CN201401674Y - Light-emitting diode type energy-saving lamp - Google Patents
Light-emitting diode type energy-saving lamp Download PDFInfo
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- CN201401674Y CN201401674Y CN2009201355778U CN200920135577U CN201401674Y CN 201401674 Y CN201401674 Y CN 201401674Y CN 2009201355778 U CN2009201355778 U CN 2009201355778U CN 200920135577 U CN200920135577 U CN 200920135577U CN 201401674 Y CN201401674 Y CN 201401674Y
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- led
- emitting diode
- saving lamp
- outer tube
- lamp
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- 229920003023 plastic Polymers 0.000 claims abstract description 7
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- 230000017525 heat dissipation Effects 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a light-emitting diode type energy-saving lamp which comprises a metal lamp tail for connecting a lamp socket and a lamp-shaped outer tube, wherein the metal lamp tail is electrically connected with a light-emitting diode, a heat conducting plate is arranged inside the body of the light-emitting diode type energy-saving lamp corresponding to the position of the outer tube, and is used for fixing the light-emitting diode, wherein, an inner tube is arranged inside the outer tube for fixing the heat conducting plate, and a heat conducting interlayer is arranged betweenthe outer tube and the inner tube. As adopting the technical measures that the inner metal tube is combined with the outer glass tube or the plastic tube, and the heat conducting interlayer is arranged between the inner tube and the outer tube, electric shock hazards caused by the exposure of the metal plate can be avoided, and the energy-saving lamp satisfies the strict requirements of safety regulation authentification such as UL and the like, practically solves the problem of heat radiation of high-power LED energy-saving lamps, has lower production and selling costs compared with the similar types of energy-saving lamps, and accelerates the spread of the LED lighting industry.
Description
Technical field
The utility model relates to field of illuminating device, and in particular, what relate to is a kind of improvement of LED-type electricity-saving lamp.
Background technology
Progressively replace in the age of conventional incandescent and/or old-fashioned fluorescent lamp at fluorescence formula electricity-saving lamp, there is a kind of novel electricity-saving lamp slowly to begin to enter people's the visual field, that is exactly LED (Light EmittingDiode, it is light emitting diode, hereinafter to be referred as LED) electricity-saving lamp, because the internal characteristics of LED has just determined that the LED electricity-saving lamp should be the perfect light source that replaces conventional light source, its photoelectric transformation efficiency height, life-span is long, and the gesture that replaces current energy-saving fluorescent lamp is arranged greatly.Yet, for the LED electricity-saving lamp that can promote illumination, especially low cost high powered LED electricity-saving lamp, also be faced with many technical barriers, comprise key problems such as heat radiation, light type, brightness, service life and cost, in order to solve the difficult problem in this field, the LED industry development has gone out many diverse ways and has solved.
Especially heat dissipation problem if handle badly, will quicken LED brightness decay (light decay) phenomenon, and then reduces the brightness and the service life of product.In present being seen LED electricity-saving lamp, most product has all adopted exposed metal shell, solve the problem of heat radiation as the heat dissipation technology of formula dorsad by back of the body end metal, though it is better to do the effect of heat radiation like this,, in use but exist serious potential safety hazard, generally all be difficult to (Underwriter Laboratories Inc by UL, being American insurance merchant laboratory, is a tame product safety test and a certification authority, hereinafter to be referred as UL) etc. safety authentication; In addition, the LED electricity-saving lamp of the manufacturer production that has because of the expensive technique that its product adopted, makes selling cost high, and also becoming influences first obstacle that the LED Lighting Industry is promoted.
Therefore, prior art still haves much room for improvement and develops.
The utility model content
The purpose of this utility model is, is to provide a kind of LED-type electricity-saving lamp, can be easy to by the authentication of safety such as UL, solution heat dissipation problem that again can be pragmatic; In electricity-saving lamp of the same type, cheaper production and selling cost can be arranged, can accelerate the popularization process of LED Lighting Industry.
