CN104051806B - Whole group storage battery and attending device thereof - Google Patents
Whole group storage battery and attending device thereof Download PDFInfo
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- CN104051806B CN104051806B CN201410252923.6A CN201410252923A CN104051806B CN 104051806 B CN104051806 B CN 104051806B CN 201410252923 A CN201410252923 A CN 201410252923A CN 104051806 B CN104051806 B CN 104051806B
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- 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
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging 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
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
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- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The whole group storage battery of the present invention and attending device thereof and maintaining method, maintenance device of storage battery with wait to safeguard that in whole group storage battery, accumulator is in parallel, in attending device, voltage collection circuit gathers accumulator both end voltage value, drive circuit is by the magnitude of voltage collected and predetermined voltage threshold comparison, when the magnitude of voltage collected is higher than predetermined voltage threshold, driving constant-current circuit works, when the magnitude of voltage collected is less than predetermined voltage threshold, control constant-current circuit to exit, i.e. external power source applies voltage to current accumulator, until current battery tension is normal.During whole, improve whole group of electric voltage equalization degree, it is to avoid overcharge or the charge less impact on monomer performance (life-span), realize the lifting of battery group capacity simultaneously, its work efficiency is high, function admirable.
Description
Technical field
The present invention relates to battery technology field, particularly relate to whole group storage battery and attending device thereof and maintenance
Method.
Background technology
In the systems such as electric power, DC power system is by charging device, accumulator, feeds out loop, regulator
With relevant control, measurement, signal, protect, regulate the equipment such as unit composition, for control, signal, continue
Electric protection, automaton and emergency lighting etc. provide reliable working power, are safe operation of power system
An important ring, the safety reliably and directly influencing safely whole power system of straight-flow system self.And with
Transformer station direct current system to put into operation being continuously increased of time, the problem exposed in straight-flow system is the most of common occurrence,
Distinct issues are: the accumulator battery of longtime running there will be more battery and falls behind, deteriorates, and makes
Become concordance difference, ultimately result in the vicious cycle of whole group storage battery hydraulic performance decline.
In order to improve the operational efficiency of accumulator, reduce the generation of problems set forth above, the most widely used
Corrective measure is broadly divided into following two: the 1) improvement of accumulator cell charging and discharging mechanism, as used pulse interval type
Charging modes, by electric current, the change of voltage, accomplishes that batch (-type) charges;2) storage battery activation, i.e. selects
Optimal activation opportunity, when accumulator occurs that deterioration (charge less) initial stage, (accumulator capacity was not less than nominal capacity
60%) time carry out activate work, extend the service life of accumulator battery with this.And in practical operation,
Substation equipment maintenance and repair, in the case of whole rent exists multiple deterioration (charge less) cell batteries, personnel
Use deteriorating accumulator out of service and utilize after transporting laboratory back activation instrument that it is carried out at activation more
Reason, the method there is also while obtaining certain effect throws the risk moving back accumulator battery, and activation week
The situations such as phase length, inefficiency.
Summary of the invention
Based on this, it is necessary to there is work efficiency for existing whole group storage battery attending device and method low,
The problem of poor performance, it is provided that a kind of work efficiency is high, the whole group storage battery of function admirable and attending device thereof with
Method.
A kind of whole group storage battery attending device, including voltage collection circuit, drive circuit, constant-current circuit and light
Electricity monitoring circuit;
Described voltage collection circuit, described drive circuit and described constant-current circuit are sequentially connected with, and described photoelectricity is supervised
It is connected in parallel with described drive circuit, described constant-current circuit respectively depending on circuit;
Described voltage collection circuit gathers waits to safeguard accumulator both end voltage value in whole group storage battery, and will gather
The magnitude of voltage transmission arrived is to described drive circuit, and described drive circuit is by the magnitude of voltage received and predeterminated voltage
Reference value compares, and when the magnitude of voltage received is higher than predeterminated voltage reference value, generates high level, drives institute
Stating constant-current circuit work, described constant-current circuit transmission constant current is to next adjacent battery, when receive
When magnitude of voltage is less than predeterminated voltage reference value, generate low level, so that described constant-current circuit exits, described perseverance
Current circuit stops transmission electric current to next adjacent battery, drive circuit described in described optoelectronic monitoring circuit supervision
With described constant-current circuit duty, when described drive circuit and/or described constant-current circuit occur abnormal, send out
Go out alarm signal.
