CN105605479A - A large-power LED spotlight characterized by active heat dissipation - Google Patents
A large-power LED spotlight characterized by active heat dissipation Download PDFInfo
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- CN105605479A CN105605479A CN201410664487.3A CN201410664487A CN105605479A CN 105605479 A CN105605479 A CN 105605479A CN 201410664487 A CN201410664487 A CN 201410664487A CN 105605479 A CN105605479 A CN 105605479A
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- radiator
- fan
- temperature control
- light source
- control plate
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Abstract
The invention provides a large-power LED spotlight characterized by active heat dissipation and belongs to the field of lamps. A lamp holder is fixed on a lower cover; a power drive temperature control plate, a fan, a heat dissipation device, and LED light source, a light source pressing plate, reflective paper, a lens and an upper cover are successively and fixedly connected in a cone from bottom to top; the fan is electrically connected with the power drive temperature control plate, and the LED light source is electrically connected with the power drive temperature control plate; gaps are left between the power drive temperature control plate, the fan and the heat dissipation device, which are fixed on the lower cover via screws; the light source is arranged under the light source pressing plate which is fixed on a heat sink via screws; the reflective paper and the lens are arranged under the upper cover; the upper cover is connected with the heat dissipation device. The structure of the large-power LED spotlight is improved; the wind resistance is reduced and a heat dissipation air duct is unblocked; the manufacture process is simplified, the manufacture cost is reduced and the service life is prolonged.
Description
Technical field
The present invention relates to a kind of high-power LED spotlight, particularly a kind of high-power LED spotlight of active heat radiation, belongs to field of light fittings.
Background technology
The emergence of 21 century LED Lighting Industry, has become undisputable fact. At the commercial lighting field such as market, storage, along with the further reduction of LED illumination cost, home lighting field will start extensive growth, and room lighting will be the following the fastest market of growing up.
LED shot-light in room lighting at present, the active heat radiation of a kind of employing, a kind of passive heat radiation that adopts, passive heat radiation shot-light mainly adopts aluminium extruded car to manufacture or stamping forming full metal jacket, this kind of mode depended merely on the heat radiation of sealing state shell, and cross-ventilation is poor, and in the short time, temperature raises, be unfavorable for heat radiation, be difficult to realize large-power lamp. And skin temperature is high to scald one's hand, can cause the power supply dead lamp of at high temperature working, the light fixture of this structure is short service life, whole lamp Heavy Weight, and there is potential safety hazard; Active heat radiation is to adopt fan cooling, adopts at present fan cooling, and radiator heat-dissipation face is little, for fan attachment, need to increase an independent retaining element, and this retaining element can cause windage to become large, heat dissipation wind channel is not smooth, in this structure, fan and radiator are close to, and have reduced the utilization rate of fan wind flow, fan and driving power interval are inadequate, cause product temperature high, cost is high, and assembling is inconvenient. The mode of existing shot-light fixed lens on market, adopts a pressing plate, and pressing plate utilizes several screw lockings to fix or utilizes adhesive means to fix, this lens type shot-light, bad location when lens are installed, the mode of fixed power source, employing adhesive means is fixed, or be screwed, have assembling production technology trouble, production cost is high, production efficiency is low, the unfavorable factors such as installation and maintenance inconvenience, therefore, the LED fitting structure of design good heat dissipation effect is the key that improves the LED shot-light life-span.
Summary of the invention
For LED shot-light manufacturing process is loaded down with trivial details in front, radiator structure is unreasonable, short lamp problem of radiating effect weak effect, service life, the invention provides a kind of high-power LED spotlight of active heat radiation, object is to improve the structure of high-powered LED lamp, reduces windage, makes heat dissipation wind channel unimpeded, simplified manufacturing technique, lower manufacturing cost, reduce shot-light weight, increase the service life.
