CN201014305Y

CN201014305Y - LED road lamp

Info

Publication number: CN201014305Y
Application number: CNU2007201410371U
Authority: CN
Inventors: 刘俊富
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-23
Filing date: 2007-03-23
Publication date: 2008-01-30
Anticipated expiration: 2017-03-23

Abstract

The utility model discloses a road lamp comprising a lamp post and a lamp shade of an enclosed and accommodation space formed by an upper cover and a lower cover. A separator arranged at the junction of the upper and the lower covers divides the accommodation space into a first accommodation chamber and a second accommodation chamber and the separator is provided with a hatch. A base above the hatch of the separator and arranged in the first accommodation chamber is used to close the second accommodation chamber, at the same time the other side of the base is provided with a plurality of luminous bodies corresponding to the hatch of the separator of the second accommodation chamber. A heat dissipating device is arranged on the base of the first accommodation chamber and extends to the outside of the lamp shade, besides, a fixing device is used to fix the heat dissipating device on the base. When the luminous body produces heat, the heat is absorbed by the base and transferred to the heat dissipating device. Through the high and low temperature difference of the heat dissipating device, the heat is transferred from high temperature (in the lamp shade) to low temperature (outside the lamp shade) to eliminate and lower the temperature produced by the luminous body.

Description

Street lamp

Technical field

The utility model relates to a kind of street lamp, and particularly a kind of heat pipe that utilizes is passed to extraneous street lamp with heat.

Background technology

Recently, (Light Emitting Diode LED) has advantages such as power saving, life-span length, no mercury pollution, replaces conventional bulb gradually and is widely used in every lighting apparatus because light emitting diode.No matter and use which kind of working flare, it all can produce heat because of internal loss and function conversion when illumination, this heat can make the rising of lighting device temperature, and easy damage of various assemblies or life-span are shortened, therefore, how to reduce the heat that lighting device produces, paid attention to by everybody gradually.

Existing street lamp is not provided with any heat abstractor, can't get rid of with the heat that causes lighting device to produce in good time; And lighting device is not airtight fully, and dust, moisture, mosquito etc. all might enter in the lampshade, cause lampshade inside dirty and messy, the effect and the brightness of influence illumination.Therefore a kind of street lamp of tool heat abstractor promptly develops out, can consult Taiwan patent announcement number M292042 patent, as shown in Figure 1, the sealing accommodation space that it adopts a loam cake 11 and a lower cover 12 to be synthesized, also there is a dividing plate 14 centre, and it is one first space 111 and one second space 121 that this accommodation space is separated.Have a perforate 141 to be provided with for a heat-conducting substrate 15 on its median septum 14, this heat-conducting substrate 15 is greater than this perforate 141, and is installed in these perforate 141 tops and makes this perforate 141 places sealing, and then second space 121 is for airtight fully.In addition and have a plurality of LED lamps 13 to be arranged on these heat-conducting substrate 15 another sides.One heat-conducting piece 16 will be passed on the radiating fin 18 through heat-conducting substrate 15 by the heat that LED lamp 13 produces, and by fan 17 heat on the radiating fin 18 is arranged by the pod apertures (figure shows) of being located at loam cake 11 and offering and to be shed, to reach radiating effect.

This kind lamp post structure is limited because of the lampshade inner space, and radiating fin installing quantity extremely limits, so radiating effect is not good; Each street lamp all need be installed at least one fan simultaneously; Fan is limited service life, and all is located at the place, higher position because of street lamp, also is difficult for realizing when fan failure damages, and changes also inconvenience, thereby influences illumination efficiency.

The utility model content

Existing street lamp has poor heat radiation and radiator fan and has fault and be difficult for realizing, maintain and shortcoming such as be difficult for.In view of above problem, the purpose of this utility model is to provide a kind of street lamp, and it can be effectively be passed to the external world with the heat of street lamp body, reduces the intrinsic temperature of street lamp, to solve existing problem of prior art or shortcoming.

