CN202791496U - Dimmable universal serial bus (USB) lamp - Google Patents
Dimmable universal serial bus (USB) lamp Download PDFInfo
- Publication number
- CN202791496U CN202791496U CN2012204517704U CN201220451770U CN202791496U CN 202791496 U CN202791496 U CN 202791496U CN 2012204517704 U CN2012204517704 U CN 2012204517704U CN 201220451770 U CN201220451770 U CN 201220451770U CN 202791496 U CN202791496 U CN 202791496U
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- Prior art keywords
- usb
- pin
- lamp group
- led lamp
- circuit
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- Expired - Fee Related
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- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000004438 eyesight Effects 0.000 abstract description 4
- 238000005286 illumination Methods 0.000 abstract description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 6
- 239000002184 metal Substances 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a universal serial bus (USB) lamp and belongs to the field of lamps. The USB lamp comprises a power connecting wire USB joint, a pedestal, an adjusting knob, an upright post and a light-emitting diode (LED) lamp group, wherein the LED lamp group is connected with the upright post; the upright post is fixed on the pedestal; the adjusting knob is fixed on the pedestal; one end of the power connecting wire USB joint is connected with a USB interface and the other end of the power connecting wire USB joint is connected with a circuit in the metal pedestal; and the LED lamp group and the adjusting knob are connected with the circuit in the metal pedestal. The USB lamp is characterized in that the circuit in the metal pedestal adopts a pulse width modulation (PWM) dimming driving circuit; a VBUS pin of an interface of the power connecting wire USB joint is connected with a VIN pin of a power adjusting module DCDC; a V0 pin of the power adjusting module DCDC is connected with a VIN pin of an integrated circuit LM3402/02HV; an SW pin of the integrated circuit LM3402/02HV is connected with an anode of the LED lamp group; and a CS pin of the integrated circuit LM3402/02HV is connected with a cathode of the LED lamp group. The USB lamp is simple in structure, can supply power directly through the USB interface to provide illumination with different brightness and can adjust lamplight brightness so as to save electric energy and protect eyesight.
Description
Technical field
The utility model relates to a kind of USB light fixture, especially utilizes the bright-dark degree of the utility model lamp light adjustable, belongs to technical field of lamps.
Background technology
Along with popularizing of the fast development of USB technology and computer, the USB lamp is more and more accepted by people, and this product uses simple, does not possess at night for people that working and learning provide necessary light source in the situation of enough supply sockets.But traditional USB lamp can't capable of adjusting brightness, under many circumstances, this has not only produced unnecessary waste to electric energy, and, under high light, work for a long time, also can cause adverse effect to people's eyesight, in addition, some light fixtures use the simple mode that changes voltage to regulate the light light and shade, and light can produce flicker in adjustment process, thus the discomfort reaction that causes human eye to bring because of the intensity of light instantaneous variation.
Summary of the invention
The purpose of this utility model is to provide a kind of USB light fixture of tunable optical; it can satisfy user's lighting demand, can change again the bright-dark degree of LED light, and light can not produce flicker in the process that changes light and shade; both save electric energy, protected again people's eyesight.
The technical scheme that its technical problem that solves the utility model adopts is: as shown in Figure 2, the utility model is a kind of USB light fixture of tunable optical type, comprise electric power connection line USB joint 1, base 2, adjusting knob 3, column 4, LED lamp group 6, LED lamp group 6 connects column 4, column 4 is fixed on the base 2, adjusting knob 3 is fixed on the base 2, one end of electric power connection line USB joint 1 connects USB interface, the other end is connected with the circuit of metab 2 inside, and LED lamp group 6 is connected with adjusting knob and all is connected with the circuit of metab inside; The circuit of metab 2 inside adopts the PWM dimming driving circuit, wherein the VBUS pin of the interface of electric power connection line USB joint 1 links to each other with the VIN pin of the power adjustment module DCDC that is connected adjusting knob 3, the V0 pin of power adjustment module DCDC links to each other with the VIN pin of integrated circuit LM3402/02HV, the SW pin of integrated circuit LM3402/02HV connects the anode of LED lamp group, and the CS pin of integrated circuit LM3402/02HV connects the negative electrode of LED lamp group.As shown in figs. 1 and 3.
But described LED lamp group 6 connects column 4 by adjustment sheet 5, but adjustment sheet is made in order to change at any time the light angle of lamp by the TPR thermoplastic elastic material.
The beneficial effects of the utility model are, and are simple in structure, can directly power to provide the illumination of different brightness by USB interface, thereby and save electric energy, vision protection by regulating the light light and shade.
Description of drawings
Fig. 1 is circuit structure diagram of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is PWM dimming driving circuit schematic diagram of the present utility model.
