CN104716674A - Charging and discharging compensation system for series storage battery pack - Google Patents
Charging and discharging compensation system for series storage battery pack Download PDFInfo
- Publication number
- CN104716674A CN104716674A CN201310668765.8A CN201310668765A CN104716674A CN 104716674 A CN104716674 A CN 104716674A CN 201310668765 A CN201310668765 A CN 201310668765A CN 104716674 A CN104716674 A CN 104716674A
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- Prior art keywords
- batteries
- storage battery
- charging
- intelligent charger
- discharging
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a charging and discharging compensation system for a series storage battery pack. The charging and discharging compensation system comprises intelligent chargers, a storage battery pack, a switching circuit and a load. The charging and discharging compensation system is characterized in that the storage battery pack is formed by connecting of multiple storage batteries in a series mode, each storage battery is connected with the corresponding intelligent charger, the load is connected with the storage battery pack, and an external charging power source is connected with the storage battery pack and each intelligent charger through the switching circuit. Each storage battery is connected with the corresponding intelligent charger in a parallel mode. The two ends of the load are connected with the two ends of the storage battery pack. The charging and discharging compensation system has the advantages that during the charging process, the system can carry out individualized charging on the batteries with different capacities, so that it is guaranteed that each battery can be charged full; during the discharging process, the system can carry out current compensation on the batteries with low capacities, so that the discharging time of the batteries with low capacities is prolonged, and the energy capacity of the batteries with high capacities can be released as much as possible; under an extreme condition, during the discharging process, if individual batteries are in an open circuit state, discharging can still be sustained by the system until the capacities of the batteries are completely released.
Description
Technical field
What the present invention relates to is a kind of charge and discharge balancing technology of series-connected batteries.
Background technology
Batteries is widely used in the systems such as electric power, telecommunications, building, electric automobile, back-up source as system uses, batteries adopts the connected mode of series connection mostly, due to the quality discrepancy of battery, after causing repeatedly discharge and recharge, percentage of batteries capacity declines, and even there is the phenomenon of partial destruction.If there is the battery of damage in the battery pack of series connection, when discharging, the too early star t-up discharge protection of system can be caused; and stop electric discharge; now most of good battery, still have a lot of rich capacity not to be released, and the system made does not play the effect of due stand-by power supply.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of discharge and recharge bucking-out system of series-connected batteries, this system, when charging, can be carried out personalization charging to the battery of different capabilities, guarantee that each battery all can be full of; When discharging, can carry out current compensation by the battery low to capacity, make the battery of low capacity to extend discharge time, the battery energy capacity of high power capacity discharges as far as possible; In extreme circumstances, if there is Individual cells to open a way during electric discharge, native system still can continuous discharge, until battery capacity drains.
The present invention is achieved by the following technical solutions: a kind of discharge and recharge bucking-out system of series-connected batteries, comprise system intelligence charger, batteries, commutation circuit, load composition, it is characterized in that: batteries is composed in series by some joint storage batterys, each storage battery is connected to an intelligent charger respectively; Load is connected with batteries; External charge power supply connects batteries and each intelligent charger by commutation circuit.Each storage battery is parallel with an intelligent charger respectively.The two ends of load are connected with the two ends of batteries.External charge power supply connects each intelligent charger by commutation circuit, the anode of the intelligent charger that the anode of external charge power supply is in parallel all, the negative terminal of the intelligent charger that the negative terminal of external charge power supply is in parallel all.External charge power supply connects batteries by commutation circuit, and the anode of external charge power supply connects the batteries anode after connecting, and the negative terminal of external charge power supply connects the batteries negative terminal after connecting.Described intelligent charger is made up of controllable electric power, charge controller, current sensor, voltage sensor, the output line of controllable electric power is serially connected with current sensor, a pair output line of controllable electric power is connected to voltage sensor, the control termination charge controller of controllable electric power, current sensor and voltage sensor.
The present invention has following beneficial effect: this system, when charging, can be carried out personalization charging to the battery of different capabilities, guarantee that each battery all can be full of; When discharging, can carry out current compensation by the battery low to capacity, make the battery of low capacity to extend discharge time, the battery energy capacity of high power capacity discharges as far as possible; In extreme circumstances, if there is Individual cells to open a way during electric discharge, native system still can continuous discharge, until battery capacity drains.
