CN106787067B - A kind of battery charging adjusting protection circuit - Google Patents
A kind of battery charging adjusting protection circuit Download PDFInfo
- Publication number
- CN106787067B CN106787067B CN201710103382.4A CN201710103382A CN106787067B CN 106787067 B CN106787067 B CN 106787067B CN 201710103382 A CN201710103382 A CN 201710103382A CN 106787067 B CN106787067 B CN 106787067B
- Authority
- CN
- China
- Prior art keywords
- circuit
- protection
- power supply
- line packet
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/16—Regulation of the charging current or voltage by variation of field
- H02J7/18—Regulation of the charging current or voltage by variation of field due to variation of ohmic resistance in field circuit, using resistance switching in or out of circuit step by step
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of battery charging adjusting protection circuit, including charge protection main circuit, fault diagnosis circuit, discretionary protection enable circuit；Charge protection main circuit is consistent with charge adjustment circuit quantity, and each charge protection main circuit includes magnetic latching relay J1, triode Q2, Q3, Hall current sensor H4, current-limiting resistance R5 and power supply VCC41~VCC43；Fault diagnosis circuit is consistent with charge protection main circuit quantity, and each fault diagnosis circuit includes operational amplifier U11~U14, triode Q15, Q16, isolating diode D9, D10, current-limiting resistance R21~R32, divider resistance R33~R36 and power supply VCC45；The enabled circuit of discretionary protection is consistent with charge protection main circuit quantity, and each protection circuit includes power supply VCC44, magnetic latching relay J40 and current-limiting resistance R37.Battery of the present invention charging adjusts protection circuit and uses protective switch series system, and implementation is simple, high reliablity, and provides that two kinds of protected modes are selective, and control mode is flexible.
Description
Technical field
The present invention relates to a kind of protection circuits for battery charge adjustment circuit, belong to spacecraft battery charger
Protect technical field.
Background technique
Main energy storage device of the battery as near-earth spacecraft in orbit, its system that charges generallys use multichannel at present
The Charge Management system of solar cell submatrix shunt regulating mode and two-part, charge adjustment circuit open failure means all the way
The corresponding charging of solar cell all the way submatrix power is out of control, and output electric current all flows into battery and causes battery group overcharge,
The life of storage battery and performance are damaged, the in-orbit task completeness of spacecraft is influenced, or even threatens spacecraft safety in orbit.No matter
From power-supply system stable operation, power supply reliability is ensured, or from spacecraft service life in orbit is improved, maintain spacecraft task
Demand angle sets out, and requires the reliability for improving battery charging circuit, avoids the generation of overcharge of a battery.
Battery charging circuit failure has become an important factor for influencing the in-orbit task of spacecraft and service life.It navigates to China
Its device power-supply system on-orbit fault producing cause analysis shows, as battery charging circuit failure caused by failure account for about recently
The 10% of year whole failure amounts, taking safeguard measure to have become a kind of raising spacecraft power supply system battery charging circuit can
By the necessary means of property and safety.
Battery charging generallys use shunt regulating mode, is widely used in Near Earth Orbit Satellites, moon exploration and Mars
On the domestic and international spacecrafts in fields such as detection.By literature survey it is found that both at home and abroad to battery charge adjustment circuit open circuit
Protected mode research is less, and the battery charge protection mode that domestic spacecraft is taken, which is concentrated mainly on, prevents charging circuit short-circuit
Aspect mainly has following manner: first is that passing through the design margin for the submatrix quantity that charges using the Redundancy Design of multiple charging paths
Increase to improve charging reliability, second is that using charging circuit master backup Redundancy Design, by charging circuit backup design to mention
High charge reliability, the following limitations exist in practical engineering application for aforesaid way: 1. methods one are only applicable to single channel charging
Circuit shunt regulating short trouble bring charge power loses troubleshooting, is not suitable for charging circuit shunt regulating open circuit band
The battery group come overcharges troubleshooting；2. mode two can not cope with due to charging circuit itself design defect bring altogether because
Open failure failure, only can not thoroughly eliminate failure by master backup switching influences.
Summary of the invention
Technology of the invention solves the problems, such as: having overcome the deficiencies of the prior art and provide a kind of battery charging adjusting electricity
The protection circuit on road.
