CN106787067A - A kind of battery charges and adjusts protection circuit - Google Patents
A kind of battery charges and adjusts protection circuit Download PDFInfo
- Publication number
- CN106787067A CN106787067A CN201710103382.4A CN201710103382A CN106787067A CN 106787067 A CN106787067 A CN 106787067A CN 201710103382 A CN201710103382 A CN 201710103382A CN 106787067 A CN106787067 A CN 106787067A
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- circuit
- protection
- line bag
- power supply
- current
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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
- H02J7/14—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
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of battery charges and adjusts 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;Discretionary protection enable circuit 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 charges regulation protection circuit using protection switch series system, and implementation is simple, and reliability is high, and selective there is provided two kinds of protected modes, and control mode is flexible.
Description
Technical field
The present invention relates to a kind of protection circuit for battery charge adjustment circuit, belong to spacecraft battery charger
Shield technical field.
Background technology
Main energy storage device of the battery as near-earth spacecraft in orbit, current its charging system generally uses multichannel
The Charge Management system of solar cell submatrix shunt regulating mode and two-part, all the way charge adjustment circuit open failure mean
Solar cell charging submatrix power is out of control all the way for correspondence, and its output current all flows into battery and causes batteries overcharge,
The infringement life of storage battery and performance, influence the in-orbit task completeness of spacecraft, or even threaten spacecraft safety in orbit.No matter
From power-supply system stable operation, power supply reliability is ensured, or from spacecraft life-span in orbit is improved, maintain spacecraft task
Demand angle sets out, and is required for improving the reliability of battery charging circuit, it is to avoid the generation of overcharge of a battery.
Battery charging circuit failure has become the influence in-orbit task of spacecraft and the key factor in life-span.China is navigated
Its device power-supply system on-orbit fault producing cause analysis shows, because the failure that battery charging circuit failure is caused is accounted for recently
The 10% of year whole failure amounts, battery charging circuit is taken safeguard measure have become it is a kind of improve spacecraft power supply system can
By property and the necessary means of security.
Battery charges and generally uses shunt regulating mode, is widely used in Near Earth Orbit Satellites, moon exploration and Mars
On the domestic and international spacecrafts in field such as detection.By literature survey, 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 is concentrated mainly on prevents charging circuit short circuit
Aspect, mainly there is in the following manner:One is the Redundancy Design using multiple charging paths, by the design margin of charging submatrix quantity
Increase to improve charging reliability, two is, using charging circuit master backup Redundancy Design, to back up design to carry by charging circuit
There is following limitation in practical engineering application in high charge reliability, aforesaid way:1. method one is only applicable to single channel charging
The charge power loss troubleshooting that circuit shunt regulating short trouble brings, is not suitable for charging circuit shunt regulating open circuit band
The batteries come overcharge troubleshooting;2. mode two can not tackle due to charging circuit itself design defect bring it is common because
Open failure failure, only being switched by master backup can not thoroughly eliminate fault impact.
The content of the invention
Technology solve problem of the invention is:Overcome the deficiencies in the prior art, there is provided a kind of battery charges and adjusts electricity
The protection circuit on road.
Technical solution of the invention is:
A kind of battery charges and adjusts protection circuit, including:Charge protection main circuit, fault diagnosis circuit and discretionary protection
Enable circuit;
The working condition of the charging regulation path of fault diagnosis circuit monitoring battery, and it is different in the regulation closed-circuit working that charges
Failure removal is sent when often instruct and enable circuit to discretionary protection, discretionary protection enables circuit to the failure removal that receives
Instruction carries out break-make control, so as to realize the enable of discretionary protection function or forbid;It is in independently when discretionary protection enables circuit
Under protection illegal state, failure removal command signal enables circuitry cuts by discretionary protection, it is impossible to deliver 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
Charge protection main circuit is delivered to, charge protection main circuit performs charge protection action after failure removal command signal is received.
