CN105305576A - Charger charging method and charger - Google Patents
Charger charging method and charger Download PDFInfo
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- CN105305576A CN105305576A CN201510863076.1A CN201510863076A CN105305576A CN 105305576 A CN105305576 A CN 105305576A CN 201510863076 A CN201510863076 A CN 201510863076A CN 105305576 A CN105305576 A CN 105305576A
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Abstract
Embodiments of the invention disclose a charger charging method and a charger. Technical problems that a conventional charger only can charge one brand of batteries and is low in compatibility, resources are wasted, and product performance can be influenced are solved. The charger charging method comprises steps of S1: determining a preset battery type selected by a dial switch; S2, detecting battery voltage in a power-on state; S3, determining the condition of the battery voltage, charging a battery based on first reference voltage by a MCU if the battery voltage is in a first voltage range corresponding to the first reference voltage, and executing a step S4; S4, charging the battery based on second reference voltage by the MCU if the battery voltage is in a second voltage range corresponding to the second reference voltage, and executing a step S5; and S5, charging the battery based on third reference voltage by the MCU if the battery voltage is in a third voltage range corresponding to the third reference voltage until the battery voltage reaches the preset voltage, then finishing charging.
Description
Technical field
The present invention relates to technical field of electric power, particularly relate to a kind of charger charging method and charger.
Background technology
Electric automobile battery charger is a kind of equipment aiming at the Vehicular battery charging of electric automobile, the power inverter having specific function used when being and charging to battery.Charger is using microprocessor (cpu chip) as processing controls center, be by numerous and diverse hardware simulation circuit burning in microprocessor, control the operation of charger in the mode of software program.
At present, electric motor car provides power because of it by battery, has environmental protection, pollutes the advantages such as little, and the support of national policy, large quantities of enterprise drops into manpower and materials and enters this field, and light battery just has numerous brand, and the charging curve of different brands battery is not identical, charger is not as charged by corresponding charging curve, light then affect battery life, seriously there will be battery and fill quick-fried danger, existing charger can only to a kind of brand battery charging, compatible little, there is the wasting of resources.
Current charger compatibility is little, there is the wasting of resources, thus result in the technical problem affecting properties of product.
Summary of the invention
A kind of charger charging method that the embodiment of the present invention provides and charger, solving existing charger can only to a kind of brand battery charging, and compatibility is little, there is the wasting of resources, and the technical problem affecting properties of product caused.
A kind of charger charging method that the embodiment of the present invention provides, comprising:
S1: determine the preset battery types selected by toggle switch;
S2: detect cell voltage in the energized state;
S3: the situation judging described cell voltage, if be in first voltage range corresponding to the first reference voltage, then charged to battery according to the first reference voltage by MCU, and performs step S4;
S4: if be in the second voltage range corresponding to the second reference voltage, then charged to battery according to the second reference voltage by MCU, and perform step S5;
S5: if be in tertiary voltage scope corresponding to the 3rd reference voltage, then charged to battery according to the 3rd reference voltage by MCU, until described cell voltage meets preset voltage values, then stops charging.
Alternatively, charged to battery according to the 3rd reference voltage by MCU, until described cell voltage meets preset voltage values, then stop charging specifically comprising:
Charge to battery to the 3rd reference voltage by MCU, until exceed described tertiary voltage, according to the 4th reference voltage, modified constant-voltage charge is carried out to described battery;
Detect whether charging current is not more than preset current value in real time, if so, then according to the 5th reference voltage, described battery is charged, until described cell voltage meets preset voltage values, then stop charging.
A kind of charger that the embodiment of the present invention provides, comprise control circuit, also comprise toggle switch, described control circuit comprises:
MCU, electromagnetism suppress loop, low pressure drop frequency circuit, Boost circuit, conversion circuit LLC, LLC control circuit, output current detection circuit, output voltage detecting circuit and battery exception and reverse-connection protection circuit;
Described MCU and low pressure drop frequency circuit, Boost circuit, LLC control circuit, output current detection circuit, output voltage detecting circuit are electrically connected, described electromagnetism suppresses loop and described low pressure drop frequency circuit, described Boost circuit to be electrically connected, described Boost circuit and described conversion circuit LLC are electrically connected, described conversion circuit LLC and described LLC control circuit are electrically connected, and described conversion circuit LLC and described output voltage detecting circuit and battery exception and reverse-connection protection circuit are electrically connected;
Wherein, described MCU, for determining the preset battery types selected by toggle switch, detect cell voltage in the energized state, judge the situation of described cell voltage, if be in the first voltage range that the first reference voltage is corresponding, then charged to battery according to the first reference voltage by MCU, if be in the second voltage range that the second reference voltage is corresponding, then charged to battery according to the second reference voltage by MCU, if be in the tertiary voltage scope that the 3rd reference voltage is corresponding, then charged to battery according to the 3rd reference voltage by MCU, until described cell voltage meets preset voltage values, then stop charging.
