CN209200719U - A kind of rechargeable battery - Google Patents
A kind of rechargeable battery Download PDFInfo
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- CN209200719U CN209200719U CN201822241281.6U CN201822241281U CN209200719U CN 209200719 U CN209200719 U CN 209200719U CN 201822241281 U CN201822241281 U CN 201822241281U CN 209200719 U CN209200719 U CN 209200719U
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- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- 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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Abstract
The utility model relates to electronic apparatus technical fields, a kind of rechargeable battery is disclosed, the rechargeable battery includes charging controller, battery core and three end charging interfaces, wherein, charging controller includes DC-DC DC/DC circuit and MPPT maximum power point tracking MPPT controller, the first charging interface and the second charging interface of three end charging interfaces are electrically connected with the input terminal of DC/DC circuit, the output end of DC/DC circuit is electrically connected with the first end of battery core, the third charging interface of three end charging interfaces is electrically connected with the second end of battery core, the input terminal of MPPT controller is electrically connected with the second charging interface, the output end of MPPT controller is electrically connected with DC/DC circuit.The problem of charging modes that above-mentioned technical proposal solves electrical equipment in the prior art are single, and the power supply source compatible with the rechargeable battery of electrical equipment is not outdoor or field work electrical equipment charging.
Description
Technical field
The utility model relates to electronic apparatus technical field more particularly to a kind of rechargeable batteries.
Background technique
People use some electrical equipments such as unmanned boat, unmanned plane, electric outboard motor, instrument, instrument in outdoor or field
Etc. equipment carry out long working when, usually because electrical equipment charging modes it is single, it is not compatible with rechargeable battery
Power supply source plugs in the rechargeable battery of the electrical equipment of operation and equipment is caused to stop working, to the normal of people
Operation brings inconvenience.
Utility model content
The utility model embodiment is designed to provide a kind of rechargeable battery, it is intended to solve electricity consumption in the prior art and set
Standby charging modes are single, and the power supply source compatible with the rechargeable battery of electrical equipment is not outdoor or field work electricity consumption
The problem of equipment charge.
In order to achieve the above object, the utility model uses following technical scheme:
The utility model embodiment provides a kind of rechargeable battery, including charging controller, battery core and the charging of three ends
Interface, wherein the charging controller includes DC-DC DC/DC circuit and MPPT maximum power point tracking MPPT controller, institute
The first charging interface and the second charging interface for stating three end charging interfaces are electrically connected with the input terminal of the DC/DC circuit, institute
The output end for stating DC/DC circuit is electrically connected with the first end of the battery core, the third charging interface of three end charging interface with
The second end of the battery core is electrically connected, and the input terminal of the MPPT controller is electrically connected with second charging interface, described
The output end of MPPT controller is electrically connected with the DC/DC circuit.
The utility model has the following beneficial effects: a kind of rechargeable battery provided by the embodiment of the utility model, compatible AC-3-DC
AC-DC power supply, battery and three kinds of solar panel can be used in three kinds of power supply, battery and solar panel charging modes
Charging modes are load supplying by the rechargeable battery, and the charging modes for solving electrical equipment in the prior art are single, do not have
There is the problem of power supply source compatible with the rechargeable battery of electrical equipment is outdoor or field work electrical equipment charging, for
Same rechargeable battery increases user to the selectivity of charging modes, and user-friendly any with the rechargeable battery
Compatible power supply source is power supply for electrical equipment.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of rechargeable battery provided by the embodiment of the utility model；
Fig. 2 is a kind of electrical block diagram of rechargeable battery provided by the embodiment of the utility model；
Fig. 3 is the electrical block diagram of another rechargeable battery provided by the embodiment of the utility model；
Fig. 4 is the electrical block diagram of another rechargeable battery provided by the embodiment of the utility model；
Fig. 5 is the structural block diagram of another rechargeable battery provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.In addition it should be noted that
, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 1 is a kind of structural block diagram of rechargeable battery provided by the embodiment of the utility model, referring to Fig. 1, this embodiment party
Formula provides a kind of rechargeable battery, which includes charging controller 1, battery core 2 and three end charging interfaces 3,
In, charging controller 1 includes DC-DC DC/DC circuit 11 and MPPT maximum power point tracking MPPT controller 12, the charging of three ends
The the first charging interface A and the second charging interface B of interface 3 are electrically connected with the input terminal of DC/DC circuit 11, DC/DC circuit 11
Output end be electrically connected with the first end of battery core 2, the second end electricity of the third charging interface C of three end charging interfaces 3 and battery core 2
Connection, the input terminal of MPPT controller 12 are electrically connected with the second charging interface B, output end and the DC/DC electricity of MPPT controller 12
Road 11 is electrically connected.