Technical scheme of the present invention is: a kind of high-power LED spotlight of active heat radiation, comprise lamp holder, described lamp holder is fixed on lower cover afterbody, lower cover top is cone, power drives temperature control plate has from bottom to top been fixedly connected sequentially in cone, fan, radiator, LED light source, light source pressing plate, reflective sheeting, lens, upper cover, described power drives temperature control plate and fan, electrical connection respectively between LED light source, described power drives temperature control plate, fan, between radiator, be provided with gap and be fixed on down and cover, in the middle of radiator, facility has heat sink, light source pressing plate is arranged with light source, light source pressing plate be fixed on heat sink on, upper cover is arranged with reflective sheeting and lens, between upper cover and radiator, fasten, described lower cover inside is provided with multiple buckles, locating dowel and screw column, power drives temperature control plate is provided with locating hole and draw-in groove on lower end, on radiator, be provided with multiple draw-in grooves, screw column and locating hole, lower cover locating dowel is arranged in power drives temperature control plate location emptying aperture, multiple buckles are buckled in respectively in power drives temperature control plate draw-in groove, in locating dowel, be provided with screw, screw is through radiator and fan, be fixedly connected on down and cover, upper cover periphery is provided with multiple downward buckles, bottom is provided with locating dowel, buckle coordinates fastening with radiator draw-in groove, upper cover locating dowel is arranged in radiator locating hole, in lower cover, be provided with step-like cylinder, lower cover top is cone, cone periphery is provided with several polygon air inlets, under cover and be provided with several positioning bars, radiator bottom is provided with several locating slots, positioning bar is arranged in locating slot, described radiator is circle or polygon, radiator is heat sink to be connected with arc radiating ribs with radiator outer ring, radiating ribs is arranged around center of circle circumference array, described reflective sheeting and lens are coniform, lens are positioned at reflective, reflective sheeting and lens bottom are provided with wire casing, described lens are that multiaspect reflected refraction is coniform, centre is provided with the anti-beam string structure of honeycomb, described upper cover is circle or polygon circulus, middle hollow parts is connected with the muscle position of arcuation with peripheral, muscle position distributes at upper cover circumference array, upper coarse and lower fine and up-thin-low-thick muscle bit interleaving is arranged, on cover and be provided with multiple locating dowels, on radiator, be provided with locating hole, upper cover locating dowel is inserted in the locating hole on radiator, affiliated fan and radiator top arrange groove, on described radiator screw column, be provided with boss, boss with above fan, contact, boss end screw column inserts in fan hole, boss height is gap between radiator and fan, gap is between 0.5-10mm, in described lower cover, multiple screw columns are provided with boss, boss height is lower cover and power drives temperature control plate gap, described gap is between 0.5-25mm.
Good effect of the present invention is: by column type is arranged to in lower cover bottom, can coordinate with lamp holder, the step-like cylinder of lower cover bottom design forming, can strengthen and being connected of the cone on top, set out air port by cone periphery, the heat that can utilize the inner fan arranging that internal LED light source and power drives temperature control plate are distributed is discharged, by LED light source is arranged on radiator heat sink on, can strengthen distributing of heat of light source, by at power drives temperature control plate, between fan and radiator, gap is set, can strengthen the utilization rate of air outlet, improve air quantity of fan utilization rate, by groove being set at fan and radiator top, can increase the contact area of air quantity of fan and radiator, prevent fan electromotor from high temperature working for a long time and lost efficacy, by under cover arrange screw column can utilize screw will divide fan and radiator fix, simultaneously, by boss is set on screw column, by power drives temperature control plate, between fan and radiator, separate, make to leave between them certain gap, be conducive to air discharging and radiating, be provided with in the middle of radiator solid heat sink, be conducive to again fixing radiating ribs, lower cover inside is provided with multiple screw columns, buckle, can fix, Positioning Power drives temperature control plate, fan and radiator, can buckle slot be set by radiator periphery again, the buckle covering in utilization is fixedly connected on heat transmission gas, lens can be fixed. by utilizing technical solution of the present invention, can increase the area of air outlet, reduce windage, accelerate convection velocity, promote the heat dispersion of shot-light entirety, make that this temperature is lower, cost is lower.
Brief description of the drawings
Fig. 1 large LED entirety decomposing schematic representation.
Fig. 2 lower cover structure decomposing schematic representation.
Fig. 3 lower cover, fan and radiator cross-sectional view.
Fig. 4 upper cover and heat spreader structures are related to schematic diagram.
Gap schematic diagram in Fig. 5 large LED lower cover between all parts.
The decomposing schematic representation of Fig. 6 radiator, light source, light source pressing plate, reflective sheeting, lens, upper cover.
Annexation schematic diagram between Fig. 7 upper cover and radiator.
Fig. 8 radiator upper surface schematic top plan view.
In Fig. 9 Fig. 8 along the generalized section of A1-A2.
Figure 10 radiator face lower surface elevational schematic view.
In Figure 11 Figure 10 along the generalized section of B1-B2.
