CN205725113U - A kind of HVDC electric power system set of cells of compatible multiple voltage output - Google Patents
A kind of HVDC electric power system set of cells of compatible multiple voltage output Download PDFInfo
- Publication number
- CN205725113U CN205725113U CN201620268878.8U CN201620268878U CN205725113U CN 205725113 U CN205725113 U CN 205725113U CN 201620268878 U CN201620268878 U CN 201620268878U CN 205725113 U CN205725113 U CN 205725113U
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- battery module
- cells
- electric power
- power system
- control circuit
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Abstract
The utility model discloses the HVDC electric power system set of cells of a kind of compatible multiple voltage output, the set of cells that is composed in series including N+1 battery module unit, battery module voltages testing circuit, battery module ON-OFF control circuit, wherein: N >=1；Described battery module voltages testing circuit is connected with battery module ON-OFF control circuit；Described set of cells is connected with battery module voltages testing circuit and battery module ON-OFF control circuit respectively；Each battery module unit is in series by a 48V battery module and a single-pole double-throw switch (SPDT).This utility model can use in the standby electricity set of cells of 240V or the 336V HVDC electric power system such as communication base station, communications equipment room, the electricity of each battery module in set of cells can also be made to discharge, the energy making set of cells is fully exploited, it is achieved that equalization discharge and charge balancing.
Description
Technical field
This utility model relates to the power circuit field of electronic product, refers more particularly to a kind of compatible
The HVDC electric power system set of cells of multiple voltage output.
Background technology
In the communications industry, battery-powered mode in early days is-48V or Alternating Current Power Supply, with
The development of HVDC electric power system technology, use 240V or 336V the most more and more widely
HVDC high power battery group electric power system substitute original exchange ups system and-48V is straight
Stream power-supply system, after using HVDC to power, system decreases the loss of inversion link power,
Reduce power attenuation, make the lower power consumption 20% of Communication Power Equipment, meet energy-saving and emission-reduction
Demand.And owing to having lacked inverter, equipment investment link also saves the expense of 20%, simultaneously by
Simplifying in system, under same power situation, electric current diminishes, and power supply reliability is also greatly improved, and
The also machine of direct current is powered and is more easily implemented, and has higher reliability.To HVDC electric power system,
In the company standard of the HVDC electric power system of CHINAUNICOM and China Telecom, use
The HVDC electric power system of 240V voltage, then have employed 336V in the company standard of China Mobile
The HVDC electric power system of voltage, both are incompatible.
For the set of cells using HVDC to power, existing set of cells is multimode series connection, each
Battery module voltages is 48V, constitutes HVDC battery group after being connected by multiple battery modules,
In the company standard of the HVDC electric power system of CHINAUNICOM and China Telecom, use 240V
The HVDC electric power system (5 block coupled in series) of voltage, in the company standard of China Mobile then
Have employed the HVDC electric power system (7 block coupled in series) of 336V voltage, result in two germlines
System has bigger diversity on voltage, and cannot be compatible so that existing high straightening on market
Galvanic battery group electric power system is difficult to adapt to the company standard of two kinds of different voltage requests simultaneously.
Utility model content
The purpose of this utility model is to overcome above-mentioned weak point of the prior art to provide one
Plant the HVDC electric power system battery of the compatible multiple voltage output of life-span length, low cost
Group.
This utility model realizes in the following way:
The HVDC electric power system set of cells of a kind of compatible multiple voltage output, its feature exists
In: include set of cells 1, battery module voltages detection that N+1 battery module unit be composed in series
Circuit 2, battery module ON-OFF control circuit 3, wherein: N >=1；Described battery module voltages is examined
Slowdown monitoring circuit 2 is connected with battery module ON-OFF control circuit 3；Described set of cells 1 respectively with battery
Module voltage testing circuit 2 is connected with battery module ON-OFF control circuit 3；Each battery module
Unit is in series with a single-pole double-throw switch (SPDT) 12 by a 48V battery module 11.
