CN108808676A - intelligent power unit - Google Patents
intelligent power unit Download PDFInfo
- Publication number
- CN108808676A CN108808676A CN201810777857.2A CN201810777857A CN108808676A CN 108808676 A CN108808676 A CN 108808676A CN 201810777857 A CN201810777857 A CN 201810777857A CN 108808676 A CN108808676 A CN 108808676A
- Authority
- CN
- China
- Prior art keywords
- intelligent power
- power unit
- electric energy
- connection line
- terminal
- 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
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Classifications
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
Abstract
The invention discloses a kind of intelligent power units, including input terminal, transport part and terminal, wherein：The input terminal is used for external inputing power；Transport part has transmission branch, transmission branch is connect with the input terminal, there is tie point in transmission branch, tie point extension connection line, connection line with other intelligent power units for connecting, in the case where meeting the first preset condition, the connection line conducting, other intelligent power units being connect with the intelligent power unit are supplied electrical power to by connection line；Terminal is used to provide electric energy to user terminal, and terminal is connect with the transmission branch, and in the case where meeting the second preset condition, connection line conducting, terminal provides power to user terminal by transmission branch and connection line.Using the above scheme, it can be able to be that the seamless supplement of electric load of abnormal branch continues electric energy, effectively improve the power supply reliability of system in the case of source abnormal electrical power supply.
Description
Technical field
The present invention relates to adapted electrical domain more particularly to a kind of intelligent power units.
Background technology
Traditional reasonability (or redundancy) for largely relying on distribution network topology with power utilization network reliability and
The operational reliability of relevant device.Although can improve power supply reliability by complicated distribution topological structure, investment is huge, builds
If it is complicated, and increase of equipment itself also reduces the robustness of distribution entirety.On the other hand, in the tip link with electricity consumption, with
With single transmission path is inherently present between network source, redundancy is insufficient, and power supply reliability is significantly limited by equipment certainly
The reliability of body, plurality of devices be connected in series with mode under, the electricity consumption reliability of terminal user further declines, this is existing
With the insurmountable problem of net topology.
High user is required for power supply reliability, power failure in short-term will also result in huge loss；For some
Sensitive power supply area, power failure may cause the negative effect except economic factor, so how effective raising supplies
Electric reliability has huge Social benefit and economic benefit.
Invention content
Goal of the invention：The present invention is intended to provide a kind of intelligent power unit.
Technical solution：The intelligent power unit of the present invention, including input terminal, transport part and terminal, wherein：The input terminal
For external inputing power；There is transmission branch, the transmission branch to be connect with the input terminal for the transport part, the transmission
There is tie point, the tie point extension connection line, the connection line to be used to connect with other intelligent power units for branch road
It connects, in the case where meeting the first preset condition, the connection line conducting, is supplied electrical power to and the intelligence by the connection line
Other intelligent power units of energy power unit connection；The terminal be used for user terminal provide electric energy, the terminal with it is described
Transmission branch connects, in the case where meeting the second preset condition, connection line conducting, the terminal by the transmission branch with
The connection line provides power to user terminal.
Optionally, the connection line of the intelligent power unit is equipped with contactor.
Optionally, external circuit is equipped between the contactor and the tie point, the external circuit is for external
Extra power.
Optionally, first preset condition is：The other intelligent power units being connect with the intelligent power unit
Electric energy occurs and cannot be satisfied preset need；When meeting first preset condition, the contactor is closed, and the intelligence is used
Electric unit provides power to other intelligent power units by the connection line.
Optionally, second preset condition is：The intelligent power unit occurs electric energy and cannot be satisfied user terminal demand；
When meeting second preset condition, the contactor is closed, and the transmission branch and the connection line will be other
The electric energy that intelligent power unit provides passes through the terminal transmission to user terminal.
Optionally, AC/DC changeover switch is equipped between the tie point in the transmission branch and the input terminal；It is described
DC-AC converter is equipped between the tie point and the user terminal in transmission branch.
