CN209119885U - Solar energy movable power supply - Google Patents
Solar energy movable power supply Download PDFInfo
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- CN209119885U CN209119885U CN201822179571.2U CN201822179571U CN209119885U CN 209119885 U CN209119885 U CN 209119885U CN 201822179571 U CN201822179571 U CN 201822179571U CN 209119885 U CN209119885 U CN 209119885U
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of solar energy movable power supply involved by the utility model, including solar panel, charging circuit, battery circuit, discharge circuit and load circuit；Charging circuit input terminal is connect with solar panel output end, charging circuit output end is connect with battery circuit input terminal, and discharge circuit input terminal is connect with battery circuit output end, and load circuit is connect with discharge circuit output end, charging circuit is formed, is powered with load circuit.In use, converting solar energy into electric energy using solar panel, electric energy is stored in inside battery circuit by charging circuit, when electric discharge, battery circuit will be stored in internal electric energy and be powered in the form of current or voltage to load circuit.So that the not restricted when and where of the mobile power source is limited and is powered whenever and wherever possible for load circuit.Since the size of the solar panel is small, allow to carry convenient function.In addition, the utility model has function small in size, at low cost.
Description
[technical field]
The utility model relates to a kind of solar energy movable power supplies in daily life field.
[background technique]
In short supply due to environmental pollution and the energy, environmentally protective energy exploitation and application and power-saving technology, which have become, works as this life
Boundary's focus of attention.And solar energy is the resource be unableing to do without in consumer's daily life, while being also most rich in consumer's life
The environmentally friendly green energy of rich most rationality.At the same time, due to the multifunction of various digital products in the prior art
Trend, so that the power supply that the existing digital product itself carries is unable to satisfy the needs of digital product itself, in order to meet number
, then there is a kind of peripheral hardware charging equipment in the requirement of code product power consumption, that is, usually described mobile power source.In digital product
Use process, although the existing mobile power source can satisfy digital product power consumption requirement, the mobile power source
Storage electricity size is limited by production mobile power source Effect of Materials, so that user is when using digital product or mobile power source, because
Electricity size and make the influence for being limited by charging time or position, and cause to bring to user highly inconvenient.
[utility model content]
In view of this, the technical problem to be solved by the utility model is to provide one kind to have not restricted when and where limit
System carries convenient solar energy movable power supply.
Above-mentioned technical problem is solved thus, a kind of solar energy movable power supply of technical solution institute in the utility model, packet
Include solar panel, charging circuit, battery circuit, discharge circuit and load circuit；The charging circuit input terminal with
The connection of solar panel output end, the charging circuit output end are connect with battery circuit input terminal, the electric discharge
Circuit input end is connect with battery circuit output end, and the load circuit is connect with discharge circuit output end, forms charging
Circuit is powered with load circuit.
It further limits, the charging circuit includes chip U1, is connected to chip U1 pin 2 and pin 8 electricity above
Hinder R2, resistance R3；The capacitor C2 being connected between chip U1 pin 1 and the resistance R3 other end；It is connected to chip U1 pin
6, pin 7 instruction from above lamp LED2, indicator light LED1；It is connected to indicator light LED2, in addition indicator light LED1 is shared on one end
Resistance R1, the capacitor C1 being connected between chip U1 pin 4 and the end GND.
It further limits, the model CN3065 chip of the chip U1, which is the list for solar panels power supply
Save lithium battery charging management chip.
It further limits, the discharge circuit includes chip U2；It is connected to 6 resistance R6 of chip U2 pin, is connected to chip
Inductance L1 between U2 pin 4 and pin 1；The resistance R7 and resistance R10 being connected on chip U2 pin 3, resistance R7 and resistance
R10 is connected in parallel；The capacitor C4 being connected between chip U2 pin 4 and the end GND, capacitor C5, between capacitor C4 and capacitor C5 simultaneously
Connection connection；The capacitor C6 being connected between resistance R7 and the both ends resistance R10；It is connected to the resistance R7 other end and the inductance L1 other end
Between diode D1；The USB interface being connected between the both ends capacitor C6, the resistance R8 being connected in parallel on USB interface respectively,
Resistance R8.
