CN105932747B - A kind of battery charger and its charging method - Google Patents
A kind of battery charger and its charging method Download PDFInfo
- Publication number
- CN105932747B CN105932747B CN201610471736.6A CN201610471736A CN105932747B CN 105932747 B CN105932747 B CN 105932747B CN 201610471736 A CN201610471736 A CN 201610471736A CN 105932747 B CN105932747 B CN 105932747B
- Authority
- CN
- China
- Prior art keywords
- accumulator
- circuit
- charging
- battery
- temperature
- 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
- 238000007600 charging Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 53
- 230000009885 systemic effect Effects 0.000 claims abstract description 10
- 230000005669 field effect Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000010278 pulse charging Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting 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
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H02J7/0077—
-
- H02J7/0086—
-
- H02J7/0091—
Abstract
A kind of battery charger of present invention offer and its charging method, belong to charging field, charger includes temperature sensing circuit, reverse-connection preventing circuit, battery tension display circuit, accumulator voltage detecting circuit, battery charging circuit, Switching Power Supply constant-current source, single chip machine controlling circuit and police instruction circuit；Reverse-connection preventing circuit detects charger and whether the polarity of accumulator is reversed；Temperature sensing circuit detects the temperature of accumulator；Accumulator voltage detecting circuit acquires the voltage of accumulator, and collection voltages are transmitted to single chip machine controlling circuit；The temperature that single chip machine controlling circuit detects temperature sensing circuit is compared with former set temperature threshold value T0, meanwhile, the voltage and systemic presupposition voltage value U11, U1 that single chip machine controlling circuit returns accumulator voltage detecting circuit acquisition, U111, U22, U2, U222, U33, U3, U333 are compared；Battery charging circuit is controlled according to comparison result to charge a battery.
Description
Technical field
Specifically it is to be related to a kind of battery charger and its charging method the present invention relates to charging field.
Background technology
With the development of science and technology, accumulator role in we live is more and more important.Accumulator is one
Kind can carry out the energy storage device of multiple charge and discharge, and therefore, the charging performance of accumulator will have a direct impact on the use of accumulator
Service life and service efficiency.
The charging method that there are many kinds of present accumulators, mainly have normal charge method, constant-current charge method, stage charging method,
Constant-voltage charge method, pulse charging method, time-dependent current intermittent charge method, time variant voltage intermittent charge method ring and time variant voltage time-dependent current wave
Positive and negative zero pulse rapid charging of formula interval etc..Normal charge system is according to internationally recognized rule of thumb design before 1940
, wherein foremost is exactly " ampere-hour rule "：Accumulator ampere-hour to be charged is not to be exceeded in charging current amperage
Number.In fact, the generation of Wen Sheng and gas of the speed of normal charge by accumulator in charging process limit, this phenomenon
Shortest time necessary to charging to accumulator is of great significance.
These charging methods all do not make the reversed judgement of electrode very well in charging, are connect with accumulator when charger
When, restart charger after must first connecting accumulator, will produce spark, Er Qieyao if first starting charger and connecing accumulator again
Whether the polarity for going through accumulator is reversed, if reversed charging, directly damages charger.It many times will produce and be not fully filled
Or overcharge phenomenon.The safety and reliability of such charger is very low.
Therefore, it is necessary to give accumulator different charging methods in different phase, the use of accumulator can be further increased
Service life, but all there is critical voltages to lead to the problem of drift in existing accumulator charging method.
Invention content
What the present invention needed to solve is that existing battery charger occurs the problem of left and right is hovered when critical voltage charges,
A kind of battery charger and its charging method are provided.
