CN105634086A - Charging method for charger and charger - Google Patents
Charging method for charger and charger Download PDFInfo
- Publication number
- CN105634086A CN105634086A CN201510863080.8A CN201510863080A CN105634086A CN 105634086 A CN105634086 A CN 105634086A CN 201510863080 A CN201510863080 A CN 201510863080A CN 105634086 A CN105634086 A CN 105634086A
- Authority
- CN
- China
- Prior art keywords
- voltage
- battery
- reference voltage
- mcu
- charger
- 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.)
- Granted
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The embodiment of the invention discloses a charging method for a charger and the charger, and aims at solving the technical problem that the product performance is affected due to the facts that the electric appliance performance is not stable enough, vibration noise is serious and relatively stable output is relatively difficult to achieve at various voltage and load stages of a battery. The charging method for the charger comprises the following steps: (S1) detecting a battery voltage in a power-on condition; (S2) judging the condition of the battery voltage, if the battery voltage is within a first voltage range corresponding to a first reference voltage, charging the battery through an MCU according to the first reference voltage and executing the step (S3); (S3) if the battery voltage is within a second voltage range corresponding to a second reference voltage, charging the battery through the MCU according to a second reference voltage and executing the step (S4); and (S4) if the battery voltage is within a third voltage range corresponding to a third reference voltage, charging the battery through the MCU according to the third reference voltage until the battery voltage meets a preset voltage value, and stopping charging.
Description
Technical field
The present invention relates to charger technical field, particularly relate to a kind of charger charging method and charger.
Background technology
Electric automobile battery charger is the equipment of a kind of Vehicular battery charging aiming at electric automobile, the power inverter having specific function used when being and battery is charged. Charger is using microprocessor (cpu chip) as processing controls center, be by numerous and diverse hardware simulation circuit burning in microprocessor, in the way of software program, control the operation of UPS. Therefore, volume is substantially reduced, weight is substantially reduced, low cost of manufacture, price is relatively low. and under condition, tolerance is poor, relatively it is applicable to the environment that electrical network is more stable and dust is less, temperature/humidity is suitable, refers to that adopting DC charging pattern is the charger that electric powered motor accumulator assembly is charged. DC charging pattern is the pattern directly power accumulator assembly being charged with the controllable direct current power supply of charger output.
A kind of charger that the embodiment of the present invention provides, increase power factor (PF) to process, make grid power utilization rate more than 95% (be typically filled with motor electrical network utilization rate and only have 50��60%), solve electric property to be not sufficiently stable, more difficult realize more stable output at each electrical voltage point of battery and each load stage, popping noise is serious, and the technical problem affecting properties of product caused.
Summary of the invention
Increase power factor (PF) to process, make grid power utilization rate more than 95% (be typically filled with motor electrical network utilization rate and only have 50��60%), solve electric property to be not sufficiently stable, more difficult realize more stable output at each electrical voltage point of battery and each load stage, popping noise is serious, and the technical problem affecting properties of product caused.
A kind of charger charging method that the embodiment of the present invention provides, including:
S1: the cell voltage in detection energising situation;
S2: judge the situation of described cell voltage, if being in the first voltage range that the first reference voltage is corresponding, is then charged to battery according to the first reference voltage by MCU, and performs step S3;
S3: if being in the second voltage range that the second reference voltage is corresponding, be then charged to battery according to the second reference voltage by MCU, and perform step S4;
S4: if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, be then charged to battery according to the 3rd reference voltage by MCU, until described cell voltage meets preset voltage values, then stops charging.
Preferably, if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, being then charged to battery according to the 3rd reference voltage by MCU, until described cell voltage meets preset voltage values, then stopping charging and specifically including:
If being in the tertiary voltage scope that the 3rd reference voltage is corresponding, then it is charged to battery according to the 3rd reference voltage by MCU, until more than the 3rd reference voltage, according to the 4th reference voltage, battery is carried out modified constant-voltage charge, detect whether charging current is not more than preset current value in real time, if, then it is charged according to the 5th reference voltage battery, until more than the 5th reference voltage, charger stops charging, until MCU detects that cell voltage drops to preset voltage value, trickle charge is carried out to battery according to the 6th reference voltage electric current, until reaching charging Preset Time, charger shutdown charging terminates.
Preferably, until MCU detects that cell voltage drops to preset voltage value, carrying out trickle charge according to the 6th reference voltage electric current to battery, until reaching charging Preset Time, charger shutdown charging also includes after terminating:
Detect that described cell voltage meets the 6th voltage range by described MCU, then according to the 6th reference voltage, described battery is carried out trickle charge;
Detecting that electric current and voltage are less than preset voltage value by described MCU, when the difference of Vuf1 and the Vuf2 detected is more than 2V, be then judged as that battery is pulled out, charger stops charging;
Detect charger temperature, battery temperature by described MCU, input AC voltage, carry out dropping volume protection and over-temperature protection;
Detect battery temperature by described MCU and be charged the temperature-compensating of voltage.
Preferably, described battery is dropped volume and battery temperature protection specifically includes:
According to the described battery temperature detected, described battery is charged according to the first reference voltage, the second reference voltage, the 3rd reference voltage, the 4th reference voltage, the 5th reference voltage and preset voltage values successively, until described battery temperature is not less than 55 ��, then stop charging.
