CN202747100U - Luminance adjustable health-care read-write desk lamp with heat-dissipating LED bulb - Google Patents

Abstract

The utility model discloses a luminance adjustable health-care read-write desk lamp with a heat-dissipating LED bulb. The desk lamp comprises a base, a lighting part and a lighting control circuit and is characterized in that a power switch and a timing switch are arranged on the base; the lighting part comprises a lamp shell; a transparent lamp cover is arranged outside the lamp shell; a lamp holder is arranged in the lamp shell; a bulb is installed on the lamp holder; an aluminium lamp board is arranged in a bulb shell; a plurality of white LED lamps arranged on the aluminium lamp board are connected with LED driver chips; a glass outer cover is arranged outside the aluminium lamp board; the aluminium lamp board is connected with heat pipes; the lighting control circuit comprises a power module, an inductive control module, the LED driver chips and a singlechip; the inductive control module comprises a luminance induction unit, a luminance adjustment unit and a timing switch unit; an external pin of the singlechip is correspondingly connected with the luminance induction unit, the luminance adjustment unit and the timing switch unit; and the luminance adjustment unit is connected with the LED driver chips. Therefore, the luminance of the desk lamp is adjustable.

Description

A kind of with the adjustable health reading writing desk lamp of the brightness of radiating LED bulb

Technical field

The utility model relates to a kind of desk lamp, relates in particular to a kind of health reading writing desk lamp of power saving.

Background technology

Eyes can see that all things on earth is the catadioptric by light, things is experienced in projection, the light wave of the Nature can be divided into visible light and black light two large classes, in visible light, the blue light energy of wavelength between 400～500nm is the highest, because science and technology now, blue light is full of in TV, computer, read desk lamp, public street lamp, partially the electrical home appliances such as bluish violet indoor light and outdoor sunlight or lighting source in, point out according to up-to-date medical research, the blue light that the short energy of wavelength is high can stimulate eyes, cause photophobia and eye fatigue, if and the long-time chronic exposure blue light of cellula visualis, but the desk lamp of at present general work or reading usefulness, as light source with osram lamp or mercury fluorescent tube, because the osram lamp power consumption is high, the mercury fluorescent tube easily glimmers, therefore all there is the shortcoming of economic benefit or eye health in the use, and this class desk lamp generally can only manually be adjusted the brightness size of light source, and, because the brightness of desk lamp is the manually control according to user self sensation, when the user before being engaged in work or reading behind the light source according to the good desk lamp of brightness adjustment of external environment at that time, through work or reading after a while, the brightness of external environment is passed in time and is moved and to some extent variation, especially dusk at dusk or morning to the period at dawn, the difference of not experiencing overall brightness but the user may bury also that head majors in, so the fixing brightness of desk lamp may be because of external environment by bright dimmed and seem not enough, perhaps bright by blackout and seem dazzling, exacerbate eye tired or cause the degeneration of cone cell virtually, add that the desk lamp itself that illumination is provided does not have the function of automatically adjusting brightness with external environment, can't provide suitable eyes to look the light source of thing.

Summary of the invention

For the problem that above prior art exists, the purpose of this utility model provide a kind of energy-conservation, thermal diffusivity good, can brightness adjusting, do not hinder the adjustable health reading writing desk lamp of the brightness with radiating LED bulb of eye.

The purpose of this utility model is to realize like this, described a kind of with the adjustable health reading writing desk lamp of the brightness of radiating LED bulb, comprise the base of locating usefulness, can send Lighting Division and the illumination control circuit of illumination, its design feature is for to be provided with power switch and time switch at base, Lighting Division comprises lamp outer casing, lamp outer casing is covered with Transparent lamp shade, in lamp outer casing, be provided with lamp socket, lamp socket is equipped with bulb, bulb comprises lamp holder and bulb shell, is provided with aluminum light fixture plate in bulb shell, is provided with a plurality of white led lamps and pcb board on the aluminum light fixture plate, be provided with LED at pcb board and drive chip, white led lamps drives chip with LED and is connected; Be covered with the glass outer cover at aluminum light fixture plate, aluminum light fixture plate is connected with heat pipe; Described illumination control circuit comprises that power module, induction control module, LED drive chip and single-chip microcomputer, the induction control module comprises brightness impression unit, brightness adjustment unit and time switch unit, corresponding brightness impression unit, brightness adjustment unit and the time switch unit of being connected with on the external pin of single-chip microcomputer, brightness adjustment unit are connected with LED and drive chip.

The purpose of this utility model also can be achieved through the following technical solutions, and described a kind of with the adjustable health reading writing desk lamp of the brightness of radiating LED bulb, its characteristics are for to be provided with temperature controller at aluminum light fixture plate.Described a kind of with the adjustable health reading writing desk lamp of the brightness of radiating LED bulb, its characteristics are for to be provided with air-vent in glass outer cover bottom sides.

The beneficial effects of the utility model are: the utility model is owing to adopting white led lamps, do not have the function of automatically adjusting brightness with external environment by single-chip microcomputer and the induction of induction control module to improving existing desk lamp, cause eyes because of the problem of the easy fatigue of uncomfortable light source or damage pathology.And used LED drives chip and adopts isolated constant current electronic to drive chip, and constant current electronic drives chip and adopts the imported from America constant current electronic to drive chip, and aluminum light fixture plate is connected with heat pipe, is convenient to the heat radiation of LED lamp.Have the high and low power consumption of efficient and life-span long, energy-conservation, can brightness adjusting, do not hinder a texts.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is illumination control circuit theory diagram of the present utility model.

Fig. 3 is the structural representation of used LED heat radiation bulb of the present utility model.

Among the figure: base 1, white led lamps 2, aluminum light fixture plate 3, lamp outer casing 4, power switch 5, time switch 6, glass outer cover 7, Transparent lamp shade 8, temperature controller 9, heat pipe 10, air-vent 11, fin 12.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is elaborated:

Such as Fig. 1, Fig. 2 and shown in Figure 3, described in the utility model a kind of with the adjustable health reading writing desk lamp of the brightness of radiating LED bulb, comprise the base 1 of locating usefulness and can send the Lighting Division of illumination, also illumination control circuit can be arranged, its design feature is for to be provided with power switch 5 at base 1, also can be provided with time switch 6, Lighting Division comprises lamp outer casing 4, lamp outer casing 4 is covered with Transparent lamp shade 8, in lamp outer casing 4, be provided with lamp socket, lamp socket is equipped with bulb, bulb comprises lamp holder and bulb shell, is provided with aluminum light fixture plate 3 in bulb shell, is provided with a plurality of white led lamps 2 and pcb board on the aluminum light fixture plate 3, be provided with LED at pcb board and drive chip, white led lamps 2 drives chip with LED and is connected; Be covered with glass outer cover 7 at aluminum light fixture plate 3, aluminum light fixture plate 3 is connected with heat pipe 10, fill with working media in the shell of described heat pipe 10 fingers sealing and utilize the decalescence of medium and the high efficient heat exchanging element that heat exchange is carried out in heat release, the utility model is as heat transmission, be prior art, described heat pipe 10 is evenly distributed on aluminum light fixture plate 3 bottoms and is connected with aluminum light fixture plate 3, aluminum light fixture plate 3 is connected with an end of heat pipe 10, the other end of heat pipe 10 is connected on the rear portion of lamp holder, also can be provided with fin 12 on the heat pipe 10, more be conducive to heat radiation; Bulb shell and light fixture plate can once be pressed into or link into an integrated entity with aluminium alloy, are convenient to heat radiation, can prolong like this service life of white led lamps 2.On aluminum light fixture plate 3, also can be provided with temperature controller 9, to protect white led lamps to make it to be unlikely to overheated and to damage; Also can be provided with air-vent 11 on glass outer cover 7 bottom sides, be convenient to heat loss through convection; LED drives chip and adopts the LED driving chip of constant current mode to light each white led lamps, and it is prior art that LED drives chip.

