005796A (en) Mobile power supply and control method thereof
CN103441519B (en) Building energy storage emergence energy-saving system
CN204258411U (en) A kind of intelligent UPS device
CN105305600A (en) Cabinet type three-phase double-input load balancing power supply system
CN106208347A (en) A kind of electric supply installation, electric power system and method
CN202197120U (en) Uninterrupted DC power supply for network equipment
WO2015180514A1 (en) Commercial power supply method and device
CN202034819U (en) Uninterruptible power supply system based on fuel cell
CN205791592U (en) There is the DC UPS identifying function
CN202550614U (en) Off-line discharge device of storage battery
CN103368249B (en) The system and method that a kind of uninterrupted power supply is powered
CN205319787U (en) UPS with hold battery management function
CN209948782U (en) Uninterrupted power supply system
CN205178860U (en) Uninterrupted power source supply ware of alternating current -direct current input
CN206282228U (en) Server intelligence power-off protection power supply
CN203617760U (en) Online UPS power supply system based on DSP control
CN203471163U (en) AC welder
CN201945945U (en) Computer uninterruptible power supply
CN207681693U (en) Arc welder zero load decision circuitry
CN206207380U (en) A kind of improved B BU indicator lamps
CN205375366U (en) Desk calculator power with accumulate function
CN209860658U (en) Novel network security evidence obtaining system host and standby power supply thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150826