The technical solution of the invention is as follows:
A kind of battery charging adjusting protection circuit, comprising: charge protection main circuit, fault diagnosis circuit and discretionary protection
Enabled circuit；
The charging that fault diagnosis circuit monitors battery adjusts the working condition of access, and different in charging adjusting closed-circuit working
Transmission failure removal, which is instructed, when often enables circuit to discretionary protection, and discretionary protection enables circuit to the failure removal received
Instruction carries out on-off control, to realize the enabled of discretionary protection function or forbid；It is in autonomous when discretionary protection enables circuit
It protects under illegal state, failure removal command signal enables circuitry cuts by discretionary protection, cannot send to charge protection main circuit；
It is under discretionary protection enabled state when discretionary protection enables circuit, failure removal command signal enables circuit by discretionary protection
It send to charge protection main circuit, charge protection main circuit executes charge protection movement after receiving failure removal command signal.
The advantages of the present invention over the prior art are that:
(1) this protection circuit that can be used for battery charging and adjust of the present invention, during realizing the in-orbit task of spacecraft
The protection of battery charging circuit；Main circuit is protected to use protective switch and the charge power adjusting concatenated mode of circuit, it is real
Existing mode is simple；Provided with fault diagnosis circuit, fault condition, positioning and excision fault paths can be quickly and effectively detected；
Provided with the enabled switch of discretionary protection, two kinds of protected modes of discretionary protection and passive protection are provided, are enabled in discretionary protection
Under the premise of, the protection signal of fault diagnosis circuit can disconnect charging protection switch.In discretionary protection illegal state, can only lead to
It crosses ground and sends telecommand control charging protection switch on-off.
(2) present invention has a wide range of application, and design protection of the invention can not only cope with single channel charging regulating switch device
Failure of removal can also cope with single channel charging drive control circuit failure bring abnormality processing, can cover battery charging
Adjust the chife failure models of circuit.
(3) implementation of the present invention is easy, control mode is flexible, and design protection of the invention can be directly embedded into each quasi-representative
Charge adjustment circuit, and independent fault diagnosis circuit and control circuit are configured for each access, do not change original power source charges control
System topology and charge control mode；Two kinds of protected modes of discretionary protection and passive protection are devised, can be carried out according to actual needs
Pattern switching.
(4) high reliablity of the invention, the present invention uses physically-isolated current acquisition mode, it can be achieved that fault diagnosis is logical
Road is completely isolated with charging primary path, guarantees the reliability of charging；And devise discretionary protection function escape mechanism, Ke Yibao
Card discretionary protection functional fault does not influence the normal work of charge adjustment circuit.
Detailed description of the invention
Fig. 1 is the schematic diagram that battery of the present invention charging adjusts protection circuit.
Specific embodiment
The major function that battery charging adjusts protection circuit is protected to the charge adjustment circuit of battery, can be kept away
Problem can not be adjusted by exempting from charging current caused by charge adjustment circuit shunting tube open circuit or other failures, during realizing in-orbit task
Battery charge protection.
As shown in Figure 1, a kind of battery charging proposed by the present invention adjusts protection circuit, comprising: charge protection main circuit,
Fault diagnosis circuit and discretionary protection enable circuit.
Fault diagnosis circuit is monitored battery charging circuit working condition, and sends failure in case of a fault and cut
Except instruction to realize that failure is identified and handled in real time；The corresponding charge protection main circuit all the way of each fault diagnosis circuit, each
Fault diagnosis circuit has the function of accumulator voltage monitoring and charging current detection function, can pass through battery voltage and charging
Electric current judges whether the working condition of the battery charge adjustment circuit is normal；When battery voltage is higher than setting value and charging
When electric current is higher than setting value, show that accumulator capacity is full of but the charging current of the battery charge adjustment circuit is not by design value
Adjustment, is determined as the charging path failure, and the failure removal signal that fault diagnosis circuit exports high level is enabled to discretionary protection
Circuit；In other cases, fault diagnosis circuit exports low level, and low level signal does not play control action.
Discretionary protection enables circuit and carries out on-off control to the output order of fault diagnosis circuit to realize that battery fills
The switching of electric protection mode.When discretionary protection function is set as forbidding, the failure removal signal quilt of fault diagnosis circuit output
Discretionary protection enables circuitry cuts, cannot send to charge protection main circuit；When discretionary protection function is set as enabled, failure is cut
It send except command signal enables circuit by discretionary protection to charge protection main circuit, charge protection main circuit is receiving failure removal
Charge protection movement is executed after command signal.
