CN204062544U

CN204062544U - Led daylight lamp

Info

Publication number: CN204062544U
Application number: CN201420350258.XU
Authority: CN
Inventors: 郑清奇
Original assignee: ALL SKD Co Ltd
Current assignee: ALL SKD Co Ltd
Priority date: 2014-06-26
Filing date: 2014-06-26
Publication date: 2014-12-31
Anticipated expiration: 2024-06-26

Abstract

A kind of LED daylight lamp, comprising: radiation shell, the lampshade being installed in radiation shell and LED circuit board, and is installed in the electric connection at two ends of radiation shell and lampshade, radiation shell has at least one heat-conducting plate, having in the both sides of the edge of heat-conducting plate can by the pressing limit of the distortion that presses, LED circuit board comprises the first surface and second surface that lay respectively at opposite flank, the first surface of LED circuit board has printed circuit and multiple light-emittingdiode be electrically connected with printed circuit, the second surface of LED circuit board contacts with heat-conducting plate, the upper surface of the both sides of the edge of LED circuit board towards heat-conducting plate is suppressed by the pressing limit that utilization can be out of shape by riveting, make the second surface of LED circuit board can contact with heat-conducting plate, and then obtain preferably radiating effect by heat-conducting plate and radiation shell.

Description

LED daylight lamp

Technical field

This is novel is relevant a kind of fluorescent lamp, particularly a kind of structure of LED daylight lamp.

Background technology

LED daylight lamp utilizes light-emittingdiode (light-emitting diode, LED) as the illumination fluorescent lamp of light source, adopt the fluorescent lamp of gas fluorescence type to compare with tradition, light-emittingdiode (LED) has the advantages such as higher luminous efficiency, Low emissivity, low power consumption, life-span length, low driving voltage, startup are quick, environmental protection, antidetonation resistance to compression, light fixture Miniaturizable.In recent years, because the manufacturing technology of light-emittingdiode improves, the light-emittingdiode of high power, high luminosity has successfully been developed, based on green can with the ideal of environmental protection, existing manufacturer starts to release and uses light-emittingdiode as the LED daylight lamp of light source.Because the luminosity of single light-emittingdiode is more much lower than traditional fluorescent lamp, so a LED daylight lamp can comprise many light-emittingdiodes usually.

Because light-emittingdiode uses direct current (DC) to drive, different to exchange electrically driven (operated) traditional fluorescent lamp from existing, so be usually provided with change-over circuit in LED daylight lamp, in order to alternating current (AC) transferred to direct current and then driving and to light light-emittingdiode.In addition, because high temperature can damage light-emittingdiode, so the structure of LED daylight lamp should pay attention to the problem of dispelling the heat especially, damage because of non-refractory to avoid light-emittingdiode.On the other hand, in order to compatible with the light fixture of existing use traditional fluorescent lamp, also need the structure redesigning LED daylight lamp, make LED daylight lamp after installing change-over circuit and/or relevant stability circuit additional, can directly can be installed on the light fixture of traditional fluorescent lamp.

Known LED daylight lamp is such as: approved TaiWan, China new patent M465533, proposes a kind of LED daylight lamp, comprising: a lamp housing, a heat radiation rack, a LED module and two plugs; This heat radiation rack has a heat-dissipating space and at least two tracks, and this LED module has LED circuit board, and each LED circuit board is arranged in the corresponding track of aforesaid heat radiation rack; The LED circuit board of this design with usually have gap between heat radiation rack and cannot contact completely, and the contact area of LED circuit board and heat radiation rack is less, causes the poor effect that LED circuit board is dispelled the heat by heat radiation rack.

In addition checking and approving the TaiWan, China patent of invention I402454 of bulletin, proposing a kind of LED daylight lamp, comprising cooling base, be fixed on lampshade on cooling base and light source substrate.Light source substrate is provided with light-emittingdiode, cooling base is formed with a recess, light source substrate is arranged in described recess, and the heat conduction adhesive tape by high-termal conductivity between light source substrate and cooling base fits, in order to the heat conduction that produced by light source substrate to cooling base; Although the heat that this technology can improve light source substrate and cooling base passes effect, extra increase is needed to attach cost and the man-hour of heat conduction adhesive tape.

Summary of the invention

One of this novel object is in a kind of LED daylight lamp with preferably radiating effect of proposition.

For realizing above-mentioned object, a kind of embodiment structure of the LED daylight lamp of this novel proposition, comprising: radiation shell, the lampshade being installed in radiation shell and LED circuit board, and the electric connection at the two ends being installed in radiation shell and lampshade is electrically connected with LED circuit board, radiation shell has at least one heat-conducting plate, having in the both sides of the edge of heat-conducting plate can by the pressing limit of the distortion that presses, LED circuit board comprises the first surface and second surface that lay respectively at opposite flank, the first surface of LED circuit board has printed circuit and multiple light-emittingdiode be electrically connected with printed circuit, the second surface of LED circuit board contacts with heat-conducting plate, the upper surface of the both sides of the edge of LED circuit board towards heat-conducting plate is suppressed by the pressing limit that utilization can be out of shape by riveting, make the second surface of LED circuit board can contact with heat-conducting plate, and then obtain preferably radiating effect by heat-conducting plate and radiation shell.

