CN112856357B

CN112856357B - Explosion-proof lamp convenient to heat dissipation

Info

Publication number: CN112856357B
Application number: CN202110024260.2A
Authority: CN
Inventors: 王伟; 毛德平; 陆智强; 杨颂感; 黄良德
Original assignee: Bond Electric Co ltd
Current assignee: Bond Electric Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2022-08-12
Anticipated expiration: 2041-01-08
Also published as: CN112856357A

Abstract

The application relates to an explosion-proof lamp convenient for heat dissipation, which comprises a heat dissipation shell, an LED lamp panel, a glass cover, a connecting seat, a driving power supply and a sealing cover assembly, wherein the heat dissipation shell comprises an annular mounting shell and a fixing seat connected to the outer side of one end of the mounting shell, the mounting shell is hollow and communicated to form a heat dissipation cavity, a plurality of fins are arranged on the inner side of the mounting shell at intervals along the circumferential direction, and the LED lamp panel is arranged on the outer side of the mounting shell; the glass cover is connected with the fixing seat and covers the installation shell, the top end of the glass cover is provided with a ventilation hole communicated with the heat dissipation cavity, the connecting seat is connected to one side, back to the glass cover, of the fixing seat, the driving power supply is arranged on one side, back to the heat dissipation shell, of the connecting seat, and the sealing cover assembly is connected with the connecting seat. The application has the advantage that the radiating efficiency is high for the explosion-proof lamp.

Description

Explosion-proof lamp convenient to heat dissipation

Technical Field

The application relates to the field of explosion-proof lamps, in particular to an explosion-proof lamp convenient to heat dissipation.

Background

The explosion-proof lamp can prevent electric arcs, sparks and high temperature possibly generated inside the lamp from igniting combustible gas and dust in the surrounding environment, is suitable for dangerous places with the combustible gas and dust, and is widely applied to industries such as petroleum, chemical industry, mining industry and the like.

The light source of the lighting lamp comprises an incandescent lamp, a metal halide lamp, an LED lamp and the like, wherein the LED lamp is used as a solid cold light source, has the advantages of low working temperature, high luminous efficiency, long service life, low working voltage and the like, and is becoming the preferred light source of the explosion-proof lamp.

For high power applications, explosion-proof lamps require multiple LED sources to ensure the desired luminous efficacy, but also result in increased heat generation. If the LED lamp cannot be radiated in time, the LED lamp is easy to seriously fade, the service life is shortened, and potential safety hazards exist.

Disclosure of Invention

In order to improve the radiating efficiency, this application provides a radiating explosion-proof lamp of being convenient for.

The application provides an explosion-proof lamp convenient to heat dissipation adopts following technical scheme:

an explosion-proof lamp convenient for heat dissipation comprises a heat dissipation shell, an LED lamp panel, a glass cover, a connecting seat, a driving power supply and a sealing cover assembly, wherein the heat dissipation shell comprises an annular mounting shell and a fixing seat connected to the outer side of one end of the mounting shell, the mounting shell is hollow and communicated to form a heat dissipation cavity, a plurality of fins are arranged on the inner side of the mounting shell at intervals along the circumferential direction, and the LED lamp panel is arranged on the outer side of the mounting shell;

the glass cover is connected with the fixing seat and covers the installation shell, the top end of the glass cover is provided with a ventilation hole communicated with the heat dissipation cavity, the connecting seat is connected to one side, back to the glass cover, of the fixing seat, the driving power supply is arranged on one side, back to the heat dissipation shell, of the connecting seat, and the sealing cover assembly is connected with the connecting seat.

Through adopting above-mentioned technical scheme, the LED lamp plate encircles and installs on the installation shell, and the heat accessible installation shell conduction of its production is to the heat dissipation intracavity, and the heat dissipation chamber communicates with the outside air, therefore the heat that the LED lamp plate produced can dispel fast, and the radiating efficiency of explosion-proof lamp is high.

Optionally, the driving power supply is connected with the LED lamp panel through a power line, the fixing base is provided with a through hole through which a power line passes, the connecting base is provided with a threading hole through which the power line passes, the fixing base and the connecting base are connected through a connecting screw, and the connecting base is provided with a connecting hole into which the connecting screw is inserted; the connecting hole opening, the through hole and the threading hole are filled and sealed by epoxy resin glue.

Through adopting above-mentioned technical scheme, the wiring passageway leakproofness of LED lamp plate is good, and isolated LED lamp plate and external environment guarantee the security performance of explosion-proof lamp.

Optionally, a gap is formed between the connecting seat and the fixed seat, and the fin extends into the gap between the connecting seat and the fixed seat.

