CN209358494U - Utilize the charging unit of photovoltaic power generation - Google Patents
Utilize the charging unit of photovoltaic power generation Download PDFInfo
- Publication number
- CN209358494U CN209358494U CN201821818150.3U CN201821818150U CN209358494U CN 209358494 U CN209358494 U CN 209358494U CN 201821818150 U CN201821818150 U CN 201821818150U CN 209358494 U CN209358494 U CN 209358494U
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- Prior art keywords
- voltage
- charging
- solar panel
- terminal
- charging terminal
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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)
- Secondary Cells (AREA)
Abstract
The utility model discloses the charging units using photovoltaic power generation, including solar panel, voltage regulator circuit, the first charging terminal, solar panel output end is connect with voltage regulator circuit input terminal, first charging terminal and circuit output end of pressure-stabilizing are electrically connected, solar panel generates DC voltage through photovoltaic conversion, voltage regulator circuit carries out steady pressure treatment to DC voltage to export burning voltage by the first charging terminal, and the product of outside need charging is charged by the first charging terminal.Above-mentioned utility model is able to solve charging unit and is easy to appear the unstable problem of output voltage.
Description
Technical field
The utility model relates to a kind of charging units using photovoltaic power generation.
Background technique
The current charging unit majority using solar photovoltaic technology is designed using header box diode reverse-filling,
During the charging process, prevent capacitor from generating electricity over the ground using diode, what it is due to input is direct current, so the electric current on inductance with
Certain ratio is linearly increasing, and when charging, inductance absorbs energy, and inductance releases energy when electric discharge.If capacitance is sufficiently large,
Output end can keep a lasting electric current in power generation process.But such design easilys lead to output voltage not
Stablize.
Based on this, provide it is a kind of be able to solve the unstable charging unit of output voltage, be technology urgently to be resolved at present
Problem.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of chargings using photovoltaic power generation
Device can solve charging unit and be easy to appear the unstable problem of output voltage.
To achieve the above objectives, the present invention adopts the following technical solutions:
Utilize the charging unit of photovoltaic power generation, including solar panel, voltage regulator circuit, the first charging terminal, solar energy face
Plate output end is connect with voltage regulator circuit input terminal, and the first charging terminal and circuit output end of pressure-stabilizing are electrically connected, solar panel
DC voltage is generated through photovoltaic conversion, voltage regulator circuit carries out steady pressure treatment to DC voltage with steady by the output of the first charging terminal
The product of constant voltage, outside need charging is charged by the first charging terminal.
Luminous energy is generated DC voltage by solar panel after photovoltaic conversion, by voltage regulator circuit to DC voltage into
For row steady pressure treatment to generate stable voltage, which is transmitted to the charging terminal being electrically connected with circuit output end of pressure-stabilizing by filling
Electric terminal output.
Preferably, voltage regulator circuit further includes voltage stabilizing chip, and the first charging terminal is connect with voltage stabilizing chip output end, pressure stabilizing core
Piece feeds back the voltage got and exports 5V burning voltage by the first charging terminal.
Preferably, voltage regulator circuit further include first resistor, sample resistance, feedback resistance, freewheeling diode, energy storage inductor,
Filter capacitor, feedback capacity,
Voltage stabilizing chip input terminal is connect by first resistor with enabled pin, and the first charging terminal is by energy storage inductor and surely
The connection of chip switch node is pressed, voltage stabilizing chip switching node passes through filtered electrical by freewheeling diode minus earth, energy storage inductor
Hold plus earth, feedback capacity is connect with voltage stabilizing chip current feedback terminal with feedback resistance, and feedback capacity is equal with feedback resistance
It is connect by energy storage inductor with voltage stabilizing chip switching node, voltage stabilizing chip current feedback terminal is grounded by sample resistance；
Voltage stabilizing chip obtains the voltage fed back by feedback resistance, feedback capacity and sample resistance by current feedback terminal, and
5V burning voltage is exported by the first charging terminal.
