CN110212613A - A kind of charge control switching circuit and charge control switching method - Google Patents
A kind of charge control switching circuit and charge control switching method Download PDFInfo
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- CN110212613A CN110212613A CN201910574371.3A CN201910574371A CN110212613A CN 110212613 A CN110212613 A CN 110212613A CN 201910574371 A CN201910574371 A CN 201910574371A CN 110212613 A CN110212613 A CN 110212613A
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- 238000000034 method Methods 0.000 title claims abstract description 22
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- 230000002265 prevention Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 11
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 101100489717 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND2 gene Proteins 0.000 description 4
- 101150118744 UPS1 gene Proteins 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
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- 230000001052 transient effect Effects 0.000 description 2
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 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
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
Abstract
A kind of charge control switching circuit and charge control switching method, the charge control switching circuit include: Power Entry Module, power detection module and polarity switching module；Power Entry Module accesses DC power supply or sun-generated electric power；Power detection module detects the power supply type of Power Entry Module access, and generates the first power supply signal or the second power supply signal；The positive terminal of the power positive end of Power Entry Module and rechargeable battery is isolated according to the first power supply signal for polarity switching module, and the negative pole end at the power cathode end of Power Entry Module and rechargeable battery is attached, the first current supply circuit is connected；Or be attached the positive terminal of the power positive end of Power Entry Module and rechargeable battery according to the second power supply signal, and the power cathode end of Power Entry Module is isolated with the negative pole end of rechargeable battery, the second current supply circuit is connected；The compatible realization solar recharging mode of charge control switching circuit and DC charging mode.
Description
Technical field
The invention belongs to electronic circuit technology fields more particularly to a kind of charge control switching circuit and charge control to switch
Method.
Background technique
With the continuous development of electronic technology, the power supply mode of electronic equipment is more and more diversified, due to each power supply
Mode there are biggish difference, then each type of electronic equipment just need adaptively to use different types of power supply mode with
Specified electric energy is accessed, the otherness of power supply mode, which is applicable in the compatibility of electronic equipment, causes great inconvenience, and user is only
Specific charging modes can be used for electronic equipment, the usage experience of user is bad.
The charging modes of electronic equipment are mainly DC power supply charging modes, solar recharging mode on the market at present；Its
Middle direct current mode charges and mainly exports pre-stored direct current energy to load, and solar recharging mode is by by solar energy
Electric energy is converted to, and then realizes the power supply for load；Solar recharging mode and DC charging mode electric energy transmission with
And there are numerous difference in the connection type of electronic component, the circuit structure in traditional technology can not be compatible with solar recharging
Mode and DC charging mode, scalability are lower, it is difficult to meet the power demands of different type electronic equipment, electronic equipment
Charge step complexity with higher, practical value are lower.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of charge control switching circuit and charge control switching method, purport
Solve traditional technical solution can not compatible direct current charging modes and solar recharging mode, the charging process of electron equipment
Great inconvenience is brought, blanket problem is led to not.
The first aspect of the embodiment of the present invention provides a kind of charge control switching circuit, connect with rechargeable battery, described
Charge control switching circuit includes:
It is configured as the Power Entry Module of access DC power supply or sun-generated electric power；
It is connect with the Power Entry Module, is configured as detecting that the Power Entry Module accesses the DC power supply
The first power supply signal of Shi Shengcheng, or detect and generate the second power supply when the Power Entry Module accesses the sun-generated electric power
The power detection module of signal；And
It connect, is configured as according to first power supply signal with the power detection module and the Power Entry Module
The positive terminal of the power positive end of the Power Entry Module and the rechargeable battery is isolated, and by the power input
The power cathode end of module and the negative pole end of the rechargeable battery are attached, the first current supply circuit is connected；Or according to institute
The second power supply signal is stated to be attached the positive terminal of the power positive end of the Power Entry Module and the rechargeable battery, and
The power cathode end of the Power Entry Module is isolated with the negative pole end of the rechargeable battery, is powered back with conducting second
The polarity switching module on road；
Wherein, first current supply circuit is used for the DC signal output that exports DC power supply to the rechargeable battery,
To charge to the rechargeable battery；
Second current supply circuit is used to export the solar energy signal that sun-generated electric power exports to the rechargeable battery, with
It charges to the rechargeable battery.
In one of them embodiment, the charge control switching circuit further include:
It is serially connected in first current supply circuit, is configured as carrying out voltage conversion and steady pressure treatment to the direct current signal
Power supply adjustment module；
It is serially connected in first current supply circuit, is configured as converting the voltage into and the DC signal output after steady pressure treatment
To the battery management module of the rechargeable battery；And
It is serially connected in first current supply circuit, the battery for being configured as carrying out the rechargeable battery surging prevention is protected
Protect module.
In one of them embodiment, the Power Entry Module includes:
Connect with the power detection module and the polarity switching module, be configured as accessing the sun-generated electric power or
The power input interface of DC power supply described in person；With
It is connect with the power input interface and the polarity switching module, is configured as connecing when the power input interface
When entering the sun-generated electric power, then the control interface of the solar energy signal is received.
In one of them embodiment, the power input interface includes: power positive end, power cathode end and the sun
Can power output end；
The control interface includes: power positive end, power cathode end, power supply positive terminal and power supply negative pole end, wherein institute
With stating the power cathode termination power of control interface, the power supply of the power positive end of the control interface and the control interface is being just
Extreme connection, the power cathode end of the control interface is connect with the power supply negative pole end of the control interface；
The cathode terminating systems of the rechargeable battery, the positive terminal of the rechargeable battery is serially connected with described first and powers back
Road neutralizes in second current supply circuit；
The power positive end of the power input interface is serially connected in first current supply circuit；
The solar powered output of the power input interface terminates the power supply positive terminal of the control interface, the power supply
The power cathode of input interface terminates the input terminal of the polarity switching module, the first output termination of the polarity switching module
It is described systematically, the second output terminal of the polarity switching module connects the power supply positive terminal of the control interface, and the polarity is cut
The switching control for changing the mold block terminates the power detection module.
In one of them embodiment, the power detection module includes:
It is connect with the power input interface and the control interface, is configured as detecting the electricity of the power input interface
The sampling unit of the input voltage of the power supply positive terminal of the output voltage of source positive terminal and the control interface；With
It is connect with the sampling unit and the polarity switching module, is configured as detecting the electricity of the power input interface
Whether the input voltage of the power supply positive terminal of the output voltage of source positive terminal and the control interface meets the first preset condition, when
Determine the input electricity of the output voltage of the power positive end of the power input interface and the power supply positive terminal of the control interface
Pressure meets first preset condition, then exports first power supply signal, and the power supply of the detection power input interface
It is pre- whether the voltage of the input voltage access of the power supply positive terminal of the output voltage of positive terminal and the control interface meets second
If condition, when the output voltage for the power positive end for determining the power input interface and the power supply positive terminal of the control interface
Input voltage meet second preset condition, then export the control unit of the second power supply signal.
In one of them embodiment, first preset condition are as follows:
In continuous first preset time, the output voltage of the power positive end of the power input interface is greater than first
Predeterminated voltage, and the input voltage of the power supply positive terminal of the control interface is less than the second predeterminated voltage；
Second preset condition are as follows:
In continuous second preset time, the output voltage of the power positive end of the power input interface is less than third
Predeterminated voltage, and the input voltage of the power supply positive terminal of the control interface is greater than the 4th predeterminated voltage.