In the present embodiment, the first charging interface A is used for the anode electricity with AC/DC power supply or other DC power supplies (battery)
Connection, AC/DC power supply or other DC power supplies (battery) export DC voltage to DC/DC circuit 11 by the first charging interface A
And electric current, the output voltage good according to the voltage and systemic presupposition of input of DC/DC circuit 11, it is defeated to adjust its internal PWM generator
The frequency and duty ratio of pwm signal out are to control the voltage of the output end of DC/DC circuit 11, to charge to battery core 2；
Second charging interface B is used for and solar panel, wind-driven generator, thermoelectric generator, biomass power generation machine, hand power
The anode electrical connection of machine or fuel cell, illustratively, MPPT controller 12 acquire solar panel and export to the second charging
The input current information and input voltage information of interface B, and tracking input current information and defeated is passed through based on MPPT control algolithm
Enter information of voltage and determine solar panel maximum output power point, and to 11 output pulse width modulated signal of DC/DC circuit
To adjust solar panel to the input of DC/DC circuit 11 as maximum power, that is, adjusts the output of DC/DC circuit 11 and change
Become power supply source (solar panel) and load the impedance of (DC/DC circuit 11), so that solar panel is to rechargeable battery
It is charged using peak power output；Third charging interface C is used for and AC/DC power supply, other DC power supplies (battery), the sun
Can solar panel, wind-driven generator, thermoelectric generator, biomass power generation machine, hand generator or fuel cell cathode be electrically connected
It connects.It is possible thereby to select charging modes suitably compatible with rechargeable battery according to actual scene.
Illustratively, AC/DC power supply is possessed when operation indoors or tested in field, monitored, scientific research etc. is made
In the case where possessing other dc-batteries when industry, the electrical equipment of the rechargeable battery with the present embodiment of operation needs to charge
When, the anode of AC/DC power supply or other dc-batteries can be connected on the first charging interface A of rechargeable battery, by AC/DC
The cathode of power supply or other dc-batteries is connected on the third charging interface C of rechargeable battery, by AC/DC power supply or other
Dc-battery power supply realize charges to electrical equipment, at this time the input voltage of the first charging interface A of rechargeable battery and
Electric current only passes through DC/DC circuit 11.When tested, monitored in field, scientific research operation when possess solar panel the case where
Under, when the electrical equipment of operation needs to charge, the anode of solar panel can be connected to the second charging of rechargeable battery
On interface B, the cathode of solar panel is connected on the third charging interface C of rechargeable battery, comes from solar-electricity at this time
The output voltage and electric current of pond plate pass through DC/DC circuit 11, at the same MPPT controller to the output voltage of solar panel and
Electric current is sampled, and the output of pulse width modulating signal control DC/DC circuit 11 is generated, and makes solar panel with maximum hair
Electrical power is output to DC/DC circuit 11, realizes the charging to battery core.
To sum up, in the present embodiment, there is the charging circuit of MPPT controller 12 by designing, realize the electricity consumption of operation
Equipment can select charging modes suitably compatible with rechargeable battery when needing to charge for different working scenes, not only
The charging modes for solving electrical equipment in the prior art are single, and the power supply source compatible with rechargeable battery is not outdoor or wild
The problem of electrical equipment charging of outer operation, for same rechargeable battery, user is increased to the selectivity of charging modes, and
User-friendly any power supply source compatible with the rechargeable battery is load supplying.