Present invention advantage compared with prior art is:
(1) this protection circuit that can be used for battery charging regulation of the present invention, during realizing the in-orbit task of spacecraft
The protection of battery charging circuit;Protection main circuit employs the mode that protection switch adjusts circuit connected in series with charge power, real
Existing mode is simple;There is provided fault diagnosis circuit, can fast and effectively detect failure situation, positioning and excision fault paths;
There is provided discretionary protection enables switch, there is provided two kinds of protected modes of discretionary protection and passive protection, 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
Cross ground and send telecommand control charging protection switch break-make.
(2) present invention has a wide range of application, and design protection of the invention can not only tackle single channel charging regulation switching device
Failure of removal, can also tackle the abnormality processing that single channel charging drive control fault brings, and can cover battery charging
Adjust the chife failure models of circuit.
(3) flexibly, design protection of the invention can be directly embedded into each quasi-representative for implementation simplicity of the present invention, control mode
Charge adjustment circuit, and fault diagnosis circuit and control circuit for each via configuration independence, original power source charges control is not changed
Topological sum charge control mode processed;Two kinds of protected modes of discretionary protection and passive protection are devised, can be carried out according to the actual requirements
Pattern switching.
(4) reliability of the invention is high, and the present invention uses physically-isolated current acquisition mode, is capable of achieving fault diagnosis and leads to
Road is completely isolated with charging primary path, it is ensured that 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.
Brief description of the drawings
Fig. 1 is the schematic diagram of battery charging regulation protection circuit of the present invention.
Specific embodiment
The major function of battery charging regulation protection circuit is that the charge adjustment circuit of battery is protected, and can be kept away
Exempting from charge adjustment circuit shunting tube open circuit or the charging current that causes of other failures cannot adjust problem, during realizing in-orbit task
Battery charge protection.
The regulation protection circuit as shown in figure 1, a kind of battery proposed by the present invention charges, including:Charge protection main circuit,
Fault diagnosis circuit and discretionary protection enable circuit.
Fault diagnosis circuit is monitored to battery charging circuit working condition, and transmission failure is cut in case of a fault
Except instruction is so as to realize failure Real time identification and treatment;The corresponding charge protection main circuit all the way of each fault diagnosis circuit, each
Fault diagnosis circuit has accumulator voltage monitoring function and charging current detection function, can be by battery tension and charging
Electric current judges whether the working condition of the battery charge adjustment circuit is normal;When battery tension is higher than setting value and charging
Electric current be higher than setting value when, show accumulator capacity be full of but the battery charge adjustment circuit charging current not by design load
Adjustment, is judged to the charging path failure, and the failure removal signal of fault diagnosis circuit output 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 break-make control is carried out to the output order of fault diagnosis circuit so as to realize that battery fills
The switching of electric protection pattern.When discretionary protection function setting is to forbid, the failure removal signal quilt of fault diagnosis circuit output
Discretionary protection enables circuitry cuts, it is impossible to deliver to charge protection main circuit;When discretionary protection function setting is to enable, failure is cut
Charge protection main circuit is delivered to except command signal enables circuit by discretionary protection, charge protection main circuit is receiving failure removal
Charge protection action is performed after command signal.
Charge protection main circuit carries out break-make control, charge protection main circuit and battery to battery charging regulation path
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
Close, the Hall current sensor that charging current measurement is used is completely isolated with charging path, battery can not influenceed to charge
The break-make control of the road solar cell submatrix power input is realized on the premise of regulation circuit normal work, so as to ensure that electric power storage
The reliability that pond is charged.The protection switch on-off action of charge protection main circuit can realize that one is by ground by two kinds of approach
The telecommand that face sends, two is the failure removal signal exported by fault diagnosis circuit, wherein fault diagnosis circuit output
Failure removal signal enabled circuit by discretionary protection and constrained, 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, it is full of but fills when battery charging circuit occurs batteries
During electric current anomaly failure, fault diagnosis circuit detects failure situation and sends failure removal signal, and discretionary protection enables electricity
The failure removal signal that road sends fault diagnosis circuit delivers to charge protection main circuit, the protection switch of charge protection main circuit
Shut-off, the charging path of failure is disconnected, and discretionary protection action is completed;If battery charging path is in passive protection state, when
There are batteries and be full of but during charging current abnormal failure in battery charging path, fault diagnosis circuit detects failure situation
And failure removal signal is sent, discretionary protection enables the failure removal signal disconnection that circuit sends fault diagnosis circuit, does not bother to see me out
To charge protection main circuit, charging main circuit protection switch is failure to actuate.If the ground remote control that ground sends protection switch disconnection refers to
Order, no matter then which kind of guard mode battery charging circuit is in, charge protection main circuit is performed both by protection switch shut-off, disconnects
The charging circuit, completes passive protection action.
