CN105529782B - Online storage battery pack lagging battery emergency auxiliary system and working method thereof - Google Patents
Online storage battery pack lagging battery emergency auxiliary system and working method thereof Download PDFInfo
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- CN105529782B CN105529782B CN201610074971.XA CN201610074971A CN105529782B CN 105529782 B CN105529782 B CN 105529782B CN 201610074971 A CN201610074971 A CN 201610074971A CN 105529782 B CN105529782 B CN 105529782B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0018—Circuits for equalisation of charge between batteries using separate charge circuits
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- H02J7/0021—
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- Engineering & Computer Science (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses an on-line storage battery pack lagging battery emergency auxiliary system and a working method thereof, relating to the technical field of power electronics, wherein the storage battery pack is a series storage battery pack connected with a load and a switching power supply, and the on-line storage battery pack lagging battery emergency auxiliary system comprises: the storage battery pack comprises a plurality of charging modules, a voltage acquisition module and a current acquisition module, wherein the charging modules, the voltage acquisition module and the current acquisition module are connected with each storage battery in the storage battery pack in a one-to-one correspondence mode, the output ends of the voltage acquisition module and the current acquisition module are connected with the input end of a control module, and the output end of the control module is connected with the plurality of charging modules. The on-line storage battery pack lagging battery emergency auxiliary system and the working method thereof can solve the problem that the storage battery pack with high cost needs to be replaced due to the occurrence of the lagging battery in the existing storage battery pack.
Description
Technical field
, should in particular to a kind of online batteries behindhand battery the present invention relates to electric and electronic technical field
Anxious accessory 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 voltage batteries
It is together in series to form a batteries, is needed available for electric car etc. on high-tension device.
The major function of the managing device of electric powered motor batteries is the various power accumulators to special-purpose
The charge and discharge process of group carries out intelligent management, is provided for all kinds accumulator of electric car group with special technical requirement
, the technological accumulation and inheritance of safe efficient operation.
Management work emphasis in charging process is to ensure that the charging voltage, charging current and temperature of every cell
In storage battery safety working range, it is ensured that battery full charge and not overcharge, and the problem of temperature control does not occur.
In discharge process, the state of the art of each cell is looked over one's shoulder, prevents cell overdischarge, and can be to falling behind electricity
Pond carries out discharge energy compensation, and the adverse effect that backward cell discharges batteries is reduced into bottom line.
Batteries are the critical elements of transformer station, and its effect is to the weight of transformer station when power system is broken down
Load is wanted to provide power supply.Large-capacity battery of the batteries that important transformer station uses generally by 110 or so is in series,
Due to manufacture view percentage of batteries can show voltage fall behind phenomenon, if any cell voltage force down 100 compared with standard electric
Millivolt or more, far above the requirement that Guo Wang companies voltage difference is less than 30 millivolts.Because the voltage of behindhand battery is less than for a long time
Normal voltage so that the pole plate of voltage lagging batteries has certain sulphation, causes internal resistance of cell increase, charge and discharge electrical
Energy, battery capacity and reliability decrease.The usual practice that production scene solves this problem is that whole group changes battery.According to preceding
The battery quotation of several years, about 180,000 yuans of the price of one group of ampere-hour valve-control storage battery of import 500, one group of ampere-hour of import 300
The RMB of the price of valve-control storage battery about 120,000, the RMB of price about 90,000 of one group of domestic 300 ampere-hour valve-control storage battery can be with
Substantial amounts of fund will be expended by finding out the scheme of whole group replacing battery, add the workload of new battery installation, and change electricity
First unsafe factor can be caused by galvanic cell group is out of service during the group of pond, and may make again when the battery changed is disassembled
Into environmental pollution, generation environment potential safety hazard.
The content of the invention
In view of this, the present invention provides a kind of online batteries behindhand battery emergency response assistant system and its work side
Method, to solve the problems, such as behindhand battery occur in existing batteries, it is necessary to the high batteries of replacement cost.