The present invention solves the above problems by the following technical programs：
A kind of accumulator charging method, includes the following steps：
Step 1：Connection charging, judges whether the polarity of charger and accumulator is reversed；
Step 2：When the reverse polarity connection of charger and accumulator, alarm lamp alarm, return to step 1；Work as charger
When there is no reversed with the polarity of accumulator, into next step；
Step 3：Accumulator and charging unit temperature are detected, and T0 pairs of the temperature threshold of the temperature of detection and default
Than the maximum temperature value that wherein T0 can bear for the charging performance of accumulator and charging unit when unaffected；
Step 4：When the temperature of detection is more than the temperature threshold T0 of default, alarm lamp alarm, return to step
3；When the temperature of detection is less than or equal to the temperature threshold T0 of default, into next step；
Step 5：Voltage sample is carried out to accumulator, the voltage U0 of acquisition and systemic presupposition voltage value U11, U1, U111,
U22, U2, U222, U33, U3, U333 are compared, wherein U11<U1<U111<U22<U2<U222<U33<U3<U333, U0 are
Collection voltages, U11, U1, U111, U22, U2, U222, U33, U3, U333 are the fixed boundary voltages of systemic presupposition；
Step 6：Work as U0<U11 charges to accumulator using constant-current charge method, works as U11<U0<When U111, keep former
Some mise-a-la-masse methods charge, and work as U11<U0<When U22, frequency is used to charge to accumulator for the pulse charging method of P, when
U22<U0<When U222, keeps original mise-a-la-masse method to charge, work as U222<U0<When U33, frequency is used to be filled for the pulse of P/2
Electrical method charges to accumulator, works as U33<U0<When U333, original mise-a-la-masse method is kept to carry out charging or original alarm shape
State works as U333<U0, alarm lamp alarm, charging stop.
In above-mentioned steps 6, work as U11<U0<When U111, and U0 is when charging first collection voltages, using constant-current charge method pair
Accumulator charges；Work as U22<U0<When U222, and U0 is when charging first collection voltages, to use frequency for the pulse charge of P
Method charges to accumulator；Work as U33<U0<When U333, and U0 is when charging first collection voltages, and alarm lamp alarm is filled
Electricity stops.
A kind of battery charger based on above-mentioned charging method, including temperature sensing circuit, reverse-connection preventing circuit, accumulator
Voltage display circuit, accumulator voltage detecting circuit, battery charging circuit, Switching Power Supply constant-current source, single chip machine controlling circuit
With police instruction circuit；Wherein,
Switching Power Supply constant-current source is powered to each circuit；
Reverse-connection preventing circuit detects charger and whether the polarity of accumulator is reversed；
Temperature sensing circuit detects the temperature of accumulator, and detection temperature is transmitted to single chip machine controlling circuit；
Accumulator voltage detecting circuit acquires the voltage of accumulator, and collection voltages are transmitted to single chip machine controlling circuit；
The temperature that single chip machine controlling circuit detects temperature sensing circuit is compared with former set temperature threshold value T0, meanwhile, it is single
The voltage and systemic presupposition voltage value U11, U1, U111 that piece machine control circuit returns accumulator voltage detecting circuit acquisition,
U22, U2, U222, U33, U3, U333 are compared；Battery charging circuit is controlled according to comparison result to charge a battery.
In above-mentioned charger, preferably battery charging circuit include resistance R12, R13, R14, R15, R16, R17,
R18, triode Q2, Q4, field-effect tube Q3, capacitance C11 and zener diode DZ1；The base stage of triode Q2 respectively with resistance R13
It is connected with one end of R14, the emitter of triode Q2 is connect with one end of resistance R12, and the collector of triode Q2 is through resistance R15
It is connect respectively with resistance R16 and one end capacitance C11, the cathode of zener diode DZ1 and field-effect tube Q3 grids；Resistance R12 and
Another termination Switching Power Supply anode of R13；Resistance R16, capacitance C11 and zener diode DZ1 are connected in parallel, zener diode
DZ1 plus earths；Field-effect tube Q3 drain electrodes connect battery terminal negative, and field-effect tube Q3 source electrodes connect Switching Power Supply cathode；Triode Q4
Collector connect with the other end of resistance R14, the base stage of triode Q4 is connect with one end of resistance R17 and resistance R18, three poles
The emitter of pipe Q4 connect with the resistance R18 other ends and connects Switching Power Supply cathode；The resistance R17 other ends and single chip machine controlling circuit
PWM originating ports connect.
In above-mentioned charger, preferably reverse-connection preventing circuit includes diode D1, D3 and protective tube F1, and diode D3 is just
Pole is connect with the cathode of Switching Power Supply input terminal, and is grounded；The cathode of diode D3 and the anode and Switching Power Supply of diode D1
The anode connection of input terminal；The cathode of diode D1 is connect with one end of protective tube F1, the other end and accumulator of protective tube F1
Anode connection.
