CN202442144U - LED lamps - Google Patents
LED lamps Download PDFInfo
- Publication number
- CN202442144U CN202442144U CN2012200239216U CN201220023921U CN202442144U CN 202442144 U CN202442144 U CN 202442144U CN 2012200239216 U CN2012200239216 U CN 2012200239216U CN 201220023921 U CN201220023921 U CN 201220023921U CN 202442144 U CN202442144 U CN 202442144U
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- China
- Prior art keywords
- radiator
- light fixture
- lamp
- led light
- housing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 210000002445 nipple Anatomy 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
本实用新型公开了一种LED灯具。该LED灯具包括壳体及连接于壳体一端的灯头和连接于壳体另一端的散热器，散热器一端安装有排风扇，排风扇和散热器之间设置有挡板。本实用新型不仅散热效果好、安全系数高、整体使用寿命长，可降低维护频率，并且可减小散热片体积。灯具整体结构紧凑，使LED灯具的式样、尺寸接近于普通灯具，可与普通灯具直接替换，使用十分方便，因而具有广阔的推广应用前景。
The utility model discloses an LED lamp. The LED lamp includes a shell, a lamp holder connected to one end of the shell, and a radiator connected to the other end of the shell. An exhaust fan is installed at one end of the radiator, and a baffle is arranged between the exhaust fan and the radiator. The utility model not only has good heat dissipation effect, high safety factor, and long overall service life, but also can reduce maintenance frequency and reduce the volume of the heat sink. The overall structure of the lamp is compact, so that the style and size of the LED lamp are close to those of ordinary lamps, and it can be directly replaced with ordinary lamps. It is very convenient to use, and thus has broad prospects for promotion and application.
Description
Technical field
The utility model relates to lighting apparatus, particularly a kind of LED light fixture.
Background technology
LED (Light Emitting Diode, light emitting diode) illumination market is main with great power LED at present.But high-powered LED lamp heating phenomenon when work is serious, and LED is a kind of electronic devices and components, and too high operating temperature has shortened the service life of LED.Existing household LED illuminating lamp is to adopt passive radiating mode mostly.Because the volume of fin is bigger, the volume of light fixture is increased, the inconvenience that brings light fixture to use.Existing simultaneously light fixture in use fin surrounding air is mobile not good, causes radiating effect poor.The reason excessive because of fin and service life is short makes illumination cost high, is unfavorable for popularizing of LED lighting.In recent years, people are to the LED light fixture, and especially small-sized household LED lighting has carried out a lot of improvement.Application number is the LED light fixture that 201010512785.2,201020289987.0 and 201020517036.4 Chinese patent discloses the forced-ventilated heat radiation respectively.These LED light fixtures use the forced-ventilated fan to carry out forced convertion, improved radiating effect to a certain extent, but also there is following shortcoming in its structure aspect heat radiation:
(1) near the negative pressure that produces the air inlet of forced-ventilated fan will suck air intake one side again through the hot blast of radiator, cause convection effects to weaken, and the heat that can not completely effectively high-powered LED lamp be sent when working distributes.
(2) because hot blast sucks air intake one side again, LED lamp casing temperature raises.After using one section use continuously, the temperature of LED lamp casing can surpass the softening temperature of common plastics.Therefore, the housing of forced-ventilated heat-dissipating LED lamp generally will use hard materials such as metal, pottery or glass, and cost is high, is difficult to processing and easy deformation or cracked.
(3) because lamp casing is difficult to processing, the lamp holder of light fixture generally can only use adhesive to be bonded on the lamp casing.Because in use case temperature is higher, the adhesive easy ageing causes lamp holder to become flexible even comes off.
The utility model content
The purpose of the utility model provides a kind of novel more light fixture of heating such as the LED lamp that is applicable to.
An aspect according to the utility model provides LED light fixture, comprises housing and is connected to the lamp holder and the radiator at two ends, and radiator one end is equipped with ventilating fan, is provided with baffle plate between ventilating fan and the radiator.The setting of baffle plate makes the hot blast through radiator can't get into air intake one side, has strengthened convection effects, has avoided the lamp casing heating, and the heat that can effectively high-powered LED lamp be sent when working distributes.Thus, can prolong the service life of LED light fixture.