In above-mentioned technical proposal, MPPT controller includes the first signal sampling unit and microprocessor, the first signal sampling
The first end of unit is electrically connected with the second charging interface, the second end of the first signal sampling unit and an input terminal of microprocessor
Electrical connection, an output end of microprocessor are electrically connected with DC/DC circuit；First signal sampling unit is for acquiring through the second charging
The voltage signal and current signal of interface input, and sampled signal is exported to microprocessor, microprocessor is used to be believed according to sampling
Number output is to the control signal of DC/DC circuit.In the present embodiment, microprocessor has analog-to-digital conversion module, the first signal sampling
Unit exports analog sampling signal to microprocessor, and analog sampling signal is converted into counting by microprocessor by analog-to-digital conversion module
Word sampled signal, and according to digital sampled signal output to the control signal (pulse width modulating signal) of DC/DC circuit.
Optionally, above-mentioned DC/DC circuit further includes DC/DC controller and second signal sampling unit；The one of microprocessor
Output end is electrically connected with DC/DC controller, and the first end of second signal sampling unit is electrically connected with the output end of DC/DC circuit,
The second end of second signal sampling unit is electrically connected with DC/DC controller, and second signal sampling unit is for acquiring DC/DC circuit
Output voltage signal, and feed back to DC/DC controller.Wherein, the control that DC/DC controller can be inputted according to microprocessor
Signal controls the output of DC/DC circuit constant current constant voltage, while the output of the DC/DC circuit according to second signal sampling unit feedback
Voltage signal, the pulse width modulating signal for adjusting its internal PWM signal generator output are kept constant with controlling output voltage.
In the present embodiment, second signal sampling unit may include voltage acquisition module, acquire the output electricity of DC/DC circuit
Press signal.Specifically, second signal sampling unit can be the combination of the elements such as divider and temperature sensor, wherein partial pressure
Device is used for voltage sample, and temperature sensor is used for temperature detection, and voltage sample is acquired the information of voltage of output to battery core,
And the information of voltage of acquisition is fed back to DC/DC controller.While voltage sample, reaches and output voltage detected
Purpose avoids battery core and overcharges, effective protection rechargeable battery；Temperature detection is mainly battery core both ends when charging to battery core
Temperature is detected, and the excessively high damage rechargeable battery of temperature is prevented.
Optionally, with reference to Fig. 1, rechargeable battery further includes the first transistor D1 and second transistor D2, the first transistor
D1 is set between the input terminal of the first charging interface A and DC/DC circuit 11, and second transistor D2 is set to MPPT controller 12
Output end and DC/DC circuit 11 input terminal between, the first transistor D1 and second transistor D2 are for preventing electric current backflow.
Optionally, above-mentioned the first transistor D1 and second transistor D2 can for diode (as shown in Figure 1), triode,
Any one of thyristor, metal-oxide half field effect transistor and insulated gate bipolar transistor.
Specifically, the utility model provides following multiple specific examples, to describe the technical solution of the utility model.