Detailed description of the invention
Be elaborated with regard to technical scheme of the present invention referring to Fig. 1-Fig. 7 in conjunction with the embodiments. In figure, 101-lamp holder, 102-plastic cement lower cover, 103-power drives temperature control plate, 104-fan, 105-radiator, 106-screw, 107-screw, 108-LED light source, 109-light source pressing plate, 110-reflective sheeting, 111-lens, 112-upper cover, 201-locating dowel, 202-temperature control version locating hole, 203-buckle one, 204, buckle two, 205-limit rib, 206-draw-in groove one, 207-draw-in groove two, 208-wind passage mouth, 209-input line、301-screw column, 302-boss screw column, 303-positioning bar, 304-confined planes, 401-hole one, 402-hole two, 701-wire, 601-helical post, 602-boss screw column, 603-locating slot, 604-fan confined planes, 605-is heat sink, 701-wire, 802-spacing distance, 902-reflective sheeting crossed beam trunking, 903-light source board locating hole, 904-lens position post, 905-lens crossed beam trunking, the upper cover latch of 906-, 907-upper cover locating dowel, 908-radiator locating hole 909-radiator draw-in groove, 910-arc radiating ribs, 911-arc radiating surface, 913-radiating ribs, 914-outer ring, 915-radiating ribs one, 916 radiating ribs two.
Embodiment:
Fig. 1 is large LED entirety decomposing schematic representation, comprises lamp holder 101, plastic cement lower cover 102, power drives temperature control plate 103, fan 104, radiator 105, screw 106, screw 107, LED light source 108, light source pressing plate 109, reflective sheeting 110, lens 111, upper cover 112. Between described power drives temperature control plate 103 and fan 104, LED light source 108, be electrically connected respectively, between described power drives temperature control plate 103, fan 104, radiator 105, be provided with gap and be fixed on down and cover, in the middle of radiator 105, facility has heat sink 605, light source pressing plate 109 is arranged with LED light source 108, light source pressing plate 109 is fixed on heat sink 605, upper cover 112 is arranged with reflective sheeting 110 and lens 111, between upper cover 112 and radiator 105, snaps together.
Fig. 2 is mainly lower cover structure decomposing schematic representation, in lower cover 102, be provided with power drives temperature control plate 103, power drives temperature control plate 103 is by two locating dowels 201 on lower cover 102, location alignment power drives temperature control plate 103, then by draw-in groove 1 on power drives temperature control plate 103 and draw-in groove 2 207 with under cover buckle 1 and buckle 2 204 and align and buckle into. This kind of mounting means, Positioning Power drives temperature control plate 103 and is fixed fast, and be not allowed to condition in lower cover 102 and rock, and convenient for production, improve production efficiency, reduce cost.
In described lower cover 102, be provided with step-like cylinder, top is that cone periphery is provided with and is provided with several strip air inlets 208, to reach the use of quick heat loss through convection cooling, lower cover 102 is also provided with several limit ribs 205, while driving temperature control plate 103 fastenings to press down with fixed power source, can not sink. Lower cover 102 is threaded fixing with lamp holder 101, on power drives temperature control plate 103, input line 209 is electrically connected with lamp holder 101.
Described lower cover 102 inside are provided with and in buckle 1, buckle 2 204,201-locating dowel, 202-locating hole, cone, are also provided with and screw column 301, boss screw column 302, on power drives temperature control plate 103 lower ends, be provided with temperature control plate locating hole 202 and draw-in groove: draw-in groove 1, draw-in groove 2 207, lower cover locating dowel 201 is arranged in power drives temperature control plate location emptying aperture 202, multiple buckles are: buckle 1, buckle 2 204 are buckled in respectively power drives temperature control plate draw-in groove, namely in draw-in groove 1, draw-in groove 2 207.
Fig. 3 is lower cover, fan and radiator cross-sectional view, fan 104 utilizes wire 701 to be electrically connected with power drives temperature control plate 103, in the screw column 301 arranging in cone and boss screw column 302, there is screw 107, on fan 104, be provided with two holes 1 and two holes 2 402, screw column and boss screw column 302 ends are respectively through fan hole 1, hole 2 402, be fixedly connected on lower cover screw column 301 and boss screw column 302 on, with this positioning fan 104, on recycling lower cover 102, there is the fan confined planes 304 on boss screw column 302, spacing fan 104 does not sink, also make screw column 301 align with hole 2 402, reference is as Fig. 5, Fig. 5 is the gap schematic diagram between all parts in large LED lower cover, between fan 104 and power drives temperature control plate 103, there is the spacing distance 801 of 0.5-25mm, strip air inlet 208 rate that maximizes the use on lower cover 102, also make air inlet 208 windages less, air channel is more unimpeded, do not bring the high temperature of power drives temperature control plate 103 into yet, so, just can take away fast heat, the faster more cooling of effect. fan is maximized the use.
