CN201526877U

CN201526877U - Lighting street lamp structure

Info

Publication number: CN201526877U
Application number: CN2009202196054U
Authority: CN
Inventors: 江金箱; 刘兴堂
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-16
Filing date: 2009-10-16
Publication date: 2010-07-14
Anticipated expiration: 2019-10-16

Abstract

The utility model relates to a lighting street lamp structure, comprising a lamp shell, a heat radiation unit, a light source unit and a reflection cage, wherein the lamp shell comprises a lamp shell comprises a lamp shell main body and a glass cage and a conduction base plate is arranged in the lamp shell and a distance space is formed between the conduction base plate and the top surface of the lamp shell main body and part of the perimeter of the conduction base plate is connected with the lamp shell main body and the heat radiation unit composed of electronic ceramic cooling plates is arranged below the conduction base plate and the heat radiation unit comprises at least one or more than one electronic ceramic cooling plate, which is provided with at least one or more than one light-emitting diode to furthermore form a light source unit and the light-emitting diode comprises a base plate composed of metal and the heat source generated by the light-emitting diode is conducted to the electronic ceramics cooling plate by the base plate and finally the heat source is conducted to the lamp shell main body to achieve heat exchange.

Description

The structure of illuminating street lamp

Technical field

The utility model relates to a kind of lighting device, particularly the structure of relevant a kind of illuminating street lamp.

Background technology

Exploited and be used in industry, generating, the vehicles etc. in a large number because of petroleum-based energy at present; except that the pollution that causes environment and atmospheric ozone layer are destroyed; the reserves of petroleum-based energy are day more minimizing; and use in a large number under the situation of petroleum-based energy; also cause severe environmental pollution; and making atmospheric ozone layer destroyed and climate temperature is risen, earth ecology will face a crisis.

Therefore, present many countries are except that dropping into a large amount of funds with tapping a new source of energy, how energy savings then is topmost problem, and the illumination that will use every day in our life, all comparatively power consumptions, for solving this problem, therefore the application of light emitting diode is quite extensive recently, light emitting diode all is lower than conventional bulb because of its power consumption and temperature, so at present it is used for replacing conventional bulb for first-selected, but for promoting the brightness of light emitting diode, then need adopt more luminous brilliant unit, the temperature of light emitting diode is improved, but industry is for the use of light emitting diode at present, major part is used for general small-sized and lower powered illumination, if but large-scale and high-power illumination, then can't effectively be taken out of because of its thermal source, how analgesic the not Yin Gaowen and allow the lamp source service life damage of light emitting diode that makes be problem anxious to be solved at present.

Summary of the invention

Main purpose of the present utility model provides a kind of structure of illuminating street lamp, by in described lamp housing body, be provided with a heat-conducting substrate, on the described heat-conducting substrate, group is provided with a radiating part with electronic ceramics coldplate formation, and described radiating part is to comprise a slice or the above electronic ceramics coldplate of a slice at least, on the electronic ceramics coldplate of radiating part, be provided with at least one or more than one light emitting diode to constitute light source portion, and the thermal source that light emitting diode produced conducts to described electronic ceramics coldplate by the substrate that its metal constituted, by described heat-conducting substrate thermal source is conducted to the lamp housing body more at last, and effectively promote the radiating effect of light emitting diode, reach energy saving and increase the purpose in illuminating street lamp life-span.

Of the present utility model time a purpose mainly is by be formed with a pitch space between the end face of described heat-conducting substrate and lamp housing body, this is external except that thermal source being conducted to lamp housing, when the lamp housing body exterior when shining upon the high temperature of generation, the high temperature of lamp housing body then will be formed with a pitch space between end face, so can directly not influence light source portion because of described heat-conducting substrate and lamp housing body.

A purpose more of the present utility model mainly is because radiating part the place ahead is provided with a reflector, is being formed with at least one on the described reflector or is being corresponding hollow-out parts more than one and with each light emitting diode, and reaching optically focused and promote brightness of illumination.

