The LED mine lamp
Technical field
The utility model relates to the lighting field of LED mine lamp, especially a kind of LED mine lamp of good heat dissipation effect.
Background technology
The abbreviation of LED(Light Emitting Diode, looking like is light emitting diode) mine lamp is mainly used in the illumination in the places such as pit mining, field work, storehouse.It is light source that the tradition mine lamp adopts Metal halogen lamp or electricity-saving lamp, but brightness, energy consumption, volume and on service life far away from the mine lamp that uses the LED lamp as light source.The LED lamp adopts emitting semiconductor to make, and can produce amount of heat when the LED lamp is luminous, and the high temperature more than 120 degrees centigrade can have a strong impact on brightness and the service life of LED lamp, also can affect the service life of the circuit board that is attached thereto.For this reason, the heat dissipation technology of LED lamp is difficult point and the focus of LED lamp research and development always, and along with the increase of LED lamp power, the heat that the LED lamp produces is more, and it is more urgent that quick heat radiating becomes.
Traditional mine lamp lamp housing is generally by calendering or the metal lamp housing of casting, and metal lamp housing not only complicated process of preparation, cost is high, and quality is heavy, so plastic lamp housing simple by technique, that cost is low, quality is light substitutes gradually.But the poor radiation of plastic lamp housing makes LED mine lamp of the prior art that radiator structure must be installed.
In prior art, LED lamp radiator structure mainly contains two kinds: a kind of is that fin is made in the mine lamp enclosure interior, and heat diffusion is slow, and radiating effect is bad, directly affects the life-span of LED lamp; Another kind of as disclosed in Chinese patent CN202118679U, fin is arranged on the mine lamp hull outside, make the part of lamp socket, by the column structure in the middle of radiator, the heat energy of mine lamp enclosure interior thermal source is derived, then in by exposed fin in the mine lamp outside, the heat energy of deriving being dispersed into air.In this kind mine lamp, radiator mostly is the heronsbill structure, complex structure, and volume is large, hangs when installing, and has certain potential safety hazard.
The utility model content
For this reason, to be solved in the utility model is that heat spreader structures is complicated, bulky technical problem, provides a kind of heat spreader structures simple LED mine lamp.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of LED mine lamp comprises the electric wire of head lamp, battery case, connection head lamp and battery case, and described head lamp further comprises injection casing, lighting apparatus component, O-ring seal, explosion-proof eyeglass and protecgulum, also comprises:
Heat dissipation metal plate, described heat dissipation metal plate comprise the applying radiating part that is fit to be fitted in described injection casing surface; Form installing hole on described heat dissipation metal plate;
Heat conduction metallic screw, described metallic screw run through described injection casing setting, and it is inner that the screw rod of described metallic screw is deep into described head lamp, and the nut of described metallic screw exposes described injection casing; The screw rod of described metallic screw passes described installing hole and described heat dissipation metal plate is fixed on the outside of described head lamp.
Described heat dissipation metal plate also comprises along the extension radiating part of the described screw rod of circumferential parcel of described metallic screw.
Described injection casing is the heat-conducting plastic shell.
Described explosion-proof eyeglass is polycarbonate lens.
Described LED mine lamp also comprises for protecgulum being fixed on the stopping means in precalculated position.
Described stopping means comprises the equidistant stopper slot that is arranged on described protecgulum periphery, and the gag lever post that is arranged on described injection casing opening part, and described gag lever post can be stuck in described stopper slot and be fixed.
Described gag lever post is metal spacing bar or plastics gag lever post.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1, described radiator is the sheet metal that is fitted in the injection casing surface, is fixed on the outside of described head lamp with metallic screw by heat conduction, and is simple in structure, volume is little, good heat dissipation effect.
2, described injection casing is the heat-conducting plastic shell, has strengthened radiating effect, and manufacture craft is simple, cost is low.
3, described explosion-proof eyeglass is polycarbonate lens, and cost is low, and light transmittance is high, light weight, the strong light weight of impact resistance, and non-friable, security performance is high.