Alternatively, described control circuit also comprises:
Surge voltage absorbing circuit, surge current suppression circuit, be connected in series in described electromagnetism and suppress between loop and described Boost circuit;
Input undervoltage protection circuit, boost control circuit, input overvoltage circuit, auxiliary power supply circuit; the parallel connection of described input undervoltage protection circuit, described input overvoltage circuit is connected with described surge voltage absorbing circuit; described boost control circuit is connected between described input undervoltage protection circuit and described Boost circuit; described auxiliary power supply circuit is connected to described Boost circuit between described MCU, and with described boost control circuit.
Alternatively, described control circuit also comprises:
Current rectifying and wave filtering circuit, is connected between described conversion circuit LLC and described output voltage detecting circuit and battery exception and reverse-connection protection circuit;
Output overvoltage protection circuit, between the junction being connected to described current rectifying and wave filtering circuit and described output voltage detecting circuit and battery exception and reverse-connection protection circuit, and is connected with described MCU.
Alternatively, described control circuit also comprises:
Charger internal temperature detecting unit, charged state indicating circuit, the air-cooled circuit of temperature control, communicating circuit, battery temperature testing circuit, charge forbidden circuit;
Described charger internal temperature detecting unit, described charged state indicating circuit, the air-cooled circuit of described temperature control, described communicating circuit, described battery temperature testing circuit, the forbidden circuit of described charging are all electrically connected with described MCU.
Alternatively, described charger also comprises:
Shell comprises base plate and heat dissipating housing, and described heat dissipating housing is Duct design;
Described heat dissipating housing central authorities have hollow structure, for embedding fan.
Alternatively, described heat dissipating housing surface has one for embedding the mouth of breath light, is provided with described toggle switch below described breath light.
Alternatively, between described base plate and described heat dissipating housing, junction is provided with water proof ring.
Alternatively, the transformer top of described control circuit and bottom are provided with heat-conducting silica gel sheet;
The transistor of described control circuit is for being flattened on described heat dissipating housing inner top.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
A kind of charger charging method that the embodiment of the present invention provides and charger, charger charging method comprises: S1: determine the preset battery types selected by toggle switch; S2: detect cell voltage in the energized state; S3: the situation judging cell voltage, if be in first voltage range corresponding to the first reference voltage, then charged to battery according to the first reference voltage by MCU, and performs step S4; S4: if be in the second voltage range corresponding to the second reference voltage, then charged to battery according to the second reference voltage by MCU, and perform step S5; S5: if be in tertiary voltage scope corresponding to the 3rd reference voltage, 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, by determining the preset battery types selected by toggle switch, detect cell voltage in the energized state, judge the situation of cell voltage, if be in the first voltage range that the first reference voltage is corresponding, then charged to battery according to the first reference voltage by MCU, if be in the second voltage range that the second reference voltage is corresponding, then charged to battery according to the second reference voltage by MCU, if be in the tertiary voltage scope that the 3rd reference voltage is corresponding, then charged to battery according to the 3rd reference voltage by MCU, until cell voltage meets preset voltage values, then stop charging, solving existing charger can only to a kind of brand battery charging, compatible little, there is the wasting of resources, and the technical problem affecting properties of product caused.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art 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 prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of an embodiment of a kind of charger charging method that Fig. 1 embodiment of the present invention provides;
The schematic flow sheet of another embodiment of a kind of charger charging method that Fig. 2 embodiment of the present invention provides;
The control circuit structural representation of a kind of charger that Fig. 3 embodiment of the present invention provides;
The structural representation of a kind of charger that Fig. 4 embodiment of the present invention provides;
The breath light of a kind of charger that Fig. 5 embodiment of the present invention provides and toggle switch structural representation;
The cross-sectional view of a kind of charger that Fig. 6 embodiment of the present invention provides;
Fig. 7 is charger charging process schematic diagram;
Illustrate: MCU1, electromagnetism suppresses loop 2, low pressure drop frequency circuit 3, Boost circuit 4, conversion circuit LLC 5, LLC control circuit 6, output current detection circuit 7, output voltage detecting circuit 8, battery exception and reverse-connection protection circuit 9, surge voltage absorbing circuit 10, surge current suppression circuit 11, input undervoltage protection circuit 12, boost control circuit 13, input overvoltage circuit 14, auxiliary power supply circuit 15, current rectifying and wave filtering circuit 16, output overvoltage protection circuit 17, battery exception and reverse-connection protection circuit 18, charger internal temperature detecting unit 19, charged state indicating circuit 20, the air-cooled circuit 21 of temperature control, communicating circuit 22, battery temperature testing circuit 23, charge forbidden circuit 24, breath light 25, toggle switch 26, base plate 27, heat dissipating housing 28, water proof ring 29, heat-conducting silica gel sheet 30, transistor 31.
