CN201795370U - LED eye protection table lamp - Google Patents

LED eye protection table lamp Download PDF

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Publication number
CN201795370U
CN201795370U CN2010205484643U CN201020548464U CN201795370U CN 201795370 U CN201795370 U CN 201795370U CN 2010205484643 U CN2010205484643 U CN 2010205484643U CN 201020548464 U CN201020548464 U CN 201020548464U CN 201795370 U CN201795370 U CN 201795370U
Authority
CN
China
Prior art keywords
lamp
led
desk lamp
protecting desk
eye
Prior art date
Application number
CN2010205484643U
Other languages
Chinese (zh)
Inventor
廖海鸿
Original Assignee
深圳市领华新照明科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳市领华新照明科技有限公司 filed Critical 深圳市领华新照明科技有限公司
Priority to CN2010205484643U priority Critical patent/CN201795370U/en
Application granted granted Critical
Publication of CN201795370U publication Critical patent/CN201795370U/en

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Abstract

The utility model relates to a light-emitting diode (LED) eye protection table lamp, which comprises a circular lamp cap shell, a lamp bracket connected with the lamp cap shell, a base rotationally connected with the lamp bracket and supporting the eye protection table lamp, and a diffusion plate connected with the circular lamp cap shell, wherein a light source cavity is formed between the circular lamp cap shell and the diffusion plate. The table lamp is characterized in that: a printed circuit board (PCB) is arranged in the light source cavity, and a plurality of LED light sources are uniformly arranged on the PCB; and the power of the LED light sources is more than 0.2 watt. The plurality of LED light sources with power of more than 0.2 watt are uniformly arranged on the PCB in the light source cavity, and the high-power LED light sources are superior to low-power LED light sources, so the LED eye protection table lamp has the advantages of good stability, high light attenuation, high brightness and long service life.

