CN202309121U - Charging circuit for solar LED (Light Emitting Diode) lamp - Google Patents
Charging circuit for solar LED (Light Emitting Diode) lamp Download PDFInfo
- Publication number
- CN202309121U CN202309121U CN2011203853101U CN201120385310U CN202309121U CN 202309121 U CN202309121 U CN 202309121U CN 2011203853101 U CN2011203853101 U CN 2011203853101U CN 201120385310 U CN201120385310 U CN 201120385310U CN 202309121 U CN202309121 U CN 202309121U
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- circuit
- charging
- cpu
- lamp
- light emitting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a charging circuit, in particular to a charging circuit for a solar LED (Light Emitting Diode) lamp. The charging circuit comprises a CPU (Central Processing Unit), wherein an input end of the CPU is connected with a battery voltage detection circuit and an inverted detection circuit; and an output end of the CPU is connected with a constant current driven closing circuit, a charging control circuit and a low electricity prompt circuit. According to the charging circuit, the input end of the CPU is connected with the inverted charging circuit, meanwhile, the CPU is used for controlling switching between the charging control circuit and the constant current driven closing circuit, so that the phenomenon of charging and discharging at the same time can be effectively prevented, invalid charging is avoided, the service life of the LED lamp is prolonged, the LED lamp is convenient to charge, and the utilization rate of solar energy, the charging efficiency and the LED lighting brightness are high.
Description
Technical field
The utility model relates to a kind of charging circuit, especially a kind of charging circuit that is used for solar LED (Light Emitting Diode) lamp.
Background technology
Along with progress of science and technology; The continuous consumption of non-renewable energy resources, human more and more urgent to the pursuit of energy-conserving and environment-protective, solar energy is as the novel energy of environmental protection; Continually developed and utilized; The LED lamp is also continually developed and is improved as the energy-conserving and environment-protective product in the illuminations, yet is difficult in the prior art Application of Solar Energy to LED lamp the inside; Even have Application of Solar Energy is arrived the LED lamp, be mostly to be applied to the field emergency illumination, the function and application occasion is more single; Solar energy utilization ratio is low, and charging circuit is complicated, makes its charging trouble; Charge efficiency is low, and brightness of illumination is not high, also can be perfect inadequately because of circuit; Make LED lamp take place the to charge phenomenon of an edge discharge easily on one side, cause invalid charging, reduce LED lamp useful life.
Summary of the invention
The utility model is in order to solve defective and the deficiency that above-mentioned prior art exists; Provide a kind of charge phenomenon of an edge discharge of LED lamp that can effectively prevent to take place on one side; Stop invalid charging; Prolong LED lamp useful life, can make the charging circuit that is used for solar LED (Light Emitting Diode) lamp that the charging of LED lamp is convenient, solar energy utilization ratio is high, charge efficiency is high and brightness of illumination is high simultaneously.
The technical scheme of the utility model: a kind of charging circuit that is used for solar LED (Light Emitting Diode) lamp; Comprise CPU; The input of said CPU is connected with battery voltage detection circuit and is inverted testing circuit, and the output of said CPU is connected with constant-current driving shut-off circuit, charging control circuit and low electric cue circuit.
Preferably, the input of said CPU also is connected with signal feedback circuit, and the output that the input of said signal feedback circuit is connected with low electric cue circuit connects.
Preferably, the output of said charging control circuit is connected with the charged state indicating circuit.
The input that the utility model is used in CPU connects the inversion charging circuit; Control the switching of charging control circuit and constant-current driving shut-off circuit simultaneously with CPU; The phenomenon of an edge discharge of can effectively preventing to charge on one side takes place; Stop invalid charging, prolong LED lamp useful life, and make that the charging of LED lamp is convenient, solar energy utilization ratio is high, charge efficiency is high and make the LED brightness of illumination high.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed explanation, but be not restriction the utility model protection range.
As shown in Figure 1; A kind of charging circuit that is used for solar LED (Light Emitting Diode) lamp; Comprise CPU, the input of CPU is connected with battery voltage detection circuit and is inverted testing circuit, and the output of CPU is connected with constant-current driving shut-off circuit, charging control circuit and low electric cue circuit.The input of CPU also is connected with signal feedback circuit, and the output that the input of said signal feedback circuit is connected with low electric cue circuit connects.The output of charging control circuit is connected with the charged state indicating circuit.
The operation principle of the utility model is: when battery voltage supervisory circuit detects the cell voltage deficiency; The low electric cue circuit work of CPU control; Low electric cue circuit passes through signal feedback circuit signal feedback is arrived CPU, and user's charging is reminded in low electric cue circuit work, when the user charges the solar LED (Light Emitting Diode) lamp inversion; The inversion testing circuit is activated, and the output of this circuit is by CPU monitoring in real time.In case be activated, CPU will monitor this state of activation, and CPU is through after relatively confirming, the output of positive closing constant-current circuit, and the work of the charged state of charging control circuit control simultaneously indicating circuit points out the LED lamp to charge.Can prevent that like this user charges on one side, an edge discharge has been avoided invalid charging.
The input that the utility model is used in CPU connects the inversion charging circuit; Control the switching of charging control circuit and constant-current driving shut-off circuit simultaneously with CPU; The phenomenon of an edge discharge of can effectively preventing to charge on one side takes place; Stop invalid charging, prolong LED lamp useful life, and make that the charging of LED lamp is convenient, solar energy utilization ratio is high, charge efficiency is high and make the LED brightness of illumination high.
Claims (3)
1. charging circuit that is used for solar LED (Light Emitting Diode) lamp; Comprise CPU; It is characterized in that: the input of said CPU is connected with battery voltage detection circuit and is inverted testing circuit, and the output of said CPU is connected with constant-current driving shut-off circuit, charging control circuit and low electric cue circuit.
2. a kind of charging circuit that is used for solar LED (Light Emitting Diode) lamp according to claim 1, it is characterized in that: the input of said CPU also is connected with signal feedback circuit, and the output that the input of said signal feedback circuit is connected with low electric cue circuit connects.
3. a kind of charging circuit that is used for solar LED (Light Emitting Diode) lamp according to claim 1, it is characterized in that: the output of said charging control circuit is connected with the charged state indicating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203853101U CN202309121U (en) | 2011-10-12 | 2011-10-12 | Charging circuit for solar LED (Light Emitting Diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203853101U CN202309121U (en) | 2011-10-12 | 2011-10-12 | Charging circuit for solar LED (Light Emitting Diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309121U true CN202309121U (en) | 2012-07-04 |
Family
ID=46377934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203853101U Expired - Fee Related CN202309121U (en) | 2011-10-12 | 2011-10-12 | Charging circuit for solar LED (Light Emitting Diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309121U (en) |
-
2011
- 2011-10-12 CN CN2011203853101U patent/CN202309121U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20151012 |
|
| EXPY | Termination of patent right or utility model |