In one of them embodiment, the polarity switching module includes:
First resistor, second resistance, first switch tube, first diode and relay；
Wherein, the first end of the first end of the first resistor and the second resistance is connected to described control unit, institute altogether
State the control terminal of the second termination first switch tube of first resistor, the second end of the second resistance and the first switch
First conduction terminal of pipe；
The anode of the first end of the coil of the relay and the first diode is connected to the first switch tube altogether
Second conduction terminal；
The cathode of the second end of the coil of the relay and the first diode connects to form the polarity switching mould altogether
The switching control end of block；
First input contact of the relay is the input terminal of the polarity switching module；
First output contact of the relay is the first output end of the polarity switching module；
Second output contact of the relay is the second output terminal of the polarity switching module.
In one of them embodiment, the Power Entry Module further include:
It is connected between power supply output end and the power supply positive terminal of the control interface of the power input interface, is matched
It is set to when the power input interface accesses the sun-generated electric power, the guarantor of reverse-filling protection is carried out to the solar energy signal
Protect unit.
In one of them embodiment, the Power Entry Module further include:
It is connected between power supply output end and the power supply positive terminal of the control interface of the power input interface, is matched
It is set to the current limiting unit that current-limiting protection is carried out to the solar energy signal；With
It connect, is configured as with the power supply positive terminal of the power supply output end of the power input interface and the control interface
The filter unit that the solar energy signal is filtered.
The second aspect of the embodiment of the present invention provides a kind of charge control switching method, is applied to rechargeable battery, described
Charge control switching method includes:
Detect the type of input power；
Judge the type of the input power for DC power supply or sun-generated electric power；
If it is determined that the input power belongs to the DC power supply, then by the negative pole end of the DC power supply and the charging
The negative pole end of battery is attached, and the positive terminal of the DC power supply is isolated with the positive terminal of the rechargeable battery,
First current supply circuit of the rechargeable battery is connected, to charge to the rechargeable battery；
If it is determined that the input power belongs to the sun-generated electric power, then by the negative pole end of the sun-generated electric power with it is described
The power cathode end of rechargeable battery is isolated, and by the positive terminal of the positive terminal of the sun-generated electric power and the rechargeable battery
It is attached, the second current supply circuit of the rechargeable battery is connected, to charge to the rechargeable battery.
Above-mentioned charge control switching circuit accesses DC power supply and solar-electricity by Power Entry Module compatiblely
Source, after being detected by the power supply type that power detection module accesses Power Entry Module, polarity switching module according to
Testing result adjusts the electric power polarity of rechargeable battery and the electric power polarity of Power Entry Module, so that rechargeable battery is defeated with power supply
Enter and forms different current supply circuits between module, then no matter under solar recharging mode or under DC charging mode,
Rechargeable battery can access stablize, the electric energy of safety, to maintain itself charging performance；Therefore the embodiment of the present invention can basis
Connection relationship between the electric power polarity of type switching rechargeable battery and the electric power polarity of Power Entry Module of power supply, so as to fill
Battery can be suitable for different types of power source charges mode, and compatibility is stronger, bring greatly to the use of rechargeable battery
Convenience；And then charge control switching circuit can be suitable for each different industrial technical field to universality.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram for the charge control switching circuit that one embodiment of the invention provides；
Fig. 2 is another structural schematic diagram for the charge control switching circuit that one embodiment of the invention provides；
Fig. 3 is the structural schematic diagram for the Power Entry Module that one embodiment of the invention provides；
Fig. 4 is the attachment structure schematic diagram for the charge control switching circuit that one embodiment of the invention provides；
Fig. 5 is the structural schematic diagram for the power detection module that one embodiment of the invention provides；
Fig. 6 is the electrical block diagram for the polarity switching module that one embodiment of the invention provides；
Fig. 7 is another structural schematic diagram for the Power Entry Module that one embodiment of the invention provides；
Fig. 8 is another structural schematic diagram for the Power Entry Module that one embodiment of the invention provides；
Fig. 9 is the electrical block diagram of current limiting unit and filter unit that one embodiment of the invention provides；
Figure 10 is the specific flow chart for the charge control switching method that one embodiment of the invention provides；
Figure 11 is the structural schematic diagram for the charge control switching system that one embodiment of the invention provides；
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, the structural schematic diagram of charge control switching circuit 10 provided in an embodiment of the present invention, charge control are cut
Circuit 10 to be changed to connect with rechargeable battery 20, charge control switching circuit 10 can automatically switch the charging modes of rechargeable battery 20,
So that rechargeable battery 20 can keep safe charge function under solar recharging mode or DC charging mode, it is simultaneous
Capacitive is stronger；For ease of description, only the parts related to this embodiment are shown, and details are as follows:
Above-mentioned charge control switching circuit 10 includes: that Power Entry Module 101, power detection module 102 and polarity are cut
Change the mold block 103.
Power Entry Module 101 accesses DC power supply or sun-generated electric power.
Optionally, the DC power supply in the present embodiment can derive from each different industrial technical field, and herein not
Model and specification to DC power supply make any restriction, and the Power Entry Module 101 in the present embodiment can access various types
DC power supply；Similarly, any restriction is not made to the source of sun-generated electric power and specification herein, then filling in the present embodiment
Electric control switching circuit 10 can in each technical field sun-generated electric power and DC power supply switch over and realize steady
Determine function of supplying power.
Illustratively, DC power supply is 8~36V DC power supply.
Illustratively, sun-generated electric power is generated by solar panels, and solar panels can receive illumination, and convert light energy into electricity
Can, and be stored in advance in the circuit structure of itself.
Power Entry Module 101 in the present embodiment can be compatible with access direct current energy or solar energy-electric energy, to ensure
The electrical stability and reliability of charge control switching circuit 10, thus charge control switching circuit 10 can be suitable for it is each not
Same industrial technical field, realizes switching and the transmission of direct current energy and solar energy-electric energy, and practical value is high.
Power detection module 102 is connect with Power Entry Module 101, detects that Power Entry Module 101 accesses direct current
The first power supply signal is generated when source, or is detected and generated second when Power Entry Module 101 accesses sun-generated electric power for telecommunications
Number.
Wherein, sun-generated electric power and DC power supply have an entirely different power supply mode, thus when sun-generated electric power or
DC power supply is inserted into Power Entry Module 101, and charge control switching circuit 10 just needs to respond using different power supply controls,
To match in a manner of solar recharging or DC charging mode；The present embodiment monitors power supply in real time by power detection module 102
The power supply type that input module 101 accesses, and it is corresponding for telecommunications according to the power supply type generation that Power Entry Module 101 accesses
Number, the handoff functionality for power supply mode is realized by the first power supply signal or the second power supply signal, has ensured solar-electricity
The power supply control response speed and precision of both source and DC power supply；Therefore the present embodiment can monitor Power Entry Module in real time
101 electric energy accesses situation, has ensured the input efficiency of different type electric energy, has realized for DC charging mode and solar energy
The Switched adaptive control function of charging modes improves the power supply switching control precision and effect of charge control switching circuit 10
Rate.