The beneficial effects of the utility model are: the set of cells of HVDC electric power system can be made to produce
Product can simultaneously compatible two kinds of output voltages of 240V and 336V, it is possible to compatibility more exports electricity
Pressure demand, makes HVDC battery set product can decrease product category with normalization and standardization,
Reducing production cost, and improve production efficiency, set of cells can be carried out superfluous by the method simultaneously
Remaining design, improves the reliability of HVDC battery group, too increases the safety of set of cells.
Accompanying drawing explanation
Fig. 1 this utility model structural representation.
Detailed description of the invention
In conjunction with accompanying drawing in detail, this utility model detailed description of the invention is described in detail:
As it is shown in figure 1, the HVDC electric power system battery of a kind of compatible multiple voltage output
Group, the detection of the set of cells 1 being composed in series including N+1 battery module unit, battery module voltages
Circuit 2, battery module ON-OFF control circuit 3, wherein: N >=1；Battery module voltages detection electricity
Road 2 is connected with battery module ON-OFF control circuit 3；Set of cells 1 respectively with battery module voltages
Testing circuit 2 is connected with battery module ON-OFF control circuit 3；Each battery module unit is by one
Individual 48V battery module 11 is in series with a single-pole double-throw switch (SPDT) 12.
Set of cells 1, battery module that this utility model is composed in series by 7 battery module unit are electric
Pressure testing circuit 2, battery module ON-OFF control circuit 3；Each battery module unit is 48V, electricity
Pond modular unit is by its of the positive pole of a 48V battery module 11 and a single-pole double-throw switch (SPDT) 12
In a throw switch (throwing for a left side in figure) be connected, another throw switch of single-pole double-throw switch (SPDT) 12 (figure
In throw for the right side) be connected with the negative pole of 48V battery module 11, and with next Battery pack module list
Unit connects, and the common end of single-pole double-throw switch (SPDT) 12 is connected with a upper Battery pack modular unit；Battery
In group 1, one has 7 Battery pack modular units and is composed in series.Battery module voltages testing circuit 2 is right
The real-time voltage of 48V battery module 11 detects, and battery module ON-OFF control circuit 3 is according to inspection
48V battery module 11 real-time voltage measured controls accordingly；When product is applicable to 336V
During set of cells, battery module ON-OFF control circuit 3 is double by hilted broadsword in all 48V battery modules 11
The left throw switch of throw switch 12 is connected；When set of cells 1 is for 240V HVDC battery group,
Battery module voltages testing circuit 2 persistently detects the electricity of every batteries modular unit in set of cells 1
Pressure, the ON-OFF control circuit of set of cells 1 controls out according to the battery module unit voltage detected
The adjustment closed, makes in each time period in set of cells at the switch of 2 battery modules that voltage is minimum
Throwing bypass condition in the right side, other 5 batteries module is then in a switch left side and throws conducting state and come load
Power supply (electric discharge), set of cells 1 instant switching in discharge process participates in the battery module of electric discharge.
When in charged state, set of cells opens 1 pass control circuit according to the battery module unit electricity detected
Pressure controls the adjustment of switch, makes 2 batteries that in each time period, in set of cells 1, voltage is the highest
The switch of modular unit is in the right side and throws bypass condition, and other 5 battery module unit are then in switch
A left side is thrown conducting state and is charged set of cells 1；The set of cells 1 each moment in charging process
Preferentially charge with 5 battery module unit that voltage is relatively low, immediately switch the battery module being electrically charged
Unit；And when in set of cells 1, certain battery module unit breaks down (such as certain batteries mould
Block internal short-circuit or open circuit), it is also possible to the battery module unit of open failure in real time, is saved by other
Battery module unit continues series-fed or charging, and the charging/discharging function of set of cells 1 is unaffected,
Thus ensure that reliability and the safety of set of cells 1.
