CN102943967B - LED (Light Emitting Diode) tubular lamp with liquid heat transfer effect - Google Patents
LED (Light Emitting Diode) tubular lamp with liquid heat transfer effect Download PDFInfo
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- CN102943967B CN102943967B CN201210444014.3A CN201210444014A CN102943967B CN 102943967 B CN102943967 B CN 102943967B CN 201210444014 A CN201210444014 A CN 201210444014A CN 102943967 B CN102943967 B CN 102943967B
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Abstract
The invention discloses an LED (Light Emitting Diode) tubular lamp with a liquid heat transfer effect. The LED tubular lamp comprises a tubular sealing cover body, a light engine module, a plurality of light engine module fixing clamping rings and hollow sealing tubes, wherein the light engine module and the light engine module fixing clamping rings are arranged in the tubular sealing cover body; the hollow sealing tubes are sleeved in the light engine module fixing clamping rings; lamp caps are respectively connected to two ends of the tubular sealing cover body; a gap between the light engine module and the tubular sealing cover body forms a liquid circular heat radiating channel; the liquid circular heat radiating channel is filled with liquid with high thermal conductivity; the light engine module is electrically connected with the lamp caps through conductor wires; and the conductor wires are arranged in the hollow sealing tubes. The LED tubular lamp has the advantages that when the LED tubular lamp works, the liquid with high thermal conductivity forms convection in the liquid circular heat radiating channel for conducting the heat generated by ignition and work of a plurality of LED lamp beads in the light engine module to the tubular sealing cover body; and the heat is diffused to the air through the tubular sealing cover body. Due to the adoption of the mode, an excellent heat radiating effect is obtained, the junction temperature of the LED lamp beads in the light engine module can be effectively reduced and LED lamp products with high power and high luminous efficiency can be realized.
Description
Technical field
The present invention relates to a kind of LED light source, especially relate to a kind of LED lumiline lamp of liquid heat transfer.
Background technology
LED(Light Emitting Diode, light emitting diode) light source is as a kind of novel energy-saving light source, because of it, there is the features such as high light efficiency, high-color rendering, low-power consumption, long-life, so more and more occasion adopts LED light source to replace traditional light source to throw light on.
As everyone knows, LED light source is the same with traditional light source, can produce heat during operation, LED light source is under additional energy, it is luminous energy by 30～35% Conversion of Energy that the radiation recombination in electronics and hole and the electricity that occurs cause effect, but not the lattice vibration that radiation recombination occurs is heat energy by remaining Conversion of Energy of 65～70%.And LED lamp pearl is to the very sensitive illuminating part of temperature, in the situation that operating temperature is lower, it could obtain high reliable optical index, could meet the instructions for use of illumination conventionally, therefore conventionally need to dispel the heat to LED light source.
The basic aluminium section bar mode that adopts of traditional straight tube LED lamp heat radiation, but because area of dissipation is restricted, if in order to guarantee that brightness need to strengthen whole lamp power and luminous flux, can generate heat serious and lot of energy, be therefore difficult to improve whole lamp power and luminous flux; On the other hand, traditional straight tube LED lamp is because LED lamp pearl is to be welded in same aluminum-based circuit board, LED lamp pearl and aluminum-based circuit board are in same level, therefore the lighting angle of LED lamp pearl is restricted, whole lamp top there will be dark space, even if add optical filtering lampshade, its lighting angle maximum can only be also 180 ° of left and right, and Illumination Distribution is also very undesirable.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of simple in structure, cost is low, no dark space, and the LED lumiline lamp of the liquid heat transfer of perfect heat-dissipating.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of LED lumiline lamp of liquid heat transfer, it is characterized in that comprising tube-shape sealed cover body, light in tube-shape sealed cover body described in being arranged at vertically draws sincere module and a plurality of light draws fixedly snap ring of sincere module, be sheathed on described light and draw the fixedly hollow sealing pipe in snap ring of sincere module, the two ends of described tube-shape sealed cover body are connected with respectively lamp holder, described light draws sincere module and is fixed on a plurality of described light and draws sincere module fixedly on snap ring, described light draws the liquid-circulating heat radiation passage that space between sincere module and described tube-shape sealed cover body forms a sealing, in described liquid-circulating heat radiation passage, be filled with high-termal conductivity liquid, described light draws sincere module and is electrically connected to described lamp holder by conductor wire, described conductor wire is placed in described hollow sealing pipe.
Described light draw sincere module mainly the plurality of LEDs lamp pearl on the metal substrate by three-piece metal substrate at least and described in being arranged at every respectively form, a plurality of described light draws fixedly snap ring axially evenly arranging along described tube-shape sealed cover body of sincere module, described light draw sincere module fixedly snap ring mainly by the boss circumferentially evenly arranging of the ring body described in ring body and at least three edges, formed, the axial two side ends of described boss is respectively arranged with axial draw-in groove, being fixed between the boss being connected in described in two of the axial side of described metal substrate by described metal substrate and described axial draw-in groove.
On metal substrate described in every, be provided with the protective cover for the protection of described LED lamp pearl.
Described metal substrate is aluminium base; The cover body of described protective cover for being made by polycarbonate plastic; The making material that described hollow sealing pipe adopts is engineering plastics; LED lamp pearl axially evenly arranging along described metal substrate described in many on metal substrate described in every.
On the internal perisporium of described ring body, be provided with a plurality of for the mobile axial notch of described high-termal conductivity liquid-circulating.
Described hollow sealing pipe is mainly by mutual disconnected first paragraph short tube, second segment short tube and the 3rd section of short tube form, the first end of described first paragraph short tube is connected with one end of described tube-shape sealed cover body, the second end of described first paragraph short tube is tightly connected by the first end of seal nipple and described second segment short tube, the second end of described second segment short tube is tightly connected by the first end of seal nipple and described the 3rd section of short tube, the second end of the 3rd section of described short tube is connected with the other end of described tube-shape sealed cover body, described conductor wire is drawn outside described tube-shape sealed cover body by described first paragraph short tube and the 3rd section of described short tube.
On described second segment short tube, be provided with a plurality of for the described mobile through hole of high-termal conductivity liquid-circulating after expanded by heating.
In described second segment short tube, be provided with for cushioning the separator tube of the pressure producing after described high-termal conductivity heated liquid expands.
Described separator tube is silicone tube.
Described tube-shape sealed cover body mainly the first seal head and second seal head at the two ends of the tubular lampshade by tubular lampshade and described in being connected to forms, the cover body of described tubular lampshade for being made by the polycarbonate plastic after ground glass or atomization, on the first described seal head, be provided with the first conductor wire and draw through hole, on the second described seal head, be provided with the second conductor wire and draw through hole, the first end of the medial extremity of the first described seal head and described first paragraph short tube is tightly connected, the outboard end of the first described seal head is connected with the lamp holder described in one of them, the first described conductor wire is drawn through hole and is connected with described first paragraph short tube, the second end of the medial extremity of the second described seal head and described the 3rd section of short tube is tightly connected, the outboard end of the second described seal head is connected with the lamp holder described in another, the second described conductor wire is drawn through hole and is connected with the 3rd section of described short tube.
Compared with prior art, the invention has the advantages that:
1), the present invention by arranging light and draw sincere module and a plurality of light drawing fixedly snap ring of sincere module in tube-shape sealed cover body, and light is drawn to the liquid-circulating heat radiation passage that space between sincere module and tube-shape sealed cover body forms a sealing, and in liquid-circulating heat radiation passage, fill high-termal conductivity liquid, when LED lumiline lamp is worked like this, high-termal conductivity liquid is in the convection current of liquid-circulating heat radiation channel cycle, the heat producing when light is drawn to the plurality of LEDs lamp pearl burning-point work in sincere module conducts to tube-shape sealed cover body, by tube-shape sealed cover body, be dispersed in air again, this mode radiating effect is splendid, can effectively reduce the junction temperature that light draws the LED lamp pearl in sincere module, and can realize high-power, the LED lamp product of high light efficiency, as whole lamp power great power LED lumiline lamp more than 30W particularly more than 10W.
2), the present invention is by directly high-termal conductivity liquid being filled in the liquid-circulating heat radiation passage of the sealing forming in the space of being drawn by light between sincere module and tube-shape sealed cover body, make radiator structure more simple, and effectively reduce production cost.