In above-mentioned charger, AD samplings and accumulator linear optocoupler indirectly preferably in accumulator voltage detecting circuit
Isolator U2 realizes light-coupled isolation protection
Advantages of the present invention is with effect：
1, the present invention gives accumulator different charging modes by the state of acquisition accumulator according to the state of acquisition, can
To substantially increase accumulator charge efficiency, also has the function of protection to accumulator and charger；
2, the present invention is by being provided with buffer voltagc section on the critical voltage between different charging modes, it is therefore prevented that is filling
Charging voltage is hovered back and forth in critical voltage in electric process, influences to charge；
3, the present invention is provided with temperature sensing circuit, can detect the temperature of accumulator and charger in real time, prevent temperature
Height damages accumulator and charger.
Description of the drawings
Fig. 1 is the charger construction block diagram of the present invention；
Fig. 2 is the battery charging circuit schematic diagram of the present invention；
Fig. 3 is the reverse-connection preventing circuit schematic diagram of the present invention；
Fig. 4 is the Switching Power Supply constant-current source circuit schematic diagram of the present invention.
Specific implementation mode
The invention will be further described with reference to embodiments.
A kind of accumulator charging method, includes the following steps：
Step 1：Charger charging interface is connect with accumulator charging interface, reverse-connection preventing circuit judges charger and electric power storage
Whether the polarity in pond is reversed, prevents charger and accumulator is reversed is damaged to accumulator.
Step 2：When the reverse polarity connection of charger and accumulator, alarm lamp alarm, stop charging, notify user and
When handle, be then back to step 1.When the polarity of charger and accumulator does not have reversed, into next step.
Step 3：Accumulator and charging unit temperature are detected, and T0 pairs of the temperature threshold of the temperature of detection and default
Than.When accumulator and charging unit when the temperature is excessively high, undesirable influence can be caused on the charging performance of accumulator, so real
When detect accumulator and charging unit temperature, wherein T0 for accumulator and charging unit the unaffected when institute energy of charging performance
The maximum temperature value born.
Step 4：When the temperature of detection is more than the temperature threshold T0 of default, alarm lamp alarm, pause charging,
Return to step 3；When the temperature of detection is less than or equal to the temperature threshold T0 of default, start charging, into next step.
Step 5：Voltage sample is carried out to accumulator, the voltage U0 of acquisition and systemic presupposition voltage value U11, U1, U111,
U22, U2, U222, U33, U3, U333 are compared, wherein U11<U1<U111<U22<U2<U222<U33<U3<U333, U0 are
Collection voltages, U11, U1, U111, U22, U2, U222, U33, U3, U333 are the fixed boundary voltages of systemic presupposition.Wherein, voltage
Buffering section of the section (U11, U111) as voltage U1, buffering section of the voltage range (U22, U222) as voltage U2, electricity
The buffering section of (U33, U333) as voltage U3 between pressure area, U1, U2, U3 are the critical voltages of accumulator charging modes saltus step
Value, according to the U1 that the accumulator of different model is set, U2, U3 will be different.Wherein, U1 generally as voltage range (U11,
U111 median), medians of the U2 as voltage range (U22, U222), centres of the U3 as voltage range (U33, U333)
Value.The voltage value of U1, U2, U3 without making specific restriction, are found in the present invention because applicant measures by many experiments
The corresponding U1 of accumulator of unlike signal, the voltage value of U2, U3 are also different.U3 is charging maximum voltage value, be must not exceed, because
Can be in negative plate Surface Creation hydrogen when charging, when charging voltage is relatively low, the hydrogen of generation is less, the meeting in the battery of sealing
Chemical reaction is generated with the oxygen that positive plate generates, becomes water and returns electrolyte the inside, this is normal.But when charging electricity
Hydrogen will be generated acutely when pressure reaches 2.45V, and the oxygen largely generated can make together with the hydrogen largely generated now
Cell internal pressure increases extremely, and safety-valve has closed incessantly, at this point, just having bulk gas escape, causes serious dehydration.
