CN104810886B - Intelligent battery group and its connection circuit - Google Patents
Intelligent battery group and its connection circuit Download PDFInfo
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- CN104810886B CN104810886B CN201510173174.2A CN201510173174A CN104810886B CN 104810886 B CN104810886 B CN 104810886B CN 201510173174 A CN201510173174 A CN 201510173174A CN 104810886 B CN104810886 B CN 104810886B
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- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 8
- 230000005669 field effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 12
- 230000005611 electricity Effects 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 10
- 230000008439 repair process Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004092 self-diagnosis Methods 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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- H02J7/0021—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of intelligent battery group and its connection circuit.The connection circuit includes two or more series-connected cell unit, and each battery is equipped with three switches, and a pole of each battery connects one end of one the 3rd switch, and another pole of the other end connection adjacent cell of the 3rd switch forms series battery；One pole of each battery electrically connects by a second switch with the homopolarity of a detection circuit port and the stand-by power supply；Another pole of each battery pack electrically connects by one the 3rd switch one first switch of series connection with the homopolarity of a detection circuit port and the stand-by power supply.The intelligent battery group includes connection circuit.The present invention can realize the independent control to each battery unit in batteries, and realize and the real-time automatic monitoring of batteries, automatic trouble diagnosis and automatic fault are smoothly repaired, can effective increasing storage battery service life, prevent electrical equipment and be damaged, and can use manpower and material resources sparingly.
Description
This case is to application title " having the intelligent battery group and its connection circuit from maintenance function ", the applying date 2012
On November 6, in, the divisional application of application number 201210438831.8.
Technical field
It is more particularly to a kind of that there is Autonomous test, self diagnosis, the intelligence of self-repair function the present invention relates to a kind of batteries
Batteries and its connection circuit.
Background technology
Often there is Problem of Failure in actual use in batteries at present, and its performance is generally：In making for batteries
In, lagging batteries are not found in time early stage, cause batteries deterioration accumulation, aggravation, cause in batteries deterioration
Battery premature failure.And it has been reported that during batteries power supply capacity deficiency, the backwardness single-unit typically in batteries
Caused by battery.
By taking the offline batteries of Office of the Telecommunications Authority as an example, found in actual capacity recovery operation in recent years, usual one
Group storage battery only has 1~2 dead battery.If behindhand battery can not be detected in time, in order to ensure the reliable of communication power supply
Property it is necessary to whole group change battery, this just not only increases maintenance workload, and a large amount of batteries can be caused useless by wrong report,
But in fact many units are at this state now.
The maintenance of battery at present is specifically carried out based on daily detection and prospective maintenance to batteries
Regularly verification property discharge test and volume test, is changed and maintenance process further according to the result of test to battery.This
A little tests are required for testing staff to show up carrying out expending a large amount of manpower and materials.But recently it has been observed that using battery management
(BMS) importance that technology is applied for batteries.Preferable BMS technologies should have following functions：
(1) SOC estimates：The state-of-charge SOC of accurate estimation batteries, i.e. battery dump energy, ensure that SOC is maintained
In rational scope, prevent due to the damage of overcharge or overdischarge to battery, it is more so as to forecast that energy-storage battery there remains at any time
The state-of-charge of few energy or energy-storage battery.
(2) dynamic monitoring：In battery charge and discharge process, in real time gather batteries in every piece of battery terminal voltage and
Temperature, charging and discharging currents and battery bag total voltage, prevent battery from overcharge or overdischarge phenomenon occurs.It can provide in time simultaneously
Battery condition, problematic battery is picked out, make remaining capacity estimation model is implemented as possibility.
(3) equilibrium between battery：As cell equalizaing charge, each battery in batteries is set all to reach equilibrium one
The state of cause.
But current most of battery management techniques are not well positioned to meet the demand of practical application, reason is：
First, it is difficult to each cell isolating independent detection from batteries circuit；Pinpointed the problems second, working as
During battery, it is impossible to repair immediately.
