CN104578313B - A kind of satellite lithium-ions battery group charging device - Google Patents
A kind of satellite lithium-ions battery group charging device Download PDFInfo
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- CN104578313B CN104578313B CN201510041400.1A CN201510041400A CN104578313B CN 104578313 B CN104578313 B CN 104578313B CN 201510041400 A CN201510041400 A CN 201510041400A CN 104578313 B CN104578313 B CN 104578313B
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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
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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
- H02J7/36—Arrangements using end-cell switching
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
- Secondary Cells (AREA)
Abstract
A kind of satellite lithium-ions battery group charging device, relates to satellite power supply field.Solving existing satellite power system charging device cannot be to the problem of two groups of lithium-ions battery group rotation chargings.Four solar battery arrays are connected with four road charge powers and drive circuit respectively, a road Hou Yu tri-road charge current sample circuit is merged in four road charge powers and drive circuit output and two-way charging switching switch connects, power supply slave computer is connected with the charging control signal input of two-way charging switching switch, two-way charging switching switch is connected with two accumulator batteries respectively, accumulator battery voltage sample circuit is for carrying out voltage sample to accumulator battery, two-way accumulator battery voltage sample circuit and power supply slave computer are connected with the control signal input of battery error amplifying circuit simultaneously, three road charge current sample circuit are connected with battery error amplifying circuit, battery error amplifying circuit and four road charge powers and drive circuit connect.The present invention is applicable to be powered satellite power supply.
Description
Technical field
The present invention relates to satellite power supply field.
Background technology
Satellite power system is the most important energy resource system of satellite, and power-supply system is mainly by accumulator, solar battery array and power supply control
Control equipment forms.Power control unit be generally of shunting, charge, discharge, the function such as parameter acquisition and instruction control.Power supply
The charging device of control equipment is often according to accumulator battery monomer and the quantitative design of accumulator battery.If power control unit
Charging control circuit is designed only for a group storage battery group and has been developed, in the case of not changing solar battery array quantity,
Often cannot realize two group storage battery group rotation chargings are controlled.To realize two group storage battery groups are carried out rotation charging, then need
Redesign and develop charging device.So certainly will extend the power-supply controller of electric even lead time of satellite, increase grinding of satellite
Make this.If not changing design and developing, utilize the charging device to a group storage battery group can realize two group storage battery groups same
Time charging, but so can reduce accumulator use reliability and safety, such as can when a group storage battery is short-circuited fault
Another group storage battery can be caused to lose efficacy.
Summary of the invention
The present invention is to solve that two groups of lithium-ions battery group rotation chargings cannot be asked by existing satellite power system charging device
Topic, it is proposed that a kind of satellite lithium-ions battery group charging device.
A kind of satellite lithium-ions battery group charging device includes power supply slave computer, four solar battery arrays, four road charge powers
And drive circuit, battery error amplifying circuit, two chargings switching switch, three road charge current sample circuit, two accumulator
Group and two-way accumulator battery voltage sample circuit, the electric power signal outfan of described four solar battery arrays respectively with four tunnels charging merits
The electric power signal input of rate and drive circuit connects, and the electric power signal outfan of four road charge powers and drive circuit merges into one
The while of behind road, sampled signal input and two-way charging with three road charge current sample circuit switch the electric power signal input switched
Connecting, the charging control signal input that the charging control signal outfan of power supply slave computer switchs with two-way charging switching simultaneously is even
Connecing, the electric power signal outfan of two-way charging switching switch is connected with electric power signal input with two accumulator batteries respectively, and two
The voltage signal output end of individual accumulator battery voltage signal inputs with two-way accumulator battery voltage sample circuit respectively is connected, and two
The switch-over control signal outfan of the voltage signal output end of road accumulator battery voltage sample circuit and power supply slave computer is simultaneously and battery
The control signal input of error amplifying circuit connects, and the current signal output end of three road charge current sample circuit is simultaneously and battery
The current signal input of error amplifying circuit connects, and the control signal outfan of battery error amplifying circuit charges with four tunnels simultaneously
The control signal input of power and drive circuit connects.
Beneficial effect: the present invention provides a kind of general storage battery pack charging device, in the case of solar battery array quantity is constant,
It is applicable to utilize solar battery array that one group storage battery is charged, is equally applicable to utilize solar battery array that two group storage battery rotations are filled
Electricity.When solar battery array quantity increases, the device that the available two set present invention provide, to a group storage battery charging or right
Two group storage battery rotation chargings, it is achieved that the charging rotation to two groups of lithium-ions battery groups controls and one group of lithium-ions battery group
Trickle charge control, achieve improve satellite power supply subsystem Performance And Reliability beneficial effect.
