CN215734934U - Solar lamp with selectable output circuit - Google Patents
Solar lamp with selectable output circuit Download PDFInfo
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- CN215734934U CN215734934U CN202122078175.2U CN202122078175U CN215734934U CN 215734934 U CN215734934 U CN 215734934U CN 202122078175 U CN202122078175 U CN 202122078175U CN 215734934 U CN215734934 U CN 215734934U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model relates to the technical field of electronic circuits, in particular to a solar lamp with a selectable output circuit, which comprises a power supply circuit, a control module, an LED mode control circuit and an LED output circuit, wherein the control module is electrically connected with the power supply circuit, the LED mode control circuit comprises a selection switch and a selection circuit with three gears, the selection switch and the selection circuit are both electrically connected with the control module, the selection switch is used for controlling the output mode selection of the selection circuit, the selection circuit is used for controlling the light emitting mode selection of the LED output circuit, and the LED output circuit is electrically connected with the control module through the power supply circuit. The power supply circuit of the utility model adopts the modes of solar charging and battery power supply to supply power for the whole circuit, is more efficient, the control module can control the three-gear brightness switching output of the LED mode control circuit, and the corresponding white light LED can have different voltage drop outputs, so that the white light LED has wider application range, and effectively reduces the problems of high requirement on LED voltage drop, difficult purchase, high price and the like.
Description
Technical Field
The utility model relates to the technical field of electronic circuits, in particular to a solar lamp with a selectable output circuit.
Background
The voltage drop range of white light LEDs on the market is between 2.8V and 3.5V, the voltage drop range is wide, the output of solar street lamp products is influenced by the voltage drop of the LEDs, LEDs with different voltage drops are adopted, the working current of the products is greatly different, and when the charging current of a solar panel is fixed, the working time difference of the products is very large, the voltage drop range of the LEDs is strictly required to be small when the LEDs are purchased, even the voltage drop range of all the LEDs is required to be 0.1V, the LEDs are fixed in a voltage drop range section, and the problems that the LEDs are difficult to purchase, the price is high, the production is difficult and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical problems and provides a solar lamp with a selectable output circuit.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a solar lamp of selectable output circuit, includes power supply circuit, control module, LED mode control circuit and LED output circuit, control module and power supply circuit electric connection, LED mode control circuit includes selector switch and the selection circuit that has three gears, selector switch and selection circuit all with control module electric connection, selector switch is used for control selection circuit's output mode, selection circuit is used for controlling LED output circuit's luminous mode selection, LED output circuit passes through power supply circuit and control module electric connection.
Further, power supply circuit includes SOLAR panel SOLAR, first resistance R1, ruddiness LED, diode D1 and battery BAT, first resistance R1 is established ties with ruddiness LED to parallelly connected with SOLAR panel SOLAR, diode D1's output and SOLAR panel SOLAR electric connection, the input and the Battery (BAT) electric connection of diode (D1).
Further, the control module comprises a control chip (U1) and a capacitor (C1), the selection switch is connected with an OS terminal of the control chip (U1), the selection circuit is connected with a TCC terminal of the control chip (U1), and the LED output circuit is connected with a PWM terminal of the control chip (U1).
Furthermore, one end of the capacitor (C1) is connected with the VDD end of the control chip (U1), and the other end is connected with the VSS end of the control chip (U1).
Furthermore, the positive terminal of the selection switch is connected with the OS terminal of the control chip (U1), and the negative terminal of the selection switch is connected with the ground terminal.
Further, the selection circuit comprises an input stub (K0), a first output stub (K1), a second output stub (K2) and a third output stub (K3), wherein the input stub (K0) is connected with a TCC (TCC) end of a control chip (U1), the control chip (U1) is used for controlling the gear shifting output of the selection circuit, and the gear is switched by the selection switch.
Further, the first output stub (K1) controls the LED output circuit to be high, the second output stub (K2) controls the LED output circuit to be bright, and the third output stub (K3) controls the LED output circuit to be low.
Further, the LED output circuit comprises an LED branch circuit, a second resistor (R2), a third resistor (R3), a field-effect tube (Q1) and a fourth resistor (R4), wherein the second resistor (R2) is connected with the third resistor (R3) in parallel and is connected with the LED branch circuit in series, the drain electrode of the field-effect tube (Q1) is connected with the second resistor (R2) and the third resistor (R3) in series, the source electrode of the field-effect tube (Q1) is connected with the ground terminal, one end of the third resistor (R3) is connected with the grid electrode of the field-effect tube (Q1), and the other end of the third resistor (R3) is connected with the PWM terminal of the control chip (U1).
Further, the LED branch comprises a plurality of white LEDs connected in parallel.