Shown in Figure 1 is a kind of new battery management technique gone out on latest developments, and its operation principle is substantially：
The supplying power for outside of batteries lies prostrate for V=K ε, and ε is the electromotive force of cell, wherein using N>K battery connects
Connect.For i-th of battery, as switch SI, 1Closure while SI, 2During opening, battery i access circuit loops；As switch SI, 1Open same
When SI, 2During closure, battery i branch circuit loops.When without loss of generality, by taking N=K+1 as an example：Assuming that n-th electricity during normal work
Pond bypasses, and now finds that i-th of battery breaks down (short circuit or electric energy will exhaust), then repair action is to access battery N,
By battery i branch.The technology can realize instant reparation, but switch S in actual repair actionI, 1And SI, 2Operation it is inevitable
Whole batteries loop moment can be made to disconnect and then close, moment impact electric current will necessarily be produced among these, so as to shadow
Ring electrical equipment normal work, or even damage electrical equipment.
The content of the invention
The present invention is intended to provide a kind of intelligent battery group and its connection circuit having from maintenance function, it can be realized pair
The independent control of each battery unit in batteries, and realize real-time automatic monitoring to batteries, automatic trouble diagnosis
Smoothly repaired with automatic fault, so as to overcome deficiency of the prior art.
For achieving the above object, present invention employs following technical scheme：
A kind of intelligent battery group connection circuit having from maintenance function, including the two or more battery list being arranged in series
Member, wherein, a pole of a battery unit be concatenated successively one the 3rd switch set and a first switch with one detect port and
The pole electrical connection of stand-by power supply, another second switch of pole one and another detection port and another extremely electricity of the stand-by power supply
Connection.
As more one of preferred embodiment, a pole of first battery unit in the two or more battery unit
Electrically connected through one the 3rd switch with one end of load and/or charge power supply, another pole of last battery unit is born with described
Carry and/or the other end of charge power supply electrically connects, and the pole and last battery unit except first battery unit
Outside another pole, the one of each battery unit extremely switchs and another battery list before the battery unit through one the 3rd
Another pole electrical connection of member.Wherein, when the batteries, which connect circuit, to be connected simultaneously with load and charge power supply, system work
In floating charge state.
As more one of preferred embodiment, the first switch, second switch, third switch are opened using controllable
Close, any one of the gate-controlled switch at least in field-effect transistor and relay.
Also, the field-effect transistor includes MOSFET field-effect transistors.
Any one of the relay at least in solid-state relay, contact relay and light coupling relay.
As more one of preferred embodiment, the batteries connect circuit also with least to control described the
The control unit connection of one switch, second switch and the 3rd switch.That is, control unit can select one in all switches or
It is multiple, it individually, synchronously or according to setting order is closed or is disconnected.
As more one of preferred embodiment, if contained battery unit is N number of in batteries, N, which takes, to be more than or waits
In 2 positive integer, then the batteries connection circuit is at least with any one in following mode of operation：
(1) when the connection for cutting off batteries connection circuit and stand-by power supply, and by all first switches and second
Switch is opened, while all three switches are closed, then batteries are in normal operating conditions, and connect charge power supply
And/or load realization is charged normal or discharged；
(2) when the connection for cutting off batteries connection circuit and stand-by power supply, and will except with i-th of battery unit
All first switches, second switch and the 3rd switch outside the first switch of cooperation, second switch and the 3rd switch are all beaten
Open, then, the i-th battery unit is isolated out, and the running status of i-th battery unit is examined in real time by detecting port
Survey, i is any positive integer in 1~N；
(3) when the load and/or charging equipment access the batteries connection circuit, if the i-th battery unit goes out
Existing failure, then：
A. if short circuit occurs for the i-th battery unit：Be first turned on i-th battery unit coordinate the 3rd switch, by this i-th
Battery unit bypasses, and the first switch and second switch that then closure coordinates with i-th battery unit, accesses stand-by power supply reparation
Failure, now remaining first switch and second switch are opened；
B. the i-th battery unit is if desired made to be stopped：First closure with i-th battery unit coordinate first switch and
Second switch, make i-th battery unit and the reserve battery accessed in parallel, then open the with i-th battery unit cooperation
Three switches, i-th battery unit are bypassed, now failure is repaired.
Further, the batteries connection circuit also has following mode of operation：
(4) charging of stand-by power supply：
Opened when by all first switches and second switch, while all three switches are closed, and by standby electricity
The batteries connection circuit, closure and the first switch and second switch of the cooperation of the i-th battery unit are accessed in source, then standby electricity
Charged with the i-th battery units in parallel in source；Charged in this way, realizing stand-by power supply timeshare rotation with each battery units in parallel.
It is a kind of to have from the intelligent battery group for overhauling function, including the intelligence storage as described above having from maintenance function
Battery back connection circuit.