Description

A kind of LED eye-protecting desk lamp
Technical field
The utility model relates to lighting field at home, more particularly, relates to a kind of LED eye-protecting desk lamp.
Background technology
Early stage desk lamp comprises lamp socket, lampshade, bulb and cable, and lamp socket links to each other with the lampshade one, in bulb setting and the lampshade, is used to be connected bulb or uses electrical socket in cable setting and the lamp socket.It dazzles bright showing as the desk lamp of light source by bulb, and electromagnetic radiation is serious, and energy consumption is big.People adopted electricity-saving lamp to replace incandescent lamp bulb afterwards, obtained positive effect aspect energy saving, but the electricity-saving lamp flicker is serious, and the light stroboscopic is inhomogeneous, and the life-span is shorter.In recent years, the eye-protecting desk lamp that is called no stroboscopic on the market is a lot, and the mode that most desk lamp adopts electric ballast to improve frequency is worked, and can only be called high stroboscopic desk lamp rather than real no stroboscopic desk lamp.
The frequency of supply of early stage common desk lamp is 50 hertz, represents when luminous per second bright dark 100 times, belongs to low-frequency strobe light, can make the adjusting organ of human eye be in nervous adjustment state, causes visual fatigue.Glow frequency is brought up to then becomes high-frequency more than hundreds of, tens thousand of hertz, and human eye does not promptly have the stroboscopic sensation.In recent years, people begin LED is used for desk lamp, and LED has superior performance anti-dazzling aspect the light, and it is not only energy-conservation but also prolonged greatly service life as cold light source.The present LED desk lamp part that still has some deficits mainly is mainly to be to adopt low power led light source on the market, and brightness constancy is bad, and light decay is little, and the LED ray cast is concentrated, and light is brilliant dazzling, causes eye fatigue easily.
The utility model content
The technical problems to be solved in the utility model is, and is bad at the brightness constancy of the low-power LED light source that exists in the prior art, light decay is little, the defective of luminance shortage, and a kind of LED eye-protecting desk lamp is provided, and can finely address the above problem.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of LED eye-protecting desk lamp, comprise circular lamp shell, be connected the lamp bracket that is provided with described lamp shell, the diffuser plate that is rotationally connected described lamp bracket and supports the base of described eye-protecting desk lamp and is connected setting with described circular lamp shell, constitute light-source chamber between described circular lamp shell and the described diffuser plate, it is characterized in that: be provided with pcb board in the described light-source chamber, evenly be provided with the plurality of LEDs light source on the described pcb board; The power of described led light source is more than 0.2 watt.
A kind of LED eye-protecting desk lamp of the utility model, preferred, the power of described led light source is 0.2 watt, 1.0 watts, 3.0 watts or 5.0 watts.
A kind of LED eye-protecting desk lamp of the utility model, preferred, be provided with radiator between described pcb board and the described circular lamp shell; Described radiator is a high purity aluminum material.
A kind of LED eye-protecting desk lamp of the utility model, preferred, described diffuser plate is an optical diffusing plate, described led light source forms the uniform light of luminous intensity distribution through described diffuser plate.
A kind of LED eye-protecting desk lamp of the utility model, preferred, described LED eye-protecting desk lamp also comprises circumscripted power line; Described power line comprises switch and realizes that ac high-voltage is converted into the adapter of dc low-voltage electricity.
A kind of LED eye-protecting desk lamp of the utility model, preferred, the operating voltage of described LED eye-protecting desk lamp is 25V.
A kind of LED eye-protecting desk lamp of the utility model, preferred, described circular lamp shell adopts engineering plastic, and its surface is provided with the radiate heat and ventilate hole.
A kind of LED eye-protecting desk lamp of the utility model, preferred, described base is by the connector described lamp bracket that is rotationally connected, and described lamp bracket is realized position adjustments within the specific limits.
The utility model can reach following beneficial effect: by evenly being provided with many power on the pcb board in light-source chamber is led light source more than 0.2 watt, the advantage of utilizing high-power LED light source to have than low-power LED light source, thus realize LED eye-protecting desk lamp good stability, light decay is big, brightness is strong, the life-span is long.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the exploded perspective view of LED eye-protecting desk lamp of the present utility model;
Fig. 2 is the schematic perspective view of LED eye-protecting desk lamp of the present utility model;
Fig. 3 is the schematic perspective view of another angle of LED eye-protecting desk lamp of the present utility model;
Fig. 4 is the schematic diagram of the power line of LED eye-protecting desk lamp of the present utility model.
Among the figure
1, circular lamp shell 2, radiator
3, stainless steel gasket 4, thumb screw
5, self-tapping screw 6, pcb board
7, cross round end self-tapping screw 8, diffuser plate fixed screw
9, fixedly trim ring 10, circular diffuser plate of diffuser plate
11, lamp housing protecgulum 12, M10 tooth joint
13, wavy spring pad 14, lamp housing connector
15, lamp bracket 16, base
17, adapter 18, line traffic control switch
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
A preferred embodiment that provides for the utility model as Fig. 1~3, a kind of LED eye-protecting desk lamp, comprise circular lamp shell 1, be connected the lamp bracket 15 that is provided with lamp shell 1, the diffuser plate 10 that is rotationally connected lamp bracket 15 and supports the base 16 of eye-protecting desk lamp and is connected setting with circular lamp shell 1, constitute light-source chamber between circular lamp shell 1 and the diffuser plate 10, be provided with pcb board 6 in the light-source chamber, evenly be provided with the plurality of LEDs light source on the pcb board 6.
The power of led light source is more than 0.2 watt, and the power of led light source can be 0.2 watt, 1.0 watts, 3.0 watts, 5.0 watts or high power more.The utility model adopts 0.2 watt one led light source, compares with single 0.065 watt general small-power desk lamp, and brightness constancy is good, and light decay is little, and the life-span is long.
The plurality of LEDs light source is evenly distributed on the pcb board, and pcb board is an aluminium base, also is provided with conductor wire on the pcb board, is connected with power supply by conductor wire.
Be provided with radiator 2 between pcb board and the circular lamp shell, circular lamp shell 1 is fixing by self-tapping screw 5 with radiator 2, and pcb board 6 is fixed on the radiator 2 by cross round end self-tapping screw 7 screws, and radiator is a high purity aluminum material.Radiator 2 is set directly on the pcb board, that is: led light source is arranged on a side of pcb board, and radiator is arranged on the opposite side of pcb board, and the heat that led light source produces is discharged by radiator 2.
Diffuser plate 10 is an optical diffusing plate, and profile is circular.With diffuser plate fixed screw 8 and diffuser plate fixedly trim ring 9 diffuser plate 10 is fixed on No. 11, the lamp housing protecgulum, lamp housing protecgulum 11 is fixed on the circular lamp shell 1 by the bayonet arrangement fastening.
Further, led light source forms the uniform light of luminous intensity distribution through diffuser plate.Diffuser plate 10 adopts the import optical diffusing plate, and by optical design, luminous intensity distribution is evenly distributed, and the light that led light source is emitted is converted into soft area source.Light-source brightness through diffuser plate 10 is bright, comfortable, soft and not dazzling.
As shown in Figure 4, the LED eye-protecting desk lamp also comprises circumscripted power line; Power line comprises switch 18 and realizes that ac high-voltage is converted into the adapter 17 of dc low-voltage electricity.Switch 18 is the line traffic control switch, and adapter 17 is converted into direct current with alternating current, adopts high-quality Direct Plug-In power supply driver, and 86~265v external input voltage, the operating voltage of LED eye-protecting desk lamp are 25V.
The material of circular lamp shell 1 adopts engineering plastic, and its surface engagement is provided with radiate heat and ventilate hole attractive in appearance.When LED eye-protecting desk lamp operate as normal, the surface temperature of circular lamp shell 1 is less than 45 ℃, and safety is tangible, the potential safety hazard of effectively having avoided conventional lamp shell high temperature to scald.
Stainless steel gasket 3 and thumb screw 4 are used for fixing circular lamp shell 1 and lamp housing connector 14, and M10 tooth joint 12 passes 13 connections of wavy spring pad and is locked on the lamp bracket 15.Base 16 is by the connector lamp bracket that is rotationally connected, and lamp bracket 15 is realized position adjustments within the specific limits.Lamp bracket 15 free adjustings arbitrarily are to satisfy the different locational requirement of people.
Further, base 16 is a metab, and metab is true weight relatively, and the LED eye-protecting desk lamp is played good balanced action, uses comparison safety.
The utility model can reach following beneficial effect: by evenly being provided with many power on the pcb board in light-source chamber is led light source more than 0.2 watt, the advantage of utilizing high-power LED light source to have than low-power LED light source, thus realize LED eye-protecting desk lamp good stability, light decay is big, brightness is strong, the life-span is long.
In conjunction with the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.