Illustratively, Fig. 2 is a kind of electrical block diagram of rechargeable battery provided by the embodiment of the utility model.Such as
Shown in Fig. 2, the DC/DC circuit 11 in figure is DC/DC reduction voltage circuit.The DC/DC circuit 11 includes DC/DC controller 111, MOS
Driving chip 112, the first metal-oxide-semiconductor Q1 (high-order MOS pipe), the second metal-oxide-semiconductor Q2 (low level metal-oxide-semiconductor), inductance L, freewheeling diode
D3, output capacitance C and second signal sampling unit 114.Wherein, DC/DC controller 111 is connect with MOS driving chip 112, is used
In providing MOS driving signal for MOS driving chip 112；MOS driving chip 112 and the first metal-oxide-semiconductor Q1's and the second metal-oxide-semiconductor Q2
Grid connection, for controlling turn-on time and the turn-off time of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2；First metal-oxide-semiconductor Q1's
Drain electrode is electrically connected with the input terminal of DC/DC circuit 11, the drain electrode of the source electrode of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2, inductance L
First end and sustained diode 3 cathode electrical connection；The second end of inductance L and the first end of output capacitance C and battery core 2
First end electrical connection, source electrode and the anode of sustained diode 3, the second end of output capacitance C and the battery core 2 of the second metal-oxide-semiconductor Q2
Second end electrical connection.The first end of second signal sampling unit 114 is electrically connected with the output end of DC/DC circuit 11, second signal
The second end of sampling unit 114 is electrically connected with DC/DC controller 111, and second signal sampling unit 114 is for acquiring DC/DC electricity
The output voltage signal on road 11, and feed back to DC/DC controller 111.
In the technical program, when AC/DC power supply or other dc-batteries the first charging interface A of access, AC/DC electricity
Source or other dc-batteries can power for DC/DC controller 111 and MOS driving chip 112, and be the first metal-oxide-semiconductor Q1 and the
Two metal-oxide-semiconductor Q2 provide conduction voltage drop, and DC/DC controller 111 passes through the MOS that the PWM signal generator being internally integrated adjusts output
The frequency and duty ratio of pipe driving signal, and send metal-oxide-semiconductor driving signal to the first MOS driving chip 112, the first MOS drives
Dynamic chip 112 handles the metal-oxide-semiconductor driving signal received, then respectively to the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2
Gate drive signal is exported, thus turn-on time and the turn-off time of control the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2, through first
The voltage signal of metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 output obtains the voltage for meeting 2 Charging Specification of battery core after voltage regulation filtering.
The energy-storage travelling wave tube of inductance L and output capacitance C as DC/DC circuit 11, in the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2
During conducting shutdown, it is also easy to produce ripple voltage in DC/DC circuit 11, DC/DC circuit 11 can be made to keep output steady using inductance L
Fixed voltage, and output capacitance C then plays the role of smooth output voltage waveform.
Illustratively, second signal sampling unit 114 may include voltage acquisition module, acquire the defeated of DC/DC circuit 11
Voltage signal out.Specifically, second signal sampling unit 114 can be the combination of the elements such as divider and temperature sensor,
In, divider is used for voltage sample, and temperature sensor is used for temperature detection, information of voltage of the voltage sample to output to battery core 2
It is acquired, and the information of voltage of acquisition is fed back to DC/DC controller 111, inside is adjusted by DC/DC controller 111
The frequency and duty ratio of the metal-oxide-semiconductor driving signal of PWM signal generator output are kept constant with controlling output voltage, in voltage
While sampling, achieve the purpose that detect output voltage, avoids battery core 2 and overcharge, effective protection rechargeable battery；Temperature
The temperature at 2 both ends of battery core when degree detection mainly charges to battery core 2 detects, and prevents the excessively high chargeable electricity of damage of temperature
Pond.
The power input of DC/DC controller 111 and the power input of MOS driving chip 112 charge with first
Interface A electrical connection, AC/DC power supply or battery are that DC/DC controller 111 and MOS driving chip 112 are powered as power supply source.
Optionally, in the present embodiment, MPPT controller 12 includes microprocessor 121 and the first signal sampling unit 122；Its
In, the anode of the first transistor D1 (diode) is connect with the first charging interface A, cathode and the DC/DC electricity of the first transistor D1
The input terminal on road 11 is electrically connected, the anode of second transistor D2 (diode) and the second charging interface B electrical connection, second transistor
The cathode of D2 is electrically connected with the first end of the input terminal of DC/DC circuit 11 and the first signal sampling unit 122, and the first signal is adopted
The second end of sample unit 122 is electrically connected with microprocessor 121, and the first signal sampling unit 122 is for acquiring the second charging of access
The input voltage signal and input current signal of interface B, and feed back to microprocessor 121；DC/DC controller 111 and micro process
Device 121 is electrically connected, and microprocessor 121 is used to determine the second charging of access by tracking input voltage signal and input current signal
The maximum output power point of the power supply source of interface B, and communicated to DC/DC controller 111, DC/DC controller 111 is adjusted to MOS
The duty ratio of 112 output pulse width modulated signal of driving chip, fills DC/DC circuit according under different conditions second
The voltage of the peak power output of the power supply source of electrical interface B, to maintain the voltage between the first end of battery core 2 and second end opposite
Stablize.Wherein, access the second charging interface B power supply source can for solar panel, wind-driven generator, thermoelectric generator,
The unstable power supply such as biomass power generation machine, hand generator or fuel cell.