Further, it is described that there is the intelligent battery group from maintenance function also to include：
For gathering and the monitoring of the working condition related data of each battery unit and detection unit in batteries；
Control unit, including：
At least it is used for the work shape for adjusting all first switches, second switch and the 3rd switch in batteries connection circuit
The switch driving circuit of state, and,
The control module being connected with switch driving circuit and monitoring with detection unit.
The control module includes calculating and control process unit, and the calculating is with control process unit also through communicating with depositing
Storage unit is connected with communication, alarm equipment.
Compared with prior art, advantage of the present invention at least that：
(1) under batteries off working state, realize each battery units of batteries is implemented isolation from
Dynamic detection, and detection data are stored or remotely reported automatically；
(2) under batteries working condition, real-time monitoring, diagnosis to each battery unit working condition are realized,
And the battery that can pinpoint the problems in time；
(3) for finding the problem of battery, can automatically repair, can be alerted after reparation, make batteries still can be with
Normal work, rush repair is avoided, used manpower and material resources sparingly.
Brief description of the drawings
Fig. 1 is a kind of existing batteries attachment structure schematic diagram；
Fig. 2 is the structural representation of batteries connection circuit in a preferred embodiment of the present invention；
Fig. 3 is the structured flowchart for having in a preferred embodiment of the present invention the intelligent battery group from maintenance function.
Embodiment
Technical scheme is further described below in conjunction with a preferred embodiment and accompanying drawing.
As it was previously stated, many deficiencies be present in existing battery management technique, be provided with inventor it is a kind of new
Batteries connect circuit, as shown in fig.2, an exemplary embodiments as batteries connection circuit, it includes compiling
Number multiple battery units for being 1 to i (can be the combination of cell or multiple cells, be referred to as " electricity below
Pond "), i=1,2 ... N, N are positive integer more than or equal to 2, the specifications and models all same of each of which battery, and its is specified
Charging voltage is ε, then the nominal charging voltage of batteries is N ε.
And simultaneously, a series of switch S is also included in the embodimentI, n, in the present embodiment, n is selected from 1,2 or 3, and it can
It is respectively defined as first switch, second switch and the 3rd switch.
Postscript, also include an at least stand-by power supply in the embodiment, it can be a capacity phase identical with battery i voltages
Same or different battery or a special D.C. regulated power supply, output voltage are consistent with battery unit.
Fig. 2 is further regarded to, the mode of operation of the embodiment is as follows：
1) as switch SI, 1And SI, 2, it is fully open, while SI, 3All closure, wherein i=1,2 ... N, batteries are in
Normal operating conditions, connection charge power supply either load (electrical equipment) and charging are just realized as conventional accumulators group or is put
Electricity.
2) when stand-by power supply disconnection, except SI, 1, SI, 2And SI, 3Outside closure, rest switch is fully open, now i-th of electricity
Pond is isolated out, is connected to monitoring unit and is detected.It is real afterwards that this function disconnects electrical equipment (load) for batteries
It is highly effective to apply automatic inflatable electro-detection.
When stand-by power supply disconnection, except SI, 1, SI, 2Outside all three switch closures, rest switch is fully open, now
I-th of battery is connected to monitoring unit progress running status and detected in real time.
3) in batteries external load or charging equipment, system is entered to the voltage, electric current and electricity of each piece of battery
Row monitoring, once find that a certain piece of battery breaks down, it is assumed that it is i-th piece of battery, then：
A. if because of situations such as breakdown short circuit occurs for battery i：It is first turned on switching SI, 3Battery i is bypassed；Then close
SI, 1, SI, 2, access reserve battery or power supply repair failure, and alert.The inevitable batteries supplying power for outside of this situation has
Short interruption；
B. if battery i needs to be stopped for the transition that prevents from discharging, or excessive work on of internal resistance will cause whole group
Battery failure：S is closed firstI, 1, SI, 2, by battery i parallel connection reserve batteries, then open SI, 3Battery i is bypassed, now failure
It is repaired and alerts.Batteries supplying power for outside will not interrupt in recovery project, and ensure that output electricity to the full extent
The stabilization of pressure and electric current.