In some embodiments, baffle plate is provided with the through hole corresponding with ventilating fan.Can form heat dissipation channel between baffle plate and the radiator, strengthen the effect of heat loss through convection
In some embodiments, housing is provided with air inlet and screw is installed, and radiator is provided with in order to the installed surface of lamp plate to be installed, and installed surface also offers the clamping part that lampshade is installed.Thus, the structure of light fixture is compact more, installs also convenient.
In some embodiments, housing is that plastic cement is stamped to form through mould.Thus, can reduce manufacturing cost, and the housing processing that plastic cement is processed is simple and in light weight, difficult broken.
In some embodiments, an end of housing connection lamp holder has nipple.The screw thread of this nipple and lamp holder inside is complementary, and lamp holder can be screwed on the nipple, and is more firm, has avoided the phenomenon that the lamp holder generation is become flexible even come off after adhesive under the situation of using adhesive is aging.The mounting means of lamp holder is spiral or bayonet type or plug-in type.Thus, this LED light fixture can adapt to multiple standards and is installed on different places with standard.
In some embodiments, also has the heat conduction glue-line between lamp plate and the radiator installed surface.Heat-conducting glue can play the effect of fixed L ED lamp plate, and can further improve the radiating effect of cooling base.
In some embodiments, baffle plate and radiator are combined into one.The structure of light fixture is compact more thus.
Description of drawings
Fig. 1 is the sketch map of the LED light fixture of the utility model one embodiment.
Fig. 2 is the exploded view of the LED light fixture of the utility model one embodiment.
Fig. 3 is that existing forced-ventilated radiation type LED lamp fixture inner air is to flow diagram.
Fig. 4 is the LED lamp interior cross-ventilation sketch map of the utility model one embodiment.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed explanation.
Fig. 1 has schematically shown the LED light fixture according to a kind of embodiment of the utility model.As shown in the figure, the profile of this LED light fixture is similar with the screw socket incandescent lamp bulb, comprises housing 1, lamp holder 2, lampshade 3, baffle plate 9 and radiator 7.Housing 1 is provided with first installing hole 15.Lamp holder 2 spins through screw thread and housing 1.Housing 1 is fixing with radiator 7 through the screw in first installing hole 15 (figure does not show) with baffle plate 9.Lampshade 3 is fastened on the radiator 7 through the clamping part 14 that is arranged on the radiator 7.Housing 1 also is provided with air inlet 5, and during light fixture work, cold air gets into housing 1 inside from air inlet 5, discharges from the exhaust outlet 6 that radiator 7 is provided with.The mounting means of the lamp holder 2 in the present embodiment can be for spiral, and promptly the E formula also can be buckle-type, and promptly the B formula perhaps is a plug-in type, and the G formula.Standard GB/T 1406.1-2008 and GB/T 1406.5-2008 etc. have carried out detailed regulation to the pattern and the size of above-mentioned lamp holder 2.The LED light fixture that the utility model provides can have the lamp holder 2 of multiple pattern and size according to relevant standard.Housing 1 in the present embodiment is a plastic casing.In other embodiment, baffle plate 9 can also manufacture one with radiator 7.
Fig. 2 has schematically shown the LED light fixture according to a kind of embodiment of the utility model.As shown in the figure, lamp holder 2 spins fixing through the nipple 13 of screw thread and housing 1 one ends.Screw 12 is fixed in radiator 7 one sides through first installing hole 15 on the housing 1 and second installing hole 18 on the baffle plate 9 with housing 1 and baffle plate 9.Driving power 11 is screwed a side of housing being installed in radiator 7 through the 3rd installing hole 19 and the 4th installing hole 20 respectively with ventilating fan 10.Radiator 7 opposite sides have the installed surface 16 that lamp plate 4 is installed, and lamp plate 4 is fixed on the installed surface 16 through screw, scribbles one deck heat-conducting glue between lamp plate 4 and the installed surface 16.Installed surface 16 is provided with the clamping part 14 that lampshade 3 is installed, and lampshade 3 is fastened on the installed surface 16 of radiator 7 through clamping part 14.In the present embodiment, lamp plate 4 uses screw to be fixed on the installed surface 16.In other embodiment, lamp plate 4 can cooperate other modes to be fixed on the installed surface 16 with heat-conducting glue or heat-conducting glue.