The present invention is solved the above problems by following technological means：
On the one hand, the present invention provides a kind of online batteries behindhand battery emergency response assistant system, wherein, the electric power storage
Pond group is to be connected with the series-connected batteries of load and Switching Power Supply, the emergent auxiliary system of the online batteries behindhand battery
System includes：The multiple charging modules to be connected one to one with each battery in the batteries, voltage acquisition module, electric current
Acquisition module, the voltage acquisition module and the output end of the current acquisition module are connected with the input of control module, institute
The output end for stating control module is connected with the multiple charging module,
The voltage acquisition module, for gathering the magnitude of voltage of each battery in batteries；
The current acquisition module, for gathering the current value of each battery in batteries；
The control module, for the magnitude of voltage of each battery in batteries to be compared with preset voltage value, obtain
It is less than the battery of preset voltage value to magnitude of voltage；By current value of the magnitude of voltage less than the battery of preset voltage value and in advance
If current value compares, battery of the current value less than pre-set current value is obtained as lagging batteries, controls the backward storage
Charging module corresponding to battery charges to the lagging batteries, the magnitude of voltage of the lagging batteries is more than the default electricity
Pressure value；
The charging module, for being charged to the lagging batteries.
Further, the system also includes：It is described for gathering the temperature collect module of the lagging batteries temperature
Temperature collect module is connected with the control module.
Further, the control module, it is additionally operable to the magnitude of voltage and predeterminated voltage of each battery in batteries
Threshold value compares, and obtains battery of the magnitude of voltage less than predeterminated voltage threshold value as lagging batteries, controls the backwardness
Charging module corresponding to battery charges to the lagging batteries, the magnitude of voltage of the lagging batteries is more than described preset
Magnitude of voltage.
Further, the system also includes, the display module being connected with the control module.
Further, the control module includes：The input interface that is sequentially connected, analog-to-digital conversion module, microcontroller and
Output interface, wherein：
The input interface is connected with the voltage acquisition module and the current acquisition module；
The current value of the magnitude of voltage of the battery, the battery is converted to digital letter by the analog-to-digital conversion module
Number, input to the microcontroller；
The microcontroller, for the magnitude of voltage of each battery in battery pack to be compared with preset voltage value, obtain
Magnitude of voltage is less than the battery of preset voltage value；By current value of the magnitude of voltage less than the battery of preset voltage value with presetting
Current value compares, and obtains battery of the current value less than pre-set current value as lagging batteries；
The output interface is connected with each charging module, for controlling charging module pair corresponding to the lagging batteries
The lagging batteries charging, makes the magnitude of voltage of the lagging batteries be more than the preset voltage value.
Further, the charging module include the charge circuit connected with corresponding battery and with the microcontroller phase
Switch even.
Further, the display module is the 16*2 character point formation LCD MODULEs with LED backlight.
Another aspect of the present invention also provides a kind of method of work of online batteries behindhand battery emergency response assistant system,
Including：
Gather the magnitude of voltage and current value of each battery of batteries；
The magnitude of voltage of each battery in batteries is compared with preset voltage value, obtains magnitude of voltage less than default electricity
The battery of pressure value；
Current value of the magnitude of voltage less than the battery of preset voltage value is compared with pre-set current value, obtains electric current
Value is less than the battery of pre-set current value as lagging batteries；
Control charging module corresponding to the lagging batteries to charge the lagging batteries, make the lagging batteries
Magnitude of voltage be more than the preset voltage value.
Further, after the magnitude of voltage and current value of the collection each battery of batteries, in addition to：
The magnitude of voltage of each battery in batteries is compared with predeterminated voltage threshold value, obtains magnitude of voltage less than pre-
If the battery of voltage threshold is as lagging batteries；
Control charging module corresponding to the lagging batteries to charge the lagging batteries, make the lagging batteries
Magnitude of voltage be more than the preset voltage value.
Further, methods described also includes：
The magnitude of voltage of each battery in the batteries and current value are shown.