Street lamp described in the utility model, include a lamp stand, one forms the lampshade of airtight accommodation space by a loam cake and a lower cover, and there is a dividing plate to be arranged at this airtight accommodation space, it is one first accommodation chamber and one second accommodation chamber that airtight accommodation space is separated, and wherein first accommodation chamber is with respect to loam cake, and second accommodation chamber is with respect to lower cover, and lampshade is connected with lamp stand, and dividing plate central authorities have an opening;

One pedestal is arranged on the opening of dividing plate of first accommodation chamber, and the one side in the opening of the relative dividing plate of pedestal towards second accommodation chamber is provided with a plurality of illuminators;

One heat abstractor is arranged on the pedestal of first accommodation chamber and extends to the lampshade outside, in addition, and a fixture is arranged, in order to heat abstractor is fixed on the pedestal.

Wherein, described heat abstractor is a heat pipe; This heat pipe can extend setting along described lamp stand, and has at least one fixture that this heat pipe is fixed on this lamp stand; On this heat pipe, can and be provided with the multi-disc radiating fin; This heat pipe can be arranged at the outer peripheral edges or the arbitrary place of inner peripheral of described lamp stand, and this heat pipe can be set to single or many heat pipes.

Described a plurality of illuminator is the LED lamp.

Street lamp described in the utility model has low, the no maintenance problem of cost of manufacture, and the heat eliminating that the LED lamp can be produced, and effectively reduces its temperature, has numerous effects.

Description of drawings

Fig. 1 is the schematic diagram of existing street lamp;

Fig. 2 is the schematic diagram of street lamp integral body described in the utility model;

Fig. 3 is the schematic diagram of street lamp described in the utility model;

Fig. 4 be in the street lamp described in the utility model fixed head fixedly heat pipe in the schematic diagram of pedestal;

Fig. 5 A and Fig. 5 B be in the described street lamp of the utility model second embodiment fixed head fixedly heat pipe in the schematic diagram of pedestal;

Fig. 6 A and Fig. 6 B are that heat pipe is fixed on the fixed head in the described street lamp of the utility model the 3rd embodiment, and fixed head is fixed in the schematic diagram on the pedestal again.

Wherein, description of reference numerals is as follows:

11 loam cakes, 21 lamp stands

111 first spaces, 22 lampshades

12 lower covers, 221 loam cakes

121 second spaces, 2,211 first accommodation chambers

13LED lamp 222 lower covers

14 dividing plates, 2,221 second accommodation chambers

141 perforates, 223 LED lamps

15 heat-conducting substrates, 224 dividing plates

16 heat-conducting pieces, 2241 openings

17 fans, 225 pedestals

18 radiating fins, 226 heat pipes

2261 radiating fins

2262 fixtures

227 fixed heads

2271 deep-slotted chip breakers

The specific embodiment

For making the purpose of this utility model, structure, feature and function thereof there are further understanding, now cooperate embodiment to be described in detail as follows.

See also shown in Figure 2, a kind of street lamp, its lampshade 22 of being formed the airtight accommodation space of tool by loam cake 221 and lower cover 222 by a L shaped lamp stand 21, is formed, this lampshade 22 also is connected with lamp stand 21.

See also shown in Figure 3, be provided with in lampshade 22 inside heat pipe 226 and that pedestal 225, that a dividing plate 224, is arranged at dividing plate 224 tops is arranged at pedestal 225 tops in order to fixing heat pipe 226 in the fixed head 227 of pedestal 225.

Its median septum 224 is arranged at

loam cake

221 and 222 joints of lower cover, and this accommodation space is divided into one first accommodation chamber 2211 and one second accommodation chamber 2221, first accommodation chamber 2211 is with respect to loam cake 221, and second accommodation chamber 2221 is with respect to lower cover 222, in addition, dividing plate central authorities have an opening 2241, with so that first accommodation chamber 2211 be connected with second accommodation chamber 2221.