Preferably, the first charging terminal include the Micro-USB plug being connect with voltage stabilizing chip output end, 2.0mm plug,
One of Mini-USB plug, USB female seat are a variety of.
It preferably, further include the second charging terminal, the second charging terminal is directly connected to solar panel output end with defeated
6V DC voltage out, the second charging terminal are 5.5-2.1mm plug.
It preferably, further include frame, circuit board connection jaws, solar panel is socketed in frame, and voltage regulator circuit is encapsulated in
Inside solar panel, solar panel is connect by line outlet with circuit board connection jaws, and the first charging terminal passes through circuit board
Connection jaws and circuit output end of pressure-stabilizing are electrically connected.
It preferably, further include frame, circuit board connection jaws, solar panel is socketed in frame, and voltage regulator circuit is encapsulated in
Inside solar panel, solar panel is connect by line outlet with circuit board connection jaws, and the second charging terminal passes through circuit board
Connection jaws and solar panel output end are electrically connected.
Compared with prior art, the utility model has the beneficial effects that:
Using solar panel, luminous energy is generated into DC voltage after photovoltaic conversion, voltage regulator circuit to DC voltage into
To export burning voltage by charging terminal, the product of outside need charging is charged row steady pressure treatment by charging terminal.The benefit
With the charging unit of photovoltaic power generation, it is able to solve charging unit and is easy to appear the unstable problem of output voltage.
Detailed description of the invention
Fig. 1 is the circuit diagram of the charging unit using photovoltaic power generation of the utility model preferred embodiment；
Fig. 2 is the structural schematic diagram of the charging unit using photovoltaic power generation of the utility model preferred embodiment.
In figure: 100, solar panel；201,5.5-2.1mm plug；202, Micro-USB plug；203,2.0mm is inserted
Head；204, Mini-USB plug；205, USB female seat；300, frame；400, circuit board connection jaws.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model:
Referring to Figure 1, Fig. 2, the utility model relates to a kind of charging unit using photovoltaic power generation, better embodiments
Including solar panel, voltage regulator circuit, the first charging terminal.
Embodiment 1: external luminous energy is converted to electric energy using photovoltaic conversion technology by the utility model, and external luminous energy is by too
It is positive can panel be converted to DC voltage, solar panel output end connect with voltage regulator circuit input terminal, the first charging terminal with surely
Volt circuit output end is electrically connected, and solar panel generates DC voltage through photovoltaic conversion, and voltage regulator circuit carries out DC voltage
For steady pressure treatment to export burning voltage by the first charging terminal, this utilizes the charging unit of photovoltaic power generation to pass through the first charging end
Son charges to the product for needing to charge.
Wherein, voltage regulator circuit further includes voltage stabilizing chip, and the first charging terminal is connect with voltage stabilizing chip output end, voltage stabilizing chip
It feeds back the voltage got and 5V burning voltage is exported by the first charging terminal.
Preferably, voltage regulator circuit includes electrolytic capacitor E1, capacitor C3 and voltage stabilizing chip, electrolytic capacitor E1 and capacitor C3 with
The VIN connection of voltage stabilizing chip input terminal, electrolytic capacitor E1 and capacitor C3 are grounded, and the 6V DC voltage that solar energy electroplax generates passes through
Voltage stabilizing chip input terminal is transferred to after electrolytic capacitor E1 and capacitor C3 filtering decompression.
Voltage regulator circuit further includes first resistor R1, sample resistance R2, feedback resistance R3, sustained diode 2, energy storage inductor
L2, filter capacitor E2, feedback capacity C4, voltage stabilizing chip IC2 input terminal VIN are connect by first resistor R1 with enabled pin EN,
First charging terminal is connect by energy storage inductor L2 with voltage stabilizing chip IC2 switching node SW, and voltage stabilizing chip IC2 switching node SW is logical
2 minus earth of sustained diode is crossed, energy storage inductor L2 passes through filter capacitor E2 plus earth, feedback capacity C4 and feedback resistance
R3 is connect with voltage stabilizing chip IC2 current feedback terminal FB, and feedback capacity C4 and feedback resistance R3 pass through energy storage inductor L2 and steady
2 switching node SW connection of chip IC is pressed, voltage stabilizing chip IC2 current feedback terminal FB is grounded by sample resistance R2.
Voltage stabilizing chip IC2 resistance R1, which enables pin EN offer high potential to voltage stabilizing chip IC2, makes voltage stabilizing chip IC2 enter work
Make state, the switching node SW of voltage stabilizing chip IC2 simultaneously connects after a sustained diode 2 concatenates energy storage inductor L2 again, through filtered electrical
Hold E2 filtering and export stable 5V voltage, is charged by the first charging terminal to the product for needing to charge, and by output feedback
Resistance R3, feedback capacity C4 and sample resistance R2 feed back to output voltage on the FB foot of IC2, and it is anti-to constitute 5V voltage regulator circuit closed loop
Feedback system, to reach the function of stabilizing the output voltage.
Preferably, the first charging terminal include the Micro-USB plug being connect with voltage stabilizing chip output end, 2.0mm plug,
One of difference charging terminal such as Mini-USB plug, USB female seat is a variety of, and each charging terminal is connected in parallel.Pass through difference
The plug of form charges to the product for needing to charge.
The charging unit using photovoltaic power generation of the utility model preferred embodiment utilizes green energy resource, provides 5V and stablizes electricity
Pressure can provide stable and efficient 5V charging voltage to mobile phone, flashlight and various digital products.
Embodiment 2: the charging unit using photovoltaic power generation of the utility model preferred embodiment includes solar panel,
Two charging terminals, the second charging terminal and solar panel output end are directly connected to export 6V DC voltage, the second charging end
Son is 5.5-2.1mm plug.
Preferably, the charging unit using photovoltaic power generation of the utility model preferred embodiment is the knot of above embodiments
It closes, provides the output voltage of 6V, 5V.
It include solar panel, voltage regulator circuit, the first charging terminal, the second charging terminal.External luminous energy passes through the sun
Energy panel is converted to DC voltage, and voltage regulator circuit input terminal is connect with solar panel output end, the second charging terminal and the sun
Energy panel output end is directly connected to output 6V DC voltage, and the first charging terminal and voltage regulator circuit are electrically connected, and voltage regulator circuit will
DC voltage carries out steady pressure treatment and generates 5V voltage of voltage regulation, and 5V burning voltage is output to the first charging terminal, this is sent out using photovoltaic
The charging unit of electricity is charged by charging terminal to the product for needing to charge.
Preferably, such as Fig. 2, on the basis of above embodiments, the utilization photovoltaic power generation of the utility model preferred embodiment
Charging unit further include frame 300, circuit board connection jaws 400, solar panel 100 is socketed in frame 300, voltage regulator circuit
It is encapsulated in inside solar panel 100, solar panel 100 is connect by line outlet with circuit board connection jaws 400, the first charging
Terminal is (including different chargings such as Micro-USB plug 202,2.0mm plug 203, Mini-USB plug 204, USB female seats 205
One of terminal is a variety of) it is connect across circuit board connection jaws 400 with circuit output end of pressure-stabilizing.
Preferably, further including frame 300, circuit board connection jaws 400, solar panel 100 is socketed in frame 300, surely
Volt circuit is encapsulated in inside solar panel 100, and solar panel 100 is connect by line outlet with circuit board connection jaws 400, the
Two charging terminals (5.5-2.1mm plug 201) pass through circuit board connection jaws 400 and connect with solar panel output end.
The charging unit using photovoltaic power generation of the utility model preferred embodiment is the combination of above embodiments, and first fills
Electric terminal (is filled including Micro-USB plug 202,2.0mm plug 203, Mini-USB plug 204, USB female seat 205 etc. are different
One of electric terminal is a variety of) it is connect across circuit board connection jaws 400 with circuit output end of pressure-stabilizing, the second charging terminal
(5.5-2.1mm plug 201) passes through circuit board connection jaws 400 and connect with solar panel output end.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (7)
1. utilizing the charging unit of photovoltaic power generation, which is characterized in that including solar panel, voltage regulator circuit, the first charging terminal,
The solar panel output end is connect with the voltage regulator circuit input terminal, and first charging terminal and the voltage regulator circuit are defeated
Outlet is electrically connected, and the solar panel generates DC voltage through photovoltaic conversion, and the voltage regulator circuit is to the DC voltage
Steady pressure treatment is carried out to export burning voltage by first charging terminal, the product of outside need charging passes through described first
Charging terminal charging.
2. the charging unit according to claim 1 using photovoltaic power generation, which is characterized in that the voltage regulator circuit further includes
Voltage stabilizing chip, first charging terminal are connect with the voltage stabilizing chip output end, and the voltage stabilizing chip feeds back the electricity got
It presses and passes through the first charging terminal output 5V burning voltage.
3. the charging unit according to claim 2 using photovoltaic power generation, which is characterized in that the voltage regulator circuit further includes
First resistor, sample resistance, feedback resistance, freewheeling diode, energy storage inductor, filter capacitor, feedback capacity,
The voltage stabilizing chip input terminal is connect by the first resistor with enabled pin, and first charging terminal passes through described
Energy storage inductor is connect with the voltage stabilizing chip switching node, and the voltage stabilizing chip switching node passes through the freewheeling diode cathode
Ground connection, the energy storage inductor by the filter capacitor plus earth, the feedback capacity and the feedback resistance with it is described
The connection of voltage stabilizing chip current feedback terminal, the feedback capacity and the feedback resistance pass through the energy storage inductor and the pressure stabilizing
The connection of chip switch node, the voltage stabilizing chip current feedback terminal are grounded by the sample resistance；
The voltage stabilizing chip is obtained anti-by the feedback resistance, the feedback capacity and the sample resistance by current feedback terminal
The voltage of feedback, and 5V burning voltage is exported by first charging terminal.
4. the charging unit according to claim 2 using photovoltaic power generation, which is characterized in that first charging end attached bag
Include the Micro-USB plug being connect with the voltage stabilizing chip output end, 2.0mm plug, Mini-USB plug, in USB female seat
It is one or more.
5. the charging unit according to claim 1 using photovoltaic power generation, which is characterized in that further include the second charging end
Son, second charging terminal and the solar panel output end are directly connected to export 6V DC voltage, and described second fills
Electric terminal is 5.5-2.1mm plug.
6. the charging unit of photovoltaic power generation is utilized described in any one of -5 according to claim 1, which is characterized in that further include
Frame, circuit board connection jaws, the solar panel are socketed in the frame, and the voltage regulator circuit is encapsulated in the solar energy
Panel itself, the solar panel are connect by line outlet with the circuit board connection jaws, and first charging terminal passes through
The circuit board connection jaws and the circuit output end of pressure-stabilizing are electrically connected.
7. the charging unit according to claim 5 using photovoltaic power generation, which is characterized in that further include frame, circuit board
Connection jaws, the solar panel are socketed in the frame, and the voltage regulator circuit is encapsulated in inside the solar panel, institute
It states solar panel to connect by line outlet with the circuit board connection jaws, second charging terminal passes through the circuit board and connects
Line mouth and the solar panel output end are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821818150.3U CN209358494U (en) | 2018-11-05 | 2018-11-05 | Utilize the charging unit of photovoltaic power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821818150.3U CN209358494U (en) | 2018-11-05 | 2018-11-05 | Utilize the charging unit of photovoltaic power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209358494U true CN209358494U (en) | 2019-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821818150.3U Active CN209358494U (en) | 2018-11-05 | 2018-11-05 | Utilize the charging unit of photovoltaic power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209358494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245202A (en) * | 2019-12-23 | 2020-06-05 | Tcl华星光电技术有限公司 | Power supply circuit |
-
2018
- 2018-11-05 CN CN201821818150.3U patent/CN209358494U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245202A (en) * | 2019-12-23 | 2020-06-05 | Tcl华星光电技术有限公司 | Power supply circuit |
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