Step 6：Work as U0<U11 charges to accumulator using constant-current charge method, the electricity that accumulator charges according to 0.1C
It flows size to carry out, C refers to the rated capacity of battery.Such tolerance range for being advantageous in that battery, in the charging speed for ensureing battery
Under the premise of degree, extend the charge lifetimes of battery.Work as U11<U0<When U111, original mise-a-la-masse method is kept to charge.Work as U11<
U0<When U22, frequency is used to charge to accumulator for the pulse charging method of P, P is generally 4-6HZ, usually in lead electric power storage
Chi Shang, applicant are measured from by a large amount of experimental data, but according to the accumulator of different model, the frequency selected may not
Together.Work as U22<U0<When U222, original mise-a-la-masse method is kept to charge.Work as U222<U0<When U33, use frequency for the arteries and veins of P/2
It rushes mise-a-la-masse method to charge to accumulator, since the electric energy in accumulator increases, the charging rate that accumulator can bear also can
It is slack-off.Changed by pulse PWM output waveforms to further change from electric frequency, realizing from frequency P becomes P/2.Work as U33<U0<
When U333, original mise-a-la-masse method is kept to carry out charging or original alarm condition.Work as U333<U0, alarm lamp alarm, charging
Stop.
Work as U11<U0<When U111, and U0 is when charging first collection voltages, to be filled to accumulator using constant-current charge method
Electricity.Work as U22<U0<When U222, and U0 be charge first collection voltages when, use frequency for the pulse charging method of P to accumulator into
Row charging.Work as U33<U0<When U333, and U0 is when charging first collection voltages, and alarm lamp alarm, charging stops.
Voltage range (U11, U111), (U22, U222) and (U33, U333) forms the buffering section of a critical voltage,
So that being not in the case where left and right offset is hovered, charge efficiency is improved, all has the function of protection to accumulator and charger.
Such as the voltage U0 when first time acquisition<When U11, charged to accumulator using constant-current charge method, when second
The voltage U11 of secondary acquisition<U0<When U111, or charged to accumulator using constant-current charge method；Conversely, acquiring for the first time
Voltage U11<U0<When U22, frequency is used to charge to accumulator for the pulse charging method of P, when the voltage of second of acquisition
U11<U0<When U111, or frequency is used to charge to accumulator for the pulse charging method of P.
A kind of battery charger based on above-mentioned charging method, as shown in Figure 1, including temperature sensing circuit, anti-reverse
Circuit, battery tension display circuit, accumulator voltage detecting circuit, battery charging circuit, Switching Power Supply constant-current source, monolithic
Machine control circuit and police instruction circuit；Wherein, Switching Power Supply constant-current source is powered to each circuit；Reverse-connection preventing circuit detection charging
Whether the polarity of device and accumulator is reversed；Temperature sensing circuit detects the temperature of accumulator, and detection temperature is transmitted to microcontroller
Control circuit；Accumulator voltage detecting circuit acquires the voltage of accumulator, and collection voltages are transmitted to single chip machine controlling circuit；It is single
The temperature that piece machine control circuit detects temperature sensing circuit is compared with former set temperature threshold value T0, meanwhile, microcontroller control electricity
The voltage and systemic presupposition voltage value U11, U1, U111, U22, U2, U222 that accumulator voltage detecting circuit acquisition is returned on road,
U33, U3, U333 are compared；Battery charging circuit is controlled according to comparison result to charge a battery.
Battery charging circuit, as shown in Fig. 2, including resistance R12, R13, R14, R15, R16, R17, R18, triode
Q2, Q4, field-effect tube Q3, capacitance C11 and zener diode DZ1.The base stage of triode Q2 respectively with resistance R13 and R14 one
End connection, the emitter of triode Q2 connect with one end of resistance R12, the collector of triode Q2 through resistance R15 respectively with electricity
Resistance R16 is connected with the cathode of the one end capacitance C11, zener diode DZ1 with field-effect tube Q3 grids, and triode Q2 is PNP three-levels
Pipe.Another termination Switching Power Supply anode of resistance R12 and R13.Resistance R16, capacitance C11 and zener diode DZ1 are connected in parallel,
Zener diode DZ1 plus earths, zener diode DZ1 mainly protect field-effect tube Q3.Field-effect tube Q3 drain electrodes connect
Battery terminal negative, field-effect tube Q3 source electrodes connect Switching Power Supply cathode.The collector of triode Q4 connects with the other end of resistance R14
It connects, the base stage of triode Q4 is connect with one end of resistance R17 and resistance R18, emitter and the resistance R18 other ends of triode Q4
Switching Power Supply cathode is connected and connects, triode Q4 is NPN type triode.The resistance R17 other ends are sent out with single chip machine controlling circuit PWM
Mouth of causing trouble connects.When signal input is high level, triode Q4 conductings, Q2 conductings, field-effect tube Q3 conductings, then switching
Power supply is equivalent to be connected directly to lead-acid battery, as charged state；When signal input is low level, triode Q4 is not
Logical, Q2 is obstructed, and field-effect tube Q3 is obstructed, is disconnected directly to lead-acid battery then Switching Power Supply is equivalent to, and as stops charging shape
State.By inputting the control of unlike signal, the control carried out to it under different conditions is realized.