Embodiment
A kind of charger charging method that the embodiment of the present invention provides and charger, solving existing charger can only to a kind of brand battery charging, and compatibility is little, there is the wasting of resources, and the technical problem affecting properties of product caused.
For making goal of the invention of the present invention, feature, 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 the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, an embodiment of a kind of charger charging method provided in the embodiment of the present invention comprises:
S1: determine the preset battery types selected by toggle switch;
In the present embodiment, when needs by charger to battery time, need to determine the preset battery types selected by toggle switch.
S2: detect the cell voltage in energising situation;
After determining the preset battery types selected by toggle switch, need the cell voltage in detection energising situation.
S3: the situation judging cell voltage, if be in first voltage range corresponding to the first reference voltage, then charged to battery according to the first reference voltage by MCU, and performs step S4;
After the cell voltage under detecting energising situation, need the situation judging cell voltage, if be in first voltage range corresponding to the first reference voltage, then charged to battery according to the first reference voltage by MCU, and perform step S4.
S4: if be in the second voltage range corresponding to the second reference voltage, then charged to battery according to the second reference voltage by MCU, and perform step S5;
When judging the situation of cell voltage, if be in the first voltage range that the first reference voltage is corresponding, after then being 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 be in the second voltage range that the second reference voltage is corresponding, then need MCU to charge to battery according to the second reference voltage, and perform step S5.
S5: if be in tertiary voltage scope corresponding to the 3rd reference voltage, then charged to battery according to the 3rd reference voltage by MCU, until cell voltage meets preset voltage values, then stops charging.
After MCU to charge to battery according to the second reference voltage, and when meeting tertiary voltage scope, or judge the situation of cell voltage, if be in the tertiary voltage scope that the 3rd reference voltage is corresponding, then 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 determining the preset battery types selected by toggle switch, detect cell voltage in the energized state, judge the situation of cell voltage, if be in the first voltage range that the first reference voltage is corresponding, then charged to battery according to the first reference voltage by MCU, if be in the second voltage range that the second reference voltage is corresponding, then charged to battery according to the second reference voltage by MCU, if be in the tertiary voltage scope that the 3rd reference voltage is corresponding, then charged to battery according to the 3rd reference voltage by MCU, until cell voltage meets preset voltage values, then stop charging, solving existing charger can only to a kind of brand battery charging, compatible little, there is the wasting of resources, and the technical problem affecting properties of product caused.
The above is described in detail the process of charger charging method, is described in detail below, refers to Fig. 2 by concrete process, and another embodiment of a kind of charger charging method provided in the embodiment of the present invention comprises:
201, the preset battery types selected by toggle switch is determined;
In the present embodiment, when needs by charger to battery time, need to determine the preset battery types selected by toggle switch.
202, the cell voltage in energising situation is detected;
After determining the preset battery types selected by toggle switch, need the cell voltage in detection energising situation, such as AC energising detecting cell voltage VB.
203, judge the situation of cell voltage, if be in first voltage range corresponding to the first reference voltage, then charged to battery according to the first reference voltage by MCU, and perform step 204;
After the cell voltage under detecting energising situation, need the situation judging cell voltage, if be in first voltage range corresponding to the first reference voltage, then charged to battery according to the first reference voltage by MCU, and perform step 204.