The technical solution of the utility model is as follows:
A kind of LED-type electricity-saving lamp comprises be used to plug into the metalized lamp tail of lamp socket and the outer tube of a lamp shape, and described metalized lamp tail is electrically connected light emitting diode; And in the body interior of described LED-type electricity-saving lamp, the position of corresponding described outer tube is provided with a heat-conducting plate, is used for fixing described light emitting diode; Wherein, also be provided with an inner tube, be used for fixing this heat-conducting plate in the inside of described outer tube; And between described outer tube and inner tube, be provided with the heat conduction interlayer.
Described LED-type electricity-saving lamp, wherein, the madial wall shape of the lateral surface of described inner tube and described outer tube is complementary, and the recline madial wall of described outer tube of the lateral surface of described inner tube.
Described LED-type electricity-saving lamp, wherein, described light emitting diode is the direct current light emitting diode; And in the body interior of described LED-type electricity-saving lamp, the position of corresponding described metalized lamp tail is provided with an AC/DC changeover switch; One end of this AC/DC changeover switch is electrically connected described metalized lamp tail, and the other end is electrically connected described direct current light emitting diode; Be used for converting the alternating current that described metalized lamp tail inserts to direct current, and flow to described direct current light emitting diode.
Described LED-type electricity-saving lamp, wherein, described light emitting diode is an alternating-current light emitting diode, and directly connects described metalized lamp tail.
Described LED-type electricity-saving lamp, wherein, described inner tube is the heat dissipation metal pipe of sheet.
Described LED-type electricity-saving lamp, wherein, described outer tube is the glass radiating tube of printing opacity.
Described LED-type electricity-saving lamp, wherein, described outer tube is the plastics radiating tube of printing opacity.
Described LED-type electricity-saving lamp, wherein, described heat conduction interlayer is heat conductive silica gel or heat-conducting silicone grease.
A kind of LED-type electricity-saving lamp provided by the utility model, owing to adopted the inner layer metal pipe to combine with outer layer glass tube or plastic tube, and the technological means that the heat conduction interlayer is set betwixt; Avoided the exposed Danger Electric shock risk that is caused, both satisfied the strict demand of safety such as UL authentication because of sheet metal, pragmatic again solution the heat dissipation problem of high-power LED energy-saving lamp; And in electricity-saving lamp of the same type, more cheap production and selling cost is arranged, accelerated the popularization process of LED Lighting Industry.
Description of drawings
Fig. 1 is the structural representation of the bulb shape of the utility model LED-type electricity-saving lamp;
Fig. 2 is the structural representation of the fluorescent tube shape of the utility model LED-type electricity-saving lamp.
Fig. 3 is the structural representation of the straight tube-like of the utility model LED-type electricity-saving lamp;
The specific embodiment
Below with reference to accompanying drawing, the specific embodiment and the embodiment of the utility model LED-type electricity-saving lamp described in detail.
A kind of LED-type electricity-saving lamp of the present utility model, main core point is to have adopted inner tube and outer tube to combine, and the technological means that the heat conduction interlayer is set, and has solved heat dissipation problem; Be well known to those skilled in the art as for technology such as LED, DC LED, AC LED, UL authentications, do not repeat them here.
LED-type electricity-saving lamp of the present utility model, a kind of embodiment that it usually adopts, as shown in Figure 1, profile is as in the past incandescent lamp shape, can the plug into lamp socket of standard of metalized lamp tail 101, concrete interface shape is the interface shape of screw socket or miscellaneous stipulations, and described metalized lamp tail 101 is electrically connected light emitting diode 103; What closely be connected with metalized lamp tail 101 in shape is the outer tube 102 of bulb-shaped, and generally, this outer tube 102 adopts the glass or the plastics of printing opacities to make, and preferably has certain heat conduction and heat dispersion; In the body interior of described LED-type electricity-saving lamp, the position of corresponding described outer tube 102 is provided with a heat-conducting plate 104, is used for fixing the described light emitting diode 103 of array arrangement, and the heat that these light emitting diodes 103 can be produced passes; And be fixedly connected with an also inner tube 105 with described heat-conducting plate 104, again the heat on the heat-conducting plate 104 is outwards passed to described outer tube 102; Take away these heats by outer tube 102 and ambient air generation heat exchange at last, slowed down brightness decay (light decay) phenomenon of light emitting diode 103, and then prolonged the brightness and the service life of LED-type electricity-saving lamp.