4, the LED mine lamp also comprises the protecgulum stopping means, has limited the relative sliding between described protecgulum and described injection casing, has guaranteed the sealing of described mine lamp.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model, wherein according to specific embodiment of the utility model also by reference to the accompanying drawings
Fig. 1 is the installation diagram of LED mine lamp described in the utility model;
Fig. 2 is the explosive view of head lamp described in Fig. 1;
In figure, Reference numeral is expressed as: 1-head lamp, 11-injection casing, 12-gag lever post installing hole, 13-gag lever post, 2-battery case, 3-electric wire, 41-lamp bowl, 5-O-ring seal, the explosion-proof eyeglass of 6-, 7-protecgulum, 71-stopper slot, 8-heat dissipation metal plate, 81-installing hole, 82-applying radiating part, 83-extend radiating part, 9-metallic screw.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, LED mine lamp of the present utility model is described further:
Shown in accompanying drawing 1-2, be the LED mining lamp structure schematic diagram of an embodiment of the utility model.Described LED mine lamp, the electric wire 3 that comprises head lamp 1, battery case 2, connection head lamp 1 and battery case 2, described head lamp 1 further comprises injection casing 11, lighting apparatus component, O-ring seal 5, explosion-proof eyeglass 6 and protecgulum 7, also comprise: heat dissipation metal plate 8, described heat dissipation metal plate 8 comprises the applying radiating part 82 that is fit to be fitted in described injection casing 11 surfaces and along the extension radiating part 83 of described metallic screw 9 double-screw bolts of the circumferential parcel of described metallic screw 9, the size of described heat dissipation metal plate can be according to the needs adjustment of heat radiation; Form installing hole 81 on described heat dissipation metal plate 8; Heat conduction runs through described injection casing 11 and arranges with metallic screw 9, described metal spiral shell 9 nail, and it is inner that the screw rod of described metallic screw 9 is deep into described head lamp, and the nut of described metallic screw 9 exposes described injection casing 11; The screw rod of described metallic screw 9 passes described installing hole 81 and described heat dissipation metal plate 8 is fixed on the outside of described head lamp 1.
Described injection casing 11 is heat-conducting plastic shells, has strengthened the radiating effect of described LED mine lamp.
Described ray machine module further comprises printed circuit board (PCB), lamp bowl 41, LED lamp, switch and lithium battery.
Described lamp bowl 41 is parabola lamp bowls, can adopt the way of injection moulding, spraying plating to obtain with macromolecular material, also can adopt punching press, electric plating method machine-shaping with sheet metal.
Described LED lamp adopts warm colour LED lamp, the strong and eyeshield of illuminance.The quantity of described LED lamp 41 is one or many, can be selected according to the needs that reality is used, but in order to reach best illuminating effect, described LED lamp must be placed on the focal plane of described lamp bowl 41.When the quantity of described LED lamp equals or during more than 3; described lamp bowl 41 should be made as has a plurality of small-sized paraboloidal lamp bowls on a circular flat; the LED lamp is arranged on each small-sized paraboloidal focal plane, can realize purpose of the present invention equally, belongs to protection scope of the present invention.
Described explosion-proof eyeglass 6 adopts Merlon (PC) material with good optical property to make, and has the premium properties such as high transmission rate, light weight, impact resistance are strong, easy-formation.During more than or equal to 3, described explosion-proof eyeglass 6 can be prepared into non-spherical surface when the quantity of described LED lamp, realize secondary light-distribution, obtain more preferably going out light effect, can realize purpose of the present invention equally, belong to protection scope of the present invention.
Described lithium battery preferably phosphoric acid lithium iron battery does not need to safeguard, and is durable, discharges and recharges number of times greater than 1000 times, and the life-span is long, Environmental Safety.
Described LED mine lamp also comprises for protecgulum 7 being fixed on the stopping means in precalculated position.
Described stopping means comprises the equidistant stopper slot 71 that is arranged on described protecgulum periphery, and the gag lever post 13 that is arranged on described injection casing opening part, described gag lever post 13 is metal spacing bar or plastics gag lever post, be arranged on the integrated described gag lever post installing hole 12 of described injection casing 11 in, described gag lever post 13 can be stuck in described stopper slot 71 and be fixed.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among protection domain of the present utility model.