CN109494819A - A kind of charger and charging method - Google Patents
A kind of charger and charging method Download PDFInfo
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- CN109494819A CN109494819A CN201710813781.XA CN201710813781A CN109494819A CN 109494819 A CN109494819 A CN 109494819A CN 201710813781 A CN201710813781 A CN 201710813781A CN 109494819 A CN109494819 A CN 109494819A
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- charger
- charging
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- 238000004891 communication Methods 0.000 claims abstract description 40
- 230000005611 electricity Effects 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims description 23
- 238000003860 storage Methods 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 7
- 238000004590 computer program Methods 0.000 description 6
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- 238000012545 processing Methods 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H02J7/0077—
-
- H02J7/0091—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The embodiment of the invention provides a kind of charger and charging methods, the charger is for connecting discharge battery and rechargeable battery, including the control module being connect respectively with communication module and voltage regulator module, wherein, communication module is used to obtain the battery information of rechargeable battery and discharge battery, control module is used for according to battery information, determine the charging voltage of rechargeable battery, voltage regulator module is used for according to charging voltage, the voltage that discharge battery inputs is adjusted to charging voltage to charge to rechargeable battery, using the embodiment of the present invention, control module can determine charging voltage according to the battery information of rechargeable battery, then the voltage of input is adjusted to by charging voltage by voltage regulator module, to charge to rechargeable battery, the battery that can use remaining a small amount of electricity needs the battery to charge to charge to other, effectively The remaining capacity of battery is utilized.
Description
Technical field
The present invention relates to charging technique fields, more particularly to a kind of charger and charging method.
Background technique
With the development of unmanned air vehicle technique, unmanned plane is widely applied, for example, agriculture unmanned plane is used in agricultural
The monitoring of plant disaster, plant diaster prevention and control etc..
Currently, electronic unmanned plane is due to environmental protection, no exhaust gas does not cause farmland pollution, easily operated and maintenance, it is electronic nobody
Machine using relatively broad.However agricultural unmanned plane load-carrying is usually larger, the requirement to battery is also higher and higher, since battery holds
The flight time of the limitation of amount, agriculture unmanned plane is usually ofer short duration, when the remaining electricity of battery is less, in order to guarantee nobody
The flight safety of machine, unmanned plane stop operation to replace battery or charge the battery, and can thus generate more possess
The battery of a small amount of remaining capacity, causes the waste of electricity.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind
A kind of charger and charging method to solve the above problems.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of chargers, and the charger is for connecting electric discharge
Battery and rechargeable battery, the charger include: communication module, voltage regulator module and control module, the control module point
It is not connect with the communication module and the voltage regulator module,
The communication module is used to obtain the battery information of the rechargeable battery and the discharge battery；
The control module is used for the battery information got according to the communication module, determines filling for the rechargeable battery
Piezoelectric voltage；
The voltage regulator module is used for the charging voltage determined according to the control module, and the discharge battery is inputted
Voltage be adjusted to the charging voltage to charge to the rechargeable battery.
Optionally, the battery information includes the voltage of battery, and the control module is also used to:
Whether the voltage of the voltage and the rechargeable battery that judge the discharge battery is in predetermined voltage range；
If so, starting the charger；
If it is not, not starting the charger then.
Optionally, the charger further includes output voltage feedback module and low-pass filter,
The low-pass filter connects with the first input end of the control module and the output voltage feedback module respectively
It connects, the d. c. voltage signal of the charging voltage for determining the control module carries out low-pass filtering, obtains filtered fill
The d. c. voltage signal of piezoelectric voltage and the first input end for being input to the output voltage feedback module；
Second input terminal of the output voltage feedback module is connect with the output end of the voltage regulator module, output electricity
The output end of pressure feedback module is connect with the voltage regulator module, for acquiring the output voltage of the voltage regulator module,
And it generates and controls after being superimposed the d. c. voltage signal for the charging voltage that the output voltage of acquisition and the low-pass filter input
Signal, feeding back to the voltage regulator module by the output end of output voltage feedback module to adjust output voltage is described fill
Piezoelectric voltage.
Optionally, the output voltage feedback module includes output voltage detection sub-module, differential input voltage detection
Module and superposition biasing submodule,
The output voltage detection sub-module is used to detect the output voltage of the voltage regulator module；
The differential input voltage detection sub-module biases submodule with the output voltage detection sub-module and described be superimposed
Block connection, the output voltage for being detected according to the output voltage detection sub-module obtain differential input voltage；
Superposition biasing submodule is connect with the low-pass filter, be used for by the differential input voltage with it is described low
The d. c. voltage signal superposition of the charging voltage of bandpass filter output generates control signal and feeds back to the voltage regulator module.
Optionally, the charger further includes temperature collecting module, and the temperature collecting module and the control module connect
It connects, for acquiring the temperature value of the voltage regulator module and being sent to the control module,
The control module is also used to the temperature value according to the voltage regulator module, and/or, the communication module obtains
Temperature value to the discharge battery and the rechargeable battery determines charging current value, and the charging current value is sent to institute
Voltage regulator module is stated to adjust charging current.
Optionally, the control module is also used to:
When the temperature value of the voltage regulator module, and/or, the temperature value of the discharge battery and the rechargeable battery is big
When preset threshold, shutdown command is sent to the voltage regulator module, is stopped working with controlling the voltage regulator module.
Optionally, the control module is also used to: if from the battery information that the communication module is got, described in determination
Discharge battery is in under-voltage condition and/or the rechargeable battery is in overvoltage condition, then sends shutdown command to the voltage tune
Mould preparation block is stopped working with controlling the voltage regulator module.