Accompanying drawing explanation
Fig. 1 is the principle schematic of a kind of satellite lithium-ions battery group charging device of the present invention；
Fig. 2 is the charge power described in detailed description of the invention two and the principle schematic of drive circuit 2；
Fig. 3 is the principle schematic of the charging switching switch 3 described in detailed description of the invention four；
Fig. 4 is the principle schematic of the battery error amplifying circuit 7 described in detailed description of the invention six.
Detailed description of the invention
Detailed description of the invention one, combine Fig. 1 this detailed description of the invention is described, a kind of satellite lithium described in this detailed description of the invention
Ion accumulator group charging device include 8, four solar battery array 1, four road charge powers of power supply slave computer and drive circuit 2,
Battery error amplifying circuit 7, two charging switching switch 3, three road 6, two accumulator batteries 4 and two of charge current sample circuit
Road accumulator battery voltage sample circuit 5, the electric power signal outfan of described four solar battery arrays 1 respectively with four road charge powers
And the electric power signal input of drive circuit 2 connects, the electric power signal outfan of four road charge powers and drive circuit 2 is merged into
The while of behind one tunnel, sampled signal input and two-way with three road charge current sample circuit 6 charge and switch the electric power signal of switch 3
Input connects, and the charging that the charging control signal outfan of power supply slave computer 8 switchs 3 with two-way charging switching simultaneously controls letter
Number input connects, the electric power signal outfan of two-way charging switching switch 3 with respectively with the electric power signal of two accumulator batteries 4
Input connects, the voltage signal output end of two accumulator batteries 4 respectively with the voltage of two-way accumulator battery voltage sample circuit 5
Signal input part connects, the voltage signal output end of two-way accumulator battery voltage sample circuit 5 and the switching control of power supply slave computer 8
Signal output part processed is connected with the control signal input of battery error amplifying circuit 7 simultaneously, three road charge current sample circuit 6
Current signal output end be connected with the current signal input of battery error amplifying circuit 7 simultaneously, battery error amplifying circuit 7
Control signal outfan be connected with the control signal input of four road charge powers and drive circuit 2 simultaneously.
Detailed description of the invention two, combine Fig. 2 this detailed description of the invention is described, this detailed description of the invention and detailed description of the invention one institute
The difference of a kind of satellite lithium-ions battery group charging device stated is, described four road charge powers and the knot of drive circuit 2
Structure is identical, and every road charge power and drive circuit 2 all include comparator 2-1, gate drive circuit 2-2, MOSFET2-3
With diode 2-4, the control signal input of described comparator 2-1 inputs as the control signal of charge power and drive circuit 2
End is connected with the control signal outfan of battery error amplifying circuit 7, the control signal outfan of comparator 2-1 and door and driving
The control signal input of circuit connects, and the control signal outfan of gate drive circuit 2-2 is connected with the grid of MOSFET2-3,
The drain electrode of MOSFET2-3 is connected with the electric power signal outfan of solar battery array 1, the source electrode of MOSFET2-3 and diode 2-4
Anode connect, the negative electrode of diode 2-4 as charge power and drive circuit 2 electric power signal outfan export electric power signal.
In present embodiment, the accumulator battery voltage error signal of battery error amplifying circuit 7 output and accumulator battery reference voltage
Signal exports low and high level control signal after comparator 2-1, and gate drive circuit 2-2 receives the control of comparator 2-1 output
Signal, when charging controls as high level, gate drive circuit 2-2 is output as high level, and charging regulation MOSFET2-3 turns off,
Solar battery array 1 stops charging accumulator battery 4, and when charging controls as low level, gate drive circuit is output as low level,
Regulation MOSFET2-3 is open-minded in charging, and accumulator battery 4 is charged by solaode 1.
MOSFET2-3 described in present embodiment uses 16SYQ060C to realize.
Detailed description of the invention three, this detailed description of the invention and a kind of satellite lithium-ions battery described in detailed description of the invention two
The difference of group charging device is, described three road charge current sample circuit 6 all use image current sampling to realize.