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 is adjusted with the charging of battery
Circuit quantity is consistent.
Rise defencive function magnetic latching relay J1 be connected on solar battery array output isolating diode D6 negative poles with it is described
Between the charging regulation path input of battery, realize the Hall current sensor H4 measurement positions of current acquisition function too
Between positive cell array output isolating diode D6 negative poles and magnetic latching relay J1 common ports, H4 power supplys positive input terminal and power supply
VCC42 is connected, and H4 power supplys negative input end is connected with power supply VCC43, H4 earth terminals ground connection, and the output of H4 output ends characterizes battery and fills
The voltage signal signal_3 of electric current amplitude;
First group of line bag positive pole of magnetic latching relay J1 and second group of line bag positive pole be connected after by current-limiting resistance R5 with
Power supply VCC41 is connected, and first group of line bag negative pole and second group of line bag negative pole receive external remote control instruction respectively;The collection of triode Q2
Electrode is connected with second group of line bag negative pole of magnetic latching relay J1, and triode Q2 emitter stages are connected with triode Q3 colelctor electrodes,
Triode Q3 grounded emitters, the base stage of triode Q2 and the base stage of Q3 are common after being connected to receive discretionary protection enable circuit output
Signal Signal_1.
Charge protection main circuit can also include isolating diode D7 and D8;Isolating diode D7 and D8 are used to eliminate magnetic guarantor
Hold relay J1 line bag counter electromotive force, isolating diode D7 be serially connected in magnetic latching relay J1 first group of line bag both positive and negative polarity it
Between, wherein D7 positive poles are connected with first group of line bag negative pole of J1;Isolating diode D8 is serially connected in the second of magnetic latching relay J1
Between group line bag both positive and negative polarity, wherein D8 positive poles are connected with second group of line bag negative pole 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 terminals are connected on battery positive voltage by current-limiting resistance R21, fortune
Calculate amplifier U11 output ends to be connected with operational amplifier U12 positive input terminals by current-limiting resistance R23, divider resistance R33 and R34
To be connected with operational amplifier U12 negative input ends after power supply VCC45 voltages, U12 output ends and triode Q15 base stage phases
Even, triode Q15 colelctor electrodes are connected with power supply VCC45, and Q15 emitter stages are grounded by current-limiting resistance R26;
The voltage signal Signal_3 of Hall current sensor H4 outputs is input to operational amplifier U13 positive input terminals, transports
Put U13 output ends to be connected with amplifier U14 positive input terminals by current-limiting resistance R29, divider resistance R35 and R36 is electric by power supply VCC45
Pressure partial pressure after be connected with amplifier U14 negative input ends, U14 output ends are connected with triode Q16 base stages, triode Q16 colelctor electrodes and
Power supply VCC45 is connected, and Q16 emitter stages are grounded by current-limiting resistance R32;
Isolating diode D9 negative terminals are connected with triode Q15 emitter stages, and isolating diode D10 negative terminals are sent out with triode Q16
Emitter-base bandgap grading is connected, and isolating diode D9 anodes and D10 anodes are connected and exported by current-limiting resistance R27 after being connected with power supply VCC45
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 ends and output end, and resistance R19 is connected on fortune
Put between U11 negative input ends and output end, resistance R20 is connected between amplifier U13 negative input ends and output end.