Similar, when solar panel accesses the second charging interface B, solar panel can be DC/DC controller
111 and MOS driving chip 112 is powered, and provides conduction voltage drop for the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2, and the first signal is adopted
Sample unit 122 may include current acquisition module and voltage acquisition module, at this point, current acquisition module and voltage acquisition module point
The input current information and input voltage information of solar panel access rechargeable battery Fu Ze not be acquired, and to microprocessor
121 transmit input current information and input voltage information, and microprocessor 121 is internally integrated MPPT algorithm module in the present embodiment,
Solar panel maximum output power point can be determined by tracking input current information and input voltage information, and adjust
DC/DC controller makes the output voltage of solar panel to the duty ratio of MOS driving chip output pulse width modulated signal
Close to maximum power point, so that solar panel is rechargeable battery charging using peak power output.The second charging of access
For the input voltage and input current of interface B after inputting DC/DC circuit 11, DC/DC controller 111 passes through the PWM being internally integrated
Signal generator adjusts the frequency and duty ratio of the MOS pipe driving signal of output, and sends metal-oxide-semiconductor driving signal to first
MOS driving chip 112, the first MOS driving chip 112 handle the metal-oxide-semiconductor driving signal received, then respectively to
First metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 exports gate drive signal, thus control the first MOS pipe Q1 and the second metal-oxide-semiconductor Q2
Turn-on time and turn-off time, the voltage signal exported through the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 obtain after voltage regulation filtering
Meet the voltage and current of 2 Charging Specification of battery core.Likewise, second signal sampling unit 114 is defeated by the DC/DC circuit 11 of acquisition
Output voltage information out is fed back to DC/DC controller 111, adjusts internal PWM signal generator by DC/DC controller 111
The frequency and duty ratio of the metal-oxide-semiconductor driving signal of output are kept constant with controlling output voltage, during voltage sample, are reached
To the purpose that output voltage is detected, avoids battery core 2 and overcharge, effective protection rechargeable battery.
In addition, additionally providing a kind of DC/DC booster circuit in another embodiment of the utility model.Specifically, such as Fig. 3 institute
Show, the circuit structure of the rechargeable battery of the present embodiment is unlike the circuit structure of rechargeable battery shown in Fig. 2, at this
In embodiment, DC/DC circuit 11 includes DC/DC controller 111, MOS driving chip 112, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor
Q2, inductance L, output capacitance C and second signal sampling unit 114；Wherein, DC/DC controller 111 and MOS driving chip 112 connect
It connects, for providing MOS driving signal for MOS driving chip 112；MOS driving chip 112 and the first MOS pipe Q1 and the 2nd MOS
The grid of pipe Q2 connects, for controlling turn-on time and the turn-off time of the first metal-oxide-semiconductor Q1 and the 2nd MOS pipe Q2；Inductance L's
First end is electrically connected with the input terminal of DC/DC circuit 11, the source electrode and the second metal-oxide-semiconductor of the second end of inductance L and the first metal-oxide-semiconductor Q1
The drain electrode of Q2 is electrically connected, and the drain electrode of the first metal-oxide-semiconductor Q1 is electrically connected with the first end of the first end of output capacitance C and battery core 2, and second
The source electrode of metal-oxide-semiconductor Q2 is electrically connected with the second end of the second end of output capacitance C and battery core 2.At this point, including the DC/DC circuit 11
Rechargeable battery can realize the boost conversion to input voltage.The detail content of not detailed description, can refer in the present embodiment
Above-described embodiment, details are not described herein again.