Through adopting above-mentioned technical scheme, heat dissipation chamber lower extreme is through ventilation hole and external intercommunication, upper end through clearance and external intercommunication, and the permeability is good, is favorable to improving the radiating efficiency.

Optionally, the outer diameter of the fixing seat is larger than the connecting seat, and the inner diameter of the mounting shell is gradually reduced along a direction departing from the fixing seat.

Through adopting above-mentioned technical scheme, the outdoor long-term back dust of using of explosion-proof lamp can be along with the air entering heat dissipation chamber unavoidably, adheres to on fin or installation shell inner wall, influences the heat conduction.

In rainy days, rainwater falls on the outer edge of the fixing seat and flows out along the gap, the heat dissipation cavity and the ventilation hole, so that the dust is washed away, and the heat dissipation effect is ensured.

On one hand, the mounting shell is in an inverted cone shape, so that the light source is favorably dispersed, and the illumination range and uniformity of the explosion-proof lamp are increased; on the other hand, the device plays a role in draining rainwater and improves dust washing effect.

Optionally, the glass cover includes the cover body, connects in the inboard sealing ring in cover body top, the fixing base is provided with the fixed slot that supplies the cover body card to go into, the installation shell is provided with the seal groove that supplies the sealing ring card to go into, the space of fixed slot and seal groove is sealed by epoxy glue filling.

Through adopting above-mentioned technical scheme, the cavity closure between glass cover and the heat dissipation casing is good, and explosion-proof lamp security performance is high.

Optionally, the cover body open end outside is connected with solid fixed ring, gu fixed ring hugs closely on one side of fixing base dorsad has the clamp ring, connect through set screw between clamp ring and the fixing base.

Through adopting above-mentioned technical scheme, glass cover's fixed effectual, difficult not hard up is favorable to guaranteeing explosion-proof lamp's security.

Optionally, the end of the fin between the connecting seat and the fixing seat is connected with a flow deflector, the width of the flow deflector is greater than that of the fin, and the flow deflector extends out relative to the connecting seat.

By adopting the technical scheme, rainwater flow guiding is facilitated, and the heat dissipation performance is improved.

Optionally, a dust blocking assembly is arranged between the connecting seat and the outer edge of the fixing seat, the dust blocking assembly comprises a filter screen, and a first connecting belt and a second connecting belt which are respectively connected to two opposite sides of the filter screen, the first connecting belt is longer than the second connecting belt, one end of the second connecting belt is connected with the clamping column, and the other end of the second connecting belt is provided with a first clamping hole for the clamping column to be clamped in;

the dust blocking component has a dust blocking state, and in the state, the blocking column is clamped into the first blocking hole, the first connecting belt is abutted to the outer edge of the fixing seat, the second connecting belt is abutted to the outer edge of the connecting seat, and the gap between the connecting seat and the fixing seat is sealed by the filter screen.

Through adopting above-mentioned technical scheme, but the dust is filtered to the fender dirt subassembly, reduces the dust adhesion volume in the heat dissipation intracavity, and then guarantees the radiating effect.

Optionally, the second connecting band is provided with a second clamping hole for clamping the clamping column;

keep off dirt subassembly still has the drainage state, under this state, card post card is gone into the second card hole, second connecting band and the outer butt of following of fixing base, first connecting band is located second connecting band upside.

Through adopting above-mentioned technical scheme, when the heat dissipation chamber is washed to needs, can be manual change the dust blocking subassembly to the drainage state for the filter screen can not block the water, can also guide rivers to flow into the heat dissipation chamber, guarantees to wash the effect.

Optionally, the cover assembly includes a socket, a plug and a cable, the socket and the connecting seat are connected through a fastening screw, the socket and the plug are connected, and the cable is connected with the plug.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the ventilation design of the heat dissipation cavity improves the heat dissipation effect of the LED lamp panel, and the LED lamp panel is suitable for occasions with high-power application;

2. through the setting of keeping off dirt subassembly, adnexed dust in the reducible heat dissipation intracavity to the drainage water washes the dust, guarantees the radiating effect.

Drawings

Fig. 1 is a schematic structural view of an explosion-proof lamp according to an embodiment of the present application, in which a dust blocking assembly is in a dust blocking state;

FIG. 2 is an enlarged schematic view of area A of FIG. 1;

FIG. 3 is a schematic view of the dust guard assembly in the embodiment of the present application;

fig. 4 is a schematic structural view of an explosion-proof lamp according to an embodiment of the present application, in which the dust blocking assembly is in a flow guiding state.

