CN204358495U - A kind of high-powered LED lamp - Google Patents

Abstract

The utility model proposes a kind of high-powered LED lamp, comprise shell, be arranged on the light-passing board on shell, be arranged on light fixture and the detection control assembly of enclosure, be arranged on the fin of housing exterior, described light fixture comprises reflector, be arranged on the Reflecting light groove on reflector, be arranged on the LED chip in Reflecting light groove, detection control assembly comprises the controller being arranged on enclosure, be arranged on LED chip side and the temperature sensor be connected with controller, LED chip is divided into LED chip group one and LED chip group two, chipset one is connected with controller by relay one, LED chip group two-way is crossed relay two and is connected with controller.The utility model stops one group of great power LED work from temperature overheating, the new group of LED using completely equivalence instead considers the aspect that works on, from the generation fundamentally eliminating heat producing heat, therefore there is the advantage of good heat dissipation effect, thus the service life of high-powered LED lamp can be extended.

Description

A kind of high-powered LED lamp

Technical field

The utility model relates to a kind of high-powered LED lamp, particularly a kind of high-powered LED lamp of good heat dissipation effect.

Background technology

As forth generation lighting source, LED is low with its maintenance cost, the life-span is long, shock resistance good, power consumption is little and the advantage such as environmental friendliness and be subject to the attention of countries in the world, is widely used in indicator lamp, display screen, backlight, Landscape Lighting, traffic etc.Generally 1W and above LED is called great power LED, at present, the power of single-chip LED meets or exceeds 5W, but only have the electric energy of 15% ~ 20% to be converted to luminous energy, the electric energy of residue 80% ~ 85% is converted into heat energy and falls apart, and LED belongs to high heat flux device, and heat energy sheds mainly through chip bottom, the heat energy of chip is difficult to quick derivation, so LED heat radiation is the very important problem of heavy-power LED product always.The technical scheme of existing solution great power LED cooling, no matter be active heat removal or passive heat radiation be all reach external environment better from the viewpoint of by heat, and not from the viewpoint of the generation of stopping heat, namely temperature overheating should stop this group great power LED work, and the new group of LED using equivalence completely instead considers the aspect that works on.

Utility model content

The utility model proposes a kind of high-powered LED lamp, solve great power LED cooling weak effect in prior art, great power LED life-span short technical problem.

The technical solution of the utility model is achieved in that

A kind of high-powered LED lamp, comprise shell, light-passing board is on the housing set, be arranged on light fixture and the detection control assembly of described enclosure, be arranged on the fin of described housing exterior, described light fixture comprises reflector, be arranged on the Reflecting light groove on described reflector, be arranged on the LED chip in described Reflecting light groove, described detection control assembly comprises the controller being arranged on described enclosure, be arranged on described LED chip side and the temperature sensor be connected with described controller, described LED chip is divided into LED chip group one and LED chip group two, described chipset one is connected with described controller by relay one, described LED chip group two-way is crossed relay two and is connected with described controller.

As further technical scheme, described light-passing board is provided with phosphor powder layer and is provided with evenly distributed prismatic or groove.

As further technical scheme, described fin is aluminum alloy heat sink,

As further technical scheme, described fin is divided into disjoint fin one and fin two.

As further technical scheme, Reflecting light groove is cup-shaped, coniform or inverted trapezoidal shape, and described reflector is high reverse--bias resin reflection plate, and described Reflecting light groove is high reverse--bias resin reflection light trough.

As further technical scheme, the lamp strain number of described LED chip group one and described LED chip group two is equal.

As further technical scheme, described LED chip group one is alternate with described LED chip group two is symmetricly set on described enclosure, is square formation or the arrangement of circle battle array.

The utility model use principle and beneficial effect are:

During work, after high-powered LED lamp is opened, LED chip group works at the beginning, LED chip group two is closed, the temperature of temperature sensor Real-Time Monitoring lamp interior, and temperature value is transferred to controller inside, after controller detects that temperature value exceedes setting value, controller controls LED chip group one and quits work, same time controller controls LED chip group two and starts working, because LED does not need start-up time for illuminating instantaneously, therefore the work conversion that observer's discernable by eye does not go out can be realized, adopt in this way, from the generation fundamentally eliminating heat producing heat, therefore there is the advantage of high-powered LED lamp good heat dissipation effect, thus the service life of high-powered LED lamp can be extended.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model control structure schematic diagram.

In figure: 1-shell, 2-light-passing board, 3-light fixture, 31-reflector, 32-Reflecting light groove, 33-LED chip, 4-detection control assembly, 41-controller, 42-temperature sensor, 5-fin, 51-fin one, 52-fin two, 6-LED chipset one, 61-relay one, 7-LED chipset two, 71-relay two.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

As shown in Fig. 1 ~ Fig. 2, a kind of high-powered LED lamp that the utility model proposes, comprise shell 1, be arranged on the light-passing board 2 on shell 1, be arranged on light fixture 3 and the detection control assembly 4 of shell 1 inside, be arranged on the fin of shell 1 outside, light fixture 3 comprises reflector 31, be arranged on the Reflecting light groove 32 on reflector 31, be arranged on the LED chip 33 in Reflecting light groove 32, detection control assembly 4 comprises the controller 41 being arranged on shell 1 inside, be arranged on LED chip 33 side and the temperature sensor 42 be connected with controller 41, LED chip 33 is divided into LED chip group 1 and LED chip group 27, chipset 1 is connected with controller 41 by relay 1, LED chip group 27 is connected with controller 41 by relay 2 71.The effect of temperature sensor 42 is Real-Time Monitoring great power LED internal temperature and by data transfer to controller 41, and controller 41 controls LED chip group 1 according to temperature value by relay 1 and relay 62 and LED chip group 27 carries out periodic duty.