4) charging of reserve battery, can be completed by following two modes：
A. S is switchedI, 1And SI, 2, it is fully open, while SI, 3All closures, wherein i=1,2 ... N,；Reserve battery switchs
Closure；Timesharing closure switch SI, 1And SI, 2, with battery i charged in parallels；
B. special charging circuit is provided for reserve battery to charge respectively with other batteries；
C. without charging if stand-by power supply is not battery.
Further, for ease of each switch S to batteries connection circuitI, nIt is controlled, respectively switchs SI, nIt is preferred that adopt
With gate-controlled switch, MOSFET field-effect transistors, solid-state relay, contact relay, optocoupler relay are included but are not limited to
The various relays such as device, and realized by a control unit and the working condition of these gate-controlled switches is automatically controlled.The control
Unit processed may include a switch driving circuit and a control module, and switch driving circuit system coordinates with each gate-controlled switch, and by controlling
Molding block controls.Obvious, the control module can use the equipment such as the usual computer system of industry, single-chip microcomputer, PLC, but not
It is limited to this.
By the design of aforementioned accumulator cells group connection circuit, following good effect can be at least produced：
(1) due to realizing the control to each battery unit in batteries, monitor and make in real time automatically realizing
In the case of fault diagnosis, can automatic smoothing repair failure, i.e. repair action avoids instant cut-off, ensure that storage as far as possible
The voltage and current of battery pack output is steady；
(2) battery unit of any one in batteries can be isolated from batteries circuit implementation inspection
Survey, so as to convenient remotely or automatically facilities and equipments detection and reported data.
One of typical case scheme as the embodiment, refering to be shown in Fig. 3 based on aforementioned accumulator cells group connect circuit
Structure has from the intelligent battery group for overhauling function, and it can realize Autonomous test, self diagnosis, selfreparing.
Further say, the intelligent battery group may include batteries connection circuit, switch driving circuit, calculating and control
Processing unit processed and monitoring and detection unit.
Obvious, aforementioned accumulator cells group connection circuit is realized monocell isolation detection in batteries and repaired in real time
Basis, wherein employ a series of gate-controlled switch, these are switched on-off can be by calculating and the decision-making of control process unit and referring to
Order, and realized via switch driving circuit.And for each battery in batteries working condition relevant information (such as electricity
Pressure, electric current, temperature etc.), it can be acquired by monitoring with detection unit, and be reported at calculating and control process unit
Reason, the status data (capacity and dump energy of such as each battery) of battery is drawn, and then by calculating and control process unit
Carry out decision-making and send instruction.
Further, also settable communication and memory cell in the intelligent battery group, use and realize depositing for historical data
Storage and long-range information reporting, alarm, remote control interaction etc., its function can be accepted or rejected according to actual needs.
It is pointed out that it is described above and in the embodiment shown on drawing, fixed of the invention set that be limited can not be parsed
Count thought.Holding identical skill in the technical field of the present invention can be by the technical thought of the present invention in the form of various
Improvement change, such improvement and change are interpreted as belonging in protection scope of the present invention.
Claims (7)
1. a kind of intelligent battery group connects circuit, include the series battery that N number of battery cells in series is formed, N to be more than or
Integer equal to 2, it is characterised in that each battery unit among the series battery is by a battery, a first switch, one
Second switch and one the 3rd switch composition,
A pole of battery is connected with one end of the 3rd switch in each battery unit, and the other end of the 3rd switch is opened with first
One end connection of pass, the other end of the first switch detect one end company of port circuit with a pole of a stand-by power supply and one simultaneously
Connecing, another pole of the battery is connected through second switch with another pole of the stand-by power supply and the other end of the detection port circuit,
Also, the other end of the 3rd switch and one end of first switch in first battery unit in the series battery
Also be connected simultaneously with load or a pole of charge power supply, another pole of the battery in n-th battery unit also through second switch and
Another pole of the load or charge power supply connects,
In addition, in addition to n-th battery unit, adjacent cell of another pole of battery also with downstream in remaining each battery unit
The other end connection of 3rd switch in unit,
One pole of any battery among the series battery and a pole of stand-by power supply, detect one end of port circuit, bear
Carry or a pole of charge power supply is all positive terminal or negative pole end.
2. intelligent battery group according to claim 1 connects circuit, it is characterised in that the first switch, second open
Pass, the 3rd, which switch, uses gate-controlled switch, and the gate-controlled switch is any one at least in field-effect transistor and relay
Kind；
Wherein, the field-effect transistor includes MOSFET field-effect transistors；
Any one of the relay at least in solid-state relay, contact relay and light coupling relay.
