CN203823513U - LED mining lamp - Google Patents
LED mining lamp Download PDFInfo
- Publication number
- CN203823513U CN203823513U CN201420188585.XU CN201420188585U CN203823513U CN 203823513 U CN203823513 U CN 203823513U CN 201420188585 U CN201420188585 U CN 201420188585U CN 203823513 U CN203823513 U CN 203823513U
- Authority
- CN
- China
- Prior art keywords
- fan
- led
- metal
- lamp
- heat dissipation
- 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 - Lifetime
Links
- 238000005065 mining Methods 0.000 title abstract 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 76
- 239000002184 metal Substances 0.000 claims abstract description 76
- 239000000758 substrate Substances 0.000 claims description 30
- 230000017525 heat dissipation Effects 0.000 claims description 26
- 238000004020 luminiscence type Methods 0.000 claims description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 230000005855 radiation Effects 0.000 abstract description 10
- 230000002633 protecting effect Effects 0.000 abstract 1
- 230000000191 radiation effect Effects 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a high-power LED mining lamp. The LED mining lamp comprises a lamp cap, a circuit board, a fan, a lamp housing and LED luminous components, wherein the lamp cap is fixed on the lamp housing; the circuit board, the fan and the LED luminous components are positioned in the lamp housing; the fan and the LED luminous components are connected with the lamp cap through the circuit board; a ventilation opening is formed in the outer wall of the lamp housing; a metal heat radiation baseplate is mounted in the lamp housing; the LED luminous components are fixed at the lower part of the metal heat radiation baseplate; the fan is mounted above the metal heat radiation baseplate; a temperature fuse is arranged between the LED luminous components and the circuit board; one end of the temperature fuse is in contact with the metal heat radiation baseplate; the other end of the temperature fuse is connected with the circuit board. According to the LED mining lamp, the structure is novel, the LED mining lamp has an overheat protecting effect and an initiative heat radiation capacity, under the combined action of overheat protection and the initiative heat radiation, the LED mining lamp is low in burnout probability and has good heat radiation effect.
Description
Technical field
The utility model relates to a kind of high-powered LED lamp, particularly relates to a kind of high-power LED mine lamp.
Background technology
Traditional bulkhead lamp capable is in the majority with 250W or 400W high-pressure mercury lamp and Metal halogen lamp, Character Comparison with novel LED light fixture, there is comparatively significantly difference, consider that high-pressure mercury lamp in actual use and Metal halogen lamp light decay and secondary go out optical issue, its actual luminous efficiency, far below 80lm/W, often cannot reach 7 one-tenth of nominal.Therefore present bulkhead lamp capable all adopts the transition of LED bulkhead lamp capable.
Although novel LED luminous efficiency increases substantially, and has occurred the difficult technical problem of dispelling the heat.For this class problem, current LED bulkhead lamp capable all adopts the passive heat radiation of metal heat sink of thermal conductivity of all kinds, but this passive heat radiation is very limited, its radiating effect still exists and is being difficult to control fast overheated problem in the face of LED bulkhead lamp capable more than power 70W, therefore, once existing LED bulkhead lamp capable heat accumulation just easily burns out the LED luminescence component in LED bulkhead lamp capable, thereby causes current LED bulkhead lamp capable short service life.
Summary of the invention
Technical problem to be solved of the present utility model is to provide a kind of novel structure; have the LED bulkhead lamp capable of overtemperature protection and active heat removal ability concurrently; this LED bulkhead lamp capable under the acting in conjunction of overtemperature protection and active heat removal, not only easy burn-out not, and good heat dissipation effect.
In order to solve above-mentioned technical problem to be solved, the utility model has adopted following technical scheme:
LED bulkhead lamp capable, comprises lamp holder, wiring board, fan, lamp housing and LED luminescence component, and lamp holder is fixed on lamp housing; Wiring board, fan and LED luminescence component are in lamp housing, and fan is connected described lamp holder by wiring board respectively with LED luminescence component; Described lamp housing outer wall is provided with ventilating opening, and heat dissipation metal substrate is installed in lamp housing, and LED luminescence component is fixed on heat dissipation metal substrate below, and described fan is arranged on the top of heat dissipation metal substrate; Between described LED luminescence component and wiring board, be provided with Thermal Cutoffs, Thermal Cutoffs one end contacting metal heat-radiating substrate, other end connection line plate, Thermal Cutoffs provides overtemperature protection for LED luminescence component.
As preferably, described lamp housing comprises the plastic upper casing on top and the metal lower shell of bottom, and plastic upper casing is equipped mutually with metal lower shell, and heat dissipation metal substrate is arranged in described metal lower shell; Described ventilating opening comprises the air inlet of hollow out and the air outlet of metal lower shell on plastic upper casing, and described heat dissipation metal substrate position is between fan and air outlet.