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, charging A ~ E process, and MCU detects charging current <1A and cell voltage <30V is judged as that battery is pulled out, MCU disconnects condenser, and closes pwm signal.When detecting cell voltage VB>35V.
If 204 are in the second voltage range corresponding to the second reference voltage, are then charged to battery according to the second reference voltage by MCU, and perform step 205;
When judging the situation of cell voltage, if be in the first voltage range that the first reference voltage is corresponding, after then being 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 be in the second voltage range that the second reference voltage is corresponding, then need MCU to charge to battery according to the second reference voltage, and perform step 205.
Such as 60V<VB<72V, MCU provide charging reference voltage 74V, and electric current 30A, until cell voltage is charged to VB>=72V.
If 205 are in tertiary voltage scope corresponding to the 3rd reference voltage, then charged to battery according to the 3rd reference voltage by MCU, until exceed tertiary voltage, according to the 4th reference voltage, modified constant-voltage charge is carried out to battery;
After MCU to charge to battery according to the second reference voltage, and when meeting tertiary voltage scope, or judge the situation of cell voltage, if be in the tertiary voltage scope that the 3rd reference voltage is corresponding, then charged to battery according to the 3rd reference voltage by MCU, until exceed tertiary voltage, according to the 4th reference voltage, modified constant-voltage charge is carried out to battery.
Such as 72V<VB<74V, MCU provides charging reference voltage 74.5V electric current 20A, until cell voltage is charged to VB>=74V, MCU provides charging reference voltage 74.1V, threshold currents 10A, carries out the charging of constant voltage threshold currents.
206, 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 detects charging current=<2A, MCU and provides charging reference voltage 81V, electric current 2A.
207, detect that cell voltage does not meet the 6th voltage range by MCU, then according to the 6th reference voltage, trickle charge is carried out to battery, until the difference of Vuf1 and Vuf2 detected is greater than 2V, then stop charging;
Detect that cell voltage does not meet the 6th voltage range by MCU, then according to the 6th reference voltage, trickle charge is carried out to battery, until the difference of Vuf1 and Vuf2 detected is greater 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 exports Vuf1, as Vuf1<68V, by CV & CCOFF2S, detecting exports Vuf2, during Vuf1-Vuf2>2V, be judged to be that battery is pulled out, product shuts down, continue detecting cell voltage, determine whether to start shooting charging according to compressor start up condition.
It should be noted that, as Vuf1>68V, repeat CV & CCON1S, OFF0.5S action, as Vuf1-Vuf2=<2V, repeat CV & CCON1S, OFF0.5S action.
208, 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 stop charging.
AC energising detecting cell voltage VB & battery temperature,-30 DEG C of < battery temperature <-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=<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 of < battery temperature <55 DEG C), MCU closes starting-up signal and stops 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 detects charging current=<2A, MCU detects cell voltage and is charged to VB=80.1V, shutdown, MCU detects cell voltage and drops to VB=<69V, and 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 temperature <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=<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 of < battery temperature <55 DEG C), MCU closes starting-up signal and stops charging (55 DEG C=< battery temperature).
It should be noted that, as Vuf1>68V, repeat CV & CCON1S, OFF0.5S action, as Vuf1-Vuf2=<2V, repeat CV & CCON1S, OFF0.5S action.
Battery temperature compensation;
For battery temperature 20 DEG C, often raise or reduce by 1 DEG C when battery, battery charging voltage just declines or raises 0.09V (cut-off of voltage compensation lowest temperature is=<10 DEG C);
Product low temperature & overheat protector;
A: product temperature stops start charging lower than-30 DEG C;
The charging of B: in charger during >=75 DEG C, B section reduces to 20A by 30A;
Each section of C: in charger during >=95 DEG C, A-F shutdown stops charging.
Fan speed-regulating;
A: during built-in temperature <35 DEG C, fan=<1350 rev/min;
B: during built-in temperature 35 ~ 40 DEG C, fan=<1740 rev/min;
C: during built-in temperature 40 ~ 60 DEG C, fan=<2880 rev/min;
D: during built-in temperature >60 DEG C, fan=<4470 rev/min
When output short-circuit, product shutdown protection stops charging.