A kind of charger that the embodiment of the present invention provides, including control circuit, described control circuit includes:
MCU, phase-shift soft switch control circuit, output voltage detection feedback and battery management unit, described MCU is electrically connected with described phase-shift soft switch control circuit, described output voltage detection feedback and described battery management unit, and described phase-shift soft switch control circuit is electrically connected with described output voltage detection feedback;
Wherein, described MCU is by detecting described battery management unit cell voltage in energising situation, judge the situation of described cell voltage, if being in the first voltage range that the first reference voltage is corresponding, then by being charged to battery according to the first reference voltage, if being in the second voltage range that the second reference voltage is corresponding, then by being charged to battery according to the second reference voltage, if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, then by being charged to battery according to the 3rd reference voltage, until described cell voltage meets preset voltage values, then stop charging.
Preferably, described MCU, it is charged to battery specifically for providing the first reference voltage, until more than the first reference voltage, it is charged to battery according to the second reference voltage electric current, until more than the second reference voltage, it is charged to battery according to the 3rd reference voltage electric current, until more than the 3rd reference voltage, according to the 4th reference voltage, battery is carried out modified constant-voltage charge, detect whether charging current is not more than preset current value in real time, if, then it is charged according to the 5th reference voltage battery, until more than the 5th reference voltage;
Described MCU, is additionally operable to detect that described cell voltage meets the 6th voltage range by described MCU, then according to the 6th reference voltage, described battery is carried out trickle charge;
Described MCU, is additionally operable to detect that electric current and voltage are less than preset value by described MCU, when the difference of Vuf1 and the Vuf2 detected is more than 2V, is then judged as that battery is pulled out, and charger stops charging. Described MCU, is additionally operable to detect charger temperature, battery temperature by described MCU, inputs AC voltage, carry out dropping volume protection and over-temperature protection;
Described MCU, is additionally operable to detect battery temperature by described MCU and is charged the temperature-compensating of voltage.
Preferably, described control circuit also includes:
Electromagnetism suppresses loop, inrush current to suppress soft start, APFC unit, phase-shift soft switch switching circuit, inductance, overpower-protection circuit, current-doubling rectifier, filter circuit, battery/exception and reverse-connection protection circuit;
Described electromagnetism suppresses loop, described inrush current to suppress soft start, described APFC unit, described phase-shift soft switch switching circuit, described inductance, described overpower-protection circuit, current-doubling rectifier, filter circuit, battery/exception and reverse-connection protection circuit to be connected in series.
Preferably, described MCU is electrically connected by temperature protection circuit and LMDS Light Coupled Device and described APFC unit;
Described APFC unit is also electrically connected with auxiliary power supply circuit, and described auxiliary power supply circuit is connected with input low-voltage protection circuit;
Described MCU is connected with phase-shift soft switch major loop abnormity protection circuit.
Preferably, described control circuit also includes:
Galvanometer circuit, output overvoltage protection circuit, charger monitoring internal temperature unit, battery temperature compensation temperature monitoring unit, fan speed-regulating unit;
Described galvanometer circuit, described output overvoltage protection circuit, described charger monitoring internal temperature unit, described battery temperature compensation temperature monitoring unit, described fan speed-regulating unit are all electrically connected with described MCU.
Preferably, described battery management unit includes LMDS Light Coupled Device and communication unit, for being connected with battery by BUS bus.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
A kind of charger charging method of embodiment of the present invention offer and charger, charger charging method includes: S1: the cell voltage in detection energising situation; S2: judge the situation of cell voltage, if being in the first voltage range that the first reference voltage is corresponding, is then charged to battery according to the first reference voltage by MCU, and performs step S3; S3: if being in the second voltage range that the second reference voltage is corresponding, be then charged to battery according to the second reference voltage by MCU, and perform step S4; S4: if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, be then charged to battery according to the 3rd reference voltage by MCU, until cell voltage meets preset voltage values, then stops charging. In the present embodiment, increase interleaved power factor to process, make grid power utilization rate > 95% (being typically filled with motor net electricity service efficiency 50��60%), solve electric property to be not sufficiently stable, more difficult realize more stable output at each electrical voltage point of battery and each load stage, popping noise is serious, and the technical problem affecting properties of product caused.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of one embodiment of a kind of charger charging method that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of another embodiment of a kind of charger charging method that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the control circuit of a kind of charger that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 is the external structure schematic diagram of the charger of the embodiment of the present invention;
The respiratory organ dial-up that Fig. 5 is the charger of the embodiment of the present invention selects switch structure diagram;
Fig. 6 is the cross-sectional view of the charger of the embodiment of the present invention;
Fig. 7 is the charging flow schematic diagram of Fig. 2 embodiment;
Fig. 8 is the volume that drops protection and the battery temperature protection schematic flow sheet of Fig. 2 embodiment.