In order to achieve the above object, the utility model provides a kind of structure of illuminating street lamp, and it comprises:

Lamp housing, described lamp housing comprise the lamp housing body and are mounted on the cloche of described lamp housing body openings portion;

Radiating part is to constitute with the electronic ceramics coldplate, is located in the aforementioned lamp housing body;

One heat-conducting substrate is located in the aforementioned lamp housing body, is formed with a pitch space between the end face of described heat-conducting substrate and described lamp housing body, and most of periphery of described heat-conducting substrate is to be connected with described lamp housing body;

At least one or more than one light emitting diode, be located on the electronic ceramics coldplate of aforementioned radiating part, and then formation light source portion, and described light emitting diode is to comprise one by the substrate that metal constituted, and the thermal source that described light emitting diode produced then conducts to described electronic ceramics coldplate by its substrate; And

One reflector is located at aforementioned radiating part below, is being formed with at least one on the described reflector or is being corresponding hollow-out parts more than one and with each light emitting diode, and reaching optically focused and promote the purpose of brightness of illumination;

By above-mentioned design, when the thermal source of light emitting diode conducts to described electronic ceramics coldplate by its substrate, by described heat-conducting substrate thermal source is conducted to the lamp housing body again, and thermal source is taken out of, and make light emitting diode reach good radiating effect and reach energy saving and increase the effects such as life-span of illuminating street lamp.

Description of drawings

Fig. 1 is that the utility model is attempted the wherein three-dimensional exploded view of a preferred embodiment;

Fig. 2 is a stereogram of the present utility model;

Fig. 3 is the embodiment stereogram of the utility model when cloche is opened;

Fig. 4 is a combination dissected figure of the present utility model;

Fig. 5 is that the utility model directly is laid with the embodiment stereogram that the conduction lamellar body is electrically connected as each light emitting diode on the electronic ceramics coldplate;

Fig. 6 is that the utility model directly is packaged in a plurality of LED crystal particles the embodiment stereogram on the electronic ceramics coldplate.

Fig. 7 is that the utility model uses circular light emitting diode and cooperates another embodiment three-dimensional exploded view of the circular hollow-out parts reflector of tool.

Fig. 8 is that the utility model uses circular light emitting diode and cooperates the combination dissected figure of another embodiment of the circular hollow-out parts reflector of tool.

Fig. 9 is the embodiment three-dimensional exploded view of the another kind of different arrangement design of light emitting diode shown in Figure 7.

Description of reference numerals: 1-lamp housing; 11-lamp housing body; The 111-peristome; The 12-heat-conducting substrate; The 121-pitch space; The 13-cloche; The 2-radiating part; 21-electronic ceramics coldplate; 211-conducts electricity lamellar body; 22,24,26-light source portion; 221,23,261-light emitting diode; 222,262-substrate; The 241-LED crystal particle; The 25-conductive part; 3,4-reflector; 31,411-hollow-out parts; 41-taper depressed part.

The specific embodiment

Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the utility model is above-mentioned.

See also Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the structure of the utility model illuminating street lamp, it comprises lamp housing 1, radiating part 2, members such as light source portion 22 and reflector 3, wherein said lamp housing 1 comprises lamp housing body 11 and cloche 13, in described lamp housing body 11, be provided with a heat-conducting substrate 12, be formed with a pitch space 121 between the end face of described heat-conducting substrate 12 and lamp housing body 11, and most of periphery of described heat-conducting substrate 12 is to be connected with lamp housing body 11, below described heat-conducting substrate 12, group is provided with a radiating part 2 with electronic ceramics coldplate 21 formations, and described radiating part 2 comprises a slice or the above electronic ceramics coldplate 21 of a slice at least, on the electronic ceramics coldplate 21 of radiating part 2, be provided with at least one or more than one light emitting diode 221 to constitute light source portion 22, and described light emitting diode 221 comprises one by substrate 222 that metal constituted, the thermal source that light emitting diode 221 is produced then conducts to described electronic ceramics coldplate 21 by its substrate 222, by described heat-conducting substrate 12 thermal source is conducted to lamp housing body 11 more at last, and thermal source is taken out of, to reach the purpose of heat exchange, below radiating part 2, be provided with a reflector 3, on described reflector 3, be formed with at least one or be corresponding hollow-out parts 31 more than one and with each light emitting diode 221, and reach optically focused and promote brightness of illumination, between the end face of described heat-conducting substrate 12 and lamp housing body 11, be formed with a pitch space 121, except that thermal source being conducted to the lamp housing body 11 by heat-conducting substrate 12, when lamp housing body 11 outside when shining upon the high temperature of generation, formed pitch space 121 has intercepted the high temperature of lamp housing body 11 between then will the end face because of described heat-conducting substrate 12 and lamp housing body 11, so the high temperature of lamp housing body 11 can directly not influence light source portion 22, peristome 111 at lamp housing body 11, group is established a cloche 13, and with aforementioned radiating part 2, members such as light emitting diode 221 and reflector 3 are sealed in the lamp housing body 11, to reach protection against the tide, the dustproof purpose, and wherein the substrate 222 of light emitting diode 221 can thermal paste be combined with 21 of electronic ceramics coldplates, in addition, the utility model can directly be laid with conduction lamellar body 211 on electronic ceramics coldplate 21, and the light emitting diode 23 of another different size directly can be fitted on the electronic ceramics coldplate 21, and by the electrical connection (as shown in Figure 5) of the conduction lamellar body of being laid 211 as each light emitting diode 23, moreover, the utility model can directly plant a plurality of LED crystal particles 241 on electronic ceramics coldplate 21, and encapsulated and formed light source portion 24, and on electronic ceramics coldplate 21, directly be laid with conductive part 25, and form a kind of design (as shown in Figure 6) that directly light source portion 24 and electronic ceramics coldplate 21 is integrally combined.

And aforementioned described electronic ceramics coldplate 21, be to utilize the pyroelectric effect principle made by a plurality of nano grade inorganic semi-conducting material mixed sintering processing procedures, it has string, millions of N-P interfaces in parallel, and its cooling effect is to utilize the heater temperature difference to produce thermo-electromotive force, the N of cooling element inside and P amphitypy semiconductor, change the sense of current, also emit heat when making a semi-conductive side receive heat, can be the molecule of the thermal source that adds with itself, the particle generation infrared ray that runs foul of each other, and characteristic by infrared penetration, and by described heat-conducting substrate 12 thermal source is conducted to lamp housing body 11 again, and thermal source taken out of the torrid zone that is enclosed within illuminating street lamp inside is gone out, and make light emitting diode 221,23 reach good radiating effect and reach energy saving and the life-span of increase illuminating street lamp.

In addition, the utility model can be below radiating part 2, be provided with a reflector 4, on described reflector 4, be formed with at least one or be corresponding taper depressed part 41 more than one and with each light emitting diode 261, end face at each taper depressed part 41 all is formed with circular hollow-out parts 411, and the light emitting diode 261 and the substrate 262 that constitute light source portion 26 all are rounded, and then collocation reflector 4 to be reaching optically focused and to promote brightness of illumination (as shown in Figures 7 and 8), and formation is corresponding taper depressed part 41 with light emitting diode 261 and circular hollow-out parts 411 is to do various different arrangements (as shown in Figure 9) according to actual demand on wherein said light emitting diode 261 and the reflector 4.

In sum, the utility model can go out the torrid zone of illuminating street lamp inside, and makes light emitting diode reach good radiating effect and reach energy saving and increase the effects such as life-span of illuminating street lamp.

More than explanation is just illustrative for the utility model; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.

Claims

1. the structure of an illuminating street lamp is characterized in that, it comprises:

2. the structure of illuminating street lamp according to claim 1 is characterized in that most of periphery of described heat-conducting substrate is to be connected with the lamp housing body.

3. the structure of illuminating street lamp according to claim 1 is characterized in that, described radiating part comprises a slice or the above electronic ceramics coldplate of a slice at least.

4. the structure of illuminating street lamp according to claim 1 is characterized in that, is combined with thermal paste between the substrate of described light emitting diode and described electronic ceramics coldplate.

5. the structure of illuminating street lamp according to claim 1, it is characterized in that, on described electronic ceramics coldplate, directly be laid with the conduction lamellar body, and described light emitting diode is directly fitted on the described electronic ceramics coldplate, and by the electrical connection of the conduction lamellar body of being laid as each light emitting diode.

6. the structure of illuminating street lamp according to claim 1, it is characterized in that, on described electronic ceramics coldplate, directly plant a plurality of LED crystal particles, and encapsulated the formation light source portion, and on described electronic ceramics coldplate, directly be laid with conductive part, for connecting conductor wire.

7. the structure of illuminating street lamp according to claim 1, it is characterized in that, be provided with at least one on the described reflector or be corresponding taper depressed part more than one and with each light emitting diode, end face at each taper depressed part all is formed with circular hollow-out parts, and the light emitting diode and the substrate that constitute light source portion are all rounded, and then the collocation reflector is to reach optically focused and to promote brightness of illumination.

8. the structure of illuminating street lamp according to claim 1 is characterized in that, forms on described light emitting diode and the reflector with light emitting diode to be corresponding taper depressed part and circular hollow-out parts, is to do various different arrangements according to actual demand.