It further limits, the model FP6291 chip of the chip U2, which is constant current mode with excess temperature
It protects, cut-off protection, under-voltage protection, the PWM boosting IC of overcurrent protection function.
It further limits, the battery circuit is internally provided with the protection circuit of charge and discharge, which includes core
Piece U3 is connected to capacitor C3 and resistance R4, the capacitor C3 and resistance R4 on chip U3 pin 5 and is connected in parallel；And and capacitor
Battery together is connected in series in C3 and resistance R4；It is connected to chip U3 pin 1, the metal-oxide-semiconductor Q1 on pin 3, metal-oxide-semiconductor
Q2, metal-oxide-semiconductor Q1 are connected with metal-oxide-semiconductor Q2；The resistance R5 being connected on chip U3 pin 2；The model of the chip U3
Chip S8261A.
It further limits, the size of the solar panel is 115 millimeters X51 millimeters, operating voltage 5V, maximum work
Making electric current is 100 milliamperes, and maximum short circuit current is 120 milliamperes.
The advantageous effects of the utility model: because the technical program uses the charging circuit input terminal and solar-electricity
The connection of pond plate output end, the charging circuit output end are connect with battery circuit input terminal, the discharge circuit input
End is connect with battery circuit output end, and the load circuit is connect with discharge circuit output end, forms charging circuit, with negative
Carry circuit power supply.In use, converting solar energy into electric energy using solar panel, electric energy is stored in by charging circuit
Inside battery circuit, when electric discharge, the battery circuit will be stored in internal electric energy in the form of current or voltage to negative
Carry circuit power supply.So that the not restricted when and where of the mobile power source is limited and is powered whenever and wherever possible for load circuit.
Since the size of the solar panel is small, allow to carry convenient function.In addition, production similar with the prior art
Product are compared to each other, and the utility model has function small in size, at low cost.
With reference to the accompanying drawings and examples, the technical solution of the utility model is described in further detail.
[Detailed description of the invention]
Fig. 1 is the block diagram of solar energy movable power supply in the utility model；
Fig. 2 is the circuit diagram of charging circuit in the utility model；
Fig. 3 is the circuit diagram of discharge circuit in the utility model；
Fig. 4 is the schematic rear view that circuit is protected in the utility model.
[specific embodiment]
In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with
Under in conjunction with the accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Shown in please refer to figs. 1 to 4, illustrate a kind of solar energy movable power supply below with reference to embodiment comprising solar energy
Solar panel, charging circuit, battery circuit, discharge circuit and load circuit.The charging circuit input terminal and solar-electricity
The connection of pond plate output end, the charging circuit output end are connect with battery circuit input terminal, the discharge circuit input
End is connect with battery circuit output end, and the load circuit is connect with discharge circuit output end, forms charging circuit, with negative
Carry circuit power supply.
The size of the solar panel is 115 millimeters X51 millimeters, operating voltage 5V, maximum operating currenbt 100
Milliampere, maximum short circuit current is 120 milliamperes.The battery rating is 2600Mah.The charging circuit includes chip
U1 is connected to chip U1 pin 2 and pin 8 uppermost resistive R2, resistance R3；It is another with resistance R3 to be connected to chip U1 pin 1
Capacitor C2 between one end；It is connected to chip U1 pin 6, pin 7 instruction from above lamp LED2, indicator light LED1；Connection
The resistance R1 on one end is in addition shared, is connected between chip U1 pin 4 and the end GND in indicator light LED2, indicator light LED1
Capacitor C1.The model CN3065 chip of the chip U1, the chip are the single lithium battery chargings for solar panels power supply
Managing chip.In the charge circuit, the anode and cathode at the end PV+ and the end PV- difference solar panel, the end P+ and the end P- difference
For the input terminal of charging circuit.Working principle are as follows: when input voltage is greater than threshold voltage and current terminal voltage, the chip U1
Start to charge to battery, the indicator light LED2 is lit, into charged state.In charging, if the end electricity of battery
Pressure is greater than 3V, then skips trickle, be directly entered constant-current charging phase, and when indicator light LED1 is lighted, expression battery circuit is filled
Full, charge cycle terminates.In entire charging process, pass through trickle, constant current, constant pressure three phases respectively.In the charging electricity
Lu Zhong, the resistance R1 are current-limiting resistance, and diode is issued in protection to be burned because of overcurrent, and the size of charging circuit is
It is determined by the end ISET voltage and resistance R2 ratio.The resistance R3 is for adjusting constant-voltage charge voltage, in addition charge protection inputs
The size at end determines.