Illustrate: MCU1, phase-shift soft switch control circuit 2, output voltage detection feedback 3 and battery management unit 4, electromagnetism suppresses loop 5, inrush current suppresses soft start 6, APFC unit 7, phase-shift soft switch switching circuit 8, inductance 9, overpower-protection circuit 10, current-doubling rectifier 11, filter circuit 12, battery/exception and reverse-connection protection circuit 13, temperature protection circuit 14, LMDS Light Coupled Device 15, auxiliary power supply circuit 16, input low-voltage protection circuit 17, phase-shift soft switch major loop abnormity protection circuit 18, galvanometer circuit 19, output overvoltage protection circuit 20, charger monitoring internal temperature unit 21, battery temperature compensation temperature monitoring unit 22, fan speed-regulating unit 23, communication unit 24, respiratory organ 25, dial-up selects switch 26, constant power transistor screw 27, ladder insulation grain carries out safety insulation 28, PCB substrate 29, power transistor 30, ceramic heat-dissipating insulating trip 31, shell aluminium base 32, interleaved boost circuit 71, boost control circuit 72.
Detailed description of the invention
A kind of charger charging method of embodiment of the present invention offer and charger, increase interleaved power factor to process, making grid power utilization rate > 95% (be typically filled with motor net electricity service efficiency only 50��60%) solve electric property and be not sufficiently stable, more difficult realize more stable output at each electrical voltage point of battery and each load stage, popping noise is serious, and the technical problem affecting properties of product caused.
For making the goal of the invention of the present invention, feature, the advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only a part of embodiment of the present invention, and not all embodiment. Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1, an embodiment of a kind of charger charging method provided in the embodiment of the present invention includes:
Referring to Fig. 1, an embodiment of a kind of charger charging method provided in the embodiment of the present invention includes:
S1: the cell voltage in detection energising situation;
In the present embodiment, when requiring over charger to battery, it is necessary to the cell voltage in detection energising situation.
S2: judge the situation of cell voltage, if being in the first voltage range that the first reference voltage is corresponding, is then charged to battery according to the first reference voltage by MCU, and performs step S3;
After the cell voltage in detection energising situation, it is necessary to judge the situation of cell voltage, if being in the first voltage range that the first reference voltage is corresponding, be then charged to battery according to the first reference voltage by MCU, and perform step S3.
S3: if being in the second voltage range that the second reference voltage is corresponding, be then charged to battery according to the second reference voltage by MCU, and perform step S4;
When the situation judging cell voltage, if being in the first voltage range that the first reference voltage is corresponding, after being then charged to battery according to the first reference voltage by MCU, and when meeting the second voltage range, or judge the situation of cell voltage, if being in the second voltage range that the second reference voltage is corresponding, then need MCU to be charged to battery according to the second reference voltage, and perform step S4.
S4: if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, be then charged to battery according to the 3rd reference voltage by MCU, until cell voltage meets preset voltage values, then stops charging.
After MCU is charged to battery according to the second reference voltage, and when meeting tertiary voltage scope, or judge the situation of cell voltage, if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, then it is charged to battery according to the 3rd reference voltage by MCU, until cell voltage meets preset voltage values, then stop charging.
In the present embodiment, by judging the situation of cell voltage, if being in the first voltage range that the first reference voltage is corresponding, then it is charged to battery according to the first reference voltage by MCU; If being in the second voltage range that the second reference voltage is corresponding, then it is charged to battery according to the second reference voltage by MCU; If being in the tertiary voltage scope that the 3rd reference voltage is corresponding, then it is charged to battery according to the 3rd reference voltage by MCU, until cell voltage meets preset voltage values, then stop charging, increase interleaved power factor to process, making grid power utilization rate > 95% (be typically filled with motor net electricity service efficiency only 50��60%) solve electric property and be not sufficiently stable, more difficult realize more stable output at each electrical voltage point of battery and each load stage, popping noise is serious, and the technical problem affecting properties of product caused.
The above is that the process to charger charging method is described in detail, and concrete process will be described in detail below, refers to Fig. 2, and another embodiment of a kind of charger charging method provided in the embodiment of the present invention includes:
201, the cell voltage in detection energising situation;
In the present embodiment, when requiring over charger to battery, it is necessary to the cell voltage in detection energising situation, for instance AC energising detecting cell voltage VB.
202, judge the situation of cell voltage, if being in the first voltage range that the first reference voltage is corresponding, be then charged to battery according to the first reference voltage by MCU, and perform step 203;
After the cell voltage in detection energising situation, it is necessary to judge the situation of cell voltage, if being in the first voltage range that the first reference voltage is corresponding, be then charged to battery according to the first reference voltage by MCU, and perform step 203.
Such as 35V<VB<60V, MCU provides charging reference voltage 62V, electric current 10A, until cell voltage is charged to VB>=60V, charging process pulls out battery, A��E process of charging, MCU detects charging current, and<<30V is judged as that battery is pulled out, and MCU disconnects condenser, and closes pwm signal for 1A and cell voltage. When detecting cell voltage VB>35V.
If 203 are in the second voltage range that the second reference voltage is corresponding, then it are charged to battery according to the second reference voltage by MCU, and perform step 204;
When the situation judging cell voltage, if being in the first voltage range that the first reference voltage is corresponding, after being then charged to battery according to the first reference voltage by MCU, and when meeting the second voltage range, or judge the situation of cell voltage, if being in the second voltage range that the second reference voltage is corresponding, then need MCU to be charged to battery according to the second reference voltage, and perform step 204.
Such as 60V<VB<72V, MCU provides charging reference voltage 74V, electric current 30A, until cell voltage is charged to VB>=72V.
