CN105048605B - A kind of online batteries behindhand battery emergency response assistant system and its method of work - Google Patents
A kind of online batteries behindhand battery emergency response assistant system and its method of work Download PDFInfo
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- CN105048605B CN105048605B CN201510575321.9A CN201510575321A CN105048605B CN 105048605 B CN105048605 B CN 105048605B CN 201510575321 A CN201510575321 A CN 201510575321A CN 105048605 B CN105048605 B CN 105048605B
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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
Abstract
The embodiments of the invention provide a kind of batteries behindhand battery emergency response assistant system and its method of work, belongs to field of power electronics, and this method is applied to the series-connected batteries for being connected with load and Switching Power Supply, and the system includes：Collection and control module, power conversion modules and output switch array module, the power conversion modules and the output switch array module are connected with the collection with control module；The output switch array module is connected between the power conversion modules and the batteries；The method of work includes behindhand battery localization method and capacity householder method.The problem of behindhand battery determines whole group battery capacity in batteries is so effectively improved, improves the ability of batteries emergency service guarantee.
Description
Technical field
The present invention relates to field of power electronics, in particular to a kind of batteries behindhand battery emergency response assistant system
And its method of work.
Background technology
In recent years, the high-tension battery of high-energy is widely applied, by by multiple high-energy high voltage electric power storages
Pond is together in series to form a batteries, is needed available for electric car etc. on high-tension device.
Inventor has found under study for action, and among prior art, backup type large-capacity battery group is equally with battery
The form work of series connection, therefore the capacity of whole group battery is equal to the monomer capacity of minimum battery, if going out in batteries
During existing lagging batteries, then the whole volume of batteries can be limited by the capacity of lagging batteries, on the other hand, existing string
Join the working method of batteries, the degree of discharge of uncontrollable lagging batteries, so that the maximum of lagging batteries can
Constantly reduced with capacity, so as to have a strong impact on the power supply supportability of backup batteries.
The content of the invention
In view of this, the purpose of the embodiment of the present invention be to provide a kind of battery behindhand battery emergency response assistant system and its
Method of work, to improve the problem of behindhand battery determines whole group battery capacity in batteries, the electric discharge for reducing behindhand battery is held
Amount, there is provided batteries emergency service guarantee.
What the embodiment of the present invention was realized in：
In a first aspect, the embodiments of the invention provide a kind of batteries behindhand battery emergency response assistant system, applied to even
The series-connected batteries of load and Switching Power Supply are connected to, the system includes：Collection and control module, power conversion modules and defeated
Go out switch array module, the power conversion modules and the output switch array module gather and control module phase with described
Connection；The output switch array module is connected between the power conversion modules 202 and the battery；
The collection and control module are used to gathering the electric quantity signal of each battery in the batteries, described in selection
A minimum battery of electricity controls the output switch array module to switch to connection as behindhand battery in batteries
The state of the power conversion modules and the behindhand battery；
The power conversion modules are used for by adjusting output current, and the behindhand battery is charged, make it is described fall
The voltage of battery reaches the average voltage in the batteries afterwards.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, institute
Stating collection and control module includes single-chip microcomputer, pwm chip, analog-digital chip and the transformer for driving relay,
The analog-digital chip is connected with the single-chip microcomputer, and the pwm chip is connected with the analog-digital chip, the change
Depressor is connected by the transistor group for amplifying electric current with the pwm chip, the single-chip microcomputer and the electric power storage
Pond group is connected, and the transformer is connected by divider resistance with the output switch array module.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide second of first aspect
Possible embodiment, wherein, the single-chip microcomputer is also associated with the indicating circuit for display working condition, the indicating circuit
Including multiple light emitting diodes, each light emitting diode is in series with pressure limiting resistance respectively, each pressure limiting resistance with electricity
Source is connected.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide the third of first aspect
Possible embodiment, wherein, the transistor group includes a NPN type triode and a PNP type triode, described
NPN type triode and the PNP type triode common base and emitter stage, the base stage of the NPN type triode and the positive-negative-positive three
The base stage of pole pipe is connected by current-limiting resistance with the pwm chip, the emitter stage of the NPN type triode with it is described
The emitter stage of PNP type triode is connected with the transformer.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide the 4th of first aspect kind
Possible embodiment, wherein, the power conversion modules include soft start relay, are connected with the soft start relay
Fly-wheel diode, the soft start relay are connected to switch MOSFET and driving three by capacitance and derided capacitors
Pole pipe, the driving triode are connected with high frequency transformer, and the high frequency transformer is connected with current sense by filter capacitor
Device, the soft start relay are connected with bus input, and the current sensor is connected with the single-chip microcomputer.
With reference to the 4th kind of possible embodiment of first aspect, the embodiments of the invention provide the 5th of first aspect kind
Possible embodiment, wherein, the output switch array module includes the switch for selective relay, described switch one end
The battery that is connected in the batteries, one end are connected to the soft start relay.
Second aspect, the embodiment of the present invention additionally provide a kind of online batteries behindhand battery emergency response assistant system
Method of work, including behindhand battery localization method and capacity householder method；
The behindhand battery localization method includes：
Gather the electric quantity signal of each battery in batteries；
The battery that electricity is minimum in the batteries is selected to enter rower as behindhand battery, and to behindhand battery
Note；
The capacity householder method includes：
The output switch array module is controlled to switch to the shape for connecting the power conversion modules and the behindhand battery
State；
The output current of the power conversion modules is adjusted, the behindhand battery is charged, makes the behindhand battery
Voltage reach average voltage in batteries.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the first of second aspect, wherein, institute
Stating electric quantity signal includes voltage, selects the battery that electricity is minimum in the batteries as behindhand battery, and to falling
Battery is marked afterwards, including：
The voltage reference value of each battery is calculated according to the voltage of each battery；
The battery in batteries is obtained according to battery rated voltage and the quantity of cell and falls behind pressure limit；
The voltage of each battery is made comparisons with the voltage reference value respectively, if terminal voltage is less than the Voltage Reference
Value, then fall behind pressure limit with described-battery and make comparisons；
If terminal voltage is less than the voltage reference value and the battery falls behind the difference of pressure limit, labeled as behindhand battery.
With reference to the first possible embodiment of second aspect, the embodiments of the invention provide second of second aspect
Possible embodiment, wherein, the voltage of each battery of basis calculates the voltage reference value of each battery, including：It is logical
Uif=(U1+U2+U3+ ...+Un)/n-Ui/n is crossed, the nonego average voltage of each battery is calculated, by the nonego average voltage
As the voltage reference value of each battery, wherein, Uif is nonego average voltage, and Ui is the voltage of battery i in the batteries
Value, n are the quantity of the battery in the batteries；
It is described to be obtained according to the rated voltage of each battery in the batteries and the quantity of battery in batteries
Battery fall behind pressure limit, including：By Ur=batteries rated voltage/n, fall behind pressure limit using Ur as battery.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the third of second aspect, wherein, institute
Stating capacity householder method includes：
Batteries total voltage is made comparisons with default discharge cut-off voltage, if batteries total voltage is put less than described
Electric blanking voltage, then activation system shutdown protection；
Output switch array module is controlled to gate the behindhand battery；
Using the equal threshold voltage of batteries as the target regulated voltage of the behindhand battery, adjusted by closed loop control algorithm
Section power conversion modules output current compensates to behindhand battery.
A kind of battery behindhand battery emergency response assistant system provided in an embodiment of the present invention and its method of work, using power
Conversion and synchronous rectification, the behindhand battery accessory system established in batteries, and using single-chip microcomputer as control core
Piece, the capacity aid decision in batteries discharge process is carried out, improve behindhand battery in batteries and determine whole group battery
The problem of capacity, change with other energy contents of battery are organized, reduce behindhand battery discharge capacity, there is provided batteries emergency service is protected
Barrier, the whole volume of batteries can be made to be more than the capacity for falling behind cell batteries.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore should not be viewed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows a kind of system on-line operation schematic diagram that the embodiment of the present invention is provided；
Fig. 2 shows a kind of system composition schematic diagram that the embodiment of the present invention is provided；
Fig. 3 shows a kind of circuit diagram for system power conversion module that the embodiment of the present invention is provided；
Fig. 4 shows the circuit diagram of a kind of system acquisition and control module that the embodiment of the present invention is provided；
Fig. 5 shows a kind of behindhand battery localization method flow chart that the embodiment of the present invention is provided；
Fig. 6 shows a kind of capacity aided process flow sheet figure that the embodiment of the present invention is provided.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment 1,
Among prior art, backup type large-capacity battery group is worked in the form of battery is connected, because
The capacity of this whole group battery is equal to the monomer capacity of minimum battery, if occur lagging batteries in battery pack, electric power storage
The whole volume of pond group can be limited by the capacity of lagging batteries, and the working method of existing series-connected batteries is uncontrollable
The degree of discharge of lagging batteries, so that the maximum available of lagging batteries is constantly reduced, so as to have a strong impact on
The power supply supportability of backup batteries.
Based on this, as Figure 1-Figure 4, the invention provides a kind of emergent auxiliary system of online batteries behindhand battery
System, applied to being connected with the series-connected batteries of load 101 and Switching Power Supply 102, wherein, Switching Power Supply 102 respectively with it is negative
101 and the parallel connection of online lagging batteries emergency response assistant system are carried, under normal circumstances, electricity of the Switching Power Supply 102 as load 101
Source, while floating charge is carried out to batteries, when Switching Power Supply 102 disconnects, by electricity of the batteries switching as load 101
Source, also, online lagging batteries emergency response assistant system selects behindhand battery and behindhand battery is charged, so as to subtract
The discharge capacity of behindhand battery is lacked, there is provided batteries emergency service guarantee, the whole volume of batteries can be made to be more than to fall
The capacity of cell batteries afterwards.The system includes：Collection and control module 201, power conversion modules 202 and output switch battle array
Row module 203, the power conversion modules 202 and the output switch array module 203 with the collection and control module
201 are connected；The output switch array module 203 is connected between the power conversion modules 202 and the battery；
The collection and electric quantity signal of the control module 201 for gathering each battery in the batteries, selection
A minimum battery of electricity controls the output switch array module 203 to cut as behindhand battery in the batteries
It is changed to the state for connecting the power conversion modules 202 and the behindhand battery；
The power conversion modules 202 are used for by adjusting output current, and the behindhand battery is charged, and make described
The voltage of behindhand battery reaches the average voltage in the batteries.
The collection includes single-chip microcomputer U1, pwm chip U2, analog-digital chip U3 with control module 201 and is used for
The transformer of relay is driven, the analog-digital chip U3 is connected with the single-chip microcomputer U1, the pwm chip U2 and institute
State analog-digital chip U3 to be connected, the transformer passes through the transistor group Q1 and Q2 and the PWM for amplifying electric current
Control chip U2 is connected, and the single-chip microcomputer U1 is connected with the batteries, the transformer by divider resistance R5 and R9 with
The output switch array module 203 is connected.
The electric quantity signal of each battery in the batteries is gathered by single-chip microcomputer U1, by calculating, analysis
The voltage signal gathered, so as to control the output switch array module 203 to carry out relay gate module, behindhand battery is entered
Row charging compensation.
The single-chip microcomputer U1 is also associated with the indicating circuit for display working condition, and the indicating circuit includes multiple hairs
Optical diode D1-D4, including communication indicator lamp, run indicator, malfunction indicator lamp and power supply indicator, each described luminous two
Pole pipe is in series with pressure limiting resistance respectively, and each pressure limiting resistance is connected with power supply.
It so just can easily show the different working condition of system.
The power conversion modules 202 include soft start relay K1, the afterflow being connected with the soft start relay K1
Diode D4, the soft start relay K1 are connected to switch MOSFETQ1-S by capacitance C1 and derided capacitors C9
With driving triode Q1-G and Q2-G, driving the triode Q1-G and Q2-G are connected with high frequency transformer T1, and the high frequency becomes
Depressor T1, which by filter capacitor connects C2 and is connected to the input of current sensor F1, the soft start relay K1 and bus, to be connected, described
Current sensor F1 is connected with the single-chip microcomputer.
Part auxiliary element and line are also associated with the basis of foregoing circuit, in the present embodiment, for ensureing electricity
The normal operation on road, the use of these auxiliary elements and line belong to the circuit application habit of industry universal, no longer superfluous herein
State.
Wherein, preferably power conversion modules 202 use half-bridge topology, and output par, c uses full-wave rectification, can effectively by
Current signal is converted to voltage signal, is responsible for acquisition process with control module 201 by collection.
Judge that current system is in discharge condition with control module 201 when gathering, and the storage is found according to discharge voltage
When having behindhand battery in battery, output switch array module 203 can be switched to the gating power conversion modules 202 with falling
The state of battery afterwards, the output current of power conversion modules 202 is adjusted so as to effectively adjust the discharge capacity of behindhand battery.
The output switch array module 203 includes the switch for selective relay, and described switch one end is connected to institute
State the battery in batteries, the other end is connected to the soft start relay.By controlling output switch array module 203
In different on off operating modes, so as to select corresponding battery in batteries.
Behindhand battery determines the problem of whole group battery capacity in the batteries that the present invention effectively improves, and reduces backwardness
The discharge capacity of battery, there is provided batteries emergency service guarantee.
Embodiment 2
As shown in Figure 5 and Figure 6, the invention provides a kind of batteries behindhand battery emergency response assistant system method of work,
Applied to being connected with the series-connected batteries of load 101 and Switching Power Supply 102, the system includes：Collection and control module
201st, power conversion modules 202 and output switch array module 203, the power conversion modules 202 and the output switch battle array
Row module 203 is connected with the collection with control module 201；The output switch array module 203 is connected to the work(
Between rate conversion module 202 and the battery；Including behindhand battery localization method and capacity householder method；
The behindhand battery localization method includes：
S701：Calculate the nonego average voltage of each battery in the batteries；
S702：The voltage of each battery and nonego average voltage are subtracted each other, judge the positive negativity of difference；
S703：The voltage of each battery and nonego average voltage are wanted to subtract, judge that it falls behind the size of pressure limit with battery
Relation；
The battery that electricity is minimum in the batteries is selected to enter rower as behindhand battery, and to behindhand battery
Note.
After flow starts, first according to formula Uif=(U1+U2+U3+ ...+Un)/n-Ui/n；Nonego mean value computation is carried out,
If the terminal voltage of battery is more than the equal threshold voltage of nonego in the battery, then this battery is normal battery Ui>Uif, such as
The terminal voltage of battery described in fruit is less than the equal threshold voltage of nonego, and meets inequality Ui<Uif-UrThen this battery is normal
Battery.
The capacity householder method includes：
S801：Judge whether battery total voltage is less than discharge cut-off voltage；
S802：Carry out behindhand battery positioning action；
S803：Determine whether behindhand battery；
S804：Controlling switch array module gates behindhand battery；
S805：Behindhand battery control voltage is set as the equal threshold voltage of battery；
S806：Power conversion modules output current is adjusted using close-loop power control；
The control output switch array module 203 is reached by above step and switches to the connection power conversion modules
202 with the state of the behindhand battery, adjust the output current of the power conversion modules 202, the behindhand battery carried out
Charging, makes the voltage of the behindhand battery reach the purpose of the average voltage in batteries.
After flow starts, the total voltage of battery is first checked for, if total voltage is less than blanking voltage (wherein cut-off electricity
Pressure is provided by man of storage battery factory), now battery is without capacity, system automatic shutdown.If total voltage is higher than blanking voltage,
Behindhand battery positioning is then carried out, if not finding behindhand battery, gating is switched to by control output switch array module 203
The battery of minimum voltage, using as standby；If it find that behindhand battery, which then gates output switch array module 203, falls behind electricity
Pond, while the output current of power conversion modules 202 is controlled, closed-loop control makes behindhand battery voltage reach battery average.
The method that the embodiment of the present invention is provided, its realization principle and caused technique effect and aforementioned system embodiment phase
Together, to briefly describe, embodiment of the method part does not refer to part, refers to corresponding contents in aforementioned system embodiment.
In addition, the flow chart and block diagram in accompanying drawing show device, method and the meter of multiple embodiments according to the present invention
Architectural framework in the cards, function and the operation of calculation machine program product.At this point, each square frame in flow chart or block diagram
Can represent a part for a module, program segment or code, the part of the module, program segment or code include one or
Multiple executable instructions for being used to realize defined logic function.It should also be noted that some as replace realization in, square frame
Middle marked function can also be with different from the order marked in accompanying drawing generation.For example, two continuous square frames are actually
It can perform substantially in parallel, they can also be performed in the opposite order sometimes, and this is depending on involved function.Also to note
Meaning, the combination of each square frame and block diagram in block diagram and/or flow chart and/or the square frame in flow chart can be with holding
Function as defined in row or the special hardware based system of action are realized, or can use specialized hardware and computer instruction
Combination realize.
The computer program product that the embodiment of the present invention is provided, including store the computer-readable storage of program code
Medium, the instruction that described program code includes can be used for performing the method described in previous methods embodiment, and specific implementation can be joined
See embodiment of the method, will not be repeated here.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
With the specific work process of unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system and method, it can be passed through
Its mode is realized.System embodiment described above is only schematical, for example, the division of the unit module, only
Only a kind of division of logic function, can there is other dividing mode when actually realizing, in another example, multiple units or component can
To combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or beg for
The mutual coupling of opinion or direct-coupling or communication connection can be by some communication interfaces, device or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, is then not required in subsequent accompanying drawing
It is further defined and explained.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (8)
- A kind of 1. online batteries behindhand battery emergency response assistant system, applied to the series connection for being connected with load and Switching Power Supply Batteries, it is characterised in that the system includes：Collection and control module, power conversion modules and output switch array mould Block, the power conversion modules and the output switch array module are connected with the collection with control module；It is described defeated Go out switch array module to be connected between the power conversion modules and the batteries；The collection and electric quantity signal of the control module for gathering each battery in the batteries, select the electric power storage A minimum battery of electricity is as behindhand battery in the group of pond；The collection calculates the voltage reference value of each battery with control module according to the voltage of each battery, according to battery volume Determine the battery that the quantity of voltage and cell is obtained in batteries and fall behind pressure limit, by the voltage of each battery respectively with it is described Voltage reference value is made comparisons, if terminal voltage is less than the voltage reference value, is fallen behind pressure limit with the battery and is made comparisons, if end electricity Pressure falls behind the difference of pressure limit less than the voltage reference value and the battery, then labeled as behindhand battery；Wherein, the electric quantity signal includes voltage, the collection and control module be used for by Uif=(U1+U2+U3+ ...+ Un)/n-Ui/n, the nonego average voltage of each battery is calculated, the Voltage Reference using the nonego average voltage as each battery Value, wherein, Uif is nonego average voltage, and Ui is the magnitude of voltage of battery i in the batteries, and n is in the batteries Battery quantity；Batteries are obtained according to the rated voltage of each battery in the batteries and the quantity of battery In battery fall behind pressure limit, wherein, Ur=batteries rated voltage/n, using Ur as battery fall behind pressure limit；The collection is additionally operable to control the output switch array module to switch to control module connects the power conversion mould The state of block and the behindhand battery；The power conversion modules are used for by adjusting output current, and the behindhand battery is charged, and make the backward electricity The voltage in pond reaches the average voltage in the batteries.
- A kind of 2. online batteries behindhand battery emergency response assistant system according to claim 1, it is characterised in that institute Stating collection and control module includes single-chip microcomputer, pwm chip, analog-digital chip and the transformer for driving relay, The analog-digital chip is connected with the single-chip microcomputer, and the pwm chip is connected with the analog-digital chip, the change Depressor is connected by the transistor group for amplifying electric current with the pwm chip, the single-chip microcomputer and the electric power storage Pond group is connected, and the transformer is connected by divider resistance with the output switch array module.
- A kind of 3. online batteries behindhand battery emergency response assistant system according to claim 2, it is characterised in that institute State single-chip microcomputer and be also associated with indicating circuit for display working condition, the indicating circuit includes multiple light emitting diodes, often The individual light emitting diode is in series with pressure limiting resistance respectively, and each pressure limiting resistance is connected with power supply.
- A kind of 4. online batteries behindhand battery emergency response assistant system according to claim 2, it is characterised in that institute Stating transistor group includes a NPN type triode and a PNP type triode, the NPN type triode and the positive-negative-positive Triode common base and emitter stage, the base stage of the base stage of the NPN type triode and the PNP type triode pass through current limliting electricity Resistance is connected with the pwm chip, the emitter stage of the emitter stage of the NPN type triode and the PNP type triode with The transformer is connected.
- A kind of 5. online batteries behindhand battery emergency response assistant system according to claim 2, it is characterised in that institute Stating power conversion modules includes soft start relay, the fly-wheel diode being connected with the soft start relay, the soft start Relay is connected to switch MOSFET and driving triode by capacitance and derided capacitors, and the driving triode connects Be connected to high frequency transformer, the high frequency transformer is connected with current sensor by filter capacitor, the soft start relay with Bus input is connected, and the current sensor is connected with the single-chip microcomputer.
- A kind of 6. online batteries behindhand battery emergency response assistant system according to claim 5, it is characterised in that institute Stating output switch array module includes being used for the switch of selective relay, and described switch one end is connected in the batteries Battery, the other end are connected to the soft start relay.
- A kind of 7. work side of online batteries behindhand battery emergency response assistant system described in claim 1-6 any one Method, it is characterised in that the method for work includes behindhand battery localization method and capacity householder method；The behindhand battery localization method includes：Gather the electric quantity signal of each battery in batteries；The battery that electricity is minimum in the batteries is selected to be marked as behindhand battery, and to behindhand battery；The electric quantity signal includes voltage, described to select the battery that electricity is minimum in the batteries electric as falling behind Pond, and the step of behindhand battery is marked, including：By Uif=(U1+U2+U3+ ...+Un)/n-Ui/n, the nonego average voltage of each battery is calculated, the nonego is electric Voltage reference value of the average as each battery is pressed, wherein, Uif is nonego average voltage, and Ui is battery i in the batteries Magnitude of voltage, n be the batteries in battery quantity；The battery in batteries is obtained according to the rated voltage of each battery in the batteries and the quantity of battery to fall Pressure limit afterwards, wherein, Ur=batteries rated voltage/n, fall behind pressure limit using Ur as battery；The terminal voltage of each battery is made comparisons with the voltage reference value respectively, if the terminal voltage is less than the Voltage Reference Value, then fall behind pressure limit with the battery and make comparisons；If the terminal voltage is less than the voltage reference value and the battery falls behind the difference of pressure limit, labeled as behindhand battery；The capacity householder method includes：The output switch array module is controlled to switch to the state for connecting the power conversion modules and the behindhand battery；The output current of the power conversion modules is adjusted, the behindhand battery is charged, makes the electricity of the behindhand battery Pressure reaches the average voltage in batteries.