In the present embodiment, the madial wall shape of the lateral surface of described inner tube 105 and described outer tube 102 is complementary, and the recline madial wall of described outer tube 102 of the lateral surface of described inner tube 105, if described outer tube 102 adopts the big little tapered bulb of tail of tradition head, the big end of described outer tube 102 can be made a hemispherical or bowl profile cover, small end is made a conical pipe, treats that described inner tube 105 installation backs are at the suit face shield; Otherwise described outer tube 102 also can adopt the form of straight tube, as shown in Figure 3, because of the structure of this embodiment identical with the structure of the embodiment shown in the accompanying drawing 1, difference is the straight tube-like that is shaped as of outer tube 302, and to make things convenient for the assembling of inner tube 305, all the other structures are identical, as metalized lamp tail 301 with metalized lamp tail 101, light emitting diode 303 is with light emitting diode 103, and heat-conducting plate 304 is with heat-conducting plate 104, and assembly relation is therebetween just no longer repeated herein; Simultaneously, for the radiating effect that makes the LED-type electricity-saving lamp better, as shown in Figure 1 between described outer tube 102 and inner tube 105, be provided with heat conduction interlayer 106, identical also has, be provided with heat conduction interlayer 306 between described outer tube 302 as shown in Figure 3 and the inner tube 305, all be closely to contact, similarly go back the heat conduction interlayer 206 shown in the drawings attached 2 to reduce thermal resistance by large tracts of land.
Generally, can adopt heat conductive silica gel or heat-conducting silicone grease that described inner tube 105 and outer tube 102 are adhesively fixed, at this moment, this layer heat conductive silica gel or heat-conducting silicone grease are exactly the heat carrier of described heat conduction interlayer 106 (or 206 or 306).Because heat conductive silica gel or heat-conducting silicone grease are in paste or pasty state in the process of using, its shape can increase the area of contact greatly with changing on every side.In general, heat conductive silica gel generally all has viscosity, and some can also solidify; And heat-conducting silicone grease generally can not solidify, even does not also have viscosity.
Need to prove, described heat conduction interlayer 106 (or 206 or 306) is containing metal or metal-free heat carrier, though the heat conductivility of metal is preferable, metal materials such as silver, aluminium, copper, iron for example, but metallic heat carrier often insulating properties is relatively poor, and price is than metal-free heat conduction height, especially the heat conductive silica gel or the heat-conducting silicone grease of noble metal such as argentiferous.So, in the concrete process of implementing, can according to circumstances select to use that a kind of heat carrier voluntarily.
Certainly, with accompanying drawing 1 is example, do not get rid of yet and have a kind of special case, that is exactly few in light emitting diode 103 quantity, when outer tube 102 spaces are big, also can not adopt heat conduction interlayer 106, and inner tube 105 is contacted with outer tube 102 direct large tracts of land, less therebetween thermal contact resistance is not enough to have influence on the brightness and the life-span of light emitting diode 103.
Angle from authentications such as safe in utilization and UL, because outer tube 102 is good glass of insulating properties or plastics, so, inner tube 105 can adopt metal material, as laminar heat dissipation metal pipe, can effectively receive the heat that heat-conducting plate 104 conduction are come on the one hand, can effectively give outer tube 102 by 106 conduction of heat conduction interlayer on the other hand heat; But also can be because of not having exposed heat dissipation metal plate, thereby have reduced being difficult to that creep age distance brought by the safety authentication result.
