CN107453431A - A kind of control panel and its charge/discharge control method of fixed battery pack - Google Patents

A kind of control panel and its charge/discharge control method of fixed battery pack Download PDF

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Publication number
CN107453431A
CN107453431A CN201710690273.7A CN201710690273A CN107453431A CN 107453431 A CN107453431 A CN 107453431A CN 201710690273 A CN201710690273 A CN 201710690273A CN 107453431 A CN107453431 A CN 107453431A
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CN
China
Prior art keywords
battery pack
module
discharge
battery
voltage
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CN201710690273.7A
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Chinese (zh)
Inventor
廖媛菲
廖兴
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Dongguan Constant Amperex Technology Ltd
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Dongguan Constant Amperex Technology Ltd
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Priority to CN201710690273.7A priority Critical patent/CN107453431A/en
Publication of CN107453431A publication Critical patent/CN107453431A/en
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    • H02J7/0026
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • H01M10/441Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068Battery or charger load switching, e.g. concurrent charging and load supply
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/10Batteries in stationary systems, e.g. emergency power source in plant
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00302Overcharge protection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306Overdischarge protection
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention provides a kind of control panel and its charge/discharge control method of fixed battery pack, the control panel includes signal processor, polling module, discharge module, charging module and digital independent interface;The signal output part of the signal input part connection polling module of signal processor, its signal output part connect the signal input part of discharge module, charging module and digital independent interface respectively;Digital independent interface is used for outside reading equipment and reads information data by connecting;The signal input part of polling module is connected with the both ends of battery pack and the series connection tap terminals of each modular battery;Equipment of the present invention and charge/discharge control method can read equipment for outside and provide information data, signal acquisition, processing are carried out to the voltage status of each modular battery, control capability falls behind modular battery and is not overcharged by deep discharge and not, extends the service life of fixation battery pack.

Description

A kind of control panel and its charge/discharge control method of fixed battery pack
Technical field
The present invention relates to the power control unit design field of fixation battery pack, more particularly to a kind of fixation battery pack Control panel and its charge/discharge control method.
Background technology
Fixed is a vital classification of battery industry product with battery pack, and its handling characteristics is stationary applica-tions, battery Group does not move with discharge load, and monomer idle capacity is generally large or battery voltage is higher, rate and charging system during electric discharge Formula is also different from the power accumulator of electric car, is widely used in the fields such as communication equipment station UPS and energy storage, such as communication equipment station It is fixed to be typically connected into 48 volts of battery packs uses by 24 nominal 2 volts of monomer lead acid storage batteries with battery pack.Used due to fixed Battery pack is using lead-acid accumulator as the market mainstream, its relative low price, and conventional management of charging and discharging is typically to control whole group battery Both end voltage, for the modular battery or monomer that certain in battery pack falls behind, will cause by deep discharge, can be led to again during charging Overcharged, its capacity is accelerated decay.
In the development of technology in recent years, electric car industry is for the short problem of power battery pack application life, it is proposed that a variety of For the technical scheme of power battery group management, the application life of power battery pack is being improved to a certain degree, but use fixed Battery applications field, for the technical scheme relative deficiency of application life management.
Fixed why to be extremely difficult to design service life with battery pack, one of major reason is not find in time The modular battery or monomer of capacity lagging, therefore, industry wishes to seek to find that capacity falls in fixation battery pack in time to a kind of Afterwards modular battery or monomer, effectively prevent capacity lagging modular battery or monomer deep discharge and the technical scheme of overcharge, improve The physical life of fixation battery pack.
The content of the invention
It is an object of the present invention to for technology existing for the series battery routine management of charging and discharging of fixation battery pack Defect, there is provided a kind of control panel scheme for being different from conventional design, the control panel, which has, stores and be read capacity lagging The discharge voltage data of modular battery, the function of preventing capacity lagging modular battery deep discharge and overcharge, extend capacity and fall The matching service life of modular battery afterwards, reduce the replacement cost of series battery.Battery pack or module electricity of the present invention Pond uses for stationary applica-tions, such as fields such as communication equipment station UPS and energy storage;Described modular battery, including but not only It is limited to the commonly called A-battery group of industry or monomer.