In addition, additionally providing a kind of DC/DC step-up/step-down circuit in another embodiment of the utility model.Specifically, such as Fig. 4
It is shown, the circuit structure of the rechargeable battery of the present embodiment unlike the circuit structure of rechargeable battery shown in Fig. 2,
In the present embodiment, DC/DC circuit 11 includes DC/DC controller 111, MOS driving chip 112, the first metal-oxide-semiconductor Q1, the 2nd MOS
Pipe Q2, third metal-oxide-semiconductor Q3, the 4th metal-oxide-semiconductor Q4, inductance L, output capacitance C and second signal sampling unit 114；Wherein, DC/DC
Controller 111 is connect with MOS driving chip 112, for providing MOS driving signal for MOS driving chip 112；MOS drives core
Piece 112 is connect with the grid of the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the 3rd MOS pipe Q3 and the 4th metal-oxide-semiconductor Q4, for controlling the
Turn-on time and the turn-off time of one metal-oxide-semiconductor Q1, the 2nd MOS pipe Q2, third metal-oxide-semiconductor Q3 and the 4th metal-oxide-semiconductor Q4；First MOS
The drain electrode of pipe Q1 is electrically connected with the input terminal of DC/DC circuit 11, the drain electrode of the source electrode of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 and
The first end of inductance L is electrically connected；The second end of inductance L and the drain electrode of the source electrode and the 4th metal-oxide-semiconductor Q4 of the 3rd MOS pipe Q3 are electrically connected
It connects, the drain electrode of third metal-oxide-semiconductor Q3 is electrically connected with the first end of the first end of output capacitance C and battery core 2, the source of the second metal-oxide-semiconductor Q2
Pole is electrically connected with the source electrode of the 4th MOS pipe Q4, the second end of output capacitance C and the second end of battery core 2；Second signal sampling is single
The first end of member 114 is electrically connected with the output end of DC/DC circuit 11, the second end and DC/DC of second signal sampling unit 114
Controller 111 and microprocessor 121 are electrically connected, and second signal sampling unit 114 is used to acquire the output electricity of DC/DC circuit 11
Signal is pressed, and feeds back to DC/DC controller 111 and microprocessor 121.At this point, including the rechargeable battery of the DC/DC circuit 11
It can be achieved to convert the buck of input voltage；Microprocessor 121 drives the first MOS by control MOS driving chip 112 respectively
The duty ratio of the gate drive signal of pipe Q1, the second metal-oxide-semiconductor Q2, third metal-oxide-semiconductor Q3 and the 4th metal-oxide-semiconductor Q4 controls the first MOS
The on and off time of pipe Q1, the second metal-oxide-semiconductor Q2, third metal-oxide-semiconductor Q3 and the 4th MOS pipe Q4 control the ripple electricity of inductance L
The output voltage of stream and DC/DC circuit 11, so that DC/DC circuit 11 be allowed to be in boost or depressurization state.