Polarity switching module 103 is connect with power detection module 102 and Power Entry Module 101, according to first for telecommunications
Number the positive terminal of the power positive end of Power Entry Module 101 and rechargeable battery 20 is isolated, and by Power Entry Module
101 power cathode end and the negative pole end of rechargeable battery 20 are attached, the first current supply circuit is connected；Or it is supplied according to second
The positive terminal of the power positive end of Power Entry Module 101 and rechargeable battery 20 is attached by electric signal, and by power input
The power cathode end of module 101 is isolated with the negative pole end of rechargeable battery 20, the second current supply circuit is connected.
Wherein, the first current supply circuit is used for the DC signal output that exports DC power supply to rechargeable battery 20, with to filling
Battery 20 charges.
Second current supply circuit is for exporting the solar energy signal that sun-generated electric power exports to rechargeable battery 20, to charging
Battery 20 charges.
After the detection of power detection module 102 obtains the power supply type of the access of Power Entry Module 101, power detecting mould
Block 102 exports the first power supply signal or the second power supply signal to polarity switching module 103, passes through polarity switching module 103
The electric power polarity connection relationship between Power Entry Module 101 and rechargeable battery 20 can be changed, to match in a manner of DC charging
With solar recharging mode；If the detection of power detection module 102 obtains Power Entry Module 101 and accesses DC power supply, polarity
Power Entry Module 101 and rechargeable battery 20 are switched to common cathode connection type by switching module 103, then Power Entry Module
101 power cathode end and the negative pole end of rechargeable battery 20 are connected to ground altogether, and then are passed direct current signal by the first current supply circuit
Rechargeable battery 20 is transported to, to realize the upper Electricity Functional of rechargeable battery 20；If the detection of power detection module 102 obtains power input mould
Block 101 accesses sun-generated electric power, then Power Entry Module 101 and rechargeable battery 20 are switched to common anode by polarity switching module 103
Pole connection type, then the positive terminal of the power positive end of Power Entry Module 101 and rechargeable battery 20 is directly attached, with
It is powered by the second current supply circuit to rechargeable battery 20, has ensured the specified charge function of rechargeable battery 20；Therefore this reality
The polarity switching process that example directly manipulates polarity switching module 103 by the power supply signal that power detection module 102 exports is applied, with
So that different electric energy transmission circuits is formed between Power Entry Module 101 and rechargeable battery 20, to realize for rechargeable battery
20 safe charging, therefore the charge control switching circuit 10 in the present embodiment can set DC power supply and sun-generated electric power
Corresponding current supply circuit is set, has ensured the safety and stability of DC charging and solar recharging.
It should be noted that the rechargeable battery 20 in the present embodiment is various types of battery in this field, to this
Any restriction is not done herein；Illustratively, rechargeable battery 20 is lithium battery.
In the structural representation of charge control switching circuit 10 shown in fig. 1, the compatible direct current of Power Entry Module 101
The physical connection in source and sun-generated electric power, the power supply actually accessed by power detection module 102 for Power Entry Module 101
Type, to drive the electric power polarity of 103 Switching power input module 101 of polarity switching module and the electric power polarity of rechargeable battery 20
Between connection relationship, and form corresponding current supply circuit, stable charging carried out by current supply circuit by rechargeable battery 20,
The charging security and reliability of rechargeable battery 20 are ensured；Therefore the charge control switching circuit 10 in the present embodiment can be simultaneous
Hold DC charging mode and solar recharging mode, according to powered types by the electric power polarity of rechargeable battery 20 and power input mould
The electric power polarity of block 101 is set as connection type corresponding with powered types, realize rechargeable battery 20 solar recharging and
DC charging, scalability is extremely strong, easy to operate, brings great convenience to the use of user；To efficiently solve
Battery charger in traditional technology can not compatible direct current charging and both modes of solar recharging, the cost of battery charging
Rise, operation is constant, causes traditional battery charger can not blanket problem.
As an alternative embodiment, Fig. 2 shows the another of charge control switching circuit 10 provided in this embodiment
A kind of structural representation, the charge control switching circuit 10 compared to the charge control switching circuit 10 in Fig. 1, in Fig. 2 further include:
Power supply adjustment module 104, battery management module 105 and battery protection module 106.
Power supply adjustment module 104 is serially connected in the first current supply circuit, carries out voltage conversion and steady pressure treatment to direct current signal.
Optionally, power supply adjustment module 104 carries out boosting processing for direct current signal or decompression is handled, and then passes through electricity
Direct current signal after pressure conversion can exactly match the specified charge power demand of rechargeable battery 20, ensure rechargeable battery 20
Charge stability and safety.
Specifically, rechargeable battery 20 is in DC charging mould at this time when Power Entry Module 101 accesses DC power supply
Formula, the first current supply circuit are connected, and when the first current supply circuit transmits direct current signal, power supply adjustment module 104 can be for
The voltage magnitude of direct current signal carries out voltage conversion, has ensured the safety of the transmission stability of direct current signal；Power supply tune simultaneously
Save module 104 for direct current signal voltage magnitude carry out steady pressure treatment, with prevent direct current signal in transmission process by compared with
The direct current energy of big noise jamming, the transmission of the first current supply circuit has higher precision and stability, powers back by first
The direct current energy of road output can realize the direct current supply safety and precision of rechargeable battery 20.
Battery management module 105 is serially connected in the first current supply circuit, is converted the voltage into and the direct current signal after steady pressure treatment
It exports to rechargeable battery 20.
Wherein, battery management module 105 is connected between power supply adjustment module 104 and rechargeable battery 20, when power supply is adjusted
After module 104 carries out voltage conversion and steady pressure treatment for direct current signal, battery management module 105 can realize the function of power management
Can, direct current energy is exported to rechargeable battery 20 by battery management module 105, to have ensured the charging effect of rechargeable battery 20
Rate, under DC charging mode, rechargeable battery 20 can rapidly access direct current signal by the first current supply circuit, improve and fill
The electric energy switching control precision and response speed of electric control switching circuit 10.
Battery protection module 106 is serially connected in the first current supply circuit, and battery protection module 106 prevents rechargeable battery 20
Surge protection.
Optionally, battery protection module 106 is connected between power supply adjustment module 104 and battery management module 105, or
Battery protection module 106 is connected between power supply adjustment module 104 and Power Entry Module 101；Therefore charge control switching electricity
Road 10 has more compatible circuit structure.
It can prevent from generating powerful rush in the first current supply circuit in DC charging mode by battery protection module 106
Electric current is hit, causes to damage rechargeable battery 20；Therefore the present embodiment can be transmitted stable by the first current supply circuit
Direct current signal, and rechargeable battery 20 can access specified direct current energy, rechargeable battery 20 have higher physical security and
The DC charging mode of power storage stability, charge control switching circuit 10 has higher security level and the scope of application,
Charge control switching circuit 10 carries out safe and stable switching between DC charging mode and solar recharging mode.
Optionally, battery protection module 106 includes that TVS (constrain by Transient Voltage Suppressor, transient electrical
Diode processed) pipe, wherein the first of TVS pipe terminates the first current supply circuit, the second end ground connection of TVS pipe, and then passes through TVS pipe energy
Enough inhibit the electric energy abrupt transients in direct current signal, so that the electric energy in the first current supply circuit is able to maintain smooth variation.
Therefore, the present embodiment combination power supply adjustment module 104, battery management module 105 and battery protection module 106 ensure
The transmission security and high efficiency of direct current signal, practical value are high in first current supply circuit.