Described illumination control circuit comprises power module, the induction control module, LED drives chip and single-chip microcomputer, the induction control module comprises the brightness impression unit, brightness adjustment unit and time switch unit, described power module is prior art, outer alternating current is received power module through the power switch that base 1 is provided with, after converting suitable voltage to, power module provides the induction control module, LED drives the working power of chip and single-chip microcomputer etc., each white led lamps drives chip with corresponding LED and connects, LED drives chip and adopts the LED driving chip of constant current mode to light each white led lamps, it is prior art that LED drives chip, can be any available LED light-emitting diodes pipe driving chip, drive chip such as the imported from America constant current electronic, described single-chip microcomputer and brightness impression unit, brightness adjustment unit and time switch unit are prior art, outside corresponding function pin at single-chip microcomputer is connected with the brightness impression unit, brightness adjustment unit and time switch unit, the brightness adjustment unit is connected with LED and drives chip, a plurality of white led lamps 2 drive chip with corresponding LED and connect, the time switch unit connects the time switch that base 1 is provided with, the time switch unit can be all can in electronic timing circuit or software control unit, open time switch, triggering the time switch unit makes single-chip microcomputer turn off power module by the time switch program of setting to make LED drive chip and white LED lamp not power and do not work, the brightness of described brightness impression unit energy automatic sensing-detecting external environment, again by Single-chip Controlling brightness adjustment unit will these a plurality of white LED lamps brightness do corresponding the adjustment, be prior art.During work, open external power by power switch, make each module work by power module, LED drives chip and lights white led lamps, memory in the single-chip microcomputer has the receptible optimal brightness number range of human eyes and brightness adjusting control program in advance, receive the monochrome information of brightness impression unit induction periphery by single-chip microcomputer, through with single-chip microcomputer in the brightness number scope that stores compare, one-chip computer module control brightness adjustment unit closed portion LED drives chip operation when brightness is too bright, thereby part LED lamp is closed, perhaps reduce the voltage of white led lamps, reach and reduce the brightness purpose; When brightness is too low, appropriateness increases the quantity of lighting white led lamps, so that ambient brightness reaches the receptible optimal brightness number range of satisfactory human eyes, triggers time switch unit closure or openness by time switch, desk lamp is extinguished, regularly have a rest to control human eyes; Can also manually realize the receptible optimal brightness number range of human eyes by the function button that is arranged on the base 1, certainly for demonstration directly perceived can also be provided with LCDs, to show each functional status.

Although all be decorated with heat pipe 10 in the above-mentioned accompanying drawing of the present utility model, and time switch 6, temperature controller 9, air-vent 11 and fin 12 these parts, the Combination application of these parts is that the demand according to claim of the present utility model makes up, some parts are essential features, some parts are dependent claims contents, therefore the whole parts that are decorated with among Fig. 1 of the present utility model and Fig. 3 are non-all is essential features, and these parts whether essential features are as the criterion with the demand of claim of the present utility model.

The utility model is not stated part and is prior art.

Claims (3)

1. one kind with the adjustable health reading writing desk lamp of the brightness of radiating LED bulb, comprise the base (1) of locating usefulness, can send Lighting Division and the illumination control circuit of illumination, it is characterized in that being provided with power switch (5) and time switch at base (1), Lighting Division comprises lamp outer casing (4), lamp outer casing (4) is covered with Transparent lamp shade (8), in lamp outer casing (4), be provided with lamp socket, lamp socket is equipped with bulb, bulb comprises lamp holder and bulb shell, in bulb shell, be provided with aluminum light fixture plate (3), be provided with a plurality of white led lamps (2) and pcb board on the aluminum light fixture plate (3), be provided with LED at pcb board and drive chip, white led lamps (2) drives chip with LED and is connected; Be covered with glass outer cover (7) at aluminum light fixture plate (3), aluminum light fixture plate (3) is connected with heat pipe (10); Described illumination control circuit comprises that power module, induction control module, LED drive chip and single-chip microcomputer, the induction control module comprises brightness impression unit, brightness adjustment unit and time switch unit, corresponding brightness impression unit, brightness adjustment unit and the time switch unit of being connected with on the external pin of single-chip microcomputer, brightness adjustment unit are connected with LED and drive chip.

2. according to claim 1 a kind of with the adjustable health reading writing desk lamp of the brightness of radiating LED bulb, it is characterized in that being provided with temperature controller (9) at aluminum light fixture plate (3).

3. according to claim 1 a kind of with the adjustable health reading writing desk lamp of the brightness of radiating LED bulb, it is characterized in that being provided with air-vent (11) in glass outer cover (7) bottom sides.

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