Charge protection main circuit, which charges to battery, adjusts access progress on-off control, charge protection main circuit and battery
Charge adjustment circuit quantity it is consistent；Each charge protection main circuit is opened in the series connection protection of battery charge adjustment circuit input terminal
It closes, the Hall current sensor and charging path that charging current measurement uses are completely isolated, can not influence battery charging
The on-off control that the road solar cell submatrix power input is realized under the premise of circuit works normally is adjusted, to ensure that electric power storage
The reliability of pond charging.The protective switch on-off action of charge protection main circuit can be realized by two kinds of approach, first is that passing through ground
The telecommand that face is sent, second is that the failure removal signal exported by fault diagnosis circuit, wherein fault diagnosis circuit is exported
Failure removal signal the constraint of circuit is enabled by discretionary protection, therefore battery charging circuit can be at two kinds of guard modes:
Discretionary protection state, passive protection state.
If battery charging circuit is in discretionary protection state, when battery charging circuit generation battery group is full of but is filled
When electric current anomaly failure, fault diagnosis circuit detects fault condition and sends failure removal signal, the enabled electricity of discretionary protection
The failure removal signal that fault diagnosis circuit issues is sent to charge protection main circuit, the protective switch of charge protection main circuit on road
The charging path of shutdown, failure disconnects, and discretionary protection movement is completed；If battery charging path is in passive protection state, when
Battery charging path occurs battery group and is full of but when charging current abnormal failure, and fault diagnosis circuit detects fault condition
And failure removal signal is sent, discretionary protection enables the failure removal signal that circuit issues fault diagnosis circuit and disconnects, and does not bother to see me out
To charge protection main circuit, charging main circuit protective switch is failure to actuate.Refer to if ground sends the ground remote control that protective switch disconnects
It enables, no matter then which kind of guard mode battery charging circuit is in, charge protection main circuit is performed both by protective switch shutdown, disconnects
The charging circuit completes passive protection movement.
As shown in Figure 1, charge protection main circuit includes: magnetic latching relay J1, triode Q2, Q3, Hall current sensing
Device H4, current-limiting resistance R5 and power supply VCC41, VCC42, VCC43；The quantity of charge protection main circuit and the charging of battery are adjusted
Circuit quantity is consistent.
Rise defencive function magnetic latching relay J1 be connected on solar battery array output isolating diode D6 cathode with it is described
The charging of battery is adjusted between path input, realizes the Hall current sensor H4 measurement position of current acquisition function too
Between positive cell array output isolating diode D6 cathode and the common end magnetic latching relay J1, H4 power supply positive input terminal and power supply
VCC42 is connected, and H4 power supply negative input end is connected with power supply VCC43, H4 ground terminal ground connection, and H4 output end output characterization battery fills
The voltage signal signal_3 of electric current amplitude；
First group of line packet anode of magnetic latching relay J1 and second group of line packet anode be connected after by current-limiting resistance R5 with
Power supply VCC41 is connected, and first group of line packet cathode and second group of line packet cathode receive external remote control instruction respectively；The collection of triode Q2
Electrode is connected with second group of line packet cathode of magnetic latching relay J1, and triode Q2 emitter is connected with triode Q3 collector,
Triode Q3 emitter ground connection, the base stage of triode Q2 is common after being connected with the base stage of Q3 to receive the enabled circuit output of discretionary protection
Signal Signal_1.
Charge protection main circuit can also include isolating diode D7 and D8；Isolating diode D7 and D8 are for eliminating magnetic guarantor
Hold relay J1 line packet counter electromotive force, isolating diode D7 be serially connected in magnetic latching relay J1 first group of line packet positive and negative anodes it
Between, wherein D7 anode is connected with first group of line packet cathode of J1；Isolating diode D8 is serially connected in the second of magnetic latching relay J1
Between group line packet positive and negative anodes, wherein D8 anode is connected with second group of line packet cathode of J1.