Illustratively, the particular circuit configurations of power supply adjustment module 104 can be used booster circuit in traditional technology or
Reduction voltage circuit realizes that battery management chip in traditional technology can be used in the particular circuit configurations of battery management module 105
It realizes, for example the particular circuit configurations of battery management module 105 realize electric energy management function using BQ76PL455 chip.
As an alternative embodiment, the structure that Fig. 3 shows Power Entry Module 101 provided in this embodiment is shown
Meaning, referring to Fig. 3, Power Entry Module 101 includes: power input interface 1011 and control interface 1012.
Wherein, power input interface 1011 is connect with power detection module 102 and polarity switching module 103, power input
Interface 1011 accesses sun-generated electric power or DC power supply.
Power input interface 1011 can establish physics with any one in sun-generated electric power and DC power supply the two
Connection, to realize solar energy-electric energy and direct current energy compatible transmission function；Therefore the power input interface 1011 in the present embodiment
Power supply compatible transmission function with higher is realized for sun-generated electric power and the compatible use of DC power supply, and then this implementation
Example, which can access sun-generated electric power by an interface, also can access DC power supply, easy to operate, greatly simplifie rechargeable battery
20 power supply control step, reduces charge control cost.
Control interface 1012 is connect with power input interface 1011 and polarity switching module 103, works as power input interface
When 1011 access sun-generated electric power, then solar energy signal is received.
Wherein control interface 1012 has the function of solar energy-electric energy conversion, if power input interface 1011 and solar-electricity
When establishing physical connection between source, when power input interface 1011 exports solar energy signal to control interface 1012, control is connect
Mouth 1012 can carry out solar energy signal compatible transmission and convert, to reach safe solar powered effect；Therefore originally
Embodiment can be realized the transmission security and compatibility of the solar energy electricity in solar recharging mode by control interface 1012
Property, flexibility is higher.
As an alternative embodiment, Fig. 4 shows the company of charge control switching circuit 10 provided in this embodiment
Structural representation is connect, incorporated by reference to Fig. 1, Fig. 3 and Fig. 4, power input interface 1011 includes: power positive end DC+, power cathode end
DC- and solar powered output end Solar+.
Control interface 1012 includes: power positive end UPS1+, power cathode end UPS1-, power supply positive terminal Solar+ and confession
Electric negative pole end Solar-, wherein the power cathode end UPS1- of control interface 1012 connects power ground GND1, the electricity of control interface 1012
Source positive terminal UPS1+ is connect with the power supply positive terminal Solar+ of control interface 1012, the power cathode end of control interface 1012
UPS1- is connect with the power supply negative pole end Solar- of control interface 1012；And then the inside of control interface 1012 can be formed accordingly
Power path, can between the power positive end UPS1+ of control interface 1012 and the power supply positive terminal Solar+ of control interface 1012
Form positive power path, the power cathode end UPS1- of control interface 1012 and the power supply negative pole end of control interface 1012
Cathode power path, only when positive power path and cathode power path are all connected, rechargeable battery are formed between Solar-
20 the second current supply circuit can be connected, and then be exported solar energy signal to rechargeable battery 20 by the second current supply circuit,
To complete the function of solar charging for rechargeable battery 20.
It should be pointed out that above-mentioned power ground GND1 and systematically GND2 are not have to be equal for force device
The potential reference object of property, and power ground GND1 and between GND2 be systematically to be isolated.
The negative pole end UPS2- welding system of rechargeable battery 20 GND, the positive terminal UPS2+ of rechargeable battery 20 be serially connected with first
Current supply circuit neutralizes in the second current supply circuit；And then rechargeable battery 20 can realize direct current supply function by the first current supply circuit,
Rechargeable battery 20 can realize solar power supply function by the second current supply circuit, ensure the upper electrical stability of rechargeable battery 20.
The power positive end DC+ of power input interface 1011 is serially connected in the first current supply circuit.
The solar powered output end Solar+ of power input interface 1011 connects the power supply positive terminal of control interface 1012
Solar+, the power cathode end DC- of power input interface 1011 connect the input terminal of polarity switching module 103, polarity switching module
GND1, the second output terminal of polarity switching module 103 are connecing the power supply of control interface 1012 just to the first of 103 with exporting terminating systems
Extreme Solar+, the switching control termination power detection module 102 of polarity switching module 103.
Wherein polarity switching module 103 may be implemented between the first output end and second output terminal the effect for carrying out selection conducting
Fruit, different current supply circuits is connected；Specifically, when power detection module 102 detects what power input interface 1011 accessed
When power supply type, then power detection module 102 will test the switching control end that result is sent to polarity switching module 103,
Polarity switching module 103 selects different output ends to be formed back under the driving of the first power supply signal or the second power supply signal
Road；Illustratively, when polarity switching module 103 selects conducting input terminal and when the first output end, then power input interface 1011
Power cathode end DC- welding system ground GND1, the negative pole end UPS2- of power input interface 1011 and rechargeable battery 20 uses common cathode
Pole connection type, the conducting of the first current supply circuit, rechargeable battery 20 carries out DC charging by the first current supply circuit at this time；On the contrary,
If when the selection of polarity switching module 103 conducting input terminal and second output terminal, the power cathode end of power input interface 1011
DC- meets power ground GND2, and the first current supply circuit is turned off at this time, the solar powered output end of power input interface 1011
Solar+ exports solar energy signal to control interface 1012, the power cathode end UPS1- and rechargeable battery of control interface 1012
Between 20 negative pole end UPS2- with being separately connected different potential references, and the power positive end UPS1+ of control interface 1012
Common-anode connection type is used with the positive terminal UPS2+ of rechargeable battery 20, the conducting of the second current supply circuit, then rechargeable battery 20 passes through
Second current supply circuit accesses solar energy signal, to realize solar recharging.
Therefore the present embodiment is by polarity switching module 103 come the power cathode end DC- of Switching power input interface 1011
With the connection relationship between power ground GND1 so that between power input interface 1011 and rechargeable battery 20 and control interface
The connection type of common cathode or common-anode is respectively adopted between 1012 and rechargeable battery 20, with it is compatible realize it is solar powered and
Both battery charging functions of direct current supply have ensured the charging security of charging 20, and the first of rechargeable battery 20 supplies
Switching precision and rate with higher, easy to operate, solar powered or direct current between electrical circuit and the second current supply circuit
Power supply has higher flexibility and the scope of application.
It should be noted that the circuit structure of the power input interface 101 in the present embodiment and the electricity of control interface 1012
The circuit structure in traditional technology can be used to realize in line structure, for example, the circuit structure of control interface 1012 includes signal
Switching chip passes through the transmission that signal converting chip realizes solar energy signal.
As an alternative embodiment, the structure that Fig. 5 shows power detection module 102 provided in this embodiment is shown
Meaning, power detection module 102 includes: sampling unit 1021 and control unit 1022, and wherein sampling unit 1021 is defeated for power supply
Incoming interface 1011 and control interface 1012 realize that voltage sample function, control unit 1022 are adopted according to the voltage of sampling unit 1021
Sample result exports the first power supply signal or the second power supply signal.
Sampling unit 1021 is connect with power input interface 1011 and control interface 1012, detects power input interface 1011
Power positive end DC+ output voltage and control interface 1012 power supply positive terminal Solar+ input voltage.