3), the present invention is individually fixed in light and draws sincere module fixedly between at least three boss of snap ring by light being drawn at least three-piece metal substrate of sincere module, light draws sincere module and in tube-shape sealed cover body, is 360 degree distributions like this, not only improved luminous flux, and lighting angle is wide, make no dark space, whole lamp top, be more suitable for the features such as room lighting.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the LED lumiline lamp of the embodiment of the present invention one;
Fig. 2 is the decomposition texture schematic diagram of the LED lumiline lamp of the embodiment of the present invention one;
Fig. 3 is that the LED lumiline lamp of the embodiment of the present invention one removes the structural representation after tubular lampshade;
Fig. 4 is the axial cross-sectional schematic of the LED lumiline lamp of the embodiment of the present invention one;
Fig. 5 is the overall structure schematic diagram of the LED lumiline lamp of the embodiment of the present invention two.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Embodiment mono-:
The LED lumiline lamp of a kind of liquid heat transfer that the present invention proposes, as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, it comprises tube-shape sealed cover body 1, be arranged at vertically that light in tube-shape sealed cover body 1 draws sincere module 2 and a plurality of light draws fixedly snap ring 3 of sincere module, be sheathed on light and draw the fixedly hollow sealing pipe 4 in snap ring 3 of sincere module, the two ends of tube-shape sealed cover body 1 are connected with respectively lamp holder 5, light draws sincere module 2 and is fixed on a plurality of light and draws sincere module fixedly on snap ring 3, light draws the liquid-circulating heat radiation passage 6 of the sealing of space formation between sincere module 2 and tube-shape sealed cover body 1, in liquid-circulating heat radiation passage 6, be filled with high-termal conductivity liquid 7, high-termal conductivity liquid 7 draws sincere module 2 without any physical-chemical reaction with light, light draws sincere module 2 and is electrically connected to lamp holder 5 by conductor wire (not shown), conductor wire is placed in hollow sealing pipe 4, a plurality of light draw sincere module fixedly snap ring 3 segmentations be sheathed on outside hollow sealing pipe 4, be convenient to fixed light and draw sincere module 2.In the present embodiment, the light of employing draw sincere module fixedly the number of snap ring 3 be five.
In this specific embodiment, light draws sincere module 2 and mainly three-piece metal substrate 21 at least and the plurality of LEDs lamp pearl 22 that is arranged at respectively on every metal substrate 21, consists of, the hot weld dish of the hot weld dish of metal substrate 21 and LED lamp pearl 22 directly welds, can realize ultralow thermal resistance, a plurality of light draws fixedly snap ring 3 axially evenly arranging along tube-shape sealed cover body 1 of sincere module, light draw sincere module fixedly snap ring 3 mainly by ring body 31 and at least three boss 32 that circumferentially evenly arrange along ring bodies 31, formed, the axial two side ends of boss 32 is respectively arranged with axial draw-in groove 33, metal substrate 21 is connected between two boss 32 by axial side and axial being fixed of draw-in groove 33 of metal substrate 21, after multi-disc metal substrate 21 is fixed between a plurality of boss 32 like this, form polyhedral structure, the light that makes to fix draws sincere module 2 can be realized light 360 degree and distribute, effectively eliminated dark space.In the present embodiment, as shown in Figures 1 to 4, the sheet number of metal substrate 21 is five, light draw sincere module fixedly the number of the boss 32 on snap ring 3 be five.
In this specific embodiment, metal substrate 21 adopts aluminium base, also can adopt FR4 epoxy resin fiberglass plate alternative metals substrate; The making material that hollow sealing pipe 4 adopts is engineering plastics, as adopted Merlon (PC) plastics or polymethyl methacrylate (PMMA) plastics or poly terephthalic acid class (PET) plastics etc.; Plurality of LEDs lamp pearl 22 on every metal substrate 21 is axially evenly arranged along metal substrate 21, can make distribution of light more even.
In this specific embodiment, can on the internal perisporium of ring body 31, arrange a plurality ofly for the mobile axial notch 34 of high-termal conductivity liquid-circulating, the mobile space of high-termal conductivity liquid-circulating can be increased like this, thereby radiating effect can be strengthened.
In this specific embodiment, hollow sealing pipe 4 is mainly by mutual disconnected first paragraph short tube 41, second segment short tube 42 and the 3rd section of short tube 43 form, the first end of first paragraph short tube 41 is connected with one end of tube-shape sealed cover body 1, the second end of first paragraph short tube 41 is tightly connected by seal nipple 44 and the first end of second segment short tube 42, the second end of second segment short tube 42 is tightly connected by the first end of seal nipple 45 and the 3rd section of short tube 43, the second end of the 3rd section of short tube 43 is connected with the other end of tube-shape sealed cover body 1, conductor wire is drawn outside tubular seal closure body 1 by first paragraph short tube 41 and the 3rd section of short tube 43, on second segment short tube 42, be provided with a plurality of for the mobile through hole 46 of the high-termal conductivity liquid-circulating after expanded by heating.