- 8. a kind of method of work of online batteries behindhand battery emergency response assistant system according to claim 7, its It is characterised by, the capacity householder method includes：The total voltage of batteries is made comparisons with default discharge cut-off voltage, if batteries total voltage is less than the electric discharge Blanking voltage, then activation system shutdown protection；Output switch array module is controlled to gate the behindhand battery；Target regulated voltage using the equal threshold voltage of batteries as the behindhand battery, institute is adjusted by closed loop control algorithm Power conversion modules output current is stated to compensate behindhand battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575321.9A CN105048605B (en) | 2015-09-10 | 2015-09-10 | A kind of online batteries behindhand battery emergency response assistant system and its method of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575321.9A CN105048605B (en) | 2015-09-10 | 2015-09-10 | A kind of online batteries behindhand battery emergency response assistant system and its method of work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105048605A CN105048605A (en) | 2015-11-11 |
| CN105048605B true CN105048605B (en) | 2017-12-19 |
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| CN105529782B (en) * | 2016-02-02 | 2018-03-02 | 广东技术师范学院 | Online storage battery pack lagging battery emergency auxiliary system and working method thereof |
| CN106941255A (en) * | 2016-11-21 | 2017-07-11 | 国家电网公司 | Based on the distributed maintenance free intelligent d. c power-supply system of cell and its control method |
| CN110474113A (en) * | 2019-07-05 | 2019-11-19 | 深圳市普禄科智能检测设备有限公司 | Electronic cell device |
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| CN101645610A (en) * | 2009-09-03 | 2010-02-10 | 深圳市晖谱能源科技有限公司 | Device for equalizing charge of battery and method thereof |
| CN102684263A (en) * | 2012-05-10 | 2012-09-19 | 上海众联能创新能源科技有限公司 | Series battery equalization circuit based on symmetrical multi-winding transformer structure and control method applied to same |
| CN202894546U (en) * | 2012-11-18 | 2013-04-24 | 盐城鼎力达焊接科技有限公司 | Wide-voltage-input electric welder circuit based on single-phase power-factor correction technology |
| CN104701899A (en) * | 2013-12-04 | 2015-06-10 | 哈尔滨智木科技有限公司 | Battery equalization management method and equalization device |
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| CN101282046B (en) * | 2008-05-07 | 2010-09-08 | 陈赖容 | Battery set management circuit |
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| CN102655346B (en) * | 2012-04-25 | 2016-04-20 | 浙江大学 | There is Smart battery module and the battery pack of autobalance ability |
| CN104505812A (en) * | 2014-12-03 | 2015-04-08 | 中国联合网络通信集团有限公司 | Lithium iron phosphate battery safety protection device and method |
| CN204905958U (en) * | 2015-09-10 | 2015-12-23 | 重庆雅讯电源技术有限公司 | Online storage battery falls behind emergent auxiliary system of battery |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101645610A (en) * | 2009-09-03 | 2010-02-10 | 深圳市晖谱能源科技有限公司 | Device for equalizing charge of battery and method thereof |
| CN102684263A (en) * | 2012-05-10 | 2012-09-19 | 上海众联能创新能源科技有限公司 | Series battery equalization circuit based on symmetrical multi-winding transformer structure and control method applied to same |
| CN202894546U (en) * | 2012-11-18 | 2013-04-24 | 盐城鼎力达焊接科技有限公司 | Wide-voltage-input electric welder circuit based on single-phase power-factor correction technology |
| CN104701899A (en) * | 2013-12-04 | 2015-06-10 | 哈尔滨智木科技有限公司 | Battery equalization management method and equalization device |
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