When power input interface 1011 is respectively connected to DC power supply or sun-generated electric power, power input interface 1011
The confession of the output voltage of power positive end DC+ and the power positive end DC+ of power input interface 1011 and control interface 1012
Voltage between electric positive terminal Solar+ can also change, therefore sampling unit 1021 can monitor power input interface in real time
The voltage change situation of both 1011 and control interface 1012 output, the accuracy and sensitivity of detection is higher, and then according to adopting
The sampled result of sample unit 1021 can be accurately obtained the power supply type of the access of control interface 1012, so that charge control is cut
Changing circuit 10 can be realized accurate switching between DC charging mode and solar recharging mode, and controllability is extremely strong.
Control unit 1022 is connect with sampling unit 1021 and polarity switching module 103, and control unit 1022 detects power supply
The input electricity of the power supply positive terminal Solar+ of the output voltage and control interface 1012 of the power positive end DC+ of input interface 1011
Whether pressure meets the first preset condition, output voltage and control as the power positive end DC+ for determining power input interface 1011
The input voltage of the power supply positive terminal Solar+ of interface 1012 meets the first preset condition, then exports the first power supply signal, and
Detect the output voltage of the power positive end DC+ of power input interface 1011 and the power supply positive terminal Solar+ of control interface 1012
Input voltage access voltage whether meet the second preset condition, when determine power input interface 1011 power positive end DC
+ output voltage and control interface 1012 power supply positive terminal Solar+ input voltage meet the second preset condition, then export
Second power supply signal.
Wherein control unit 1022 can accurately judge that out that power supply is defeated according to the voltage sample result of sampling unit 1012
The power supply type that incoming interface 1011 accesses, and then corresponding power supply signal is exported, polarity switching module is changed by power supply signal
103 electric power polarity switching state, the solar powered detection with direct current supply with higher of charge control switching circuit 10
Precision and switching control response accuracy；Therefore the control unit 1022 in the present embodiment is according to the power supply of power input interface 1011
The input voltage of the power supply positive terminal Solar+ of the output voltage and control interface 1012 of positive terminal DC+, the two are pre- with first
If the relationship between condition and the second preset condition, then rechargeable battery 20 is made to carry out DC charging or solar charging respectively
Electricity further simplifies charge control switching circuit 10 and direct current supply or both solar powered switching controls is walked
Suddenly.
Illustratively, the first preset condition are as follows:
In continuous first preset time, the output voltage of the power positive end DC+ of power input interface 1011 is greater than
First predeterminated voltage, and the input voltage of the power supply positive terminal Solar+ of control interface 1012 is less than the second predeterminated voltage.
Wherein, the first predeterminated voltage and the second predeterminated voltage are and preset, and the first predeterminated voltage is greater than second
Predeterminated voltage.
Illustratively, the first preset time is 600 milliseconds, and the first predeterminated voltage is 8V, and the second predeterminated voltage is 6V.
When power input interface 1011 power positive end DC+ continuing for some time it is interior maintain higher level state,
And the power supply positive terminal Solar+ of control interface 1012 is continuing for some time the interior lower level state of maintenance, then illustrates electricity
Source input interface 1011 accesses DC power supply, and the power positive end DC+ of power input interface 1011 exports direct current signal, because
This meets the first preset condition when the voltage of 1012 the two of power input interface 1011 and control interface, then determines power input
Interface 1011 accesses DC power supply, has greatly ensured that the switching control of the power supply mode of charge control switching circuit 10 is accurate
Property.
Second preset condition are as follows:
In continuous second preset time, the output voltage of the power positive end DC+ of power input interface 1011 is less than
Third predeterminated voltage, and the input voltage of the power supply positive terminal Solar+ of control interface 1012 is greater than the 4th predeterminated voltage.
Optionally, third predeterminated voltage is less than the 4th predeterminated voltage, and then the present embodiment passes through power input interface 1011
Power positive end DC+ output voltage and third predeterminated voltage between difference amplitude and control interface 1012 power supply
Whether difference amplitude between the input voltage of positive terminal Solar+ and the 4th predeterminated voltage can obtain power input interface 1011
Sun-generated electric power is accessed, the power supply type judgment step that control unit 1022 accesses power input interface 1011 is simplified.
Wherein the first preset time and the second preset time are equal, and then control unit 1022 can judge in equivalent condition
Whether the voltage that the voltage and control interface 1012 that power input interface 1011 exports access meets the second preset condition, it is ensured that
The judgment accuracy of control unit 1022.
As an alternative embodiment, control unit 1022 is connect with rechargeable battery 20, it is right by rechargeable battery 20
Control unit 1022 is powered, to ensure the job stability of control unit 1022.
Illustratively, sampling unit 1021 is ADC sample circuit, and control unit 1022 is CPU (Central
ProcessingUnit, central processing unit)；Therefore the present embodiment is realized in combination with sampling unit 1021 and control unit 1022
The function of voltage sample and power supply type judgement, the circuit structure of power detection module 102 scalability with higher and simultaneous
Capacitive.
As an alternative embodiment, Fig. 6 shows the specific electricity of polarity switching module 103 provided in this embodiment
Line structure signal, referring to Fig. 6, polarity switching module 103 include: first resistor R1, second resistance R2, first switch tube M1,
First diode D1 and relay K1.
Wherein, the first end of first resistor R1 and the first end of second resistance R2 are connected to control unit 102, first resistor altogether
The control terminal of the second termination first switch tube M1 of R1, the second end of second resistance R2 and the first conducting of first switch tube M1
End；The conducting of first switch tube M1 can be changed in the first power supply signal or the second power supply signal exported by control unit 102
Or off state, so that the inside of charge control switching circuit 10 forms different current supply circuits.
Wherein first resistor R1 has the function of current limliting, to prevent the control terminal of first switch tube M1 from accessing voltage magnitude mistake
Big electric energy.
The first end of the coil of relay K1 and the anode of first diode D1 are connected to the second of first switch tube M1 altogether and lead
Go side.
The second end of the coil K1-1 of relay K1 and the cathode of first diode D1 connect to form polarity switching module 103 altogether
Switching control end.
The first input contact K1-2 of relay K1 is the input terminal of polarity switching module 103.
The first output contact K1-3 of relay K1 is 103 first output end of polarity switching module.
The second output contact K1-4 of relay K1 is the second output terminal of polarity switching module 104.
Optionally, first switch tube M1 is metal-oxide-semiconductor or triode.
Illustratively, first switch tube M1 is NMOS tube, and the grid of NMOS tube is the control terminal of first switch tube M1, NMOS
The source electrode of pipe is the first conduction terminal of first switch tube M1, and the drain electrode of NMOS tube is the second conduction terminal of first switch tube M1；Cause
This present embodiment controls first switch tube M1 by the first power supply signal or the second power supply signal and is connected or is turned off, after
The coil K1-1 of electric appliance accesses different electric energy, to be attracted the input contact K1-2 of the first output contact K1-3 and first, or inhales
The input contact K1-2 of the second output contact K1-4 and first is closed, to change between power input interface 1011 and rechargeable battery 20
Electric power polarity connection type, or change the electric power polarity connection type between power input interface 1011 and rechargeable battery 20,
Realize direct current supply and it is solar powered between rapid switching function.