A kind of whole group storage battery maintaining method, including step:
Gather and wait to safeguard accumulator both end voltage value in whole group storage battery, obtain and gather magnitude of voltage;
Magnitude of voltage and preset reference magnitude of voltage comparison will be gathered;
When described collection magnitude of voltage is higher than described preset reference magnitude of voltage, turns on and wait to safeguard in whole group storage battery
Accumulator two ends, to transmit constant current to next adjacent battery;
When described collection magnitude of voltage is less than described preset reference magnitude of voltage, disconnects and wait to safeguard in whole group storage battery
Accumulator two ends, to stop transmission constant current to next adjacent battery.
A kind of whole group storage battery, including multiple cell batteries and whole group storage battery attending device described above,
The plurality of cell batteries is connected in series, and described whole group storage battery attending device is with described cell batteries also
Connection connects.
The whole group storage battery of the present invention and attending device thereof and maintaining method, maintenance device of storage battery with wait to safeguard whole
In group storage battery, accumulator is in parallel, and in attending device, voltage collection circuit gathers accumulator both end voltage value, drives
Galvanic electricity road is by the magnitude of voltage collected and predetermined voltage threshold comparison, when the magnitude of voltage collected is higher than presetting electricity
During pressure threshold value, generating high level, drive constant-current circuit work, transmission constant current is to next adjacent battery
(current battery tension is too high, needs to stop applying external voltage) is when the magnitude of voltage collected is less than presetting
During voltage threshold, generate low level, control constant-current circuit and exit, stop transmission electric current to next adjacent electric power storage
Pond, i.e. external power source apply charging voltage to current accumulator, until current battery tension is normal (current
When battery tension is normal, gathering magnitude of voltage and can be higher than predetermined voltage threshold, constant-current circuit works, transmission perseverance
Determining electric current to next adjacent battery, external power source applies voltage no longer to current accumulator).During whole,
By arranging predetermined voltage threshold, according to the cell batteries both end voltage collected and predetermined voltage threshold ratio
Right, control the input of constant-current circuit or exit, to realize the maintenance to whole group storage battery, the most each list
Bulk voltage clamps to desired value, improves whole group of electric voltage equalization degree, it is to avoid overcharge or charge less is to the monomer performance (longevity
Life) impact, realize the lifting of battery group capacity simultaneously, its work efficiency is high, function admirable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention whole group storage battery first embodiment of attending device;
Fig. 2 is the structural representation of the present invention whole group storage battery second embodiment of attending device;
Fig. 3 is the structural representation of the present invention the 3rd embodiment of whole group storage battery attending device;
Fig. 4 is the schematic flow sheet of the present invention whole group storage battery first embodiment of maintaining method;
Fig. 5 is the schematic flow sheet of the present invention whole group storage battery second embodiment of maintaining method;
Fig. 6 is the structural representation of the present invention one of them example of whole group storage battery.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below according to accompanying drawing and reality
Execute example, the present invention is further elaborated.Should be appreciated that described herein being only embodied as
In order to explain the present invention, do not limit the present invention.