As shown in figure 1, discretionary protection enables circuit includes power supply VCC44, magnetic latching relay J40, current-limiting resistance R37;
Magnetic latching relay J40 common ports are connected with signal Signal_2, J40 motion end output signals Signal_1;Magnetic keeps relay
First group of line bag positive pole of device J40 and second group of line bag positive pole are connected by current-limiting resistance R37 after being connected with power supply VCC44, the
One group of line bag negative pole and second group of line bag negative pole receive external remote control instruction respectively.
Discretionary protection enables circuit can also include isolating diode D38 and D39;Isolating diode D38 and D39 are used to disappear
Except magnetic latching relay J40 line bag counter electromotive force, isolating diode D38 is serially connected in first group of line bag of magnetic latching relay J40
Between both positive and negative polarity, wherein D38 positive poles are connected with first group of line bag negative pole of J40;Isolating diode D39 is serially connected in magnetic and keeps relay
Between second group of line bag both positive and negative polarity of device J40, wherein D39 positive poles are connected with second group of line bag negative pole 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, in charge protection main circuit, J1 switches use magnetic latching relay, Q2, Q3 are triode, rise and divide
Stream is acted on, and H4 is 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 is connected, triode Q2, Q3 shut-off.With J1
As a example by shown magnetic latching relay, 1 pin and 2 pin are that (line bag a), 9 pin and 10 pin are then second group of line bag (line bags to first group of line bag
b).3rd, 4,5 pin and 6,7,8 pin separately constitute two groups of contact switch, and contact switch switches on and off action respectively by two groups of line bags
Control.To prevent contact misoperation, connected using two groups of contact switch.Wherein 3 pin and 6 pin are commons, and magnetic keeps relay
During device normal work, 3 pin contacts can only be connected with 4 pin and 5 pin contacts with group switch, and 6 pin contacts similarly, can only
It is connected with 7 pin and 8 pin contacts.When line bag a is powered up, 3 pin contacts are connected with 4 pin contacts, 6 pin contacts and 7 pin contacts
It is connected;When line bag b is powered up, 3 pin contacts are connected with 5 pin contacts, and 6 pin contacts are connected with 8 pin contacts;If line bag a and line bag b are simultaneously
Power-up, then line bag a works.Might as well assume that magnetic latching relay J1 is connected to the telecommand (J1_on) of connection, then there is power supply to make
For 1 pin and 2 pin of line bag a, when pulse current is entered by 1 pin flow out from 2 pin, contact switch is acted, 3 pin contacts and 4 pin
Contact is connected, and 6 pin contacts are connected with 7 pin contacts, now relay closure, and charging path is connected.If assuming magnetic latching relay
J1 receives the telecommand (J1_off) of disconnection, then have power supply to act on 9 pin and 10 pin of line bag b, when pulse current is by 9 pin
When being flowed out from 10 pin, contact switch action, 3 pin contacts are connected with 5 pin contacts, and 6 pin contacts are connected with 8 pin contacts, now
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 turn on, there is power supply to act on 9 pin and 10 pin (12V) of line bag b, 3 pin contacts and 5
Pin contact is connected, and 6 pin contacts are connected with 8 pin contacts, and now relay disconnects, 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 is earth terminal;Realize that the Hall current sensor H4 measurement positions of current acquisition function are defeated in solar battery array
Go out between isolating diode D6 negative poles and magnetic latching relay J1 common ports, H4 power supplys positive input terminal is connected with power supply VCC42, H4
Power supply negative input end is connected with power supply VCC43, and H4 earth terminals ground connection, H4 output ends output characterizes battery charging current amplitude
Voltage signal signal_3.Current-limiting resistance R5 resistances take 100 Ω, and power supply VCC41 voltages are+28V, power supply VCC42 voltages for-
12V, power supply VCC43 voltage are+12V.
If charging path breaks down, the road solar cell submatrix electric current can be caused all to supply battery, cause to store
Over-charging of battery, seriously damages accumulator property.When occur above-mentioned failure when, can by ground send telecommand J1_off or
Discretionary protection function is autonomous under the premise of enabling to receive failure removal instruction Signal_1, magnetic latching relay J1 is disconnected, so that disconnected
Kai Gai roads solar cell submatrix thoroughly disconnects the charging path to the power flow of battery.