To realize above-mentioned technical purpose, the invention provides a kind of control panel of fixed battery pack, the control panel Including:Signal processor, polling module, charging module, discharge module and digital independent interface;Described signal processor is at least Including voltage signal comparing function and logical process function, its signal input part connects the signal output part of the polling module, Its signal output part connects the signal input part of described discharge module, charging module and digital independent interface respectively;The number It is used to provide information data by connection for the digital independent equipment of outside according to interface is read;The power input of the discharge module End is connected with battery pack both ends, its power output end connection discharge load;The power output end connection of the charging module Battery pack both ends, its power input connection external power source;The polling module signal input part connection battery pack both ends with And in battery pack each modular battery series connection tap terminals;Described control panel performs convention floating charge to the fixation with battery pack Electricity, and control of discharge and the charge control operation of setting are performed to battery pack.
In the present invention, the fixation battery pack that the control panel uses is coordinated to include at least two modules being connected in series Battery, and serial interface of the modular battery both ends in battery pack is provided with tap terminals.
In above-mentioned technical proposal, the automatically controlled program that charge control operation is performed to battery pack is built in charging module, Charging module is preferentially controlled by the signal instruction of the signal processor to the constant voltage values that battery pack charges;Described is preferential It is controlled, it is the constant electricity that signal processor instruction is performed when charging module receives the signal instruction that signal processor is sent Pressure value, when signal processor is without instruction, charging module performs built-in automatically controlled program.
In above-mentioned technical proposal, the digital independent interface and the outside connected mode for reading equipment include data conductor with And Bluetooth technology.
One kind as above-mentioned technical proposal is improved, signal processor, polling module, the electric discharge mould of the control panel Discrete setting or selective combination settings or shared integrated module are set between block, charging module and digital independent interface.Institute The selective combination settings stated, including partial function the control submodule of each module or repertoire it is integrated, example Partial function or repertoire such as the polling module are integrated in signal processor, discharge module collection integrated with charging module Into design.
Based on the control panel of above-mentioned fixation battery pack, present invention also offers a kind of electricity of the fixation battery pack The charge/discharge control method of equipment is controlled, this method includes:
Step 1) is charged using charging module to battery pack with the float charge voltage value set.
Step 2) carries out data routing inspection using polling module to the real-time voltage of the modules battery;
Step 3) passes through signal processor receiving step 2) described in voltage polling data, and as signal processor will described in Voltage polling data compared with threshold values of storage setting in it, when detecting in battery pack under the voltage of any modular battery When dropping to the threshold values of interior storage setting, send signal control discharge module and terminate to battery power discharge;
Step 4) utilizes signal processor record and storage steps 2) or step 3) obtained termination battery power discharge moment The data of the minimum capacity lagging modular battery of magnitude of voltage;
Step 5) utilizes signal processor control charging module to charge battery pack after electric discharge is terminated, and passes through step 4) Data record, the voltage rise condition of the capacity lagging modular battery is monitored, when monitoring the capacity lagging module electricity During the charging upper limit value Vm/V for being reached interior storage setting by charging voltage in pond, perseverance is used as by charging voltage using the corresponding moment battery pack Determine magnitude of voltage, send signal instruction and control charging module to battery pack constant-voltage charge, when the electricity that charging module charges to battery pack When flowing down setting value built in being down to, the float charge voltage value floating charge set is transformed to.
In above-mentioned technical proposal, described step 4) also includes:Utilize signal processor record and storage steps 2) or step The real-time voltage data of the modules battery at the rapid termination battery power discharge moment 3) obtained.
In above-mentioned technical proposal, step 5) the signal processor control charging module is to battery pack after electric discharge is terminated Charging, including external power source incoming call starts immediately, the delay some time starts and treated in battery pack and appoints after external power source incoming call The voltage of one modular battery starts at the time of dropping to interior storage setting threshold values.The constant-voltage charge upper limit of storage setting in signal processor Value Vm/V, determined by the modular battery species of the battery pack, the described preferred National Technical marks of constant-voltage charge higher limit Vm/V Recommendation of the accurate or industry to the kind of module battery.
A kind of fixation of the present invention is with the control panel and its charge/discharge control method advantage of battery pack:
With the present invention control panel in series battery modules battery real-time voltage carry out signal acquisition, Processing, data are provided to read equipment outside the control panel, control capability backwardness modular battery not by deep discharge and not by Overcharge, so as to extend the matching service life of modular battery, reduce battery replacement cost.
Brief description of the drawings
Fig. 1 is signal monitoring structural representation of the conventional control panel to fixation battery pack.
Fig. 2 a be in the present invention control panel to the signal monitoring control structure schematic diagram of fixation battery pack.
Fig. 2 b are the structure rough schematic views of the control panel shown in Fig. 2 a.
Fig. 3 is the control panel logic control constructs schematic diagram of signal processor and polling module combination settings.
Fig. 4 is the control panel logic control constructs schematic diagram of charging module and discharge module combination settings.
It is automatically controlled with discharge module combination settings and signal processor and polling module combination settings that Fig. 5 is charging module Apparatus logic control structure schematic diagram.
Accompanying drawing identifies:
1st, battery pack 1a, the first modular battery 1b, the second modular battery
2nd, signal processor 3, polling module 5, discharge module
6th, charging module 7, discharge load 8, digital independent interface
9th, conventional discharge management system 10, normal charge management system
Embodiment
With reference to the accompanying drawings and examples further the control panel to a kind of fixed battery pack of the present invention and Its charge/discharge control method is described in detail.
Shown in Fig. 1 it is one and the most simple of fixation battery pack is formed by the first modular battery 1a and the second modular battery 1b State example, be the characteristics of conventional charge and discharge control the both ends using two modular battery 1a/1b series connection as voltage signal monitoring object, often Rule electric discharge management system 9 is all connected with the both ends of battery pack, this simple charge and discharge control pipe with normal charge management system 10 Reason system and the untrue actual discharge voltage for predicting two modular battery 1a/1b, it is inevitable when two modular batteries are unbalanced There is a wherein modular battery that deep discharge occurs.
It is automatically controlled in one embodiment of the control panel of fixation battery pack provided by the invention referring to shown in Fig. 2 a Equipment includes:Polling module 3, signal processor 2, discharge module 5, charging module 6 and digital independent interface 8, wherein, battery pack 1 is made up of two the first modular battery 1a being connected in series and the second modular battery 1b, and the first modular battery 1a and the second mould Block battery 1b serial interface is provided with series connection tap terminals;Signal processor 2 has the logical process function of voltage signal, and it is believed The voltage signal output end of number input connection polling module 3, its three signal output parts connect discharge module 5, charging respectively The signal input part of module 6 and digital independent interface;The both ends of the power input connection battery pack 1 of discharge module 5, its electricity Source output terminal connects the discharge load 7 of battery pack;The both ends of the power output end connection battery pack 1 of charging module 6, its power supply are defeated The external power source for entering the end connection fixation battery pack (represents logic control relation, Fig. 2 a do not indicate discharge module to be clear 5/ charging module 6 and the connection at the both ends of battery pack 1);Three signal input parts of polling module 3 connect the first modular battery respectively The both ends and series connection tap terminals that 1a and the second modular battery 1b are connected in series.In the embodiment, charging module 6 is to battery pack 1 Charged with the float charge voltage value of setting, when battery pack 1 is discharged, polling module 3 passes through the electric discharge to two modular battery 1a/1b Voltage carries out real-time inspection, and interior storage can be read in signal processor in real-time discharge voltage data dynamic storage, is set to be automatically controlled Standby outside reading equipment provides data;And by signal processor 2 two modular battery 1a/1b discharge voltage data with it is interior Storage data are compared, and when the magnitude of voltage for detecting any modular battery drops to the threshold values of interior storage setting, send signal control Discharge module 5 processed is terminated to battery power discharge;During the electric discharge observing and controlling, signal processor is also monitored and recorded in battery pack The data of the minimum capacity lagging modular battery of discharge voltage value, monitoring objective foundation is provided for battery pack charging next time, to electricity Pond group performs charging operations.
In the present invention, described control panel can with the conventional discrete setting of management of charging and discharging system of fixation battery pack, Also can be by its partial function or repertoire and described conventional management of charging and discharging System all-in-one Integration;Described discharge load 7 include the device of such as communication equipment station system, energy-storage system and other use fixation battery packs;Described fixation battery Group or/and modular battery, including the secondary cell used that can arbitrarily charge repeatedly, such as lead battery, lithium battery, nickel-based battery and gold Belong to hydrogen storage battery;Described modular battery can be that series/parallel forms inside cell or multiple cells Integration product, including modular battery group, modular battery group refer exclusively to more than two modular batteries internal or external series/parallel combinations Connected mode.
The internal structure of signal processor 2 generally comprises signaling interface, operating circuit and some function sub-modules, such as Interior storage, timing, computing submodule, due to the development of large scale integrated circuit, the one of in the market a large amount of signal logic processing Body IC-components, therefore in technical solutions according to the invention, the function that signal processor 2 needs only is illustrated, it is right Inside modules structure is not limited in any way.The threshold values of storage setting, preferred module battery 1a/1b species in the signal processor 2 National technical standard or industry recommendation depending on, such as modular battery 1a/1b select nominal 2V lead accumulator, rower recommend Electric discharge lower limit be 1.80V.
In the present invention, discharge module 5 has to be controlled and by the priority acccess control of signal processor 2 by the system of discharge load 7 Function, discharge module 5 can intactly independent design, the interface circuit of priority acccess control can also be added in conventional discharge management system And formed, including be arranged to switch with the logic power that battery power discharge output end is connected in series.Discharge module 5 is by signal transacting The digital control logic of method for controlling priority generally use 0/1 of device 2, in one embodiment, discharge module 5 and fixation battery Group the discrete setting of electric discharge management system, discharge module 5 for electric discharge management system priority acccess control interface circuit, the priority acccess control Interface circuit is controlled by 0/1 that signal processor 2 exports and instructed, the normal work when receiving " 1 " signal of discharge module 5, when Do not worked when receiving " 0 " signal.The power supply output form of the discharge module is any, including direct current, inversion are regular alternating current The waveform of electricity and electric current, frequency are any.Described termination electric discharge, including signal processor 2 control discharge module 5 to terminate to electricity The electric discharge of pond group 1, and discharge load 7 terminate the electric discharge to battery pack 1 in conventional operation, due to fixed logical with battery pack 1 It is often standby or uses as accessory power supply, it is priority that termination of the discharge load 7 to battery pack 1, which is discharged, and battery pack 1 exists The less electricity of emptying completely in actual use.
Charging module 6 has the function of being monitored to the constant-potential charge of battery pack 1 and charging current, and it fills to battery pack 1 Charging stream/limitation the current value that rises of electricity is sent in the built-in setting of charging module 6, charging constant voltage values according to signal processor 2 Signal instruction and preferentially perform, when signal processor 2 monitors capacity lagging modular battery, (discharge voltage value is most in battery pack It is low) risen to by charging voltage it is interior storage setting value when, send corresponding constant-voltage charge program or constant-voltage charge signal instruction control Charging module 6 performs charging operations to the real time charging voltage of battery pack 1 using this moment as constant voltage values;It is described to battery Group 1 perform conversion floating charging and and its conversion logical condition, set in charging module 6.Charging module 6 can independent design, Can also be added in normal charge management system can be formed by the logical control interface of the priority acccess control of signal processor 2.
Digital independent interface 8 is used to provide information data by connection for the reading equipment outside the control panel, believes Number processor 2 is provided with the submodule of storage in data, and outside is read equipment and the connected mode of digital independent interface 8 and can used Routine data wire, conductor interface can be with additional mechanical plug connectors;Described connected mode can also use electronics industry is used to claim Bluetooth technology, bluetooth described herein be a kind of achievable digital independent interface 8 by particular radio frequency (using 2.4- The UHF radio waves of 2.485GHz ISM band) read to the outside technology for reading equipment short distance and providing wireless data, data Take the data transmitting terminal that interface 8 is Bluetooth technology.The data of storage in the signal processor 2, including each modular battery with And battery pack 1 terminates the real-time voltage value of discharging time, such as signal processor 2 described in above example sends signal control and put (voltage of wherein one battery drops to letter to the magnitude of voltage at electric termination two modular battery 1a/1b of the battery power discharge moment of module 5 The magnitude of voltage of storage setting in number processor 2).By the connection of external data reading device, conveniently can obtain in battery pack Each modular battery terminates the real-time voltage value of discharging time, is easy to accurate detection, changes the modular battery of capacity lagging.
The integrated circuit modules that market is exclusively used in voltage signal inspection typically add microprocessor structure by A/D conversion special chips Into A/D conversion special chips are responsible for the analog signal of voltage being converted to data signal, and microprocessor is controlled right at different moments Certain modular battery in series battery is sampled, and is compared by the sampling time, can accurately know the reality of certain modular battery When voltage, using this kind of special polling module, the first modular battery 1a and second shown in Fig. 2 a is predicted from its output end can Modular battery 1b real-time voltage, the precision of the integrated circuit modules of this kind of special inspection signal transacting is general higher, and signal is defeated It is also more to enter end, suitable for the real-time voltage inspection of numerous modular batteries.When the signal input part for the signal processor 2 chosen Enough used times, the signal processing function of voltage polling can also be integrated in signal processor, the signal input of the voltage polling End is typically designed as (n+1) road input channel, and n is the modular battery number of elements in series battery, during work, in signal processor The A/D transform subblocks in portion are responsible for the analog signal of voltage being converted to data signal, and microprocessor is controlled right at different moments Certain modular battery in battery pack is sampled, and the real-time voltage of certain modular battery is more equally would know that by the sampling time.
In a polling module 3 and the interface-embodiment of battery pack, examined in determination is electric for the 48V at general communication machine station Pond group, the battery pack are composed in series by 24 2V lead accumulators, and its both ends adds 23 tap terminals totally 25 external signaling interfaces, point Do not connect with 25 signal input parts of polling module, polling module selection A/D conversion special chips, its signal output part is with believing The signal input part of number processor connects, and A/D conversion special chips are responsible for the analog signal of voltage being converted to data signal, by Signal processor 2 controls the polling module being sampled at different moments to the modular battery in series battery, passes through sampling Time compares, and can know the real-time voltage of certain modular battery.Real-time electricity of the polling module 3 except monitoring each modular battery Pressure, can also monitor battery pack both end voltage simultaneously.In the following drawings and explanation, polling module 3 and series electrical are no longer specially indicated The inspection schematic construction of modular battery in pond group 1, the control panel schematic diagram of inspection structure shown in Fig. 2 a are reduced to shown in Fig. 2 b.
In the present invention, polling module 3, signal processor 2, the charging module 6 of discharge module 5 and the data of the control panel Read interface 8 discrete to set, also alternative combination settings, the above-mentioned function by voltage polling module 3 are integrated at signal Reason device 2 is one embodiment of selective combination settings, as shown in Figure 3;Similarly, the function of discharge module 5 and charging module 6 Integrated module setting can be shared, as shown in Figure 4 and Figure 5;Even can by polling module 3, signal processor 2, discharge module 5, The repertoire that charging module 6 includes digital independent interface 8 shares integrated module setting.
Present invention also offers a kind of charge/discharge control method of the control panel of the fixation battery pack, this method with The real-time discharge voltage value of any modular battery in battery pack drops to foundation of the threshold values of interior storage setting as termination electric discharge, And filled using the capacity lagging modular battery in battery pack by charging pressure condition as monitoring object by signal processor control Electric module performs the charging operations of flotation constant pressure value to whole group battery.With reference to the control panel shown in figure 2-5, described discharge and recharge Control method specifically includes following steps:
Step 1) is charged using charging module 6 to battery pack 1 with the float charge voltage value of setting.
Step 2) carries out data routing inspection using polling module 3 to the real-time voltage of the modules battery;
Step 3) passes through the receiving step 2 of signal processor 2) described in voltage polling data, and by signal processor 2 by institute The voltage polling data stated are compared with the threshold values of storage setting in it, when the electricity for detecting any modular battery in battery pack 1 When pressure drops to the threshold values of interior storage setting, send signal control discharge module 5 and terminate and battery pack 1 is discharged;
Step 4) utilizes the record of signal processor 2 and storage steps 2) or step 3) obtained termination battery pack 1 when discharging Carve the data of the minimum capacity lagging modular battery of magnitude of voltage;
Step 5) utilizes signal processor 2 to control charging module 6 to charge battery pack 1 after electric discharge is terminated, and passes through step Rapid data record 4), the voltage rise condition of the capacity lagging modular battery is monitored, when monitoring the capacity lagging mould During the charging upper limit value Vm/V for being reached interior storage setting by charging voltage of block battery, with the corresponding moment battery pack 1 by charging voltage As constant voltage values, send signal instruction and control charging module 6 to the constant-voltage charge of battery pack 1, when charging module 6 is to battery pack When the electric current of 1 charging drops to built-in setting value, the float charge voltage value floating charge set is transformed to.