As preferably, described heat dissipation metal substrate is made up of the metal fin of the multiple circumferential array of metallic plate and top of bottom, between arbitrary neighborhood metal fin, leaves gap; The metal fin inner side on heat dissipation metal substrate top surrounds a center cavity for fan wind-guiding, and described center cavity surrounding is communicated with respectively the gap between adjacent metal fin; Gap between adjacent described metal fin is communicated with the air outlet in metal lower shell.
As preferably, described metallic plate and multiple metal fin are all made of aluminum, and described metallic plate and multiple metal fin are connected as a single entity.
As preferably, LED bulkhead lamp capable also comprises fan coaming plate, and described fan coaming plate ringwise, is fixedly trapped among fan periphery, and this fan coaming plate is except centre ventilates, and edge seals entirely, can prevent wind short circuit.
Compared with prior art, the utility model has adopted the LED bulkhead lamp capable of technique scheme, and its beneficial effect is:
On the one hand, the utility model is installed the fan for active heat removal above LED bulkhead lamp capable heat dissipation metal substrate, and fan self mechanical energy conversion ratio is very high, generates heat little, but can increase well the Air Flow in lamp housing.Coordinate adding of this fan, in the lamp design of this LED bulkhead lamp capable, also designed ventilating opening, under the operation of fan, well by the ventilating opening cold and hot air of exchange fast, take away heat in lamp housing, realize quick heat radiating.
On the other hand, the utility model damages or when fan active heat removal strength is also not enough, by adding the Thermal Cutoffs being located between heat dissipation metal substrate and wiring board, prevents that heat dissipation metal substrate is overheated at fan, guarantees that LED luminescence component is not burnt.
Based on above-mentioned two aspects, the utility model has the advantage of: radiating mode does not only improve too many cost, and be better than any passive heat radiation, radiating effect is very good; In the time that active heat removal strength is also not enough, overtemperature protection is provided, cause LED bulkhead lamp capable working stability of the present utility model, long service life.
Brief description of the drawings
Fig. 1: the cross-sectional view of the utility model embodiment.
Fig. 2: the three-dimensional structure diagram of the utility model embodiment partly cut-away.
Fig. 3: the stereogram of the utility model embodiment.
Detailed description of the invention
In order to make technical problem to be solved of the present utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment: LED bulkhead lamp capable as shown in Figure 1, Figure 2 and Figure 3, this LED bulkhead lamp capable comprises lamp holder 5, lamp housing, wiring board 8, fan 6, Thermal Cutoffs 7, lampshade 1 and LED luminescence component 2.Lamp holder 5 is fixed on lamp housing, and wiring board 8, fan 6, Thermal Cutoffs 7 and LED luminescence component 2 are installed in lamp housing, and fan 6, Thermal Cutoffs 7 and LED luminescence component 2 are connected described lamp holder 5 by wiring board 8 respectively.Lampshade 1 is arranged on lamp housing below and covers LED luminescence component 2.Wherein:
Lamp housing comprises the plastic upper casing 4 on top and the metal lower shell 3 of bottom, and plastic upper casing 4 is equipped mutually with metal lower shell 3, and interfixes by screw, forms lamp housing.Metal lower shell 3 is aluminum hulls, and heat dissipation metal substrate 30 is installed in metal lower shell 3, and above-mentioned LED luminescence component 2 is LED light source, is made up of LED module and line related, and LED luminescence component 2 is divided into many illuminating sources and is all fixed on heat dissipation metal substrate 30 belows.
For heat radiation better, and have bonding strength better, above-mentioned heat dissipation metal substrate 30 is aluminum base plates, and metal lower shell 3 inner sides and heat dissipation metal substrate 30 are connected as a single entity.
Shown in Fig. 1, Fig. 2 and Fig. 3, said fans 6 is as active heat removal parts, and it is specifically arranged on the top of heat dissipation metal substrate 30.The plastic upper casing 4 of fan 6 tops is provided with the air inlet 41 of hollow out, and the metal lower shell 3 of fan 6 belows is provided with air outlet 31, and heat dissipation metal substrate 30 positions are between fan 6 and air outlet 31.Particularly, above-mentioned heat dissipation metal substrate 30 is made up of metallic plate 30a and the multiple circumferentially regularly arranged metal fin 30b in top of bottom, and metallic plate 30a and metal fin 30b are also all aluminum materials, and are connected as a single entity.Between above-mentioned arbitrary neighborhood metal fin 30b, leave gap, each gap is equidistant, metal fin 30b inner side surrounds a center cavity 30c for fan 6 wind-guidings, and center cavity 30c is cylindrical, and center cavity 30c surrounding is communicated with respectively the gap between adjacent metal fin 30b.Gap between adjacent metal fin 30b is communicated with the air outlet 31 in metal lower shell 3.Said temperature fuse 7 positions are in fan 6 outsides, and are connected between LED luminescence component 2 and wiring board 8.Be that above-mentioned LED luminescence component 2 is exactly by Thermal Cutoffs 7 connection line plates 8.Particularly, Thermal Cutoffs 7 lower end contacting metal heat-radiating substrate 30 electric connection LED luminescence components 2, upper end is by wire connecting line road plate 8.Thermal Cutoffs 7 is a kind of overheated fusible links with attemperating unit, while exceeding limiting temperature, will block LED luminescence component 2 and power, and plays the effect of overtemperature protection.