In order to polarity switching module 103 in the present embodiment be better described for the switching control step of electric power polarity, under
Face will illustrate the working principle of polarity switching module 103 in conjunction with 1~attached drawing of attached drawing 6, specific as follows:
DC charging mode: when power input interface 1011 is inserted into DC power supply, control unit 1022 is by adopting
The voltage sample of sample unit 1021 has exterior power supply insertion as a result, detecting and obtaining power input interface 1011, while continuous
In 600ms, the output voltage of the power positive end DC+ of power input interface 1011 is greater than 8V, and the power supply of control interface 1012 is just
The input voltage of extreme Solar+ is zero or the input voltage of the power supply positive terminal Solar+ of control interface 1012 is less than 6V, control
Unit 1022 processed then determines that the exterior power supply for being linked into power input interface 1011 at this time is DC power supply；Then control unit 1022
First power supply signal of output is low level, and first switch tube M1 is in off state, the first conduction terminal of first switch tube M1
And second turn off between conduction terminal, relay K1 is in off position, so that the first output contact K1-3 of relay K1
It is connected between the first input contact K1-2 of relay K1, and then the power cathode end DC- of power input interface 1011 connects and is
System ground GND1, and then power input interface 1011 and rechargeable battery 20 use common cathode connection type, the first current supply circuit is connected,
Can be safely by DC signal output to rechargeable battery 20 by the first current supply circuit, and then ensured the straight of rechargeable battery 20
Electrical efficiency on stream.
Solar recharging mode: when power input interface 1011 is inserted into sun-generated electric power, control unit 1022 is according to adopting
The sampled result of sample unit 1021 obtains: within continuous 600 milliseconds of time, the power positive end DC+ of power input interface 1011
Output voltage be less than 6V, and control interface 1012 power supply positive terminal Solar+ input voltage be greater than 8V, then illustrate electricity
Source input interface 1011 exports solar energy signal to control interface 1012, and control interface 1012 enters solar recharging mode；
The second power supply signal that control unit 1022 exports at this time is high level, leads first switch tube M1 by the second power supply signal
Logical, relay K1 is in running order, then the coil K1-1 of relay is attracted the first input contact K1-2 and the second output contact
K1-3；The power cathode end DC- of so power input interface 1011 is directly switched to power ground GND2, passes through control interface
1012 carry out solar recharging for rechargeable battery 20, and have ensured solar powered stability and reliability.
Therefore the present embodiment by polarity switching module 103 can rapidly change power input interface 1011, control connect
Electric power polarity connection type between mouthfuls 1012 and rechargeable battery 20, rechargeable battery 20 can automatic compatible direct current charging modes and
Solar recharging mode has ensured the internal electric energy storage compatibility of rechargeable battery 20.
As an alternative embodiment, Fig. 7 shows the another kind of Power Entry Module 101 provided in this embodiment
Good structural representation, compared to the structural representation that Fig. 5 shows Power Entry Module 101, the Power Entry Module 101 in Fig. 7 is also wrapped
Include protection location 1013；Wherein, protection location 1013 is connected to power supply output end Solar+ and the control of power input interface 1011
Between the power supply positive terminal Solar+ of interface 1012 processed, when power input interface 1011 accesses sun-generated electric power, to solar energy
Signal carries out reverse-filling and protects
Wherein in the power supply positive terminal of power supply the output end Solar+ and control interface 1012 of power input interface 1011
Power transm ission corridor is established between Solar+, and then when power input interface 1011 accesses sun-generated electric power, control interface
1012 can real-time reception to solar energy signal so that corresponding solar energy signal can be transmitted in the second current supply circuit；This
Embodiment can be prevented by protection location 1013 when carrying out solar powered in time, and control interface 1012 is by solar-electricity
It counter can fill the list for being merely able to keep electric energy between power input interface 1011 and control interface 1012 to power input interface 1011
To transmitting；And then when power input interface 1011 accesses sun-generated electric power, control interface 1012 can be connected second in time
Current supply circuit, that is, ensured the solar charging electrical efficiency of rechargeable battery 20, and improves the object of power input interface 1011 itself
Safety is managed, the electric energy loss during solar recharging is reduced.
Illustratively, protection location 1013 includes two Schottky diodes in parallel, and wherein Schottky diode has
The function of low reverse current leakage, the anode of two Schottky diodes connect the power supply output end of power input interface 1011
Solar+, the cathode of two Schottky diodes meet the power supply positive terminal Solar+ of control interface 1012；Therefore protection location
1013 have more simplified circuit structure, improve the peace of the in-line power mode switching control of charge control switching circuit 10
Full property and compatibility.
As an alternative embodiment, Fig. 8 shows the another kind of Power Entry Module 101 provided in this embodiment
Good structural representation, compared to the structural representation that Fig. 5 shows Power Entry Module 101, the Power Entry Module 101 in Fig. 8 is also wrapped
Include current limiting unit 1014 and filter unit 1015.
Wherein, current limiting unit 1014 is connected to the power supply output end Solar+ and control interface of power input interface 1011
Between 1012 power supply positive terminal Solar+, current limiting unit 1014 carries out current-limiting protection to solar energy signal
When rechargeable battery 20 is in solar recharging mode, then the power supply positive terminal Solar+ of control interface 1012 is received
Solar energy signal, since the amplitude of solar energy signal can have a degree of unstability, and then the present embodiment passes through current limliting
The range of safety can be arranged in the current amplitude of solar energy signal by unit 1014 in time, and then by after current-limiting protection
Solar energy signal realizes safe charge function to rechargeable battery 20, there is more stable solar-electricity in the second current supply circuit
Can, it prevents when carrying out solar recharging, rechargeable battery 20 is in the electric energy transmission state of overcurrent；Power supply in the present embodiment is defeated
Enter the electric energy physical security performance with higher of module 101.
The power supply of the power supply output end Solar+ and control interface 1012 of filter unit 1015 and power input interface 1011
Positive terminal Solar+ connection, filter unit 1015 are filtered solar energy signal.
Wherein, filter unit 1015 can eliminate noise component(s) of the solar energy signal in transmission process, so that the sun
Energy signal keeps the higher electric energy transmission performance of precision in the second current supply circuit, improves rechargeable battery 20 in solar recharging
Stability and compatibility under mode, and then can be realized more preferably to rechargeable battery 20 by the solar energy signal after filtering processing
Charging performance, charge control switching circuit 10 can be realized safer solar power supply function, prevents rechargeable battery 20
Interference of the solar charging electric process by outside noise.
To which the present embodiment is by combining current limiting unit 1014 and filter unit 1015 to ensure the transmission of solar energy signal
Stability and compatibility, Power Entry Module 101 have higher electric energy compatible transmission performance.
As an alternative embodiment, Fig. 9 shows current limiting unit 1014 and filter unit provided in this embodiment
1015 circuit structure signal, referring to Fig. 9, current limiting unit 1014 includes the first current-limiting resistance RS1 and the second current-limiting resistance
RS2, wherein the power supply output end Solar+ of the first termination power input interface 1011 of the first current-limiting resistance RS1, the first current limliting
The second end of resistance RS1 and the first end of the second current-limiting resistance RS2 are connected to the power supply positive terminal Solar+ of control interface 1012 altogether,
The second end of second current-limiting resistance RS2 is grounded GND.