If 204 are in the tertiary voltage scope that the 3rd reference voltage is corresponding, being then charged to battery according to the 3rd reference voltage by MCU, until exceeding tertiary voltage, according to the 4th reference voltage, battery being carried out modified constant-voltage charge;
After MCU is charged to battery according to the second reference voltage, and when meeting tertiary voltage scope, or judge the situation of cell voltage, if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, then it is charged to battery according to the 3rd reference voltage by MCU, until exceeding tertiary voltage, according to the 4th reference voltage, battery is carried out modified constant-voltage charge.
Such as 72V<VB<74V, MCU provides charging reference voltage 74.5V electric current 20A, until cell voltage is charged to VB>=74V, MCU provide charging reference voltage 74.1V, threshold currents 10A, carries out constant voltage threshold currents charging.
205, detect whether charging current is not more than preset current value in real time, if so, then according to the 5th reference voltage, battery is charged, until cell voltage meets preset voltage values, then stop charging;
Detect whether charging current is not more than preset current value in real time, if so, then according to the 5th reference voltage, battery is charged, until cell voltage meets preset voltage values, then stop charging.
Such as MCU detect charging current=< 2A, MCU provide charging reference voltage 81V, electric current 2A.
206, detect that cell voltage is unsatisfactory for the 6th voltage range by MCU, then according to the 6th reference voltage, battery is carried out trickle charge, until the difference of Vuf1 and the Vuf2 detected is more than 2V, then stop charging;
Detect that cell voltage is unsatisfactory for the 6th voltage range by MCU, then according to the 6th reference voltage, battery is carried out trickle charge, until the difference of Vuf1 and the Vuf2 detected is more than 2V, then stop charging.
Such as MCU detects cell voltage and drops to VB=< 69V, and start provides reference voltage 69V, electric current 2A trickle charge.
Such as shown in Fig. 7, CV&CCON1S, OFF0.5S, during CV&CCOFF0.5S, detecting output Vuf1, when Vuf1 is<during 68V, by CV&CCOFF2S, detecting output Vuf2, during Vuf1-Vuf2>2V, it is determined that pull out for battery, product shuts down, continue detecting cell voltage, decide whether start charging according to compressor start up condition.
It should be noted that as Vuf1>68V time, repeat CV&CCON1S, OFF0.5S action, when Vuf1-Vuf2=<during 2V, repeats CV&CCON1S, OFF0.5S action.
207, according to the battery temperature detected, battery is charged according to the first reference voltage, the second reference voltage, the 3rd reference voltage, the 4th reference voltage, the 5th reference voltage and preset voltage values successively, until battery temperature is not less than 55 ��, then stop charging.
According to the battery temperature detected, battery is charged according to the first reference voltage, the second reference voltage, the 3rd reference voltage, the 4th reference voltage, the 5th reference voltage and preset voltage values successively, until battery temperature is not less than 55 ��, then stops charging.
Such as shown in Fig. 8, AC energising detecting cell voltage VB& battery temperature,-30 DEG C of<battery temperatures<-20 DEG C, start time delay 2 minutes, and with 2A pre-charge electricity 1H, 35V<VB<60V, MCU provides charging reference voltage 62V, electric current 10A, 60V<VB<72V, MCU provides charging reference voltage 74V, electric current 30A detects ac input voltage, if Vac>160V, MCU provides charging reference voltage 74V, electric current 30A detects ac input voltage, if Vac=is<160V, MCU provides charging reference voltage 74V, electric current 20A, until VB is charged to>72V, MCU provides charging reference current 10A (40 DEG C<battery temperature<55 DEG C), MCU closedown starting-up signal stopping charging (55 DEG C=<battery temperature).
Or AC energising detecting cell voltage VB& battery temperature ,-30 DEG C of<battery temperature<-20 DEG C, cell voltage is charged to VB>=74V, MCU provides charging reference voltage 74.1V, electric current 10A, MCU detect that charging current=<2A, MCU detect cell voltage and be charged to VB=80.1V, shutdown, MCU detects cell voltage and drops to VB=<69V, start, provides reference voltage 69V, electric current 2A, MCU close starting-up signal and stop charging.
AC energising detecting cell voltage VB& battery temperature,-20 DEG C of<battery temperatures<30 DEG C, 35V<VB<60V, MCU provides charging reference voltage 62V, electric current 10A, 60V<VB<72V, MCU provides charging reference voltage 74V, electric current 30A detects ac input voltage, if Vac>160V, MCU provides charging reference voltage 74V, electric current 30A detects ac input voltage, if Vac=is<160V, MCU provides charging reference voltage 74V, electric current 20A, until VB is charged to>72V, MCU provides charging reference current 10A (40 DEG C<battery temperature<55 DEG C), MCU closedown starting-up signal stopping charging (55 DEG C=<battery temperature).
It should be noted that as Vuf1>68V time, repeat CV&CCON1S, OFF0.5S action, when Vuf1-Vuf2=<during 2V, repeats CV&CCON1S, OFF0.5S action.
Battery temperature compensation;
For battery temperature 20 DEG C, when battery often raises or reduces by 1 DEG C, battery charging voltage just declines or raises 0.09V (cut-off of voltage compensation lowest temperature for=< 10 DEG C);
Product low temperature & overheat protector;
A: product temperature stops start charging lower than-30 DEG C;
B: in charger >=85 DEG C time, the charging of B section is reduced to 20A by 30A;
C: in charger >=95 DEG C time, each section of A-F shutdown stops charging.