In the present embodiment, by determining the preset battery types selected by toggle switch, detect cell voltage in the energized state, judge the situation of cell voltage, if be in the first voltage range that the first reference voltage is corresponding, then charged to battery according to the first reference voltage by MCU, if be in the second voltage range that the second reference voltage is corresponding, then charged to battery according to the second reference voltage by MCU, if be in the tertiary voltage scope that the 3rd reference voltage is corresponding, then charged to battery according to the 3rd reference voltage by MCU, until cell voltage meets preset voltage values, then stop charging, solving existing charger can only to a kind of brand battery charging, compatible little, there is the wasting of resources, and the technical problem affecting properties of product caused, a rotary coding switch and a status indicator LED lamp is placed below charger respirator, turn on respirator, coordinate software can realize 16 type batteries by rotary coding switch to switch, rotary coding switch is hidden in and can not only meets waterproof requirement below respirator and can also avoid misoperation hidden danger.Waterproof requirement is taken into account again in order to meet heat dispersion, power module is put in closed enclosure that an aluminium casting shell opened by bottom and one block of aluminium sheet form, the transistor that power module caloric value is large is screwed on aluminium casting shell and dispels the heat, the heat of transformer ' s type device passes on shell by the heat-conducting silica gel sheet being added in magnetic core top and bottom, be dissipated in air by shell again, as can be seen here, transformer is sandwiched in the middle of aluminium casting shell and aluminium sheet, both improve heat dispersion, also improve seismic behaviour.In order to realize intelligent operation, the preset PORT COM of charger, program upgrade can be carried out by this PORT COM, battery types is selected, charger state can also be monitored, as information such as charging voltage, charging current, charger internal temperature, rotation speed of the fan, battery condition, battery temperatures, this port is connected with WIFI module and can realizes radio operation and transfer of data.In order to improve heat dispersion further, arrange that the radiation tooth of arc increases area of dissipation in aluminium casting cover top portion, middle placement numerical control fan increases the flow of cold wind.
Refer to Fig. 3 to Fig. 6, an embodiment of a kind of charger provided in the embodiment of the present invention comprises:
Control circuit, also comprise toggle switch 26, control circuit comprises:
MCU1, electromagnetism suppress loop 2, low pressure drop frequency circuit 3, Boost circuit 4, conversion circuit LLC 5, LLC control circuit 6, output current detection circuit 7, output voltage detecting circuit 8 and battery exception and reverse-connection protection circuit 189;
MCU1 and low pressure drop frequency circuit 3, Boost circuit 4, LLC control circuit 6, output current detection circuit 7, output voltage detecting circuit 8 are electrically connected, electromagnetism suppresses loop 2 and low pressure drop frequency circuit 3, Boost circuit 4 to be electrically connected, Boost circuit 4 and conversion circuit LLC 5 are electrically connected, conversion circuit LLC 5 and LLC control circuit 6 are electrically connected, and conversion circuit LLC 5 and output voltage detecting circuit 8 and battery exception and reverse-connection protection circuit 189 are electrically connected;
Wherein, MCU1, for determining the preset battery types selected by toggle switch 26, detect cell voltage in the energized state, judge the situation of cell voltage, if be in the first voltage range that the first reference voltage is corresponding, then charged to battery according to the first reference voltage by MCU1, if be in the second voltage range that the second reference voltage is corresponding, then charged to battery according to the second reference voltage by MCU1, if be in the tertiary voltage scope that the 3rd reference voltage is corresponding, then charged to battery according to the 3rd reference voltage by MCU1, until cell voltage meets preset voltage values, then stop charging.
Further, control circuit also comprises:
Surge voltage absorbing circuit 10, surge current suppression circuit 11, be connected in series in electromagnetism and suppress between loop 2 and Boost circuit 4;
Input undervoltage protection circuit 12, boost control circuit 13, input overvoltage circuit 14, auxiliary power supply circuit 15; input undervoltage protection circuit 12, the parallel connection of input overvoltage circuit 14 are connected with surge voltage absorbing circuit 10; boost control circuit 13 is connected between input undervoltage protection circuit 12 and Boost circuit 4; auxiliary power supply circuit 15 is connected to Boost circuit 4 between MCU1, and with boost control circuit 13.
Further, control circuit also comprises:
Current rectifying and wave filtering circuit 16, is connected between conversion circuit LLC 5 and output voltage detecting circuit 8 and battery exception and reverse-connection protection circuit 189;
Output overvoltage protection circuit 17, between the junction being connected to current rectifying and wave filtering circuit 16 and output voltage detecting circuit 8 and battery exception and reverse-connection protection circuit 189, and is connected with MCU1.
Further, control circuit also comprises:
Charger internal temperature detecting unit 19, charged state indicating circuit 20, the air-cooled circuit of temperature control 21, communicating circuit 22, battery temperature testing circuit 23, charge forbidden circuit 24;
Charger internal temperature detecting unit 19, charged state indicating circuit 20, the air-cooled circuit of temperature control 21, communicating circuit 22, battery temperature testing circuit 23, the forbidden circuit 24 that charges all are electrically connected with MCU1.
Further, charger also comprises:
Shell comprises base plate 27 and heat dissipating housing 28, and heat dissipating housing 28 is Duct design;
Heat dissipating housing 28 central authorities have hollow structure, for embedding fan.
Further, heat dissipating housing 28 surface has one for embedding the mouth of breath light 25, is provided with toggle switch 26 below breath light 25.
Further, between base plate 27 and heat dissipating housing 28, junction is provided with water proof ring 29.
Further, the transformer top of control circuit and bottom are provided with heat-conducting silica gel sheet 30, and shell clamps transformer by heat-conducting silica gel sheet 30, and both antidetonation turn improved heat dispersion;
The transistor 31 of control circuit is for being flattened on heat dissipating housing 28 inner top.
In the present embodiment, by determining the preset battery types selected by toggle switch 26, detect cell voltage in the energized state, judge the situation of cell voltage, if be in the first voltage range that the first reference voltage is corresponding, then charged to battery according to the first reference voltage by MCU1, if be in the second voltage range that the second reference voltage is corresponding, then charged to battery according to the second reference voltage by MCU1, if be in the tertiary voltage scope that the 3rd reference voltage is corresponding, then charged to battery according to the 3rd reference voltage by MCU1, until cell voltage meets preset voltage values, then stop charging, solving existing charger can only to a kind of brand battery charging, compatible little, there is the wasting of resources, and the technical problem affecting properties of product caused, a rotary coding switch and a status indicator LED lamp is placed below charger respirator, turn on respirator, coordinate software can realize 16 type batteries by rotary coding switch to switch, rotary coding switch is hidden in and can not only meets waterproof requirement below respirator and can also avoid misoperation hidden danger.Waterproof requirement is taken into account again in order to meet heat dispersion, power module is put in closed enclosure that an aluminium casting shell opened by bottom and one block of aluminium sheet form, the transistor 31 that power module caloric value is large is screwed on aluminium casting shell and dispels the heat, the heat of transformer ' s type device passes on shell by the heat-conducting silica gel sheet 30 being added in magnetic core top and bottom, be dissipated in air by shell again, as can be seen here, transformer is sandwiched in the middle of aluminium casting shell and aluminium sheet, both improve heat dispersion, also improve seismic behaviour.In order to realize intelligent operation, the preset PORT COM of charger, program upgrade can be carried out by this PORT COM, battery types is selected, charger state can also be monitored, as information such as charging voltage, charging current, charger internal temperature, rotation speed of the fan, battery condition, battery temperatures, this port is connected with WIFI module and can realizes radio operation and transfer of data.In order to improve heat dispersion further, arrange that the radiation tooth of arc increases area of dissipation in aluminium casting cover top portion, middle placement numerical control fan increases the flow of cold wind.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make 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 comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; 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, is characterized in that, comprising:
S1: determine the preset battery types selected by toggle switch;
S2: detect cell voltage in the energized state;
S3: the situation judging described cell voltage, if be in first voltage range corresponding to the first reference voltage, then charged to battery according to the first reference voltage by MCU, and performs step S4;
S4: if be in the second voltage range corresponding to the second reference voltage, then charged to battery according to the second reference voltage by MCU, and perform step S5;
S5: if be in tertiary voltage scope corresponding to the 3rd reference voltage, 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, is characterized in that, is charged according to the 3rd reference voltage by MCU to battery, until described cell voltage meets preset voltage values, then stops charging specifically comprising:
Charge to battery to the 3rd reference voltage by MCU, until exceed described tertiary voltage, according to the 4th reference voltage, modified constant-voltage charge is carried out to described battery;
Detect whether charging current is not more than preset current value in real time, if so, then according to the 5th reference voltage, described battery is charged, until described cell voltage meets preset voltage values, then stop charging.