Existing fixation is to monitor the voltage at battery pack both ends with the conventional charge and discharge control equipment of battery pack, causes capacity to fall Modular battery afterwards is by deep discharge and is overcharged.The charge/discharge control method of control panel of the present invention is monitoring modules electricity The voltage status in pond, lower limit is reached as according to whole group battery discharge is terminated using the discharge voltage of any modular battery, prevents capacity Backward modular battery deep discharge.The data of step 4) capacity lagging modular battery described above, including its discharge voltage value or Its position memory in a power, the technical purpose of the data is recorded using signal processor 2, be for battery pack 1 next time Charging provides the target foundation of voltage monitoring.
Above-mentioned steps 5) in, different recharge logics can be set after electric discharge is terminated to battery pack 1 in signal processor 2, described It is a kind of conventional method that external power source incoming call starts immediately;Some time that is delayed after external power source incoming call starts, such as is delayed 15 Minute (treating that battery bounce voltage is stable) restarts charging procedure, is a kind of method for optimizing of Reasonable Protection battery;It is described to treat electricity Start at the time of the voltage of any modular battery drops to interior storage setting threshold values in the group of pond, using the readable of signal processor 2 The function of interior storage increase record discharge time is taken, so that outside digital independent equipment connects by connecting described digital independent Mouth 8 reads the battery pack 1 discharge time data of storage in signal processor 2, further lifts the control panel and uses fixed The technical management function of battery pack.
By the record of step 4), the monitoring that signal processor 2 charges to battery pack 1 is with capacity lagging modular battery Be foundation by charging voltage, the Vm/V moment is risen to its voltage come determine to battery pack 1 charge constant pressure value, the Vm/V values according to The species of the modular battery is by storage setting in signal processor 2.Such as it is being composed in series by 24 nominal 2V lead accumulators In communication equipment station fixation battery pack, the industry recommendation that nominal 2V lead accumulators constant pressure is filled is 2.35V, works as signal processor 2 monitor when being risen to 2.35V by charging voltage of capacity lagging modular battery, send signal and control charging module 6 at this moment The real-time voltage to be charged to battery pack 1 is as constant voltage values, so as to prevent capacity lagging modular battery overcharge;Charging module The logical condition of the 6 conversion float charge voltage values, the electric current to be charged to battery pack 1 drop to built-in setting value, the setting value Chosen between 0.01-0.03C/A, described float charge voltage value depends on battery variety, and its preferred value is industry technology personnel It is known, such as the fixation at communication equipment station with battery pack is usually lead accumulator, its float charge voltage preferred value is 2.23V/ single lattices.
Above-mentioned steps 4) also included record using the interior storage that can be read of signal processor 2 and store modules battery and exist The real-time voltage data of discharging time are terminated, are to be external data reading device by connecting in digital independent interface 8 reads Data are store, make user very clear to the capacity status of modules battery in battery pack 1.
Following examples are only used for further illustrating technical scheme, and these technical schemes can be used alone, It can add or combine and use other mature technologies.
Embodiment 1
Design a kind of control panel of communication equipment station fixation battery pack, the control panel includes polling module 3, at signal Manage device 2, discharge module 5, charging module 6 and digital independent interface 8, wherein, the fixation at the supporting communication equipment station with battery pack 1 by 24 2V500Ah lead accumulator is composed in series, and the serial interface of 24 batteries is provided with series connection tap terminals, i.e. 48V electricity Pond group adds 23 tap terminals totally 25 external signaling interfaces by its both ends, and 25 signal input parts with polling module 3 connect respectively Connect;Signal processor 2 has voltage signal comparing function and logical process function, its signal input part connection polling module 3 Signal output part, its three signal output parts connect the signal input of the signal input part of discharge module 5, charging module 6 respectively End and the signal input part of digital independent interface 8, control logic structural representation such as Fig. 2 b of each functional module of the control panel It is shown.
The both ends of the power input connection battery pack 1 of discharge module 5, the electric discharge of its power output end connection battery pack are born 7 are carried, the discharge module 5 adds priority acccess control interface circuit by communication equipment station conventional discharge management system and formed, and is preferentially controlled by 0/1 instruction that signal processor 2 exports, the normal work when receiving " 1 " signal, does not work when receiving " 0 " signal.Charging The both ends of the power output end connection battery pack 1 of module 6, its power input connection fixed external electrical for using battery pack 1 Source, charging module 6 are built-in with some charging procedures.
