CN105588005A

CN105588005A - Flame-proof type LED anti-explosion lamp

Info

Publication number: CN105588005A
Application number: CN201510665626.9A
Authority: CN
Inventors: 仲杏英
Original assignee: 仲杏英
Current assignee: Shenyang North Explosion-Proof Co., Ltd.
Priority date: 2015-10-16
Filing date: 2015-10-16
Publication date: 2016-05-18
Anticipated expiration: 2035-10-16
Also published as: CN105588005B

Abstract

The invention relates to a flame-proof type LED anti-explosion lamp. The flame-proof type LED anti-explosion lamp comprises a lampshade and a light-emitting piece; the light-emitting piece is fixedly mounted inside the lampshade and sealed by a light-transmitting plate; a campaniform light reflecting cover is mounted in the lampshade, and the light reflecting cover is connected with the lampshade through a rotating shaft and can drive the rotating shaft to synchronously rotate relative to the lampshade; the light reflecting cover is buckled above the light-emitting piece, and the light-reflecting face of the light reflecting cover faces the light-emitting piece; fins are further rotatably and symmetrically mounted on the inner side wall of the light reflecting cover with the rotating shaft as the center, and the fins extend in the axial direction of the light reflecting cover and do not pass through the axis of the light reflecting cover; and the anti-explosion lamp is novel in structure, when explosive gas permeates into a shell and triggers explosion, explosion pressure can be effectively relieved and is blocked in the shell, and therefore the probability of danger happening is reduced.

Description

Flameproof LED anti-explosion lamp

Technical field

The present invention relates to a kind of LED lamp, special, be a kind of LED explosion-proof lamp.

Background technology

Explosion-proof lamp, refers to the light fixture in order to prevent from lighting the various certain measures that explosive mixture is taked as explosive gas atmosphere, explosive dust atmosphere, methane gas etc. around; It is widely used in the places such as the hazardous environments such as oil exploitation, oil refining, chemical industry, colliery, railway, flood control, military project and offshore platform, oil tanker; Common explosion-proof lamp is divided into flame-proof type light fixture, INCREASEDSAFETY light fixture, compound light fixture etc. by structural shape; Traditional light emitting source adopts incandescent lamp, and along with the maturation of LED technology, LED belongs to solid-state cold light source, has that electro-optical efficiency is high, caloric value is little, power consumption is little, operating voltage belongs to the advantage such as safety low-voltage, long service life, and therefore LED type explosion-proof lamp obtains effective development; But in actual production process, the structure of explosion-proof lamp is comparatively complicated, cost is higher, still has in use many potential safety hazards simultaneously.

Summary of the invention

For the problems referred to above, the invention provides a kind of flameproof LED anti-explosion lamp, this flameproof lamp structure novelty can effectively be alleviated blast pressure and be locked in enclosure interior, thereby reduce the dangerous probability occurring in the time that damp infiltration housing is also explosion caused.

For addressing the above problem, the technical solution adopted in the present invention is: this flameproof LED anti-explosion lamp includes lampshade and light tiles; Described light tiles is fixedly mounted on the inside of described lampshade and is sealed by light-passing board; Inside at described lampshade is also provided with the reflection shield that is bell, and described reflection shield is connected by rotating shaft with described lampshade, and described reflection shield can drive described rotating shaft synchronously to rotate with respect to described lampshade; Described reflection shield buckles above described light tiles, and the reflective surface of described reflection shield is towards described light tiles; The rotational symmetric fin that is provided with also centered by described rotating shaft, on the madial wall of described reflection shield, each described fin along reflection shield extend axially and each fin not by the axis of reflection shield.