Optionally, the capacity of the AC/DC changeover switch is determined according to the external inputing power of the input terminal；It is described straight
Electric energy of the capacity of a-c transducer according to the user terminal determines.
Optionally, electric energy accumulator is equipped between the contactor and the tie point, it is default meeting described first
When condition, the contactor is closed, and the electric energy accumulator provides power to other intelligence by the connection line
Power unit.
Optionally, electric energy accumulator is equipped between the contactor and the tie point, it is default meeting described second
When condition, the electric energy accumulator provides power to user terminal by the transmission branch.
Optionally, self detection unit, self detection unit is for detecting each position on the intelligent power unit
The energy value set；In the case where user terminal has reactive-load compensation demand, DC-AC converter output reactive power.
Advantageous effect：Compared with prior art, the present invention has following remarkable advantage：It is a kind of by being arranged in user side
Intelligent power unit, the intelligent power unit in user side can be arranged with other and connect for the intelligent power unit, a certain
When the demand that electrical energy demands cannot be satisfied user terminal occurs in the branch of user terminal, the intelligent power unit of other branch roads can be
The intelligent power unit of this branch road provides electric energy, avoids user from being lost caused by due to losing electric energy supply, ensures user
It can restore electric energy supply in a short time.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of intelligent power unit provided in an embodiment of the present invention.
Specific implementation mode
Since the existing redundancy with power utilization network grid structure itself is insufficient, and it is inherently present between terminal user
Single transmission path, so the power supply reliability of adapted power grid, it is difficult to meet wanting for special area and non-firm power demand user
It asks.In distribution network failure or under electrical equipment fault condition, user's dead electricity can be caused, user to high power supply reliability or
Region brings about great losses.
It is provided by the invention that one layer of Novel Internet is established between each branch with power utilization network with power utilization network topology
Network is powered when something goes wrong in certain branch with power utilization network, other branches can provide electric energy for the branch to go wrong,
Supply of electric power is avoided to interrupt the loss caused by user.
By the way that a kind of intelligent power unit is arranged in user side, the intelligent power unit can be set the present invention with other
The intelligent power unit connection in user side is set, the need that electrical energy demands cannot be satisfied user terminal occurs in the branch of a certain user terminal
When asking, the intelligent power unit of other branch roads can provide electric energy for the intelligent power unit of this branch road, avoid user
It is lost caused by due to losing electric energy supply.
Technical scheme of the present invention is described further below in conjunction with the accompanying drawings.
Refering to fig. 1, the present invention provides a kind of intelligent power unit, including input terminal 1, transport part and terminal, wherein：It is described
Input terminal 1 is used for external inputing power；There is transmission branch 4, the transmission branch 4 to connect with the input terminal 1 for the transport part
It connects, there is tie point 6,6 extension connection line 9 of the tie point, the connection line 9 is used for and it in the transmission branch 4
He connects intelligent power unit, and in the case where meeting the first preset condition, the connection line 9 is connected, will by the connection line 9
Electric energy is provided to other intelligent power units being connect with the intelligent power unit；The terminal is used to provide electricity to user terminal
Can, the terminal is connect with the transmission branch 4, and in the case where meeting the second preset condition, the connection line 9 is connected, the end
End provides power to user terminal by the transmission branch 4 and the connection line 9.
In specific implementation, the input terminal 1 of the intelligent power unit can be used for receiving through transformation for receiving electric energy
The alternating current come is transmitted after device transformation, can be used for receiving direct current.
In specific implementation, the transmission branch 4 receive input terminal 1 transmission come electric power, and directly by power transmission extremely
Terminal, so that user terminal uses.
In specific implementation, the transmission branch 4 can also receive the electric power that the transmission of input terminal 1 comes, and by power transmission
To terminal, so that user terminal uses.Meanwhile 6 extension of tie point in the transmission branch 4 has connection line 9, the connecting line
Road 9 with the connection line 9 of other intelligent power units for connecting, and in the case where meeting the first preset condition, the connection line 9 is led
It is logical.