The discharge circuit includes chip U2；It is connected to 6 resistance R6 of chip U2 pin, be connected to chip U2 pin 4 and is drawn
Inductance L1 between foot 1；The resistance R7 and resistance R10 being connected on chip U2 pin 3, resistance R7 and resistance R10 are connected in parallel；
The capacitor C4 being connected between chip U2 pin 4 and the end GND, capacitor C5 are connected in parallel between capacitor C4 and capacitor C5；It is connected to
Capacitor C6 between resistance R7 and the both ends resistance R10；The diode being connected between the resistance R7 other end and the inductance L1 other end
D1；The USB interface being connected between the both ends capacitor C6, the resistance R8 being connected in parallel on USB interface respectively, resistance R8.It is described
The function of discharge circuit is the voltage for being converted into the voltage of battery to charge to digital product.The type of the chip U2
Number be FP6291 chip, the chip be constant current mode PWM boost IC, the PWM boost IC have overheat protector, shutdown protection,
The functions such as under-voltage protection and overcurrent protection, the capacitor C5's, capacitor C6 primarily serves filter action, and guarantee is added to core
Voltage is more smooth above piece U2, and it in normal use is connect with the end VCC that the end GND, which is enabled pin, the OC pin
Resistance R6 between ground determines the size of output electric current.
The battery circuit is internally provided with the protection circuit of charge and discharge, which includes chip U3, is connected to
Capacitor C3 and resistance R4, the capacitor C3 and resistance R4 are connected in parallel on chip U3 pin 5；And it is gone here and there with capacitor C3 and resistance R4
Join the battery connected；Be connected to chip U3 pin 1, the metal-oxide-semiconductor Q1 on pin 3, metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q1 with
Metal-oxide-semiconductor Q2 is connected；The resistance R5 being connected on chip U3 pin 2；The model chip S8261A of the chip U3.For
Avoid accumulator super-charge, over-discharge and influence its service life, the protection electricity is provided between charging circuit and battery
Road prevents accumulator super-charge.In the protection circuit, the end P+ connects the output end of charging circuit with the end P-, is charging
In the process, when cell voltage is more than 4.3V, the CO pin output signal of the chip U3 drives metal-oxide-semiconductor Q2 to end, thus
Charging circuit is disconnected, realizes the function of overcharging protection.During discharge, when the voltage at battery both ends is less than 2.5V, institute
The DO pin output signal of the chip U3 stated drives metal-oxide-semiconductor Q1 to end, to disconnect discharge circuit, realizes the function of Cross prevention
Energy.When the VM pin is current detecting end output circuit, the conduction voltage drop of the metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 increase severely, so that
VM pin voltage increases immediately, drives metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 to end to control chip U3 output signal, to realize
The function of electric current and short-circuit protection.
In conclusion because the technical program uses the charging circuit input terminal to connect with solar panel output end,
The charging circuit output end is connect with battery circuit input terminal, and the discharge circuit input terminal and battery circuit are defeated
Outlet connection, the load circuit are connect with discharge circuit output end, are formed charging circuit, are powered with load circuit.It uses
When, electric energy is converted solar energy into using solar panel, electric energy is stored in inside battery circuit by charging circuit,
When electric discharge, the battery circuit will be stored in internal electric energy and be powered in the form of current or voltage to load circuit.To
So that the not restricted when and where of the mobile power source is limited and is powered whenever and wherever possible for load circuit.Due to the solar-electricity
The size of pond plate is small, allows to carry convenient function.In addition, being compared to each other with prior art similar product, this reality
There is function small in size, at low cost with novel.
Above by reference to the preferred embodiment of Detailed description of the invention the utility model, not thereby limit to the right of the utility model
Range.Those skilled in the art do not depart from made any modification, equivalent replacement in the scope of the utility model and essence and change
Into should all be within the interest field of the utility model.
Claims (7)
1. a kind of solar energy movable power supply comprising solar panel, charging circuit, battery circuit, discharge circuit and
Load circuit；It is characterized by: the charging circuit input terminal is connect with solar panel output end, the charging circuit
Output end is connect with battery circuit input terminal, and the discharge circuit input terminal is connect with battery circuit output end, described
Load circuit connect with discharge circuit output end, formed charging circuit, powered with load circuit.
2. a kind of solar energy movable power supply according to claim 1, it is characterised in that: the charging circuit includes chip U1,
It is connected to chip U1 pin 2 and pin 8 uppermost resistive R2, resistance R3；It is connected to chip U1 pin 1 and the resistance R3 other end
Between capacitor C2；It is connected to chip U1 pin 6, pin 7 instruction from above lamp LED2, indicator light LED1；It is connected to finger
Show in addition lamp LED2, indicator light LED1 share the resistance R1 on one end, the capacitor being connected between chip U1 pin 4 and the end GND
C1。
3. a kind of solar energy movable power supply according to claim 2, it is characterised in that: the model CN3065 of the chip U1
Chip, the chip are the single lithium battery charging management chips for solar panels power supply.
4. a kind of solar energy movable power supply according to claim 1, it is characterised in that: the discharge circuit includes chip U2；
It is connected to 6 resistance R6 of chip U2 pin, the inductance L1 being connected between chip U2 pin 4 and pin 1；It is connected to chip U2 pin
Resistance R7 and resistance R10 on 3, resistance R7 and resistance R10 are connected in parallel；The electricity being connected between chip U2 pin 4 and the end GND
Hold C4, capacitor C5 is connected in parallel between capacitor C4 and capacitor C5；The capacitor C6 being connected between resistance R7 and the both ends resistance R10；
The diode D1 being connected between the resistance R7 other end and the inductance L1 other end；The USB interface being connected between the both ends capacitor C6,
The resistance R8 being connected in parallel on USB interface respectively, resistance R8.
5. a kind of solar energy movable power supply according to claim 4, it is characterised in that: the model of the chip U2
FP6291 chip, the chip are having overheat protector, cut-offfing protection, under-voltage protection, the PWM of overcurrent protection function for constant current mode
Boost IC.
6. a kind of solar energy movable power supply according to claim 1, it is characterised in that: the battery circuit is internally provided with
The protection circuit of charge and discharge, the protection circuit include chip U3, are connected to capacitor C3 and resistance R4 on chip U3 pin 5, described
Capacitor C3 is connected in parallel with resistance R4；And battery together is connected in series with capacitor C3 and resistance R4；It is connected to core
Piece U3 pin 1, the metal-oxide-semiconductor Q1 on pin 3, metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q1 are connected with metal-oxide-semiconductor Q2；It is connected to chip U3 pin 2
On resistance R5；The model chip S8261A of the chip U3.
7. a kind of solar energy movable power supply according to claim 1, it is characterised in that: the size of the solar panel is
115 millimeters X51 millimeters, operating voltage 5V, maximum operating currenbt is 100 milliamperes, and maximum short circuit current is 120 milliamperes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822179571.2U CN209119885U (en) | 2018-12-24 | 2018-12-24 | Solar energy movable power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822179571.2U CN209119885U (en) | 2018-12-24 | 2018-12-24 | Solar energy movable power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209119885U true CN209119885U (en) | 2019-07-16 |
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ID=67208577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822179571.2U Active CN209119885U (en) | 2018-12-24 | 2018-12-24 | Solar energy movable power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209119885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116938081A (en) * | 2023-07-20 | 2023-10-24 | 德州科辉太阳能有限公司 | Solar mobile power supply |
-
2018
- 2018-12-24 CN CN201822179571.2U patent/CN209119885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116938081A (en) * | 2023-07-20 | 2023-10-24 | 德州科辉太阳能有限公司 | Solar mobile power supply |
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