As shown in Figure 1, the quantity of fault diagnosis circuit is consistent with charge protection main circuit quantity, fault diagnosis circuit includes
Operational amplifier U11~U14, triode Q15, Q16, isolating diode D9, D10, current-limiting resistance R21~R32, divider resistance
R33~R36 and power supply VCC45；Operational amplifier U11 positive input terminal is connected on battery positive voltage by current-limiting resistance R21, fortune
It calculates amplifier U11 output end to be connected by current-limiting resistance R23 with operational amplifier U12 positive input terminal, divider resistance R33 and R34
It will be connected after power supply VCC45 voltage with operational amplifier U12 negative input end, U12 output end and triode Q15 base stage phase
Even, triode Q15 collector is connected with power supply VCC45, and Q15 emitter is grounded by current-limiting resistance R26；
The voltage signal Signal_3 of Hall current sensor H4 output is input to operational amplifier U13 positive input terminal, transports
It puts U13 output end to be connected by current-limiting resistance R29 with amplifier U14 positive input terminal, divider resistance R35 and R36 is electric by power supply VCC45
Pressure partial pressure after be connected with amplifier U14 negative input end, U14 output end is connected with triode Q16 base stage, triode Q16 collector and
Power supply VCC45 is connected, and Q16 emitter is grounded by current-limiting resistance R32；
Isolating diode D9 negative terminal is connected with triode Q15 emitter, and isolating diode D10 negative terminal and triode Q16 are sent out
Emitter-base bandgap grading is connected, and isolating diode D9 anode and D10 anode are connected and are exported with power supply VCC45 by current-limiting resistance R27 after being connected
Signal Signal_2 enables circuit to the discretionary protection.
Fault diagnosis circuit can also include resistance R17~R20, play negative feedback；Resistance R17 is connected on amplifier U12
Between negative input end and output end, resistance R18 is connected between amplifier U14 negative input end and output end, and resistance R19 is connected on fortune
It puts between U11 negative input end and output end, resistance R20 is connected between amplifier U13 negative input end and output end.
As shown in Figure 1, it includes power supply VCC44, magnetic latching relay J40, current-limiting resistance R37 that discretionary protection, which enables circuit,；
The common end magnetic latching relay J40 is connected with signal Signal_2, J40 motion end output signal Signal_1；Magnetic keeps relay
First group of line packet anode of device J40 and second group of line packet anode are connected by current-limiting resistance R37 with power supply VCC44 after being connected, the
One group of line packet cathode and second group of line packet cathode receive external remote control instruction respectively.
It can also include isolating diode D38 and D39 that discretionary protection, which enables circuit,；Isolating diode D38 and D39 are for disappearing
Except magnetic latching relay J40 line packet counter electromotive force, isolating diode D38 is serially connected in first group of line packet of magnetic latching relay J40
Between positive and negative anodes, wherein D38 anode is connected with first group of line packet cathode of J40；Isolating diode D39 is serially connected in magnetic and keeps relay
Between second group of line packet positive and negative anodes of device J40, wherein D39 anode is connected with second group of line packet cathode of J40.
It is related to five VCC power supplys in the present invention, and power supply VCC41, VCC42, VCC43, VCC44 and VCC45 are altogether.
Embodiment:
As shown in Figure 1, J1 switch uses magnetic latching relay in charge protection main circuit, Q2, Q3 are triode, rise and divide
Stream effect, H4 are Hall current sensor, and SAS is solar cell submatrix, and BAT is battery.Charge protection main circuit is by connecting
Relay switch, diode, triode and resistance composition.Original state, relay J1 are connected, triode Q2, Q3 shutdown.With J1
For shown magnetic latching relay, 1 foot and 2 feet are that (line packet a), 9 feet and 10 feet are then second group of line packet (line packets to first group of line packet
b).3,4,5 feet and 6,7,8 feet separately constitute two groups of contact switch, and contact switch switches on and off movement respectively by two groups of line packets
Control.To prevent contact from malfunctioning, connected using two groups of contact switch.Wherein 3 feet and 6 feet are commons, and magnetic keeps relay
When device works normally, 3 foot contacts can only be connected with one in 4 feet and 5 foot contacts of same group of switch, and 6 foot contacts similarly, can only
It is connected with one in 7 feet and 8 foot contacts.When line packet a is powered on, 3 foot contacts are connected with 4 foot contacts, 6 foot contacts and 7 foot contacts
It is connected；When line packet b is powered on, 3 foot contacts are connected with 5 foot contacts, and 6 foot contacts are connected with 8 foot contacts；If line packet a and line packet b are simultaneously
Power-up, then line packet a works.It might as well assume that magnetic latching relay J1 is connected to the telecommand (J1_on) of connection, then have power supply work
For 1 foot and 2 feet of line packet a, when pulse current is entered by 1 foot to flow out from 2 feet, contact switch is acted, 3 foot contacts and 4 feet
Contact is connected, and 6 foot contacts are connected with 7 foot contacts, and relay is closed at this time, and charging path is connected.If assuming magnetic latching relay
J1 receives the telecommand (J1_off) of disconnection, then has power supply to act on 9 feet and 10 feet of line packet b, when pulse current is by 9 feet
Into when flowing out from 10 feet, contact switch movement, 3 foot contacts are connected with 5 foot contacts, and 6 foot contacts are connected with 8 foot contacts, at this time
Relay disconnects, and charging path disconnects, and passive protection function comes into force.If assuming, charge protection main circuit receives failure removal letter
Number (Signal_1), then triode Q2 and Q3 conducting, has power supply to act on 9 feet and 10 feet (12V) of line packet b, 3 foot contacts and 5
Foot contact is connected, and 6 foot contacts are connected with 8 foot contacts, and relay disconnects at this time, and charging path disconnects, and active defencive function comes into force,
Subsequent Signal_1 switchs to low level.