LED-type electricity-saving lamp of the present utility model, usually the another kind of embodiment of Cai Yonging as shown in Figure 2, is a lamp tube shapes, different is that the interface shape of metalized lamp tail 201 is an end of fluorescent-lamp tube with accompanying drawing 1 and accompanying drawing 3; Metalized lamp tail 201 is all adopted at two ends if desired, can adopt by each metalized lamp tail 201 and respectively support array arrangement at half light emitting diode 203 of outer tube 202 length; Also can use the metalized lamp tail 201 that is electrically connected whole light emitting diodes 203 by an end, and other end use have metalized lamp tail 201 profiles but are not electrically connected any light emitting diode 203.During work, metalized lamp tail 201 lamp socket of plugging into, electric current is incorporated into the light emitting diode 203 of electrical connection, when this light emitting diode 203 is luminous, its heat is transmitted on the heat-conducting plate 204 of fixing these light emitting diodes 203, the heat that the inner tube 205 of fixedlying connected with heat-conducting plate 204 is come conduction again is transmitted to outer tube 202 by heat conduction interlayer 206, finally by outer tube 202 and air generation heat exchange heat is distributed.
Need to prove, comprise above-mentioned three embodiment, the employed light emitting diode 103 of LED-type electricity-saving lamp of the present utility model (or 203 or 303), both can adopt direct current light emitting diode DC LED commonly used at present, also can adopt the alternating-current light emitting diode ACLED that slowly grows up.If adopt direct current light emitting diode DC LED, shown in accompanying drawing 1 (or 2 or 3), body interior at described LED-type electricity-saving lamp, 101 (or 201 or 301) position of corresponding described metalized lamp tail, promptly near the position of metalized lamp tail 101 (or 201 or 301), also be provided with an AC/DC changeover switch 107 (or 207 or 307), one end of this AC/DC changeover switch 107 (or 207 or 307) is electrically connected described metalized lamp tail 101 (or 201 or 301), and the other end is electrically connected described direct current light emitting diode 103 (or 203 or 303); Be used for converting the alternating current that described metalized lamp tail 101 (or 201 or 301) inserts to direct current, and flow to described direct current light emitting diode 103 (or 203 or 303), though at present, the working life of AC/DC changeover switch 107 (or 207 or 307) has directly had influence on the service life of LED-type electricity-saving lamp, also increased the material cost of LED-type electricity-saving lamp, but as the transition scheme in current period also should be all right with, even can also pass through the heat of inner tube 105 (or 205 or 305) with AC/DC changeover switch 107 (or 207 or 307), conduct to outer tube 102 (or 202 or 302) by heat conduction interlayer 106 (or 206 or 306), prolonging the working life of AC/DC changeover switch 107 (or 207 or 307), and then prolonged the service life of this type LED-type electricity-saving lamp relatively.
If adopt alternating-current light emitting diode AC LED, and each alternating-current light emitting diode AC LED has a characteristic, be exactly because the staggered matrix form of its process using is arranged, light in turn, for example in the alternating current of 60Hz, can rotate and light with the frequency of per second 60 times, this also allows the service life of AC LED long than DC LED, and Just because of this, the luminous efficiency of AC LED does not have DC LED height; But from long-range eye, along with the appearance of new material, new technology, the luminous efficiency of AC LED can meet or exceed DC LED.Till that time, the heat radiation of alternating-current light emitting diode AC LED will seem particularly important, the High Power LED formula electricity-saving lamp of the type particularly, should avoid the exposed of heat dissipation metal plate, indirect again distributes heat, and two preferred embodiments of LED-type electricity-saving lamp of the present utility model just solve these problems pragmaticly.
In the above preferred embodiment, inner tube and outer tube combine and technology that the heat conduction interlayer is set can adopt existing various possible schemes according to practical application, are well known to those skilled in the art, and also repeat no more at this.
