CN203585968U

CN203585968U - LED (light emitting diode) streetlamp convenient for radiating heat

Info

Publication number: CN203585968U
Application number: CN201320769549.8U
Authority: CN
Inventors: 林军木; 谭国益; 周仁礼
Original assignee: SICHUAN GRAND TECHNOLOGY Co Ltd
Current assignee: SICHUAN GRAND TECHNOLOGY Co Ltd
Priority date: 2013-11-30
Filing date: 2013-11-30
Publication date: 2014-05-07
Anticipated expiration: 2023-11-30

Abstract

The utility model discloses an LED (light emitting diode) streetlamp convenient for radiating the heat. The LED streetlamp comprises a lamp holder (4) and an LED luminescent body (2) which is fixedly connected onto the lamp holder (4), wherein the LED luminescent body (2) comprises an LED lamp copper substrate and an LED lamp which is fixed on one side of the LED lamp copper substrate, and the LED streetlamp also comprises a groove-shaped rear lamp cover (1) and a plurality of heat radiating pipes (3) which are fixedly connected onto the rear lamp cover (1), two ends of each heat radiating pipe (3) are fixedly connected onto the rear lamp cover (1), the rear lamp cover (1) and the other side of the LED lamp copper substrate form a closed cavity, and the axis direction of each heat radiating pipe (3) is arranglocated in the width direction of the LED streetlamp. The LED streetlamp is simple in structure and large in heat radiating area; moreover, a circuit part of the LED streetlamp circuit part is isolated from the exterior, so that the LED streetlamp circuit part can be favorably prevented from being influenced by the external interference.

Description

A kind of LED street lamp of being convenient to heat radiation

Technical field

The utility model relates to field of illuminating device, particularly relates to a kind of LED street lamp of being convenient to heat radiation.

Background technology

LED light source is through the technique improvement of decades, high with its luminous efficiency, power consumption is few, long service life, security reliability is strong and be conducive to the advantages such as environmental protection, becomes modern lamplit main product.Existing LED light fixture is also applying to street lamp field gradually, because single led illuminator is generally spot light and lighting angle is little, for obtaining large-scale irradiation area, the illuminator of existing LED street lamp mostly is LED luminous body group, makes that LED street lamp overall volume is large and the overall caloric value of LED street lamp is large.

Existing LED street lamp comprises framework and is fixed on LED illuminator, radiating tube, illuminator drive circuit and the street lamp mount pad on framework, in prior art, radiating tube is generally encapsulated in framework inside, this just makes radiating tube surface cross-ventilation not strong, is unfavorable for the radiating effect of radiating tube.

Utility model content

For radiating tube in above-mentioned existing LED street lamp, be generally encapsulated in framework inside, this just makes radiating tube surface cross-ventilation not strong, is unfavorable for the problem of the radiating effect of radiating tube, and the utility model provides a kind of LED street lamp of being convenient to heat radiation.

For addressing the above problem, a kind of LED street lamp of being convenient to heat radiation that the utility model provides solves problem by following technical essential: a kind of LED street lamp of being convenient to heat radiation, comprise lamp socket and be fixedly connected on the LED illuminator on lamp socket, described LED illuminator comprises LED lamp copper base and is fixed on the LED lamp in LED lamp copper base one side, also comprise rear light cover in the form of slot and be fixedly connected on multiple radiating tubes that back light covers, the two ends of described radiating tube are all fixedly connected on back light and cover, and the opposite side of rear light cover and LED lamp copper base forms a closed chamber, the axis direction of radiating tube is all positioned at the width of LED street lamp.

Concrete, the multiple radiating tubes that arrange are the main thermal component of LED street lamp, the opposite side of rear light cover and LED lamp copper base forms a closed chamber, closed chamber and extraneous natural environment are isolated, are conducive to prevent that extraneous steam, impurity or Korrosionsmedium from impacting the circuit in LED street lamp; The utility model is when using, first the heat that LED lamp distributes is passed to LED lamp copper base, by LED lamp copper base, by thermal convection current, heat radiation and heat conducting form, be passed to again the outer wall of radiating tube, finally by radiating tube inwall and air generation heat exchange, in this process, the contact area of radiating tube and air is large, with respect to existing finned heat transfer, be conducive to augmentation of heat transfer effect; The radiating tube arranging along LED street lamp width, is convenient to air stream through radiating tube, is conducive to the heat radiation of radiating tube; Simultaneously, in the use procedure of LED street lamp, rear light cover can stop rainwater or be adsorbed in a large number on radiating tube at fog, and make radiating tube under the effect of moisture, adhere to airborne dust, prevent from forming one deck dirtiness resistance at radiating tube outer surface, with the heat dispersion that guarantees that radiating tube any time is good.

Further technical scheme is:

For making each LED lamp can Homogeneouslly-radiating, described radiating tube in a row evenly arranges along the length direction of LED street lamp.

For make radiating tube there is good thermal conductivity, meet LED street lamp working environment requirement of strength, be convenient to the large heat transfer area of trying one's best in processing and unit volume, as preferably, described radiating tube is copper pipe, and the thickness range of radiating tube is within the scope of 0.8mm-1.5mm, and the caliber of radiating tube is in Φ 6-Φ 12 scopes.

For further strengthening heat by LED lamp copper base to the thermal conduction rate radiating tube outer wall, in the closed chamber of the opposite side formation of described rear light cover and LED lamp copper base, be provided with the heat conductive silica gel that fills up closed chamber.

For ease of obtaining the closed chamber between rear light cover and LED lamp copper base, as preferably, annexation between described radiating tube and rear light cover is intensity expanded joint, the back light of first LED street lamp width at back light cover rim covers and drills heat radiation pore, after being placed in heat radiation pore, radiating tube adopt tube expander just can realize being easily fixedly connected with of rear light cover and radiating tube, and by controlling the size of intensity expanded joint power, can conveniently realize the sealing of closed chamber with respect to natural environment.

Described radiating tube is fixedly connected on one end of lamp socket, and the other end of described lamp socket is provided with driving power box.

During this arranges, the driving power box of setting is used for arranging driving power, and the other end that driving power is arranged on to lamp socket is conducive to prevent that driving power is subject to the impact of the heat of LED lamp generation, is conducive to the service life of driving power.

The utlity model has following beneficial effect:

1, the utility model is simple in structure, the multiple radiating tubes that arrange are the main thermal component of LED street lamp, the opposite side of rear light cover and LED lamp copper base forms a closed chamber, closed chamber and extraneous natural environment are isolated, are conducive to prevent that extraneous steam, impurity or Korrosionsmedium from impacting the circuit in LED street lamp.

2, the utility model is when using, first the heat that LED lamp distributes is passed to LED lamp copper base, by LED lamp copper base, by thermal convection current, heat radiation and heat conducting form, be passed to again the outer wall of radiating tube, finally by radiating tube inwall and air generation heat exchange, in this process, the contact area of radiating tube and air is large, with respect to existing finned heat transfer, be conducive to augmentation of heat transfer effect.

3, the radiating tube arranging along LED street lamp width, be convenient to air stream through radiating tube, be conducive to the heat radiation of radiating tube, simultaneously, in the use procedure of LED street lamp, rear light cover can stop rainwater or be adsorbed on radiating tube in a large number at fog, and make radiating tube under the effect of moisture, adhere to airborne dust, prevent from forming one deck dirtiness resistance at radiating tube outer surface, with the heat dispersion that guarantees that radiating tube any time is good.

Accompanying drawing explanation

Fig. 1 is the structural representation of an a kind of specific embodiment of LED street lamp of being convenient to heat radiation described in the utility model.

Figure acceptance of the bid note is respectively: 1, rear light cover, 2, LED illuminator, 3, radiating tube, 4, lamp socket, 5, driving power box.

The specific embodiment

Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples:

Embodiment 1:

As shown in Figure 1, a kind of LED street lamp of being convenient to heat radiation, comprise lamp socket 4 and be fixedly connected on the LED illuminator 2 on lamp socket 4, described LED illuminator 2 comprises LED lamp copper base and is fixed on the LED lamp in LED lamp copper base one side, it is characterized in that, also comprise rear light cover in the form of slot 1 and be fixedly connected on the multiple radiating tubes 3 on rear light cover 1, the two ends of described radiating tube 3 are all fixedly connected on rear light cover 1, and rear light cover 1 forms a closed chamber with the opposite side of LED lamp copper base, and the axis direction of radiating tube 3 is all positioned at the width of LED street lamp.

Concrete, the multiple radiating tubes 3 that arrange are the main thermal component of LED street lamp, rear light cover 1 forms a closed chamber with the opposite side of LED lamp copper base, closed chamber and extraneous natural environment are isolated, are conducive to prevent that extraneous steam, impurity or Korrosionsmedium from impacting the circuit in LED street lamp; The utility model is when using, first the heat that LED lamp distributes is passed to LED lamp copper base, by LED lamp copper base, by thermal convection current, heat radiation and heat conducting form, be passed to again the outer wall of radiating tube 3, finally by radiating tube 3 inwalls and air generation heat exchange, in this process, radiating tube 3 is large with the contact area of air, with respect to existing finned heat transfer, be conducive to augmentation of heat transfer effect; The radiating tube 3 arranging along LED street lamp width, is convenient to air stream through radiating tube 3, is conducive to the heat radiation of radiating tube 3; Simultaneously, in the use procedure of LED street lamp, rear light cover 1 can stop rainwater or be adsorbed in a large number on radiating tube 3 at fog, and make radiating tube 3 under the effect of moisture, adhere to airborne dust, prevent from forming one deck dirtiness resistance at radiating tube 3 outer surfaces, to guarantee radiating tube good heat dispersion of 3 any times.

Embodiment 2:

The present embodiment is further qualified on the basis of embodiment 1, and as shown in Figure 1, for making each LED lamp can Homogeneouslly-radiating, described radiating tube 3 in a row evenly arranges along the length direction of LED street lamp.

For make radiating tube 3 there is good thermal conductivity, meet LED street lamp working environment requirement of strength, be convenient to the large heat transfer area of trying one's best in processing and unit volume, as preferably, described radiating tube 3 is copper pipe, and the thickness range of radiating tube 3 is within the scope of 0.8mm-1.5mm, and the caliber of radiating tube 3 is in Φ 6-Φ 12 scopes.

For further strengthening heat by LED lamp copper base to the thermal conduction rate radiating tube 3 outer walls, in the closed chamber of described rear light cover 1 and the opposite side formation of LED lamp copper base, be provided with the heat conductive silica gel that fills up closed chamber.

For ease of obtaining the closed chamber between rear light cover 1 and LED lamp copper base, as preferably, annexation between described radiating tube 3 and rear light cover 1 is intensity expanded joint, first at rear light cover 1, on the rear light cover 1 of LED street lamp width, drill heat radiation pore, after being placed in heat radiation pore, radiating tube 3 adopt tube expander just can realize being easily fixedly connected with of rear light cover 1 and radiating tube 3, and by controlling the size of intensity expanded joint power, can conveniently realize the sealing of closed chamber with respect to natural environment.

Embodiment 3:

The present embodiment is further qualified on the basis of embodiment 1, and as shown in Figure 1, described radiating tube 3 is fixedly connected on one end of lamp socket 4, and the other end of described lamp socket 4 is provided with driving power box 5.

During this arranges, the driving power box 5 of setting is for driving power is set, and the other end that driving power is arranged on to lamp socket 4 is conducive to prevent that driving power is subject to the impact of the heat of LED lamp generation, is conducive to the service life of driving power.

Claims

1. be convenient to the LED street lamp of heat radiation for one kind, comprise lamp socket (4) and be fixedly connected on the LED illuminator (2) on lamp socket (4), described LED illuminator (2) comprises LED lamp copper base and is fixed on the LED lamp in LED lamp copper base one side, it is characterized in that, also comprise rear light cover (1) in the form of slot and be fixedly connected on the multiple radiating tubes (3) on rear light cover (1), the two ends of described radiating tube (3) are all fixedly connected on rear light cover (1), and rear light cover (1) forms a closed chamber with the opposite side of LED lamp copper base, the axis direction of radiating tube (3) is all positioned at the width of LED street lamp.

2. a kind of LED street lamp of being convenient to heat radiation according to claim 1, is characterized in that, described radiating tube (3) in a row evenly arranges along the length direction of LED street lamp.

3. a kind of LED street lamp of being convenient to heat radiation according to claim 1, is characterized in that, described radiating tube (3) is copper pipe, and the thickness range of radiating tube (3) is within the scope of 0.8mm-1.5mm, and the caliber of radiating tube (3) is in Φ 6-Φ 12 scopes.

4. a kind of LED street lamp of being convenient to heat radiation according to claim 1, is characterized in that, in the closed chamber that the opposite side of described rear light cover (1) and LED lamp copper base forms, is provided with the heat conductive silica gel that fills up closed chamber.

5. a kind of LED street lamp of being convenient to heat radiation according to claim 1, is characterized in that, the annexation between described radiating tube (3) and rear light cover (1) is intensity expanded joint.

6. according to a kind of LED street lamp of being convenient to heat radiation described in any one in claim 1 to 5, it is characterized in that, described radiating tube (3) is fixedly connected on one end of lamp socket (4), and the other end of described lamp socket (4) is provided with driving power box (5).