CN203893052U - LED (Light Emitting Diode) solar table lamp - Google Patents
LED (Light Emitting Diode) solar table lamp Download PDFInfo
- Publication number
- CN203893052U CN203893052U CN201420218681.4U CN201420218681U CN203893052U CN 203893052 U CN203893052 U CN 203893052U CN 201420218681 U CN201420218681 U CN 201420218681U CN 203893052 U CN203893052 U CN 203893052U
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- led
- lamp
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- circuit board
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Abstract
The utility model relates to an LED (Light Emitting Diode) solar table lamp. The LED solar table lamp comprises a lamp arm; the lower end of the lamp arm is connected with a lamp base; the upper end of the lamp arm is connected with a lamp cover; LED lamp beads are arranged on the lamp cover; a circuit board and a storage battery are arranged inside the lamp base; the LED lamp beads are connected to the circuit board through leads; a first LED indicating lamp and a second LED indicating lamp are arranged on the lamp base; solar cell panels are arranged on the lamp cover and the lamp base; the circuit board is connected with the storage battery, the lamp beads, the solar cell panels, the first LED indicating lamp and the second LED indicating lamp; a charging protective circuit, a storage battery capacity detection circuit and an LED driving protective circuit which connects the LED lamp beads are arranged on the circuit board. The LED solar table lamp has the advantages of being environmental friendly, avoiding the storage battery from being damaged due to overcharge, prolonging the service life of the storage battery, indicating the current capacity condition of the storage battery through the storage battery capacity detection circuit and driving to lighten and protect the LED lamp beads through a driving chip and a current-limiting resistor.
Description
Technical field
The utility model relates to a kind of illuminator, particularly a kind of LED solar energy desk lamp.
Background technology
Solar energy is inexhaustible green energy resource, and aboundresources both can freely use, need not transport again, to environment without any pollution.For the mankind have created a kind of new lifestyle, make the mankind and society enter one and save the epoch that energy minimizing is polluted.Heliotechnics meets the requirement of " Resources for construction economizing type and the friendly environment society " that propose when former government.
In life, most of desk lamps carry out powered lighting by connecting external power source, need to expend a large amount of electric energy, and Expenses Cost is higher, has brought burden to user.Simultaneously most of desk lamps adopt incandescent lamps as alight source, exist luminous efficiency poor, consume energy highly, heat is large, the problem that service life is short.
Solar panel is larger due to the variation of sunshine in use, and its internal resistance is higher again, and therefore output voltage is unstable, and output current is less.Directly charge a battery and not only can shorten the life-span of battery, and may occur the phenomenon of electric current adverse current.In addition, utilize battery to store the electric energy that sunshine transforms, battery is the whether too low special problem of being concerned about of user that becomes of electric weight in use, needs to show in real time the electric weight situation of battery.
Utility model content
The purpose of this utility model will overcome above-mentioned shortcoming exactly, and a kind of desk lamp that utilizes solar energy to throw light on is provided, and it can utilize solar panel to charge, and indicates the electric weight situation of current battery by LED light.
For realizing this object, the technical solution adopted in the utility model is a kind of LED solar energy desk lamp, it comprises arm, arm lower end is connected with lamp socket, described arm upper end is connected with lampshade, on described lampshade, be provided with LED lamp pearl, be provided with circuit board and battery in lamp socket inside, LED lamp pearl is wired to circuit board, on lamp socket, be provided with the first LED light and the second LED light, a solar panel is respectively set on described lampshade and lamp socket, described circuit board connects battery, lamp pearl, solar panel and the first LED light, the second LED light, on described circuit board, be provided with charge protector, accumulator electric-quantity testing circuit and be connected the LED Drive Protecting Circuit of LED lamp pearl.
Described arm comprises upper and lower two parts, between upper and lower two parts, is flexibly connected by rotating shaft I, and arm upper end is flexibly connected by rotating shaft II with lampshade.
Described charge protector is made up of counterflow-preventing diode and voltage boosting and stabilizing circuit.
Described accumulator electric-quantity testing circuit comprises the transistor switching circuit connected with described battery, the LED drive circuit connected with described transistor switching circuit and the first LED light and the second LED light being connected with described LED drive circuit.
Described LED Drive Protecting Circuit is made up of the current-limiting resistance that drives chip and be attached thereto.
Of the present utility model producing effect: 1, utilize solar panel to convert solar energy into electrical energy to be stored in battery as desk lamp provides power supply environmental protection; 2, on table lamp circuit plate, charge protector is set, can avoids battery overcharge and damage, increasing storage battery service life; 3, accumulator electric-quantity testing circuit is set on table lamp circuit plate, indicate the electric weight situation of current battery by its LED light, in the time that electric weight is not enough, reminding user is placed on well-lighted local charging by day in time, ensures that user is at normal study and work at night; 4, utilize and drive chip drives lightening LED lamp pearl, by using current-limiting resistance to play a protective role to LED lamp pearl.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is charge protector schematic diagram of the present utility model.
Fig. 3 is the structural representation of accumulator electric-quantity testing circuit of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the utility model is a kind of LED solar energy desk lamp, and it comprises arm 4, and arm 4 is made up of upper and lower two parts, between upper and lower two parts, is flexibly connected by rotating shaft I5, and arm 4 upper ends are flexibly connected by rotating shaft II5 ' with lampshade.Arm 4 lower ends are fixedly connected with lamp socket 8, and described arm 4 upper ends are connected with lampshade 2, are provided with LED lamp pearl 7 on described lampshade 2, and its quantity can be determined as required.Be provided with circuit board 3 and battery 9 in lamp socket 8 inside, LED lamp pearl 7 is connected to circuit board 3 by the wire being arranged in arm.On lamp socket 8, be provided with the first LED light LED1 and the second LED light LED2, a solar panel 1,6 is respectively set on lampshade 2 and lamp socket 8, and circuit board 3 connects battery 9, solar panel 1,6 and the first LED light LED1, the second LED light LED2.