In the embodiment that this is novel, radiation shell also has a ribs and a heat sink, the both sides of the edge of heat sink are connected with the both sides of the edge of heat-conducting plate respectively, and ribs, in order to support heat sink, can increase the area of dissipation of radiation shell and the effect of heat radiation by heat sink and ribs.

In the embodiment that this is novel, carry out in the multiple spot position on pressing limit pressing operation to form multiple compacting point, in order to the upper surface of the both sides of the edge of LED circuit board towards heat-conducting plate is suppressed, make the second surface of LED circuit board can contact with heat-conducting plate, and then obtain preferably radiating effect by heat-conducting plate.

The detailed content of these other novel effects relevant and embodiment, is described as follows graphic for cooperation.

Accompanying drawing explanation

Fig. 1 is the structure decomposition map of an embodiment of this Novel LED fluorescent lamp.

Fig. 2 is the composite construction figure of the embodiment of Fig. 1.

Fig. 3, in Fig. 2 at the structure profile diagram of A-A position.

Fig. 4 is another embodiment structural map of this Novel LED fluorescent lamp, illustrates and carries out pressing operation to form multiple compacting point in the multiple spot position on the first pressing limit and the second pressing limit.

Symbol description

10 radiation shells

11 heat-conducting plates

12 upper surfaces

13 lower surfaces

14a first pressing limit

14b second pressing limit

15 chutes

16 ribs

17 heat sinks

20 lampshades

21 outstanding ribs

30 LED circuit board

31 first surfaces

32 second surfaces

40 electric connections

50 light-emittingdiodes

P suppresses point

Detailed description of the invention

First referring to Fig. 1, Fig. 2 and Fig. 3, is the structure decomposition map of an embodiment of this Novel LED fluorescent lamp, composite construction figure and structure profile diagram thereof.A kind of embodiment structure of the LED daylight lamp of this novel proposition, comprise: radiation shell 10, the lampshade 20 being installed in radiation shell 10 and LED circuit board 30, and be installed in the electric connection 40 at two ends of radiation shell 10 and lampshade 20, electric connection 40 is electrically connected with LED circuit board 30, makes this novel LED daylight lamp can be directly applied for the lamp tube socket of existing daylight lamp fixture by electric connection 40.

The one enforcement side of radiation shell 10 adopts the good aluminum alloy base material manufacture of thermal diffusivity, a kind of embodiment illustrated in figure 3 adopts extruded signing panel to manufacture radiation shell 10, radiation shell 10 has at least one heat-conducting plate 11, heat-conducting plate 11 extends along the long axis direction of radiation shell 10, heat-conducting plate 11 has the upper surface 12 and lower surface 13 that are positioned at relative both sides, there is in the both sides of the edge of upper surface 12 the first pressing limit 14a and the second pressing limit 14b that the long axis direction along radiation shell 10 extends respectively, first pressing limit 14a and the second pressing limit 14b can be pressed distortion and upper surface 12 towards heat-conducting plate 11 is close, utilize, by the first pressing limit 14a of the distortion that presses and the second pressing limit 14b, LED circuit board 30 is fixed on radiation shell 10.

LED circuit board 30 at least has light-emittingdiode 50 (light-emitting diode, LED) and printed circuit be electrically connected on light-emittingdiode 50, drive circuit according to fluorescent lamp adopts the design of built-in or external, LED circuit board 30 also may comprise change-over circuit (alternating current is converted to galvanic circuit) and or stability circuit, in the embodiment that this is novel, LED circuit board 30 comprises the first surface 31 and second surface 32 that lay respectively at opposite flank, aforesaid printed circuit, light-emittingdiode 50 and/or change-over circuit are arranged at the first surface 31 of LED circuit board 30, the second surface 32 of LED circuit board 30 contacts with the upper surface 12 of heat-conducting plate 11, the upper surface 12 of the both sides of the edge of LED circuit board 30 towards heat-conducting plate 11 is suppressed by the first pressing limit 14a that utilization can be out of shape by riveting and the second pressing limit 14b, make LED circuit board 30 second surface 32 can with upper surface 12 close contact of heat-conducting plate 11, and then obtain preferably radiating effect by heat-conducting plate 11 and radiation shell 10.

