CN201310777Y

CN201310777Y - Led anti-explosion lamp

Info

Publication number: CN201310777Y
Application number: CNU2008202144731U
Authority: CN
Inventors: 陈翔; 冯欣
Original assignee: NANJING ANKE SECURITY TECHNOLOGY EQUIPMENT Co Ltd
Current assignee: NANJING ANKE SECURITY TECHNOLOGY EQUIPMENT Co Ltd
Priority date: 2008-12-12
Filing date: 2008-12-12
Publication date: 2009-09-16
Anticipated expiration: 2018-12-12

Abstract

Disclosed is an LED anti-explosion lamp, which comprises a casing and LED light sources, wherein all the LED light sources are in series connection, each LED light source is formed by a zener in parallel connection with an LED, radiating blocks and radiating flakes arranged on the casing are integrated with the casing, and the anti-explosion lamp is enclosed as a whole. Further, all the LED light sources are in series connection, thereby when one LED is broken and the others are not disturbed and can work normally. Besides, simple circuit is capable of decreasing size of the anti-theft lamp, thereby work and safety performance are greatly improved. With integrated and enclosed design, connection of each member of the anti-explosion LED lamp is enclosed with high level, and level of protection reaches IP 67. Moreover, with a plurality of radiating elements, the anti-explosion LED lamp can work steadily and normally under the temperature less than 55 DEG C. The utility model is a novel anti-explosion lamp device using light-emitting diodes LED as light sources, which has the advantages of extraordinary long service life, high efficiency and energy conservation, fine light property, safety and reliability, environmental protection and flexible installation methods, thereby being adaptable to installation demands of various occasions.

Description

The LED explosion-proof lamp

Technical field

The utility model is a kind of explosion-proof light device, is a kind of LED explosion-proof lamp.

Background technology

At present, have in industries such as oil, chemical industry, coal and medicine that employed explosion-proof lamp exists some open defects in damp and the dust atmosphere: volume is big, Heavy Weight, power consumption is big, life-span is short, can not select rising angle and irradiation distance, and waterproof ability a little less than.

Summary of the invention

Problem to be solved in the utility model is: existing explosion-proof lamp can not satisfy the instructions for use of relevant industries, needs a kind of volume little, and the life-span is long, and is low in energy consumption, and waterproof is good, easily the explosion-proof lamp of installing.

The technical solution of the utility model is: the LED explosion-proof lamp, comprise housing and led light source, housing hollow, the housing two ends are provided with cover plate, one end casing is provided with cable and imports and exports, led light source is fixed by the LED installed surface of aluminium base and housing, it is characterized in that all led light sources constant-current supply that is connected in series, and each led light source is LED Zener in parallel; The light source direction of LED is provided with transparent panel, and described transparent panel is connected with housing seal; Aluminium base and LED installed surface fit tightly, and the opposite side that the LED installed surface is relative with led light source is provided with radiating block, and described radiating block and housing are integrated.

For strengthening radiating effect, the utility model hull outside is provided with fin, and fin and housing are integrated.

Be provided with sealing gasket between the cover plate at the utility model housing two ends and the housing, reaching the purpose of waterproof, the cover plate inboard by the LED light irradiation to part be provided with reflective membrane, to improve the light source utilization rate.Further, the cable of cover plate is imported and exported to the housing sunken inside and is become one cylindric, imports and exports with cable cylindraceous and is equipped with fixedly socket of cable mutually, and fixedly stretch in the housing by socket, cable import and export by cable for cable; Cable fixedly socket is imported and exported by being threaded with cable, cable is imported and exported and cable fixedly is provided with plain cushion and rubber parts between the socket, plain cushion and rubber parts have the circular hole that matches with cable, like this cable fixedly the cylindric depression imported and exported of socket and cable by screw thread closely fixing after, plain cushion and rubber parts are extruded, import and export of cable and cable and cable are fixedly sealed between the socket, reach the purpose of waterproof; In addition, cable fixedly also is provided with a breach on the socket, be equipped with fastening compressing tablet mutually with breach, fastening compressing tablet is fixed on the breach to dwindle fixedly sectional area in the pipe of socket of cable, reach the position of attached cable, prevent that cable is subjected to the external force twisting and the fixedly purpose of socket of cable occurs getting loose, reversing out.

The utility model is easy for installation, good to various installation environment adaptability: the housing of LED explosion-proof lamp is provided with the installation draw-in groove, mounting screw one end of LED explosion-proof lamp is stuck in to be installed in the draw-in groove, and is slidingly connected with draw-in groove is installed, and slidably adjusts the position of mounting screw during installation; The cover plate at housing two ends also can be connected and installed support, and mounting bracket and cover plate are rotatable syndeton, and after mounting bracket was fixing, the LED explosion-proof lamp can rotate on mounting bracket, regulates irradiating angle; Also can establish optical lens on the led light source,, change the rising angle of light source, can adjust the irradiation distance and the scope of light fixture by led light source is installed additional optical lens.

The utility model constant-current supply overall perfusion type glue envelope; provide AC90-264V to exchange wide voltage or DC12V/24V DC voltage; be provided with short circuit, overvoltage and overheating protection circuit; output current is constant; current stabilization precision ± 2.5%, the led light source circuit is worked under low current condition, and input and output are isolated fully; when normal operation, can not produce electric arc, spark and dangerous high temperature, guarantee the explosion-proof and security performance of light fixture.

The utility model is to be the new type explosion proof light fixture of light source development with the LED, compare with conventional light source, has extra long life, energy-efficient, optical property is good, safe and reliable, advantage that environmental protection etc. are incomparable and characteristics are applicable to that industries such as oil, chemical industry, coal and medicine have particular surroundings such as damp and dust; Led light source of the present utility model is all connected, realize the operate as normal that a led light source damages does not influence other led light source simultaneously, compare the mode of whole parallel connections, circuit is simple, the explosion-proof lamp volume be can reduce, and the service behaviour and the security performance of product improved greatly; The whole design of adopting integrated sealing of LED explosion-proof lamp, housing is selected high-quality stretching aluminium for use, and cover plate is the high-quality die casting aluminium, and transparent panel is a Merlon, and senior sealing is used in the connection between each parts, makes degree of protection reach IP67; The housing of LED explosion-proof lamp is provided with the many places thermal component, and the heat that led light source is produced comes out in housing, and assurance LED explosion-proof lamp is normally stably worked in the environment below 55 ℃; Mounting means of the present utility model is flexible, can adapt to the installation requirement of various occasions.

Description of drawings

Fig. 1 is the utility model structural profile schematic diagram.

Fig. 2 is the circuit theory schematic diagram of the utility model LED explosion-proof lamp.

Fig. 3 is the schematic cross-section of the utility model housing.

Fig. 4 is the fixing schematic cross-section of socket of the utility model cable.

Fig. 5 is a utility model cover plate and a frame connecting structure schematic diagram.

The specific embodiment

As Fig. 1 and Fig. 2, the utility model LED explosion-proof lamp comprises housing 1 and led light source 2, housing 1 hollow, housing 1 two ends are provided with cover plate 3, one end casing 3 is provided with cable and imports and exports 4, led light source 2 is fixing with the LED installed surface 101 of housing 1 by aluminium base 5, all led light sources 2 constant-current supply 6 that is connected in series, each led light source 2 are LED Zener in parallel, when LED the two poles of the earth add work voltage, the LED conducting, Zener is in high impedance status, and the explosion-proof lamp operate as normal is during the LED lamp failure, because constant-current supply effect, the voltage that is added in the LED two ends raises, and reaches the critical voltage of Zener, its impedance sudden change, make the Zener conducting, thereby the LED short circuit with fault excludes from the whole LED circuit, guarantees the external system operate as normal, a LED damages the operate as normal that does not influence other LED, has improved the service behaviour of product greatly, security performance and reliability.The led light source direction is provided with transparent panel 7, and transparent panel 7 is tightly connected with housing 1; Aluminium base 5 fits tightly with LED installed surface 101, and LED installed surface 101 and led light source 2 relative opposite sides are provided with radiating block 102, and radiating block 102 and housing 1 are integrated.For strengthening radiating effect, the utility model housing 1 outside is provided with fin 103, and fin 103 also is integrated with housing 1, as Fig. 3.

Be provided with sealing gasket 301 between the cover plate 3 at the utility model housing 1 two ends and the housing 1, to reach the purpose of waterproof, the part that cover plate 3 inboards are shone by led light source 2 is provided with reflective membrane 302, to improve the light source utilization rate.Further, the cable of cover plate 3 is imported and exported 4 and is become one cylindric to housing 1 sunken inside, imports and exports 4 with cable cylindraceous and is equipped with fixedly socket 8 of cable mutually, and fixedly stretch in the housing by socket 8, cable import and export 4 by cable for cable; Cable fixedly socket 8 imports and exports 4 by being threaded with cable, be provided with plain cushion 9 and rubber parts 10 between the two, plain cushion 9 and rubber parts 10 have the circular hole that matches with cable, cable fixedly socket 8 and cable import and export 4 cylindric depression by screw thread closely fixing after, plain cushion 9 and rubber parts 10 are extruded, make the fixedly sealing between the socket 8 of import and export 4 of cable and cable and cable, reach the purpose of waterproof; Cable fixedly also be provided with on the socket 8 one with the axial vertical breach 801 of socket, be equipped with fastening compressing tablet 802 mutually with breach 801, fastening compressing tablet 802 is fixed on the breach 801 to dwindle fixedly sectional area in the pipe of socket 8 of cable by screw 803, reach the position of attached cable, prevent that cable is subjected to external force twisting and the fixedly purpose of socket of cable occurs getting loose, reversing out, Fig. 4 is the fixing schematic cross-section of socket 8 of cable, fastening as can be seen compressing tablet 802 be provided with can attached cable the position.

The utility model is easy for installation, good to various installation environment adaptability: the housing 1 of LED explosion-proof lamp is provided with installs draw-in groove 104, as shown in figures 1 and 3, mounting screw 105 1 ends of LED explosion-proof lamp are stuck in to be installed in the draw-in groove 104, and be slidingly connected with draw-in groove 104 is installed, slidably adjust the position of mounting screw during installation; The cover plate 3 at housing 1 two ends also is connected and installed support 11, as Fig. 5, mounting bracket 11 is rotatable syndeton with cover plate 3, by nut 13 and lock washer 12 by cable fixedly socket 8 be connected with cover plate 3, after mounting bracket 11 is fixed, explosion-proof lamp can rotate on mounting bracket 11, regulates irradiating angle.Also can establish optical lens on the led light source,, change the rising angle of light source, can adjust the irradiation distance and the scope of light fixture by led light source is installed additional optical lens.

The utility model manufacturing and check equal accord with Q/NAK001-2008 " AK-LB (F/T) D-explosion-proof lamp technical conditions ".

Claims

1, LED explosion-proof lamp, comprise housing (1) and led light source (2), housing (1) hollow, housing (1) two ends are provided with cover plate (3), one end casing (3) is provided with cable and imports and exports (4), led light source (2) is fixing by the LED installed surface (101) of aluminium base (5) and housing (1), it is characterized in that all led light sources (2) constant-current supply (6) that is connected in series, and each led light source (2) is LED Zener in parallel; The light source direction of LED is provided with transparent panel (7), and described transparent panel (7) is tightly connected with housing (1); Aluminium base (5) fits tightly with LED installed surface (101), and the opposite side that LED installed surface (101) is relative with led light source (2) is provided with radiating block (102), and described radiating block (102) is integrated with housing (1).

2, LED explosion-proof lamp according to claim 1 is characterized in that housing (1) outside is provided with fin (103), and described fin (103) is integrated with housing (1).

