Lamp post structure
Technical field
The utility model relates to a kind of lamp post structure, is meant the LED street lamp that a kind of light-illuminating scope is wide, thermal diffusivity is good especially.
Background technology
LED is widely used in the illumination of street lamp because of having advantages such as high brightness, power saving, life-span length.General LED lamp post structure is to be provided with circuit board in a lampshade, assists to establish the plurality of LEDs lamp and form a led module on circuit board, reaches the purpose of irradiation.While actually employed can be found, because LED assists on the circuit board of being located at the plane, the ray cast direction must be towards following, the top (being the lampshade place) that adds general lamppost is far apart with ground, even if therefore adopt the LED lamp of many gatherings, the scope that can shine only limits to lampshade zone vertically downward, and many small cup street lamps need be set on the road can be illuminated, and does not meet the demand of street lamp.
The utility model content
Therefore, the purpose of this utility model is that the problem limited at the transitional street lamps range of exposures improves, and designs the wider street lamp of a kind of range of exposures.In addition, the utility model has also designed radiator structure at the street lamp of this structure, to solve the relatively poor problem of LED lamp hear resistance.
For addressing the above problem, the utility model provides a kind of lamp post structure, comprises:
One body has a crestal surface and two side, and this crestal surface has a plurality of radiating fins, forms an accommodation space between this two side and this crestal surface; One led module is arranged in this accommodation space, includes an epimere identical with the angle of this crestal surface, and a plurality of and this epimere is shaped to the taper lamp hole of one, and a LED lamp all is set in each lamp hole; One LGP is arranged at below the light source of this led module, and combines with this body; One protecgulum has the end face identical with this body, is arranged at this body one end with the combination of the side of sealing this accommodation space, and this front cover surface has a plurality ofly can connect the radiating fin of establishing continuously with this body; One bonnet, have the end face identical with this body, and be arranged at this body other end with the combination of the opposite side that seals this accommodation space, this back cap surface has a plurality ofly can connect the radiating fin of establishing continuously with this body, and have a plurality of space bars, and and this body between form a plurality of rooms that hold circuit structure, this bonnet free end still includes a trepanning that engages with lamppost.
As mentioned above, the basic framework of lamp post structure described in the utility model includes a body, offer an accommodation space for a led module and a LGP are set in the body bottom, respectively make up a protecgulum and a bonnet, just form the blank of the utility model street lamp in the front and rear end of body.
For reaching the wide purpose of range of exposures, the means of being implemented are that this led module further includes an epimere, supply to be provided with the LED lamp in a plurality of lamp holes of moulding on this epimere, each lamp hole.According to result of experiment repeatedly, the preferable angle of this epimere is to intersect between plate face and the horizontal plane between 5 ° to 25 °, by this LGP light harvesting, can produce bigger light range of exposures again.
For reaching the purpose of heat radiation, the means of being implemented are to adopt the mode of aluminium extruded to make this body, because of the radiator of aluminium extruded system has the general high pyroconductivity of aluminium die casting.Have a plurality of radiating fins on the body, and in order to make body more press close to led module, thereby body is also made ridge.The heat energy that long-time irradiation is produced down can be by the contacting of body and LED lamp, and heat is conducted fast and diffuses to radiating fin, and by cross-ventilation heat is dissipated to surrounding environment from the fin surface.
The beneficial effects of the utility model are, described lamp post structure is arranged on the LED lamp on the epimere owing to have gradient, therefore its light source projects direction no longer is limited to the following vertical direction of light fixture, and can produce oblique ray, and the light on epimere two sides can be interlaced, thereby can produce large-area irradiation; On the other hand, light fitting body of the present utility model promptly is a heat abstractor, needn't as the LED lamp of prior art must be outside lampshade or in set up a radiator structure, therefore not only volume is little for the utility model light fixture, and body and led module applying energy quick conductive, overturn common people for LED because of the heat energy height, cause short impression of life-span; In addition, by the utility model architectural feature as can be known, the utility model light fixture adopts assembly type, particularly can directly establish between body and the bonnet with the screw lock, if the circuit arrangement that is arranged in the bonnet has damage can take the bonnet maintenance immediately apart, as long as perhaps open a little lid of back cap surface, can pull out power line and be connected with power supply.
Description of drawings
Fig. 1 is the body three-dimensional exploded view of lamp post structure described in the utility model;
Fig. 2 is the body assembled sectional view of lamp post structure described in the utility model;
Fig. 3 is the forward and backward lid and the body three-dimensional exploded view of lamp post structure described in the utility model;
Fig. 4 is the bonnet and the body three-dimensional exploded view of lamp post structure described in the utility model;
Fig. 5 is the stereogram of lamp post structure described in the utility model;
Fig. 6 is the cutaway view of lamp post structure described in the utility model in conjunction with lamppost.