As it is shown in figure 1, a kind of whole group storage battery attending device, including voltage collection circuit 100, drive circuit
200, constant-current circuit 300 and optoelectronic monitoring circuit 400;
Described voltage collection circuit 100, described drive circuit 200 and described constant-current circuit 300 are sequentially connected with,
Described optoelectronic monitoring circuit 400 is connected in parallel with described drive circuit 200, described constant-current circuit 300 respectively;
Described voltage collection circuit 100 gathers waits to safeguard accumulator both end voltage value in whole group storage battery, and will
The magnitude of voltage transmission collected is to described drive circuit 200, the magnitude of voltage that described drive circuit 200 will receive
Compare with predeterminated voltage reference value, when the magnitude of voltage received is higher than predeterminated voltage reference value, generate high electricity
Flat, drive described constant-current circuit 300 to work, it is adjacent to next that described constant-current circuit 300 transmits constant current
Accumulator, when the magnitude of voltage received is less than predeterminated voltage reference value, generates low level, so that described perseverance
Current circuit 300 exits, and described constant-current circuit 300 stops transmission electric current to next adjacent battery, described light
Electricity monitoring circuit 400 monitors described drive circuit 200 and described constant-current circuit 300 duty, when described
When drive circuit 200 and/or described constant-current circuit 300 occur abnormal, send alarm signal.
The present invention whole group storage battery attending device, voltage collection circuit gathers accumulator both end voltage value, drives
Circuit is by the magnitude of voltage collected and predetermined voltage threshold comparison, when the magnitude of voltage collected is higher than predeterminated voltage
During threshold value, generate high level, drive constant-current circuit to work, transmission constant current to next adjacent battery (when
Front battery tension is too high, needs to stop applying external voltage) when the magnitude of voltage collected is less than predeterminated voltage
During threshold value, generate low level, control constant-current circuit exit, stop transmission electric current to next adjacent battery,
I.e. external power source applies charging voltage to current accumulator, until normal (the current electric power storage of current battery tension
When cell voltage is normal, gathering magnitude of voltage and can be higher than predetermined voltage threshold, constant-current circuit works, and transmits constant electricity
Flowing to next adjacent battery, external power source applies voltage no longer to current accumulator).During whole, logical
Cross and predetermined voltage threshold is set, according to the cell batteries both end voltage collected and predetermined voltage threshold comparison,
Control the input of constant-current circuit or exit, to realize the maintenance to whole group storage battery, the most each monomer electricity
Pressing tongs, to desired value, improves whole group of electric voltage equalization degree, it is to avoid overcharge or charge less is to monomer performance (life-span)
Impact, realize the lifting of battery group capacity simultaneously, its work efficiency is high, function admirable.
As in figure 2 it is shown, wherein in an embodiment, described voltage collection circuit 100 includes being sequentially connected with
Low pressure high stable chip 120, voltage packet circuit 140 and filter circuit 160;
Described low pressure high stable chip 120 stable absorption battery tension stationary component, by storage battery buckling
Polarization component transmission is to described voltage packet circuit 140, the described voltage packet circuit 140 accumulator to receiving
Change in voltage component carries out transmission extremely described filter circuit 160, described filter circuit 160 after voltage packet transaction
After being filtered the voltage data received processing, transmission is to described drive circuit 200.
Low pressure high stable chip in circuit can stable absorption most cell voltage stationary component (here
The voltage variety that can be understood as battery is made up of the component of invariable component Yu change), cell voltage
Change component is transferred to resistance blast circuit, and resistor voltage divider circuit is formed by some resistant series, series electrical
In resistance last resistance output one applicable change component to next stage, filter circuit be preferably resistance and
The RC low-pass filter circuit that capacitances in series is constituted, the AC harmonic that filter circuit can absorb in voltage signal is divided
Amount, it is possible to increase the capacity of resisting disturbance of DC input voitage.
Wherein in an embodiment, described filter circuit is RC low-pass filter circuit.
RC low-pass filter circuit is that a kind of efficiency is high, with low cost, the filter circuit of stable performance, it is possible to very
Absorb well the AC harmonic component in voltage signal, it is possible to increase the capacity of resisting disturbance of DC input voitage.