Accompanying drawing explanation
Accompanying drawing 1 is principle connection layout of the present invention, and accompanying drawing 2 is intelligent charger schematic diagram of the present invention.
Figure comprises system intelligence charger 1, batteries, commutation circuit 2, load 3 form, and it is characterized in that: batteries is composed in series by some joint storage batterys 4, each storage battery is connected to an intelligent charger respectively; Load is connected with batteries; External charge power supply 5 connects batteries and each intelligent charger by commutation circuit.Each storage battery is parallel with an intelligent charger respectively.The two ends of load are connected with the two ends of batteries.External charge power supply connects each intelligent charger by commutation circuit, the anode 7 of the intelligent charger that the anode 6 of external charge power supply is in parallel all, the negative terminal 9 of the intelligent charger that the negative terminal 8 of external charge power supply is in parallel all.External charge power supply connects batteries by commutation circuit, and the anode of external charge power supply connects the batteries anode 10 after connecting, and the negative terminal of external charge power supply connects the batteries negative terminal 11 after connecting.Described intelligent charger is made up of controllable electric power 21, charge controller 22, current sensor 23, voltage sensor 24, the output line of controllable electric power is serially connected with current sensor, a pair output line of controllable electric power is connected to voltage sensor, the control termination charge controller of controllable electric power, current sensor and voltage sensor.
Commutation circuit 3 can allow charging input or the series connection total voltage of storage battery according to specified conditions, is linked into the input of each intelligent charger.
When charging, the energy of charging input enters into each intelligent charger through commutation circuit, and intelligent charger can charge separately to connected storage battery, guarantees that each cell safety is full of reliably; When needs discharge, commutation circuit total voltage of being connected by storage battery is connected to each intelligent charger, intelligent charger determines whether exporting offset current according to the capacity of connected storage battery or voltage, under extreme case, during certain battery pack open circuit, can provide output current by the intelligent charger connected, thus guarantee system still normally can work
The internal structure of intelligent charger 1, as Fig. 2, is made up of four parts: controllable electric power 21, charge controller 22, current sensor 23, voltage sensor 24; During charging, voltage sensor 24 can detect storage battery 4 voltage that intelligent charger 1 connects, and current sensor 23 can detect storage battery 4 charging current, and charge controller 22 controls controllable electric power 21, exports the charging curve that suitable electric current meets storage battery 4; During electric discharge when by voltage sensor 24, charge controller detects that storage battery forces down, start controllable electric power 21 and be provided as storage battery 4 offset current, thus reach the object of equalization discharge, in extreme circumstances, when certain joint storage battery 4 is opened a way, discharging current can all be compensated by intelligent charger 1.
Claims (6)
1. the discharge and recharge bucking-out system of a series-connected batteries, comprise system intelligence charger, batteries, commutation circuit, load composition, it is characterized in that: batteries is composed in series by some joint storage batterys, each storage battery is connected to an intelligent charger respectively; Load is connected with batteries; External charge power supply connects batteries and each intelligent charger by commutation circuit.
2., by the discharge and recharge bucking-out system of a kind of series-connected batteries according to claim 1, it is characterized in that: each storage battery is parallel with an intelligent charger respectively.
3., by the discharge and recharge bucking-out system of a kind of series-connected batteries according to claim 1, it is characterized in that: the two ends of load are connected with the two ends of batteries.
4. by the discharge and recharge bucking-out system of a kind of series-connected batteries according to claim 1, it is characterized in that: external charge power supply connects each intelligent charger by commutation circuit, the anode of the intelligent charger that the anode of external charge power supply is in parallel all, the negative terminal of the intelligent charger that the negative terminal of external charge power supply is in parallel all.
5. by the discharge and recharge bucking-out system of a kind of series-connected batteries according to claim 1, it is characterized in that: external charge power supply connects batteries by commutation circuit, the anode of external charge power supply connects the batteries anode after connecting, and the negative terminal of external charge power supply connects the batteries negative terminal after connecting.