In specific implementation, first preset condition can be that the electric energy that other intelligent power units provide cannot be satisfied
The demand of corresponding user terminal can also be that branch where other intelligent power units the event that electric energy supply is interrupted occurs
Barrier.In the above circumstances, the connection line 9 is connected, and the intelligent power unit can be that other intelligent power units carry
For electric energy.
In specific implementation, first preset condition can be arranged according to user according to actual conditions.
In specific implementation, second preset condition can be that the electric energy that the intelligent power unit provides cannot be satisfied
The demand of corresponding user terminal can also be that branch where the intelligent power unit event that electric energy supply is interrupted occurs
Barrier.In the above circumstances, the connection line 9 is connected, other intelligent power units can be that the intelligent power unit carries
For electric energy.
In specific implementation, when other intelligent power units provide electric energy for the intelligent power unit, that is, meet institute
When stating the second preset condition, the external circuit 5 that other intelligent power units pass through the intelligent power unit is to transmit electric energy
To the transmission branch 4 of the intelligent power unit, the transmission branch 4 is provided power to accordingly by the terminal
User terminal.
In specific implementation, it is that the terminal carries by the transmission branch 4 when the intelligent power unit works normally
For electric energy, the terminal provides power to corresponding user terminal.
In the embodiment of the present invention, the connection line 9 of the intelligent power unit is equipped with contactor 8.
In specific implementation, by controlling conducting of the contactor 8 to control the connection line 9 whether.
In the embodiment of the present invention, external circuit 5, the external connection are equipped between the contactor 8 and the tie point 6
Road 5 is used for external extra power.
In specific implementation, the electric energy that can be provided by extra power by the external circuit 5 is the intelligent power
The transmission branch 4 of unit provides electric energy, can also provide electric energy to other intelligent power units.What extra power provided can
Can also be alternating current to be direct current.
In specific implementation, extra power can be other clean energy resourcies such as solar energy, small-sized wind energy.The intelligent power
The target of environmental protection may be implemented in unit.
In the embodiment of the present invention, first preset condition is：The others intelligence being connect with the intelligent power unit
Power unit occurs electric energy and cannot be satisfied preset need；When meeting first preset condition, the contactor 8 is closed,
The intelligent power unit provides power to other intelligent power units by the connection line 9.
In the embodiment of the present invention, second preset condition is：The intelligent power unit occurs electric energy and cannot be satisfied use
Family end demand；When meeting second preset condition, the contactor 8 is closed, the transmission branch 4 and the connecting line
The electric energy that other intelligent power units provide is passed through the terminal transmission to user terminal by road 9.
In the embodiment of the present invention, alternating current-direct current is equipped between the tie point 6 and the input terminal 1 in the transmission branch 4
Converter 2；DC-AC converter 3 is equipped between the tie point 6 and the user terminal in the transmission branch 4.
In specific implementation, the input terminal 1 of the intelligent power unit is for receiving electric energy, commonly used in receiving through transformation
The alternating current come is transmitted after device transformation, however alternating current is supplied to other intelligent powers by the either described intelligent power unit
Alternating current is supplied to the intelligent power unit, the use of alternating current to need to consider by unit or other intelligent power units
The factors such as the frequency and phase of voltage, if improper use can generate user extremely serious consequence.
In specific implementation, it is direct current by AC conversion, in this way by direct current by the way that AC/DC changeover switch 2 is arranged
After being supplied to other intelligent power units, other intelligent power units can be supplied directly using direct current.Pass through setting
DC-AC converter 3, the alternating current that the intelligent power unit can provide other intelligent power units are converted to direct current,
And it is directly transferred to terminal, terminal is supplied to corresponding user terminal.
In the embodiment of the present invention, the capacity of the AC/DC changeover switch 2 is true according to the external inputing power of the input terminal 1
It is fixed；Electric energy of the capacity of the DC-AC converter 3 according to the user terminal determines.
In specific implementation, due to very high with the electrical power in power utilization network, it is susceptible to failure, according to actually making
AC/DC changeover switch 2 is set with situation and DC-AC converter 3 can be to avoid the electrical power mistake on the circuit of intelligent power unit
It is high.Even the electric energy that the intelligent power unit provides cannot be satisfied the demand of corresponding user terminal, other intelligent power lists
Member can provide electric energy for the intelligent power unit.
In the embodiment of the present invention, electric energy accumulator 7 is equipped between the contactor 8 and the tie point 6, meeting
When stating the first preset condition, the contactor 8 is closed, and the electric energy accumulator 7 is provided electric energy by the connection line 9
To other intelligent power units.
In the embodiment of the present invention, electric energy accumulator 7 is equipped between the contactor 8 and the tie point 6, meeting
When stating the second preset condition, the electric energy accumulator 7 provides power to user terminal by the transmission branch 4.
In specific implementation, a timing is needed since other intelligent power units provide electric energy for the intelligent power unit
Between complete.Therefore, it is to lose caused by user to avoid electric energy missing, and the electric energy accumulator 7 of the intelligent power unit can be with
Electric energy is discharged, the corresponding user terminal of the intelligent power unit provides electric energy, the electric energy that electric energy accumulator 7 discharges in a short time
The transmission branch 4 is transmitted to by connection line 9.
In specific implementation, electric energy accumulator 7 or other intelligent power units provide electric energy.
In specific implementation, due to being provided with DC-AC converter 3, the direct current that electric energy accumulator 7 discharges can be converted
For alternating current and it is supplied to user terminal.
In specific implementation, due to being provided with AC/DC changeover switch 2, in intelligent power unit course of normal operation, electricity
Energy reservoir 7 can use the direct current that AC/DC changeover switch 2 is converted as charge power supply.
In the embodiment of the present invention, self detection unit, self detection unit is for detecting the intelligent power unit
The energy value of upper each position；In the case where user terminal has reactive-load compensation demand, 3 output reactive power of DC-AC converter.
In specific implementation, power factor and power quality are also for the very important factor of user terminal, therefore,
In the case where user terminal has reactive-load compensation or promotes power quality demand, DC-AC converter 3, which exports electric energy, fully to be rung
Answer user demand.
In the case where user terminal has reactive-load compensation or power quality controlling demand, DC-AC converter can be terminal user
Output reactive power, or the electric energy for meeting user's requirement is provided.
Claims (10)
1. a kind of intelligent power unit, which is characterized in that including input terminal, transport part and terminal, wherein：
The input terminal is used for external inputing power；
There is transmission branch, the transmission branch to be connect with the input terminal for the transport part, has in the transmission branch and connects
Contact, the tie point extension connection line, the connection line are meeting first for being connect with other intelligent power units
The connection line conducting, is supplied electrical power to by the connection line and is connect with the intelligent power unit under preset condition
Other intelligent power units；
The terminal is used to provide electric energy to user terminal, and the terminal is connect with the transmission branch, is meeting the second default item
Under part, the connection line conducting, the terminal provides power to user by the transmission branch and the connection line
End.
2. intelligent power unit according to claim 1, which is characterized in that
The connection line of the intelligent power unit is equipped with contactor.
3. intelligent power unit according to claim 2, which is characterized in that
External circuit is equipped between the contactor and the tie point, the external circuit is used for external extra power.
4. intelligent power unit according to claim 2, which is characterized in that
First preset condition is：Electric energy occurs for the other intelligent power units being connect with the intelligent power unit can not
Meet preset need；
When meeting first preset condition, the contactor is closed, and the intelligent power unit passes through the connecting line
Road provides power to other intelligent power units.
5. intelligent power unit according to claim 2, which is characterized in that
Second preset condition is：The intelligent power unit occurs electric energy and cannot be satisfied user terminal demand；
When meeting second preset condition, the contactor is closed, the transmission branch and the connection line by its
The electric energy that his intelligent power unit provides passes through the terminal transmission to user terminal.
