CN218783590U - Photovoltaic charging circuit capable of switching bidirectional power supply of equipment and battery - Google Patents
Photovoltaic charging circuit capable of switching bidirectional power supply of equipment and battery Download PDFInfo
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- CN218783590U CN218783590U CN202222595660.1U CN202222595660U CN218783590U CN 218783590 U CN218783590 U CN 218783590U CN 202222595660 U CN202222595660 U CN 202222595660U CN 218783590 U CN218783590 U CN 218783590U
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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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Abstract
The utility model relates to a photovoltaic charging field, and discloses a photovoltaic charging circuit which can switch to supply power to equipment and a battery in two directions, comprising a reverse charging circuit, a connection switch unit and a voltage detection circuit, wherein the connection switch unit is internally provided with a first switch circuit which is electrically connected with the reverse charging circuit, and the first switch circuit is electrically connected with a second switch circuit; when detecting that the battery does not supply power through the voltage detection chip, the photovoltaic charger charges the battery, the photovoltaic charger can supply power to the consumer simultaneously, then the voltage detection chip detects voltage, when the battery power supply is full of, the battery is full of the back control switch circuit and is opened and supplies power to equipment, thereby the function of changeable carrying out the two-way power supply to equipment and battery has been realized, thereby can come to make the photovoltaic charger supply power to equipment by automated inspection battery supply voltage, make it need not artificial intervention, the loss of photovoltaic charger electric quantity has been reduced.
Description
Technical Field
The utility model relates to a photovoltaic field of charging specifically is a changeable photovoltaic charging circuit who carries out two-way power supply to equipment and battery.
Background
In the application of a photovoltaic charging system, a photovoltaic charger converts alternating current with fixed voltage and fixed frequency into direct current, and an electric device which uses a photovoltaic charging battery as a working power supply shows wide application prospect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the changeable photovoltaic charging circuit who carries out two-way power supply to equipment and battery of current device, its advantage is changeable carries out the function of two-way power supply to equipment and battery.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a changeable photovoltaic charging circuit who carries out two-way power supply to equipment and battery, includes reverse charging circuit and connecting switch unit and voltage detection circuit, the inside of connecting switch unit is provided with the first switch circuit of being connected with reverse charging circuit electricity, first switch circuit electricity is connected with second switch circuit, second switch circuit electricity is connected with the input of voltage detection chip, the output and the voltage detection circuit electricity of voltage detection chip are connected.
Adopt above-mentioned technical scheme: when detecting that the battery does not supply power through the voltage detection chip, the photovoltaic charger charges the battery, the photovoltaic charger can supply power to the consumer simultaneously, then the voltage detection chip detects voltage, when the battery power supply is full of, the battery is full of the back control switch circuit and is opened and supplies power to equipment, thereby the function of changeable carrying out the two-way power supply to equipment and battery has been realized, thereby can come to make the photovoltaic charger supply power to equipment by automated inspection battery supply voltage, make it need not artificial intervention, the loss of photovoltaic charger electric quantity has been reduced.
The utility model discloses further set up to, the equal electricity of input of reverse charging circuit and first switch circuit is connected with the 12V alternating current, reverse charging circuit adopts AOD413 type drive circuit, reverse charging circuit and the equal electricity of first switch circuit are connected with first Vbat + and participate in.
The utility model discloses further set up to, second switch circuit's input and first switch circuit's the equal electricity of output are connected with first chip resistor, first chip resistor model parameter is 100K5%0603, first chip resistor output electricity is connected with second Vbat + and participates in, second switch circuit electricity is connected with first ground connection pin.
The utility model discloses further set up to, the model of voltage detection chip is XC61CC3002MR, voltage detection chip electricity is connected with second ground connection pin.
The utility model discloses further set up to, voltage detection circuit's output electricity respectively is connected with second chip resistor and third chip resistor, the model parameter of second chip resistor and third chip resistor is 270K1%0603 and 100K1%.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a voltage detection chip detects when the battery does not supply power, the photovoltaic charger charges to the battery, the photovoltaic charger can supply power to consumer simultaneously, then the voltage detection chip carries out measuring voltage, when battery power supply is full of, the battery is full of the back control switch circuit and opens and supplies power to equipment, thereby the changeable function of carrying out the both-way power supply to equipment and battery has been realized, thereby can the automated inspection battery supply voltage make the photovoltaic charger supply power to equipment, make it need not artificial intervention, the loss of photovoltaic charger electric quantity has been reduced.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1, a photovoltaic charging circuit capable of switching to perform bidirectional power supply on a device and a battery, including a reverse charging circuit, a connection switch unit and a voltage detection circuit, a first switch circuit electrically connected to the reverse charging circuit is disposed inside the connection switch unit, the first switch circuit is electrically connected to a second switch circuit, the second switch circuit is electrically connected to an input end of a voltage detection chip, an output end of the voltage detection chip is electrically connected to the voltage detection circuit, when the voltage detection chip detects that the battery is not powered, the photovoltaic charger charges the battery, and the photovoltaic charger can supply power to the device, and then the voltage detection chip detects the voltage.
Referring to fig. 1, the input terminals of the reverse charging circuit and the first switch circuit are both electrically connected with 12V ac power, the reverse charging circuit adopts an AOD413 type driving circuit, and the reverse charging circuit and the first switch circuit are both electrically connected with a first Vbat + pin.
Referring to fig. 1, the input terminal of the second switch circuit and the output terminal of the first switch circuit are electrically connected to a first chip resistor, the model parameter of the first chip resistor is 100k 5%.
Referring to fig. 1, the output terminal of the voltage detection circuit is electrically connected with a second chip resistor and a third chip resistor, respectively, model parameters of the second chip resistor and the third chip resistor are 270k1%0603 and 100k1%0603, respectively, the output terminal of the second chip resistor is electrically connected with a third Vbat + pin, and the third chip resistor is electrically connected with a third ground pin.
Brief description of the use process: the method comprises the steps that firstly, the power supply voltage of a battery is detected through a voltage detection circuit and is input into a voltage detection chip, the voltage detection chip can control whether a connecting circuit is opened or not, when the power supply voltage of the battery is low, the voltage detection chip controls the connecting circuit to be opened, so that a photovoltaic charger can input 12V current through a reverse charging circuit to charge the battery, when the battery is fully charged, the voltage detection chip detects that the voltage of the battery is enough through the voltage detection circuit, then the connecting circuit is controlled to be closed, and the current of the photovoltaic charger is blocked.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A photovoltaic charging circuit capable of switching bidirectional power supply of equipment and a battery comprises a reverse charging circuit, a connection switch unit and a voltage detection circuit, and is characterized in that: the inside of the connecting switch unit is provided with a first switch circuit electrically connected with the reverse charging circuit, the first switch circuit is electrically connected with a second switch circuit, the second switch circuit is electrically connected with the input end of the voltage detection chip, and the output end of the voltage detection chip is electrically connected with the voltage detection circuit.
2. The photovoltaic charging circuit switchable to bi-directionally power a device and a battery of claim 1, wherein: the input ends of the reverse charging circuit and the first switch circuit are electrically connected with 12V alternating current, the reverse charging circuit adopts an AOD413 type driving circuit, and the reverse charging circuit and the first switch circuit are electrically connected with a first Vbat + pin.
3. The photovoltaic charging circuit switchable to bi-directionally power a device and a battery of claim 1, wherein: the input of second switch circuit and first switch circuit's output homogeneous electricity are connected with first chip resistor, first chip resistor model parameter is 100K5%0603, first chip resistor output electricity is connected with second Vbat + and participates in, second switch circuit electricity is connected with first ground connection pin.
4. The photovoltaic charging circuit capable of switching bidirectional power supply to a device and a battery according to claim 1, wherein: the model of voltage detection chip is XC61CC3002MR, voltage detection chip electricity is connected with second ground pin.
5. The photovoltaic charging circuit switchable to bi-directionally power a device and a battery of claim 1, wherein: the output end of the voltage detection circuit is electrically connected with a second chip resistor and a third chip resistor respectively, the model parameters of the second chip resistor and the third chip resistor are 270K 1-0603 and 100K 1-0603 respectively, the output end of the second chip resistor is electrically connected with a third Vbat + pin, and the third chip resistor is electrically connected with a third grounding pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222595660.1U CN218783590U (en) | 2022-09-29 | 2022-09-29 | Photovoltaic charging circuit capable of switching bidirectional power supply of equipment and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222595660.1U CN218783590U (en) | 2022-09-29 | 2022-09-29 | Photovoltaic charging circuit capable of switching bidirectional power supply of equipment and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218783590U true CN218783590U (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222595660.1U Active CN218783590U (en) | 2022-09-29 | 2022-09-29 | Photovoltaic charging circuit capable of switching bidirectional power supply of equipment and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218783590U (en) |
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2022
- 2022-09-29 CN CN202222595660.1U patent/CN218783590U/en active Active
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