3. intelligent battery group according to claim 2 connects circuit, it is characterised in that the batteries connect circuit
Also with least to control the first switch, second switch and the 3rd switch control unit be connected.
4. a kind of intelligent battery group, it is characterised in that it includes the intelligent battery as any one of claim 1-3
Group connection circuit.
5. intelligent battery group according to claim 4, it is characterised in that it also includes：
For gathering and the monitoring of the working condition related data of each battery unit and detection unit in batteries；
Control unit, including：
At least it is used to adjust the working condition of all first switches, second switch and the 3rd switch in batteries connection circuit
Switch driving circuit, and,
The control module being connected with switch driving circuit and monitoring with detection unit.
6. intelligent battery group according to claim 5, it is characterised in that the control module is included at calculating and control
Manage unit.
7. intelligent battery group according to claim 6, it is characterised in that：The intelligent battery group also include communication with
Memory cell, the calculating are connected with control process unit through communicating with memory cell with communication, alarm equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173174.2A CN104810886B (en) | 2012-11-06 | 2012-11-06 | Intelligent battery group and its connection circuit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173174.2A CN104810886B (en) | 2012-11-06 | 2012-11-06 | Intelligent battery group and its connection circuit |
| CN201210438831.8A CN102969756B (en) | 2012-11-06 | 2012-11-06 | Intelligent storage battery pack with self-detection function and connection circuit thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210438831.8A Division CN102969756B (en) | 2012-11-06 | 2012-11-06 | Intelligent storage battery pack with self-detection function and connection circuit thereof |
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| Publication Number | Publication Date |
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| CN104810886A CN104810886A (en) | 2015-07-29 |
| CN104810886B true CN104810886B (en) | 2017-12-05 |
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| CN201510173174.2A Expired - Fee Related CN104810886B (en) | 2012-11-06 | 2012-11-06 | Intelligent battery group and its connection circuit |
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| CN104104119B (en) * | 2013-04-07 | 2017-03-01 | 力博特公司 | A kind of intelligent battery |
| US9592744B2 (en) | 2013-12-06 | 2017-03-14 | SZ DJI Technology Co., Ltd | Battery and unmanned aerial vehicle with the battery |
| CN105576747B (en) * | 2015-12-25 | 2018-08-03 | 广州亿航智能技术有限公司 | The power-supply management system and aircraft of more rotor manned aircraft |
| CN106450521B (en) * | 2016-10-28 | 2023-04-25 | 泉州华威国维电子科技有限公司 | Automatic inspection system for storage battery |
| CN106849260A (en) * | 2017-03-15 | 2017-06-13 | 中南大学 | A kind of battery pack protective circuit and method |
| CN107394844B (en) * | 2017-06-19 | 2019-02-15 | 广州汇安科技有限公司 | A kind of portable power source device and control method of highly reliable strong adaptability |
| CN110048501A (en) * | 2019-03-29 | 2019-07-23 | 国网山东省电力公司邹城市供电公司 | A kind of Intelligent switching device of battery group failure |
| CN110676530A (en) * | 2019-09-16 | 2020-01-10 | 常州工学院 | Thermal runaway prevention system for series battery pack |
| CN111794403A (en) * | 2020-06-23 | 2020-10-20 | 金松果新材料科技有限公司 | Modularization wall body with integrated form energy storage system |
| CN112751104A (en) * | 2020-12-31 | 2021-05-04 | 凯博能源科技有限公司 | Battery pack, battery system and battery pack thermal runaway control method |
| CN116885731B (en) * | 2023-06-06 | 2024-07-30 | 国网冀北电力有限公司承德供电公司 | Fault self-processing system of SVG reactive compensation device |
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| US4686379A (en) * | 1985-12-24 | 1987-08-11 | Eikoh Giken Co., Ltd. | No-break power supply system |
| CN101895155A (en) * | 2010-06-11 | 2010-11-24 | 哈尔滨工程大学 | Energy storage device with failure detection and automatic reconstruction function and reconstructing method |
| CN202333844U (en) * | 2011-12-23 | 2012-07-11 | 耿军 | N+1 storage battery pack on-line detection maintenance seamless power supply device |
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| Publication number | Publication date |
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| CN102969756B (en) | 2015-06-03 |
| CN102969756A (en) | 2013-03-13 |
| CN104810886A (en) | 2015-07-29 |
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