6. intelligent power unit according to claim 2, which is characterized in that
AC/DC changeover switch is equipped between the tie point and the input terminal in the transmission branch；In the transmission branch
DC-AC converter is equipped between the tie point and the user terminal.
7. intelligent power unit according to claim 6, which is characterized in that
The capacity of the AC/DC changeover switch is determined according to the external inputing power of the input terminal；The DC-AC converter
Electric energy of the capacity needed for the user terminal determines.
8. intelligent power unit according to claim 2, which is characterized in that
Electric energy accumulator is equipped between the contactor and the tie point, it is described when meeting first preset condition
Contactor is closed, and the electric energy accumulator provides power to other intelligent power units by the connection line.
9. intelligent power unit according to claim 2, which is characterized in that
Electric energy accumulator is equipped between the contactor and the tie point, it is described when meeting second preset condition
Electric energy accumulator provides power to user terminal by the transmission branch.
10. intelligent power unit according to claim 1, which is characterized in that including：
Self detection unit, self detection unit are used to detect the energy value of each position on the intelligent power unit；
In the case where user terminal has reactive-load compensation demand, DC-AC converter output reactive power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777857.2A CN108808676A (en) | 2018-07-16 | 2018-07-16 | intelligent power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777857.2A CN108808676A (en) | 2018-07-16 | 2018-07-16 | intelligent power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108808676A true CN108808676A (en) | 2018-11-13 |
Family
ID=64076979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810777857.2A Pending CN108808676A (en) | 2018-07-16 | 2018-07-16 | intelligent power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108808676A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231564A (en) * | 2011-07-12 | 2011-11-02 | 南京中德保护控制系统有限公司 | Stand-by power supply automatic switch method for multi-stage series connection power supply network |
| US20120086402A1 (en) * | 2010-10-12 | 2012-04-12 | Craig Carder | Fault-tolerant power supply |
| CN102510122A (en) * | 2011-11-18 | 2012-06-20 | 北京星网锐捷网络技术有限公司 | Multi-power supply control devices and system thereof |
| CN203896370U (en) * | 2014-01-09 | 2014-10-22 | 重庆宝捷讯科技有限公司 | Wired router provided with own emergency power supply |
| CN206117299U (en) * | 2016-09-30 | 2017-04-19 | 中国电子科技集团公司第二十七研究所 | Modularization high reliability UPS |
| CN206922429U (en) * | 2017-04-06 | 2018-01-23 | 北京中联智能科技有限公司 | A kind of data center's supplying DC grid-connected system |
-
2018
- 2018-07-16 CN CN201810777857.2A patent/CN108808676A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120086402A1 (en) * | 2010-10-12 | 2012-04-12 | Craig Carder | Fault-tolerant power supply |
| CN102231564A (en) * | 2011-07-12 | 2011-11-02 | 南京中德保护控制系统有限公司 | Stand-by power supply automatic switch method for multi-stage series connection power supply network |
| CN102510122A (en) * | 2011-11-18 | 2012-06-20 | 北京星网锐捷网络技术有限公司 | Multi-power supply control devices and system thereof |
| CN203896370U (en) * | 2014-01-09 | 2014-10-22 | 重庆宝捷讯科技有限公司 | Wired router provided with own emergency power supply |
| CN206117299U (en) * | 2016-09-30 | 2017-04-19 | 中国电子科技集团公司第二十七研究所 | Modularization high reliability UPS |
| CN206922429U (en) * | 2017-04-06 | 2018-01-23 | 北京中联智能科技有限公司 | A kind of data center's supplying DC grid-connected system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200408 Address after: 210012 Room 102, building 1, no.170-1, software Avenue, Yuhuatai District, Nanjing City, Jiangsu Province Applicant after: Nanjing Rongtai Electric Automation Co.,Ltd. Address before: 211100 6 building, Ming FA Commercial Plaza, 99 Yulan Road, Yuhuatai District, Nanjing, Jiangsu. Applicant before: Zhang Zhe |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |