CN214312517U

CN214312517U - Explosion-proof emergency sign lamp of flame-proof type

Info

Publication number: CN214312517U
Application number: CN202120322257.4U
Authority: CN
Inventors: 丁柱; 罗绍仪; 罗圣江
Original assignee: Hangzhou Binjian Technology Co ltd
Current assignee: Hangzhou Binjian Technology Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-28
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a flame-proof type explosion-proof emergency sign lamp, which comprises a shell, a pressing frame, a wiring port, toughened explosion-proof glass, a driving element and an LED light source, wherein the shell comprises a substrate and a rectangular frame, a downward-concave electric element cavity is arranged in the middle of the substrate, the cross-sectional area of the electric element cavity is less than one fourth of the cross-sectional area of the substrate, a light source cavity is formed between the substrate and the toughened explosion-proof glass in a surrounding manner, a glass annular groove is arranged on the rectangular frame, the toughened explosion-proof glass is attached to the glass annular groove, the internal cavity space of the whole lamp is greatly compressed compared with the internal cavity space of the original sign lamp, even if dangerous gas is leaked, the spark ignites the gas, because the internal cavity of the lamp is small in size, the total amount of the internal combustible gas is also greatly reduced, the generated explosion power is also reduced in times, the toughened glass and the glass annular groove are attached, and the flame-proof joint surface formed by the pressing frame and the rectangular frame of the shell, the gas leakage and explosion prevention effect at the joint can be increased, and the explosion-proof effect is really realized.

Description

Explosion-proof emergency sign lamp of flame-proof type

Technical Field

The invention relates to the technical field of explosion-proof emergency lamps, in particular to an explosion-proof type explosion-proof emergency sign lamp.

Background

In enterprises such as petrifaction, metallurgy and coal mines, production operation areas with explosive gases and explosive dust and various dangerous places such as inflammability and explosiveness, a real safe explosion-proof emergency sign lamp needs to be used, but the explosion-proof emergency sign lamp in the current market generally has the problems of low explosion-proof level, poor explosion-proof performance, small visual angle and the like.

The invention aims to solve the problems that the integral explosion-proof level is improved, explosion is restrained in the explosion-proof device, a better explosion-proof effect is realized, the heat dissipation capability is improved, and the integral structure is more compact and safer.

Disclosure of Invention

The utility model aims at improving the problem of current explosion-proof lamps and lanterns, provide a reduction internal cavity volume, reduce inside hazardous gas content, promote holistic explosion-proof effect, suppress the explosion in inside, increase heat-sinking capability, the emergent sign lamps and lanterns of explosion-proof type that overall structure is inseparable.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an explosion-proof emergent sign lamps and lanterns of flame-proof type, includes the casing, presses frame, wiring port, the explosion-proof glass of tempering and drive element, and the casing includes base plate and rectangle frame, the base plate middle part is equipped with undercut's electric elements chamber, the cross sectional area in electric elements chamber is less than the half of base plate cross sectional area, around forming the light source chamber between base plate and the explosion-proof glass of tempering, is equipped with the glass annular on the rectangle frame, and the explosion-proof glass of tempering pastes and leans on the glass annular, still is equipped with diffuse reflection board and safety mark coating between explosion-proof glass of tempering and the glass annular, and the safety mark coating is in between diffuse reflection board and the explosion-proof glass of tempering. The light source cavity is used for placing an LED light source, the internal volume of the whole lamp is greatly reduced, even dangerous gas leaks, the spark ignites the gas, the total amount of the internal combustible gas is greatly reduced due to the small volume of the element cavity, the generated explosion power is reduced exponentially, and the anti-leakage and anti-explosion effects at the joint can be increased by the anti-leakage and anti-explosion combination surface formed by the tempered anti-explosion glass and the glass ring groove which are attached to the anti-explosion combination surface formed by the pressing frame and the rectangular frame of the shell.

Preferably, the glass ring groove comprises a glass ring groove side wall and a glass ring groove bottom surface, the tempered explosion-proof glass comprises a lampshade side wall, the thickness of the lampshade side wall is higher than the height of the glass ring groove side wall, and the upper portion of the lampshade side wall is attached to the inner wall of the pressing frame. The height of the tempered explosion-proof glass is increased so as to be attached to the pressing frame to form a new attaching surface, and external dangerous gas is prevented from entering the equipment. The side wall of the glass ring groove and the bottom surface of the glass ring groove form a joint structure of the closed light source cavity with the tempered explosion-proof glass, and an explosion-proof joint surface is formed.

Preferably, the rectangular frame comprises the upper surface of the rectangular frame, a plurality of compression screws are arranged on the circumferential direction of the pressing frame, and the bottoms of the compression screws are in threaded connection with the shell, so that the pressing frame is tightly attached to the upper surface of the rectangular frame, and an explosion-proof joint surface is formed.

Preferably, the housing is provided with two mounting feet and a plurality of staggered heat dissipation strips. The back plate of the shell is provided with the heat dissipation strip, the main material of the heat dissipation strip is aluminum, the whole heat dissipation area is increased, heat generated by the internal elements and the LED is quickly conducted to the heat dissipation strip, and the cooling and heat dissipation effects are good.

Preferably, the compression screws are sequentially arranged at equal intervals along the circumferential direction of the pressing frame, wherein between two adjacent compression screws: the pressing frame is provided with a connecting part, and the width of the connecting part is smaller than that of the compression screw. Under the effect that does not influence overall structure intensity, the width of reduction connecting portion reduces the high shielding influence to the explosion-proof glass of tempering of pressing the frame, can observe the panel figure of sign lamps and lanterns with bigger angle, increases the practicality.

Preferably, a buffer sealing gasket is arranged between the pressing frame and the tempered explosion-proof glass. The buffer sealing gasket can prevent the pressing frame from directly contacting with the toughened explosion-proof glass, plays a role in damping and buffering, and prevents the toughened glass from fracturing.

The substrate, the rectangular frame and the heat dissipation strip are of an integrally formed structure. The integrated die-casting aluminum part is stable in structure, uniform in strength and good in air tightness.

Preferably, the electrical component chamber comprises side walls and a side wall of a bottom surface of the component chamber, which bottom surface has an area smaller than a quarter of the area of the substrate, and the substrate is connected to the side wall. The area of the bottom surface of the electric element cavity is less than one fourth of the area of the substrate, so that the volume in the lamp is greatly reduced, the total amount of the combustible gas in the lamp is greatly reduced, the generated explosion power is also reduced by times, and the overall safety is improved.

Preferably, the light source chamber and the electrical component chamber are in communication with each other.

The invention has the beneficial technical effects that: by arranging the electric element cavity structure, parts such as a driving element, a control circuit board and the like are intensively arranged in a cavity with a reduced space, so that the internal volume of the lamp is greatly reduced, even if dangerous gas leaks and sparks ignite gas, the total amount of internal combustible gas is greatly reduced due to the small volume of the electric element cavity, the generated explosion power is also reduced by times, and the gas leakage and explosion prevention effects at the joint can be increased by the explosion-proof joint surface formed by the adhesion of tempered explosion-proof glass and the glass ring groove and the explosion-proof joint surface formed by the pressing frame and the rectangular frame; the pressure frame and the rectangular frame of the shell are fixed by screws, and the two surfaces are tightly attached to form an explosion-proof joint surface so as to prevent external dangerous gas from entering the equipment; the luminous area of the tempered explosion-proof glass is increased, the visual angle of the pattern of the marker light panel is improved, and the practicability is improved; the heat dissipation effect is good, and the overall structure is compact and safe.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a rear view of the present invention;

fig. 3 is a schematic view of the internal structure of the housing of the present invention;

fig. 4 is a schematic transverse cross-section of the present invention;

fig. 5 is a schematic longitudinal cross-section of the present invention;

fig. 6 is a reference diagram of the usage state of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings, which will serve to assist the public in understanding the invention, and the following description of the embodiments is not intended to limit the invention to the specific embodiments given by the applicant, and any changes in the definition of parts or features, or in the form of an overall structure, rather than essential changes, may be made to the invention as defined in the claims.

Examples

As shown in fig. 1: the utility model provides an explosion-proof emergent sign lamps and lanterns of flame-proof type, which comprises a housin 1, press frame 2, wiring port 3, tempering explosion-proof glass 4, press frame 2 to arrange fourteen housing screws 21 in proper order equidistantly in week, wherein, between two adjacent housing screws, be equipped with connecting portion 20 on the pressure frame, the width of connecting portion 20 is less than the width of housing screw 21 department, the screw position is compared the whole frame width protrusion of pressure frame promptly, the width of frame can be reduced in this design, make the sight can reduce the frame width from certain angle the at utmost and shelter from the panel figure, under the effect that does not influence overall structure intensity, reduce the high influence of sheltering from to tempering explosion-proof glass of frame, can observe the panel figure of sign lamps and lanterns with bigger angle, and the practicability is increased.

As shown in fig. 2 and 3: the shell 1 comprises a substrate 11 and a rectangular frame 12, a downward-concave electric element cavity 110 is arranged in the middle of the substrate, the sectional area of the electric element cavity 110 is smaller than one fourth of that of the substrate 11, the electric element cavity 110 comprises a side wall 1101 and an element cavity bottom surface 1102, the side wall 1101 is connected with the substrate 11, the element cavity bottom surface is rectangular, the length of the side wall is equal to that of the substrate, the width of the element cavity bottom surface is one fourth of that of the substrate, the driving elements 5 are intensively placed in the electric element cavity, the internal volume of the whole lamp is greatly reduced, and therefore, even if dangerous gas leaks, the spark ignites the gas, the total amount of the internal combustible gas is greatly reduced due to the small volume of the electric element cavity, and the generated explosive power is also reduced in a multiple mode.

The glass ring groove 121 is formed in the rectangular frame 12, the two mounting feet 13 and the plurality of staggered heat dissipation strips 14 are arranged on the back plate of the shell 1, the substrate 11, the rectangular frame 12 and the heat dissipation strips 14 are of an integrally formed structure, and an integrally die-cast aluminum part is formed, so that the structure is stable, the strength is uniform, and the air tightness is good.

As shown in fig. 4: around forming light source chamber 10 between base plate 11 and the explosion-proof glass of tempering 4, the light source chamber is used for placing the LED light source, UNICOM each other between light source chamber 10 and the electrical component chamber 110, and explosion-proof glass of tempering 4 pastes and leans on glass annular 121, still is equipped with diffuse reflector 7 and safety mark coating 6 between explosion-proof glass of tempering 4 and the glass annular 121, and safety mark coating 6 is in between diffuse reflector 7 and the explosion-proof glass of tempering 4.

The glass ring groove 121 comprises a glass ring groove side wall 1211 and a glass ring groove bottom surface 1212, the tempered explosion-proof glass 4 comprises a lampshade side wall 41, wherein the thickness of the lampshade side wall 41 is higher than the height of the glass ring groove side wall 1211, and the upper part of the lampshade side wall 4 is attached to the inner wall of the pressing frame. The height of the toughened explosion-proof glass is increased so as to be attached to the pressing frame to form a new attaching surface. And the explosion-proof joint surface formed by the tempered explosion-proof glass and the glass ring groove in an attached mode can improve the gas leakage and explosion prevention effects of the joint.

Further, the rectangular frame 12 comprises a rectangular frame upper surface 1213, the bottoms of the compression screws 21 are in threaded connection with the casing 1, so that the compression frame 2 and the rectangular frame upper surface 1213 are tightly attached to form an explosion-proof joint face, and the air leakage and explosion prevention effects at the joint can be improved.

As shown in fig. 5: a buffer sealing gasket 22 is arranged between the pressing frame 2 and the toughened explosion-proof glass 4. The buffer sealing gasket can prevent the pressure frame from directly contacting with the toughened explosion-proof glass, plays a role in damping and buffering, and prevents the toughened glass from bursting, and the bottom of the compression screw 21 is in threaded connection with the shell 1, so that the two surfaces of the pressure frame and the rectangular frame are tightly attached to form an explosion-proof joint surface, and external dangerous gas is prevented from entering the equipment.

As shown in fig. 6: the safety sign coating 6 is located the explosion-proof glass of tempering below, and LED light source sends out light earlier through diffuse reflection board 7, and diffuse reflection board changes the LED pointolite into even luminous area source, sees through the explosion-proof glass of tempering, maps out the pattern on the safety sign coating 6.

In this embodiment: by arranging the electric element cavity structure, parts such as a driving element, a control circuit board and the like are intensively placed in a cavity with a reduced space, so that the internal volume of the lamp is greatly reduced, the volume of the electric element cavity is small, the total amount of internal combustible gas is greatly reduced, the generated explosion power is reduced by times, and the gas leakage and explosion prevention effects at the joint can be improved by the explosion-proof surface formed by the adhesion of tempered explosion-proof glass and the glass ring groove; the height of the tempered explosion-proof glass is increased so as to be attached to the pressing frame to form a new attaching surface; the pressure frame and the rectangular frame of the shell are fixed by screws, and the two surfaces are tightly attached to form an explosion-proof joint surface so as to prevent external dangerous gas from entering the equipment; the luminous area of the tempered explosion-proof glass is increased, the visual angle of the pattern of the marker light panel is improved, and the practicability is improved; the heat dissipation effect is good, and the overall structure is compact and safe.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.

Claims

1. The utility model provides an explosion-proof emergent sign lamps and lanterns of flame-proof type, includes casing (1), pressure frame (2), wiring port (3), explosion-proof glass of tempering (4), drive element (5) and LED light source, its characterized in that: casing (1) includes base plate (11) and rectangle frame (12), the base plate middle part is equipped with undercut's electric elements chamber (110), the cross sectional area in electric elements chamber (110) is less than base plate (11) cross sectional area's half, around forming light source chamber (10) between base plate (11) and tempering explosion-proof glass (4), be equipped with glass annular (121) on rectangle frame (12), tempering explosion-proof glass (4) paste and lean on glass annular (121), still be equipped with diffuse reflector panel (7) and safety mark coating (6) between tempering explosion-proof glass (4) and glass annular (121), safety mark coating (6) are in between diffuse reflector panel (7) and tempering explosion-proof glass (4).

2. The explosion-proof type explosion-proof emergency sign lamp of claim 1, characterized in that the glass ring groove (121) comprises a glass ring groove side wall (1211) and a glass ring groove bottom surface (1212), and the tempered explosion-proof glass is attached to each other to form an explosion-proof joint surface, the tempered explosion-proof glass (4) comprises a lampshade side wall (41), wherein the thickness of the lampshade side wall (41) is higher than the height of the glass ring groove side wall (1211), and the upper part of the lampshade side wall (41) is attached to the inner wall of the pressing frame (2).

3. The explosion-proof type explosion-proof emergency sign lamp of claim 1, wherein the rectangular frame (12) comprises a rectangular frame upper surface (1213), a plurality of compression screws (21) are arranged on the pressing frame (2) in the circumferential direction, and the bottom of each compression screw (21) is in threaded connection with the casing (1), so that the pressing frame (2) and the rectangular frame upper surface (1213) are tightly attached to form an explosion-proof joint surface.

4. An explosion-proof type explosion-proof emergency sign lamp according to claim 1, characterized in that two mounting feet (13) and a plurality of staggered heat dissipation strips (14) are arranged on the back plate of the housing (1).

5. The explosion-proof type explosion-proof emergency sign lamp of claim 3, wherein each compression screw (21) is arranged along the circumferential direction of the pressing frame (2) at equal intervals in sequence, wherein between two adjacent compression screws: the pressing frame is provided with a connecting part (20), and the width of the connecting part (20) is smaller than that of the position of the compression screw (21).

6. An explosion-proof type explosion-proof emergency sign lamp as claimed in claim 1, characterized in that a buffer gasket (22) is arranged between the pressing frame (2) and the tempered explosion-proof glass (4).

7. The explosion-proof type explosion-proof emergency sign lamp of claim 1, wherein the substrate (11), the rectangular frame (12) and the heat dissipation strip (14) are of an integrally formed structure.

8. The explosion-proof type explosion-proof emergency sign lamp of claim 1, characterized in that: the electric element cavity (110) comprises a side wall (1101) and an element cavity bottom surface (1102), the side wall (1101) is connected with the substrate (11), and the area of the element cavity bottom surface (1102) is less than one fourth of the area of the substrate (11).

9. The explosion-proof type explosion-proof emergency sign lamp of claim 1, characterized in that: the light source cavity (10) and the electric element cavity (110) are communicated with each other.