The invention has the beneficial effects as follows: because explosion-proof lamp is used for colliery, chemical industry etc. and is full of the place of damp, even if therefore lamp body excessively seals and also easily penetrates into damp, lamp body in use easily produces electric arc or spark, now electric arc or spark are easily lighted damp, thereby explosion caused; Traditional explosion-proof lamp adopts high-intensity lampshade, can effectively blast be locked in housing, but because processing stage is uneven, or the factor such as manufacture of materials, assembling be defective, still there is larger hidden danger in traditional explosion-proof lamp; Compared to traditional explosion-proof lamp, the present invention has safer stable safeguard measure; Along with the growth of service time, damp enters lampshade inside, and in the time that light tiles produces electric arc and ignites gas, the gas of lampshade and reflection shield inside has the trend of rapid expansion and is accompanied by a large amount of heat generations; Because electric arc is created in a side position of reflection shield, therefore in reflection shield gas expansion and unbalanced, therefore in the time of fiery gas volume expansion, will apply active force to each described fin, and then promote described reflection shield high speed rotating; Utilizing merely lampshade to resist compared to traditional explosion-proof lamp can in blast, the present invention will can convert the kinetic energy of reflection shield in blast, weakened fast explosion energy, simultaneously reflection shield can not affect the normal optically focused, reflective of explosion-proof lamp in the time of High Rotation Speed, and therefore explosion-proof lamp can normally move.

Novel structure of the present invention, be skillfully constructed, the design that is explosion-proof lamp from the angle of power conversion provides new approaches, in producing, using, has obvious advantage.

As preferably, on the inwall of described reflection shield, be also equidistantly placed with spray point; Spray point is most advanced and sophisticated easily to be assembled electric charge and discharges, and the micro-electric charge that this structure can be leaked lampshade and light tiles or the electric arc of generation discharge in time, thereby prevents from producing in lamp body huge explosion.

As preferably, between described rotating shaft and described lampshade, sand round is also installed; So that increase the frictional force between rotating shaft and lampshade, and then will in inner blast, can consume fast.

As preferably, consume is installed in the outside of described lampshade and shows chamber, the limit wall in described consume demonstration chamber is made by transparent panel; Within showing chamber, described consume is placed with magnetic; Permanent magnetism sheet is installed on the periphery wall of described reflection shield; In the process of reflection shield rotation, described permanent magnetism sheet will periodically be plunderred and be swept described lampshade, and described magnetic shows motion frictional dissipation under magneticaction on the limit wall in chamber; Can learn intensity and the number of times of explosion-proof lamp internal explosion by the abrasion condition of observing limit wall, thereby judge the use extent of deterioration of this explosion-proof lamp.

Brief description of the drawings

Fig. 1 is the plan structure schematic diagram of an embodiment of this flameproof LED anti-explosion lamp.

Fig. 2 is cross section structure schematic diagram embodiment illustrated in fig. 1.

Detailed description of the invention

Embodiment

In the embodiment shown in Fig. 1, Fig. 2, this flameproof LED anti-explosion lamp includes lampshade 1 and light tiles 2; Described light tiles 2 is fixedly mounted on the inside of described lampshade 1 and is sealed by light-passing board; Consume is installed in the outside of described lampshade 1 and shows chamber 12, the limit wall in described consume demonstration chamber 12 is made by transparent panel; Within showing chamber 12, described consume is placed with magnetic; The reflection shield 3 that is bell is also installed in the inside of described lampshade 1, and described reflection shield 3 is connected by rotating shaft 31 with described lampshade 1, between described rotating shaft 31 and described lampshade 1, sand round 11 is also installed; Described reflection shield 3 can drive described rotating shaft 31 synchronously to rotate with respect to described lampshade 1 and sand round 11; Described reflection shield 3 buckles above described light tiles 2, and the reflective surface of described reflection shield 3 is towards described light tiles 2; The rotational symmetric fin 32 that is provided with also centered by described rotating shaft 31, on the madial wall of described reflection shield 3, each described fin 32 along reflection shield 3 extend axially and each fin 32 by the axis of reflection shield 3; On the inwall of described reflection shield 3, be also equidistantly placed with spray point 4; Permanent magnetism sheet 5 is installed on the periphery wall of described reflection shield 3.

Because explosion-proof lamp is used for colliery, chemical industry etc. and is full of the place of damp, even if therefore lamp body excessively seals and also easily penetrates into damp, lamp body in use easily produces electric arc or spark, and now electric arc or spark are easily lighted damp, thereby explosion caused; Traditional explosion-proof lamp adopts high-intensity lampshade 1, can effectively blast be locked in housing, but because processing stage is uneven, or the factor such as manufacture of materials, assembling be defective, still there is larger hidden danger in traditional explosion-proof lamp.