As in figure 2 it is shown, wherein in an embodiment, described drive circuit 200 includes voltage comparator circuit
220, reference voltage circuit 240 and driving module 260;
Described voltage comparator circuit 220 respectively with described voltage collection circuit 100, described driving module 260 with
And described reference voltage circuit 240 connects, described driving module 260 is connected with described constant-current circuit 300;
Described reference voltage circuit 240 inputs preset reference magnitude of voltage extremely described voltage comparator circuit 220, described
Voltage comparator circuit 220 comparison voltage collection circuit 100 input voltage value and described preset reference magnitude of voltage,
When voltage collection circuit 100 input voltage value is higher than described preset reference magnitude of voltage, output high level is to institute
Stating driving module 260, described driving module 260 drives described constant-current circuit 300 to work, and transmits constant current
To next adjacent battery, when voltage collection circuit 100 input voltage value is less than described preset reference magnitude of voltage
Time, output low level to described driving module 260, described driving module controls constant-current circuit 300 described in 260
Exit, stop transmission electric current to next adjacent battery.
Reference voltage circuit is used for preset reference magnitude of voltage, and here, preset reference magnitude of voltage can be according to reality
The demand of border applied environment is adjusted arranging, by preset reference magnitude of voltage input voltage ratio after having preset
To circuit.Preferably, voltage comparator circuit is hysteresis voltage comparator, its comparison preset reference magnitude of voltage and
The magnitude of voltage gathered, if the magnitude of voltage gathered is higher than preset reference magnitude of voltage, then illustrates current battery tension
Too high, need to stop applying external voltage, voltage comparator output high level, to driving module, drives module
Driving constant-current circuit works, and turns on current accumulator two ends, transmission constant current to next adjacent battery,
If the magnitude of voltage gathered is less than preset reference magnitude of voltage, then illustrate that current battery tension is too low, need two
End applies external voltage, in order to promote its voltage, at this moment, voltage comparator output low level, drives mould
Block controls constant-current circuit to be exited, and is no longer turned on accumulator two ends, then external voltage puts on accumulator two ends.
As it is shown on figure 3, wherein in an embodiment, described drive circuit 200 also includes that low pass amplifies electricity
Road 280, described voltage collection circuit 100 is by described low pass amplifying circuit 280 and described voltage comparator circuit
220 connect, the magnitude of voltage that the transmission of described voltage collection circuit 100 collects extremely described low pass amplifying circuit 280,
The described low pass amplifying circuit 280 magnitude of voltage to receiving carries out transmission extremely described voltage after low pass processing and amplifying
Comparison circuit 220.
Direct current variable quantity after low pass amplifying circuit collection extraction dividing potential drop carries out operation amplifier, to coordinate voltage
The needs of comparator resolution, it is ensured that the accurate and precision of comparison result.
Wherein in an embodiment, described drive circuit is NPN type triode, when described voltage ratio is more electric
When road output high level is to described NPN type triode, described NPN type triode turns on, when described voltage
When comparison circuit output low level is to described NPN type triode, described NPN type triode is ended.
Wherein in an embodiment, described optoelectronic monitoring circuit includes light emitting diode, described optoelectronic monitoring
Circuit is monitored the duty of circuit, wherein, described by the glittering state representation of described light emitting diode
The glittering state of optical diode include Chang Liang, glittering, extinguish and light color change.
The working condition of other circuit in the whole whole group storage battery attending device of optoelectronic monitoring circuit monitoring, when going out
Now during exception, need to characterize in time, in order to operator's unusual circumstance quick, accurate, lookup
To abnormity point.In the present embodiment, optoelectronic monitoring circuit includes light emitting diode, and light emitting diode has three
Individual glittering state, is Chang Liang, glittering and extinguishing respectively, and operator can be according to being parallel to whole group storage battery
Its duty of the glittering state-aware of the light emitting diode of other circuit in attending device, concrete diode is glittering
The circuit working state of state representation can set according to actual needs, and the normal bright indication circuit of such as diode is just
Often work, diode is glittering represents that existence is abnormal, but can work on, and diode extinguishes indication circuit
Break down, it is impossible to work on, need maintenance in time, change.