Fig. 4 is that upper cover and heat spreader structures are related to schematic diagram, two holes 2 402 on fan 104, with on radiator 105 two have boss screw column 602 insertion of aliging, locate radiator 105 with this, fan confined planes 604 on the boss screw column 602 arranging on recycling radiator 105, on spacing fan 104 and radiator 105 heat sink 605, make to have between them the spacing distance 802 of 0.5-10mm, (see figure 5) is with this, make fan 104 in the time of work, on each radiating surface that blows to radiator 105 of the air quantity energy peak use rate blowing out, take away fast the heat of radiator. also the radiator 105 that makes fan not be close to high temperature is worked, thereby prevents fan 104 under long term high temperature, working and lost efficacy. screw column 601 aligns with hole 1, as positioning bar 303 in Fig. 3 upper and lower covers 102 align with locating slot 603 on radiator 105 into, with play location radiator 105 effect.
In conjunction with Fig. 3, Fig. 4, Fig. 5, screw 106 is successively through radiator 105 tighten up a screw hole 1 and hole 2 402 on post 601, boss screw column 602 and fan 104, be locked in lower cover screw column 301 and boss screw column 302, fix fan 104 and radiator 105. with this
Fig. 6 is, LED light source 108 is electrically connected with power drives temperature control plate 103, screw 107 is locked in LED light source 108 on radiator 105 through light source pressing plate 109, light source pressing plate 109 is provided with reflective sheeting 110, be provided with reflective sheeting crossed beam trunking 902 above, in reflective sheeting 110, be provided with lens 111, in lens and reflective sheeting same position, be provided with lens and cross celestial grass 905, lens are provided with lens position post 904 and align and pack into the light source board locating hole 903 on light source pressing plate 109, positioning lens more accurately, use light effect better, reduce product fraction defective.
As Fig. 7, four locating dowels 907 insertion of aliging with four locating holes 908 on radiator 105 on upper cover 112, with the direction of location upper cover 112, four buckles 906 fastening that aligns with four buckle slots 909 on radiator on upper cover 112, with fixed lens 111, this kind of mode, facilitates production and assembly and maintenance, enhance productivity, reduce costs from face is more effective.
Fig. 8 is radiator upper surface schematic top plan view, Fig. 9 is along the generalized section along the generalized section 8A1-A2 face of A1-A2 in Fig. 8, radiator 105 is Heat Conduction Material (metal or plastic cement), radiator is rounded, centre is provided with solid heat sink 605, heat sinkly be connected with arc radiating ribs 910 with radiator outer ring 914, arc radiating ribs 910 is around center of circle circumference array, arc radiating ribs, arc radiating surface 911, with protruding radiating ribs 913, increase area of dissipation, more be conducive to take away more heat and lightweight, effectively reduce cost, radiating groove 912, there are two effects, one, reduce the diffusion velocity of heat to outer ring 914, from but outer ring 914 temperature are low, non-scald on hand. two, while being conducive to fan cooperating, make forced convertion more unimpeded, reduce windage, make wind that fan blows out more quickly and effectively take away heat.
Figure 10 is upper capping lower surface schematic top plan view, Figure 11 is the generalized section along B1-B2 in Figure 10, upper cover 112 is rounded, inner ring 917 is connected by radiating ribs 1 and radiating ribs 2 916 with outer ring 918, curved, radiating ribs 1, big up and small down, radiating ribs 1, is up-small and down-big, staggers around circumference array. This kind of structure, has increased the area of air outlet, has reduced windage, has accelerated convection velocity, has promoted the heat dispersion of shot-light entirety, makes this temperature lower. and cost is lower.
Claims (9)
1. the high-power LED spotlight of an active heat radiation, comprise lamp holder, it is characterized in that: described lamp holder is fixed on lower cover afterbody, lower cover top is cone, power drives temperature control plate has from bottom to top been fixedly connected sequentially in cone, fan, radiator, LED light source, light source pressing plate, reflective sheeting, lens, upper cover, described power drives temperature control plate and fan, electrical connection respectively between LED light source, described power drives temperature control plate, fan, between radiator, be provided with gap and be fixed on down and cover, in the middle of radiator, facility has heat sink, light source pressing plate is arranged with light source, light source pressing plate be fixed on heat sink on, upper cover is arranged with reflective sheeting and lens, between upper cover and radiator, fasten.
2. the high-power LED spotlight of a kind of active heat radiation according to claim 1, it is characterized in that: described lower cover inside is provided with multiple buckles, locating dowel and screw column, power drives temperature control plate is provided with locating hole and draw-in groove on lower end, on radiator, be provided with multiple draw-in grooves, screw column and locating hole, lower cover locating dowel is arranged in power drives temperature control plate location emptying aperture, multiple buckles are buckled in respectively in power drives temperature control plate draw-in groove, in locating dowel, be provided with screw, screw is through radiator and fan, be fixedly connected on down and cover, upper cover periphery is provided with multiple downward buckles, bottom is provided with locating dowel, buckle coordinates fastening with radiator draw-in groove, upper cover locating dowel is arranged in radiator locating hole.
3. the high-power LED spotlight of a kind of active heat radiation according to claim 1, it is characterized in that: in lower cover, be provided with step-like cylinder, lower cover top is cone, cone periphery is provided with several polygon air inlets, under cover and be provided with several positioning bars, radiator bottom is provided with several locating slots, and positioning bar is arranged in locating slot.
4. the high-power LED spotlight of a kind of active heat radiation according to claim 1, is characterized in that: described radiator is circle or polygon, and radiator is heat sink to be connected with arc radiating ribs with radiator outer ring, and radiating ribs is arranged around center of circle circumference array.
5. the high-power LED spotlight of a kind of active heat radiation according to claim 1, it is characterized in that: described reflective sheeting and lens are coniform, and lens are positioned at reflective, reflective sheeting and lens bottom are provided with wire casing, described lens are that multiaspect reflected refraction is coniform, and centre is provided with the anti-beam string structure of honeycomb.
6. the high-power LED spotlight of a kind of active heat radiation according to claim 1, it is characterized in that: described upper cover is circle or polygon circulus, middle hollow parts is connected with the muscle position of arcuation with peripheral, muscle position distributes at upper cover circumference array, upper coarse and lower fine and up-thin-low-thick muscle bit interleaving is arranged, on cover and be provided with multiple locating dowels, on radiator, be provided with locating hole, upper cover locating dowel is inserted in the locating hole on radiator.
7. the high-power LED spotlight of a kind of active heat radiation according to claim 1, is characterized in that: affiliated fan and radiator top arrange groove.
8. the high-power LED spotlight of a kind of active heat radiation according to claim 1 and 2, is characterized in that: in described lower cover, multiple screw columns are provided with boss, and boss height is lower cover and power drives temperature control plate gap, and described gap is between 0.5-25mm.
9. the high-power LED spotlight of a kind of active heat radiation according to claim 1 and 2, it is characterized in that: on described radiator screw column, be provided with boss, boss with above fan, contact, boss end screw column inserts in fan hole, boss height is gap between radiator and fan, and gap is between 0.5-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410664487.3A CN105605479A (en) | 2014-11-20 | 2014-11-20 | A large-power LED spotlight characterized by active heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410664487.3A CN105605479A (en) | 2014-11-20 | 2014-11-20 | A large-power LED spotlight characterized by active heat dissipation |
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| Publication Number | Publication Date |
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| CN105605479A true CN105605479A (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410664487.3A Pending CN105605479A (en) | 2014-11-20 | 2014-11-20 | A large-power LED spotlight characterized by active heat dissipation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247292A (en) * | 2016-08-03 | 2016-12-21 | 中山市风华稀柠照明设计有限公司 | A kind of Heat radiation lamp holder of LED |
| CN106287464A (en) * | 2016-09-26 | 2017-01-04 | 众普森科技（株洲）有限公司 | A kind of lamp body radiator and high shed light |
| CN108224228A (en) * | 2017-12-25 | 2018-06-29 | 佛山市珂莎巴科技有限公司 | A kind of track spotlight |
| CN109140257A (en) * | 2018-09-10 | 2019-01-04 | 葛成燕 | A kind of LED lamp |
-
2014
- 2014-11-20 CN CN201410664487.3A patent/CN105605479A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247292A (en) * | 2016-08-03 | 2016-12-21 | 中山市风华稀柠照明设计有限公司 | A kind of Heat radiation lamp holder of LED |
| CN106287464A (en) * | 2016-09-26 | 2017-01-04 | 众普森科技（株洲）有限公司 | A kind of lamp body radiator and high shed light |
| CN108224228A (en) * | 2017-12-25 | 2018-06-29 | 佛山市珂莎巴科技有限公司 | A kind of track spotlight |
| CN109140257A (en) * | 2018-09-10 | 2019-01-04 | 葛成燕 | A kind of LED lamp |
| CN109140257B (en) * | 2018-09-10 | 2020-01-10 | 东莞钜鼎照明有限公司 | LED lamp |
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Application publication date: 20160525 |
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| WD01 | Invention patent application deemed withdrawn after publication |