CN215956093U - Solar controller - Google Patents
Solar controller Download PDFInfo
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- CN215956093U CN215956093U CN202121982043.6U CN202121982043U CN215956093U CN 215956093 U CN215956093 U CN 215956093U CN 202121982043 U CN202121982043 U CN 202121982043U CN 215956093 U CN215956093 U CN 215956093U
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Abstract
The utility model provides a solar controller, comprising: the solar energy port, the storage battery port, the direct current port, the first voltage reduction circuit, the first switch, the second switch, the third switch, the second voltage reduction circuit, the fourth switch, the direct current output controller, the toggle switch, the fifth switch, the third voltage reduction circuit, the main controller, the key switch, the fourth voltage reduction circuit and the diode. The utility model integrates multiple functions, and a user can flexibly set and output multiple direct current voltages through the toggle switch, so that the utility model is suitable for the application of multiple types of storage batteries.
Description
Technical Field
The utility model relates to the technical field of electric power, in particular to a solar controller.
Background
The solar controller is an automatic control device which is used for controlling the solar panel to charge the storage battery and the storage battery to supply power to a load in solar power generation. The solar battery pack and the storage battery are used for stipulating and controlling the charging and discharging conditions of the storage battery, and controlling the electric energy output of the solar battery pack and the storage battery to the load according to the power supply requirement of the load.
The existing solar controller has single function and can only be adapted to a single type of storage battery, and the use experience of a user is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a solar controller, which integrates multiple functions, and a user can flexibly set and output multiple dc voltages through a toggle switch 111, so as to adapt to the application of multiple types of storage batteries.
The utility model is realized by the following technical scheme:
the utility model provides a solar controller, comprising:
the solar port 101 is used for accessing a solar panel;
a battery port 102 for connecting a battery;
a dc port 103 for outputting a dc voltage;
the first voltage reduction circuit 104 is respectively connected with the solar port 101 and the storage battery port 102 and is used for reducing the output voltage of the solar panel to a first output voltage;
a first switch 105 connected to the solar port 101 and the battery port 102, respectively;
a second switch 106, which is respectively connected with the solar port 101 and the direct current port 103;
a third switch 107 connected to the solar port 101;
the second voltage reduction circuit 108 is connected to the third switch 107 and is used for reducing the output voltage of the solar cell panel to a second output voltage;
a fourth switch 109, connected to the second buck circuit 108 and the dc port 103, respectively;
a dc output controller 110, connected to the second switch 106, the third switch 107 and the fourth switch 109 respectively;
a toggle switch 111 connected to the dc output controller 110;
a fifth switch 112 connected to the solar port 101;
a third voltage reduction circuit 113, respectively connected to the fifth switch 112 and the dc output controller 110, for reducing the output voltage of the solar cell panel to a third output voltage;
a main controller 114 connected to the first voltage-reducing circuit 104, the first switch 105 and the fifth switch 112, respectively;
a key switch 115 connected to the main controller 114;
a fourth voltage-reducing circuit 116, respectively connected to the solar port 101 and the main controller 114, for reducing the output voltage of the solar cell panel to a fourth output voltage; and
and the anode of the diode is connected with the storage battery port 102, and the cathode of the diode is connected with the solar port 101.
Optionally, a solar controller further comprises:
a USB port 117 for connecting an external USB interface device;
and the USB quick charging circuit 118 is respectively connected with the fifth switch 112 and the USB port.
Optionally, the method further includes:
a TYPE-C port 119 for connecting an external TYPE-C interface device;
a fifth voltage-reducing circuit 120, connected to the fifth switch 112, for reducing the output voltage of the solar cell panel to a third output voltage;
the TYPE-C quick charging circuit 121 is connected with the fifth voltage reducing circuit 120 and the TYPE-C port respectively.
Optionally, the first switch 105, the second switch 106, the third switch 107, the fourth switch 109, and the fifth switch 112 all include PMOS transistors.
Optionally, a solar controller further comprises:
the first detection module is respectively connected with the solar port 101 and the main controller 114 and is used for detecting the voltage and the current of the solar port 101;
and the second detection module is respectively connected with the battery port 102 and the main controller 114 and is used for detecting the voltage and the current of the battery port 102.