Main component symbol description
1. body
11. crestal surface
12. radiating fin
13. sidewall
131. eaves
14. last accommodation space
15. following accommodation space
2. protecgulum
21. radiating fin
3. bonnet
31. radiating fin
32. space bar
33. room
34. trepanning
35. lid
4.LED module
41. epimere
42. lamp hole
43.LED lamp
5. LGP
6. deckle board
7. lamppost
The specific embodiment
Below cooperate graphic and component symbol is done more detailed description to embodiment of the present utility model, after studying this specification carefully, can implement according to this so that be familiar with the staff of this technology.
A protecgulum and a bonnet that lamp post structure described in the utility model mainly comprises a body and is incorporated into this forward and backward end of body are with the led module and the LGP that are arranged at the body bottom.
See also Fig. 1 and Fig. 2, be respectively the body preferred embodiment three-dimensional exploded view and the assembled sectional view of lamp post structure described in the utility model.Mold this body 1 of a cover cap shape with aluminium extruded system, body 1 structure includes a crestal surface 11, angle between this crestal surface 11 and the horizontal line can design between 5 ° to 25 °, have a plurality of on the crestal surface 11 with the alternate radiating fin 12 of groove, the both sides of crestal surface 11 have with this crestal surface 11 and are vertical sidewall 13, therefore form an accommodation space between crestal surface 11 and the two side 13, for this led module 4 and this LGP 5 are set.Further 13 inner face moulding, one eaves 131 in the two side, and in body 1 bottom surface in conjunction with a deckle board 6, make this accommodation space can be divided on one accommodation space 14 and accommodation space 15 once, led module 4 and LGP 5 are set respectively.
Led module 4 include one with the identical epimere 41 of body 1 crestal surface 11 angles, and a plurality of and this epimere 41 is shaped to the taper lamp hole 42 of one, one LED lamp 43 all is set in each lamp hole 42, those LED lamps 43 can be planned, all adopt same color or be divided into not homochromy district, can shinny simultaneously or alternately glimmer, in the utility model, do not limited.Led module 4 is embedded at accommodation space 14 on this, and each lamp hole 42 end face contacts with body 1 crestal surface 11.
LGP 5 is embedded at the following accommodation space 15 between this eaves 131 and this deckle board 6.Can screw locking deckle board 6 and body 1, avoid LGP 5 to break away from bodies 1, and then led module 4 be located in the body 1.
See also Fig. 3 and Fig. 4, be respectively the forward and backward lid of lamp post structure described in the utility model and the three-dimensional exploded view of body preferred embodiment.Because the aluminium extruded mode can't mold complicated shape, therefore this protecgulum 2 of the present utility model can be in addition with the aluminium extruded moulding.Protecgulum 2 has the end face identical with body 1, and is arranged at body 1 front end sealing a side of described accommodation space, and protecgulum 2 surfaces have a plurality ofly can connect the radiating fin of establishing 21 continuously with body 1.
This bonnet 3 can aluminium extruded system mold germule, otherwise is processed into finished product again.It has the end face identical with body 1, and be arranged at body 1 rear end to seal the opposite side of accommodation space, bonnet 3 surfaces have a plurality ofly can connect the radiating fin of establishing 31 continuously with body 1, and have a plurality of space bars 32, when bonnet 3 is combined with body 1, can form a plurality of circuit structure rooms 33 of (figure does not show) that hold, can be in those rooms 33 for putting circuit structures such as stabilizer and power line.Bonnet 3 free ends still include a trepanning 34 that can engage with lamppost 7 (as shown in Figure 6).The mode that bonnet 3 combines with body 1 can be established to body 1 from space bar 32 locks by a plurality of screws.Establish a lid 35 on room 33 surfaces of putting power line with the screw lock, can pull out inner power line and be connected with power supply as long as pull down this lid 35.The lamp post structure of installation as shown in Figure 5.
See also Fig. 6 and be the cutaway view of lamp post structure described in the utility model in conjunction with lamppost.This lamp post structure characteristic is, LED lamp 43 is arranged in epimere 41 lamp holes 42 with angle, once electric power starting, LED lamp 43 near epimere 41 central authorities can provide downward illumination, 43 on the LED lamp in the approaching more outside can deflection shine, therefore LED lamp 43 throw lights of epimere 41 both sides can be interlaced, reaches the light harvesting effect by LGP 5 again, so can enlarge illumination range.The heat energy that the long-time irradiation of light source is produced down can make the hot radiating fin 12 that conducts and diffuse to body 1 fast by the contacting of body 1 and LED lamp 43, and by cross-ventilation with heat from radiating fin 12 diffusion into the surfaces to surrounding environment.The pyroconductivity of aluminium extruded type fin (is about 160~180W/m.K) pyroconductivities than aluminium die-casting die fin (about 96W/m.K) height, can promotes the service life of LED lamp 43.Aspect installation, establish with the screw lock between body 1 and the lower cover in addition, easy to assembly, if damaging, the circuit in the lower cover can unload maintenance immediately.
The above only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; therefore everyly all must be included within the scope of patent protection of the present utility model about any modification of the present utility model or change following work of identical creation spirit.