Compared to prior art, online batteries behindhand battery emergency response assistant system of the invention and its work side
Method, by the way that the magnitude of voltage of each battery in batteries and current value are carried out in real time with preset voltage value and pre-set current value
Compare, when magnitude of voltage and current value are below preset voltage value and pre-set current value, it is determined that corresponding battery is to fall behind electric power storage
Pond, it judges that lagging batteries are more accurate, and charging is effective stronger, can effectively prevent going out for behindhand battery in batteries
It is existing.Further, the magnitude of voltage of each battery in batteries is compared with predeterminated voltage threshold value, it is low obtains magnitude of voltage
In predeterminated voltage threshold value battery as lagging batteries, directly will be right when battery tension is too low in batteries
Battery is answered to carry out real time charging as lagging batteries to it, improve the promptness to behindhand battery charging.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is that the method for operation of online batteries behindhand battery emergency response assistant system provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 is the structure chart of online batteries behindhand battery emergency response assistant system provided in an embodiment of the present invention；
Fig. 3 is the method for work of online batteries behindhand battery emergency response assistant system provided in an embodiment of the present invention
Flow chart.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment one
Below with reference to accompanying drawing 1, the present invention is described in detail, and the present embodiment provides a kind of online batteries and fallen
Battery emergency response assistant system afterwards, as shown in Figure 1：The batteries are to be connected with load 11 and the series connection electric power storage of Switching Power Supply 12
Pond group, Switching Power Supply 12 is in parallel with load 11 and online batteries behindhand battery emergency response assistant system respectively, in positive reason
Under condition, power supply of the Switching Power Supply 12 as load 11, while floating charge is carried out to batteries, when Switching Power Supply 12 disconnects, by
Power supply of the batteries switching as load 11, and grow in the selection of online batteries behindhand battery emergency response assistant system
Battery and behindhand battery is charged afterwards, so as to reduce the discharge capacity of behindhand battery, pass through that batteries are emergent to be supplied
Electricity is ensured, the whole volume of batteries can be made to be more than the capacity for falling behind cell batteries.
As shown in Fig. 2 the online batteries behindhand battery emergency response assistant system includes：In the batteries
Multiple charging modules 21 that each battery connects one to one, voltage acquisition module 22, current acquisition module 23, temperature acquisition
Module 24, display module 25 and control module 26, the voltage acquisition module 22, the current acquisition module 23 and the temperature
The output end of acquisition module 24 is connected with the input of control module 26, and the output end of the control module 26 is filled with the multiple
Electric module 21 is connected with the display module 25；
Wherein, the charging module 21, for being charged to the lagging batteries；The charging module 21 specifically include with
The corresponding connected charge circuit of battery and the switch being connected with microcontroller.
The voltage acquisition module 22, for gathering the magnitude of voltage of each battery in batteries；
The current acquisition module 23, for gathering the current value of each battery in batteries；
The control module 26, for the magnitude of voltage of each battery in batteries to be compared with preset voltage value,
Obtain the battery that magnitude of voltage is less than preset voltage value；By the magnitude of voltage less than preset voltage value battery current value with
Pre-set current value compares, and obtains battery of the current value less than pre-set current value as lagging batteries, controls the backwardness
Charging module 21 corresponding to battery charges to the lagging batteries, makes the magnitude of voltage of the lagging batteries more than described pre-
If magnitude of voltage；It judges that lagging batteries are more accurate, and charging is effective stronger, can effectively prevent behindhand battery in batteries
Appearance.
As a kind of preferable embodiment, the control module 26, it is additionally operable to each battery in batteries
Magnitude of voltage obtains battery of the magnitude of voltage less than predeterminated voltage threshold value as backward electric power storage compared with predeterminated voltage threshold value
Pond, control charging module 21 corresponding to the lagging batteries to charge the lagging batteries, make the lagging batteries
Magnitude of voltage is more than the preset voltage value.Wherein, predeterminated voltage threshold value is less than preset voltage value.When battery in batteries
During brownout, battery will be directly corresponded to as lagging batteries, real time charging is carried out to it, improves and behindhand battery is charged
Promptness.
Specifically, the control module 26 includes：The input interface that is sequentially connected, analog-to-digital conversion module, microcontroller and
Output interface, wherein：
The input interface is connected with the voltage acquisition module and the current acquisition module；
The current value of the magnitude of voltage of the battery, the battery is converted to digital letter by the analog-to-digital conversion module
Number, input to the microcontroller；
The microcontroller, for the magnitude of voltage of each battery in battery pack to be compared with preset voltage value, obtain
Magnitude of voltage is less than the battery of preset voltage value；By current value of the magnitude of voltage less than the battery of preset voltage value with presetting
Current value compares, and obtains battery of the current value less than pre-set current value as lagging batteries；
The output interface is connected with each charging module, for controlling charging module pair corresponding to the lagging batteries
The lagging batteries charging, makes the magnitude of voltage of the lagging batteries be more than the preset voltage value.
The temperature collect module 24, for gathering the lagging batteries temperature.
The display module 25, for the battery tension collected value, current value and temperature value to be shown, it is easy to
The working condition of each battery of visual supervisory control.