Optionally, a solar controller further comprises:
and the third detection module is respectively connected with the direct current port 103 and the direct current output controller 110, and is used for detecting the voltage and the current of the direct current port 103.
Optionally, a solar controller further comprises:
and the storage battery short-circuit detection module is respectively connected with the storage battery port 102, the solar port 101 and the main controller 114 and is used for detecting the short circuit of the storage battery port 102.
Optionally, a solar controller further comprises:
a first indicator light module connected to the main controller 114;
a second indicator light module connected to the second switch 106;
and the third indicator light module is connected with the fourth switch 109.
Optionally, a solar controller further comprises:
and the fourth indicator light module is connected with the USB quick charging circuit.
Optionally, a solar controller further comprises:
and the fifth indicator light module is connected with the TYPE-C quick charging circuit.
The utility model has the beneficial effects that:
the solar controller provided by the embodiment of the utility model integrates multiple functions, and a user can flexibly set and output multiple direct-current voltages through the toggle switch, so that the solar controller is suitable for application of multiple types of storage batteries. The embodiment of the utility model can also enable the self-solar panel or the storage battery to supply power to the external USB interface equipment and enable the self-solar panel or the storage battery to supply power to the external TYPE-C interface equipment.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a solar controller according to the present invention.
Fig. 2 is a schematic diagram of a switch structure of an embodiment of a solar controller according to the present invention.
Fig. 3 is a schematic structural diagram of a battery short-circuit detection module according to an embodiment of the solar controller of the present invention.
Detailed Description
In order to more clearly and completely explain the technical scheme of the utility model, the utility model is further explained with reference to the attached drawings.
Examples
Referring to fig. 1, the present invention provides an embodiment of a solar controller, including: the solar energy switch comprises a solar port 101, a storage battery port 102, a direct current port 103, a first voltage reduction circuit 104, a first switch 105, a second switch 106, a third switch 107, a second voltage reduction circuit 108, a fourth switch 109, a direct current output controller 110, a toggle switch 111, a fifth switch 112, a third voltage reduction circuit 113, a main controller 114, a key switch 115, a fourth voltage reduction circuit 116 and a diode D1.
The solar port 101 is used for connecting a solar panel, and the input voltage of the solar panel is 18V. The battery port 102 is used to connect a battery, which in some embodiments is a three-section series lithium battery with a voltage of 12.6V. The dc port 103 is used for outputting dc voltage, for example, providing charging voltage for a 12V lead-acid battery.
The first voltage reduction circuit 104 is connected to the solar port 101 and the battery port 102, respectively, and is configured to reduce the output voltage of the solar panel to a first output voltage, where the first output voltage is adapted to the battery voltage. The first switch 105 is connected to the solar port 101 and the battery port 102, respectively. The second switch 106 is connected to the solar port 101 and the dc port 103, respectively. The third switch 107 is connected to the solar port 101. The second voltage dropping circuit 108 is connected to the third switch 107 for dropping the solar panel output voltage to a second output voltage, which in some embodiments is 14V, for providing a charging voltage for the 12V lead-acid battery. The fourth switch 109 is connected to the second buck circuit 108 and the dc port 103, respectively. The dc output controller 110 is connected to the second switch 106, the third switch 107, and the fourth switch 109, respectively, and controls the second switch 106, the third switch 107, and the fourth switch 109 to be turned on or off, respectively. The toggle switch 111 is connected to the dc output controller 110. And a fifth switch 112 connected to the solar port 101. And a third step-down circuit 113, respectively connected to the fifth switch 112 and the dc output controller 110, for stepping down the output voltage of the solar panel to a third output voltage, where the third output voltage is adapted to the supply voltage of the dc output controller 110. The main controller 114 is connected to the first voltage-reducing circuit 104, the first switch 105 and the fifth switch 112, respectively, the main controller 114 controls the voltage-reducing output of the first voltage-reducing circuit 104, and the main controller 114 controls the first switch 105 and the fifth switch 112 to be turned on or off. The key switch 115 is connected to the main controller 114. And the fourth voltage reduction circuit 116 is respectively connected to the solar port 101 and the main controller 114, and is configured to reduce the output voltage of the solar cell panel to a fourth output voltage, where the fourth output voltage is adapted to the supply voltage of the main controller 114. Diode D1 has its anode connected to battery port 102 and diode D1 has its cathode connected to solar port 101.
In this embodiment, the storage battery supplies power to the main controller 114 through the diode D1 and the fourth voltage-reducing circuit 116, the main controller 114 detects the key switch 115, and when it is detected that the key switch 115 is pressed, the solar controller is turned on. The solar cell panel is connected through the solar port 101, and can be stepped down by the first step-down circuit 104 to a first output voltage to charge the storage battery under the control of the main controller 114. The main controller 114 controls the fifth switch 112 to be turned on to supply power to the dc output controller 110, and the dc output controller 110 controls the second switch 106, the third switch 107 and the fourth switch 109 according to the shift position of the toggle switch 111 to control the output of the dc port. The dc output controller 110 is controlled as follows: when the toggle switch 111 is in the first gear, the second switch 106, the third switch 107 and the fourth switch 109 are all turned off, and the electric energy of the solar cell panel is used for charging the storage battery; when the toggle switch 111 is in the second gear, the second switch 106 is turned on, the third switch 107 and the fourth switch 109 are both turned off, and the electric energy of the solar panel is directly output from the direct current port 103, so that the highest output voltage of 18V can be provided; when the toggle switch 111 is in the third gear, the second switch 106 is turned off, the third switch 107 and the fourth switch 109 are both turned on, and the voltage of the solar panel is reduced to a second voltage through the second voltage reduction circuit 108 and provided to the dc port 103, wherein in some embodiments, the second voltage is 14.8V, which can be used for charging a 12V lead-acid battery.
The solar controller provided by the embodiment of the utility model integrates multiple functions, and a user can flexibly set and output multiple direct-current voltages through the toggle switch 111, so that the solar controller is suitable for application of multiple types of storage batteries.
In an alternative embodiment, referring to fig. 1, a solar controller further comprises a USB port 117 and a USB fast charging circuit 118. The USB port 117 is used to connect external USB interface devices. The USB fast charging circuit 118 is connected to the fifth switch 112 and the USB port 117, respectively.
In this embodiment, the main controller 114 controls the fifth switch 112 to be turned on, so that the external USB interface device is powered by the solar cell panel or the storage battery. When the solar port 101 is connected to the solar panel, the main controller 114 controls the first switch 105 to be turned off to prevent the storage battery from being reversely charged, and when the solar port 101 is not connected to the solar panel, the main controller 114 controls the first switch 105 to be turned on to supply power to the storage battery. In some embodiments, the USB fast charging circuit 115 is implemented using a SW3521 chip and peripheral circuits.
In an alternative embodiment, referring to fig. 1, a solar controller further comprises a TYPE-C port 119 and a fifth voltage step-down circuit 120. TYPE-C port 119 is used to connect external TYPE-C interface devices. The fifth voltage-reducing circuit 120 is connected to the fifth switch 112, and is configured to reduce the output voltage of the solar cell panel to a fifth output voltage. The TYPE-C fast charging circuit 121 is connected to the fifth voltage reducing circuit 120 and the TYPE-C port 119, respectively.
In this embodiment, the main controller 114 controls the fifth switch 112 to be turned on, so that the external TYPE-C interface device is powered by the solar cell panel or the storage battery. When the solar port 101 is connected to the solar panel, the main controller 114 controls the first switch 105 to be turned off to prevent the storage battery from being reversely charged, and when the solar port 101 is not connected to the solar panel, the main controller 114 controls the first switch 105 to be turned on to supply power to the storage battery. In some embodiments, the TYPE-C fast charging circuit 117 is implemented by using a SW3526 chip and peripheral circuits. The fifth voltage dropping circuit 120 provides an adapted supply voltage for the TYPE-C fast charging circuit 117.
In an alternative embodiment, the first switch 105, the second switch 106, the third switch 107, the fourth switch 109, and the fifth switch 112 each include PMOS transistors.
As an example, the first switch 105, the second switch 106, the third switch 107, the fourth switch 109 or the fifth switch 112 may be implemented as in fig. 2. Assuming that a current direction flows from the end A to the end B when the switch is turned on, the end C is a control end of the switch, the switch comprises a PMOS tube Q1, an NMOS tube Q2 and a resistor R1, a source electrode of the PMOS tube Q1 is connected with a first end of the resistor R1 and serves as the end A of the switch, a drain electrode of the PMOS tube Q1 serves as the end B of the switch, a gate electrode of the PMOS tube Q1 is connected with a second end of the resistor R1 and a drain electrode of the NMOS tube Q2, a gate electrode of the NMOS tube Q2 serves as the end C of the switch, and a source electrode of the NMOS tube Q2 is grounded. When the terminal C is at a high level, the NMOS transistor Q2 is turned on, and the gate of the PMOS transistor Q1 is grounded, and when the terminal a, i.e., the source of the PMOS transistor Q1, is at a high level, the transistor Q1 is turned on, and the switch is turned on. When the end C is at a low level, the NMOS transistor Q2 is turned off, the grid of the PMOS transistor Q1 is suspended, the PMOS transistor Q1 is turned off, and the switch is in an off state.
In an alternative embodiment, a solar controller further includes a first detection module, a second detection module, and a third detection module. The first detection module is respectively connected to the solar port 101 and the main controller 114, and is used for detecting the voltage and the current of the solar port 101. The second detection module is connected to the battery port 102 and the main controller 114, respectively, for detecting the voltage and current of the battery port 102.
In this embodiment, the main controller 114 detects the output voltage and current of the solar cell panel through the first detection module, and detects the voltage and current of the battery through the second detection module, and can control the output of the first voltage reduction circuit 104 according to the detection result, thereby improving the charging efficiency of the battery.
In an alternative embodiment, a solar controller further includes a third detection module. The third detection module is respectively connected to the dc port 103 and the dc output controller 110, and is configured to detect a voltage and a current of the dc port 103.
In this embodiment, the dc output controller 110 detects the voltage and the current of the dc load through the third detection module, and can cut off the power supply when a low voltage or an overcurrent occurs.
In an alternative embodiment, a solar controller further comprises a battery short detection module. The battery short-circuit detection module is respectively connected with the battery port 102, the solar port 101 and the main controller 114, and is used for detecting the short circuit of the battery port 102.
As an example, the battery short detection module may be implemented in the manner of fig. 3. The battery short-circuit detection module comprises a PMOS (P-channel metal oxide semiconductor) tube Q3, an NPN (negative-positive-negative) triode Q4, a resistor R2 and a resistor R3, wherein a source (D end) of the PMOS tube Q3 is connected with the positive end of the solar port 101, a grid (E end) of the PMOS tube Q3 is connected with the positive end of the battery port 102, a drain of the PMOS tube Q3 is connected with the first end of the resistor R2, the second end of the resistor R2 is connected with the first end of the resistor R3 and the base of the NPN triode Q4, a collector (F end) of the NPN triode Q4 is connected with the main controller 114, and an emitter of the NPN Q4 is connected with the second end of the resistor R3 and grounded. When the battery port 102 is short-circuited, the terminal E is at a low level, the PMOS transistor Q3 is turned on, the base level of the NPN transistor Q4 becomes high, and the NPN transistor Q4 is turned on, so that the terminal F is grounded, and a low level signal is sent to the main controller 114.
In this embodiment, the main controller 114 can detect the short circuit condition of the battery through the battery short circuit detection module, and can stop charging the battery when the short circuit occurs, thereby playing a role in protection.
In an alternative embodiment, a solar controller further includes a first indicator light module, a second indicator light module, and a third indicator light module. The first indicator light module is connected to the main controller 114 and is illuminated when the battery is charged. The second indicator light module is connected to the second switch 106, and lights up when the second switch 106 is turned on, so as to indicate that the electric energy of the solar cell panel is directly output from the direct current port 103. The third indicator light module is connected to the fourth switch 109, and is lit when the fourth switch 109 is turned on, so as to indicate that the voltage of the solar cell panel is reduced to a second voltage through the second voltage reduction circuit 108 and is provided to the dc port 103.
In an alternative embodiment, a solar controller further includes a fourth indicator light module. The fourth indicator light module is connected to the USB fast charging circuit for indicating that the USB port 117 is charging or is full.
In an alternative embodiment, a solar controller further includes a fifth indicator light module. The fifth indicator light module is connected to the TYPE-C fast charging circuit for indicating that the TYPE-C port 119 is charging or is full.
Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.
Claims (10)
1. A solar controller, comprising:
the solar port 101 is used for accessing a solar panel;
a battery port 102 for connecting a battery;
a dc port 103 for outputting a dc voltage;
the first voltage reduction circuit 104 is respectively connected with the solar port 101 and the storage battery port 102 and is used for reducing the output voltage of the solar panel to a first output voltage;
a first switch 105 connected to the solar port 101 and the battery port 102, respectively;
a second switch 106, which is respectively connected with the solar port 101 and the direct current port 103;
a third switch 107 connected to the solar port 101;
the second voltage reduction circuit 108 is connected to the third switch 107 and is used for reducing the output voltage of the solar cell panel to a second output voltage;
a fourth switch 109, connected to the second buck circuit 108 and the dc port 103, respectively;
a dc output controller 110, connected to the second switch 106, the third switch 107 and the fourth switch 109 respectively;
a toggle switch 111 connected to the dc output controller 110;
a fifth switch 112 connected to the solar port 101;
a third voltage reduction circuit 113, respectively connected to the fifth switch 112 and the dc output controller 110, for reducing the output voltage of the solar cell panel to a third output voltage;
a main controller 114 connected to the first voltage-reducing circuit 104, the first switch 105 and the fifth switch 112, respectively;
a key switch 115 connected to the main controller 114;
a fourth voltage-reducing circuit 116, respectively connected to the solar port 101 and the main controller 114, for reducing the output voltage of the solar cell panel to a fourth output voltage; and
and the anode of the diode is connected with the storage battery port 102, and the cathode of the diode is connected with the solar port 101.
2. The solar controller of claim 1, further comprising:
a USB port 117 for connecting an external USB interface device;
and the USB quick charging circuit 118 is respectively connected with the fifth switch 112 and the USB port.
3. The solar controller of claim 1, further comprising:
a TYPE-C port 119 for connecting an external TYPE-C interface device;
a fifth voltage-reducing circuit 120, connected to the fifth switch 112, for reducing the output voltage of the solar cell panel to a third output voltage;
the TYPE-C quick charging circuit 121 is connected with the fifth voltage reducing circuit 120 and the TYPE-C port respectively.
4. The solar controller of claim 1, wherein the first switch 105, the second switch 106, the third switch 107, the fourth switch 109, and the fifth switch 112 comprise PMOS transistors.
5. The solar controller of claim 1, further comprising:
the first detection module is respectively connected with the solar port 101 and the main controller 114 and is used for detecting the voltage and the current of the solar port 101;
and the second detection module is respectively connected with the battery port 102 and the main controller 114 and is used for detecting the voltage and the current of the battery port 102.
6. The solar controller of claim 1, further comprising:
and the third detection module is respectively connected with the direct current port 103 and the direct current output controller 110, and is used for detecting the voltage and the current of the direct current port 103.
7. The solar controller of claim 1, further comprising:
and the storage battery short-circuit detection module is respectively connected with the storage battery port 102, the solar port 101 and the main controller 114 and is used for detecting the short circuit of the storage battery port 102.
8. The solar controller of claim 1, further comprising:
a first indicator light module connected to the main controller 114;
a second indicator light module connected to the second switch 106;
and the third indicator light module is connected with the fourth switch 109.
9. The solar controller of claim 2, further comprising:
and the fourth indicator light module is connected with the USB quick charging circuit.
10. A solar controller as defined in claim 3, further comprising:
and the fifth indicator light module is connected with the TYPE-C quick charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121982043.6U CN215956093U (en) | 2021-08-20 | 2021-08-20 | Solar controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121982043.6U CN215956093U (en) | 2021-08-20 | 2021-08-20 | Solar controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215956093U true CN215956093U (en) | 2022-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121982043.6U Active CN215956093U (en) | 2021-08-20 | 2021-08-20 | Solar controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215956093U (en) |
-
2021
- 2021-08-20 CN CN202121982043.6U patent/CN215956093U/en active Active
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