As shown in figure 9, filter unit 1015 includes: the first filter capacitor CS1 and the second filter capacitor CS2, wherein first
The first end of filter capacitor CS1 and the first end of the second filter capacitor CS2 be used to connect power input interface 1011 for electricity output
Hold the second end and the second filtered electrical of power supply the positive terminal Solar+, the first filter capacitor CS1 of Solar+ and control interface 1012
The second end for holding CS2 is connected to ground GND altogether, and then the present embodiment believes solar energy by combining filter capacitor in parallel to realize
Filter function number in transmission process, circuit structure are simple.
Figure 10 shows the detailed process signal of charge control switching method provided in this embodiment, referring to Fig. 10, filling
Electric control switching method is applied to rechargeable battery, and charge control switching method includes:
S1001: the type of input power is detected；Wherein input power provides electric energy to rechargeable battery, to realize charging electricity
The charge function in pond.
S1002: judge the type of input power for DC power supply or sun-generated electric power；Wherein DC power supply and solar energy
Power supply has entirely different power supply mode.
S1003: if it is determined that input power belongs to DC power supply, then by the cathode of the negative pole end of DC power supply and rechargeable battery
End is attached, and the positive terminal of DC power supply is isolated with the positive terminal of rechargeable battery, and the first of rechargeable battery is supplied
Electrical circuit is connected, to charge to rechargeable battery.
Under DC charging mode, DC power supply and rechargeable battery have ensured charging electricity using the connection type of common cathode
The charge efficiency and safety in pond.
S1004: if it is determined that input power belongs to sun-generated electric power, then by the negative pole end of sun-generated electric power and rechargeable battery
Power cathode end is isolated, and the positive terminal of the positive terminal of sun-generated electric power and rechargeable battery is attached, by charging electricity
Second current supply circuit in pond is connected, to charge to rechargeable battery.
Under solar recharging mode, DC power supply and rechargeable battery are charged using the connection type of common-anode with ensureing
Stability and safety of the battery under solar recharging mode.
It should be noted that the charge control switching method in Figure 10 is opposite with the charge control switching circuit 10 in Fig. 1
It answers, therefore the embodiment about each operating procedure of charge control switching method in Figure 10 can refer to the implementation of Fig. 1 to Fig. 9
Example, will not be described in great detail herein.
Figure 11 shows the structural representation of charge control switching system 110 provided by the embodiment, please refers to Figure 11, charging control
Switching system 110 processed includes: charge control switching circuit 10 as described above and rechargeable battery 20, and rechargeable battery 20 and charging are controlled
Switching circuit 10 processed connects, and rechargeable battery 20 is powered electrical equipment 30, and then the charge control switching in the present embodiment
The compatible DC power supply of circuit 10 and sun-generated electric power, when DC power supply or sun-generated electric power access, charge control switching
Circuit 10 can automatically switch corresponding current supply circuit, to realize itself energy-storage function of rechargeable battery 20, pass through rechargeable battery 20
The electric energy of itself storage can realize high-power power supply to electrical equipment 30, ensured the electric power safety of electrical equipment 30, given
The use of user brings greatly convenient.
In conclusion the charge control switching circuit 10 in the embodiment of the present invention realizes DC charging mode and solar energy
The automatic switchover of charging modes exports, and compatibility is stronger, this will play the development of electronic component charging technique in this field
To positive effect.
Various embodiments are described to various devices, circuit, device, system and or method herein.It elaborates very much
Specific details is to provide general construction, the function, system of the embodiment that the sum as described in the description is shown in the accompanying drawings
The thorough understanding made and used.However it will be understood by those skilled in the art that embodiment can be in not such certain detail
It is carried out in the case where section.In other examples, well known operation, component and element is described in detail, in order to avoid make in specification
In embodiment indigestion.It will be understood by those skilled in the art that being unrestricted in the embodiment with shown in herein
Property example, and therefore it can be appreciated that, can be in specific structure and function details disclosed herein representative and and different
The range of definite limitation embodiment.
Throughout the specification to " various embodiments ", " in embodiments ", " embodiment " or " embodiment party
The reference of formula " etc., which is meant, is included at least one embodiment about a particular feature, structure, or characteristic described in embodiment
In.Therefore, phrase " in various embodiments ", " in some embodiments ", " in one embodiment " or " implementing
In mode " etc. the appearance in appropriate place throughout the specification be not necessarily all referring to same embodiment.In addition, specific spy
Sign, structure or characteristic can combine in any suitable manner in one or more embodiments.Implement accordingly, with respect to one
The a particular feature, structure, or characteristic that mode shows or describes can entirely or partly with one or more of the other embodiment spy
Sign, structure or characteristic are combined, without assuming that such combination is not illogical or non-functional limitation.Any side
To with reference to (for example, add, subtract, top, lower part, upwards, downwards, the left side, the right, to the left, to the right, top, bottom ...
On ... under, it is vertical, horizontal, clockwise and anticlockwise) purpose to be for identification to help reader to understand present disclosure,
And limitation is not generated, especially with regard to the position of embodiment, orientation or use.
Although describing certain embodiments above with some the level of detail, those of skill in the art can be to institute
Disclosed embodiment makes many changes without departing from the scope of the present disclosure.Connection is with reference to (for example, attachment, coupling, connection
Deng) should be widely interpreted, and may include the intermediate member between the connection of element and relative motion between elements.Cause
This, connection reference does not necessarily imply that two elements are directly connected to/couple and are in fixed relationship each other." such as " entire
Use in specification should be widely interpreted and for providing the non-limitative example of embodiment of the present disclosure, and the disclosure
It is not limited to such example.Being intended that all affairs for including in the foregoing description or be shown in the accompanying drawings should be interpreted only
It is illustrative rather than restrictive.The variation in details or structure can be made without departing from the disclosure.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of charge control switching circuit, connect with rechargeable battery, which is characterized in that the charge control switching circuit packet
It includes:
It is configured as the Power Entry Module of access DC power supply or sun-generated electric power；
It is connect with the Power Entry Module, is configured as detecting raw when the Power Entry Module accesses the DC power supply
At the first power supply signal, or detects and generate the second power supply signal when the Power Entry Module accesses the sun-generated electric power
Power detection module；And
It connect, is configured as institute according to first power supply signal with the power detection module and the Power Entry Module
The positive terminal of the power positive end and the rechargeable battery of stating Power Entry Module is isolated, and by the Power Entry Module
Power cathode end and the negative pole end of the rechargeable battery be attached, the first current supply circuit is connected；Or according to described
The positive terminal of the power positive end of the Power Entry Module and the rechargeable battery is attached by two power supply signals, and by institute
The power cathode end for stating Power Entry Module is isolated with the negative pole end of the rechargeable battery, the second current supply circuit is connected
Polarity switching module；
Wherein, the DC signal output that first current supply circuit is used to export DC power supply is to the rechargeable battery, with right
The rechargeable battery charges；
Second current supply circuit is for exporting the solar energy signal that sun-generated electric power exports to the rechargeable battery, to institute
Rechargeable battery is stated to charge.
2. charge control switching circuit according to claim 1, which is characterized in that the charge control switching circuit is also wrapped
It includes:
It is serially connected in first current supply circuit, is configured as carrying out the direct current signal electricity of voltage conversion and steady pressure treatment
Source adjustment module；
It is serially connected in first current supply circuit, is configured as converting the voltage into and the DC signal output after steady pressure treatment to institute
State the battery management module of rechargeable battery；And
It is serially connected in first current supply circuit, is configured as carrying out the rechargeable battery battery protection mould of surging prevention
Block.