Optionally, the voltage regulator module includes adjustment chip, voltage raising and reducing circuit and current sample submodule；
The voltage raising and reducing circuit include voltage input end, voltage output end, switching tube, input capacitance, output capacitance and
Inductance, the switching tube include first switch tube, the first continued flow switch pipe, second switch and the second continued flow switch pipe；
The input capacitance is connected between the anode and cathode of the voltage input end, and one end of the inductance passes through institute
It states first switch tube to connect with the anode of the voltage input end, one end connection described first of the first continued flow switch pipe is opened
One end of inductance connection described in Guan Guanyu, the other end of the first continued flow switch pipe are connect with the current sample submodule
Afterwards, it is connect by the current sample submodule with the cathode；
The output capacitance is connected between the anode and cathode of the voltage output end, and the inductance passes through described second
Continued flow switch pipe is connect with the anode of the voltage output end, and one end of the second switch connects second continued flow switch
Pipe and one end of the inductance connection pass through after the other end of the second switch is connect with the current sample submodule
The current sample submodule is connect with the cathode of the voltage output end；
The adjustment chip respectively with the control module, current sample submodule, first switch tube, the first continued flow switch
Pipe, second switch, the second continued flow switch pipe are connected with output voltage feedback module, for the control according to the output of control module
Signal processed, and/or, the control signal of output voltage feedback module feedback, and/or, the electricity of the current sample submodule acquisition
Flow valuve controls the on-off of the first switch tube, the first continued flow switch pipe, second switch and the second continued flow switch pipe, will
The input voltage of the power input is adjusted to the charging voltage and exports to the voltage output end.
Optionally, the first switch tube, the first continued flow switch pipe, second switch and the second continued flow switch pipe are parallel connection
Metal-oxide-semiconductor.
Optionally, the voltage regulator module is provided with radiator, and the radiator is adjusted with the voltage respectively
The contact of the shell of module and charger.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of charging methods, and it is public to be applied to the embodiment of the present invention
The described in any item chargers opened, the charger charge to rechargeable battery for connecting discharge battery, the charging
Method includes:
Obtain the battery information of the rechargeable battery and the discharge battery；
According to the battery information, the charging voltage of the rechargeable battery is determined；
According to the charging voltage, the charger is controlled by the voltage that the discharge battery inputs and is adjusted to the charging
Voltage is to charge to the rechargeable battery.
Optionally, the battery information includes the voltage of battery, described according to the charging voltage, controls the charging
Device by the voltage that the discharge battery inputs be adjusted to the step of charging voltage is to charge to the rechargeable battery it
Before further include:
Whether the voltage of the voltage and the rechargeable battery that judge the discharge battery is in predetermined voltage range；
If so, starting the charger；
If it is not, not starting the charger then.
Optionally, the method also includes:
Obtain the output voltage of the charger；
The output voltage is generated to control signal compared with the charging voltage；
The output voltage for adjusting the charger according to the control signal is the charging voltage.
Optionally, the step of output voltage is compared to generation control signal with charging voltage packet
It includes:
According to the output voltage, differential input voltage is generated；
The d. c. voltage signal of the charging voltage is filtered, the DC voltage letter of filtered charging voltage is obtained
Number；
The differential input voltage and the d. c. voltage signal of the charging voltage are overlapped, control signal is generated.
Optionally, the method also includes:
The temperature value of the charger is obtained, and/or, the temperature value of the discharge battery, and/or, the rechargeable battery
Temperature value；
According to the temperature value of the charger, and/or, the temperature value of the discharge battery, and/or, the rechargeable battery
Temperature value, adjust the charging current of the charger.
Optionally, the temperature value according to the charger, and/or, the temperature value of the discharge battery, and/or, institute
The temperature value for stating rechargeable battery, the step of adjusting the charging current of the charger include:
When the temperature value of the charger, and/or, the temperature value of the discharge battery, and/or, the rechargeable battery
When temperature value is greater than preset threshold, controls the charger and stop working.
Optionally, the method also includes:
When detecting that the discharge battery is in under-voltage condition and/or the rechargeable battery is in overvoltage condition, control
The charger stops working.
The embodiment of the invention discloses a kind of storage medium, the storage medium includes the program of storage, wherein described
Equipment program controls the storage medium when running where executes charging side described in any one disclosed by the embodiments of the present invention
Method.
The embodiment of the invention discloses a kind of processor, the processor is for running program, wherein described program operation
Charging method described in Shi Zhihang any one disclosed by the embodiments of the present invention.
The embodiment of the present invention includes following advantages:
The charger of the embodiment of the present invention for connecting discharge battery and rechargeable battery, including respectively with communication module and electricity
The control module of pressure adjustment module connection, wherein communication module is used to obtain the battery information of rechargeable battery and discharge battery, control
For determining the charging voltage of rechargeable battery according to battery information, voltage regulator module is used for according to charging voltage molding block, will
The voltage of discharge battery input is adjusted to charging voltage to charge to rechargeable battery, using the embodiment of the present invention, controls mould
Block can determine charging voltage according to the battery information of rechargeable battery, then be adjusted the voltage of input by voltage regulator module
It is charging voltage to charge to rechargeable battery, can use the battery of remaining a small amount of electricity to other batteries for needing to charge
It charges, efficiently utilizes the remaining capacity of battery.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the connection schematic diagram of the charger of the embodiment of the present invention, discharge battery and rechargeable battery；
Fig. 2 is a kind of one of the structural block diagram of charger of the embodiment of the present invention；
Fig. 3 is the two of the structural block diagram of a kind of charger of the embodiment of the present invention；
Fig. 4 is the three of the structural block diagram of a kind of charger of the embodiment of the present invention；
Fig. 5 is a kind of structural block diagram of the voltage regulator module of charger of the embodiment of the present invention；
Fig. 6 is the circuit diagram of voltage raising and reducing circuit in the voltage regulator module of the embodiment of the present invention；
Fig. 7 is a kind of step flow chart of charging method of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
As shown in Figure 1, the charger of the embodiment of the present invention is used to connect discharge battery and rechargeable battery, so that electric discharge electricity
It charges to rechargeable battery in pond.
Charger has voltage input end and voltage output end, and voltage input end is for connecting discharge battery, voltage output
End is for connecting rechargeable battery, specifically, voltage output end and voltage input end can be distinguished by port, i.e. voltage
Input terminal and voltage output end are separately connected discharge battery and rechargeable battery, such as voltage input port by dedicated connecting line
Taken different shapes with voltage output port or voltage input end and the connection line color difference of voltage output end etc. into
Row is distinguished, and enables a user to learn that the voltage input end that discharge battery is connected to charger, rechargeable battery are connected to charging
The voltage output end of device.