6. by the discharge and recharge bucking-out system of a kind of series-connected batteries according to claim 1, it is characterized in that: described intelligent charger is made up of controllable electric power, charge controller, current sensor, voltage sensor, the output line of controllable electric power is serially connected with current sensor, a pair output line of controllable electric power is connected to voltage sensor, the control termination charge controller of controllable electric power, current sensor and voltage sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310668765.8A CN104716674A (en) | 2013-12-11 | 2013-12-11 | Charging and discharging compensation system for series storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310668765.8A CN104716674A (en) | 2013-12-11 | 2013-12-11 | Charging and discharging compensation system for series storage battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104716674A true CN104716674A (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310668765.8A Pending CN104716674A (en) | 2013-12-11 | 2013-12-11 | Charging and discharging compensation system for series storage battery pack |
Country Status (1)
| Country | Link |
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| CN (1) | CN104716674A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356526A (en) * | 2015-09-08 | 2016-02-24 | 上海空间电源研究所 | Single-charging and single-cutting charging method and charging system for storage batteries |
| CN108155707A (en) * | 2018-02-01 | 2018-06-12 | 深圳奥特迅电力设备股份有限公司 | A kind of DC bus powered system and its control method |
| CN111323716A (en) * | 2020-05-12 | 2020-06-23 | 陈永强 | Device and method for judging reliability of battery capacity and method for improving performance of storage battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449085A (en) * | 2003-05-13 | 2003-10-15 | 长沙交通学院 | Accumulator, super capacitor charge-discharge equalizing method and equipment |
| CN103036258A (en) * | 2011-10-08 | 2013-04-10 | 上海锂曜能源科技有限公司 | Battery pack balancing system and method |
| JP2013081316A (en) * | 2011-10-04 | 2013-05-02 | Toyota Motor Corp | Charging control device of series-parallel cell system |
| CN203800629U (en) * | 2013-12-11 | 2014-08-27 | 宝星电器（上海）有限公司 | Charge-discharge compensation system for series storage battery |
-
2013
- 2013-12-11 CN CN201310668765.8A patent/CN104716674A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449085A (en) * | 2003-05-13 | 2003-10-15 | 长沙交通学院 | Accumulator, super capacitor charge-discharge equalizing method and equipment |
| JP2013081316A (en) * | 2011-10-04 | 2013-05-02 | Toyota Motor Corp | Charging control device of series-parallel cell system |
| CN103036258A (en) * | 2011-10-08 | 2013-04-10 | 上海锂曜能源科技有限公司 | Battery pack balancing system and method |
| CN203800629U (en) * | 2013-12-11 | 2014-08-27 | 宝星电器（上海）有限公司 | Charge-discharge compensation system for series storage battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356526A (en) * | 2015-09-08 | 2016-02-24 | 上海空间电源研究所 | Single-charging and single-cutting charging method and charging system for storage batteries |
| CN105356526B (en) * | 2015-09-08 | 2018-06-12 | 上海空间电源研究所 | A kind of accumulator singly cuts charging method and charging system with singly filling |
| CN108155707A (en) * | 2018-02-01 | 2018-06-12 | 深圳奥特迅电力设备股份有限公司 | A kind of DC bus powered system and its control method |
| CN111323716A (en) * | 2020-05-12 | 2020-06-23 | 陈永强 | Device and method for judging reliability of battery capacity and method for improving performance of storage battery |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161019 Address after: 201507, 5, building 343, building 3688, Ting Wei Road, Cao Jing Town, Shanghai, Jinshan District Applicant after: Shanghai Baoxing Yimaijie Enterprise Development Co., Ltd. Address before: Fengxian District Zhelin town Shanghai City Hu Zhuang 200032 branch No. 67 building fifth Applicant before: Shanghai Bao-Star Electronics Co., Ltd. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170516 Address after: 200237, Shanghai, Minhang District Hongmei South Road, No. 1755, a layer of PA1057 room Applicant after: Shanghai Yi Yu Electronic Technology Co., Ltd. Address before: 201507, 5, building 343, building 3688, Ting Wei Road, Cao Jing Town, Shanghai, Jinshan District Applicant before: Shanghai Baoxing Yimaijie Enterprise Development Co., Ltd. |
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Application publication date: 20150617 |
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