Hall current sensor H4 is powered using voltage mode, and pin 1,3 is power input, and pin 2 is Hall voltage
Output end, pin 4 are ground terminal；Realize that the Hall current sensor H4 measurement position of current acquisition function is defeated in solar battery array
Out between isolating diode D6 cathode and the common end magnetic latching relay J1, H4 power supply positive input terminal is connected with power supply VCC42, H4
Power supply negative input end is connected with power supply VCC43, H4 ground terminal ground connection, H4 output end output characterization battery charging current amplitude
Voltage signal signal_3.Current-limiting resistance R5 resistance value takes 100 Ω, and power supply VCC41 voltage is+28V, and power supply VCC42 voltage is-
12V, power supply VCC43 voltage are+12V.
If charging path breaks down, the road solar cell submatrix electric current all supply batteries can be caused, cause to store
Over-charging of battery seriously damages accumulator property.When there is above-mentioned failure, can by ground send telecommand J1_off or
Failure removal instruction Signal_1 is independently received under the premise of discretionary protection function is enabled, disconnects magnetic latching relay J1, thus disconnected
The road Kai Gai solar cell submatrix thoroughly disconnects the charging path to the power flow of battery.
Fault diagnosis circuit is identified for battery charge fault and processing, as shown in Figure 1.In fault diagnosis circuit,
VCC45 is power supply, and U11 is voltage sample chip LM158, packing forms DIP-8,2 road operational amplification circuit of single-chip integration (with
Lower abbreviation " amplifier ").3 feet are positive input terminal, and 2 feet are negative input end, and 1 foot is output end.Ideal integrated transporting discharging works normally
When, 2 feet and 3 foot voltages are equal, referred to as " empty short "；The electric current for pouring into chip interior is zero, referred to as " void is disconnected ".It is with U11
Example, according to " empty short ", then 2 foot voltages are equal to 3 foot voltages, because voltage is equal after 1 foot is connected with 2 feet, 1 foot voltage is equal to 3
Foot voltage, realizes signal sampling and enlarging function.U12 and U14 is comparator LM108, packing forms DIP-8, monolithic collection
At No. 2 comparison circuits, 3 foot of positive input terminal, 2 foot of negative input end, 1 foot of output end.If 2 foot voltages are higher than 3 foot voltages, compare
Device exports low level, on the contrary then export high level.U13 is signal amplifier LM324, packing forms DIP-8, single-chip integration 2
Road operational amplification circuit.3 feet are positive input terminal, and 2 feet are negative input end, and 1 foot is output end, enhance input signal.Q15 and Q16
For triode, signal amplification is played.D9 and D10 is isolating diode, forms AND gate, output with power supply VCC45
Signal Signal_1, D9 and D10 input signal is high level, and Signal_1 exports high level, D9 and D10 input signal is at it
His level combinations situation Signal_1 is low level.If assuming, battery voltage is higher than setting value, and charging current is higher than setting
Value, then comparator U12, U14 exports high level, and triode Q15, Q16 conducting, output high level, fault diagnosis is electric at this time
Road exports high level, i.e. the protection instruction of sending failure removal.If assume battery voltage and charging current be both lower than or
Any to be lower than setting value, then fault diagnosis circuit exports low level, does not work to charge protection main circuit.R21~R32 is limited
Leakage resistance, wherein R21, R23, R29 resistance value take 100 Ω, remaining current-limiting resistance resistance value takes 1k Ω；R33~R36 is divider resistance,
Standard resistance range is 1k Ω~5k Ω；R17~R20 is feedback resistance, resistance value 5.1k Ω；Power supply VCC45 voltage is+12V.