In this specific embodiment, in second segment short tube 42, be provided with for cushioning the separator tube 47 of the pressure producing after high-termal conductivity heated liquid expands, separator tube 47 adopts the softer flexible colloid material of quality to make, as silicone tube.
In this specific embodiment, tube-shape sealed cover body 1 is mainly comprised of tubular lampshade 11 and the first seal head 12 and the second seal head 13 that are connected to the two ends of tubular lampshade 11, tubular lampshade 11 cover body that the ground glass of inside and outside double-deck frosted after processing or the polycarbonate plastic after atomization are made of serving as reasons, this cover body contributes to light even, on the first seal head 12, be provided with the first conductor wire and draw through hole 14, on the second seal head 13, be provided with the second conductor wire and draw through hole 15, the first end of the medial extremity of the first seal head 12 and first paragraph short tube 41 is tightly connected, the outboard end of the first seal head 12 is connected with one of them lamp holder 5, the first conductor wire is drawn through hole 14 and is connected with first paragraph short tube 41, the second end of the medial extremity of the second seal head 13 and the 3rd section of short tube 43 is tightly connected, the outboard end of the second seal head 13 is connected with another lamp holder 5, the second conductor wire is drawn through hole 15 and is connected with the 3rd section of short tube 43.At this, the first seal head 12 and the second seal head 13 can adopt external thread structure, the two ends of tubular lampshade 11 can adopt female thread structure, and encapsulation process is carried out by the high-termal conductivity liquid 7 in the first seal head 12 and 13 pairs of tubular lampshades 11 of the second seal head in the two ends of tube-shape sealed cover body 1.
In this specific embodiment, high-termal conductivity liquid 7 can adopt commercially available heat conductivility good, and light transmission is high, fire retardant insulating, corrosion-free environmental protection, liquid that circulating property is good, as: mineral oil and mixed liquor thereof, silicone oil and mixed liquor thereof, ethylene glycol mixed liquor, 1,2-propylene-glycol-based mixed liquor, trihydroxylic alcohol (glycerine) base mixed liquor, fluorocarbon, or other fluent material.
Embodiment bis-:
The present embodiment is on the basis of the LED lumiline lamp described in embodiment mono-; on every metal substrate 21, arrange one for the protection of the protective cover 23 of LED lamp pearl 22; as shown in Figure 5; when high-termal conductivity liquid 7 can draw sincere module 2 generation physics or chemical reaction with light; should, at the outer protective cover 23 that arranges of LED lamp pearl 22, by protective cover 23, intercept high-termal conductivity liquid 7 and draw contacting of sincere module 2 with light.At this, the cover body of protective cover 23 for being made by Merlon (PC) plastics.
Claims (9)
1. the LED lumiline lamp of a liquid heat transfer, it is characterized in that comprising tube-shape sealed cover body, light in tube-shape sealed cover body described in being arranged at vertically draws sincere module and a plurality of light draws fixedly snap ring of sincere module, be sheathed on described light and draw the fixedly hollow sealing pipe in snap ring of sincere module, the two ends of described tube-shape sealed cover body are connected with respectively lamp holder, described light draws sincere module and is fixed on a plurality of described light and draws sincere module fixedly on snap ring, described light draws the liquid-circulating heat radiation passage that space between sincere module and described tube-shape sealed cover body forms a sealing, in described liquid-circulating heat radiation passage, be filled with high-termal conductivity liquid, described light draws sincere module and is electrically connected to described lamp holder by conductor wire, described conductor wire is placed in described hollow sealing pipe,
Described hollow sealing pipe is mainly by mutual disconnected first paragraph short tube, second segment short tube and the 3rd section of short tube form, the first end of described first paragraph short tube is connected with one end of described tube-shape sealed cover body, the second end of described first paragraph short tube is tightly connected by the first end of seal nipple and described second segment short tube, the second end of described second segment short tube is tightly connected by the first end of seal nipple and described the 3rd section of short tube, the second end of the 3rd section of described short tube is connected with the other end of described tube-shape sealed cover body, described conductor wire is drawn outside described tube-shape sealed cover body by described first paragraph short tube and the 3rd section of described short tube.