Pedestal 225 is arranged at opening 2241 tops of the dividing plate 224 of first accommodation chamber 2211, and rectangular, size is slightly larger than the opening of dividing plate 224, and in order to this opening 2241 is sealed up, so dust, moisture, mosquito etc. then can not enter in second accommodation chamber 2221.And in pedestal 225 with respect to the opening 2241 of dividing plate 224 on the one side of second accommodation chamber 2221, be provided with a plurality of LED lamps 223, can be for the usefulness of illumination.This pedestal 225 is constituted with heat conduction good metal material, and purpose is disseminated to the temperature lower for heat fast Absorption and the conduction that LED lamp 223 is produced.

One heat pipe 226, be arranged at the pedestal 225 top center places of first accommodation chamber 2211, and it is outside and be provided with along lamp stand 21 to extend to lampshade 22 by loam cake 221 places, it is disseminated to lampshade 22 outsides in order to Btu utilization heat pipe 226 conduction with pedestal 225, this is because the heat pipe 226 in the lampshade 22 is close to pedestal 225, and pedestal 225 temperature are higher, and the heat pipe 226 of lampshade 22 outsides is lower because of contact environment air event temperature, so heat pipe 226 can constantly be passed to heat pipe 226 low temperature places (lampshade 22 is outer) by heat pipe 226 high temperature places (in the lampshade 22) with heat because of conduction of heat, so, can reach the heat that reduces LED lamp 223 and reduce its temperature.In addition, be located at the heat pipe 226 that lampshade 22 outsides are provided with along lamp stand 21, it can be provided with multi-disc radiating fin 2261, utilize the contact area between radiating fin 2261 expansions and air, remove fast in the heat of heat pipe 226 tops, make the heat of lampshade 22 inside can arrange loose faster, it is more remarkable to lower the temperature.In the present embodiment, heat pipe 226 is to be provided with along lamp stand 21 outer peripheral edges, and it also can be arranged at lamp stand 21 inner peripheral places, also can reach identical effect and more attractive in appearance.In addition, be fixed in lamp stand 21 for making heat pipe 226, the utility model adopts a fixture 2262, and heat pipe 226 is locked in this lamp stand 21 tops, and this fixture 2262 can be any fastener, as screw, anchor clamps etc.; Also visual actual demand and a plurality of fixtures 2262 are set.And heat pipe 226 is arranged at the position of pedestal 225 tops, also visual actual demand and adjusting.

Please cooperate shown in Figure 4ly, fixed head 227 is arranged at heat pipe 226 tops, and is rectangular, and it mainly makes heat pipe 226 be fixed in 225 of fixed head 227 and pedestals, and fixed form can adopt screw, rivet locking, or adopts welding, die casting or urgent mode to fix.In the present embodiment, have only a heat pipe 226, the quantity of heat pipe 226 also can be made as more than two or two, can change by actual demand.In addition, the bore of heat pipe 226 also can be selected, if will obtain more better heat radiating effect, also can use the heat pipe 226 of larger caliber, and heat pipe 226 can select different length to use by actual demand, to promote radiating effect.

See also shown in Fig. 5 A, this is the utility model second embodiment, on fixed head 227 and cooperate the shape of heat pipe 226 to be provided with a rectangular deep-slotted chip breaker 2271, heat pipe 226 inlay cards can be fixed, and fixed head 227 can utilize screw (figure shows) to screw togather fixing with pedestal 225.In the present embodiment, has only a heat pipe 226, the quantity of heat pipe 226 also can be made as two (seeing also shown in Fig. 5 B) or more than two, and when heat pipe 226 is set to two, the deep-slotted chip breaker 2271 of fixed head 227 is set to two with respect to the quantity of heat pipe 226, and can increase according to actual conditions.