3. a charger, comprises control circuit, it is characterized in that, also comprises toggle switch, and described control circuit comprises:
MCU, electromagnetism suppress loop, low pressure drop frequency circuit, Boost circuit, conversion circuit LLC, LLC control circuit, output current detection circuit, output voltage detecting circuit and battery exception and reverse-connection protection circuit;
Described MCU and low pressure drop frequency circuit, Boost circuit, LLC control circuit, output current detection circuit, output voltage detecting circuit are electrically connected, described electromagnetism suppresses loop and described low pressure drop frequency circuit, described Boost circuit to be electrically connected, described Boost circuit and described conversion circuit LLC are electrically connected, described conversion circuit LLC and described LLC control circuit are electrically connected, and described conversion circuit LLC and described output voltage detecting circuit and battery exception and reverse-connection protection circuit are electrically connected;
Wherein, described MCU, for determining the preset battery types selected by toggle switch, detect cell voltage in the energized state, judge the situation of described cell voltage, if be in the first voltage range that the first reference voltage is corresponding, then charged to battery according to the first reference voltage by MCU, if be in the second voltage range that the second reference voltage is corresponding, then charged to battery according to the second reference voltage by MCU, if be in the tertiary voltage scope that the 3rd reference voltage is corresponding, then charged to battery according to the 3rd reference voltage by MCU, until described cell voltage meets preset voltage values, then stop charging.
4. charger according to claim 3, is characterized in that, described control circuit also comprises:
Surge voltage absorbing circuit, surge current suppression circuit, be connected in series in described electromagnetism and suppress between loop and described Boost circuit;
Input undervoltage protection circuit, boost control circuit, input overvoltage circuit, auxiliary power supply circuit; the parallel connection of described input undervoltage protection circuit, described input overvoltage circuit is connected with described surge voltage absorbing circuit; described boost control circuit is connected between described input undervoltage protection circuit and described Boost circuit; described auxiliary power supply circuit is connected to described Boost circuit between described MCU, and with described boost control circuit.
5. charger according to claim 4, is characterized in that, described control circuit also comprises:
Current rectifying and wave filtering circuit, is connected between described conversion circuit LLC and described output voltage detecting circuit and battery exception and reverse-connection protection circuit;
Output overvoltage protection circuit, between the junction being connected to described current rectifying and wave filtering circuit and described output voltage detecting circuit and battery exception and reverse-connection protection circuit, and is connected with described MCU.
6. charger according to claim 5, is characterized in that, described control circuit also comprises:
Charger internal temperature detecting unit, charged state indicating circuit, the air-cooled circuit of temperature control, communicating circuit, battery temperature testing circuit, charge forbidden circuit;
Described charger internal temperature detecting unit, described charged state indicating circuit, the air-cooled circuit of described temperature control, described communicating circuit, described battery temperature testing circuit, the forbidden circuit of described charging are all electrically connected with described MCU.
7. charger as claimed in any of claims 1 to 6, is characterized in that, described charger also comprises:
Shell comprises base plate and heat dissipating housing, and described heat dissipating housing is Duct design;
Described heat dissipating housing central authorities have hollow structure, for embedding fan.
8. charger according to claim 7, is characterized in that, described heat dissipating housing surface has one for embedding the mouth of breath light, is provided with described toggle switch below described breath light.
9. charger according to claim 8, is characterized in that, between described base plate and described heat dissipating housing, junction is provided with water proof ring.
10. charger according to claim 9, is characterized in that, transformer top and the bottom of described control circuit are provided with heat-conducting silica gel sheet;
The transistor of described control circuit is for being flattened on described heat dissipating housing inner top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510863076.1A CN105305576A (en) | 2015-11-30 | 2015-11-30 | Charger charging method and charger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510863076.1A CN105305576A (en) | 2015-11-30 | 2015-11-30 | Charger charging method and charger |
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| CN105305576A true CN105305576A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510863076.1A Pending CN105305576A (en) | 2015-11-30 | 2015-11-30 | Charger charging method and charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849255A (en) * | 2017-03-10 | 2017-06-13 | 江苏捷高智能科技有限公司 | A kind of intelligent charging machine and its charging method |
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Application publication date: 20160203 |