Reverse-connection preventing circuit, as shown in figure 3, including diode D1, D3 and protective tube F1, anode and the switch electricity of diode D3
The cathode of source input terminal connects, and is grounded；The cathode of diode D3 and the anode and Switching Power Supply input terminal of diode D1 are just
Pole connects；The cathode of diode D1 is connect with one end of protective tube F1, and the other end of protective tube F1 and the anode of accumulator connect.
Reverse connection prevention protection circuit is that anti-reverse protection is realized using the unilateral conduction of diode, and wherein diode D1 is exactly to prevent lead
Sour battery is reversed, to prevent causing burning for entire control circuit.
Accumulator voltage detecting circuit, as shown in figure 4, including mainly linear optical coupling isolation device U2, capacitance C6,10 and of resistance
Resistance 11, capacitance C6 and resistance 10, which are connected in parallel, realizes AD samplings, in order to can well be protected to entire circuit, is adopting
Linear optical coupling isolator U2, linear optical coupling isolation device U2 primarily serve isolation high current influence micro-current to sample indirectly with accumulator
Effect, it is relatively more in field fiber utilization, but in the present invention, summed up by the test of many times of applicant and use line herein
Property optical coupling isolator U2 plays good protecting effect.This circuit is advantageous in that effective ground and the control that accumulator has been isolated
The ground of circuit processed, and allow microcontroller precisely by the linearity curve characteristic of precision photoelectric coupler read lead-acid battery voltage.
Microcontroller is effectively protected not burnt by the unstable power supply of accumulator.
Battery tension display circuit is used to show the temperature of the battery tension that sampling obtains and acquisition accumulator, charger
Degree etc..Generally using charactron or LCD screen etc., mainly for allowing user that can intuitively know charging situation.
Include several digital temperature sensor in temperature sensing circuit, the temperature acquisition in somewhere is adopted using multiple spot
Collect the method averaged and temperature acquisition is carried out to accumulator and charger.
The preferred embodiment of the invention is illustrated above, but the present invention is not limited to embodiment,
Those skilled in the art can also make various equivalent modifications under the premise of without prejudice to the invention spirit
Or replace, these equivalent modifications or replacement are all contained in scope of the present application.
Claims (6)
1. a kind of accumulator charging method, characterized in that include the following steps：
Step 1：Connection charging, judges whether the polarity of charger and accumulator is reversed；
Step 2：When the reverse polarity connection of charger and accumulator, alarm lamp alarm, return to step 1；When charger and storage
When the polarity of battery does not have reversed, into next step；
Step 3：Accumulator and charging unit temperature are detected, and the temperature threshold T0 of the temperature of detection and default is compared,
Wherein T0 is accumulator and the unaffected maximum temperature value that can be born of charging unit performance；
Step 4：When the temperature of detection is more than the temperature threshold T0 of default, alarm lamp alarm, return to step 3；When
When the temperature of detection is less than or equal to the temperature threshold T0 of default, into next step；
Step 5：Voltage sample is carried out to accumulator, the voltage U0 of acquisition and systemic presupposition voltage value U11, U1, U111, U22,
U2, U222, U33, U3, U333 are compared, wherein U11<U1<U111<U22<U2<U222<U33<U3<U333, U0 are acquisition
Voltage, U11, U1, U111, U22, U2, U222, U33, U3, U333 are the fixed boundary voltages of systemic presupposition；
Step 6：Work as U0<U11 charges to accumulator using constant-current charge method, works as U11<U0<When U111, keep original
Mise-a-la-masse method charges, and works as U11<U0<When U22, uses frequency to charge to accumulator for the pulse charging method of P, work as U22<
U0<When U222, keeps original mise-a-la-masse method to charge, work as U222<U0<When U33, use frequency for the pulse charging method of P/2
It charges to accumulator, works as U33<U0<When U333, original mise-a-la-masse method is kept to carry out charging or original alarm condition, when
U333<U0, alarm lamp alarm, charging stop.