In embodiments of the present invention, discharge battery and rechargeable battery can be arbitrary two batteries, for example, discharge battery
Can be the battery of low battery, rechargeable battery can be the battery of high electricity or discharge battery to can be output voltage lower
Battery, rechargeable battery is the higher battery of output voltage, and certainly, discharge battery can be the battery of high electricity, rechargeable battery
The battery or discharge battery that can be low battery can be the higher battery of output voltage, rechargeable battery be output voltage compared with
Low battery, the embodiment of the present invention to the electricity and voltage of discharge battery and rechargeable battery with no restrictions.
As shown in Fig. 2, the charger of the embodiment of the present invention includes: communication module 2, voltage regulator module 1 and control module
3, control module 3 is connect with communication module 2 and voltage regulator module 1 respectively.
In embodiments of the present invention, communication module 2 can be connect with system communications bus, such as the voltage input of charger
Port and voltage output port can integrate system communications bus communications pins, when rechargeable battery and discharge battery and charger connect
After connecing, carry rechargeable battery and discharge battery are distinguished in system communications bus both ends, and charger can be obtained by communication module 2 to be filled
The battery information of battery and discharge battery, specifically, communication module 2 can be BMS (the battery management system of charger built-in
System, BATTERY MANAGEMENT SYSTEM), BMS can accurately estimate SOC (state-of-charge, the State of of battery
Charge), i.e. battery dump energy, can detecte the information such as voltage, the temperature of battery, it is of course also possible to be that the BMS of battery is obtained
After taking battery information, battery information is sent to by communication module 2 by system communications bus (CAN bus).
Control module 3 can be central processing unit (CPU), have logic judging function, control module 3 can be according to communication
The battery information that module 2 is got determines the charging voltage of rechargeable battery.In practical applications, rechargeable battery can be difference
The rechargeable battery of specification, the rechargeable battery of different size can have different charging voltages.
In embodiments of the present invention, storage medium or cpu cache have the battery information of the battery of various specifications, battery letter
Breath includes model, the charging voltage etc. of battery, and after the battery information for obtaining rechargeable battery, control module 3 can be according to battery
Model determine charging voltage, or be that the battery information that control module 3 directly gets communication module 2 is analyzed,
Obtain the charging voltage of rechargeable battery.
Voltage adjustment mould 1 can be the charging circuit with voltage raising and reducing function, such as can be DC-DC (DC-DC
Transformation, condirect current-direct current conversion) circuit, which can will fill
The charging voltage that the voltage of electric appliance input terminal increases or be reduced to control module 3 to determine, to charge to rechargeable battery, example
Such as, after the charging voltage that control module 3 determines rechargeable battery, discharge battery is input to charger by voltage regulator module 1
Voltage is adjusted to charging voltage, to charge to the rechargeable battery for being connected to charger voltage output end.
In the embodiment of the present invention, after communication module obtains the battery information of rechargeable battery, control module can be according to communication
The battery information that module is got determines charging voltage, and controls the electricity that discharge battery is input to charger by voltage regulator module
Pressure is adjusted to charging voltage, to charge to the rechargeable battery for being connected to charger voltage output end, the embodiment of the present invention
The discharge battery that different size may be implemented in charger charges to the rechargeable battery of different size, can use remaining a small amount of
The battery of electricity needs the battery to charge to charge to other, efficiently utilizes the remaining capacity of battery.
In embodiments of the present invention, battery information includes the voltage of battery, and control module 3 is in starting voltage regulator module 1
Before, whether the voltage of the voltage and rechargeable battery that are also used to judge discharge battery is in predetermined voltage range.
In practical applications, charger can be set the specification of itself, such as charger is according to the hardware performance of itself,
Determine its operating voltage specifications, such as the voltage of voltage input end, the voltage of voltage output end, operating temperature, power and charging
Electric current etc., above- mentioned information can be with burnings in the control module or specific storage location of charger.Getting charging electricity
After the voltage of pond and discharge battery, whether the voltage of the determining rechargeable battery of control module 3 and discharge battery is in preset voltage model
In enclosing, if so, starting voltage regulator module, does not otherwise start voltage regulator module, it can be to avoid discharge battery brownout
Guiding discharge excessive damage discharge battery or discharge battery overtension damage charger, can also be to avoid rechargeable battery
Rechargeable battery is caused to overcharge in blanking voltage.
As shown in figure 3, in a preferred embodiment of the invention, charger further includes 5 He of output voltage feedback module
Low-pass filter 4.
In practical applications, output voltage feedback module 5 is provided with first input end, the second input terminal and output end.
Second input terminal of output voltage feedback module 5 is connect with the voltage output end of voltage regulator module 1, output voltage
The output end of feedback module 5 is connect with voltage regulator module 1.
Low-pass filter 4 is connect with the first input end of control module 3 and output voltage feedback module 5 respectively.Control mould
After determining charging voltage, output voltage feedback module 5 is needed by charging voltage compared with actual output voltage block 3, generates control
Voltage regulator module 1 is fed back to after signal processed to adjust output voltage to charging voltage.The signal that control module 3 exports can be
Digital signal belongs to discrete type pulse signal, it is therefore desirable to convert digital signals into analog signal, pass through low-pass filter 4
High-frequency signal can be got rid of, the signal-to-noise ratio of useful signal is improved, reduces useless power consumption.
Specifically, the d. c. voltage signal for the charging voltage that control module 3 determines is filtered by low-pass filter 4,
Obtain the d. c. voltage signal of filtered charging voltage and the first input end of input to output voltage feedback module 5.
The output voltage of the second input terminal collection voltages adjustment module 1 of output voltage feedback module 5, and by the defeated of acquisition
The d. c. voltage signal for the charging voltage that voltage is inputted with low-pass filter 4 out generates control signal after being superimposed, pass through output electricity
The output end of pressure feedback module 5 feeds back to voltage regulator module 1 to adjust output voltage as charging voltage.