Great power LED uses rear brightness to decay for a long time, and the junction temperature of LED is higher, life-span is shorter, such as large power white light LED is in brightness decay 70% situation, and 2.6 times of life-span when the life-span is junction temperature 50 DEG C during junction temperature 25 DEG C, are 6 times of life-span during junction temperature 75 DEG C, for 6.9 times of life-span during junction temperature 80 DEG C, for 12 times of life-span during junction temperature 100 DEG C, be 22.28 times of life-span during junction temperature 125 DEG C, be 39 times of life-span during junction temperature 150 DEG C.Therefore, a suitable temperature value should be set as the inversion temperature alternately that works between LED chip group 1 and LED chip group 27, as preferably, when the inversion temperature alternately that works between LED chip group 1 and LED chip group 27 is 80 DEG C, because after exceeding this temperature, the life-span sharp-decay of high-powered LED lamp.

Light-passing board 2 is provided with phosphor powder layer and is provided with evenly distributed prismatic or groove, the effect of light-passing board 2 is water proof and dust proofs, and the light simultaneously making LED send better plays illuminating effect.

Fin 5 is aluminum alloy material and is divided into disjoint fin 1 and fin 2 52, inside and outside two-layer aluminium alloy increases the area of fin, also can not exceed the heat radiation border of fin because of the excessive height of fin 5 simultaneously, fin 1 is tabular, between form heat dissipation channel, fin 2 52 is strip, the heat in heat dissipation channel can be passed fast.

Reflecting light groove 32 is cup-shaped, coniform or inverted trapezoidal shape, and reflector 31 is high reverse--bias resin reflection plate, and Reflecting light groove 32 is high reverse--bias resin reflection light trough, thus the more luminous energy sent by great power LED are in order to illumination, improves illumination efficiency.

The lamp strain number of LED chip group 1 and LED chip group 27 is equal, LED chip group 1 is alternate with described LED chip group 27 is symmetricly set on shell 1 inside, for square formation or the arrangement of circle battle array, the LED chip group 1 that effect is completely equivalent and described LED chip group 27 carry out alternation, while a closedown both controller controls, another is started working, and observer can not be felt completely, and LED illumination intensity has any change.

During work, after high-powered LED lamp is opened, LED chip group 1 is started working, LED chip group 27 is closed, the temperature of temperature sensor 42 Real-Time Monitoring lamp interior, and it is inner temperature value to be transferred to controller 41, after controller 41 detects that temperature value exceedes setting value, controller controls LED chip group 1 and quits work, same time controller 41 controls LED chip group 27 and starts working, because LED does not need start-up time for illuminating instantaneously, therefore the work conversion that observer's discernable by eye does not go out can be realized, adopt in this way, from the generation fundamentally eliminating heat producing heat, therefore there is the advantage of high-powered LED lamp good heat dissipation effect, thus the service life of high-powered LED lamp can be extended.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (7)

1. a high-powered LED lamp, comprise shell (1), be arranged on the light-passing board (2) on described shell (1), be arranged on the inner light fixture (3) of described shell (1) and detection control assembly (4), be arranged on the fin (5) that described shell (1) is outside, described light fixture (3) comprises reflector (31), be arranged on the Reflecting light groove (32) on described reflector (31), be arranged on the LED chip (33) in described Reflecting light groove (32), it is characterized in that: described detection control assembly (4) comprises the controller (41) being arranged on described shell (1) inside, be arranged on described LED chip (33) side and the temperature sensor (42) be connected with described controller (41), described LED chip (33) is divided into LED chip group one (6) and LED chip group two (7), described chipset one (6) is connected with described controller (41) by relay one (61), described LED chip group two (7) is connected with described controller (41) by relay two (71).

2. a kind of high-powered LED lamp according to claim 1, is characterized in that: described light-passing board (2) is provided with phosphor powder layer and is provided with evenly distributed prismatic or groove.

3. a kind of high-powered LED lamp according to claim 1, is characterized in that: described fin (5) is aluminum alloy heat sink.

4. a kind of high-powered LED lamp according to claim 1 or 3, is characterized in that: described fin (5) is divided into disjoint fin one (51) and fin two (52).

5. a kind of high-powered LED lamp according to claim 1, it is characterized in that: Reflecting light groove (32) is cup-shaped, coniform or inverted trapezoidal shape, described reflector (31) is high reverse--bias resin reflection plate, and described Reflecting light groove (32) is high reverse--bias resin reflection light trough.

6. a kind of high-powered LED lamp according to claim 1, is characterized in that: the lamp strain number of described LED chip group one (6) and described LED chip group two (7) is equal.

7. a kind of high-powered LED lamp according to claim 1 or 6, it is characterized in that: described LED chip group one (6) is alternate with described LED chip group two (7) is symmetricly set on described shell (1) inside, is square formation or the arrangement of circle battle array.