3. charge control switching circuit according to claim 1, which is characterized in that the Power Entry Module includes:
It is connect with the power detection module and the polarity switching module, is configured as accessing the sun-generated electric power or institute
State the power input interface of DC power supply；With
It is connect with the power input interface and the polarity switching module, is configured as accessing institute when the power input interface
When stating sun-generated electric power, then the control interface of the solar energy signal is received.
4. charge control switching circuit according to claim 3, which is characterized in that the power input interface includes: electricity
Source positive terminal, power cathode end and solar powered output end；
The control interface includes: power positive end, power cathode end, power supply positive terminal and power supply negative pole end, wherein the control
The power cathode termination power of interface processed, the power supply positive terminal of the power positive end of the control interface and the control interface
Connection, the power cathode end of the control interface is connect with the power supply negative pole end of the control interface；
The cathode terminating systems of the rechargeable battery, the positive terminal of the rechargeable battery is serially connected in first current supply circuit
In second current supply circuit；
The power positive end of the power input interface is serially connected in first current supply circuit；
The solar powered output of the power input interface terminates the power supply positive terminal of the control interface, the power input
The power cathode of interface terminates the input terminal of the polarity switching module, and the first of the polarity switching module exports described in termination
Systematically, the second output terminal of the polarity switching module connects the power supply positive terminal of the control interface, the polarity switching mould
The switching control of block terminates the power detection module.
5. charge control switching circuit according to claim 4, which is characterized in that the power detection module includes:
It is connect with the power input interface and the control interface, is being configured as detecting the power supply of the power input interface just
The sampling unit of the input voltage of the power supply positive terminal of extreme output voltage and the control interface；With
It is connect with the sampling unit and the polarity switching module, is being configured as detecting the power supply of the power input interface just
Whether the input voltage of the power supply positive terminal of extreme output voltage and the control interface meets the first preset condition, works as judgement
The input voltage of the power supply positive terminal of the output voltage of the power positive end of the power input interface and the control interface is full
Foot first preset condition then exports first power supply signal, and the positive pole of the detection power input interface
Whether the voltage of the input voltage access of the power supply positive terminal of the output voltage at end and the control interface meets the second default item
Part, when the output voltage for the power positive end for determining the power input interface and the defeated of positive terminal of powering of the control interface
Enter voltage and meet second preset condition, then exports the control unit of the second power supply signal.
6. charge control switching circuit according to claim 5, which is characterized in that first preset condition are as follows:
In continuous first preset time, it is default that the output voltage of the power positive end of the power input interface is greater than first
Voltage, and the input voltage of the power supply positive terminal of the control interface is less than the second predeterminated voltage；
Second preset condition are as follows:
In continuous second preset time, the output voltage of the power positive end of the power input interface is default less than third
Voltage, and the input voltage of the power supply positive terminal of the control interface is greater than the 4th predeterminated voltage.
7. charge control switching circuit according to claim 4, which is characterized in that the polarity switching module includes:
First resistor, second resistance, first switch tube, first diode and relay；
Wherein, the first end of the first end of the first resistor and the second resistance is connected to described control unit altogether, and described
The control terminal of the second termination first switch tube of one resistance, the second end of the second resistance and the first switch tube
First conduction terminal；
The anode of the first end of the coil of the relay and the first diode is connected to the second of the first switch tube altogether
Conduction terminal；
The cathode of the second end of the coil of the relay and the first diode connects to form the polarity switching module altogether
Switching control end；
First input contact of the relay is the input terminal of the polarity switching module；
First output contact of the relay is the first output end of the polarity switching module；
Second output contact of the relay is the second output terminal of the polarity switching module.
8. charge control switching circuit according to claim 4, which is characterized in that the Power Entry Module further include:
It is connected between power supply output end and the power supply positive terminal of the control interface of the power input interface, is configured as
When the power input interface accesses the sun-generated electric power, the protection list of reverse-filling protection is carried out to the solar energy signal
Member.
9. charge control switching circuit according to claim 4, which is characterized in that the Power Entry Module further include:
It is connected between power supply output end and the power supply positive terminal of the control interface of the power input interface, is configured as
The current limiting unit of current-limiting protection is carried out to the solar energy signal；With
It connect, is configured as to institute with the power supply positive terminal of the power supply output end of the power input interface and the control interface
State the filter unit that solar energy signal is filtered.
10. a kind of charge control switching method is applied to rechargeable battery, which is characterized in that the charge control switching method packet
It includes:
Detect the type of input power；
Judge the type of the input power for DC power supply or sun-generated electric power；
If it is determined that the input power belongs to the DC power supply, then by the negative pole end of the DC power supply and the rechargeable battery
Negative pole end be attached, and the positive terminal of the DC power supply is isolated with the positive terminal of the rechargeable battery, by institute
The first current supply circuit for stating rechargeable battery is connected, to charge to the rechargeable battery；
If it is determined that the input power belongs to the sun-generated electric power, then by the negative pole end of the sun-generated electric power and the charging
The power cathode end of battery is isolated, and the positive terminal of the positive terminal of the sun-generated electric power and the rechargeable battery is carried out
Connection, the second current supply circuit of the rechargeable battery is connected, to charge to the rechargeable battery.
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| CN201910574371.3A CN110212613A (en) | 2019-06-28 | 2019-06-28 | A kind of charge control switching circuit and charge control switching method |
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| CN201910574371.3A CN110212613A (en) | 2019-06-28 | 2019-06-28 | A kind of charge control switching circuit and charge control switching method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111223414A (en) * | 2020-02-17 | 2020-06-02 | 深德彩光电(深圳)有限公司 | Display module assembly capable of being installed at any angle |
| CN112165140A (en) * | 2020-10-14 | 2021-01-01 | 维沃移动通信有限公司 | Charging and discharging control method and device and power supply equipment |
| CN112856303A (en) * | 2020-12-31 | 2021-05-28 | 广州爱宇森照明科技有限公司 | Charging lamp |
| CN114421446A (en) * | 2021-12-28 | 2022-04-29 | 歌尔科技有限公司 | Outdoor equipment power supply control method, power supply control system and outdoor equipment |
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| CN210430939U (en) * | 2019-06-28 | 2020-04-28 | 深圳市锐明技术股份有限公司 | Charging control switching circuit and charging control switching system |
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| JP2005312287A (en) * | 2004-03-25 | 2005-11-04 | Sharp Corp | Power supply |
| CN102480145A (en) * | 2010-11-30 | 2012-05-30 | 希姆通信息技术（上海）有限公司 | Mobile terminal |
| CN210430939U (en) * | 2019-06-28 | 2020-04-28 | 深圳市锐明技术股份有限公司 | Charging control switching circuit and charging control switching system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111223414A (en) * | 2020-02-17 | 2020-06-02 | 深德彩光电(深圳)有限公司 | Display module assembly capable of being installed at any angle |
| CN112165140A (en) * | 2020-10-14 | 2021-01-01 | 维沃移动通信有限公司 | Charging and discharging control method and device and power supply equipment |
| CN112856303A (en) * | 2020-12-31 | 2021-05-28 | 广州爱宇森照明科技有限公司 | Charging lamp |
| CN114421446A (en) * | 2021-12-28 | 2022-04-29 | 歌尔科技有限公司 | Outdoor equipment power supply control method, power supply control system and outdoor equipment |
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