As shown in figure 4, in one preferred embodiment of the invention, output voltage feedback module 5 is examined including output voltage
Survey submodule 51, differential input voltage detection sub-module 52 and superposition biasing submodule 53.
Output voltage detection sub-module 51 is used to detect the output voltage of voltage regulator module 1, specifically, output voltage
Detection sub-module 51 can be the divider resistance being connected between the anode and cathode of the voltage output end of voltage regulator module 1,
The voltage of the divider resistance is the voltage that output voltage detection sub-module 51 detects, for example, cathode can be ground terminal, then
The voltage-to-ground of divider resistance is the voltage that output voltage detection sub-module 51 detects.
Differential input voltage detection sub-module 52 is connect with output voltage detection sub-module 51 and superposition biasing submodule 53,
Output voltage for being detected according to output voltage detection sub-module 51 obtains differential input voltage, in practical applications, defeated
The voltage that voltage detecting submodule 51 detects out there may be error, and in order to guarantee the accuracy of feedback, it is poor to use
Divide input voltage to be input in superposition biasing submodule 53 to improve signal accuracy, removes shared error interference.
Superposition biasing submodule 53 is connect with low-pass filter 4, for exporting differential input voltage and low-pass filter 4
Charging voltage d. c. voltage signal superposition generate control signal feed back to voltage regulator module 1.
In practical applications, superposition biasing submodule 53 can be operational amplifier, differential input voltage and control module 3
The direct current signal of the charging voltage of output generates control signal and feeds back to voltage regulator module after operational amplifier is overlapped
1, voltage regulator module 1 adjusts output voltage according to control signal.
As shown in figure 5, the structural block diagram of the voltage regulator module 1 for the embodiment of the present invention, voltage regulator module 1 includes adjusting
Whole chip 13, voltage raising and reducing circuit 11 and current sample submodule 12.
Wherein, voltage raising and reducing circuit 11 includes voltage input end, voltage output end, switching tube, input capacitance 116, output
Capacitor 117 and inductance 115, the switching tube include first switch tube 111, the first continued flow switch pipe 112, second switch 113
With the second continued flow switch pipe 114.
Wherein, input capacitance 116 is connected between the anode of voltage input end and cathode, and one end of inductance 115 passes through the
The anode of one switching tube 111 and voltage input end connect, one end connection first switch tube 111 of the first continued flow switch pipe 112 and
One end that inductance 115 connects after the other end is connect with current sample submodule 12, is connected by current sample submodule 12 and cathode
It connects；Output capacitance 117 is connected between the anode of voltage output end and cathode, inductance 115 by the second continued flow switch pipe 114 with
The anode connection of voltage output end, one end of second switch 113 connect what the second continued flow switch pipe 114 was connect with inductance 115
One end after the other end is connect with current sample submodule 12, is connected by the cathode of current sample submodule 12 and voltage output end
It connects.
Adjust chip 13 respectively with control module 3, current sample submodule 12, first switch tube 111, the first continued flow switch
Pipe 112, second switch 113, the second continued flow switch pipe 114 and output voltage feedback module 5 connect, for according to control module
The electric current that the control signal and current sample submodule 12 that control signal, the output voltage feedback module 5 of 3 outputs are fed back acquire
Value controls the logical of first switch tube 111, the first continued flow switch pipe 112, second switch 113 and the second continued flow switch pipe 114
It is disconnected, the duty ratio of switching tube is adjusted, the input voltage of voltage input end is adjusted to charging voltage and is exported to voltage output end.
It is illustrated in figure 6 the circuit diagram of the voltage raising and reducing circuit 11 of the embodiment of the present invention.
In Fig. 6, first switch tube 111, the first continued flow switch pipe 112, second switch 113 and the second continued flow switch pipe
114 be paralleling MOS pipe, and the efficiency of voltage raising and reducing can be improved and reduce the power consumption of switching tube, input capacitance 116 and output electricity
Hold 117 to be connected between anode and cathode, input current can be reduced and export the discontinuity of electric current, and reduces voltage line
Wave.
In voltage raising and reducing circuit, when Vin is higher than Vout, voltage raising and reducing circuit is in decompression state, second switch
113 turn off always, and the second continued flow switch pipe 114 is connected always, and in each period, the first continued flow switch pipe 112 is led first
Logical, when the conducting of the first continued flow switch pipe 112, adjustment chip 13 detects the electricity of inductance 115 by current sample submodule 12
After stream decreases below reference voltage, the first continued flow switch pipe 112 is turned off in the remaining time in the period, first switch tube
111 conductings, by the alternate conduction of first switch tube 111 and the first continued flow switch pipe 112, inductance 115 is constantly alternately realized
It accumulation of energy and releases energy, to generate the voltage for being lower than voltage input end in voltage output end, by adjusting the first continued flow switch pipe
112 make-and-break time, the duty ratio of adjustable first continued flow switch pipe 112 export different output voltages to realize, with right
The rechargeable battery of different size charges.
In voltage raising and reducing circuit, when Vout is higher than Vin, voltage raising and reducing circuit is in pressure-increasning state, first switch tube
111 are connected always, and the first continued flow switch pipe 112 turns off always, and in each period, second switch 113 is first turned on, when
When second switch 113 is connected, adjustment chip 13 detects that the electric current of inductance 115 is increased to base by current sample submodule 12
After quasi- voltage, second switch 113 is turned off in the remaining time in the period, and the conducting of the second continued flow switch pipe 114 passes through second
The alternate conduction of switching tube 113 and the second continued flow switch pipe 114, inductance 115, which constantly replaces, to be realized accumulation of energy and releases energy, with
The voltage for being higher than voltage input end is generated in voltage output end, it is adjustable by adjusting the make-and-break time of second switch 113
The duty ratio of second switch 113 is exported different output voltages to realize, is filled with the rechargeable battery to different size
Electricity.
The circuit theory of the above-mentioned voltage raising and reducing circuit that the embodiment of the present invention is described in detail, those skilled in the art may be used also
With using other voltage raising and reducing circuits, the embodiment of the present invention is without limitation.