When the control panel works, signal processor 2 sends " 1 " signal to control discharge module 5, and discharge module 5 is by logical The conventional discharge management system control regular picture at letter machine station;Polling module 3 is obtained real by the inspection to 24 lead accumulators When discharge voltage data, polling period be 3 seconds, the real-time discharge voltage data for each battery that each inspection is obtained is sent to Signal processor 2, by signal processor 2 compared with the data of interior storage setting, when signal processor 2 detects that 24 lead store When the magnitude of voltage of any battery drops to the 1.80V of interior storage setting in battery, by sending " 0 " signal to control discharge module 5 And preferentially terminate the electric discharge to 48V battery packs 1.During the electric discharge observing and controlling, signal processor 2 also to discharge voltage relatively most The battery that low or termination discharging time reaches 1.80V first makes record, and the record is being believed with the position signalling in power circuit The interior storage of number processor 2 is kept in, as signal processor 2 to the fixed voltage monitoring target with charging next time of battery pack 1 Foundation.
Charging procedure is set as:When external power source has electricity, battery pack 1 is not discharged, and charging module 6 is with 53.52V voltage To the floating charge of battery pack 1 (the average value of the charging constant pressure of 24 batteries is 2.23V);After battery pack 1 is discharged, as long as external electrical There is electricity in source, and signal processor 2 is started charging module 6 and battery pack 1 is charged with 50A constant currents immediately, when signal processor 2 is supervised When measuring the voltage of the battery that voltage in discharge process is relatively minimum or discharge voltage reaches 1.80V first and rising to 2.35V, hair Go out signal control charging module 6 using this moment to the real-time voltage that battery pack 1 charges as constant voltage values, limit 50A electric currents Charging, and above-mentioned charging constant pressure value is transformed to the floating of 53.52V by charging module 6 when charging current drops to 10.00A Charging voltage value.
Signal processor 2 is provided with storage submodule in data, and digital independent interface 8 provides data to the outside equipment that reads Interface is the socket connected with data conductor, and it is matched plug that equipment and the light current Interface design of the socket are read in outside Form, equipment is read in outside can connect the data for reading storage in signal processor 2 by digital independent interface 8, and the data are:Institute The real-time voltage value that fixation battery pack 1 terminates 24 lead accumulators of discharging time is stated, including signal processor 2 sends " 0 " letter Number control discharge module 5 terminates that (magnitude of voltage of wherein at least one battery has dropped to storage setting in signal processor 2 1.80V) and not signal processor 2 sends " 0 " signal control discharge module 5 and terminates 24 of the discharging time of battery pack 1 The real-time voltage value of lead accumulator.
The control panel of the present embodiment is connected by the digital independent equipment of outside with data conductor, can conveniently be fixed The real-time voltage value of discharging time is terminated with each battery in battery pack, is easy to detect, changes capacity lagging battery, is made described logical The fixation at letter machine station obtains effective Support with battery pack.
Embodiment 2
On the basis of embodiment 1, the discharge module 5 of embodiment 1 and charging module 6 are carried out into integrated design, referred to Structure shown in Fig. 4.Digital independent interface 8 is designed as blue-teeth data transmitting terminal by the present embodiment simultaneously, by using specific nothing Line frequency (the UHF radio waves of 2.4-2.485GHz ISM band) carries to the outside equipment that reads for being designed as bluetooth receiving terminal For short distance wireless data, the control panel in remaining structure of control panel and the control method of discharge and recharge, with embodiment 1 And charge/discharge control method is identical.
The control panel of the present embodiment is made the blue-teeth data of external dedicated read equipment and more easily obtained by Bluetooth technology The real-time voltage value that discharging time is terminated with each battery in battery pack must be fixed, makes the communication equipment station fixation battery pack Support manages upper technology application step.
It should be noted last that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although ginseng The present invention is described in detail according to embodiment, it will be understood by those within the art that, to the technical side of the present invention Case is modified or equivalent substitution, and without departure from the spirit and scope of technical solution of the present invention, it all should cover in the present invention Right among.

Claims (7)

1. a kind of control panel of fixed battery pack, it is characterised in that including signal processor (2), polling module (3), put Electric module (5) charging module (6) and digital independent interface (8), the signal processor (2) signal input part connection described in patrol Examine module (3) signal output part, its signal output part respectively with the discharge module (5), charging module (6) and digital independent The signal input part connection of interface (8);The digital independent interface (8) is used to carry by connection for outside digital independent equipment For information data;The power input of the discharge module (5) is connected to be connected with battery pack (1) both ends, its power output end Connect discharge load (7);Power output end connection battery pack (1) both ends of the charging module (6), the connection of its power input are outer Portion's power supply;Each modular battery in signal input part connection battery pack (1) both ends of the polling module (3) and battery pack (1) Series connection tap terminals;Described control panel performs convention floating charging to the fixed battery pack (1), and to battery pack (1) Perform control of discharge and the charge control operation of setting.