Description of reference numerals: 1. a heat dissipating housing; 11. mounting a shell; 111. a heat dissipation cavity; 112. a sealing groove; 12. a fixed seat; 121. a through hole; 122. fixing grooves; 13. a fin; 14. a compression ring; 15. a set screw; 16. a flow deflector; 2. an LED lamp panel; 3. a glass cover; 31. a cover body; 311. a vent hole; 32. a seal ring; 33. a fixing ring; 4. a connecting seat; 41. threading holes; 42. connecting holes; 5. a driving power supply; 6. a closure assembly; 61. a socket; 62. a plug; 63. a cable; 64. fastening screws; 7. a power line; 8. a connecting screw; 9. a dust blocking assembly; 91. filtering with a screen; 92. a first connecting belt; 93. a second connecting band; 931. clamping the column; 932. a first card hole; 933. a second card hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses explosion-proof lamp convenient to heat dissipation. Referring to fig. 1, the explosion-proof lamp includes heat dissipation casing 1, LED lamp panel 2, glass cover 3, connecting seat 4, drive power supply 5, closing cap subassembly 6, power cord 7, connecting screw 8 and keep off dirt subassembly 9.

Referring to fig. 1, the heat dissipation housing 1 includes a mounting shell 11, the mounting shell 11 is in an annular cylinder shape and has a vertical axis, and an inner diameter of the mounting shell 11 gradually decreases from top to bottom along the axis thereof, so that the mounting shell 11 is in an inverted cone shape. The inner cavity of the mounting shell 11 is a heat dissipation cavity 111, and the upper end and the lower end of the heat dissipation cavity are communicated with the outside. The outer side of the upper end of the mounting shell 11 is fixedly connected with a fixed seat 12, and the fixed seat 12 is in an annular disc shape.

Referring to fig. 1, LED lamp plate 2 encircles and installs in 11 outer walls of installation shell, passes through the fix with screw between LED lamp plate 2 and the installation shell 11, and the screw does not communicate with heat dissipation cavity 111. A plurality of LED lamp beads are distributed on the LED lamp panel 2 at intervals, and the lighting effect is achieved.

Referring to fig. 1 and 2, the glass cover 3 is arranged outside the mounting shell 11 and plays a role in sealing the LED lamp panel 2 and the external environment. The glass cover 3 comprises a cover body 31 in the shape of a circular arch, the opening of the cover body 31 faces upwards, and an annular sealing ring 32 and an annular fixing ring 33 are fixedly connected to the inner side of the top end of the cover body 31 and the outer side of the opening end. The fixing base 12 is provided with a fixing groove 122 for the opening end of the cover 31 to be clamped in, and the fixing ring 33 is attached to the fixing base 12 when the cover 31 is clamped in the fixing groove 122. The lower end of the mounting shell 11 is provided with a sealing groove 112 for the sealing ring 32 to be clamped in, and a gap between the fixing groove 122 and the sealing groove 112 is filled and sealed by epoxy resin glue. Therefore, the glass cover 3 and the heat dissipation shell 1 form a closed space, the LED lamp panel 2 is located in the closed space, and the safety of the explosion-proof lamp is high. The fixing ring 33 is tightly attached to one side, facing away from the fixing seat 12, of the pressing ring 14, and the pressing ring 14 is connected with the fixing seat 12 through a fixing screw 15.

Referring to fig. 1, the connecting seat 4 is connected to the upper side of the fixing seat 12, and the driving power source 5 is fixedly connected to the upper side of the connecting seat 4. The cover assembly 6 comprises a socket 61, a plug 62 and a cable 63, wherein the socket 61 is connected to the upper side of the connecting seat 4, the plug 62 is connected to the upper side of the socket 61, and the cable 63 is connected with the plug 62. The socket 61 comprises a power supply cavity shell and a wiring board which is arranged at the upper end of the power supply cavity shell and is electrically connected with the plug 62, and the plug 62 is in threaded connection with the power supply cavity shell. The power supply cavity shell covers the driving power supply 5, so that the driving power supply 5 is sealed from the external environment, and the power supply cavity shell is connected with the connecting seat 4 through a fastening screw 64. The driving power supply 5 is connected with the wiring board and the LED lamp panel 2 through a power line 7. Further, the specific structure of the cover assembly 6 is the prior art, and is not described herein again.

Referring to fig. 1 and 2, the connecting seat 4 is connected with the fixing seat 12 through a connecting screw 8, the connecting seat 4 is provided with a connecting hole 42 for the connecting screw 8 to be clamped in, and the head of the connecting screw 8 faces upwards and can completely enter the connecting hole 42. The fixing seat 12 is provided with a through hole 121 for the power cord 7 to pass through, the connecting seat 4 is provided with a threading hole 41 for the power cord 7 to pass through, and the through hole 121 is communicated with the threading hole 41. The openings of the connecting holes 42, the through holes 121 and the threading holes 41 are filled and sealed by epoxy resin glue. The joint of the connecting seat 4 and the fixed seat 12 is jointed with the through wire, a gap is reserved between the rest positions, and the outer diameter of the fixed seat 12 is larger than that of the connecting seat 4.