Fan speed-regulating;
A: built-in temperature < when 35 DEG C, fan=< 1350 revs/min;
B: during built-in temperature 35��40 DEG C, fan=< 1740 revs/min;
C: during built-in temperature 40��60 DEG C, fan=< 2880 revs/min;
When D: built-in temperature>60 DEG C, fan=<4470 revs/min
When output short-circuit, product shutdown protection stops charging.
In the present embodiment, by judging the situation of cell voltage, if being in the first voltage range that the first reference voltage is corresponding, then it is charged to battery according to the first reference voltage by MCU; If being in the second voltage range that the second reference voltage is corresponding, then it is charged to battery according to the second reference voltage by MCU; If being in the tertiary voltage scope that the 3rd reference voltage is corresponding, then it is charged to battery according to the 3rd reference voltage by MCU, until cell voltage meets preset voltage values, then stop charging, increase interleaved power factor to process, making grid power utilization rate > 95% (be typically filled with motor net electricity service efficiency only 50��60%) solve electric property and be not sufficiently stable, more difficult realize more stable output at each electrical voltage point of battery and each load stage, popping noise is serious, and the technical problem affecting properties of product caused. And the technical problem affecting properties of product caused, optimize air-channel heat-dissipation structure, reduce the overheated risk of product. Add respiratory organ, namely guarantee water resistance, discharge again and in product, produce gas balance interiors of products air pressure, it is to avoid hidden peril of explosion, improve product safety. Improving power factor (PF), improve electrical network service efficiency with energy-saving and emission-reduction, improving product stability, full load each voltage stage realizes product and stably exports. Preset charging procedure in single-chip microcomputer, selects switch to select charging procedure by the built-in dial-up of respiratory organ.
Referring to Fig. 3, an embodiment of a kind of charger provided in the embodiment of the present invention includes:
MCU1, phase-shift soft switch control circuit 2, output voltage detection feedback 3 and battery management unit 4, MCU1 is electrically connected with phase-shift soft switch control circuit 2, output voltage detection feedback 3 and battery management unit 4, and phase-shift soft switch control circuit 2 and output voltage detect feedback 3 electric connection;
Wherein, MCU1 is by detecting the battery management unit 4 cell voltage in energising situation, judge the situation of cell voltage, if being in the first voltage range that the first reference voltage is corresponding, then by being charged to battery according to the first reference voltage, if being in the second voltage range that the second reference voltage is corresponding, then by being charged to battery according to the second reference voltage, if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, then by being charged to battery according to the 3rd reference voltage, until cell voltage meets preset voltage values, then stop charging.
Further, MCU1, it is charged to battery specifically for providing the first reference voltage, until more than the first reference voltage, it is charged to battery according to the second reference voltage electric current, until more than the second reference voltage, it is charged to battery according to the 3rd reference voltage electric current, until more than the 3rd reference voltage, according to the 4th reference voltage, battery is carried out modified constant-voltage charge, detect whether charging current is not more than preset current value in real time, if, then it is charged according to the 5th reference voltage battery, until more than the 5th reference voltage;
MCU1, is additionally operable to detect that cell voltage meets the 6th voltage range by MCU1, then according to the 6th reference voltage, battery is carried out trickle charge;
MCU1, is additionally operable to detect that electric current and voltage are less than preset value by MCU1, when the difference of Vuf1 and the Vuf2 detected is more than 2V, is then judged as that battery is pulled out, and charger stops charging. MCU1, is additionally operable to detect charger temperature, battery temperature by MCU1, inputs AC voltage, carry out dropping volume protection and over-temperature protection;
MCU1, is additionally operable to detect battery temperature by MCU1 and is charged the temperature-compensating of voltage.
Further, control circuit also includes:
Electromagnetism suppresses loop 5, inrush current to suppress soft start 6, APFC unit 7, phase-shift soft switch switching circuit 8, inductance 9, overpower-protection circuit 10, current-doubling rectifier 11, filter circuit 12, battery/exception and reverse-connection protection circuit 13;
Electromagnetism suppresses loop 5, inrush current to suppress soft start 6 loop, APFC unit 7, phase-shift soft switch switching circuit 8, inductance 9, overpower-protection circuit 10, current-doubling rectifier 11, filter circuit 12, battery/exception and reverse-connection protection circuit 13 to be connected in series; electromagnetism suppresses loop 5 to include EMC filter circuit 12, suppress and improve EMC characteristic; inrush current suppresses soft start 6 loop in power initiation moment, controls input current. Thus protecting supply line and reducing the impact to power supply itself; APFC unit 7 adopts the alternating expression APFC circuit of advanced person; reduce the profit of switch element; reduce power supply to mention; reduce the ripple current in electrolysis; while current-doubling rectifier 11 reduces output switch device; energy conversion efficiency can be effectively improved; the phase-shift soft switch resonance circuit of phase-shift soft switch switching circuit 8 advanced person; allow power device finance zero-pressure open turn off with zero stream; improve conversion efficiency, have good EMC characteristic simultaneously.