In the application, battery module voltages testing circuit 2 is in real time to battery mould each in set of cells 1
The voltage of module unit detects, and the battery module ON-OFF control circuit 3 of set of cells 1 is according to detection
The battery module unit voltage arrived, adjusts on-off control, makes the batteries module list that voltage is minimum
The switch of unit is in the right side and throws bypass condition, and the switch of other batteries modular unit is in a left side and throws conducting
State, now the output voltage of set of cells is the N batteries modular unit series voltage that voltage is higher
(output voltage is 48V*N).
The electronic circuit using relay or equivalent single-pole double-throw switch (SPDT) function in this utility model comes
Substitute single-pole double-throw switch (SPDT) 12.
Claims (1)
1. a HVDC electric power system set of cells for compatible multiple voltage output, its feature exists
In: include set of cells (1), battery module voltages inspection that N+1 battery module unit be composed in series
Slowdown monitoring circuit (2), battery module ON-OFF control circuit (3), wherein: N >=1；Described battery module
Voltage detecting circuit (2) is connected with battery module ON-OFF control circuit (3)；Described set of cells
(1) respectively with battery module voltages testing circuit (2) and battery module ON-OFF control circuit (3)
It is connected；Each battery module unit is by a 48V battery module (11) and a single-pole double throw
Switch (12) is in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620268878.8U CN205725113U (en) | 2016-04-01 | 2016-04-01 | A kind of HVDC electric power system set of cells of compatible multiple voltage output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620268878.8U CN205725113U (en) | 2016-04-01 | 2016-04-01 | A kind of HVDC electric power system set of cells of compatible multiple voltage output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205725113U true CN205725113U (en) | 2016-11-23 |
Family
ID=57312423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620268878.8U Expired - Fee Related CN205725113U (en) | 2016-04-01 | 2016-04-01 | A kind of HVDC electric power system set of cells of compatible multiple voltage output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205725113U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599314A (en) * | 2018-05-24 | 2018-09-28 | 李勇 | Single-phase inversion charge/discharge control circuit and its control method based on battery pack H bridge cascaded structures |
| CN109713748A (en) * | 2018-12-25 | 2019-05-03 | 中南新能源技术研究院(南京)有限公司 | New energy battery structure |
| CN109787327A (en) * | 2019-03-18 | 2019-05-21 | 福建飞毛腿动力科技有限公司 | A kind of lithium ionic cell module management circuit |
| CN110336349A (en) * | 2019-07-03 | 2019-10-15 | 苏州穿山甲机器人股份有限公司 | Safe power supply charging equipment |
| CN110970988A (en) * | 2019-12-24 | 2020-04-07 | 滁州安瑞电力自动化有限公司 | Direct current screen capable of outputting multiple paths of voltage grades |
| CN111431232A (en) * | 2020-03-31 | 2020-07-17 | 清华大学 | Retired battery module protected by flexible connection |
| CN111431231A (en) * | 2020-03-31 | 2020-07-17 | 清华大学 | Battery grouping framework based on flexible connection and redundancy |
-
2016
- 2016-04-01 CN CN201620268878.8U patent/CN205725113U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599314A (en) * | 2018-05-24 | 2018-09-28 | 李勇 | Single-phase inversion charge/discharge control circuit and its control method based on battery pack H bridge cascaded structures |
| CN109713748A (en) * | 2018-12-25 | 2019-05-03 | 中南新能源技术研究院(南京)有限公司 | New energy battery structure |
| CN109787327A (en) * | 2019-03-18 | 2019-05-21 | 福建飞毛腿动力科技有限公司 | A kind of lithium ionic cell module management circuit |
| CN110336349A (en) * | 2019-07-03 | 2019-10-15 | 苏州穿山甲机器人股份有限公司 | Safe power supply charging equipment |
| CN110970988A (en) * | 2019-12-24 | 2020-04-07 | 滁州安瑞电力自动化有限公司 | Direct current screen capable of outputting multiple paths of voltage grades |
| CN111431232A (en) * | 2020-03-31 | 2020-07-17 | 清华大学 | Retired battery module protected by flexible connection |
| CN111431231A (en) * | 2020-03-31 | 2020-07-17 | 清华大学 | Battery grouping framework based on flexible connection and redundancy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20210401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |