CN103032853A

CN103032853A - Explosion-proof LED (light emitting diode) lighting module and combination thereof

Info

Publication number: CN103032853A
Application number: CN201110302801XA
Authority: CN
Inventors: 周明杰; 孔祥钦; 何奇猛
Original assignee: Oceans King Lighting Science and Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Current assignee: Oceans King Lighting Science and Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date: 2011-09-28
Filing date: 2011-10-09
Publication date: 2013-04-10
Anticipated expiration: 2031-10-09
Also published as: CN103032853B

Abstract

The invention provides an explosion-proof LED (light emitting diode) lighting module and combination thereof. The explosion-proof LED lighting module combination comprises at least two explosion-proof LED lighting modules which are mutually connected; each module comprises a casing, a cover and an LED metal substrate, wherein the casing and the cover are mutually matched with each other, and the LED metal substrate is arranged in a sealing hollow cavity enclosed by the casing and the cover; a plurality of LED lamps are arranged on the LED metal substrates; a plurality of wire penetrating holes are formed in two opposite side walls of each casing; butted components are arranged on the casings; two pairs of explosion-proof inserts are arranged on each casing; and each pair of explosion-proof inserts comprises an explosion-proof insert male connector and an explosion-proof insert female connector for inserting the explosion-proof insert male connector, and each explosion-proof insert male connector or each explosion-proof insert female connector is correspondingly arranged in one wire penetrating hole. Through the means of butting the male and female explosion-proof insert connectors to mount the wires, the explosion-proof performance between modules is improved; and the reliability of the product is improved.

Description

Anti-explosion LED lighting module and combination thereof

Technical field

The present invention relates to a kind of lighting device that is suitable for explosion-proof workplace, relate in particular to a kind of Combined anti-explosion LED lighting module.

Background technology

Explosion-proof class lighting gradually adopts LED as light source, and it has inborn advantage.At first, light source adopts led chip, long working life (50,000 to 100,000 hours), and luminous efficiency is high, and is photochromic naturally pure.Military project level constant current mode driving power, constant output current (current stabilization precision ± 2.5%) is guaranteed the led light source extra long life; Secondly, power acquisition pouring type constant-current supply, isolated design is adopted in the input and output of power supply, can not produce electric arc, spark and dangerous high temperature during operation; Wide voltage input or direct current input, output is provided with short circuit, overvoltage and overtemperature protection, guarantees the high security of explosion-proof lamp; The 3rd, explosion-proof lamp adopts integrated structure design, and rapid heat dissipation is abundant, and material is high-quality stretching aluminium and die casting aluminium, and lamp surface intensity is high, and is corrosion-resistant, elegant in appearance, durable in use, easy for installation.Domestic I class in recent years, II class zone explosion-proof lamp more and more is subjected to the favor in market.

The explosion-proof class LED light fixture model of selling on the market at present, is many.But relatively chaotic on the power grade classification, each producer's power rank does not wait from 15W～150W, and needleless causes user's type selecting difficulty to the segmentation in difference illumination place and adaptive; In addition, the LED electric clearance of mostly counting LED light fixture product is very little, so, in the large-scale integral flameproof enclosure of can only packing into, like this, not only having reduced security performance but also increase cost, heat radiation also is greatly affected; And the non-modularization structure causes safeguards and installs very complicatedly that the product of each model needs independent exploitation, causes R ﹠ D Cost to repeat, and causes very large waste to enterprise.

Summary of the invention

The technical problem to be solved in the present invention is to overcome the deficiency that above-mentioned prior art exists, and proposes a kind of anti-explosion LED lighting module and combination thereof, and the explosion insulation performance between its module is good, and the reliability of product is high.

In order to solve the problems of the technologies described above, the invention provides a kind of anti-explosion LED lighting module, comprise: the housing that cooperatively interacts and lid and be installed in described housing and sealed cavity that described lid surrounds in the LED metal substrate, be provided with the led light source array that is formed by a plurality of LED lamps on the described LED metal substrate, be provided with a plurality of power supply cables at two relative sidewalls of described housing and pass cable-through hole to be electrically connected with external power source or other anti-explosion LED lighting modules, on described housing, also be provided with other anti-explosion LED lighting modules of mechanical connection to connected components, on housing, also be provided with two pairs of explosion-proof inserts, every pair of explosion-proof inserts includes: an explosion-proof inserts male joint and the explosion-proof inserts female joint that can supply explosion-proof inserts male joint to insert, each described explosion-proof inserts male joint or each described explosion-proof inserts female joint correspondence are installed in the described cable-through hole

Further, described explosion-proof inserts male joint and described explosion-proof inserts female joint are provided with the wiring hole that the power supply cable passes.

Further, the surface of described explosion-proof inserts male joint and described explosion-proof inserts female joint is smooth explosion suppresion surface.