Further, MCU1 is electrically connected with APFC unit 7 by temperature protection circuit 14 and LMDS Light Coupled Device 15;
APFC unit 7 is also electrically connected with auxiliary power supply circuit 16, and auxiliary power supply circuit 16 is connected with input low-voltage protection circuit 17, and APFC unit 7 includes interleaved boost circuit 71 and boost control circuit 72;
MCU1 is connected with phase-shift soft switch major loop abnormity protection circuit 18.
Further, control circuit also includes:
Galvanometer circuit 19, output overvoltage protection circuit 20, charger monitoring internal temperature unit 21, battery temperature compensation temperature monitoring unit 22, fan speed-regulating unit 23;
Galvanometer circuit 19, output overvoltage protection circuit 20, charger monitoring internal temperature unit 21, battery temperature compensation temperature monitoring unit 22, fan speed-regulating unit 23 are all electrically connected with MCU1.
Further, battery management unit 4 includes LMDS Light Coupled Device 15 and communication unit 24, for being connected with battery by BUS bus.
Fig. 4 is the external structure of the charger of the embodiment of the present invention.
As shown in Figure 4 and Figure 5, charger shell is additionally provided with respiratory organ 2525 and shows two-in-one with LED, and the built-in dial-up of respiratory organ 25 selects switch 2626 selection charging procedure, running status LED indicates: red, green, yellow, three kinds of colors show, battery charging procedure dial-up, select switch, intelligent communication interface, program upgrading can be carried out by this interface, charger operational factor, battery parameter is monitored.
In the present embodiment, as shown in Figure 6, charger includes: constant power transistor screw 27, ladder insulation grain 28 carries out safety insulation, PCB substrate 29, power transistor 30, ceramic heat-dissipating insulating trip 31, shell aluminium base 32.
In the present embodiment, by judging the situation of cell voltage, if being in the first voltage range that the first reference voltage is corresponding, then it is charged to battery according to the first reference voltage by MCU1; If being in the second voltage range that the second reference voltage is corresponding, then it is charged to battery according to the second reference voltage by MCU1; If being in the tertiary voltage scope that the 3rd reference voltage is corresponding, then it is charged to battery according to the 3rd reference voltage by MCU1, until cell voltage meets preset voltage values, then stop charging, solving current charger does not have power factor (PF) to process, make grid power utilization rate 50��60%, electric property is not sufficiently stable, more difficult realize more stable output at each electrical voltage point of battery and each load stage, popping noise is serious, and the technical problem affecting properties of product caused, optimize air-channel heat-dissipation structure, reduce the overheated risk of product. Add respiratory organ 25, namely guarantee water resistance, discharge again and in product, produce gas balance interiors of products air pressure, it is to avoid hidden peril of explosion, improve product safety. Improving power factor (PF), improve electrical network service efficiency with energy-saving and emission-reduction, improving product stability, full load each voltage stage realizes product and stably exports. Preset charging procedure in single-chip microcomputer, selects switch 26 selection charging procedure, the application of phase whole-bridging circuit by the built-in dial-up of respiratory organ 25, makes product when battery difference voltage and current charges, reduce noise performance, stable.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, it is possible to reference to the corresponding process in preceding method embodiment, do not repeat them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it is possible to realize by another way. Such as, device embodiment described above is merely schematic, such as, the division of described unit, being only a kind of logic function to divide, actual can have other dividing mode when realizing, for instance multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform. Another point, shown or discussed coupling each other or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, device or unit, it is possible to be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE. Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit. Above-mentioned integrated unit both can adopt the form of hardware to realize, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit is using the form realization of SFU software functional unit and as independent production marketing or use, it is possible to be stored in a computer read/write memory medium. Based on such understanding, part or all or part of of this technical scheme that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention. And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-OnlyMemory), the various media that can store program code such as random access memory (RAM, RandomAccessMemory), magnetic disc or CD.
The above, above example only in order to technical scheme to be described, is not intended to limit; Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a charger charging method, it is characterised in that including:
S1: the cell voltage in detection energising situation;
S2: judge the situation of described cell voltage, if being in the first voltage range that the first reference voltage is corresponding, is then charged to battery according to the first reference voltage by MCU, and performs step S3;
S3: if being in the second voltage range that the second reference voltage is corresponding, be then charged to battery according to the second reference voltage by MCU, and perform step S4;
S4: if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, be then charged to battery according to the 3rd reference voltage by MCU, until described cell voltage meets preset voltage values, then stops charging.
2. charger charging method according to claim 1, it is characterized in that, if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, being then charged to battery according to the 3rd reference voltage by MCU, until described cell voltage meets preset voltage values, then stop charging and specifically include:
If being in the tertiary voltage scope that the 3rd reference voltage is corresponding, then it is charged to battery according to the 3rd reference voltage by MCU, until more than the 3rd reference voltage, according to the 4th reference voltage, battery is carried out modified constant-voltage charge, detect whether charging current is not more than preset current value in real time, if, then it is charged according to the 5th reference voltage battery, until more than the 5th reference voltage, charger stops charging, until MCU detects that cell voltage drops to preset voltage value, trickle charge is carried out to battery according to the 6th reference voltage electric current, until reaching charging Preset Time, charger shutdown charging terminates.
3. charger charging method according to claim 2, it is characterized in that, until MCU detects that cell voltage drops to preset voltage value, carry out trickle charge according to the 6th reference voltage electric current to battery, until reaching charging Preset Time, charger shutdown charging also includes after terminating:
Detect that described cell voltage meets the 6th voltage range by described MCU, then according to the 6th reference voltage, described battery is carried out trickle charge;
Detecting that electric current and voltage are less than preset voltage value by described MCU, when the difference of Vuf1 and the Vuf2 detected is more than 2V, be then judged as that battery is pulled out, charger stops charging;
Detect charger temperature, battery temperature by described MCU, input AC voltage, carry out dropping volume protection and over-temperature protection;
Detect battery temperature by described MCU and be charged the temperature-compensating of voltage.
4. charger charging method according to claim 3, it is characterised in that described battery is dropped volume and battery temperature protection specifically includes:
According to the described battery temperature detected, described battery is charged according to the first reference voltage, the second reference voltage, the 3rd reference voltage, the 4th reference voltage, the 5th reference voltage and preset voltage values successively, until described battery temperature is not less than 55 ��, then stop charging.
5. a charger, including control circuit, it is characterised in that described control circuit includes:
MCU, phase-shift soft switch control circuit, output voltage detection feedback and battery management unit, described MCU is electrically connected with described phase-shift soft switch control circuit, described output voltage detection feedback and described battery management unit, and described phase-shift soft switch control circuit is electrically connected with described output voltage detection feedback;
Wherein, described MCU is by detecting described battery management unit cell voltage in energising situation, judge the situation of described cell voltage, if being in the first voltage range that the first reference voltage is corresponding, then by being charged to battery according to the first reference voltage, if being in the second voltage range that the second reference voltage is corresponding, then by being charged to battery according to the second reference voltage, if being in the tertiary voltage scope that the 3rd reference voltage is corresponding, then by being charged to battery according to the 3rd reference voltage, until described cell voltage meets preset voltage values, then stop charging.
6. charger according to claim 5, it is characterised in that
Described MCU, it is charged to battery specifically for providing the first reference voltage, until more than the first reference voltage, it is charged to battery according to the second reference voltage electric current, until more than the second reference voltage, it is charged to battery according to the 3rd reference voltage electric current, until more than the 3rd reference voltage, according to the 4th reference voltage, battery is carried out modified constant-voltage charge, detect whether charging current is not more than preset current value in real time, if so, then it is charged according to the 5th reference voltage battery, until more than the 5th reference voltage;
Described MCU, is additionally operable to detect that described cell voltage meets the 6th voltage range by described MCU, then according to the 6th reference voltage, described battery is carried out trickle charge;
Described MCU, is additionally operable to detect that electric current and voltage are less than preset value by described MCU, when the difference of Vuf1 and the Vuf2 detected is more than 2V, is then judged as that battery is pulled out, and charger stops charging. Described MCU, is additionally operable to detect charger temperature, battery temperature by described MCU, inputs AC voltage, carry out dropping volume protection and over-temperature protection;
Described MCU, is additionally operable to detect battery temperature by described MCU and is charged the temperature-compensating of voltage.
7. charger according to claim 6, it is characterised in that described control circuit also includes:
Electromagnetism suppresses loop, inrush current to suppress soft start, APFC unit, phase-shift soft switch switching circuit, inductance, overpower-protection circuit, current-doubling rectifier, filter circuit, battery/exception and reverse-connection protection circuit;
Described electromagnetism suppresses loop, described inrush current to suppress soft start, described APFC unit, described phase-shift soft switch switching circuit, described inductance, described overpower-protection circuit, current-doubling rectifier, filter circuit, battery/exception and reverse-connection protection circuit to be connected in series.
8. charger according to claim 7, it is characterised in that described MCU is electrically connected by temperature protection circuit and LMDS Light Coupled Device and described APFC unit;
Described APFC unit is also electrically connected with auxiliary power supply circuit, and described auxiliary power supply circuit is connected with input low-voltage protection circuit;
Described MCU is connected with phase-shift soft switch major loop abnormity protection circuit.
9. charger according to claim 8, it is characterised in that described control circuit also includes:
Galvanometer circuit, output overvoltage protection circuit, charger monitoring internal temperature unit, battery temperature compensation temperature monitoring unit, fan speed-regulating unit;
Described galvanometer circuit, described output overvoltage protection circuit, described charger monitoring internal temperature unit, described battery temperature compensation temperature monitoring unit, described fan speed-regulating unit are all electrically connected with described MCU.