See also shown in Fig. 6 A, this is the utility model the 3rd embodiment, on fixed head 227, set in advance deep-slotted chip breaker 2271 in order to bury heat pipe 226 underground, these deep-slotted chip breaker 2271 sizes are provided with respect to heat pipe 226 sizes, then heat pipe 226 inlay cards are fixed on the fixed head 227, fixed head 227 utilizes screw (figure does not show) to screw togather fixing with pedestal 225 more again.In the present embodiment, have only heat pipe 226 inlay cards to be fixed on the fixed head 227, the quantity of heat pipe 226 also can be made as two (seeing also shown in Fig. 6 B) or more than two, can increase by actual conditions, and the deep-slotted chip breaker 2271 of fixed head 227 is the quantity amplification setting with respect to heat pipe 226.In addition, deep-slotted chip breaker 2271 also can be circular arc, open type groove or otherwise with the locking heat pipe.

Please be back to shown in Figure 3 again, when street lighting, LED lamp 223 produces heat along with when illumination, after this heat absorbs via pedestal 225, be passed to the heat pipe 226 that is positioned at pedestal 225 tops, and heat pipe 226 is because of the inside and outside temperature difference of lampshade 22, and heat is passed to lampshade 22 outsides, and utilize the radiating fin 2261 be arranged at its top and heat is spread out, reach radiating effect.

Existing road lamp cooling structure has that radiating effect is not good, the fan maintenance is difficult for, and shortcomings such as damage also is difficult for realizing, the utility model can be less assembly, make street lamp reach radiating effect, equipment need not keep in repair simultaneously, can not damage yet, can effectively reduce the cost of making, can effectively reach the effect that prior art can't be reached.

Though the utility model discloses as above with aforesaid embodiment, it is not in order to limit the utility model.In not breaking away from spirit and scope of the present utility model, change of being done and retouching all belong to scope of patent protection of the present utility model.

Claims

1. a street lamp is characterized in that, comprising:

One lamp stand;

One lampshade, it forms an airtight accommodation space by a loam cake and a lower cover, and there is a dividing plate to be arranged at this airtight accommodation space, it is one first accommodation chamber and one second accommodation chamber that airtight accommodation space is separated, wherein, this first accommodation chamber system is with respect to this loam cake, and this second accommodation chamber is with respect to this lower cover, and this lampshade is connected with this lamp stand, and these dividing plate central authorities have an opening;

One pedestal is arranged on this opening of this dividing plate of this first accommodation chamber, this pedestal relatively this dividing plate this opening and be provided with a plurality of illuminators towards the one side system of this second accommodation chamber;

One heat abstractor is arranged on this pedestal of this first accommodation chamber and extends to this lampshade outside; And

One fixture is in order to be fixed in this heat abstractor on this pedestal.

2. street lamp according to claim 1 is characterized in that, described heat abstractor is a heat pipe.

3. street lamp according to claim 1 is characterized in that, described a plurality of illuminators are the LED lamp.

4. street lamp according to claim 2 is characterized in that, described heat pipe extends setting along this lamp stand, and has at least one fixture that this heat pipe is fixed on this lamp stand.

5. street lamp according to claim 2 is characterized in that, the described heat pipe of described lampshade outside is provided with the multi-disc radiating fin.

6. street lamp according to claim 5 is characterized in that, described heat pipe extends setting along described lamp stand, and has a fixture that this heat pipe is fixed on this lamp stand.

7. street lamp according to claim 4 is characterized in that, described heat pipe can be arranged at the outer peripheral edges or the inner peripheral of described lamp stand.

8. street lamp according to claim 6 is characterized in that, described heat pipe can be arranged at the outer peripheral edges or the inner peripheral of described lamp stand.

9. street lamp according to claim 4 is characterized in that, described heat pipe can be set to single or many heat pipes.

10. street lamp according to claim 6 is characterized in that, described heat pipe can be set to single or many heat pipes.