As can be seen from the above description of the present invention, compared with the prior art, the solar lamp with an output circuit selectable provided by the present invention includes a power supply circuit, a control module, an LED mode control circuit and an LED output circuit, wherein the power supply circuit supplies power to the whole circuit by using solar charging and battery charging, which is more energy-saving and efficient; the selection switch and the selection circuit are electrically connected with the control chip (U1), the TCC end of the control chip (U1) is used as an output selection pin of the selection circuit and can perform three-mode selection output, so that the LED can output corresponding to different voltage drops, the gear of the selection circuit is switched by the selection switch, the selection circuit is controlled by an internal program of the control chip (U1) to output three-level brightness, and the white light LED is output by the LED output circuit and is fully applicable to the voltage drop range of 2.8-3.5V, and the white light LED can be used as long as an LED manufacturer is required to distinguish the voltage drops when screening LED loading plates, so that the problems of high requirement on LED voltage drop, difficulty in purchase, high price and the like are effectively reduced.
Drawings
FIG. 1 is a schematic circuit diagram of a solar powered lamp with an optional output circuit of the present invention;
FIG. 2 is a circuit diagram of a power circuit of the present invention;
FIG. 3 is a circuit diagram of a control module according to the present invention;
FIG. 4 is a circuit diagram of a selector switch of the present invention;
FIG. 5 is a circuit diagram of a selection circuit of the present invention;
FIG. 6 is a circuit diagram of an LED output circuit according to the present invention.
Detailed Description
The technical solutions in 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this invention, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 to 6, the solar lamp with the selectable output circuit comprises a power circuit 1, a control module 2, an LED mode control circuit and an LED output circuit 3, wherein the control module 2 is electrically connected to the power circuit 1, the LED mode control circuit comprises a selection switch 4 and a selection circuit 5 with three gears, the selection switch 4 and the selection circuit 5 are both electrically connected to the control module 2, the selection switch 4 is used for controlling the output mode selection of the selection circuit 5, the selection circuit 5 is used for controlling the light emitting mode selection of the LED output circuit 3, and the LED output circuit 3 is electrically connected to the control module 2 through the power circuit 1.
Power supply circuit 1 includes SOLAR panel SOLAR, first resistance R1, ruddiness LED, diode D1 and battery BAT, first resistance R1 establishes ties with ruddiness LED 6 to parallelly connected with SOLAR panel SOLAR, diode D1's output and SOLAR panel SOLAR electric connection, diode D1's input and battery BAT electric connection adopt SOLAR charging, battery powered's mode to supply power for whole circuit, more energy-conserving high-efficient.
The control module 2 comprises a control chip U1 and a capacitor C1, the selection switch 4 is connected with an OS end of a control chip U1, the selection circuit 5 is connected with a TCC end of the control chip U1, the LED output circuit 3 is connected with a PWM end of the control chip U1, one end of the capacitor C1 is connected with a VDD end of the control chip U1, the other end of the capacitor C1 is connected with a VSS end of the control chip U1, a positive end of the selection switch 4 is connected with the OS end of the control chip U1, a negative end of the selection switch 4 is connected with a ground end, the selection circuit 5 comprises an input stub K0, a first output stub K1, a second output stub K2 and a third output stub K3, the input stub K0 is connected with the OS end of the control chip U1, the selection circuit 5 is controlled to shift output by the control chip U1 and is switched by the selection switch 4, the first output stub K1 controls the LED output circuit 3 to be high-bright, the second output stub K2 controls the LED output circuit 3 to be bright, the third output stub K3 controls the LED output circuit 3 to be low bright, the LED output circuit 3 comprises an LED branch, a second resistor R2, a third resistor R3, a field-effect tube Q1 and a fourth resistor R4, the second resistor R2 is connected with the third resistor R3 in parallel and connected with the LED branch in series, the drain of the field-effect tube Q1 is connected with the second resistor R2 and the third resistor R3 in series, the source of the field-effect tube Q1 is connected with the grounding end, one end of the third resistor R3 is connected with the grid of the field-effect tube Q1, the other end of the third resistor R3 is connected with the PWM end of the control chip U1, and the LED branch comprises a plurality of white LEDs 7 connected in parallel.
The working principle of the utility model is as follows:
the TCC end of the control chip U1 is electrically connected with the input stub K0 as an output selection pin, is externally connected with the first output stub K1, the second output stub K2 and the third output stub K3, and corresponds to the voltage drop output of different white LEDs 7,
when the TCC end of the gear control chip U1 is grounded, the voltage drop range of the corresponding white light LED7 is 2.8V-3.0V; when the TCC end of the gear control chip U1 is suspended, the voltage drop range of the corresponding white light LED7 is 3.0V-3.2V; when the TCC end of the gear control chip U1 is suspended, the voltage drop of the corresponding white LED7 is 3.2-3.5V. If the program control in the control chip U1 selects the external first output stub K1, the LED output circuit 3 is output in a high brightness mode, if the program control in the control chip U1 selects the external second output stub K2, the LED output circuit 3 is output in a medium brightness mode, if the program control in the control chip U1 selects the external third output stub K2, the LED output circuit 3 is output in a low brightness mode, and all the above are switched by the selection switch 4. The LED tray is selectively output in three modes, the white light LED7 is fully applicable when the voltage drop range is 2.8-3.5V, the problems of high LED voltage drop requirement, difficulty in purchase, high price and the like are effectively reduced, and the LED tray can be used as long as an LED manufacturer is required to distinguish the voltage drops when screening LED trays.