Referring to fig. 1, a plurality of fins 13 are fixedly connected to the inner wall of the mounting shell 11 at intervals along the circumferential direction thereof, the fins 13 extend to the gap between the fixing seat 12 and the connecting seat 4 along the lower end of the mounting shell 11, the portion of the fins 13 on the upper side of the fixing seat 12 is fixedly connected to the fixing seat 12, and the end portion of the fins 13 between the connecting seat 4 and the fixing seat 12 is fixedly connected to a deflector 16. The width of the flow deflector 16 is larger than that of the fin 13, and the flow deflector 16 extends out relative to the connecting seat 4 in vertical projection.

Referring to fig. 1, heat generated by the LED lamp panel 2 is conducted to the heat dissipation cavity 111 through the mounting shell 11, and air flows through the gap between the fixing base 12 and the connecting base 4, the heat dissipation cavity 111 and the ventilation holes 311 to take away the heat, so that a rapid heat dissipation effect is achieved. In rainy days, rainwater falls on the outer edge of the fixed seat 12 and flows into the heat dissipation cavity 111 along the gap between the adjacent fins 13, and finally flows out of the vent holes 311, dust is effectively removed, and the heat dissipation effect is ensured.

Referring to fig. 1 and 2, the dust blocking assembly 9 is connected between the outer edges of the connecting base 4 and the fixing base 12, and the dust blocking assembly 9 includes a filter screen 91, and a first connecting belt 92 and a second connecting belt 93 fixedly connected to the upper and lower opposite sides of the filter screen 91, respectively. Filter screen 91 is rectangular shape and can encircle between the outer edge of connecting seat 4 and fixing base 12, hinders the clearance that the dust got into fixing base 12 and fixing base 12.

Referring to fig. 2 and 3, the first connecting belt 92 is longer than the second connecting belt 93, and the length of one side of the filter screen 91 is greater than that of the other side, so that the filter screen 91 is inclined around the vertical axis and then has a cross section. One end of the second connecting band 93 is an end a, the other end is an end B, the end a is fixedly connected with a clamping column 931, and the end B is provided with a first clamping hole 932 and a second clamping hole 933 for the clamping column 931 to be clamped in an interference manner. The second card hole 933 is closer to the B-end than the first card hole 932, so that the loop diameter of the second connection band 93 is larger when the card column 931 is clipped into the second card hole 933.

Referring to fig. 2, the dust blocking assembly 9 has a dust blocking state, the locking pin 931 is locked into the first locking hole 932, and the second connecting band 93 is a small ring. The first connecting belt 92 abuts against the outer edge of the fixed seat 12, the second connecting belt 93 abuts against the outer edge of the connecting seat 4, and the filter screen 91 seals a gap between the connecting seat 4 and the fixed seat 12. The outer edge of the fixing seat 12 is provided with an inclined surface for the second connecting belt 93 to be attached, so that the placing stability of the dust blocking assembly 9 is ensured. In this state, the filter screen 91 can block dust from entering the fixing base 12 and the gap between the fixing bases 12.

Referring to fig. 4, the dust blocking assembly 9 has a flow guiding state, the locking pin 931 is locked in the second locking hole 933, and the second connecting band 93 is a large ring. The dust blocking assembly 9 is inverted, so that the second connecting belt 93 is abutted against the inclined outer edge of the fixed seat 12, and the first connecting belt 92 is positioned on the upper side of the second connecting belt 93. When the heat dissipation cavity 111 is washed, the filter screen 91 can not block water, and water can be guided to flow into the heat dissipation cavity 111, so that the washing effect is ensured.

The implementation principle of the explosion-proof lamp convenient to heat dissipation of the embodiment of the application is as follows:

the air flows through the gap between the fixed seat 12 and the connecting seat 4, the heat dissipation cavity 111 and the ventilation holes 311 to take away heat generated by the LED lamp panel 2, and the effect of rapid heat dissipation is achieved.