The described a kind of LED-type electricity-saving lamp of the specific embodiment of the present utility model, owing to adopted the inner layer metal pipe to combine with outer layer glass tube or plastic tube, and the technological means that the heat conduction interlayer is set betwixt; Avoided the exposed Danger Electric shock risk that is caused, both satisfied the strict demand of safety such as UL authentication because of sheet metal, pragmatic again solution the heat dissipation problem of high-power LED energy-saving lamp; And in electricity-saving lamp of the same type, more cheap production and selling cost is arranged, accelerated the popularization process of LED Lighting Industry.
Should be understood that; for those of ordinary skills; can be improved according to the above description or conversion; for example a kind of have the fluorescent tube form LED electricity-saving lamp of two lamp tails, a kind of LED electricity-saving lamp that plugs tubular type etc., and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (8)
1, a kind of LED-type electricity-saving lamp comprises be used to plug into the metalized lamp tail of lamp socket and the outer tube of a lamp shape, and described metalized lamp tail is electrically connected light emitting diode; And in the body interior of described LED-type electricity-saving lamp, the position of corresponding described outer tube is provided with a heat-conducting plate, is used for fixing described light emitting diode; It is characterized in that, also be provided with an inner tube, be used for fixing this heat-conducting plate in the inside of described outer tube; And between described outer tube and inner tube, be provided with the heat conduction interlayer.
2, LED-type electricity-saving lamp according to claim 1 is characterized in that, the madial wall shape of the lateral surface of described inner tube and described outer tube is complementary, and the recline madial wall of described outer tube of the lateral surface of described inner tube.
3, LED-type electricity-saving lamp according to claim 1 is characterized in that, described light emitting diode is the direct current light emitting diode; And in the body interior of described LED-type electricity-saving lamp, the position of corresponding described metalized lamp tail is provided with an AC/DC changeover switch; One end of this AC/DC changeover switch is electrically connected described metalized lamp tail, and the other end is electrically connected described direct current light emitting diode; Be used for converting the alternating current that described metalized lamp tail inserts to direct current, and flow to described direct current light emitting diode.
4, LED-type electricity-saving lamp according to claim 1 is characterized in that, described light emitting diode is an alternating-current light emitting diode, and directly connects described metalized lamp tail.
5, LED-type electricity-saving lamp according to claim 1 is characterized in that, described inner tube is the heat dissipation metal pipe of sheet.
6, LED-type electricity-saving lamp according to claim 1 is characterized in that, described outer tube is the glass radiating tube of printing opacity.
7, LED-type electricity-saving lamp according to claim 1 is characterized in that, described outer tube is the plastics radiating tube of printing opacity.
8, according to arbitrary described LED-type electricity-saving lamp in the claim 1 to 7, it is characterized in that described heat conduction interlayer is heat conductive silica gel or heat-conducting silicone grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201355778U CN201401674Y (en) | 2009-03-13 | 2009-03-13 | Light-emitting diode type energy-saving lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201355778U CN201401674Y (en) | 2009-03-13 | 2009-03-13 | Light-emitting diode type energy-saving lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201401674Y true CN201401674Y (en) | 2010-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201355778U Expired - Fee Related CN201401674Y (en) | 2009-03-13 | 2009-03-13 | Light-emitting diode type energy-saving lamp |
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| CN (1) | CN201401674Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588755A (en) * | 2011-01-11 | 2012-07-18 | 深圳市长方半导体照明股份有限公司 | Light-emitting diode (LED) bulb lamp |
-
2009
- 2009-03-13 CN CN2009201355778U patent/CN201401674Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588755A (en) * | 2011-01-11 | 2012-07-18 | 深圳市长方半导体照明股份有限公司 | Light-emitting diode (LED) bulb lamp |
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| Date | Code | Title | Description |
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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: 20100210 Termination date: 20100313 |