The online batteries behindhand battery emergency response assistant system of the present invention, by by each battery in batteries
Magnitude of voltage and current value and preset voltage value and pre-set current value in real time compared with, be below in magnitude of voltage and current value pre-
If when magnitude of voltage and pre-set current value, it is determined that corresponding battery is lagging batteries, it judges that lagging batteries are more accurate, filled
It is electric effective stronger, it can effectively prevent the appearance of behindhand battery in batteries.Further, by each electric power storage in batteries
The magnitude of voltage in pond obtains battery of the magnitude of voltage less than predeterminated voltage threshold value as backwardness compared with predeterminated voltage threshold value
Battery, when battery tension is too low in batteries, battery will be directly corresponded to as lagging batteries, reality is carried out to it
When charge, improve to behindhand battery charging promptness.
The present invention also provides a kind of method of work of online batteries behindhand battery emergency response assistant system, such as Fig. 3 institutes
Show, this method includes：
301st, the magnitude of voltage and current value of each battery of batteries are gathered；
302nd, the magnitude of voltage of each battery in batteries is compared with predeterminated voltage threshold value；
According to the comparative result of this step, when the magnitude of voltage that battery in batteries be present is less than predeterminated voltage threshold value
Battery, then perform following step 303；If the magnitude of voltage in batteries in the absence of battery is less than predeterminated voltage threshold value
Battery, then perform following step 304~305.
If the 303, obtaining the battery that magnitude of voltage is less than predeterminated voltage threshold value, the electric power storage of predeterminated voltage threshold value will be less than
Pond is as lagging batteries；Control charging module corresponding to the lagging batteries to charge the lagging batteries, make described
The magnitude of voltage of lagging batteries is more than the preset voltage value.
If the battery that magnitude of voltage is less than predeterminated voltage threshold value the 304th, is not obtained, by each battery in batteries
Magnitude of voltage obtains the battery that magnitude of voltage is less than preset voltage value compared with preset voltage value；
305th, current value of the magnitude of voltage less than the battery of preset voltage value is compared with pre-set current value, obtained
Current value is less than the battery of pre-set current value as lagging batteries；Control charging module pair corresponding to the lagging batteries
The lagging batteries charging, makes the magnitude of voltage of the lagging batteries be more than the preset voltage value.
306th, the magnitude of voltage of each battery in the batteries and current value are shown.
The online batteries behindhand battery emergency response assistant system and method for the present invention, by will be each in batteries
The magnitude of voltage and current value of battery and preset voltage value and pre-set current value in real time compared with, it is equal in magnitude of voltage and current value
During less than preset voltage value and pre-set current value, it is determined that corresponding battery is lagging batteries, it judges lagging batteries more
Precisely, charging is effective stronger, can effectively prevent the appearance of behindhand battery in batteries.Further, by batteries
The magnitude of voltage of each battery obtains the battery that magnitude of voltage is less than predeterminated voltage threshold value compared with predeterminated voltage threshold value
As lagging batteries, when battery tension is too low in batteries, battery will be directly corresponded to as lagging batteries, it is right
It carries out real time charging, improves the promptness to behindhand battery charging.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of online batteries behindhand battery emergency response assistant system, it is characterised in that the batteries are to be connected with
Load and the series-connected batteries of Switching Power Supply, the online batteries behindhand battery emergency response assistant system include：With institute
State multiple charging modules that each battery in batteries connects one to one, voltage acquisition module, current acquisition module, institute
State voltage acquisition module and the output end of the current acquisition module is connected with the input of control module, the control module
Output end is connected with the multiple charging module,
The voltage acquisition module, for gathering the magnitude of voltage of each battery in batteries；
The current acquisition module, for gathering the current value of each battery in batteries；
The charging module, for being charged to lagging batteries；
The control module, for the magnitude of voltage of each battery in batteries to be compared with predeterminated voltage threshold value；When
The magnitude of voltage that battery in batteries be present is less than the battery of predeterminated voltage threshold value, then will be less than predeterminated voltage threshold value
Battery as lagging batteries；Charging module corresponding to the lagging batteries is controlled to charge the lagging batteries,
The magnitude of voltage of the lagging batteries is set to be more than preset voltage value；If the magnitude of voltage in batteries in the absence of battery is less than pre-
If the battery of voltage threshold, then the magnitude of voltage of each battery in batteries is compared with preset voltage value, obtained
Magnitude of voltage is less than the battery of preset voltage value；By current value of the magnitude of voltage less than the battery of preset voltage value with presetting
Current value compares, and obtains battery of the current value less than pre-set current value as lagging batteries；Control the backward electric power storage
Charging module corresponding to pond charges to the lagging batteries, the magnitude of voltage of the lagging batteries is more than the predeterminated voltage
Value.