When dust in the heat dissipation cavity 111 needs to be washed, the clamping column 931 and the first clamping hole 932 are unfastened, the dust blocking component 9 is inverted and surrounds the fixing seat 12, the clamping column 931 is clamped into the second clamping hole 933, the dust blocking component 9 is changed from a dust blocking state to a drainage state, and finally, the dust is washed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an explosion-proof lamp convenient to heat dissipation, includes heat dissipation casing (1), LED lamp plate (2), glass cover (3), connecting seat (4), drive power supply (5) and closing cap subassembly (6), its characterized in that: the heat dissipation shell (1) comprises an annular installation shell (11) and a fixed seat (12) connected to the outer side of one end of the installation shell (11), the installation shell (11) is hollow and penetrates to form a heat dissipation cavity (111), a plurality of fins (13) are arranged on the inner side of the installation shell (11) at intervals along the circumferential direction, and the LED lamp panel (2) is arranged on the outer side of the installation shell (11);

the glass cover (3) is connected with the fixed seat (12) and covers the mounting shell (11), the top end of the glass cover (3) is provided with a vent hole (311) communicated with the heat dissipation cavity (111), the connecting seat (4) is connected to one side, back to the glass cover (3), of the fixed seat (12), the driving power supply (5) is arranged on one side, back to the heat dissipation shell (1), of the connecting seat (4), and the sealing cover assembly (6) is connected with the connecting seat (4);

a gap is formed between the connecting seat (4) and the fixed seat (12), and the fin (13) extends into the gap between the connecting seat (4) and the fixed seat (12);

the outer diameter of the fixed seat (12) is larger than that of the connecting seat (4), and the inner diameter of the mounting shell (11) is gradually reduced along the direction departing from the fixed seat (12);

the end part of the fin (13) between the connecting seat (4) and the fixed seat (12) is connected with a flow deflector (16), the width of the flow deflector (16) is larger than that of the fin (13), and the flow deflector (16) extends out relative to the connecting seat (4);

a dust blocking assembly (9) is arranged between the outer edges of the connecting seat (4) and the fixing seat (12), the dust blocking assembly (9) comprises a filter screen (91), a first connecting belt (92) and a second connecting belt (93) which are respectively connected to two opposite sides of the filter screen (91), the first connecting belt (92) is longer than the second connecting belt (93), one end of the second connecting belt (93) is connected with a clamping column (931), and the other end of the second connecting belt is provided with a first clamping hole (932) for the clamping column (931) to be clamped in;

the dust blocking assembly (9) has a dust blocking state, in the dust blocking state, the clamping column (931) is clamped into the first clamping hole (932), the first connecting belt (92) is abutted to the outer edge of the fixed seat (12), the second connecting belt (93) is abutted to the outer edge of the connecting seat (4), and the filter screen (91) closes a gap between the connecting seat (4) and the fixed seat (12);

the second connecting belt (93) is provided with a second clamping hole (933) for clamping the clamping column (931);

keep off dirt subassembly (9) and still have the drainage state, under this state, second card hole (933) is gone into to card post (931) card, second connecting band (93) and fixing base (12) outer along the butt, first connecting band (92) are located second connecting band (93) upside.

2. The explosion-proof lamp facilitating heat dissipation according to claim 1, wherein: the driving power supply (5) is connected with the LED lamp panel (2) through a power line (7), the fixing seat (12) is provided with a through hole (121) for the power line (7) to pass through, the connecting seat (4) is provided with a threading hole (41) for the power line (7) to pass through, the fixing seat (12) is connected with the connecting seat (4) through a connecting screw (8), and the connecting seat (4) is provided with a connecting hole (42) for the connecting screw (8) to be clamped into; the opening of the connecting hole (42), the through hole (121) and the threading hole (41) are filled and sealed by epoxy resin glue.

3. The explosion-proof lamp facilitating heat dissipation according to claim 1, wherein: glass cover (3) are including the cover body (31), connect in the inboard sealing ring (32) in the cover body (31) top, fixing base (12) are provided with the fixed slot (122) that supply the cover body (31) card to go into, installation shell (11) are provided with seal groove (112) that supply sealing ring (32) card to go into, the space of fixed slot (122) and seal groove (112) is sealed by epoxy glue filling.

4. The explosion-proof lamp facilitating heat dissipation according to claim 3, wherein: the utility model discloses a fixing structure for the mask, including the cover body (31), fixed ring (33) is connected with fixed ring (33) outside the open end of cover body (31), fixed ring (33) hug closely to one side of fixing base (12) dorsad has clamp ring (14), connect through set screw (15) between clamp ring (14) and fixing base (12).

5. The explosion-proof lamp facilitating heat dissipation according to claim 1, wherein: the cover assembly (6) comprises a socket (61), a plug (62) and a cable (63), the socket (61) is connected with the connecting seat (4) through a fastening screw (64), the socket (61) is connected with the plug (62), and the cable (63) is connected with the plug (62).