Discretionary protection enables circuit for enabling or forbidding the discretionary protection function that charges, and protects in enabled circuit, J40 switch
Using magnetic latching relay.Original state, relay J40 are disconnected, and discretionary protection enables circuit without output.Assuming that sending autonomous protect
The enabled instruction (J40_on) of shield, the movement of relay J40 contact switch, 3 foot contacts are connected with 4 foot contacts, 6 foot contacts and the touching of 7 feet
Point is connected, and connects the failure removal signal transmission pathway that fault diagnosis circuit is sent, failure removal signal, which may be output to, at this time fills
Electric protection main circuit；If sending discretionary protection to forbid instructing (J40_off), the 3 foot contacts of relay J40 are connected with 5 foot contacts,
6 foot contacts are connected with 8 foot contacts, disconnect the failure removal signal transmission pathway that fault diagnosis circuit is sent, at this time failure removal
Signal is cut off, and cannot be sent to charge protection main circuit.D38 and D39 is that relay line packet disappears counter electromotive force diode；R37 is
Current-limiting resistance, resistance value take 1k Ω；Power supply VCC45 voltage is+28V.
Working principle:
Circuit of the present invention includes charge protection main circuit, fault diagnosis circuit, the enabled circuit of discretionary protection；Fault diagnosis electricity
Road sends failure removal signal to discretionary protection after detecting battery charge adjustment circuit working condition exception and enables circuit；
Discretionary protection enables circuit and constrains the failure removal signal that fault diagnosis circuit exports, in discretionary protection enabled state,
Discretionary protection enables circuit output and controls signal, and in discretionary protection illegal state, discretionary protection circuit is not exported；Charge protection master
For circuit after the control signal for receiving the enabled circuit output of discretionary protection, shutdown is connected on battery charge adjustment circuit input terminal
Protective switch, complete discretionary protection movement；In addition, charge protection main circuit also can receive the telecommand that ground is sent, close
The disconnected protective switch for being connected on battery charge adjustment circuit input terminal completes passive protection movement.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (9)
1. a kind of charging of battery adjusts protection circuit, characterized by comprising: charge protection main circuit, fault diagnosis circuit and
Discretionary protection enables circuit；
The charging that fault diagnosis circuit monitors battery adjusts the working condition of access, and when charging adjusts closed-circuit working exception
Transmission failure removal, which is instructed, enables circuit to discretionary protection, and discretionary protection enables circuit and instructs to the failure removal received
On-off control is carried out, to realize the enabled of discretionary protection function or forbid；
It is under discretionary protection illegal state when discretionary protection enables circuit, failure removal command signal is by the enabled electricity of discretionary protection
Road cutting, cannot send to charge protection main circuit；
It is under discretionary protection enabled state when discretionary protection enables circuit, failure removal command signal is enabled by discretionary protection
Circuit is sent to charge protection main circuit, and it is dynamic that charge protection main circuit executes charge protection after receiving failure removal command signal
Make；
Charge protection main circuit includes: magnetic latching relay J1, triode Q2, Q3, Hall current sensor H4, current-limiting resistance R5
With power supply VCC41, VCC42, VCC43；
The magnetic latching relay J1 for playing defencive function is connected on solar battery array output isolating diode D6 cathode and the electric power storage
The charging in pond is adjusted between path input, realizes the Hall current sensor H4 measurement position of current acquisition function in sun electricity
Chi Zhen is exported between isolating diode D6 cathode and the common end magnetic latching relay J1, H4 power supply positive input terminal and power supply VCC42
It is connected, H4 power supply negative input end is connected with power supply VCC43, H4 ground terminal ground connection, H4 output end output characterization battery charging electricity
Flow the voltage signal signal_3 of amplitude；
First group of line packet anode of magnetic latching relay J1 and second group of line packet anode pass through current-limiting resistance R5 and power supply after being connected
VCC41 is connected, and first group of line packet cathode and second group of line packet cathode receive external remote control instruction respectively；The collector of triode Q2
It is connected with second group of line packet cathode of magnetic latching relay J41, triode Q2 emitter is connected with triode Q3 collector, three poles
Pipe Q3 emitter ground connection, the base stage of triode Q2 is common after being connected with the base stage of Q3 to receive the enabled circuit output signal of discretionary protection
Signal_1。
2. a kind of battery charging according to claim 1 adjusts protection circuit, it is characterised in that: the battery fills
Electricity adjusts the charge control that access is used for battery.