Detailed description of the invention four, combine Fig. 3 this detailed description of the invention is described, this detailed description of the invention and detailed description of the invention three institute
The difference of a kind of satellite lithium-ions battery group charging device stated is, the structure of said two charging switching switch 3 is complete
Identical, each charging switching switch 3 all includes gate drive circuit 3-1, MOSFET3-2 and Schottky diode 3-3, institute
State gate drive circuit 3-1 for receiving the charging control signal of power supply slave computer 8 output, the control of gate drive circuit 3-1
Signal output part is connected with the grid of MOSFET3-2, and the drain electrode of MOSFET3-2 is as the electric power signal of charging switching switch 3
The electric power signal outfan of input and four road charge powers and drive circuit 2 is merged into the signal behind a road and is connected,
The source electrode of MOSFET3-2 is connected with the anode of Schottky diode 3-3, and the negative electrode of Schottky diode 3-3 changes as charger
The electric power signal outfan of switch is connected with the electric power signal input of accumulator battery 4.
In present embodiment, gate drive circuit 3-1 receives the charging control signal of power supply slave computer 8 outfan, when charging control
When being made as high level, gate drive circuit 3-1 is output as low level, and regulation MOSFET3-2 is open-minded in charging, solar battery array 1
Being charged accumulator battery 4, when charging controls as low level, gate drive circuit 3-1 is output as high level, and charging is adjusted
Joint MOSFET3-2 turns off, and solar battery array stops being charged accumulator battery.
MOSFET3-2 described in present embodiment uses IRF5M5210 to realize；Schottky diode 3-3 uses 35SGQ060
Realize.
Detailed description of the invention five, this detailed description of the invention and a kind of satellite lithium-ions battery described in detailed description of the invention four
The difference of group charging device is, the structure of described two-way accumulator battery voltage sample circuit 5 is identical, every road accumulator battery
Voltage sampling circuit 5 all includes battery voltage sampling circuit, divider resistance and operational amplifier, described battery voltage sampling circuit
For sampling the voltage signal of accumulator battery 4, the voltage signal of battery voltage sampling circuit output is through divider resistance dividing potential drop
Rear transmission is believed to operational amplifier, the voltage signal output end of operational amplifier as the voltage of accumulator battery voltage sample circuit 5
Number outfan is connected with the amplification signal input part of battery error amplifying circuit 7.
In present embodiment, operational amplifier uses LM158 to realize.
Detailed description of the invention six, combine Fig. 4 this detailed description of the invention is described, this detailed description of the invention and detailed description of the invention five institute
The difference of a kind of satellite lithium-ions battery group charging device stated is, described battery error amplifying circuit 7 includes three tunnel controls
Circuit processed and two from three voting circuit 7-4, the control signal outfan of described three tunnel control circuits respectively with two from three voting circuit
Three control signal inputs of 7-4 connect, described every road control circuit all include accumulator battery voltage sampling switching switch 7-1,
Voltage control loop 7-2 and current controlled circuit 7-3, the control signal input of accumulator battery voltage sampling switching switch 7-1 is made
Control signal input for battery error amplifying circuit 7 is the most defeated with the voltage signal of two-way accumulator battery voltage sample circuit 5
The switch-over control signal outfan going out end and power supply slave computer 8 connects, when the switch-over control signal of power supply slave computer 8 is low level
Time, the voltage signal of an accumulator battery voltage sampling switching switch 7-1 output wherein road accumulator battery voltage sample circuit 5, when
When the switch-over control signal of power supply slave computer 8 is high level, accumulator battery voltage sampling switching switch 7-1 exports another road electric power storage
The voltage signal of pond group voltage sampling circuit 5, the voltage signal output end of accumulator battery voltage sampling switching switch 7-1 and voltage
The voltage signal inputs controlling loop 7-2 connects, the voltage signal output end of voltage control loop 7-2 and a road charging current
The current signal output end of sample circuit 6 is connected with the current signal input of current controlled circuit 7-3 simultaneously, current regulator
The control signal outfan of the road 7-3 control signal outfan as control circuit and the control signal of two from three voting circuit 7-4
Input connects, and the control signal outfan of two from three voting circuit 7-4 is defeated as the control signal of battery error amplifying circuit 7
Go out end to be connected with the control signal input of four road charge powers and drive circuit 2 simultaneously.