As shown in Figure 4, a kind of whole group storage battery maintaining method, including step:
S100: gather and wait to safeguard accumulator both end voltage value in whole group storage battery, obtains and gathers magnitude of voltage;
S200: magnitude of voltage and preset reference magnitude of voltage comparison will be gathered;
S300: when described collection magnitude of voltage is higher than described preset reference magnitude of voltage, turns on and wait to safeguard whole group of storage
Accumulator two ends in battery, to transmit constant current to next adjacent battery;
S400: when described collection magnitude of voltage is less than described preset reference magnitude of voltage, disconnects and wait to safeguard whole group of storage
Accumulator two ends in battery, to stop transmission constant current to next adjacent battery.
The present invention whole group storage battery maintaining method, gathers and waits to safeguard accumulator both end voltage value in whole group storage battery,
Obtain and gather magnitude of voltage, magnitude of voltage and preset reference magnitude of voltage comparison will be gathered, when described collection magnitude of voltage is high
When described preset reference magnitude of voltage, turn on and wait to safeguard accumulator two ends in whole group storage battery, constant to transmit
Electric current, to next adjacent battery, when described collection magnitude of voltage is less than described preset reference magnitude of voltage, disconnects
Wait to safeguard accumulator two ends in whole group storage battery, to stop transmission constant current to next adjacent battery.Whole
During individual, by arranging predetermined voltage threshold, according to the cell batteries both end voltage collected with default
Voltage threshold comparison, controls the input of constant-current circuit or exits, to realize the maintenance to whole group storage battery,
The most each monomer voltage clamps to desired value, improves whole group of electric voltage equalization degree, it is to avoid overcharge or charge less is to list
The impact of body performance (life-span), realizes the lifting of battery group capacity simultaneously, and its work efficiency is high, performance
Excellent.
As it is shown in figure 5, wherein in an embodiment, after described S100 the most in steps:
S120: be filtered processing to the described magnitude of voltage that gathers.
Filtering Processing can dispose the AC harmonic component in voltage signal, it is possible to increase DC input voitage
Capacity of resisting disturbance.
A kind of whole group storage battery, including multiple cell batteries and whole group storage battery attending device described above,
The plurality of cell batteries is connected in series, and described whole group storage battery attending device is with described cell batteries also
Connection connects.
The whole group storage battery of the present invention, including multiple cell batteries and above-mentioned maintenance device of storage battery, accumulator
Attending device with wait to safeguard that in whole group storage battery, accumulator is in parallel, voltage collection circuit in maintenance device of storage battery
Gather accumulator both end voltage value, drive circuit by the magnitude of voltage that collects and predetermined voltage threshold comparison, when
When the magnitude of voltage collected is higher than predetermined voltage threshold, generate high level, drive constant-current circuit work, transmission
Constant current to next adjacent battery (current battery tension is too high, need stop apply external voltage)
When the magnitude of voltage collected is less than predetermined voltage threshold, generate low level, control constant-current circuit and exit, stop
Only transmission electric current to next adjacent battery, i.e. external power source applies charging voltage to current accumulator, until
Current battery tension is normal (when current battery tension is normal, to be gathered magnitude of voltage and can be higher than predeterminated voltage threshold
Value, constant-current circuit works, and transmission constant current is to next adjacent battery, and current storage no longer given by external power source
Battery applies voltage).During whole, by arranging predetermined voltage threshold, according to the monomer electric power storage collected
Pond both end voltage and predetermined voltage threshold comparison, control the input of constant-current circuit or exit, to realize whole
The maintenance of group storage battery, the most each monomer voltage clamps to desired value, improves whole group of electric voltage equalization degree, keep away
Exempt to overcharge or the charge less impact on monomer performance (life-span), realize the lifting of battery group capacity simultaneously, its
Work efficiency is high, function admirable.
In order to further explain in detail technical scheme and the beneficial effect thereof of the whole group storage battery of the present invention, below
To illustrate with an example.