Further, the outer end of described explosion-proof inserts male joint is outwardly in the sidewall of described housing, and the outer end of described explosion-proof inserts female joint does not exceed the sidewall of described housing.

Further, be provided with a described explosion-proof inserts male joint and a described explosion-proof inserts female joint on the sidewall of one side of described housing, be provided with a described explosion-proof inserts female joint and a described explosion-proof inserts male joint of matching with it on the sidewall of described housing opposite side.

Further, be provided with two described explosion-proof inserts male joints on the sidewall of a side of described housing, be provided with two described explosion-proof inserts female joints that match with it on the sidewall of described housing opposite side.

Further, between described cable and described shell, be filled with the wire filler.

Further, contact the sheathed clamp nut in position of described LED metal substrate at described cable.

In order to solve the problems of the technologies described above, the present invention also provides a kind of anti-explosion LED lighting module combination, and it comprises at least two above-mentioned anti-explosion LED lighting modules that mutually are connected together.

Further, the adjacent wall between the adjacent two anti-explosion LED lighting modules of described anti-explosion LED lighting module combination roughly fits together.

Compared with prior art, the present invention has following beneficial effect: the present invention is by installing the wiring between each anti-explosion LED lighting module in the form that adopts one male one female two kinds of explosion-proof inserts joint docking between the module, improved the explosion insulation performance between the module, improve the reliability of product, also played effect anticorrosion, waterproof.

Description of drawings

Fig. 1 is the STRUCTURE DECOMPOSITION figure of anti-explosion LED lighting module of the present invention.

Fig. 2 is the first angle cutaway view of anti-explosion LED lighting module of the present invention.

Fig. 3 is the second angle cutaway view of anti-explosion LED lighting module of the present invention.

Fig. 4 is the assembled state schematic diagram of two groups of anti-explosion LED lighting modules.

Fig. 5 is two groups of stereograms after the combination of anti-explosion LED lighting module.

Fig. 6 is two groups of cutaway views after the combination of anti-explosion LED lighting module.

The specific embodiment

In order to further specify principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.

Consult Fig. 5, Fig. 6, anti-explosion LED lighting module combination 200 of the present invention comprises: at least two anti-explosion LED lighting modules 100 that can be connected with each other, each anti-explosion LED lighting module 100 is 15W, can be combined into 30,45,60,75,90,105 until other anti-explosion LED lighting module of the different capacity levels such as 150W makes up 200, satisfy the industrial site of different illumination.

Consult Fig. 1-Fig. 3, anti-explosion LED lighting module 100 comprises: the housing 1 that cooperatively interacts and lid 6, in the sealed cavity 11 that housing 1 and lid 6 surround, LED metal substrate 3(is installed and considers heat dispersion, LED metal substrate 3 can be preferably the LED aluminium base), be provided with the led light source array that is formed by a plurality of LED lamps 31 on the LED metal substrate 3,15 LED lamps are set on each LED metal substrate 3, the power of each LED lamp is 1W, for being connected in series, the power of such anti-explosion LED lighting module 100 is 15W between each LED lamp 31.According to GB/T3836-2000 regulation, when volume during less than 1000 milliliters, can and needn't there be the requirement of tolerance hydrostatic pressure in the gap greater than 0.20mm.It is that the little volume inner chamber of LED unit has just been avoided this problem that the present invention adopts 15W, and because compact conformation, quality little (each unit is less than 1.5 kilograms) have very large advantage at aspects such as shock-resistant, antivibration and anticorrosions.

Housing 1 comprises a diapire and four sidewalls, and this diapire and four sidewalls are encircled into a cubic box body.The inner surface of housing 1 diapire is smooth, and LED metal substrate 3 is flattened on the inner surface of this diapire, to accelerate 3 heat radiations of LED metal substrate.Lid 6 paperbacks are tightly connected with housing 1 around it above housing 1, and safety glass Transparent Parts 61 is equipped with at the center, and the light that sends for the LED lamp on the LED metal substrate 3 appears.On the housing 1 along around on relative two opposite side respectively convex set out a plurality of installing taches 15 with screw, around the lid 6 on relative two opposite side also convex set out a plurality of installing taches 62 with screw, housing 1 and lid 6 are realized being located by connecting by the securing member 5 of screwing on of the installing tache 15,62 on its corresponding positions.On the upper surface of housing 1, also be equipped with a seal groove 16, in seal groove 16, be embedded with seal 2, the seal 2 is in order to improve housing 1 and the sealing effectiveness of lid 6 on contact-making surface, when housing 1 cooperates with lid 6 assemblings, its inside just forms a strict sealed cavity 11, thereby guarantees explosion-proof effect.Inboard or the outside at seal groove 16 also are extended with the wide flame proof plane 17 of 12.5mm, in order to realize the flame proof function.In addition, for improving the heat sinking function of anti-explosion LED lighting module 100, also be cast with the radiating fin for the led light source heat radiation on the diapire outside of this housing 1 away from lid 6.