Charging device of the present invention is capable of two accumulator batteries carrying out rotation charging and carrying out an accumulator battery
Trickle charge, the operation principle that two group storage battery groups carry out rotation charging is:
By one of them charging switching switch 3 shutoff, another charging switching switch 3 conducting, two-way accumulator battery voltage simultaneously
The output of sample circuit 5 exports respectively as the voltage sample of two accumulator batteries 4, the voltage control of battery error amplifying circuit 7
The voltage sampling signal error of one of them accumulator battery 4 is amplified, successively through current controlled circuit 7-3 and three by loop 7-2 processed
Export after taking two voting circuits 7-4 to charge power and drive circuit 2, the charged power of electric energy of solar battery array 1 and driving electricity
Accumulator battery 4 is charged by road 2, charge current sample circuit 6 and charging switching switch 3；
The shutoff of above-mentioned charging switching switch 3 is exchanged with conducting state, and by the voltage of battery error amplifying circuit 7
Control loop 7-2 the voltage sampling signal error of another one accumulator battery 4 is amplified, more successively through current controlled circuit 7-3
With export after two from three voting circuit 7-4 to charge power and drive circuit 2, the charged power of electric energy of solar battery array 1 and driving
Accumulator battery 4 is charged by galvanic electricity road 2, charge current sample circuit 6 and charging switching switch 3；Realize two with this
Accumulator battery carries out rotation charging.
The operation principle that one accumulator battery carries out trickle charge is:
Charging switching switch 3 conducting being connected with accumulator battery 4, the output of accumulator battery voltage sample circuit 5 simultaneously is respectively
Voltage sample as two accumulator batteries 4 exports, and the voltage control loop 7-2 of battery error amplifying circuit 7 is to accumulator battery 4
Voltage sampling signal error amplify, export to merit of charging after current controlled circuit 7-3 and two from three voting circuit 7-4 successively
Rate and drive circuit 2, the charged power of electric energy of solar battery array 1 and drive circuit 2, charge current sample circuit 6 and charging
Switching switch 3 carries out trickle charge to accumulator battery 4.
Claims (5)
- null1. a satellite lithium-ions battery group charging device，It includes power supply slave computer (8)、Four solar battery arrays (1)、Four road charge powers and drive circuit (2)、Battery error amplifying circuit (7)、Two chargings switching switch (3)、Three roads charge current sample circuit (6)、Two accumulator batteries (4) and two-way accumulator battery voltage sample circuit (5)，The electric power signal outfan of described four solar battery arrays (1) electric power signal input with four road charge powers and drive circuit (2) respectively is connected，The electric power signal outfan of four road charge powers and drive circuit (2) is connected with the sampled signal input on three roads charge current sample circuit (6) and the electric power signal input of two-way charging switching switch (3) after merging into a road simultaneously，The charging control signal input that the charging control signal outfan of power supply slave computer (8) switchs (3) with two-way charging switching simultaneously is connected，The electric power signal outfan of two-way charging switching switch (3) is connected with electric power signal input with two accumulator batteries (4) respectively，The voltage signal output end of two accumulator batteries (4) voltage signal inputs with two-way accumulator battery voltage sample circuit (5) respectively is connected，The voltage signal output end of two-way accumulator battery voltage sample circuit (5) and the switch-over control signal outfan of power supply slave computer (8) are connected with the control signal input of battery error amplifying circuit (7) simultaneously，The current signal output end on three roads charge current sample circuit (6) is connected with the current signal input of battery error amplifying circuit (7) simultaneously，The control signal outfan of battery error amplifying circuit (7) is connected with the control signal input of four road charge powers and drive circuit (2) simultaneously；nullIt is characterized in that，The structure of described four road charge powers and drive circuit (2) is identical，Every road charge power and drive circuit (2) all include comparator (2-1)、Gate drive circuit (2-2)、MOSFET (2-3) and diode (2-4)，The control signal input of described comparator (2-1) is connected with the control signal outfan of battery error amplifying circuit (7) as the control signal input of charge power and drive circuit (2)，The control signal outfan of comparator (2-1) is connected with the control signal input of gate drive circuit，The control signal outfan of gate drive circuit (2-2) is connected with the grid of MOSFET (2-3)，The drain electrode of MOSFET (2-3) is connected with the electric power signal outfan of solar battery array (1)，The source electrode of MOSFET (2-3) is connected with the anode of diode (2-4)，The negative electrode of diode (2-4) exports electric power signal as the electric power signal outfan of charge power and drive circuit (2).
- A kind of satellite lithium-ions battery group charging device the most according to claim 1, it is characterised in that described three roads charge current sample circuit (6) all use image current sampling to realize.