Charger is straight-flow system main power source, meets DC load demand, and accumulator battery is true as stand-by power supply
Protect dc bus not decompression after charger fault, provide temporary source for DC load.During normal condition, store
Set of cells is operated under floating charge state, charger provide stable floating current.When accumulator battery completes core
After holding test, charger completes it is supplemented electricity.
As shown in Figure 6, charge work start before or station end accumulator battery terminal voltage serious uneven time,
Whole group storage battery attending device is placed in each monomer two ends, is charged whole Battery pack safeguarding.Due to list
The difference of body self character, in charging process, the terminal voltage of each monomer there will be uneven phenomenon.Work as list
When bulk voltage exceedes threshold value, this monomer whole group storage battery attending device turns on, and carries for whole group of charge circuit
For bypass channel, other charge less monomers in whole group are made to continue to supplement electricity.When there is output fault in charger,
Whole Battery pack loses charge power supply, and the whole group storage battery attending device being now under conducting state can be to this list
Body discharges, until its terminal voltage is less than whole group storage battery attending device cut-off during lower threshold value, it is to avoid occur single
Body is crossed and is put phenomenon.When the most whole Battery pack such as exists charging state inconsistent battery, monomer can be made
Battery completely fills Time Inconsistency, and the battery the most completely filled can make other trickle charge batteries can not get continuing to fill
Electricity, causes cell capacity in whole group inconsistent, goes down for a long time to occur to overcharge and charge less phenomenon.And
After using this device, charger output voltage (being set as that each whole group storage battery attending device is both turned on value)
On the premise of Wen Ding, as shown in Figure 6, whole group of electric power storage of upper threshold value is exceeded when now #27 monomer terminal voltage
Pond attending device conducting, it is provided that bypass channel (electric current I27) makes other charge less monomers continue charging;#28 is mono-
Body terminal voltage after supplementing electricity raises, and after reaching upper threshold value, the conducting of its whole group storage battery attending device, continues
Continuous bypass channel (electric current I28) is provided to make remaining charge less monomer supplement electricity, so until whole group of storage of each monomer
Battery maintaining device all reaches threshold value and turns on, and the most each monomer voltage clamps to desired value, improves
Whole group of electric voltage equalization degree, it is to avoid overcharge or the charge less impact on monomer performance (life-span), realize electric power storage simultaneously
The lifting of pond pool-size.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (8)
1. a whole group storage battery attending device, it is characterised in that include voltage collection circuit, drive circuit,
Constant-current circuit and optoelectronic monitoring circuit;
Described voltage collection circuit, described drive circuit and described constant-current circuit are sequentially connected with, and described photoelectricity is supervised
It is connected in parallel with described drive circuit, described constant-current circuit respectively depending on circuit;
Described voltage collection circuit gathers waits to safeguard accumulator both end voltage value in whole group storage battery, and will gather
The magnitude of voltage transmission arrived is to described drive circuit, and described drive circuit is by the magnitude of voltage received and predeterminated voltage
Reference value compares, and when the magnitude of voltage received is higher than predeterminated voltage reference value, generates high level, drives institute
Stating constant-current circuit work, described constant-current circuit transmission constant current is to next adjacent battery, when receive
When magnitude of voltage is less than predeterminated voltage reference value, generate low level, so that described constant-current circuit exits, described perseverance
Current circuit stops transmission electric current to next adjacent battery, drive circuit described in described optoelectronic monitoring circuit supervision
With described constant-current circuit duty, when described drive circuit and/or described constant-current circuit occur abnormal, send out
Go out alarm signal.
Whole group storage battery attending device the most according to claim 1, it is characterised in that described voltage is adopted
Collector includes low pressure high stable chip, voltage packet circuit and the filter circuit being sequentially connected with;
Described low pressure high stable chip stable absorption battery tension stationary component, by battery tension change point
Amount transmission is to described voltage packet circuit, the battery tension change point to receiving of the described voltage packet circuit
Amount carries out transmission extremely described filter circuit, the described filter circuit voltage number to receiving after voltage packet transaction
According to being filtered transmission extremely described drive circuit after processing.