Pass through between each anti-explosion LED lighting module 100 connected components is realized connecting each other.Connected components is comprised: pair of parallel runs through housing 1 and docks longitudinally guide rail 4, is provided with two through holes 12 that the docking guide rails are installed at housing 1, and through hole 12 runs through the diapire of housing 1 and gets through two relative sidewalls of housing 1.One end of docking guide rail 4 is provided with a boss 41, housing 1 one sidewalls corresponding on it position of through hole 12 be provided with a groove 13, groove 13 is communicated with through hole 12, and the internal diameter of groove 13 is greater than the internal diameter of through hole 12, so that groove 13 forms a step with through hole 12 at the faying face place, when docking guide rail 4 is positioned at through hole 12, the boss 41 of docking guide rail 4 is arranged in this groove 13, and boss 41 end face just be resisted against the step position of groove 13, with spacing by this step, prevent from docking guide rail 4 in through hole 12 interior movements.Docking guide rail 4 is hollow pipeline, and it has on the inwall of an end of boss 41 and is provided with box thread, is provided with male thread on the outer wall of the other end, utilizes the serial connection of male and female screw thread that adjacent two anti-explosion LED lighting modules 100 are fitted together.Docking guide rail 4 can be the Aluminum Hollow pipe, also can be the better steel pipe of rigidity.In addition, can also install blanking cover additional in the sleeve pipe two ends after combination, and in pipe, add cooling fluid and accelerate the heat conduction of LED shell, help better heat radiation between the led module.

(with through hole 12 same sidewalls) respectively is provided with two cable-through holes on two relative sidewalls of housing 1.Also be provided with two pairs of explosion-proof inserts 7 on housing 1, every pair of explosion-proof inserts 7 includes: an explosion-proof inserts male joint 71 and an explosion-proof inserts female joint 72 arrange an explosion-proof inserts (male joint 71 or female joint 72) in each cable-through hole.When explosion-proof inserts male joint 71 was arranged in the cable-through hole of housing 1, its outer end was outwardly in the sidewall of housing 1, and when explosion-proof inserts female joint 72 was arranged in the cable-through hole of housing 1, its outer end did not exceed the sidewall of housing 1.Explosion-proof inserts male joint 71 can be inserted in the explosion-proof inserts female joint 72, and explosion-proof inserts male and

female joint

71,72 surfaces are smooth explosion suppresion surface.Two cable-through holes that are positioned on the housing 1 same sidewall can arrange (that is: the explosion-proof inserts male joint 71 of different explosion-proof inserts, an explosion-proof inserts female joint 72), identical explosion-proof inserts (that is: be explosion-proof inserts male joint 71 or be explosion-proof inserts female joint 72) also can be set.When two cable-through holes on being positioned at housing 1 same sidewall all arrange identical explosion-proof inserts, on another sidewall relative from it different with it explosion-proof inserts need be set then, so that when assembling between the two anti-explosion LED lighting modules 100, the male and female joint 71 on the adjacent two side, 72 can mate docking.In like manner, when two cable-through holes on being positioned at housing 1 same sidewall arrange two different explosion-proof inserts, the two different explosion-proof inserts that match need be set then on another sidewall relative from it.Explosion-proof inserts male and

female joint

71,72 is provided with wiring hole, and the wiring hole that external cable line 8 need pass explosion-proof inserts male and

female joint

71,72 just can be installed on the junction block of LED metal substrate 3.Between the adjacent two anti-explosion LED lighting modules 100 during wiring, both can adopt and be connected in series, also can adopt and be connected in parallel, but connection plan of the present invention more is applicable to the current constant mode of connecting, the light that can guarantee like this LED of each module is exported consistent, simultaneously short circuit occurs such as fruit part LED, do not affect light output and the life-span of other LED.Can there be the slit inevitably between cable 8 and the explosion-proof inserts male and

female joint

71,72, and the slit can have influence on the sealing effectiveness of the sealed cavity 11 in the housing 1, for solving this defective, the present invention adopts and fill wire filler 91 between cable 8 and shell, in addition, also contact the sheathed clamp nut 92 in position of LED metal substrates 3 at cable 8, so that sealed cavity 11 is with outside isolated, guarantee the flame proof effect, also play the effect of waterproof and dustproof.