Compared to traditional explosion-proof lamp, the present invention has safer stable safeguard measure; Along with the growth of service time, damp enters lampshade 1 inside, and in the time that light tiles 2 produces electric arc and ignite gas, the gas of lampshade 1 and reflection shield 3 inside has the trend of rapid expansion and is accompanied by a large amount of heat generations; Because electric arc is created in a side position of reflection shield 3, therefore reflection shield 3 interior gas expansions and unbalanced, therefore in the time of fiery gas volume expansion, will apply active force to each described fin 32, and then promote described reflection shield 3 high speed rotating; Reflection shield 3 drives rotating shaft 31 high speed rotating, and rotating shaft 31 rubs with sand round 11 and converts kinetic energy to sand round 11 interior and can dissipate; Utilize merely lampshade 1 to resist energy in blast compared to traditional explosion-proof lamp, the present invention, by converting the kinetic energy of reflection shield 3 and the interior energy of sand round 11 in blast, has weakened explosion energy fast, has reduced bursting strength; Simultaneously reflection shield 3 can not affect the normal optically focused, reflective of explosion-proof lamp in the time of High Rotation Speed, and therefore explosion-proof lamp can normally move.

In reflection shield 3 high speed rotating, the described permanent magnetism sheet 5 of reflection shield 3 periphery walls is periodically plunderred and is swept described lampshade 1, and consume shows that the described magnetic in chamber 12 shows cycle movement under magneticaction frictional dissipation on the limit wall in chamber; Can learn the degree of explosion-proof lamp internal explosion by the abrasion condition of observing limit wall, thereby judge the use extent of deterioration of this explosion-proof lamp, so that overhaul in time and change.

In the present embodiment, at the inwall of reflection shield 3, spray point 4 is installed, spray point 4 tips are easily assembled and are discharged electric charge, the micro-electric charge that this structure can be leaked lampshade 1 and light tiles 2 or the electric arc of generation discharge in time, thereby the blast of the little degree of triggering frequently, initiatively, effectively prevent lampshade 1 internal explosion gas in a large number, gather for a long time, thereby prevent the huge explosion that the inner generation of lamp body cannot stop.

Novel structure of the present invention, be skillfully constructed, the design that is explosion-proof lamp from the angle of power conversion provides new approaches, in producing, using, has obvious advantage, has effectively improved safety coefficient and the result of use of explosion-proof lamp.

The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims

1. a flameproof LED anti-explosion lamp, this flameproof LED anti-explosion lamp includes lampshade (1) and light tiles (2); Described light tiles (2) is fixedly mounted on the inside of described lampshade (1) and is sealed by light-passing board; It is characterized in that: the reflection shield (3) that is bell is also installed in the inside of described lampshade (1), described reflection shield (3) is connected by rotating shaft (31) with described lampshade (1), and described reflection shield (3) can drive described rotating shaft (31) synchronously to rotate with respect to described lampshade (1); Described reflection shield (3) buckles in the top of described light tiles (2), and the reflective surface of described reflection shield (3) is towards described light tiles (2); The rotational symmetric fin (32) that is provided with also centered by described rotating shaft (31), on the madial wall of described reflection shield (3), each described fin (32) along reflection shield (3) extend axially and each fin (32) by the axis of reflection shield (3).

2. flameproof LED anti-explosion lamp according to claim 1, is characterized in that: on the inwall of described reflection shield (3), be also equidistantly placed with spray point (4).

3. flameproof LED anti-explosion lamp according to claim 1 and 2, is characterized in that: between described rotating shaft (31) and described lampshade (1), sand round (11) is also installed.

4. flameproof LED anti-explosion lamp according to claim 1, is characterized in that: loss is installed in the outside of described lampshade (1) and damages demonstration chamber (12), described loss is damaged the limit wall in demonstration chamber (12) and made by transparent panel; In damaging demonstration chamber (12), described loss is placed with magnetic; Permanent magnetism sheet (5) is installed on the periphery wall of described reflection shield (3).