Fig. 3 and Fig. 4 are respectively the LED lamp interior cross-ventilation sketch map that existing forced-ventilated radiation type LED lamp fixture and the utility model provide.Arrow has schematically been represented LED lamp interior cross-ventilation situation among the figure.As shown in Figure 3, when the ventilating fan 10 of existing forced-ventilated radiation type LED lamp fixture was worked, air got into lamp interior from air inlet 5, passed through ventilating fan 10 after-blow then to radiator 7, after exhaust outlet 6 discharges.During the work of LED light fixture, radiator 7 temperature are higher, absorb heat during air process radiator 7 and become hot-air.Generally speaking, the diameter of radiator 7 is greater than the diameter of ventilating fan 10.Part hot-air is discharged through exhaust outlet 6; Near the negative pressure that produces the air inlet 5 of another part Hot air quilt ventilating fan 10 sucks air intake one side again.Reduce effective capacity of ventilating fan 10 thus, reduced the radiating efficiency of light fixture.Because hot-air gets into air intake one side, heat is brought in the housing 1, and housing 1 temperature can raise gradually.
As shown in Figure 4, the LED light fixture that the utility model provides is provided with baffle plate 9 between ventilating fan 10 and radiator 7.Baffle plate 9 has the corresponding through hole 17 of ventilating fan.Air gets into lamp interior from air inlet 5, behind ventilating fan 10, blows to radiator 7 through through hole 17.Because the existence of baffle plate 9 forms heat dissipation wind channel 8 between radiator 7 and the baffle plate 9, hot-air is all discharged through exhaust outlet 6 through heat dissipation wind channel 8, can not get into air intake one side.Thus, not only improve effective capacity of ventilating fan 10, improved the radiating efficiency of light fixture, and case temperature raises very little.Can know that through Fig. 3 and Fig. 4 comparison the LED light fixture that the utility model provides has bigger raising aspect radiating efficiency.And, make housing can adopt plastic material in ground, the convenient manufacturing because case temperature can not raise basically.
Above-described only is some embodiments of the utility model.For the person of ordinary skill of the art; Under the prerequisite that does not break away from the utility model creation design; Can also make some distortion and improvement; For example change the shape of this LED light fixture and the order of connection or the mode of each parts of change LED light fixture, these all belong to the protection domain of the utility model.
Claims (7)
1.LED light fixture, lamp holder that comprises housing and be connected in housing one end and the radiator that is connected in the housing other end, radiator one end is equipped with ventilating fan, it is characterized in that, is provided with baffle plate between described ventilating fan and the radiator.
2. LED light fixture according to claim 1 is characterized in that described baffle plate has the through hole corresponding with ventilating fan.
3. LED light fixture according to claim 1 is characterized in that, described radiator is provided with in order to the installed surface of lamp plate to be installed, and this installed surface has the clamping part that lampshade is installed, and lampshade is fastened on the installed surface through this clamping part.
4. LED light fixture according to claim 1 is characterized in that, described housing is that plastic cement is through the mould punch forming.
5. LED light fixture according to claim 4 is characterized in that, the end that described housing connects lamp holder has nipple.
6. according to each described LED light fixture of claim 1-4, it is characterized in that, be provided with the heat conduction glue-line between described lamp plate and the radiator.
7. LED light fixture according to claim 1 is characterized in that described baffle plate and radiator are combined into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200239216U CN202442144U (en) | 2012-01-19 | 2012-01-19 | LED lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200239216U CN202442144U (en) | 2012-01-19 | 2012-01-19 | LED lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202442144U true CN202442144U (en) | 2012-09-19 |
Family
ID=46823595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200239216U Expired - Fee Related CN202442144U (en) | 2012-01-19 | 2012-01-19 | LED lamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202442144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836597A (en) * | 2012-11-23 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | A kind of lamp heat dissipation device and its lamp |
| CN107806595A (en) * | 2017-11-25 | 2018-03-16 | 宁波市三峰智能科技股份有限公司 | A kind of blade inserting pattern projection lamp |
-
2012
- 2012-01-19 CN CN2012200239216U patent/CN202442144U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836597A (en) * | 2012-11-23 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | A kind of lamp heat dissipation device and its lamp |
| CN107806595A (en) * | 2017-11-25 | 2018-03-16 | 宁波市三峰智能科技股份有限公司 | A kind of blade inserting pattern projection lamp |
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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: 20120919 Termination date: 20150119 |
|
| EXPY | Termination of patent right or utility model |