In an embodiment of this Novel LED fluorescent lamp, there is in the both sides of the heat-conducting plate 11 of radiation shell 10 chute 15 that the long axis direction along radiation shell 10 extends respectively, lampshade 20 be a kind of there is light transmission and and the shell linear element that extends along same long axis direction of radiation shell 10, there is in the both sides of the edge of the transverse direction of lampshade 20 an outstanding rib 21 respectively, those are given prominence to and help 21 chutes 15 that just can slip into radiation shell 10, and then make lampshade 20 be installed in radiation shell 10.

In an embodiment of this Novel LED fluorescent lamp, radiation shell 10 also has ribs 16 and a heat sink 17, the both sides of the edge of heat sink 17 are connected with the both sides of the edge of heat-conducting plate 11 respectively, ribs 16 by heat-conducting plate 11 lower surface 13 towards upper surface 12 opposite direction projection and go out, one end of ribs 16 is connected to the lower surface 13 of heat-conducting plate 11, the other end of ribs 16 is connected to support heat sink 17 with heat sink 17, can increase the area of dissipation of radiation shell 10 and the effect of heat radiation by heat sink 17 and ribs 16; In the another kind of embodiment of heat sink 17, wherein the shape of the outer surface 171 of heat sink 17 can be a kind of wavy or have the structure of multiple jut, can increase the area of dissipation of heat sink 17; In the embodiment that this is novel, the shape in the cross section of aforementioned lampshade 20 and heat sink 17 can be semicircle or arc, a kind of structure of similar circular tube shaped can be formed after lampshade 20 and radiation shell 10 are combined, be with the installation of the electric connection 40 at the two ends of radiation shell 10 and lampshade 20 again, this novel LED daylight lamp of order can be directly applied for the lamp tube socket of existing daylight lamp fixture by electric connection 40.

Refer to Fig. 4, for another embodiment of this Novel LED fluorescent lamp, wherein carry out in the multiple spot position of the first pressing limit 14a and the second pressing limit 14b pressing operation to form multiple compacting point P, in order to the upper surface 12 of the both sides of the edge of LED circuit board 30 towards heat-conducting plate 11 is suppressed, make the second surface 32 of LED circuit board 30 can contact with heat-conducting plate 11, and then obtain preferably radiating effect by heat-conducting plate 11.

Disclose as above by the above embodiments although originally novel; so itself and be not used to limit that this is novel; anyly be familiar with this technical field and have and usually know the knowledgeable; in this novel aforesaid technical characteristic of understanding and embodiment; and not departing from these novel spirit and scope; when doing a little change and retouching, therefore novel scope of patent protection is as the criterion with the content defined in claim.

Claims

1. a LED daylight lamp, is characterized in that, comprising: a radiation shell, the lampshade being installed in this radiation shell and a LED circuit board, and an electric connection at the two ends being installed in this radiation shell and this lampshade is electrically connected with this LED circuit board, this radiation shell has at least one heat-conducting plate, this heat-conducting plate has the upper surface and a lower surface that are positioned at relative both sides, having in the both sides of the edge of this heat-conducting plate can by one first pressing limit of the distortion that presses and one second pressing limit, this LED circuit board comprises the first surface and a second surface that lay respectively at opposite flank, this first surface of this LED circuit board has printed circuit and multiple light-emittingdiode be electrically connected with this printed circuit, this second surface of this LED circuit board contacts with this heat-conducting plate, the both sides of the edge of this LED circuit board this upper surface towards this heat-conducting plate is suppressed by this first pressing limit that utilization can be out of shape by riveting and this second pressing limit, make this second surface of this LED circuit board can contact with this heat-conducting plate.

2. LED daylight lamp as claimed in claim 1, this radiation shell adopts aluminum alloy base material manufacture.

3. LED daylight lamp as claimed in claim 2, this radiation shell adopts extruded signing panel manufacture.

4. LED daylight lamp as claimed in claim 1, this radiation shell comprises a ribs and a heat sink, the both sides of the edge of this heat sink are connected with the both sides of the edge of this heat-conducting plate respectively, this ribs by this heat-conducting plate this lower surface towards this upper surface opposite direction projection and go out, one end of this ribs is connected to this lower surface of this heat-conducting plate, and the other end of this ribs is connected to support this heat sink with this heat sink.

5. LED daylight lamp as claimed in claim 1, the multiple spot position on this first pressing limit and this second pressing limit is pressed to be formed multiple compacting point, in order to be suppressed by the both sides of the edge of this LED circuit board this upper surface towards this heat-conducting plate, this second surface of this LED circuit board is made to contact with this heat-conducting plate.

6. LED daylight lamp as claimed in claim 1, the both sides of this heat-conducting plate of this radiation shell have the chute that the long axis direction along this radiation shell extends respectively, this lampshade be a kind of there is light transmission and and the shell linear element that extends along same long axis direction of this radiation shell, there is in the both sides of the edge of the transverse direction of this lampshade an outstanding rib respectively, those outstanding ribs just can slip into this chute of this radiation shell, make this lampshade be installed in this radiation shell.