Whole group storage battery attending device the most according to claim 2, it is characterised in that described filtered electrical
Road is RC low-pass filter circuit.
4. according to the whole group storage battery attending device described in claim 1 or 2 or 3, it is characterised in that institute
State drive circuit and include voltage comparator circuit, reference voltage circuit and driving module;
Described voltage comparator circuit respectively with described voltage collection circuit, described driving module and described benchmark
Potential circuit connects, and described driving module is connected with described constant-current circuit;
Described reference voltage circuit input preset reference magnitude of voltage is to described voltage comparator circuit, described voltage ratio
Relatively circuit comparison voltage collection circuit input voltage value and described preset reference magnitude of voltage, work as voltage collection circuit
When input voltage value is higher than described preset reference magnitude of voltage, output high level to described driving module, described in drive
Constant-current circuit work described in dynamic module drive, transmission constant current, to next adjacent battery, works as voltage acquisition
When circuit input voltage value is less than described preset reference magnitude of voltage, output low level to described driving module, institute
State the driving module described constant-current circuit of control to exit, stop transmission electric current to next adjacent battery.
Whole group storage battery attending device the most according to claim 4, it is characterised in that described driving electricity
Road also includes low pass amplifying circuit, and described voltage collection circuit is by described low pass amplifying circuit and described voltage
Comparison circuit connects, the magnitude of voltage that the transmission of described voltage collection circuit collects extremely described low pass amplifying circuit,
The described low pass amplifying circuit magnitude of voltage to receiving transmits to described voltage ratio relatively after carrying out low pass processing and amplifying
Circuit.
Whole group storage battery attending device the most according to claim 4, it is characterised in that described driving electricity
Road is NPN type triode, when described voltage comparator circuit output high level is to described NPN type triode,
Described NPN type triode turns on, when described voltage comparator circuit output low level to described NPN type three pole
Guan Shi, described NPN type triode is ended.
7. according to the whole group storage battery attending device described in claim 1 or 2 or 3, it is characterised in that institute
Stating optoelectronic monitoring circuit and include light emitting diode, described optoelectronic monitoring circuit is glittering by described light emitting diode
State representation is monitored the duty of circuit, wherein, the glittering state of described light emitting diode include Chang Liang,
Glittering, extinguish and light color change.
8. a whole group storage battery, it is characterised in that include multiple cell batteries and such as claim 1-7
Whole group storage battery attending device described in any one, the plurality of cell batteries is connected in series, described whole
Group storage battery attending device is connected in parallel with described cell batteries.
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CN201410252923.6A CN104051806B (en) | 2014-06-09 | 2014-06-09 | Whole group storage battery and attending device thereof |
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CN201410252923.6A CN104051806B (en) | 2014-06-09 | 2014-06-09 | Whole group storage battery and attending device thereof |
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CN104051806A CN104051806A (en) | 2014-09-17 |
CN104051806B true CN104051806B (en) | 2016-12-07 |
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CN101764268A (en) * | 2010-01-13 | 2010-06-30 | 欣旺达电子股份有限公司 | Power battery balance charging method and power battery balancing circuit |
CN101976866A (en) * | 2010-10-17 | 2011-02-16 | 中国船舶重工集团公司第七一二研究所 | Balanced judgment and supplementary device of energy transfer type battery pack and method thereof |
EP2518860A1 (en) * | 2011-04-28 | 2012-10-31 | Nxp B.V. | Battery cell-balancing method and apparatus |
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CN101764268A (en) * | 2010-01-13 | 2010-06-30 | 欣旺达电子股份有限公司 | Power battery balance charging method and power battery balancing circuit |
CN101976866A (en) * | 2010-10-17 | 2011-02-16 | 中国船舶重工集团公司第七一二研究所 | Balanced judgment and supplementary device of energy transfer type battery pack and method thereof |
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