2. the LED lumiline lamp of a kind of liquid heat transfer according to claim 1, it is characterized in that described light draw sincere module mainly the plurality of LEDs lamp pearl on the metal substrate by three-piece metal substrate at least and described in being arranged at every respectively form, a plurality of described light draws fixedly snap ring axially evenly arranging along described tube-shape sealed cover body of sincere module, described light draw sincere module fixedly snap ring mainly by the boss circumferentially evenly arranging of the ring body described in ring body and at least three edges, formed, the axial two side ends of described boss is respectively arranged with axial draw-in groove, being fixed between the boss being connected in described in two of the axial side of described metal substrate by described metal substrate and described axial draw-in groove.
3. the LED lumiline lamp of a kind of liquid heat transfer according to claim 2, is provided with the protective cover for the protection of described LED lamp pearl on the metal substrate described in it is characterized in that every.
4. the LED lumiline lamp of a kind of liquid heat transfer according to claim 3, is characterized in that described metal substrate is aluminium base; The cover body of described protective cover for being made by polycarbonate plastic; The making material that described hollow sealing pipe adopts is engineering plastics; LED lamp pearl axially evenly arranging along described metal substrate described in many on metal substrate described in every.
5. the LED lumiline lamp of a kind of liquid heat transfer according to claim 4, is provided with a plurality of for the mobile axial notch of described high-termal conductivity liquid-circulating on the internal perisporium of the ring body described in it is characterized in that.
6. the LED lumiline lamp of a kind of liquid heat transfer according to claim 1, is characterized in that being provided with on described second segment short tube a plurality of for the described mobile through hole of high-termal conductivity liquid-circulating after expanded by heating.
7. the LED lumiline lamp of a kind of liquid heat transfer according to claim 6, is characterized in that being provided with for cushioning the separator tube of the pressure producing after described high-termal conductivity heated liquid expands in described second segment short tube.
8. the LED lumiline lamp of a kind of liquid heat transfer according to claim 7, is characterized in that described separator tube is silicone tube.
9. the LED lumiline lamp of a kind of liquid heat transfer according to claim 1, it is characterized in that mainly the first seal head and second seal head at the two ends of the tubular lampshade by tubular lampshade and described in being connected to form described tube-shape sealed cover body, the cover body of described tubular lampshade for being made by the polycarbonate plastic after ground glass or atomization, on the first described seal head, be provided with the first conductor wire and draw through hole, on the second described seal head, be provided with the second conductor wire and draw through hole, the first end of the medial extremity of the first described seal head and described first paragraph short tube is tightly connected, the outboard end of the first described seal head is connected with the lamp holder described in one of them, the first described conductor wire is drawn through hole and is connected with described first paragraph short tube, the second end of the medial extremity of the second described seal head and described the 3rd section of short tube is tightly connected, the outboard end of the second described seal head is connected with the lamp holder described in another, the second described conductor wire is drawn through hole and is connected with the 3rd section of described short tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210444014.3A CN102943967B (en) | 2012-11-08 | 2012-11-08 | LED (Light Emitting Diode) tubular lamp with liquid heat transfer effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210444014.3A CN102943967B (en) | 2012-11-08 | 2012-11-08 | LED (Light Emitting Diode) tubular lamp with liquid heat transfer effect |
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| CN102943967A CN102943967A (en) | 2013-02-27 |
| CN102943967B true CN102943967B (en) | 2014-08-27 |
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Families Citing this family (5)
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| CN103162187B (en) * | 2013-03-08 | 2016-10-05 | 北京优格莱照明科技有限公司 | A kind of efficient energy-saving LED road lamp bulb |
| JP6995619B2 (en) | 2014-08-21 | 2022-01-14 | シグニファイ ホールディング ビー ヴィ | Luminescent device |
| CN105987297B (en) * | 2015-02-05 | 2019-05-17 | 佛山市禾才科技服务有限公司 | A kind of complete cycle light LED lamp tube |
| CN105987295B (en) * | 2015-02-05 | 2019-01-29 | 佛山市禾才科技服务有限公司 | A kind of complete cycle light LED light |
| CN105987298B (en) * | 2015-02-05 | 2018-11-06 | 佛山市禾才科技服务有限公司 | A kind of full light LED light with conducting ring |
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