For air-out better, as shown in Figure 3, above-mentioned air outlet 31 positions are in metal lower shell 3 sidepieces in lampshade 1 outside, and air outlet 31 is opening down.Object is to allow air-out passage follow-up post alloy belong to heat-radiating substrate 30 inner spaces, and the wind abundant turn of tidal stream above metallic plate 30a that allows fan 6 blow out, takes away heat in maximum efficiency.
For better by the air conducting in lamp housing, improve radiating effect, reduce wind makes an uproar simultaneously, above-mentioned LED bulkhead lamp capable also comprises fan coaming plate 61, ringwise, fixing metal heat-radiating substrate 30 tops also make it be trapped among fan 6 peripheries to described fan coaming plate 61, and fan coaming plate 61 is except centre ventilates, edge seals entirely, can prevent wind short circuit.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc.; as adopting other outside aluminum metal, metal lower shell 3, heat dissipation metal substrate 30 make such as the good metal of the thermal conductivity such as aluminium alloy, copper, within all should being included in protection domain of the present utility model.
Claims (5)
1.LED bulkhead lamp capable, is characterized in that: comprise lamp holder (5), wiring board (8), fan (6), lamp housing and LED luminescence component (2), lamp holder (5) is fixed on lamp housing; Wiring board (8), fan (6) and LED luminescence component (2) are in lamp housing, and fan (6) is connected described lamp holder (5) by wiring board (8) respectively with LED luminescence component (2); Described lamp housing outer wall is provided with ventilating opening, and heat dissipation metal substrate (30) is installed in lamp housing, and LED luminescence component (2) is fixed on heat dissipation metal substrate (30) below, and described fan (6) is arranged on the top of heat dissipation metal substrate (30); Between described LED luminescence component (2) and wiring board (8), be provided with Thermal Cutoffs (7), Thermal Cutoffs (7) one end contacting metal heat-radiating substrate (30), other end connection line plate (8).
2. LED bulkhead lamp capable according to claim 1, it is characterized in that: described lamp housing comprises the plastic upper casing (4) on top and the metal lower shell (3) of bottom, plastic upper casing (4) is equipped mutually with metal lower shell (3), and heat dissipation metal substrate (30) is arranged in described metal lower shell (3); Described ventilating opening comprises the upper air inlet (41) of hollow out of plastic upper casing (4) and the air outlet (31) of metal lower shell (3), and described heat dissipation metal substrate (30) position is between fan (6) and air outlet (31).
3. LED bulkhead lamp capable according to claim 1 and 2, it is characterized in that: described heat dissipation metal substrate (30) is made up of the metallic plate (30a) of bottom and the metal fin (30b) of the multiple circumferential array in top, between arbitrary neighborhood metal fin (30b), leaves gap; Metal fin (30b) inner side on heat dissipation metal substrate (30) top surrounds a center cavity (30c) for fan (6) wind-guiding, and described center cavity (30c) surrounding is communicated with respectively the gap between adjacent metal fin (30b); Gap between adjacent described metal fin (30b) is communicated with the air outlet (31) in metal lower shell (3).
4. LED bulkhead lamp capable according to claim 3, is characterized in that: described metallic plate (30a) and multiple metal fin (30b) are all made of aluminum, and described metallic plate (30a) and multiple metal fin (30b) are connected as a single entity.
5. LED bulkhead lamp capable according to claim 1 and 2, is characterized in that: also comprise fan coaming plate (61), described fan coaming plate (61) ringwise, is fixedly trapped among fan (6) periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188585.XU CN203823513U (en) | 2014-04-17 | 2014-04-17 | LED mining lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188585.XU CN203823513U (en) | 2014-04-17 | 2014-04-17 | LED mining lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203823513U true CN203823513U (en) | 2014-09-10 |
Family
ID=51479012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420188585.XU Expired - Lifetime CN203823513U (en) | 2014-04-17 | 2014-04-17 | LED mining lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203823513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183176A (en) * | 2022-07-07 | 2022-10-14 | 余正宇 | LED industrial and mining lamp easy to disassemble, assemble and maintain |
-
2014
- 2014-04-17 CN CN201420188585.XU patent/CN203823513U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183176A (en) * | 2022-07-07 | 2022-10-14 | 余正宇 | LED industrial and mining lamp easy to disassemble, assemble and maintain |
| CN115183176B (en) * | 2022-07-07 | 2023-12-08 | 国网安徽省电力有限公司亳州供电公司 | LED industrial and mining lamp easy to disassemble, assemble and maintain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
|
| CX01 | Expiry of patent term |