Fault diagnosis circuit is used for battery charge fault and recognizes and process, as shown in Figure 1.In fault diagnosis circuit,
VCC45 is power supply, and U11 is voltage sample chip LM158, and packing forms are DIP-8, the road operational amplification circuit of single-chip integration 2 (with
Lower abbreviation " amplifier ").3 pin are positive input terminal, and 2 pin are negative input end, and 1 pin is output end.Preferable integrated transporting discharging normal work
When, 2 pin and 3 pin voltages are equal, referred to as " empty short ";The electric current for pouring into chip internal is zero, referred to as " void is disconnected ".It is with U11
Example, according to " empty short ", then 2 pin voltages are equal to 3 pin voltages, because voltage is equal after 1 pin is connected with 2 pin, 1 pin voltage is equal to 3
Pin voltage, realizes signal sampling and enlarging function.U12 and U14 is comparator LM108, and packing forms are DIP-8, monolithic collection
Into No. 2 comparison circuits, the pin of positive input terminal 3, the pin of negative input end 2, the pin of output end 1.If 2 pin voltages are higher than 3 pin voltages, compare
Device exports low level, otherwise then exports high level.U13 is signal amplifier LM324, and packing forms are DIP-8, single-chip integration 2
Road operational amplification circuit.3 pin are positive input terminal, and 2 pin are negative input end, and 1 pin is output end, strengthens input signal.Q15 and Q16
It is triode, plays signal amplification.D9 and D10 is isolating diode, and AND gate, output are constituted 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 signals are at it
His level combinations situation Signal_1 is low level.If assuming, battery tension is higher than setting value, and charging current is higher than setting
It is worth, then comparator U12, U14 exports high level, triode Q15, Q16 conducting export high level, now fault diagnosis electricity
Road exports high level, that is, send the protection instruction of failure removal.If assume battery tension and charging current both of which be less than or
It is any less than setting value, then fault diagnosis circuit output low level, does not work to charge protection main circuit.R21~R32 is limited
Leakage resistance, wherein R21, R23, R29 resistance take 100 Ω, and remaining current-limiting resistance resistance takes 1k Ω;R33~R36 is divider resistance,
Standard resistance range is 1k Ω~5k Ω;R17~R20 is feedback resistance, resistance 5.1k Ω;Power supply VCC45 voltages are+12V.
Discretionary protection enables circuit to be used to enable or forbid charging discretionary protection function, and protection is enabled in circuit, J40 switches
Using magnetic latching relay.Original state, relay J40 disconnects, and discretionary protection enables circuit without output.Assuming that sending autonomous guarantor
Shield enables instruction (J40_on), and relay J40 contact switch action, 3 pin contacts are connected with 4 pin contacts, and 6 pin contacts and 7 pin are touched
Point is connected, and connects the failure removal signal transmission pathway that fault diagnosis circuit sends, and now failure removal signal may be output to and fill
Electric protection main circuit;If sending discretionary protection to forbid instructing (J40_off), the 3 pin contacts of relay J40 are connected with 5 pin contacts,
6 pin contacts are connected with 8 pin contacts, disconnect the failure removal signal transmission pathway that fault diagnosis circuit sends, now failure removal
Signal is cut off, it is impossible to deliver to charge protection main circuit.D38 and D39 disappears counter electromotive force diode for relay line bag;R37 is
Current-limiting resistance, resistance takes 1k Ω;Power supply VCC45 voltages are+28V.