- nullA kind of satellite lithium-ions battery group charging device the most according to claim 2，It is characterized in that，The structure of said two charging switching switch (3) is identical，Each charging switching switch (3) all includes gate drive circuit (3-1)、MOSFET (3-2) and Schottky diode (3-3)，Described gate drive circuit (3-1) is used for receiving the charging control signal that power supply slave computer (8) exports，The control signal outfan of gate drive circuit (3-1) is connected with the grid of MOSFET (3-2)，Signal after the drain electrode of MOSFET (3-2) merges into a road as the electric power signal input of charging switching switch (3) and the electric power signal outfan of four road charge powers and drive circuit (2) connects，The source electrode of MOSFET (3-2) is connected with the anode of Schottky diode (3-3)，The negative electrode of Schottky diode (3-3) is connected as the electric power signal input of electric power signal outfan and accumulator battery (4) that charger changes switch.
- A kind of satellite lithium-ions battery group charging device the most according to claim 3, it is characterized in that, the structure of described two-way accumulator battery voltage sample circuit (5) is identical, every road accumulator battery voltage sample circuit (5) all includes battery voltage sampling circuit, divider resistance and operational amplifier, described battery voltage sampling circuit is for sampling to the voltage signal of accumulator battery (4), the voltage signal of battery voltage sampling circuit output sends to operational amplifier after divider resistance dividing potential drop, the voltage signal output end of operational amplifier is connected with the amplification signal input part of battery error amplifying circuit (7) as the voltage signal output end of accumulator battery voltage sample circuit (5).
- nullA kind of satellite lithium-ions battery group charging device the most according to claim 4，It is characterized in that，Described battery error amplifying circuit (7) includes three tunnel control circuits and two from three voting circuit (7-4)，The control signal outfan of described three tunnel control circuits is connected with three control signal inputs of two from three voting circuit (7-4) respectively，Described every road control circuit all includes accumulator battery voltage sampling switching switch (7-1)、Voltage control loop (7-2) and current controlled circuit (7-3)，The control signal input of accumulator battery voltage sampling switching switch (7-1) is connected with the voltage signal output end of two-way accumulator battery voltage sample circuit (5) and the switch-over control signal outfan of power supply slave computer (8) as the control signal input of battery error amplifying circuit (7) simultaneously，When the switch-over control signal of power supply slave computer (8) is low level，The voltage signal on accumulator battery voltage sampling switching switch (7-1) output wherein road accumulator battery voltage sample circuit (5)，When the switch-over control signal of power supply slave computer (8) is high level，Accumulator battery voltage sampling switching switch (7-1) exports the voltage signal on another road accumulator battery voltage sample circuit (5)，The voltage signal output end of accumulator battery voltage sampling switching switch (7-1) is connected with the voltage signal inputs of voltage control loop (7-2)，The voltage signal output end of voltage control loop (7-2) and the current signal output end on road charge current sample circuit (6) are connected with the current signal input of current controlled circuit (7-3) simultaneously，The control signal outfan of current controlled circuit (7-3) is connected with the control signal input of two from three voting circuit (7-4) as the control signal outfan of control circuit，The control signal outfan of two from three voting circuit (7-4) is connected with the control signal input of four road charge powers and drive circuit (2) as the control signal outfan of battery error amplifying circuit (7) simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510041400.1A CN104578313B (en) | 2015-01-28 | 2015-01-28 | A kind of satellite lithium-ions battery group charging device |
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| CN201510041400.1A CN104578313B (en) | 2015-01-28 | 2015-01-28 | A kind of satellite lithium-ions battery group charging device |
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| CN104578313A CN104578313A (en) | 2015-04-29 |
| CN104578313B true CN104578313B (en) | 2017-01-04 |
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| CN106786563B (en) * | 2017-02-24 | 2019-07-12 | 北京空间飞行器总体设计部 | A kind of autonomous switching circuit of binary channel platform power |
| CN107831686B (en) * | 2017-10-25 | 2020-08-11 | 上海空间电源研究所 | Digital control system for satellite power supply controller |
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| US5281859A (en) * | 1991-06-13 | 1994-01-25 | Molex Incorporated | Automatically switched power receptacle |
| CN201639320U (en) * | 2010-01-18 | 2010-11-17 | 上海东裕电动车有限公司 | Electric vehicle and solar charging device thereof |
| CN102624039B (en) * | 2011-07-12 | 2014-07-02 | 航天东方红卫星有限公司 | Voltage/temperature (V/T) curve control method applied to charging of storage battery |
| CN102412615A (en) * | 2012-01-09 | 2012-04-11 | 北京柏瑞安科技有限责任公司 | Novel wind and optical complementary power generation controller |
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