As can be seen from the above description of the present invention, compared with the prior art, the solar lamp with an output circuit selectable provided by the present invention includes a power supply circuit, a control module, an LED mode control circuit and an LED output circuit, wherein the power supply circuit supplies power to the whole circuit by using solar charging and battery charging, which is more energy-saving and efficient; the selection switch and the selection circuit are electrically connected with the control chip (U1), the TCC end of the control chip (U1) is used as an output selection pin of the selection circuit and can perform three-mode selection output, so that the LED can output corresponding to different voltage drops, the gear of the selection circuit is switched by the selection switch, the selection circuit is controlled by an internal program of the control chip (U1) to output three-level brightness, and the white light LED is output by the LED output circuit and is fully applicable to the voltage drop range of 2.8-3.5V, and the white light LED can be used as long as an LED manufacturer is required to distinguish the voltage drops when screening LED loading plates, so that the problems of high requirement on LED voltage drop, difficulty in purchase, high price and the like are effectively reduced.
The above description is only a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of the present invention.
Claims (9)
1. A solar powered lamp with selectable output circuitry, comprising: including power supply circuit, control module, LED mode control circuit and LED output circuit, control module and power supply circuit electric connection, LED mode control circuit includes selector switch and the selection circuit that has three gears, selector switch and selection circuit all with control module electric connection, selector switch is used for control selection circuit's output mode selects, selection circuit is used for controlling LED output circuit's luminous mode selection, LED output circuit passes through power supply circuit and control module electric connection.
2. A solar powered light with selectable output circuitry as claimed in claim 1 wherein: the power supply circuit comprises a SOLAR panel (SOLAR), a first resistor (R1), a red light LED, a diode (D1) and a Battery (BAT), wherein the first resistor (R1) is connected with the red light LED in series and is connected with the SOLAR panel (SOLAR) in parallel, the output end of the diode (D1) is electrically connected with the SOLAR panel (SOLAR), and the input end of the diode (D1) is electrically connected with the Battery (BAT).
3. A solar powered light with selectable output circuitry as claimed in claim 1 wherein: the control module comprises a control chip (U1) and a capacitor (C1), the selection switch is connected with an OS end of the control chip (U1), the selection circuit is connected with a TCC end of the control chip (U1), and the LED output circuit is connected with a PWM end of the control chip (U1).
4. A solar powered light with selectable output circuitry as claimed in claim 3 wherein: one end of the capacitor (C1) is connected with the VDD end of the control chip (U1), and the other end of the capacitor (C1) is connected with the VSS end of the control chip (U1).
5. A solar powered light with selectable output circuitry as claimed in claim 3 wherein: the positive terminal of the selection switch is connected with the OS terminal of the control chip (U1), and the negative terminal of the selection switch is connected with the grounding terminal.
6. A solar powered light with selectable output circuitry as claimed in claim 3 wherein: the selection circuit comprises an input stub (K0), a first output stub (K1), a second output stub (K2) and a third output stub (K3), wherein the input stub (K0) is connected with a TCC (transmission control coefficient) end of a control chip (U1), and the control chip (U1) controls the selection circuit to shift gears to output and the selection switch switches the gears.
7. A solar powered light of selectable output circuitry as claimed in claim 6 wherein: the first output stub (K1) controls the LED output circuit to be high, the second output stub (K2) controls the LED output circuit to be bright, and the third output stub (K3) controls the LED output circuit to be low.
8. A solar powered light with selectable output circuitry as claimed in claim 3 wherein: the LED output circuit comprises an LED branch circuit, a second resistor (R2), a third resistor (R3), a field effect transistor (Q1) and a fourth resistor (R4), wherein the second resistor (R2) is connected with the third resistor (R3) in parallel and is connected with the LED branch circuit in series, the drain electrode of the field effect transistor (Q1) is connected with the second resistor (R2) and the third resistor (R3) in series, the source electrode of the field effect transistor (Q1) is connected with the grounding end, one end of the third resistor (R3) is connected with the grid electrode of the field effect transistor (Q1), and the other end of the third resistor (R3) is connected with the PWM end of the control chip (U1).
9. A solar powered light with selectable output circuitry as claimed in claim 8 wherein: the LED branch comprises a plurality of white light LEDs connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122078175.2U CN215734934U (en) | 2021-08-31 | 2021-08-31 | Solar lamp with selectable output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122078175.2U CN215734934U (en) | 2021-08-31 | 2021-08-31 | Solar lamp with selectable output circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215734934U true CN215734934U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122078175.2U Active CN215734934U (en) | 2021-08-31 | 2021-08-31 | Solar lamp with selectable output circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215734934U (en) |
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2021
- 2021-08-31 CN CN202122078175.2U patent/CN215734934U/en active Active
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