Operation principle:
Circuit of the present invention includes that charge protection main circuit, fault diagnosis circuit, discretionary protection enable circuit;Fault diagnosis electricity
Road sends failure removal signal to discretionary protection after battery charge adjustment circuit working condition exception is detected and enables circuit;
Discretionary protection enables circuit and enters row constraint to the failure removal signal that fault diagnosis circuit is exported, in discretionary protection enabled state,
Discretionary protection enables circuit output control signal, and in discretionary protection illegal state, discretionary protection circuit is not exported;Charge protection master
After the control signal for receiving discretionary protection enable circuit output, shut-off is connected on battery charge adjustment circuit input to circuit
Protection switch, complete discretionary protection action;Additionally, charge protection main circuit can also receive the telecommand of ground transmission, close
The disconnected protection switch for being connected on battery charge adjustment circuit input, completes passive protection action.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (10)
1. a kind of battery charges and adjusts protection circuit, it is characterised in that including:Charge protection main circuit, fault diagnosis circuit and
Discretionary protection enables circuit;
The working condition of the charging regulation path of fault diagnosis circuit monitoring battery, and when the regulation closed-circuit working that charges is abnormal
Transmission failure removal is instructed and enables circuit to discretionary protection, and discretionary protection enables failure removal instruction of the circuit to receiving
Break-make control is carried out, so as to realize the enable of discretionary protection function or forbid;
It is under discretionary protection illegal state when discretionary protection enables circuit, failure removal command signal enables electricity by discretionary protection
Road cuts off, it is impossible to deliver 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 delivers to charge protection main circuit, and charge protection main circuit performs charge protection after failure removal command signal is received and moves
Make.
2. a kind of battery according to claim 1 charges and adjusts protection circuit, it is characterised in that:The battery fills
Electricity regulation path is used for the charge control of battery.
3. a kind of battery according to claim 2 charges and adjusts protection circuit, it is characterised in that:The charge protection master
Circuit is consistent with the charging regulation number of passages of battery.
4. a kind of battery according to any one of claims 1 to 3 charges and adjusts protection circuit, it is characterised in that:Fill
Electric protection main circuit includes:Magnetic latching relay J1, triode Q2, Q3, Hall current sensor H4, current-limiting resistance R5 and power supply
VCC41、VCC42、VCC43;
The magnetic latching relay J1 for playing defencive function is connected on solar battery array output isolating diode D6 negative poles and the electric power storage
Between the charging regulation path input in pond, realize the Hall current sensor H4 measurement positions of current acquisition function in sun electricity
Chi Zhen is exported between isolating diode D6 negative poles and magnetic latching relay J1 common ports, H4 power supplys positive input terminal and power supply VCC42
It is connected, H4 power supplys negative input end is connected with power supply VCC43, H4 earth terminals ground connection, H4 output ends output characterizes battery charging electricity
Flow the voltage signal signal_3 of amplitude;
First group of line bag positive pole of magnetic latching relay J1 and second group of line bag positive pole pass through current-limiting resistance R5 and power supply after being connected
VCC41 is connected, and first group of line bag negative pole and second group of line bag negative pole receive external remote control instruction respectively;The colelctor electrode of triode Q2
It is connected with second group of line bag negative pole of magnetic latching relay J41, triode Q2 emitter stages are connected with triode Q3 colelctor electrodes, three poles
Pipe Q3 grounded emitters, the base stage of triode Q2 and the base stage of Q3 are common after being connected to receive discretionary protection enable circuit output signal
Signal_1。
5. a kind of battery according to claim 4 charges and adjusts protection circuit, it is characterised in that:The charge protection master
Circuit also includes isolating diode D7 and D8;
Isolating diode D7 and D8 are used to eliminate magnetic latching relay J1 line bag counter electromotive force, and isolating diode D7 is serially connected in magnetic guarantor
Hold between first group of line bag both positive and negative polarity of relay J1, wherein D7 positive poles are connected with first group of line bag negative pole of J1;Isolate two poles
Pipe D8 is serially connected between second group of line bag both positive and negative polarity of magnetic latching relay J1, wherein second group of line bag negative pole of D8 positive poles and J1
It is connected.