2. a kind of accumulator charging method according to claim 1, it is characterised in that：In step 6, work as U11<U0<U111
When, and U0 is when charging first collection voltages, to be charged to accumulator using constant-current charge method；Work as U22<U0<When U222, and
U0 is when charging first collection voltages, frequency to be used to charge to accumulator for the pulse charging method of P；Work as U33<U0<U333
When, and U0 is when charging first collection voltages, alarm lamp alarm, charging stops.
3. a kind of battery charger based on charging method described in claim 1, it is characterised in that：Including temperature detection electricity
Road, reverse-connection preventing circuit, battery tension display circuit, accumulator voltage detecting circuit, battery charging circuit, Switching Power Supply are permanent
Stream source, single chip machine controlling circuit and police instruction circuit；Wherein,
Switching Power Supply constant-current source is powered to each circuit；
Reverse-connection preventing circuit detects charger and whether the polarity of accumulator is reversed；
Temperature sensing circuit detects the temperature of accumulator, and detection temperature is transmitted to single chip machine controlling circuit；
Battery tension display circuit is for showing battery tension；
Battery charging circuit is used to control the change of battery state of charge；
Accumulator voltage detecting circuit acquires the voltage of accumulator, and collection voltages are transmitted to single chip machine controlling circuit；
Alert indicating circuit reminds user for sending out alarm；
The temperature that single chip machine controlling circuit detects temperature sensing circuit is compared with former set temperature threshold value T0, meanwhile, microcontroller
The voltage and systemic presupposition voltage value U11, U1, U111, U22, U2 that control circuit returns accumulator voltage detecting circuit acquisition,
U222, U33, U3, U333 are compared；Battery charging circuit is controlled according to comparison result to charge a battery.
4. a kind of battery charger according to claim 3, it is characterised in that：The battery charging circuit includes electricity
Hinder R12, R13, R14, R15, R16, R17, R18, triode Q2, Q4, field-effect tube Q3, capacitance C11 and zener diode DZ1；
The base stage of triode Q2 is connect with one end of resistance R13 and R14 respectively, and the emitter of triode Q2 connects with one end of resistance R12
Connect, the collector of triode Q2 through resistance R15 respectively with resistance R16 and the one end capacitance C11, zener diode DZ1 cathode and
Field-effect tube Q3 grids connect；Another termination Switching Power Supply anode of resistance R12 and R13；Resistance R16, capacitance C11 and voltage stabilizing two
Pole pipe DZ1 is connected in parallel, zener diode DZ1 plus earths；Field-effect tube Q3 drain electrodes connect battery terminal negative, the sources field-effect tube Q3
Pole connects Switching Power Supply cathode；The collector of triode Q4 is connect with the other end of resistance R14, the base stage and resistance of triode Q4
R17 is connected with one end of resistance R18, and the emitter of triode Q4 connect with the resistance R18 other ends and connects Switching Power Supply cathode；Electricity
The resistance R17 other ends are connect with single chip machine controlling circuit PWM originating ports.
5. a kind of battery charger according to claim 3, it is characterised in that：The reverse-connection preventing circuit includes diode
The anode of D1, D3 and protective tube F1, diode D3 are connect with the cathode of Switching Power Supply input terminal, and are grounded；Diode D3's is negative
Pole is connect with the anode of the anode of diode D1 and Switching Power Supply input terminal；The cathode of diode D1 connects with one end of protective tube F1
It connects, the other end of protective tube F1 and the anode of accumulator connect.