On described circuit board, be provided with charge protector, accumulator electric-quantity testing circuit and be connected the LED Drive Protecting Circuit of LED lamp pearl 7.Described charge protector is made up of counterflow-preventing diode and voltage boosting and stabilizing circuit.As shown in Figure 2, solar panel is connected to battery by counterflow-preventing diode, DC-DC booster circuit and mu balanced circuit successively, avoids battery to overcharge, increasing storage battery service life.
LED Drive Protecting Circuit is made up of the current-limiting resistance that drives chip and be attached thereto.
As shown in Figure 3, accumulator electric-quantity testing circuit comprises transistor switching circuit, LED drive circuit, the first LED light LED l and the second LED light LED2.Battery drives by transistor switching circuit, the LED drive circuit connected with described transistor switching circuit the first LED light LED l and the second LED light LED2 that are connected with described LED drive circuit successively.Described transistor switching circuit comprises resistance R l, resistance R 7, resistance R 2, resistance R 8 and triode Ql, Zener diode Zl, wherein, resistance R l and resistance R 7 are connected on described accumulator anode and cathode two ends, the base stage of triode Ql is connected between resistance R l and resistance R 7 by Zener diode Zl, the emitter stage of triode Ql is connected to the negative pole of battery, and the colelctor electrode of triode Ql is connected to the positive pole of battery via resistance R 2, and resistance R 8 is connected between the base stage and emitter stage of triode Ql.Described LED drive circuit comprises resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 9, resistance R 10, resistance R 11, resistance R 12, triode Q2 and triode Q3, wherein, triode Q2 is connected to via resistance R 9 on the colelctor electrode of triode Ql, the emitter stage of triode Q2 is connected to the negative pole of battery, resistance R 10 is connected between the base stage and emitter stage of triode Q2, the base stage of triode Q3 is connected to via resistance R 11 on the colelctor electrode of triode Q2, resistance R 12 is connected between the base stage and emitter stage of triode Q3, resistance R 4 and resistance R 3 are connected between the positive pole of battery and the colelctor electrode of triode Q2, resistance R 6 and resistance R 5 are connected between the positive pole of battery and the colelctor electrode of triode Q3, on the two ends of resistance R 3, connect the first LED light LED l, on the two ends of resistance R 5, connect the second LED light LED2.Luminous separately as the first LED light LED l, instruction battery tension is too low; Luminous separately as the second LED light LED 2, instruction battery tension is normal; In the time that battery does not have electricity completely, the first LED light LED l and the second LED light LED 2 all extinguish.
Claims (5)
1. a LED solar energy desk lamp, it comprises arm (4), arm (4) lower end is connected with lamp socket (8), described arm (4) upper end is connected with lampshade (2), on described lampshade (2), be provided with LED lamp pearl (7), be provided with circuit board (3) and battery (9) in lamp socket (8) inside, LED lamp pearl (7) is wired to circuit board (3), it is characterized in that: on lamp socket (8), be provided with the first LED light (LED1) and the second LED light (LED2), at described lampshade (2) and the upper each solar panel (1 that arranges of lamp socket (8), 6), described circuit board (3) connects battery (9), lamp pearl (7), solar panel (1, 6) and the first LED light (LED1), the second LED light (LED2), on described circuit board, be provided with charge protector, accumulator electric-quantity testing circuit and be connected the LED Drive Protecting Circuit of LED lamp pearl (7).
2. LED solar energy desk lamp according to claim 1, is characterized in that: described arm (4) comprises upper and lower two parts, between upper and lower two parts by rotating shaft I(5) be flexibly connected, arm upper end with lampshade by rotating shaft II(5 ') be flexibly connected.
3. LED solar energy desk lamp according to claim 1, is characterized in that: described charge protector is made up of counterflow-preventing diode and voltage boosting and stabilizing circuit.
4. LED solar energy desk lamp according to claim 1, is characterized in that: described accumulator electric-quantity testing circuit comprises the transistor switching circuit connected with described battery, LED drive circuit and first LED light (LED1) that with described LED drive circuit be connected and second LED light (LED2) connected with described transistor switching circuit.
5. LED solar energy desk lamp according to claim 1, is characterized in that: described LED Drive Protecting Circuit is made up of the current-limiting resistance that drives chip and be attached thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218681.4U CN203893052U (en) | 2014-04-30 | 2014-04-30 | LED (Light Emitting Diode) solar table lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218681.4U CN203893052U (en) | 2014-04-30 | 2014-04-30 | LED (Light Emitting Diode) solar table lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203893052U true CN203893052U (en) | 2014-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420218681.4U Expired - Fee Related CN203893052U (en) | 2014-04-30 | 2014-04-30 | LED (Light Emitting Diode) solar table lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203893052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964201A (en) * | 2015-07-30 | 2015-10-07 | 苏州汉瑞森光电科技有限公司 | LED table lamp |
-
2014
- 2014-04-30 CN CN201420218681.4U patent/CN203893052U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964201A (en) * | 2015-07-30 | 2015-10-07 | 苏州汉瑞森光电科技有限公司 | LED table lamp |
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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: 20141022 Termination date: 20150430 |
|
| EXPY | Termination of patent right or utility model |