Consult Fig. 4, Fig. 5, Fig. 6 is the structural representation of two anti-explosion LED lighting modules, 100 assembled state, as shown in the figure, when in advance with 100 combination of two anti-explosion LED lighting modules, lid 6 with two anti-explosion LED lighting modules 100 unloads first, then two docking guide rails 4 with first anti-explosion LED lighting module 100 screw spreading on the docking guide rail 4 of second anti-explosion LED lighting module 100, afterwards the docking guide rail 4 of spreading is passed the through hole 12 of first anti-explosion LED lighting module 100, make two anti-explosion LED lighting modules 100 mutually close, at the two near when the certain distance, explosion-proof inserts on the two adjacent wall is public, female joint 71 docking, the two adjacent sidewall is roughly fit together, then an end of cable is installed on the junction block of LED metal substrate 3 of first anti-explosion LED lighting module 100, the wiring hole of the explosion-proof inserts after the other end being passed connect also is installed on the junction block of second anti-explosion LED lighting module 100, cover tightly at last the lid 6 of two anti-explosion LED lighting modules 100, and tighten docking guide rail 4 from two ends, two anti-explosion LED lighting modules 100 are securely linked together.The lamp holder of the at this moment anti-explosion LED of 30W illumination floodlight is namely finished combination.By that analogy, can make up 30,45,60,75,90,105 ... until other illumination combination lamp holder of each power stage of 150W.

It is worth mentioning that, in other embodiments of the invention, the through hole 12 that docking guide rail 4 is installed also can only be arranged on two relative sidewalls of housing 1, docking guide rail 4 is passed through sealed cavity 11 another sidewall from housing 1 by a sidewall of housing 1, it can realize connecting the function of two anti-explosion LED lighting modules 100 equally, but this structure can take the space of sealed cavity 11, LED metal substrate 3 can't be flattened on the inner bottom surface of housing 1, so reduced heat dispersion, on the other hand, docking guide rail 4 in above-described embodiment has been because run through longitudinally whole diapire of housing 1, so its intensity is obviously than the intensity height that only runs through two relative sidewalls of housing 1.

Below only be better possible embodiments of the present invention, and unrestricted protection scope of the present invention, the equivalent structure that all utilizations specification of the present invention and accompanying drawing content have been done changes, and all is included in protection scope of the present invention.

Claims

1. anti-explosion LED lighting module, comprise: the housing that cooperatively interacts and lid and be installed in described housing and sealed cavity that described lid surrounds in the LED metal substrate, be provided with the led light source array that is formed by a plurality of LED lamps on the described LED metal substrate, be provided with a plurality of power supply cables at two relative sidewalls of described housing and pass cable-through hole to be electrically connected with external power source or other anti-explosion LED lighting modules, on described housing, also be provided with other anti-explosion LED lighting modules of mechanical connection to connected components, it is characterized in that, on housing, also be provided with two pairs of explosion-proof inserts, every pair of explosion-proof inserts includes: an explosion-proof inserts male joint and the explosion-proof inserts female joint that can supply explosion-proof inserts male joint to insert, each described explosion-proof inserts male joint or each described explosion-proof inserts female joint correspondence are installed in the described cable-through hole.

2. anti-explosion LED lighting module as claimed in claim 1 is characterized in that, described explosion-proof inserts male joint and described explosion-proof inserts female joint are provided with the wiring hole that the power supply cable passes.

3. anti-explosion LED lighting module as claimed in claim 1 is characterized in that, the surface of described explosion-proof inserts male joint and described explosion-proof inserts female joint is smooth explosion suppresion surface.

4. anti-explosion LED lighting module as claimed in claim 1 is characterized in that, the outer end of described explosion-proof inserts male joint is outwardly in the sidewall of described housing, and the outer end of described explosion-proof inserts female joint does not exceed the sidewall of described housing.

5. anti-explosion LED lighting module as claimed in claim 1, it is characterized in that, be provided with a described explosion-proof inserts male joint and a described explosion-proof inserts female joint on the sidewall of one side of described housing, be provided with a described explosion-proof inserts female joint and a described explosion-proof inserts male joint of matching with it on the sidewall of described housing opposite side.

6. anti-explosion LED lighting module as claimed in claim 1 is characterized in that, is provided with two described explosion-proof inserts male joints on the sidewall of a side of described housing, is provided with two described explosion-proof inserts female joints that match with it on the sidewall of described housing opposite side.

7. anti-explosion LED lighting module as claimed in claim 1 is characterized in that, is filled with the wire filler between described cable and described shell.

8. anti-explosion LED lighting module as claimed in claim 1 is characterized in that, contacts the sheathed clamp nut in position of described LED metal substrate at described cable.

9. anti-explosion LED lighting module combination is characterized in that, comprising: at least two mutually be connected together such as the described anti-explosion LED lighting module of any one among the claim 1-8.

10. anti-explosion LED lighting module combination as claimed in claim 9 is characterized in that the adjacent wall between the adjacent two anti-explosion LED lighting modules roughly fits together.