2. the control panel of fixation battery pack according to claim 1, it is characterised in that described to be held to battery pack (1) The automatically controlled program of row charge control operation is built in charging module (6), the constant electricity that charging module (6) charges to battery pack (1) Pressure value is preferentially controlled by the signal instruction of the signal processor (2).
3. the control panel of fixation battery pack according to claim 1, it is characterised in that the signal processor (2), Discrete setting or selectivity combination between polling module (3), discharge module (5), charging module (6) and digital independent interface (8) Set, or shared integrated module is set.
4. the control panel of fixation battery pack according to claim 1, it is characterised in that described digital independent interface (8) data conductor and Bluetooth technology are included with the outside connected mode for reading equipment.
5. the charge/discharge control method of the control panel based on any fixation battery pack of Claims 1 to 4, this method bag Include:
Step 1) is charged using charging module (6) to battery pack (1) with the float charge voltage value of setting.
Step 2) carries out data routing inspection using polling module (3) to the real-time voltage of the modules battery;
Step 3) passes through signal processor (2) receiving step 2) described in voltage polling data, and by signal processor (2) by institute The voltage polling data stated are compared with threshold values of storage setting in it, when detecting any modular battery in battery pack (1) When voltage drops to the threshold values of interior storage setting, send signal control discharge module (5) and terminate and battery pack (1) is discharged;
Step 4) using signal processor (2) record and storage steps 2) or step 3) obtain termination battery pack (1) electric discharge when Carve the data of the minimum capacity lagging modular battery of magnitude of voltage;
Step 5) utilizes signal processor (2) control charging module (6) to charge battery pack (1) after electric discharge is terminated, and passes through The data record of step 4), the voltage rise condition of the capacity lagging modular battery is monitored, when monitoring the capacity lagging During the charging upper limit value Vm/V for being reached interior storage setting by charging voltage of modular battery, with being filled for corresponding moment battery pack (1) Voltage sends signal instruction control charging module (6) to battery pack (1) constant-voltage charge, works as charging module as constant voltage values (6) when the electric current to be charged to battery pack (1) drops to built-in setting value, it is transformed to the float charge voltage value floating charge set.
6. the charge/discharge control method of the control panel of fixation battery pack according to claim 5, it is characterised in that described Step 4) also include:Utilize signal processor (2) record and storage steps 2) or the obtained termination battery pack (1) of step 3) put The real-time voltage data of the modules battery at electric moment.
7. the charge/discharge control method of the control panel of fixation battery pack according to claim 5, it is characterised in that described Step 5) signal processor (2) control charging module (6) is terminating the charging after discharging, including external power source to battery pack (1) The electricity that incoming call starts immediately, the delay some time starts and treated any modular battery in battery pack (1) after external power source incoming call Pressure starts at the time of dropping to interior storage setting threshold values.
CN201710690273.7A 2017-08-14 2017-08-14 A kind of control panel and its charge/discharge control method of fixed battery pack Pending CN107453431A (en)

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Publication number Priority date Publication date Assignee Title
CN101592946A (en) * 2009-06-22 2009-12-02 山东电力集团公司济南供电公司 A kind of remotely monitoring communication network storage battery method and system
CN102315492A (en) * 2010-07-07 2012-01-11 上海航天电源技术有限责任公司 Power battery pack maintenance device and working method thereof
CN204794175U (en) * 2015-06-17 2015-11-18 沈阳飞机工业(集团)有限公司 Intelligent charging and discharging equipment
CN206348440U (en) * 2016-12-01 2017-07-21 河北普及达电气设备科技有限公司 A kind of accumulator inspection system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101592946A (en) * 2009-06-22 2009-12-02 山东电力集团公司济南供电公司 A kind of remotely monitoring communication network storage battery method and system
CN102315492A (en) * 2010-07-07 2012-01-11 上海航天电源技术有限责任公司 Power battery pack maintenance device and working method thereof
CN204794175U (en) * 2015-06-17 2015-11-18 沈阳飞机工业(集团)有限公司 Intelligent charging and discharging equipment
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Application publication date: 20171208