Each label is among the figure: but 1-electric power connection line USB joint, 2-base, 3-adjusting knob, 4-column, 5-adjustment sheet, 6-LED lamp group.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described further, but the utility model is not limited to the following stated scope.
Embodiment 1: the USB light fixture of the tunable optical type of present embodiment, comprise electric power connection line USB joint 1, base 2, adjusting knob 3, column 4, LED lamp group 6, LED lamp group 6 connects column 4, column 4 is fixed on the base 2, adjusting knob 3 is fixed on the base 2, one end of electric power connection line USB joint 1 connects USB interface, and the other end is connected with the circuit of metab 2 inside, and LED lamp group 6 is connected with adjusting knob and all is connected with the circuit of metab inside; The circuit of metab 2 inside adopts the PWM dimming driving circuit, wherein the VBUS pin of the interface of electric power connection line USB joint 1 links to each other with the VIN pin of the power adjustment module DCDC that is connected adjusting knob 3, the V0 pin of power adjustment module DCDC links to each other with the VIN pin of integrated circuit LM3402/02HV, the SW pin of integrated circuit LM3402/02HV connects the anode of LED lamp group, and the CS pin of integrated circuit LM3402/02HV connects the negative electrode of LED lamp group.As shown in Figure 1.But LED lamp group 6 connects column 4 by adjustment sheet 5, but adjustment sheet is made in order to change at any time the light angle of lamp by the TPR thermoplastic elastic material.
Embodiment 2: the USB light fixture of the tunable optical type of present embodiment, as shown in Figure 1, comprise electric power connection line USB joint 1, base 2, adjusting knob 3, column 4, LED lamp group 6, LED lamp group 6 connects column 4, column 4 is fixed on the base 2, and adjusting knob 3 is fixed on the base 2, and an end of electric power connection line USB joint 1 connects USB interface, the other end is connected with the circuit of metab 2 inside, and LED lamp group 6 is connected with adjusting knob and all is connected with the circuit of metab inside; The circuit of metab 2 inside adopts the PWM dimming driving circuit, wherein the VBUS pin of the interface of electric power connection line USB joint 1 links to each other with the VIN pin of the power adjustment module DCDC that is connected adjusting knob 3, the V0 pin of power adjustment module DCDC links to each other with the VIN pin of integrated circuit LM3402/02HV, the SW pin of integrated circuit LM3402/02HV connects the anode of LED lamp group, and the CS pin of integrated circuit LM3402/02HV connects the negative electrode of LED lamp group.As shown in figs. 1 and 3.
Claims (2)
1. tunable optical type USB light fixture, comprise electric power connection line USB joint (1), base (2), adjusting knob (3), column (4), LED lamp group (6), LED lamp group (6) connects column (4), column (4) is fixed on the base (2), adjusting knob (3) is fixed on the base (2), one end of electric power connection line USB joint (1) connects USB interface, the other end is connected with the circuit of metab (2) inside, LED lamp group (6) is connected 3 with adjusting knob) all the circuit with metab inside be connected, it is characterized in that: the inner circuit of metab (2) adopts the PWM dimming driving circuit, wherein the VBUS pin of the interface of electric power connection line USB joint (1) links to each other with the VIN pin of the power adjustment module DCDC that is connected adjusting knob (3), the V0 pin of power adjustment module DCDC links to each other with the VIN pin of integrated circuit LM3402/02HV, the SW pin of integrated circuit LM3402/02HV connects the anode of LED lamp group, and the CS pin of integrated circuit LM3402/02HV connects the negative electrode of LED lamp group.
2. tunable optical type USB light fixture according to claim 1 is characterized in that: described LED lamp group (6) but connect column (4) by adjustment sheet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204517704U CN202791496U (en) | 2012-09-06 | 2012-09-06 | Dimmable universal serial bus (USB) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204517704U CN202791496U (en) | 2012-09-06 | 2012-09-06 | Dimmable universal serial bus (USB) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202791496U true CN202791496U (en) | 2013-03-13 |
Family
ID=47818755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204517704U Expired - Fee Related CN202791496U (en) | 2012-09-06 | 2012-09-06 | Dimmable universal serial bus (USB) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202791496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11397693B2 (en) | 2016-01-27 | 2022-07-26 | Signify Holding B.V. | Peripheral device, system including the peripheral device and method |
-
2012
- 2012-09-06 CN CN2012204517704U patent/CN202791496U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11397693B2 (en) | 2016-01-27 | 2022-07-26 | Signify Holding B.V. | Peripheral device, system including the peripheral device and method |
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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: 20130313 Termination date: 20150906 |
|
| EXPY | Termination of patent right or utility model |