6. a kind of battery according to claim 4 charges and 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 terminals are connected on battery positive voltage, operational amplifier U11 output ends by current-limiting resistance R21
It is connected with operational amplifier U12 positive input terminals by current-limiting resistance R23, divider resistance R33 and R34 divides power supply VCC45 voltages
It is connected with operational amplifier U12 negative input ends after pressure, U12 output ends are connected with triode Q15 base stages, triode Q15 colelctor electrodes
It is connected with power supply VCC45, Q15 emitter stages are grounded by current-limiting resistance R26;
The voltage signal Signal_3 of Hall current sensor H4 outputs is input to operational amplifier U13 positive input terminals, amplifier U13
Output end is connected by current-limiting resistance R29 with amplifier U14 positive input terminals, and divider resistance R35 and R36 divides power supply VCC45 voltages
It is connected with amplifier U14 negative input ends after pressure, U14 output ends are connected with triode Q16 base stages, triode Q16 colelctor electrodes and power supply
VCC45 is connected, and Q16 emitter stages are grounded by current-limiting resistance R32;
Isolating diode D9 negative terminals are connected with triode Q15 emitter stages, isolating diode D10 negative terminals and triode Q16 emitter stages
It is connected, isolating diode D9 anodes and D10 anodes are connected simultaneously output signal by current-limiting resistance R27 after being connected with power supply VCC45
Signal_2 enables circuit to the discretionary protection.
7. a kind of battery according to claim 6 charges and adjusts protection circuit, it is characterised in that:The fault diagnosis electricity
Road also includes resistance R17~R20;
Resistance R17 is connected between amplifier U12 negative input ends and output end, and resistance R18 is connected on amplifier U14 negative input ends and defeated
Go out between end, resistance R19 is connected between amplifier U11 negative input ends and output end, and resistance R20 is connected on amplifier U13 negative inputs
Between end and output end.
8. a kind of battery according to claim 6 or 7 charges and adjusts protection circuit, it is characterised in that:The autonomous guarantor
Shield enables circuit includes power supply VCC44, magnetic latching relay J40, current-limiting resistance R37;
Magnetic latching relay J40 common ports are connected with signal Signal_2, J40 motion end output signals Signal_1;Magnetic keeps
First group of line bag positive pole of relay J40 and second group of line bag positive pole pass through current-limiting resistance R37 and power supply VCC44 phases after being connected
Even, first group of line bag negative pole and second group of line bag negative pole receive external remote control instruction respectively.
9. a kind of battery according to claim 8 charges and adjusts protection circuit, it is characterised in that:The discretionary protection makes
Energy circuit also includes isolating diode D38 and D39;
Isolating diode D38 and D39 are used to eliminate magnetic latching relay J40 line bag counter electromotive force, and isolating diode D38 is serially connected in
Between first group of line bag both positive and negative polarity of magnetic latching relay J40, wherein D38 positive poles are connected with first group of line bag negative pole of J40;Every
It is serially connected between second group of line bag both positive and negative polarity of magnetic latching relay J40 from diode D39, wherein D39 positive poles and the second of J40
Group line bag negative pole is connected.
10. a kind of battery according to claim 8 charges and adjusts protection circuit, it is characterised in that:Power supply VCC41,
VCC42, VCC43, VCC44 and VCC45 are altogether.
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CN201710103382.4A CN106787067B (en) | 2017-02-24 | 2017-02-24 | A kind of battery charging adjusting protection circuit |
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CN106787067B CN106787067B (en) | 2019-06-18 |
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Cited By (2)
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CN109193879A (en) * | 2018-11-14 | 2019-01-11 | 中国工程物理研究院流体物理研究所 | One kind being used for extensive Linear transformer driver tape jam charging method and device |
CN110347078A (en) * | 2019-06-28 | 2019-10-18 | 上海空间电源研究所 | A kind of Mars probes independently wake up control system and method |
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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 |
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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 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109193879A (en) * | 2018-11-14 | 2019-01-11 | 中国工程物理研究院流体物理研究所 | One kind being used for extensive Linear transformer driver tape jam charging method and device |
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 |
CN110347078A (en) * | 2019-06-28 | 2019-10-18 | 上海空间电源研究所 | A kind of Mars probes independently wake up control system and method |
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 |
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