In the embodiment of the present invention, control module can determine the charging electricity of rechargeable battery according to the battery information of rechargeable battery
Pressure, after charging voltage is sent to voltage regulator module, is opened in the adjustment chip controls voltage raising and reducing circuit of voltage regulator module
The voltage that discharge battery is input to the voltage input end of voltage raising and reducing circuit is adjusted to charging voltage and is exported by the on-off for closing pipe
To voltage output end, the discharge battery that different size may be implemented charges to the rechargeable battery of different size, can use
The battery of remaining a small amount of electricity needs the battery to charge to charge to other, efficiently utilizes the remaining capacity of battery.
Further, charger is provided with output voltage feedback module, can generate in real time feedback control signal and feed back to
The adjustment chip of voltage regulator module exports stable charging voltage to control voltage regulator module.
In another preferred embodiment of the invention, as shown in figure 3, charger further includes temperature collecting module 6, temperature is adopted
Collection module 6 is connect with control module 3, is adjusted the temperature value of module 1 for collection voltages and is sent to control module 3.
In practical applications, the power of voltage raising and reducing circuit is high, switching tube therein and adjustment chip 13 temperature compared with
Height, then temperature collecting module 6 can be the temperature sensor on switching tube or in other high power components, the temperature sensing
Device is connect with control module 3, and communication interface has can be set in adjustment chip 13 and control module 3, can be with by the communication interface
Realize that the interaction between adjustment chip 13 and control module 3, such as control module 3 send control signals to adjustment chip 13,
It adjusts chip 13 and the temperature value for adjusting chip is sent to control module 3 etc..
Control module 3 can also obtain the battery temperature value of rechargeable battery and discharge battery by communication module 2, then control
Module 3 can also according to the temperature value of voltage regulator module 1, and/or, communication module 2 gets discharge battery and rechargeable battery
Temperature value determine charging current value, and charging current value is sent to voltage regulator module 1 to adjust charging current.
Preferably, when temperature value is greater than preset threshold, shutdown command is sent to voltage regulator module 1, to control voltage
Adjustment module 1 stops working, specifically, multiple preset thresholds can be set according to the resistance to temperature value of the component of charger, such as
It is the first preset threshold that preset threshold, which is 105 DEG C, and 120 DEG C are the second preset threshold, when temperature value is greater than 105 DEG C, can be dropped
Low charging current, rises to avoid temperature or temperature rising is too fast, when temperature value is greater than 120 DEG C, in order to avoid charger
Component burn out, then send the adjustment chip 13 of shutdown command to voltage regulator module 1, adjustment 13 control switch pipe of chip is disconnected
It opens, voltage regulator module 1 stops working.
Certainly, during the charging process, the battery information that control module 3 can also be got in real time according to communication module 2, control
Charging current processed, for example, charging the initial stage can using high current carry out quick charge, close to ending phase use compared with
Low current carries out trickle charge, can use different charge modes according to battery information in this way, charge efficiency can be improved.
In embodiments of the present invention, in the battery information that control module 3 is got according to communication module, judge electric discharge electricity
Whether pond is in under-voltage condition and/or whether rechargeable battery is in overvoltage condition, adjusts if then sending shutdown command to voltage
Module is stopped working with controlling voltage regulator module, and to protect, discharge battery is in overdischarge or rechargeable battery is in charging
Excessively damage.
Voltage regulator module is additionally provided with radiator, the radiator shell with voltage regulator module and charger respectively
Contact.Specifically, can be by radiating copper sheet and thermal grease by the machine of the heat transfer of voltage regulator module to charger
Shell is transferred to extraneous to realize cooling by casing.
In the embodiment of the present invention, control module can determine the charging electricity of rechargeable battery according to the battery information of rechargeable battery
Pressure, after charging voltage is sent to voltage regulator module, is opened in the adjustment chip controls voltage raising and reducing circuit of voltage regulator module
The on-off for closing pipe, the voltage that discharge battery is input to the input terminal of voltage raising and reducing circuit is adjusted to charging voltage and is exported to defeated
Outlet, the discharge battery that different size may be implemented charge to the rechargeable battery of different size, can use remaining a small amount of
The battery of electricity needs the battery to charge to charge to other, efficiently utilizes the remaining capacity of battery.
Further, charger is provided with output voltage feedback module, can generate feedback control signal feedback electricity in real time
The adjustment chip of pressure adjustment module exports stable charging voltage to control voltage regulator module.
Further, charger is provided with temperature collecting module, can adjust charging current according to temperature collecting module,
And when temperature value is greater than preset threshold, control voltage regulator module stops working, and avoids charger high temperature from burning, ensure that
Charging safety.
Further, control module can determine the state of battery according to battery information, to protect discharge battery to be in
Overdischarge or rechargeable battery are in overcharged and damage.
As shown in fig. 7, a kind of step flow chart of charging method of the embodiment of the present invention is shown, the embodiment of the present invention
Charging method is used for charger provided in an embodiment of the present invention, and the charger carries out rechargeable battery for connecting discharge battery
Charging, the charging method include:
Step 201, the battery information of the rechargeable battery and the discharge battery is obtained.
In the embodiment of the present invention, the voltage input port of charger can integrate system bus with voltage output port and communicate
Pin, after rechargeable battery and discharge battery are connect with charger, system communications bus both ends carry rechargeable battery and are put respectively
Battery, charger can obtain the battery information of rechargeable battery and discharge battery by system communications bus, such as obtain and fill
The information such as the voltage of battery and discharge battery, remaining capacity and temperature.
Step 202, according to the battery information, the charging voltage of the rechargeable battery is determined.
In one preferred embodiment of the invention, battery information may include the voltage of battery, obtain rechargeable battery
After the voltage of discharge battery, whether the voltage of the voltage and rechargeable battery that first judge discharge battery is in predetermined voltage range；
If so, starting charger；If it is not, do not start charger then, specifically, charger can according to hardware performance itself,
Determine its specifications parameter, such as the voltage of voltage input end, the voltage of voltage output end, operating temperature, power and charging current
Deng.If the voltage of rechargeable battery and discharge battery starts voltage regulator module, does not otherwise start in preset voltage range
Voltage regulator module, can be to avoid discharge battery brownout guiding discharge excessive damage discharge battery or discharge battery electricity
High damage charger is pressed through, blanking voltage state can also be in avoid rechargeable battery, rechargeable battery is caused to overcharge.
In embodiments of the present invention, the storage medium of charger or cpu cache have the battery of the battery of various specifications to believe
Breath, battery information include that the model of battery, charging voltage etc. can be according to batteries after the battery information for obtaining rechargeable battery
Model determine charging voltage, or be directly to analyze battery information, obtain the charging voltage of rechargeable battery.
Step 203, it according to the charging voltage, controls the charger and is adjusted to the voltage that the discharge battery inputs
The charging voltage is to charge to the rechargeable battery.
The charging circuit of voltage raising and reducing function can be set in charger internal, and voltage raising and reducing circuit can be by charger electricity
The voltage of pressure input terminal increases or is reduced to charging voltage, to charge to rechargeable battery.
As shown in Fig. 2, voltage regulator module 1 will after the control module 3 of charger determines the charging voltage of rechargeable battery
The voltage that discharge battery is input to charger voltage input terminal is adjusted to charging voltage, with to being connected to charger voltage output end
Rechargeable battery charge.
In the embodiment of the present invention, after the battery information for obtaining rechargeable battery, charging electricity can be determined according to battery information
Pressure, and control charger and the voltage that discharge battery is input to charger voltage input terminal is adjusted to charging voltage, to connection
Rechargeable battery to charger output end charges, and the electric discharge electricity of different size may be implemented in the charger of the embodiment of the present invention
Pond charges to the rechargeable battery of different size, can use the battery of remaining a small amount of electricity to other batteries for needing to charge
It charges, efficiently utilizes the remaining capacity of battery.
In one preferred embodiment of the invention, the method for the charging further include:
Step 204, the output voltage of the charger is obtained.
In practical applications, it can be provided with divider resistance between the anode and cathode of the voltage output end of charger,
The output voltage of charger can be detected by the divider resistance.
Step 205, the output voltage is generated to control signal compared with the charging voltage.
In one preferred embodiment of the invention, step 205 may include following sub-step:
Sub-step S11 generates differential input voltage according to the output voltage.
As shown in figure 4, the charger of the embodiment of the present invention is provided with output voltage feedback module, output voltage feedback module
Including output voltage detection sub-module 51, differential input voltage detection sub-module 52 and superposition biasing submodule 53.
Wherein, output voltage detection sub-module 51 is used to detect the output voltage of voltage regulator module 1, meanwhile, in order to keep away
Error caused by test free output voltage, differential input voltage detection sub-module 52 obtain differential input voltage according to output voltage
To guarantee the accuracy of feedback, remove shared error interference.
The d. c. voltage signal of the charging voltage is filtered by sub-step S12, obtains filtered charging voltage
D. c. voltage signal.
As shown in figure 4, the signal that control module 3 exports can be digital signal, belong to discrete type pulse signal, therefore need
Analog signal is converted digital signals into, high-frequency signal can be got rid of by low-pass filter 4, improve the letter of useful signal
It makes an uproar and compares, reduce useless power consumption, finally obtain the d. c. voltage signal of filtered charging voltage.
The differential input voltage and the d. c. voltage signal of the charging voltage are overlapped by sub-step S13, are generated
Control signal.
It in embodiments of the present invention, can be by operational amplifier to the DC voltage of differential input voltage and charging voltage
Signal is overlapped.
As shown in figure 4, output voltage feedback module 5 is provided with superposition biasing submodule 53, superposition biasing submodule 53 can
To be operational amplifier, the direct current signal for the filtered charging voltage that differential input voltage and control module 3 export is through operation
After amplifier is overlapped, generates control signal and feed back to voltage regulator module 1.
Step 206, the output voltage for adjusting the charger according to the control signal is the charging voltage.
In the embodiment of the present invention, voltage raising and reducing circuit has been can be set in charger, as shown in figure 5, voltage raising and reducing circuit 11
Include including voltage input end, voltage output end, switching tube, input capacitance 116, output capacitance 117 and inductance 115, switching tube
First switch tube 111, the first continued flow switch pipe 112, second switch 113 and the second continued flow switch pipe 114.
Adjust chip 13 respectively with control module 3, current sample submodule 12, first switch tube 111, the first continued flow switch
Pipe 112, second switch 113, the second continued flow switch pipe 114 and output voltage feedback module 5 connect, for according to control module
The electric current that the control signal and current sample submodule 12 that control signal, the output voltage feedback module 5 of 3 outputs are fed back acquire
Value controls the logical of first switch tube 111, the first continued flow switch pipe 112, second switch 113 and the second continued flow switch pipe 114
It is disconnected, the duty ratio of switching tube is adjusted, the input voltage of voltage input end is adjusted to charging voltage and is exported to voltage output end.
In the embodiment of the present invention, feedback control signal can be generated in real time according to output voltage, then according to control signal
Control charger exports stable charging voltage, ensure that the stability of output voltage in charging process.
In one preferred embodiment of the invention, the charging method further include:
The temperature value of the charger is obtained, and/or, the temperature value of the discharge battery, and/or, the rechargeable battery
Temperature value；According to the temperature value of the charger, and/or, the temperature value of the discharge battery, and/or, the rechargeable battery
Temperature value, adjust the charging current of the charger.
In embodiments of the present invention, the power of charger is high, in order to avoid charger is due to the high generation high temperature of power
Device failure is caused, charging current can be adjusted according to the temperature of charger, it is excessively high to inhibit temperature to rise too fast or temperature.
Specifically, as shown in figure 3, charger further includes temperature collecting module 6, temperature collecting module 6 and control module 3
Connection adjusts the temperature value of module 1 for collection voltages and is sent to control module 3, by control module 3 according to preset adjustment
Rule adjustment charging current, such as control module 3 adjust charging current according to preset temperature and current curve.
Certainly, charger can also obtain the battery temperature of rechargeable battery and discharge battery, root by system communications bus
Charging current is adjusted according to battery temperature.