6. a kind of battery charger according to claim 3, it is characterised in that：In the accumulator voltage detecting circuit
Linear optical coupling isolator U2, realization light-coupled isolation are protected indirectly with accumulator for AD samplings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610471736.6A CN105932747B (en) | 2016-06-24 | 2016-06-24 | A kind of battery charger and its charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610471736.6A CN105932747B (en) | 2016-06-24 | 2016-06-24 | A kind of battery charger and its charging method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105932747A CN105932747A (en) | 2016-09-07 |
| CN105932747B true CN105932747B (en) | 2018-09-07 |
Family
ID=56829210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610471736.6A Active CN105932747B (en) | 2016-06-24 | 2016-06-24 | A kind of battery charger and its charging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105932747B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972557B (en) * | 2017-03-18 | 2024-03-15 | 海汽电子技术芜湖股份有限公司 | NI-MH battery intelligent charging circuit for automobile module and charging realization method |
| CN108152692A (en) * | 2018-01-16 | 2018-06-12 | 广州天嵌计算机科技有限公司 | The Insulation Inspection System of the anti-reverse charge protection of direct-current charging post |
| KR20220112240A (en) * | 2021-01-28 | 2022-08-10 | 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 | Charging methods, battery management systems and charging files for power batteries |
| CN114142566A (en) * | 2021-12-03 | 2022-03-04 | 北京智充科技有限公司 | Charging current determination method and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154821A (en) * | 2007-09-21 | 2008-04-02 | 中兴通讯股份有限公司 | Quick charging device and method for nickel-hydrogen battery |
| US8513921B2 (en) * | 2010-06-24 | 2013-08-20 | Qnovo Inc. | Method and circuitry to adaptively charge a battery/cell |
| US8975874B2 (en) * | 2010-05-21 | 2015-03-10 | Qnovo Inc. | Method and circuitry to adaptively charge a battery/cell |
| CN104659830A (en) * | 2013-11-19 | 2015-05-27 | 西安华雍机电科技有限公司 | Novel intelligent charger |
| CN105515137A (en) * | 2016-02-22 | 2016-04-20 | 天津市天楚科技有限公司 | Mobile power source having charge management function |
-
2016
- 2016-06-24 CN CN201610471736.6A patent/CN105932747B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154821A (en) * | 2007-09-21 | 2008-04-02 | 中兴通讯股份有限公司 | Quick charging device and method for nickel-hydrogen battery |
| US8975874B2 (en) * | 2010-05-21 | 2015-03-10 | Qnovo Inc. | Method and circuitry to adaptively charge a battery/cell |
| US8513921B2 (en) * | 2010-06-24 | 2013-08-20 | Qnovo Inc. | Method and circuitry to adaptively charge a battery/cell |
| CN104659830A (en) * | 2013-11-19 | 2015-05-27 | 西安华雍机电科技有限公司 | Novel intelligent charger |
| CN105515137A (en) * | 2016-02-22 | 2016-04-20 | 天津市天楚科技有限公司 | Mobile power source having charge management function |
Non-Patent Citations (2)
| Title |
|---|
| 脉冲充电提高铅蓄电池充电效率的研究;王艳茹， 李文坡，陈杰;《电池工业》;20100825(第04期);222-225页 * |
| 锂离子动力电池大电流脉冲充电特性研究;马进红，王正仕，苏秀蓉;《电源学报》;20130115(第01期);30-33页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105932747A (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105932747B (en) | A kind of battery charger and its charging method | |
| CN104467044A (en) | Charging control circuit and charger | |
| CN213367449U (en) | Ignition prevention circuit of battery management system and battery pack | |
| CN104333081A (en) | Online maintenance method of distributed power supply | |
| CN109217425A (en) | A kind of charger circuit and its intelligent charge control method | |
| CN100416973C (en) | Adjustable large power lithium ion vehicle emergency starting power | |
| CN2930059Y (en) | Power supply/charging control circuit | |
| CN109017425A (en) | New energy electric motor vehicle charging control circuit | |
| CN201898656U (en) | Protective circuit of waterlogged mobile terminal circuit board and mobile terminal | |
| CN104333083A (en) | Online maintenance system of distributed power supply | |
| CN209658955U (en) | Power module | |
| CN204089304U (en) | Distributed power source on-line maintenance system | |
| CN104333082A (en) | Online maintenance system and method of distributed power supply | |
| CN205104589U (en) | A heating control circuit for lithium ion battery | |
| CN208581079U (en) | A kind of anti-reverse battery protection circuit of solar-electricity source converter | |
| CN205753550U (en) | A kind of battery charger | |
| CN208028620U (en) | A kind of lithium battery is full of automatically cutting off protection circuit | |
| CN204166063U (en) | A kind of lithium battery group fender pick-up unit | |
| CN203278367U (en) | Large power battery charging device capable of preventing reverse battery | |
| CN211428937U (en) | Electronic cigarette battery pack and electronic cigarette | |
| CN205911775U (en) | Controllable battery charging circuit and charger | |
| CN105006849A (en) | Intelligent switching-off control system of battery charger | |
| CN108448681A (en) | A kind of online method for detecting of the charger of battery management system | |
| CN201263095Y (en) | Multipath combined charger | |
| CN209642357U (en) | A kind of lithium battery voltage monitoring and protecting device based on electric resistance partial pressure type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |