CN204756489U

CN204756489U - Heat radiator for be used for explosion -proof non -maintaining LED light

Info

Publication number: CN204756489U
Application number: CN201520273188.7U
Authority: CN
Inventors: 陈红旗; 陆海华; 宋加龙; 朱东东
Original assignee: Jiangsu Sinrm Explosionproof Electric Co Ltd
Current assignee: Jiangsu Sinrm Explosionproof Electric Co Ltd
Priority date: 2015-04-30
Filing date: 2015-04-30
Publication date: 2015-11-11
Anticipated expiration: 2025-04-30

Abstract

The utility model relates to an applied air specifically is a heat radiator for be used for explosion -proof non -maintaining LED light as coolant's heat exchange device field. A heat radiator for be used for explosion -proof non -maintaining LED light, includes lamp stand (1) and terminal box (2), characterized by: still include terminal (3) and heating panel (4), lamp stand (1) is polynuclear loop configuration, the bottom surface of terminal (3) is fixed at the top of the 1st ring of lamp stand (1), and the side of heating panel (4) is all fixed on the lateral surface of terminal (3), and the top at (1) n ring sum n -1 of lamp stand ring is all fixed on the base of heating panel (4), terminal box (2) are fixed at the top of heating panel (4), and the cross -section that heating panel (4) were cut by perpendicular to terminal (3) the central axis's plane is the arc. The utility model discloses heat exchange efficiency is high, simple structure, strong adaptability, long service life.

Description

For the heat abstractor of explosion-proof non-maintaining LED illumination lamp

Technical field

The utility model relates to the heat-exchange device field of application of air as cooling medium, is specially a kind of heat abstractor for explosion-proof non-maintaining LED illumination lamp.

Background technology

Explosion-proof lamp must be used in the illumination of explosive gas atmosphere, in order to reach explosion-proof object, the inside and outside necessary strict seal isolation of light fixture, the heat that the electric light source of such lamp interior produces while luminescence can only by the shell of light fixture to external radiation, and radiating condition is poor; Along with the development of lamp technology, LED is more prevalent in the application of lighting field, and LED has the advantages such as luminous efficiency is high, compact conformation, power consumption are low, but comparatively responsive to temperature when LED uses, if it is bad to dispel the heat, can have a strong impact on service life.Current anti-explosion LED lamp, heat abstractor utilizes the reinforcement on lamp outer casing to have held concurrently thermolysis more, and due to the restriction of structure, the size of reinforcement and quantity are all difficult to the requirement meeting heat radiation, this just makes light fixture easily gather amount of heat, and electric light source temperature rise is too high causes shorten service life.

Utility model content

In order to overcome the defect of prior art, providing that a kind of heat exchanger effectiveness is high, structure is simple, adaptable radiator, the utility model discloses a kind of heat abstractor for explosion-proof non-maintaining LED illumination lamp.

The utility model reaches goal of the invention by following technical solution:

A kind of heat abstractor for explosion-proof non-maintaining LED illumination lamp, comprise lamp socket and terminal box, terminal box is fixed on the top of lamp socket, LED is set in lamp socket, it is characterized in that: also comprise binding post and heat sink, and lamp socket is the loop configuration of many rings, the innermost ring of lamp socket is the 1st ring, outwards be followed successively by the 2nd ring, the 3rd ring ... n-th ring, except the n-th ring and the (n-1)th ring between all the other two adjacent rings all with connecting link of boards, LED is set in the 1st ring of lamp socket;

The bottom surface of binding post is fixed on the top of lamp socket the 1st ring, heat sink has 6 at least, the side of heat sink is all fixed on the lateral surface of binding post, and the base of heat sink is all fixed on the top of lamp socket n-th ring and the (n-1)th ring to be connected the n-th ring and (n-1)th ring of lamp socket successively; Terminal box is fixed on the top of heat sink, heat sink the cross section that intercepts by the plane perpendicular to binding post central axis be arc, the cross section that the plane that heat sink is parallel to binding post central axis intercepts is trapezoidal.

The described heat abstractor for explosion-proof non-maintaining LED illumination lamp, it is characterized in that: terminal box comprises box body, rebound and fin, the surrounding of box body box mouth is provided with upper ear plate, the surrounding of rebound is provided with lower ear plate, the upper and lower otic placode of upper ear plate is all provided with fixing hole, and the quantity of lower ear plate fixing hole is more than the quantity of upper ear plate fixing hole; The upper surface of rebound is provided with the seal groove of annular, and seal groove is embedded with sealing strip; Box body to be buckled on rebound and to prop up sealing strip, each fixing hole on upper ear plate aligns with the fixing hole of on lower ear plate and is connected with screw fastening respectively, and lower ear plate does not align and is connected with screw fastening with the locating dowel of on heat sink with the fixing hole of upper ear plate fixing hole alignment respectively; Fin is fixed on the lateral surface of box body.

The described heat abstractor for explosion-proof non-maintaining LED illumination lamp, is characterized in that: lamp socket has 3 rings at least, each ring of lamp socket is sheathed from the inside to the outside in the mode of center superposition; Antidazzle cap selected by the lampshade of LED; Heat sink has 20 at least, and heat sink is evenly distributed around binding post; The central angle of heat sink arc section is at 60 ° ~ 90 °

When the utility model uses, LED screwed in the 1st ring of lamp socket, wire, successively through after terminal box and binding post and LED electrical connection, to switch on power and after closing a switch, LED is lit and plays a role in lighting; The heat produced when LED is run outwards is discharged by lamp socket and heat sink, heat sink is curved increases area of dissipation, also be beneficial to minimizing stress when casting solidification shrinks to concentrate, the trapezoid cross section of heat sink both added structural strength, also can be used as the pattern draft of foundry goods simultaneously; Multi-disc heat sink is that radial is arranged, is also beneficial to and organizes air-flow to improve radiating efficiency while ensure that area of dissipation; By improving radiating efficiency thus extending service life of LED; The assembling of terminal box and fixingly all adopts screw fixed form outside, when avoiding trip bolt because passing through box body to the adverse effect that sealing property causes, the cooperation of employing seal groove and sealing strip can improve sealing property further.

The beneficial effects of the utility model are: heat exchanger effectiveness is high, and structure is simple, strong adaptability, long service life.

Accompanying drawing explanation

Fig. 1 is front view of the present utility model;

Fig. 2 is the top view of lamp socket in the utility model;

Fig. 3 is the upward view of lamp socket in the utility model;

Fig. 4 is the axonometric drawing of heat sink in the utility model;

Fig. 5 is the top view of heat sink in the utility model;

Fig. 6 is the front view of rebound in the utility model.

Detailed description of the invention

The utility model is further illustrated below by way of specific embodiment.

Embodiment 1

For a heat abstractor for explosion-proof non-maintaining LED illumination lamp, comprise lamp socket 1, terminal box 2, binding post 3 and heat sink 4, as shown in Fig. 1 ~ Fig. 5, concrete structure is:

Terminal box 2 is fixed on the top of lamp socket 1, and LED 11 is set in lamp socket 1;

Lamp socket 1 as shown in Figures 2 and 3, lamp socket 1 is the loop configuration of 3 rings, each ring of lamp socket 1 is sheathed from the inside to the outside in the mode of center superposition, the innermost ring of lamp socket 1 is the 1st ring, outwards be followed successively by the 2nd ring and the 3rd ring, connect with connecting gusset 12 between 1st ring and the 2nd ring, LED 11 is set in the 1st ring of lamp socket 1; Antidazzle cap selected by the lampshade of LED 11; The bottom surface of binding post 3 is fixed on the top of lamp socket 1 the 1st ring, heat sink 4 has 26, the side of heat sink 4 is all fixed on the lateral surface of binding post 3, heat sink 4 is evenly distributed around binding post 3, and the base of heat sink 4 is all fixed on the top of lamp socket 1 the 2nd ring and the 3rd ring to be connected the 2nd ring and the 3rd ring of lamp socket 1 successively; Terminal box 2 is fixed on the top of heat sink 4; Heat sink 4 as shown in Figure 4 and Figure 5, heat sink 4 cross section that intercepts by the plane perpendicular to binding post 3 central axis be arc, the central angle of heat sink 4 arc section is getting 90 °, and the cross section that the plane that heat sink 4 is parallel to binding post 3 central axis intercepts is trapezoidal; Terminal box 2 comprises box body 21, rebound 22 and fin 23, the surrounding of box body 21 box mouth is provided with upper ear plate 211, the surrounding of rebound 22 is provided with lower ear plate 221, the upper and lower otic placode 221 of upper ear plate 211 is all provided with fixing hole, and the quantity of lower ear plate 221 fixing hole is more than the quantity of upper ear plate 211 fixing hole; As shown in Figure 6, the upper surface of rebound 22 is provided with the seal groove 222 of annular to rebound 22, and seal groove 222 is embedded with sealing strip 223; Box body 21 to be buckled on rebound 22 and to prop up sealing strip 223, each fixing hole on upper ear plate 211 aligns with the fixing hole of on lower ear plate 221 and is connected with screw fastening respectively, and lower ear plate 221 does not align with the locating dowel of on heat sink 4 41 respectively with the fixing hole of upper ear plate 211 fixing hole alignment and is connected with screw fastening; Fin 23 is fixed on the lateral surface of box body 21.

When the present embodiment uses, as shown in Figure 1, LED 11 is screwed in the 1st ring of lamp socket 1, wire successively through after terminal box 2 and binding post 3 and LED 11 be electrically connected, to switch on power and after closing a switch, LED 11 is lit and plays a role in lighting; The heat produced when LED 11 is run outwards is discharged by lamp socket 1 and heat sink 4, heat sink 4 is curved increases area of dissipation, also be beneficial to minimizing stress when casting solidification shrinks to concentrate, the trapezoid cross section of heat sink 4 both added structural strength, also can be used as the pattern draft of foundry goods simultaneously; Multi-disc heat sink 4 is arranged in radial, is also beneficial to and organizes air-flow to improve radiating efficiency while ensure that area of dissipation; By improving radiating efficiency thus extending service life of LED 11; The assembling of terminal box 2 and fixingly all adopts screw fixed form outside, avoid the adverse effect caused sealing property because passing through box body 21 during trip bolt, the cooperation of employing seal groove 222 and sealing strip 223 can improve sealing property further.

Claims

1. the heat abstractor for explosion-proof non-maintaining LED illumination lamp, comprise lamp socket (1) and terminal box (2), terminal box (2) is fixed on the top of lamp socket (1), LED (11) is set in lamp socket (1), it is characterized in that: also comprise binding post (3) and heat sink (4), the loop configuration that lamp socket (1) is many rings, the innermost ring of lamp socket (1) is the 1st ring, outwards be followed successively by the 2nd ring, 3rd ring, n-th ring, all connect with connecting gusset (12) between all the other two adjacent rings except the n-th ring and the (n-1)th ring, LED (11) is set in the 1st ring of lamp socket (1),

The bottom surface of binding post (3) is fixed on the top of lamp socket (1) the 1st ring, heat sink (4) has 6 at least, the side of heat sink (4) is all fixed on the lateral surface of binding post (3), and the base of heat sink (4) is all fixed on the top of lamp socket (1) n-th ring and the (n-1)th ring to be connected the n-th ring and (n-1)th ring of lamp socket (1) successively; Terminal box (2) is fixed on the top of heat sink (4), heat sink (4) the cross section that intercepts by the plane perpendicular to binding post (3) central axis be arc, the cross section that the plane that heat sink (4) is parallel to binding post (3) central axis intercepts is trapezoidal.

2. as claimed in claim 1 for the heat abstractor of explosion-proof non-maintaining LED illumination lamp, it is characterized in that: terminal box (2) comprises box body (21), rebound (22) and fin (23), the surrounding of box body (21) box mouth is provided with upper ear plate (211), the surrounding of rebound (22) is provided with lower ear plate (221), upper ear plate (211) upper and lower otic placode (221) is all provided with fixing hole, and the quantity of lower ear plate (221) fixing hole is more than the quantity of upper ear plate (211) fixing hole; The upper surface of rebound (22) is provided with the seal groove (222) of annular, and seal groove (222) is embedded with sealing strip (223); Box body (21) is buckled in rebound (22) and goes up and prop up sealing strip (223), each fixing hole on upper ear plate (211) aligns with a fixing hole on lower ear plate (221) and is connected with screw fastening respectively, and lower ear plate (221) does not align and is connected with screw fastening with a locating dowel (41) on heat sink (4) with the fixing hole of upper ear plate (211) fixing hole alignment respectively; Fin (23) is fixed on the lateral surface of box body (21).

3., as claimed in claim 1 or 2 for the heat abstractor of explosion-proof non-maintaining LED illumination lamp, it is characterized in that: lamp socket (1) has 3 rings at least, each ring of lamp socket (1) is sheathed from the inside to the outside in the mode of center superposition; Antidazzle cap selected by the lampshade of LED (11); Heat sink (4) has 20 at least, and heat sink (4) is evenly distributed around binding post (3); The central angle of heat sink (4) arc section is at 60 ° ~ 90 °.