10. charger according to claim 9, it is characterised in that described battery management unit includes LMDS Light Coupled Device and communication unit, for being connected with battery by BUS bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510863080.8A CN105634086B (en) | 2015-11-30 | 2015-11-30 | A kind of charger charging method and charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510863080.8A CN105634086B (en) | 2015-11-30 | 2015-11-30 | A kind of charger charging method and charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105634086A true CN105634086A (en) | 2016-06-01 |
| CN105634086B CN105634086B (en) | 2018-09-14 |
Family
ID=56048747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510863080.8A Active CN105634086B (en) | 2015-11-30 | 2015-11-30 | A kind of charger charging method and charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105634086B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410919A (en) * | 2016-11-28 | 2017-02-15 | 丽水学院 | Control method of super-capacitor module charging power supply |
| CN110829537A (en) * | 2019-11-21 | 2020-02-21 | 四川长虹电源有限责任公司 | Charging management system for aviation lithium battery pack |
| CN111380411A (en) * | 2018-12-27 | 2020-07-07 | 湖南尚花科技有限公司 | Firework driving system and firework driving method |
| CN115201616A (en) * | 2022-09-16 | 2022-10-18 | 智洋创新科技股份有限公司 | Charger operation online monitoring method based on big data |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006304426A (en) * | 2005-04-18 | 2006-11-02 | Sumitomonacco Materials Handling Co Ltd | Method of charging vehicle battery and charger |
| CN101431250A (en) * | 2007-11-06 | 2009-05-13 | 上海辰蕊微电子科技有限公司 | Charging management control circuit used for battery charger and its control method |
| CN101704359A (en) * | 2008-08-26 | 2010-05-12 | 王丹 | Electric car charger |
| CN204333985U (en) * | 2014-07-27 | 2015-05-13 | 比瑞科技(深圳)有限公司 | A kind of high-power charger with auto-breaking defencive function |
| CN104868545A (en) * | 2015-05-22 | 2015-08-26 | 重庆川仪自动化股份有限公司 | Control method of cell charging, control circuit and control system thereof |
| CN205544505U (en) * | 2015-11-30 | 2016-08-31 | 东莞市港奇电子有限公司 | Charger |
-
2015
- 2015-11-30 CN CN201510863080.8A patent/CN105634086B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006304426A (en) * | 2005-04-18 | 2006-11-02 | Sumitomonacco Materials Handling Co Ltd | Method of charging vehicle battery and charger |
| CN101431250A (en) * | 2007-11-06 | 2009-05-13 | 上海辰蕊微电子科技有限公司 | Charging management control circuit used for battery charger and its control method |
| CN101704359A (en) * | 2008-08-26 | 2010-05-12 | 王丹 | Electric car charger |
| CN204333985U (en) * | 2014-07-27 | 2015-05-13 | 比瑞科技(深圳)有限公司 | A kind of high-power charger with auto-breaking defencive function |
| CN104868545A (en) * | 2015-05-22 | 2015-08-26 | 重庆川仪自动化股份有限公司 | Control method of cell charging, control circuit and control system thereof |
| CN205544505U (en) * | 2015-11-30 | 2016-08-31 | 东莞市港奇电子有限公司 | Charger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410919A (en) * | 2016-11-28 | 2017-02-15 | 丽水学院 | Control method of super-capacitor module charging power supply |
| CN111380411A (en) * | 2018-12-27 | 2020-07-07 | 湖南尚花科技有限公司 | Firework driving system and firework driving method |
| CN110829537A (en) * | 2019-11-21 | 2020-02-21 | 四川长虹电源有限责任公司 | Charging management system for aviation lithium battery pack |
| CN115201616A (en) * | 2022-09-16 | 2022-10-18 | 智洋创新科技股份有限公司 | Charger operation online monitoring method based on big data |
| CN115201616B (en) * | 2022-09-16 | 2022-12-16 | 智洋创新科技股份有限公司 | Charger operation online monitoring method based on big data |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105634086B (en) | 2018-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205960979U (en) | A charging system and power adapter for terminal | |
| KR102258364B1 (en) | Rechargeable battery systems and rechargeable battery system operational method | |
| CN105634086A (en) | Charging method for charger and charger | |
| CN102882260B (en) | Lithium battery charging control method with temperature detection function and charger for implementing lithium battery charging control method | |
| CN205544505U (en) | Charger | |
| CN102969777A (en) | Intelligent charging pile for electric vehicle storage battery | |
| EP2666226A1 (en) | Rechargeable battery systems and rechargeable battery system operational methods | |
| CN105024539A (en) | Voltage short interruption reply method and device of single-phase AC power supply | |
| CN104753157A (en) | TOPSwitch-GX series integrated chip control-based charger | |
| CN107276381A (en) | High voltage converter pre-charging device and charging method based on electric power electric transformer | |
| CN110311183B (en) | Charge-discharge protection method and device for lithium battery pack | |
| CN203166605U (en) | Battery charging circuit | |
| KR20010037395A (en) | inverter air conditioner control Method and apparatus | |
| CN110829817B (en) | Control circuit, control method and device of control circuit and air conditioner | |
| CN105305576A (en) | Charger charging method and charger | |
| CN105337370B (en) | Electric ship charger charging method and electric ship charger | |
| CN106787664A (en) | Soft starting circuit | |
| CN209285175U (en) | A kind of food processor using DC brushless motor | |
| US20210066946A1 (en) | Temperature Dependent Current and Pulse Controlled Charging Method for a Battery Charger | |
| CN104935158A (en) | Novel zero voltage switching circuit and bidirectional conversion controller | |
| CN206195435U (en) | Battery charge protection circuit | |
| CN215909246U (en) | Portable air conditioner | |
| CN208674903U (en) | A kind of multi-channel charger | |
| CN215498271U (en) | Control device of direct-current power supply and air conditioner | |
| CN214227916U (en) | Resistance-capacitance step-down charging circuit |
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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201231 Address after: 523000 the first industrial zone, Cunwei, Hengli Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN CITY MITRA POWER SOLUTIONS Co.,Ltd. Address before: Hengli Town, Guangdong province Dongguan City Yong Shi 523000 private industrial zone Patentee before: DONGGUAN CITY GANGQI ELECTRONIC Co.,Ltd. |
|
| TR01 | Transfer of patent right |