CN202747219U - Energy-saving type LED (Light Emitting Diode) table lamp - Google Patents
Energy-saving type LED (Light Emitting Diode) table lamp Download PDFInfo
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- CN202747219U CN202747219U CN2012203385905U CN201220338590U CN202747219U CN 202747219 U CN202747219 U CN 202747219U CN 2012203385905 U CN2012203385905 U CN 2012203385905U CN 201220338590 U CN201220338590 U CN 201220338590U CN 202747219 U CN202747219 U CN 202747219U
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- automatic switching
- switching controller
- constant
- light source
- energy
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- 230000007613 environmental effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses an energy-saving type LED (Light Emitting Diode) table lamp which comprises a base, a bracket and a lamp holder with an LED light source, wherein the base is internally provided with an alternative current-to-direct current transformer, a constant-current constant-voltage driving unit, a solar battery, a mains power interface and an automatic switching controller; the mains power interface is connected with the alternative current power supply input end of the automatic switching controller; the solar battery is connected with the direct current power supply input end of the automatic switching controller; the alternative current power supply output end of the automatic switching controller is connected with the constant-current constant-voltage driving unit through the alternative current-to-direct current transformer; the constant-current constant-voltage driving unit is connected with the LED light source; and the direct current power supply output end of the automatic switching controller is connected with the LED light source through the constant-current constant-voltage driving unit. The energy-saving type LED table lamp is simple in structure and convenient to use, and can be both supplied with power through the mains power and the solar battery, thereby being environmental-friendly and electric energy saving.
Description
Technical field
The utility model relates to a kind of light fixture, is specifically related to a kind of energy-saving LED desk lamp.
Background technology
The LED desk lamp is that light emitting diode is as the desk lamp of light source take LED (Light Emitting Diode) exactly, LED is a kind of solid-state semiconductor devices, it can directly be converted into light to electricity, have energy-saving and environmental protection, safe and reliable characteristics, replaced the new type light source that the traditional lighting utensil has potentiality by the Future Ten year that industry is had an optimistic view of, represent the future of lighting engineering.Because the power of LED illuminator is very low, we can effectively utilize existing solar battery technology.
The utility model content
The utility model purpose: the purpose of this utility model is to provide a kind of energy-saving LED desk lamp, and the led light source of this desk lamp can be powered by the solar cell piece.
Technical scheme: a kind of energy-saving LED desk lamp described in the utility model, comprise base, support and the lamp holder that is provided with led light source, be provided with the alternating current-direct current transformer in the described base, the constant current constant voltage driver element, solar cell, commercial power interface and automatic switching controller, described commercial power interface is connected with the ac power input end of described automatic switching controller, described solar cell is connected with the dc supply input of described automatic switching controller, the ac power output of described automatic switching controller is connected with the constant current constant voltage driver element by described alternating current-direct current transformer, described constant current constant voltage driver element is connected with led light source, and the dc-battery output of described automatic switching controller is connected with led light source by described constant current constant voltage driver element.
Further, described led light source is single the great power LED that is arranged on the circuit board.
For convenient solar cell is taken off by the sunlight charging, shown in solar cell be fastened in the bottom recesses of described base.
The utility model compared with prior art, its beneficial effect is: the utility model is simple in structure, and is easy to use, both can pass through mains-supplied, can pass through solar cell for supplying power, environmental protection and saves energy again.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
The below is elaborated to technical solutions of the utility model, but protection domain of the present utility model is not limited to described embodiment.
As shown in Figure 1, a kind of energy-saving LED desk lamp, comprise base 1, support 2 and the lamp holder 3 that is provided with led light source, described led light source is single the great power LED that is arranged on the circuit board, be provided with the alternating current-direct current transformer in the described base 1, the constant current constant voltage driver element, solar cell 4, commercial power interface and automatic switching controller, described commercial power interface is connected with the ac power input end of described automatic switching controller, described solar cell 4 is connected with the dc supply input of described automatic switching controller, the ac power output of described automatic switching controller is connected with the constant current constant voltage driver element by described alternating current-direct current transformer, described constant current constant voltage driver element is connected with led light source, and the dc-battery output of described automatic switching controller is connected with led light source by described constant current constant voltage driver element.
During use, can first solar cell 4 be taken off placement and charge in the sun, right and be engaged in the bottom recesses of base 1, first by solar cell for supplying power, if solar cell 4 electric energy exhaust can switch to mains-supplied well, simple in structure, easy to use, environmental protection and saves energy.
As mentioned above, although represented and explained the utility model with reference to specific preferred embodiment, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (3)
1. energy-saving LED desk lamp, comprise base, support and the lamp holder that is provided with led light source, it is characterized in that, be provided with the alternating current-direct current transformer in the described base, the constant current constant voltage driver element, solar cell, commercial power interface and automatic switching controller, described commercial power interface is connected with the ac power input end of described automatic switching controller, described solar cell is connected with the dc supply input of described automatic switching controller, the ac power output of described automatic switching controller is connected with the constant current constant voltage driver element by described alternating current-direct current transformer, described constant current constant voltage driver element is connected with led light source, and the dc-battery output of described automatic switching controller is connected with led light source by described constant current constant voltage driver element.
2. energy-saving LED desk lamp according to claim 1 is characterized in that, described led light source is single the great power LED that is arranged on the circuit board.
3. energy-saving LED desk lamp according to claim 1 is characterized in that, shown in solar cell be fastened in the bottom recesses of described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203385905U CN202747219U (en) | 2012-07-13 | 2012-07-13 | Energy-saving type LED (Light Emitting Diode) table lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203385905U CN202747219U (en) | 2012-07-13 | 2012-07-13 | Energy-saving type LED (Light Emitting Diode) table lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202747219U true CN202747219U (en) | 2013-02-20 |
Family
ID=47706609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203385905U Expired - Fee Related CN202747219U (en) | 2012-07-13 | 2012-07-13 | Energy-saving type LED (Light Emitting Diode) table lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202747219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777849A (en) * | 2012-07-13 | 2012-11-14 | 苏州晶雷光电照明科技有限公司 | Energy-saving light-emitting diode (LED) table lamp |
-
2012
- 2012-07-13 CN CN2012203385905U patent/CN202747219U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777849A (en) * | 2012-07-13 | 2012-11-14 | 苏州晶雷光电照明科技有限公司 | Energy-saving light-emitting diode (LED) table lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20130713 |