Specifically, second signal sampling unit 114 is electrically connected with microprocessor 121 and DC/DC controller 111, micro process
Device 121 read second signal sampling unit 114 acquire DC/DC circuit 11 output voltage information, microprocessor 121 by with
After track input current information and input voltage information determine solar panel maximum output power point, compare maximum power point
The size of the output voltage of input voltage and DC/DC circuit 11.If the input voltage of maximum power point is greater than DC/DC circuit 11
Output voltage, then microprocessor 121 controls DC/DC controller 111 into decompression state；If the input voltage of maximum power point is small
In the output voltage of DC/DC circuit 11, then microprocessor 121 controls DC/DC controller 111 into pressure-increasning state；If maximum work
The input voltage of rate point is equal to the output voltage of DC/DC circuit 11, then microprocessor 121 utilizes the method control of duty ratio consistent difference
DC/DC controller 111 processed, so that DC/DC controller 111 exports the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor to MOS driving chip 112
The duty ratio of the gate drive signal of Q2, third metal-oxide-semiconductor Q3 and the 4th metal-oxide-semiconductor Q4 is relative constant, to guarantee DC/DC circuit 11
Input voltage be equal to output voltage.Optionally, on the basis of the various embodiments described above, in the another embodiment of the utility model
In, as shown in figure 5, rechargeable battery further includes electric discharge managing device 4 and electric discharge interface 5, the discharge end and discharge tube of battery core 2
Manage device 4 input terminal electrical connection, discharge managing device 4 output end and electric discharge interface (including first electric discharge interface D and second
Discharge interface E, and the first electric discharge interface D is the anode of rechargeable battery, and the second electric discharge interface E is the cathode of rechargeable battery) electricity
Connection.Three end charging interfaces 3 on rechargeable battery and electric discharge interface 5 are provided separately as a result, it is internal by charge-discharge circuit every
From so as to meet the usage scenario discharged in charging.
Rechargeable battery mentioned in various embodiments of the utility model can be electric outboard motor battery.The utility model
Rechargeable battery can have three hole input plugs, which includes three end charging interfaces in above-described embodiment.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (8)
1. a kind of rechargeable battery, which is characterized in that including charging controller, battery core and three end charging interfaces, wherein described
Charging controller includes DC-DC DC/DC circuit and MPPT maximum power point tracking MPPT controller, three end charging interface
The first charging interface and the second charging interface be electrically connected with the input terminal of the DC/DC circuit, the DC/DC circuit it is defeated
Outlet is electrically connected with the first end of the battery core, the third charging interface of three end charging interface and the second end of the battery core
Electrical connection, the input terminal of the MPPT controller are electrically connected with second charging interface, the output end of the MPPT controller
It is electrically connected with the DC/DC circuit.
2. rechargeable battery according to claim 1, which is characterized in that the MPPT controller includes the first signal sampling
Unit and microprocessor, the first end of the first signal sampling unit are electrically connected with second charging interface, and described first
The second end of signal sampling unit is electrically connected with an input terminal of the microprocessor, an output end of the microprocessor and institute
State the electrical connection of DC/DC circuit；
The first signal sampling unit is used to acquire the voltage signal and current signal inputted through second charging interface, and
Sampled signal is exported to the microprocessor, the microprocessor is used for according to sampled signal output to the DC/DC electricity
The control signal on road.
3. rechargeable battery according to claim 2, which is characterized in that the DC/DC circuit include DC/DC controller and
Second signal sampling unit；
One output end of the microprocessor is electrically connected with the DC/DC controller, and the first of the second signal sampling unit
End is electrically connected with the output end of the DC/DC circuit, the second end of the second signal sampling unit and the DC/DC controller
Electrical connection, the second signal sampling unit are used to acquire the output voltage signal of the DC/DC circuit, and feed back to described
DC/DC controller.
4. rechargeable battery according to claim 3, which is characterized in that the DC/DC circuit further includes MOS driving core
Piece, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, inductance, freewheeling diode and output capacitance；
Wherein, the DC/DC controller is connect with the MOS driving chip, is driven for providing MOS for the MOS driving chip
Dynamic signal；The MOS driving chip is connect with the grid of first metal-oxide-semiconductor and second metal-oxide-semiconductor, for controlling described
The turn-on time and turn-off time of one metal-oxide-semiconductor and second metal-oxide-semiconductor；
The drain electrode of first metal-oxide-semiconductor is electrically connected with the input terminal of the DC/DC circuit, the source electrode of first metal-oxide-semiconductor and institute
State the cathode electrical connection of the drain electrode of the second metal-oxide-semiconductor, the first end of the inductance and the freewheeling diode；The second of the inductance
End is electrically connected with the first end of the first end of the output capacitance and the battery core, and the source electrode of second metal-oxide-semiconductor continues with described
Flow the second end electrical connection of the anode of diode, the second end of the output capacitance and the battery core.
5. rechargeable battery according to claim 3, which is characterized in that the DC/DC circuit further includes MOS driving core
Piece, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, inductance and output capacitance；
Wherein, the DC/DC controller is connect with the MOS driving chip, is driven for providing MOS for the MOS driving chip
Dynamic signal；The MOS driving chip is connect with the grid of first metal-oxide-semiconductor and second metal-oxide-semiconductor, for controlling described
The turn-on time and turn-off time of one metal-oxide-semiconductor and second metal-oxide-semiconductor；
The first end of the inductance is electrically connected with the input terminal of the DC/DC circuit, the second end of the inductance and described first
The drain electrode of the source electrode of metal-oxide-semiconductor and second metal-oxide-semiconductor is electrically connected, and the of the drain electrode of first metal-oxide-semiconductor and the output capacitance
The electrical connection of the first end of one end and the battery core, the source electrode of second metal-oxide-semiconductor and the second end of the output capacitance and described
The second end of battery core is electrically connected.
6. rechargeable battery according to claim 3, which is characterized in that the DC/DC circuit further includes MOS driving core
Piece, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, third metal-oxide-semiconductor, the 4th metal-oxide-semiconductor, inductance and output capacitance；
Wherein, the DC/DC controller is connect with the MOS driving chip, is driven for providing MOS for the MOS driving chip
Dynamic signal；The MOS driving chip and first metal-oxide-semiconductor, second metal-oxide-semiconductor, the third metal-oxide-semiconductor and the described 4th
The grid of metal-oxide-semiconductor connects, for controlling first metal-oxide-semiconductor, second metal-oxide-semiconductor, the third metal-oxide-semiconductor and the described 4th
The turn-on time of metal-oxide-semiconductor and turn-off time；
The drain electrode of first metal-oxide-semiconductor is electrically connected with the input terminal of the DC/DC circuit, the source electrode of first metal-oxide-semiconductor and institute
State the drain electrode of the second metal-oxide-semiconductor and the first end electrical connection of the inductance；The source of the second end of the inductance and the third metal-oxide-semiconductor
The drain electrode of pole and the 4th metal-oxide-semiconductor is electrically connected, the drain electrode of the third metal-oxide-semiconductor and the first end of the output capacitance and described
The first end of battery core is electrically connected, and the of the source electrode of the source electrode of second metal-oxide-semiconductor and the 4th metal-oxide-semiconductor, the output capacitance
The electrical connection of the second end of two ends and the battery core；
The first end of the second signal sampling unit is electrically connected with the output end of the DC/DC circuit, and the second signal is adopted
The second end of sample unit is electrically connected with the DC/DC controller and the microprocessor, and the second signal sampling unit is used for
The output voltage signal of the DC/DC circuit is acquired, and feeds back to the DC/DC controller and the microprocessor.
7. rechargeable battery according to claim 1, which is characterized in that the rechargeable battery further includes the first transistor
And second transistor, the first transistor are set between first charging interface and the input terminal of the DC/DC circuit,
The second transistor is set between second charging interface and the input terminal of the DC/DC circuit, the first crystal
Pipe and the second transistor are for preventing electric current backflow.
8. rechargeable battery according to claim 1, which is characterized in that the rechargeable battery further includes electric discharge management dress
It sets and the interface that discharges, the discharge end of the battery core is electrically connected with the input terminal of the electric discharge managing device, the electric discharge management dress
The output end set is electrically connected with the electric discharge interface.
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| CN201822241281.6U CN209200719U (en) | 2018-12-28 | 2018-12-28 | A kind of rechargeable battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112332477A (en) * | 2020-10-22 | 2021-02-05 | 纪亭 | Direct charging system and method for rechargeable battery using mobile phone charging interface |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112332477A (en) * | 2020-10-22 | 2021-02-05 | 纪亭 | Direct charging system and method for rechargeable battery using mobile phone charging interface |
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