In one preferred embodiment of the invention, when temperature value is greater than preset threshold, control charger stops working.
For example, sending shutdown command to voltage regulator module 1, to control voltage tune when temperature value is greater than preset threshold
Mould preparation block 1 stops working, specifically, multiple preset thresholds can be arranged according to the resistance to temperature value of the component of charger, such as in advance
If it is the first preset threshold that threshold value, which is 105 DEG C, 120 DEG C are the second preset threshold, when temperature value is greater than 105 DEG C, can be reduced
Charging current, rises to avoid temperature or temperature rising is too fast, when temperature value is greater than 120 DEG C, in order to avoid charger
Component is burnt out, then sends the adjustment chip 13 of shutdown command to voltage regulator module 1, and adjustment 13 control switch pipe of chip disconnects,
Voltage regulator module 1 stops working.
It is, of course, also possible to control charging current, such as can in the charging initial stage according to the battery information got in real time
To carry out quick charge using high current, trickle charge is being carried out using smaller current close to ending phase, it in this way can basis
Battery information uses different charge modes, and charge efficiency can be improved.
In one preferred embodiment of the invention, the charging method further include: when detecting at the discharge battery
When under-voltage condition and/or the rechargeable battery are in overvoltage condition, control the charger and stop working.
Specifically, can according in the battery information got, determine discharge battery whether be in under-voltage condition and/or
Whether rechargeable battery is in overvoltage condition, if then sending shutdown command to voltage regulator module, to control voltage regulator module
It stops working, to protect, discharge battery is in overdischarge or rechargeable battery is in overcharged and damages.
In the embodiment of the present invention, after the battery information for obtaining rechargeable battery, charging electricity can be determined according to battery information
Pressure, and control charger and the voltage that discharge battery is input to charger voltage input terminal is adjusted to charging voltage, to connection
Rechargeable battery to charger output end charges, and the electric discharge electricity of different size may be implemented in the charger of the embodiment of the present invention
Pond charges to the rechargeable battery of different size, can use the battery of remaining a small amount of electricity to other batteries for needing to charge
It charges, efficiently utilizes the remaining capacity of battery.
It is possible to further generate feedback control signal in real time according to output voltage, then according to feedback control signal control
Charger processed exports stable charging voltage, ensure that the stability of charging process.
Further, charging current can be adjusted by the temperature value of charger and/or the temperature value of battery, and
When temperature value is greater than preset threshold, control charger stops working, and charger high temperature is avoided to burn, and ensure that charging safety.
Further, the state of battery can be determined according to battery information, with protect discharge battery be in overdischarge or
Person's rechargeable battery is in overcharged and damages.
The embodiment of the invention also provides a kind of storage medium, the storage medium includes the program of storage, wherein in institute
Equipment where controlling the storage medium when stating program operation executes charging method provided in an embodiment of the present invention.
The embodiment of the invention also provides a kind of processor, the processor is for running program, wherein described program fortune
Charging method provided in an embodiment of the present invention is executed when row.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of charger provided by the present invention and charging method, it is described in detail, it is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand originally
The method and its core concept of invention；At the same time, for those skilled in the art, according to the thought of the present invention, specific
There will be changes in embodiment and application range, in conclusion the content of the present specification should not be construed as to of the invention
Limitation.
Claims (19)
1. a kind of charger, which is characterized in that the charger is for connecting discharge battery and rechargeable battery, the charger packet
Include: communication module, voltage regulator module and control module, the control module respectively with the communication module and the voltage tune
The connection of mould preparation block,
The communication module is used to obtain the battery information of the rechargeable battery and the discharge battery；
The control module is used for the battery information got according to the communication module, determines the charging electricity of the rechargeable battery
Pressure；
The voltage regulator module is used for the charging voltage determined according to the control module, the electricity that the discharge battery is inputted
Pressure is adjusted to the charging voltage to charge to the rechargeable battery.
2. charger according to claim 1, which is characterized in that the battery information includes the voltage of battery, the control
Molding block is also used to:
Whether the voltage of the voltage and the rechargeable battery that judge the discharge battery is in predetermined voltage range；
If so, starting the charger；
If it is not, not starting the charger then.
3. charger according to claim 1, which is characterized in that the charger further include output voltage feedback module and
Low-pass filter,
The low-pass filter is connect with the first input end of the control module and the output voltage feedback module respectively, is used
Low-pass filtering is carried out in the d. c. voltage signal for the charging voltage for determining the control module, obtains filtered charging voltage
D. c. voltage signal and be input to the first input end of the output voltage feedback module；
Second input terminal of the output voltage feedback module is connect with the output end of the voltage regulator module, and output voltage is anti-
The output end of feedback module is connect with the voltage regulator module, for acquiring the output voltage of the voltage regulator module, and will
The d. c. voltage signal for the charging voltage that the output voltage of acquisition is inputted with the low-pass filter generates control signal after being superimposed,
Feeding back to the voltage regulator module by the output end of output voltage feedback module to adjust output voltage is the charging electricity
Pressure.
4. charger according to claim 3, which is characterized in that the output voltage feedback module includes output voltage inspection
Submodule, differential input voltage detection sub-module and superposition biasing submodule are surveyed,
The output voltage detection sub-module is used to detect the output voltage of the voltage regulator module；
The differential input voltage detection sub-module connects with the output voltage detection sub-module and the biasing submodule that is superimposed
It connects, the output voltage for being detected according to the output voltage detection sub-module obtains differential input voltage；
The superposition biasing submodule is connect with the low-pass filter, is used for the differential input voltage and the low pass filtered
The d. c. voltage signal superposition of the charging voltage of wave device output generates control signal and feeds back to the voltage regulator module.
5. charger according to claim 1, which is characterized in that the charger further includes temperature collecting module, described
Temperature collecting module is connect with the control module, for acquiring the temperature value of the voltage regulator module and being sent to the control
Molding block,
The control module is also used to the temperature value according to the voltage regulator module, and/or, the communication module gets institute
The temperature value for stating discharge battery and the rechargeable battery determines charging current value, and the charging current value is sent to the electricity
Pressure adjustment module is to adjust charging current.
6. charger according to claim 5, which is characterized in that the control module is also used to:
When the temperature value of the voltage regulator module, and/or, the temperature value of the discharge battery and the rechargeable battery is greater than pre-
If when threshold value, sending shutdown command to the voltage regulator module, being stopped working with controlling the voltage regulator module.
7. charger according to claim 1, which is characterized in that the control module is also used to: if from the communication mould
In the battery information that block is got, determine that the discharge battery is in under-voltage condition and/or the rechargeable battery is in over-voltage shape
State then sends shutdown command to the voltage regulator module, is stopped working with controlling the voltage regulator module.
8. charger according to any one of claims 1 to 7, which is characterized in that the voltage regulator module includes adjustment
Chip, voltage raising and reducing circuit and current sample submodule,
The voltage raising and reducing circuit includes voltage input end, voltage output end, switching tube, input capacitance, output capacitance and inductance,
The switching tube includes first switch tube, the first continued flow switch pipe, second switch and the second continued flow switch pipe；
The input capacitance is connected between the anode and cathode of the voltage input end, and one end of the inductance passes through described the
One switching tube is connect with the anode of the voltage input end, and one end of the first continued flow switch pipe connects the first switch tube
With one end of the inductance connection, after the other end of the first continued flow switch pipe is connect with the current sample submodule, lead to
The current sample submodule is crossed to connect with the cathode；
The output capacitance is connected between the anode and cathode of the voltage output end, and the inductance passes through second afterflow
The anode of switching tube and the voltage output end connect, one end of the second switch connect the second continued flow switch pipe with
One end of the inductance connection, after the other end of the second switch is connect with the current sample submodule, by described
Current sample submodule is connect with the cathode of the voltage output end；
The adjustment chip respectively with the control module, current sample submodule, first switch tube, the first continued flow switch pipe,
Second switch, the second continued flow switch pipe are connected with output voltage feedback module, for the control according to the output of control module
Signal, and/or, the control signal of output voltage feedback module feedback, and/or, the electric current of the current sample submodule acquisition
Value, controls the on-off of the first switch tube, the first continued flow switch pipe, second switch and the second continued flow switch pipe, by institute
The input voltage for stating power input is adjusted to the charging voltage and exports to the voltage output end.
9. charger according to claim 8, which is characterized in that the first switch tube, the first continued flow switch pipe, second
Switching tube and the second continued flow switch pipe are paralleling MOS pipe.
10. charger according to claim 8, which is characterized in that the voltage regulator module is provided with radiator, institute
Radiator is stated to contact with the shell of the voltage regulator module and charger respectively.
11. a kind of charging method, which is characterized in that it is applied to charger as described in any one of claim 1 to 10, it is described to fill
Electric appliance charges to rechargeable battery for connecting discharge battery, and the charging method includes:
Obtain the battery information of the rechargeable battery and the discharge battery；
According to the battery information, the charging voltage of the rechargeable battery is determined；
According to the charging voltage, the charger is controlled by the voltage that the discharge battery inputs and is adjusted to the charging voltage
To charge to the rechargeable battery.
12. charging method according to claim 11, which is characterized in that the battery information includes the voltage of battery,
It is described according to the charging voltage, control the charger for the voltage that the discharge battery inputs and be adjusted to the charging voltage
Before the step of charging to the rechargeable battery further include:
Whether the voltage of the voltage and the rechargeable battery that judge the discharge battery is in predetermined voltage range；
If so, starting the charger；
If it is not, not starting the charger then.
13. charging method according to claim 11, which is characterized in that the method also includes:
Obtain the output voltage of the charger；
The output voltage is generated to control signal compared with the charging voltage；
The output voltage for adjusting the charger according to the control signal is the charging voltage.
14. charging method according to claim 13, which is characterized in that described by the output voltage and charging electricity
Pressure be compared generation control signal the step of include:
According to the output voltage, differential input voltage is generated；
The d. c. voltage signal of the charging voltage is filtered, the d. c. voltage signal of filtered charging voltage is obtained；
The differential input voltage and the d. c. voltage signal of the charging voltage are overlapped, control signal is generated.
15. charging method according to claim 11, which is characterized in that the method also includes:
The temperature value of the charger is obtained, and/or, the temperature value of the discharge battery, and/or, the temperature of the rechargeable battery
Angle value；
According to the temperature value of the charger, and/or, the temperature value of the discharge battery, and/or, the temperature of the rechargeable battery
Angle value adjusts the charging current of the charger.
16. charging method according to claim 15, which is characterized in that the temperature value according to the charger, and/
Or, the temperature value of the discharge battery, and/or, the temperature value of the rechargeable battery adjusts the charging current of the charger
Step includes:
When the temperature value of the charger, and/or, the temperature value of the discharge battery, and/or, the temperature of the rechargeable battery
When value is greater than preset threshold, controls the charger and stop working.
17. charging method according to claim 11, which is characterized in that the method also includes:
When detecting that the discharge battery is in under-voltage condition, and/or, when the rechargeable battery is in overvoltage condition, control institute
Charger is stated to stop working.
18. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program
When control the storage medium where equipment perform claim require charging method described in any one of 11-17.
19. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Benefit requires charging method described in any one of 11-17.
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| CN110504728A (en) * | 2019-08-28 | 2019-11-26 | 深圳市圭石南方科技发展有限公司 | A battery charging system, method, device, computer equipment and storage medium |
| CN110596605A (en) * | 2019-09-27 | 2019-12-20 | 新誉轨道交通科技有限公司 | Train and over-voltage and under-voltage detection device for train storage battery charging |
| CN110932370A (en) * | 2019-12-18 | 2020-03-27 | 广东工业大学 | Intelligent charging remote controller |
| CN113141036A (en) * | 2021-04-15 | 2021-07-20 | 深圳市索源科技有限公司 | Electric tool charger and assembly thereof |
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| CN117811364B (en) * | 2024-03-01 | 2024-06-11 | 深圳麦格米特电气股份有限公司 | Voltage holding circuit and method, power supply circuit and electronic equipment |
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