3. a kind of battery charging according to claim 2 adjusts protection circuit, it is characterised in that: the charge protection master
Circuit is consistent with the charging of battery adjusting number of passages.
4. a kind of battery charging according to claim 1 adjusts protection circuit, it is characterised in that: the charge protection master
Circuit further includes isolating diode D7 and D8；
Isolating diode D7 and D8 are serially connected in magnetic guarantor for eliminating magnetic latching relay J1 line packet counter electromotive force, isolating diode D7
It holds between first group of line packet positive and negative anodes of relay J1, wherein D7 anode is connected with first group of line packet cathode of J1；Two poles are isolated
Pipe D8 is serially connected between second group of line packet positive and negative anodes of magnetic latching relay J1, wherein second group of line packet cathode of D8 anode and J1
It is connected.
5. a kind of battery charging according to claim 1 adjusts protection circuit, it is characterised in that: the fault diagnosis electricity
The quantity on road is consistent with charge protection main circuit quantity, and fault diagnosis circuit includes operational amplifier U11~U14, triode
Q15, Q16, isolating diode D9, D10, current-limiting resistance R21~R32, divider resistance R33~R36 and power supply VCC45；
Operational amplifier U11 positive input terminal is connected on battery positive voltage, operational amplifier U11 output end by current-limiting resistance R21
It is connected by current-limiting resistance R23 with operational amplifier U12 positive input terminal, divider resistance R33 and R34 divides power supply VCC45 voltage
It is connected after pressure with operational amplifier U12 negative input end, U12 output end is connected with triode Q15 base stage, triode Q15 collector
It is connected with power supply VCC45, Q15 emitter is grounded by current-limiting resistance R26；
The voltage signal Signal_3 of Hall current sensor H4 output is input to operational amplifier U13 positive input terminal, amplifier U13
Output end is connected by current-limiting resistance R29 with amplifier U14 positive input terminal, and divider resistance R35 and R36 divides power supply VCC45 voltage
It is connected after pressure with amplifier U14 negative input end, U14 output end is connected with triode Q16 base stage, triode Q16 collector and power supply
VCC45 is connected, and Q16 emitter is grounded by current-limiting resistance R32；
Isolating diode D9 negative terminal is connected with triode Q15 emitter, isolating diode D10 negative terminal and triode Q16 emitter
It is connected, isolating diode D9 anode and D10 anode are connected simultaneously output signal after being connected by current-limiting resistance R27 with power supply VCC45
Signal_2 enables circuit to the discretionary protection.
6. a kind of battery charging according to claim 5 adjusts protection circuit, it is characterised in that: the fault diagnosis electricity
Road further includes resistance R17~R20；
Resistance R17 is connected between amplifier U12 negative input end and output end, and resistance R18 is connected on amplifier U14 negative input end and defeated
Between outlet, resistance R19 is connected between amplifier U11 negative input end and output end, and resistance R20 is connected on amplifier U13 negative input
Between end and output end.
7. a kind of battery charging according to claim 5 or 6 adjusts protection circuit, it is characterised in that: the autonomous guarantor
Protecting enabled circuit includes power supply VCC44, magnetic latching relay J40, current-limiting resistance R37；
The common end magnetic latching relay J40 is connected with signal Signal_2, J40 motion end output signal Signal_1；Magnetic is kept
First group of line packet anode of relay J40 and second group of line packet anode pass through current-limiting resistance R37 and power supply VCC44 phase after being connected
Even, first group of line packet cathode and second group of line packet cathode receive external remote control instruction respectively.
8. a kind of battery charging according to claim 7 adjusts protection circuit, it is characterised in that: the discretionary protection makes
Energy circuit further includes isolating diode D38 and D39；
For eliminating magnetic latching relay J40 line packet counter electromotive force, isolating diode D38 is serially connected in by isolating diode D38 and D39
Between first group of line packet positive and negative anodes of magnetic latching relay J40, wherein D38 anode is connected with first group of line packet cathode of J40；Every
It is serially connected between second group of line packet positive and negative anodes of magnetic latching relay J40 from diode D39, wherein the second of D39 anode and J40
Group line packet cathode is connected.