3, LED explosion-proof lamp according to claim 1 and 2 is characterized in that cover plate (3) and housing (1) junction are provided with sealing gasket (301), and the inboard part that is shone by led light source (2) of cover plate (3) is provided with reflective membrane (302).

4, LED explosion-proof lamp according to claim 1 and 2, the cable that it is characterized in that cover plate (3) is imported and exported (4) and is become one cylindric to housing (1) sunken inside, import and export (4) with cable cylindraceous and be equipped with fixedly socket (8) of cable mutually, fixedly import and export (4) and stretch in the housing by socket (8), cable by cable for cable; Cable fixedly socket (8) is imported and exported (4) by being threaded with cable, is provided with plain cushion (9) and rubber parts (10) between the two, and plain cushion (9) and rubber parts (10) have the circular hole that matches with cable; Cable fixedly also be provided with on the socket (8) one with the axial vertical breach (801) of socket, be equipped with fastening compressing tablet (802) mutually with breach (801), fastening compressing tablet (802) is fixed on breach (801) and goes up to dwindle the fixedly interior sectional area of pipe of socket (8) of cable.

5, LED explosion-proof lamp according to claim 3, the cable that it is characterized in that cover plate (3) is imported and exported (4) and is become one cylindric to housing (1) sunken inside, import and export (4) with cable cylindraceous and be equipped with fixedly socket (8) of cable mutually, fixedly import and export (4) and stretch in the housing by socket (8), cable by cable for cable; Cable fixedly socket (8) is imported and exported (4) by being threaded with cable, is provided with plain cushion (9) and rubber parts (10) between the two, and plain cushion (9) and rubber parts (10) have the circular hole that matches with cable; Cable fixedly also be provided with on the socket (8) one with the axial vertical breach (801) of socket, be equipped with fastening compressing tablet (802) mutually with breach (801), fastening compressing tablet (802) is fixed on breach (801) and goes up to dwindle the fixedly interior sectional area of pipe of socket (8) of cable.

6, LED explosion-proof lamp according to claim 1 and 2 is characterized in that housing (1) is provided with installation draw-in groove (104), and mounting screw (105) one ends of LED explosion-proof lamp are stuck in to be installed in the draw-in groove (104), and is slidingly connected with installation draw-in groove (104); The cover plate (3) at housing (1) two ends also is connected and installed support (11), and support (11) is rotatable syndeton with cover plate (3); Led light source (2) is provided with optical lens.

7, LED explosion-proof lamp according to claim 3 is characterized in that housing (1) is provided with installation draw-in groove (104), and mounting screw (105) one ends of LED explosion-proof lamp are stuck in to be installed in the draw-in groove (104), and is slidingly connected with installation draw-in groove (104); The cover plate (3) at housing (1) two ends also is connected and installed support (11), and support (11) is rotatable syndeton with cover plate (3); Led light source (2) is provided with optical lens.

8, LED explosion-proof lamp according to claim 4 is characterized in that housing (1) is provided with installation draw-in groove (104), and mounting screw (105) one ends of LED explosion-proof lamp are stuck in to be installed in the draw-in groove (104), and is slidingly connected with installation draw-in groove (104); The cover plate (3) at housing (1) two ends also is connected and installed support (11), and mounting bracket (11) is rotatable syndeton with cover plate (3); Led light source (2) is provided with optical lens.

9, LED explosion-proof lamp according to claim 5 is characterized in that housing (1) is provided with installation draw-in groove (104), and mounting screw (105) one ends of LED explosion-proof lamp are stuck in to be installed in the draw-in groove (104), and is slidingly connected with installation draw-in groove (104); The cover plate (3) at housing (1) two ends also is connected and installed support (11), and mounting bracket (11) is rotatable syndeton with cover plate (3); Led light source (2) is provided with optical lens.

10, LED explosion-proof lamp according to claim 1 and 2 is characterized in that constant-current supply (6) overall perfusion type glue envelope, provides AC90-264V to exchange wide voltage or DC12V/24V DC voltage, is provided with short circuit, overvoltage and overheating protection circuit.