2. online batteries behindhand battery emergency response assistant system according to claim 1, it is characterised in that：Also wrap
Include：For gathering the temperature collect module of the lagging batteries temperature, the temperature collect module and the control module phase
Even.
3. online batteries behindhand battery emergency response assistant system according to claim 1, it is characterised in that：Also wrap
Include, the display module being connected with the control module.
4. online batteries behindhand battery emergency response assistant system according to claim 1, it is characterised in that：The control
Molding block includes：Input interface, analog-to-digital conversion module, microcontroller and the output interface being sequentially connected, wherein：
The input interface is connected with the voltage acquisition module and the current acquisition module；
The current value of the magnitude of voltage of the battery, the battery is converted to data signal by the analog-to-digital conversion module, defeated
Enter to the microcontroller；
The microcontroller, for the magnitude of voltage of each battery in battery pack to be compared with preset voltage value, obtain voltage
Battery of the value less than preset voltage value；By current value and predetermined current of the magnitude of voltage less than the battery of preset voltage value
Value compares, and obtains battery of the current value less than pre-set current value as lagging batteries；
The output interface is connected with each charging module, for controlling charging module corresponding to the lagging batteries to described
Lagging batteries charge, and the magnitude of voltage of the lagging batteries is more than the preset voltage value.
5. online batteries behindhand battery emergency response assistant system according to claim 4, it is characterised in that：It is described to fill
Electric module includes the charge circuit being connected with corresponding battery and the switch being connected with the microcontroller.
6. online batteries behindhand battery emergency response assistant system according to claim 3, it is characterised in that：It is described aobvious
It is the 16*2 character point formation LCD MODULEs with LED backlight to show module.
7. a kind of method of work of online batteries behindhand battery emergency response assistant system, appoint applied to such as claim 1-6
Online batteries behindhand battery emergency response assistant system described in one, it is characterised in that including：
Gather the magnitude of voltage and current value of each battery of batteries；
The magnitude of voltage of each battery in batteries is compared with predeterminated voltage threshold value；When electric power storage in batteries being present
The magnitude of voltage in pond is less than the battery of predeterminated voltage threshold value, then the battery that will be less than predeterminated voltage threshold value stores as backward
Battery；Control charging module corresponding to the lagging batteries to charge the lagging batteries, make the lagging batteries
Magnitude of voltage is more than preset voltage value；If the magnitude of voltage in batteries in the absence of battery is less than the electric power storage of predeterminated voltage threshold value
Pond, then the magnitude of voltage of each battery in batteries is compared with preset voltage value, obtain magnitude of voltage and be less than predeterminated voltage
The battery of value；Current value of the magnitude of voltage less than the battery of preset voltage value is compared with pre-set current value, obtained
Current value is less than the battery of pre-set current value as lagging batteries；Control charging module pair corresponding to the lagging batteries
The lagging batteries charging, makes the magnitude of voltage of the lagging batteries be more than the preset voltage value；Wherein, the default electricity
Pressure gate limit value is less than the preset voltage value.
8. the method for work of online batteries behindhand battery emergency response assistant system according to claim 7, its feature
It is：Methods described also includes：
The magnitude of voltage of each battery in the batteries and current value are shown.
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| CN109347162A (en) * | 2018-10-29 | 2019-02-15 | 深圳供电局有限公司 | A kind of valve-regulated single battery charging system of substation |
| CN115514046A (en) * | 2022-09-27 | 2022-12-23 | 湖南丰日电源电气股份有限公司 | Intelligent battery life prolonging management system and battery life prolonging method |
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| CN104852435B (en) * | 2015-05-22 | 2018-02-23 | 聊城大学 | A kind of serial lithium battery management system used for electric vehicle and its management method |
| CN105048605B (en) * | 2015-09-10 | 2017-12-19 | 重庆雅讯电源技术有限公司 | A kind of online batteries behindhand battery emergency response assistant system and its method of work |
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