Claims (8)

1. LED eye-protecting desk lamp, comprise circular lamp shell, be connected the lamp bracket that is provided with described lamp shell, the diffuser plate that is rotationally connected described lamp bracket and supports the base of described eye-protecting desk lamp and is connected setting with described circular lamp shell, constitute light-source chamber between described circular lamp shell and the described diffuser plate, it is characterized in that: be provided with pcb board in the described light-source chamber, evenly be provided with the plurality of LEDs light source on the described pcb board; The power of described led light source is more than 0.2 watt.
2. LED eye-protecting desk lamp according to claim 1 is characterized in that, the power of described led light source is 0.2 watt, 1.0 watts, 3.0 watts or 5.0 watts.
3. LED eye-protecting desk lamp according to claim 1 is characterized in that, is provided with radiator between described pcb board and the described circular lamp shell; Described radiator is a high purity aluminum material.
4. LED eye-protecting desk lamp according to claim 1 is characterized in that, described diffuser plate is an optical diffusing plate, and described led light source forms the uniform light of luminous intensity distribution through described diffuser plate.
5. LED eye-protecting desk lamp according to claim 1 is characterized in that, described LED eye-protecting desk lamp also comprises circumscripted power line; Described power line comprises switch and realizes that ac high-voltage is converted into the adapter of dc low-voltage electricity.
6. LED eye-protecting desk lamp according to claim 5 is characterized in that, the operating voltage of described LED eye-protecting desk lamp is 25V.
7. LED eye-protecting desk lamp according to claim 1 is characterized in that, described circular lamp shell adopts engineering plastic, and its surface is provided with the radiate heat and ventilate hole.
8. LED eye-protecting desk lamp according to claim 1 is characterized in that, described base is by the connector described lamp bracket that is rotationally connected, and described lamp bracket is realized position adjustments within the specific limits.
CN2010205484643U 2010-09-29 2010-09-29 LED eye protection table lamp CN201795370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205484643U CN201795370U (en) 2010-09-29 2010-09-29 LED eye protection table lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205484643U CN201795370U (en) 2010-09-29 2010-09-29 LED eye protection table lamp

Publications (1)

Publication Number Publication Date
CN201795370U true CN201795370U (en) 2011-04-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205484643U CN201795370U (en) 2010-09-29 2010-09-29 LED eye protection table lamp

Country Status (1)

Country Link
CN (1) CN201795370U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102518978A (en) * 2011-12-16 2012-06-27 福建德泓勤上光电科技有限公司 Bowling bowl-shaped light emitting diode (LED) eye protecting desk lamp
WO2014194662A1 (en) * 2013-06-07 2014-12-11 Chen Qi Desk lamp having hybrid lighting modes
TWI513939B (en) * 2013-06-06 2015-12-21
CN105221986A (en) * 2014-06-27 2016-01-06 安徽兆利光电科技有限公司 A kind of intelligent LED radiating lamp
WO2017054240A1 (en) * 2015-10-02 2017-04-06 魏晓敏 Led table lamp and led light source
CN107676640A (en) * 2017-10-14 2018-02-09 邱诗妍 A kind of Intelligent LED energy-saving lamp

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102518978A (en) * 2011-12-16 2012-06-27 福建德泓勤上光电科技有限公司 Bowling bowl-shaped light emitting diode (LED) eye protecting desk lamp
TWI513939B (en) * 2013-06-06 2015-12-21
WO2014194662A1 (en) * 2013-06-07 2014-12-11 Chen Qi Desk lamp having hybrid lighting modes
CN105221986A (en) * 2014-06-27 2016-01-06 安徽兆利光电科技有限公司 A kind of intelligent LED radiating lamp
WO2017054240A1 (en) * 2015-10-02 2017-04-06 魏晓敏 Led table lamp and led light source
CN107676640A (en) * 2017-10-14 2018-02-09 邱诗妍 A kind of Intelligent LED energy-saving lamp

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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: 20110413

Termination date: 20130929