9. a kind of battery charging according to claim 7 adjusts protection circuit, it is characterised in that: power supply VCC41,
VCC42, VCC43, VCC44 and VCC45 are altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103382.4A CN106787067B (en) | 2017-02-24 | 2017-02-24 | A kind of battery charging adjusting protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103382.4A CN106787067B (en) | 2017-02-24 | 2017-02-24 | A kind of battery charging adjusting protection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106787067A CN106787067A (en) | 2017-05-31 |
| CN106787067B true CN106787067B (en) | 2019-06-18 |
Family
ID=58960441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710103382.4A Active CN106787067B (en) | 2017-02-24 | 2017-02-24 | A kind of battery charging adjusting protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787067B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193879B (en) * | 2018-11-14 | 2024-03-26 | 中国工程物理研究院流体物理研究所 | Method and device for charging large-scale linear transformer driving source with fault |
| CN110347078B (en) * | 2019-06-28 | 2022-04-12 | 上海空间电源研究所 | Mars detector autonomous wake-up control system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638074A (en) * | 2012-03-26 | 2012-08-15 | 北京空间飞行器总体设计部 | Mh-ni storage battery passivating control unit circuit |
| CN102751714A (en) * | 2012-07-06 | 2012-10-24 | 三一重工股份有限公司 | Overvoltage protection circuit and current sampling device |
| CN102842896A (en) * | 2012-09-29 | 2012-12-26 | 上海空间电源研究所 | Over-discharge protection control system for lithium ion storage battery and over-discharge protection method thereof |
-
2017
- 2017-02-24 CN CN201710103382.4A patent/CN106787067B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638074A (en) * | 2012-03-26 | 2012-08-15 | 北京空间飞行器总体设计部 | Mh-ni storage battery passivating control unit circuit |
| CN102751714A (en) * | 2012-07-06 | 2012-10-24 | 三一重工股份有限公司 | Overvoltage protection circuit and current sampling device |
| CN102842896A (en) * | 2012-09-29 | 2012-12-26 | 上海空间电源研究所 | Over-discharge protection control system for lithium ion storage battery and over-discharge protection method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106787067A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208707342U (en) | A kind of lithium battery protection board with communication function | |
| CN104348234B (en) | A kind of battery management system with active equalization system | |
| CN102624050B (en) | Battery management system capable of automatically shutting off unavailable units in serial-connection battery pack | |
| CN107204638A (en) | A kind of battery protecting circuit | |
| CN103956717A (en) | Self-adaption microgrid overcurrent protection method | |
| JPWO2012050210A1 (en) | Power storage system and control device | |
| JPWO2012050207A1 (en) | Power storage system | |
| CN103972930A (en) | Battery management system, method for controlling charging of battery pack and battery pack | |
| CN106787067B (en) | A kind of battery charging adjusting protection circuit | |
| CN106787017A (en) | A kind of Cross prevention of spacecraft lithium battery and the autonomous control method that restores electricity | |
| CN106712174A (en) | Lithium-ion storage battery pack power supply and communication automatic switching method | |
| SE505746C2 (en) | Protective equipment at a bipolar inverter station | |
| CN108110862A (en) | The charge-discharge control system of echelon lithium battery in communication base station | |
| CN102957172B (en) | Multi-cell serially-connected lithium battery pack equalization and protection system | |
| CN106300326B (en) | A kind of solar cell Switching Shunt protection circuit | |
| CN104795807B (en) | A kind of aerospace high reliability current protecting circuit | |
| CN105576747A (en) | Power management system of multi-rotor manned aircraft and aircraft | |
| CN114156547A (en) | Lithium battery management system and method | |
| CN103117576A (en) | Storage battery voltage balancing device | |
| CN103944232B (en) | A kind of lithium battery group over-discharge protection circuit of underwater robot | |
| CN105932344B (en) | One kind can cascade power battery pack security protection module | |
| CN203984333U (en) | A kind of system that solves photo-voltaic power generation station PID effect | |
| CN217406217U (en) | Lithium battery charging and discharging dual protection circuit | |
| CN106786999B (en) | A kind of the in-orbit of lithium-ions battery shelves maintenance circuitry | |
| CN108631011B (en) | Battery connecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |