CN104421804A - LED explosion-proof firefighting emergency lamp - Google Patents
LED explosion-proof firefighting emergency lamp Download PDFInfo
- Publication number
- CN104421804A CN104421804A CN201310362223.8A CN201310362223A CN104421804A CN 104421804 A CN104421804 A CN 104421804A CN 201310362223 A CN201310362223 A CN 201310362223A CN 104421804 A CN104421804 A CN 104421804A
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- Prior art keywords
- led
- explosion
- proof
- housing
- emergency lamp
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/022—Emergency lighting devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2111/00—Light sources of a form not covered by groups F21Y2101/00-F21Y2107/00
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an LED explosion-proof firefighting emergency lamp. The LED explosion-proof firefighting emergency lamp comprises a shell, a surface cover, an explosion-proof joint structure, a control rod component and a transparent piece, wherein the shell has an opening; a mounting flange encircling the opening for a lap is arranged at the periphery of the opening of the shell, and is provided with a first plane explosion-proof joint surface; a thread hole and a mounting hole are formed in the side wall of the shell; the surface cover covers the opening of the shell, and is provided with a second plane explosion-proof joint surface pressed against the first plane explosion-proof joint surface; the explosion-proof joint structure is mounted in the thread hole, and comprises a pressing nut and a filling piece; the control rod component is mounted in the mounting hole, is used for controlling the working state of the LED explosion-proof firefighting emergency lamp, and comprises a control rod, an opening retainer ring, an O-shaped sealing ring, a button cap and a return elastic piece; the transparent piece is mounted in a step part of the surface cover; and a gap is formed between the periphery of the transparent piece and the side wall of the step part; and seal gum is filled in the gap. The LED explosion-proof firefighting emergency lamp has the explosion-proof function.
Description
[technical field]
The present invention relates to a kind of fire emergency lamp, particularly relate to the explosion-proof fire emergency lamp of a kind of LED.
[background technology]
Current fire-fighting emergent identification lamp tool is all civilian light fixture mostly, and these light fixtures are applicable general place only, and to some specific environments, if any the environment that damp may occur, these light fixtures just can not use.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of explosion-proof fire-fighting emergent identification lamp tool of LED with explosion prevention function.
The explosion-proof fire emergency lamp of a kind of LED, it comprises:
There is the housing of opening, the opening periphery of described housing is provided with around the described opening mounting flange of a week, described mounting flange is provided with the first flanged flameproof joint, the sidewall of described housing is provided with screwed hole and installing hole, the hole wall of described screwed hole is flame proof thread composition surface, and the hole wall of described installing hole is cylindrical flameproof joint;
Lid is located at the cover of the opening of described housing, the middle part of described cover offers window opening, and the inner surface periphery of described cover is provided with the second flanged flameproof joint, described second flanged flameproof joint abuts with described first flanged flameproof joint, to be connected to form plane flame-proof structure at the opening periphery of described cover and described housing; The periphery of described window opening is provided with stage portion, and described stage portion was around one week of described window opening;
Be arranged on the flame proof joint design in described screwed hole, described flame proof joint design comprises clamp nut and packing element, described clamp nut and described screwed hole are screwed, to form threaded flame-proof type structure, and described clamp nut is positioned at described screw one end near described hull outside wall, described packing element is filled in described screwed hole one end on the madial wall of described housing, and described packing element is provided with the cable-through hole passed for wire;
Be arranged in described installing hole, and for the control lever assembly of the duty that controls the explosion-proof fire emergency lamp of described LED, described control lever assembly comprises control lever, split washer, O RunddichtringO, button cap and return springs, described control lever is through described installing hole, and coordinate with the cylindrical flameproof joint of described installing hole and form explosion-proof cylinder structure, described split washer is held in one end of described control lever, and be positioned at the side of described case inside wall, described button cap is fixed on the other end of described control lever, deviate from described installing hole to prevent described control lever, described O RunddichtringO is set on described control lever, and be connected to described split washer and described mounting hole site between the openend of the madial wall of described housing, to seal between the openend of described installing hole and described control lever, described return springs is set on described control lever, and be connected between described button cap and described housing, to provide an elastic-restoring force to described button cap, and
Be arranged on the Transparent Parts in the stage portion of described cover, all gap is there is between the periphery of described Transparent Parts and the sidewall of described stage portion, and described gap is around the periphery one week of described Transparent Parts, be filled with fluid sealant in described gap, jointly form an explosion-proof chamber to make described Transparent Parts and described cover and described housing.
Plane flame-proof structure is formed between the opening of the housing of the explosion-proof fire emergency lamp of above-mentioned LED and cover, threaded flame-proof type structure is formed between flame proof joint design and the screwed hole of housing, explosion-proof cylinder structure is formed between control lever assembly and the installing hole of housing, thus make Transparent Parts and cover and housing jointly form an explosion-proof chamber, other electronic building bricks of the explosion-proof fire emergency lamp of LED can be arranged in this explosion-proof chamber, therefore, the explosion-proof fire emergency lamp of above-mentioned LED has explosion prevention function, NFA safety and anti-explosion safety requirement can be met, meet GB17945-2010 fire protection criteria and the requirement of GB3836-2010 explosion-proof criteria.
Wherein in an embodiment, the lateral wall of described housing is also provided with the button hole be connected with described installing hole, the aperture of described button hole is greater than the aperture of described installing hole, described button cap is arranged in described button hole, and along described button hole hole wall slidably, the end face of described button cap one end is provided with annular slot, and one end of described return springs is held in described annular slot, and the other end abuts with the diapire of described button hole.
Wherein in an embodiment, described flame proof joint design also comprises the first plain washer, described first plain washer is clamped between described clamp nut and described packing element, described control lever assembly also comprises the second plain washer, described second plain washer is set on described control lever, and is connected between described split washer and described O RunddichtringO.
Wherein in an embodiment, the described fluid sealant degree of depth be filled in described gap is greater than 10 millimeters; The number of threads that the external screw thread of described clamp nut is meshed with the internal thread of described screwed hole is greater than 8, and intermeshing thread segment length is greater than 10 millimeters; The width of described first flanged flameproof joint and described second flanged flameproof joint is all more than or equal to 15 millimeters, and the fit clearance of described first flanged flameproof joint and described second flanged flameproof joint is less than or equal to 0.15 millimeter.
Wherein in an embodiment, the opposite end of the bottom of described housing is respectively equipped with mounting bracket, and each mounting bracket is provided with the draw-in groove passed for threaded fasteners.
Wherein in an embodiment, also comprise the seal of annular, described second flanged flameproof joint is provided with the seal groove of annular, described seal groove is around the periphery one week of described cover, described seal is arranged on described seal groove, and abuts with described first flanged flameproof joint outside the outstanding described seal groove of part.
Wherein in an embodiment, also comprise light guide plate, multiple LED lamp bar and Warning Mark film, described light guide plate is arranged in described explosion-proof chamber, and correspondingly with described Transparent Parts arranges; Described multiple LED lamp bar is arranged on the relative two sides of described light guide plate, and the pcb board that described LED lamp bar comprises strip and the multiple spaced green LED chip be located on described pcb board, the side of the corresponding described light guide plate of described green LED chip is arranged; Described Warning Mark film is clamped between described Transparent Parts and described light guide plate.
Wherein in an embodiment, described light guide plate is rectangle, described light guide plate has exiting surface, the bottom surface relative with described exiting surface and four sides be connected with described exiting surface and described bottom surface, wherein two opposite flanks of corresponding described LED lamp bar are incidence surface, the first backlight paper is posted in two other opposite flank, described incidence surface posts multiple spaced second backlight paper, gap between corresponding adjacent two the described second backlight paper of described green LED chip is arranged, described bottom surface is provided with reflective membrane, described incidence surface and described Warning Mark film are oppositely arranged.
Wherein in an embodiment, also comprise multiple light guide plate pressing plate, described multiple light guide plate pressing plate is fixed on the bottom of described housing by threaded fasteners, and pressure holding is at the periphery of the exiting surface of described light guide plate, with fixing described light guide plate.
Wherein in an embodiment, also comprise LED Unit, described light guide plate is provided with three through holes running through described exiting surface and described bottom surface, described LED Unit is fixed on the bottom of described housing, and described LED Unit is provided with light touch switch buttons and LED green glow indicator lamp corresponding with described three through holes respectively, LED ruddiness indicator lamp and LED gold-tinted indicator lamp, when the explosion-proof fire emergency lamp of described LED is in main electricity condition, then described LED green glow indicator lamp lights, when the explosion-proof fire emergency lamp of described LED is in charged state, then described LED ruddiness indicator lamp lights, when the explosion-proof fire emergency lamp of described LED is in malfunction, then described LED gold-tinted indicator lamp lights, described light touch switch buttons has the self-resetting type test button of simulation mains power failure and controls to turn off the effect of the nonstick button that emergency exports.
[accompanying drawing explanation]
Fig. 1 is the stereogram of the explosion-proof fire emergency lamp of LED of embodiment of the present invention;
Fig. 2 is the exploded view of the explosion-proof fire emergency lamp of the LED shown in Fig. 1;
Fig. 3 is the stereogram of the housing of the explosion-proof fire emergency lamp of the LED shown in Fig. 1;
Fig. 4 is the stereogram at another visual angle of housing of the explosion-proof fire emergency lamp of the LED shown in Fig. 1;
Fig. 5 is the stereogram of the cover of the explosion-proof fire emergency lamp of the LED shown in Fig. 1;
Fig. 6 is the stereogram at another visual angle of cover of the explosion-proof fire emergency lamp of the LED shown in Fig. 1;
Fig. 7 is the profile along A-A line in Fig. 1;
Fig. 8 is the enlarged drawing of the VIII part in Fig. 7;
Fig. 9 is the enlarged drawing of the X part in Fig. 7;
Figure 10 is the exploded view of the control lever assembly of the explosion-proof fire emergency lamp of the LED shown in Fig. 1;
Figure 11 is the structural representation of the light guide plate of the explosion-proof fire emergency lamp of the LED shown in Fig. 1;
Figure 12 is the structural representation of the LED lamp bar of the explosion-proof fire emergency lamp of the LED shown in Fig. 1;
Figure 13 is the structural representation of the Warning Mark film of the explosion-proof fire emergency lamp of the LED shown in Fig. 1.
[detailed description of the invention]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1 and Fig. 2, the explosion-proof fire emergency lamp 100 of LED of embodiments of the present invention, it comprises housing 110, cover 120, flame proof joint design 130, control lever assembly 140 and Transparent Parts 150.
See also Fig. 3 and Fig. 4, housing 110 has opening 111, and the periphery of the opening 111 of housing 110 is provided with around the opening mounting flange of 111 1 weeks 113.Mounting flange 113 is provided with the first flanged flameproof joint 115.The sidewall of housing 110 is provided with screwed hole 116 and installing hole 117.The hole wall of screwed hole 116 is flame proof thread composition surface, and the hole wall of installing hole 117 is cylindrical flameproof joint.
Specifically in the illustrated embodiment in which, housing 110 is rectangular case structure, they four side plates comprising base plate and be fixedly connected with four peripheries of described base plate respectively, and these four side plates connect around base plate, and form this opening 111.This mounting flange 113 extends perpendicular to the outside of these four side plates towards side plate.Two relative side plates are respectively equipped with screwed hole 116, and one of them side plate is provided with installing hole 117 simultaneously.
Further, the opposite end of the bottom of housing 110 is respectively equipped with mounting bracket 118, and each mounting bracket 118 is provided with the draw-in groove 118a passed for threaded fasteners.Threaded fasteners is spirally connected with supporter through after this draw-in groove 118a, thus fix dismountable for explosion-proof for LED fire emergency lamp 100 on a support, when the explosion-proof fire emergency lamp 100 of this LED of needs detachable maintaining, the threaded fasteners on one of them mounting bracket 118 is only needed to disassemble, threaded fastener on another mounting bracket 118 only need loosen, and without the need to all disassembling, thus improve maintenance efficiency.
See also Fig. 5 and Fig. 6, cover 120 lid is located at the opening 111 of housing 110, and the middle part of cover 120 offers window opening 121, and the inner surface periphery of cover 120 is provided with the second flanged flameproof joint 125.Second flanged flameproof joint 125 abuts with the first flanged flameproof joint 115, to be connected to form plane flame-proof structure at cover 120 and opening 111 periphery of housing 110.The periphery of window opening 121 is provided with stage portion 126, and stage portion 126 was around one week of window opening 121.
Specifically in the illustrated embodiment, cover 120 is the rectangle frame structure suitable with the shape of the opening 111 of housing 110.The width of the first flanged flameproof joint 115 of housing 110 and the second flanged flameproof joint 125 of cover 120 is all more than or equal to 15 millimeters, and the first flanged flameproof joint 115 of housing 110 is less than or equal to 0.15 millimeter with the fit clearance of the second flanged flameproof joint 125 of cover 120.
Further, the explosion-proof fire emergency lamp 100 of LED also comprises the seal 160 of annular, second flanged flameproof joint 125 is provided with the seal groove 127 of annular, seal groove 127 is around the periphery one week of cover 120, seal 160 is arranged on seal groove 127, and abuts with the first flanged flameproof joint 115 outside the outstanding seal groove 127 of part.Because seal 160 is clamped between the first flanged flameproof joint 115 of housing 110 and the second flanged flameproof joint 125 of cover 120, with the sealing of the first flanged flameproof joint 115 with the second flanged flameproof joint 125 of cover 120 that increase housing 110, and then improve the explosion insulation performance of the explosion-proof fire emergency lamp 100 of LED.
Further, cover 120 and housing 110 are threaded connection assembly 170 and removably connect, this screwed assembly 170 comprises soket head cap screw 171, nut 173 and nut anti-falling sheet 175, described soket head cap screw 171 through after the outer edge of the second flanged flameproof joint 125 of cover 120 and the outer edge of the first flanged flameproof joint 115 of housing 110, is screwed with described nut 173 successively.Described nut anti-falling sheet 175 is set on the screw rod of soket head cap screw 171, and abuts against to stop that nut 173 comes off with nut 173.First, owing to adopting soket head cap screw 171, need by specific purpose tool during dismounting, and free-hand being difficult to dismantles, thus improve the safety in utilization of the explosion-proof fire emergency lamp 100 of LED.Secondly, soket head cap screw 171 is through the outer edge of the second flanged flameproof joint 125 of cover 120 and the outer edge of the first flanged flameproof joint 115 of housing 110, and the inside edge of the inside edge of the second flanged flameproof joint 125 of cover 120 and the first flanged flameproof joint 115 of housing 110 keeps continuous sealing, thus soket head cap screw 171 is avoided to affect the second flanged flameproof joint 125 of cover 120 and the explosion insulation performance of the first flanged flameproof joint 115 of housing 110; Moreover, the screw rod of soket head cap screw 171 is arranged with the nut anti-falling sheet 175 stopping nut 173.
See also Fig. 7 and Fig. 8, flame proof joint design 130 is arranged in the screwed hole 116 of housing 110, and flame proof joint design 130 comprises clamp nut 131 and packing element 133.Clamp nut 131 and screwed hole 116 are screwed, and to form threaded flame-proof type structure, and clamp nut 131 is positioned at screw one end near housing 110 lateral wall.Packing element 133 is filled in screwed hole 116 one end on the madial wall of housing 110, and packing element 133 is provided with the cable-through hole (figure does not mark) passed for wire.
Specifically in the illustrated embodiment in which, flame proof joint design 130 is two, and is arranged on respectively in two screwed holes 116 of housing 110.Clamp nut 131 comprises cylindrical shell and is located at the instrument flange of cylindrical shell one end, and this instrument flange is regular hexagon, and around the end one week of cylindrical shell, flame proof thread extends to instrument flange from the middle part of cylindrical shell.By this instrument flange of spanner clamping, rotatably this clamp nut 131.
Further, the number of threads that the external screw thread of clamp nut 131 is meshed with the internal thread of screwed hole 116 is greater than 8, and intermeshing thread segment length is greater than 10 millimeters.
Further, flame proof joint design 130 also comprises the first plain washer 135, first plain washer 135 and is clamped between clamp nut 131 and packing element 133, to increase sealing and the explosion insulation performance of flame proof joint design 130.
See also Fig. 9 and Figure 10, control lever assembly 140 is arranged in installing hole 117, and for the duty of the explosion-proof fire emergency lamp 100 of control LED.Control lever assembly 140 comprises control lever 141, split washer 142, O RunddichtringO 143, button cap 145 and return springs 146.
Control lever 141 through the installing hole 117 of housing 110, and coordinates with the cylindrical flameproof joint of installing hole 117 and forms explosion-proof cylinder structure.Split washer 142 is held in one end of control lever 141, and is positioned at the side of housing 110 madial wall.
Button cap 145 is fixed on the other end of control lever 141, deviates from installing hole 117 to prevent control lever 141.Specifically in the illustrated embodiment in which, one end of control lever 141 is provided with stud, and the middle part of button cap 145 is provided with the screw be screwed with this stud, thus button cap 145 is removably fixed on one end of control lever 141.
Further, the lateral wall of housing 110 is also provided with the button hole 114 be connected with installing hole 117, the aperture of button hole 114 is greater than the aperture of installing hole 117, and button cap 145 is arranged in button hole 114, and along button hole 114 hole wall slidably.Because housing 110 is provided with button hole 114, it plays guide effect to button cap 145, and button cap 145 can not at will be swung when slip, to avoid affecting control lever 141 and O RunddichtringO 143, thus improves the sealing of control lever assembly 140.
O RunddichtringO 143 is set on control lever 141, and is connected to split washer 142 and installing hole 117 between the openend of the madial wall of housing 110, to seal between the openend of installing hole 117 and control lever 141.Specifically in the illustrated embodiment in which, control lever assembly 140 also comprises the second plain washer 147, second plain washer 147 and is set on control lever 141, and is connected between split washer 142 and O RunddichtringO 143, thus improve the fix tightly solidity of O RunddichtringO 143, and then improve sealing.
Return springs 146 is set on control lever 141, and is connected between button cap 145 and housing 110, to provide an elastic-restoring force to button cap 145.Concrete in the illustrated embodiment in which, the Compress Spring that return springs 146 abuts with button cap 145 with housing 110 respectively for being set on control lever 141 and two ends.Certainly, in the present invention, return springs 146 also can be other structures, such as, and the elastic caoutchouc cylinder that return springs 146 abuts with button cap 145 with housing 110 respectively for being set on control lever 141 and two ends.
Further, the end face of button cap 145 one end is provided with annular slot 145a, and one end of return springs 146 is held in annular slot 145a, and the other end abuts with the diapire of button hole 114.One end due to return springs 146 is held in annular slot 145a, and with position reset elastic component 146, the end preventing return springs 146 from abutting with button cap 145 is distorted when being out of shape, and avoids having influence on button cap 145.
Transparent Parts 150 is arranged in the stage portion 126 of cover 120, all there is gap between the periphery of Transparent Parts 150 and the sidewall of stage portion 126, and gap is around the periphery one week of Transparent Parts 150.Be filled with fluid sealant (not shown) in gap, jointly form an explosion-proof chamber to make Transparent Parts 150 with cover 120 and housing 110.Specifically in the illustrated embodiment in which, Transparent Parts 150 is rectangular glass.The fluid sealant degree of depth be filled in gap is greater than 10 millimeters.
See also Fig. 2, Figure 11, Figure 12 and Figure 13, the explosion-proof fire emergency lamp of LED 100 also comprises light guide plate 181, multiple LED lamp bar 183 and Warning Mark film 185, and light guide plate 181 is arranged in explosion-proof chamber, and correspondingly with Transparent Parts 150 arranges.Multiple LED lamp bar 183 is arranged on the relative two sides of light guide plate 181, and the side of the pcb board 183a that LED lamp bar 183 comprises strip and the corresponding light guide plate 181 of the multiple spaced green LED chip 183b be located on pcb board 183a, green LED chip 183b is arranged.Warning Mark film 185 is clamped between Transparent Parts 150 and light guide plate 181.
Specifically in the illustrated embodiment in which, light guide plate 181 is rectangle, four sides that light guide plate 181 has exiting surface, the bottom surface relative with exiting surface and is connected with exiting surface and bottom surface, wherein two opposite flanks of corresponding LED lamp bar 183 are incidence surface, the first backlight paper is posted in two other opposite flank, incidence surface posts multiple spaced second backlight paper, gap between corresponding adjacent two the second backlight paper of green LED chip 183b is arranged, bottom surface is provided with reflective membrane, and incidence surface and Warning Mark film 185 are oppositely arranged.
Further, Warning Mark film 185 comprises transparent mark region 185a and lighttight non-mark region 185b, mark region 185a form required pattern.
Further, the explosion-proof fire emergency lamp of LED 100 also comprises multiple light guide plate pressing plate 186, and multiple light guide plate pressing plate 186 is fixed on the bottom of housing 110 by threaded fasteners, and pressure holding is at the periphery of the exiting surface of light guide plate 181, with lightguide plate fixing 181.
Further, the explosion-proof fire emergency lamp 100 of LED also comprises LED Unit 187, light guide plate 181 is provided with three the through hole 181a running through exiting surface and bottom surface, LED Unit 187 is fixed on the bottom of housing 110, and LED Unit 187 is provided with light touch switch buttons and LED green glow indicator lamp corresponding with three through hole 181a respectively, LED ruddiness indicator lamp and LED gold-tinted indicator lamp, when the explosion-proof fire emergency lamp of LED 100 is in main electricity condition, then LED green glow indicator lamp lights, when the explosion-proof fire emergency lamp 100 of LED is in charged state, then LED ruddiness indicator lamp lights, when the explosion-proof fire emergency lamp 100 of LED is in malfunction, then LED gold-tinted indicator lamp lights, light touch switch buttons has the self-resetting type test button of simulation mains power failure and controls to turn off the effect of the nonstick button that emergency exports.
Further, the explosion-proof fire emergency lamp 100 of LED also comprises drive plate 188, the bottom wall of inner cavity of housing 110 is provided with multiple fixed leg 119, fixed leg 119 is arranged perpendicular to the bottom wall of inner cavity of housing 110, and the end face of the free end of fixed leg 119 is provided with screw, screw that is rear through drive plate 188 by threaded fasteners and fixed leg 119 is screwed, thus is fixed in housing 110 by drive plate 188.
Below in conjunction with specific embodiment, the explosion-proof fire emergency lamp 100 of above-mentioned LED is described.
On the whole, the Transparent Parts 150 of the explosion-proof fire emergency lamp 100 of LED, cover 120, housing 110, sealing ring, control lever assembly 140, flame proof joint design 130 form an independence and the explosion-proof chamber of sealing jointly.Wherein, the plane engaging surface of housing 110 and cover 120 be flameproof joint (namely, first flanged flameproof joint 115, second flanged flameproof joint 125), control lever 141 forms cylinder explosion suppresion surface with the installing hole 117 of housing 110 side, and clamp nut 131 forms threaded flame-proof type face with the screwed hole 116 of housing 110.
Housing 110 and cover 120 shaping by aluminium alloy compression casting, shape is rectangle, the flameproof joint of housing 110 and cover 120 adopts screwed assembly 170 to lock, side, housing 110 two ends has a G3/4 interface respectively, compress for lead-in cable clamp nut 131, one end side is provided with circular installing hole 117, assembles for control lever 141 and button cap 145, and control lever 141 forms cylinder flame proof with installing hole 117 inwall of housing 110 side.Bottom housing 110, there are two mounting brackets 118 being with draw-in groove 118a at two ends, for lamp installation.Housing 110 inside is provided with the fixed leg 119 with screw, for assembling each part.The explosion-proof inside mating surfaces of cover 120 is designed with seal groove 127, for fitting tight part 160, realize housing 110 to protect with the IP66 of cover 120, a rectangular window opening 121 is had in the middle of cover 120, inner side is provided with stage portion 126, assembles and use silica gel rubber seal edge for Transparent Parts 150.Transparent Parts 150 is safety glass.Inside cover 120, sealing limit rib is distributed with screwed hole 116, for lightguide plate fixing 181.
Warning Mark film 185, light guide plate 181, drive plate 188, LED Unit 187, battery, junction block are placed in explosion-proof chamber, meet anti-explosion safety requirement.LED lamp bar 183 be by green glow paster low-power LED paster on pcb board 183a.Warning Mark film 185 is PC film, and mark region is clear area, and non-mark region is the light tight district of bottle green.The material of light guide plate 181 is acrylic, and 0.2mm backlight paper is pasted in the left and right sides, the non-LED region in corner and upper and lower both sides, and the thick reflective membrane of 0.1mm is pasted at the back side, and the material of reflective membrane is PET, and color is white.LED green glow indicator lamp on LED Unit 187, LED ruddiness indicator lamp and LED gold-tinted indicator lamp are respectively red, green, yellow three straw hat LED lights, green, the charged state redness of main electricity condition, malfunction displaing yellow, light touch switch buttons has the self-resetting type test button of simulation mains power failure and controls to turn off the effect of the nonstick button that emergency exports.When circuit is normal or unexpected power-off time; battery powers to the green light LED paster of LED lamp bar 183 by drive plate 188; light shines in light guide plate 181 from the side; thus whole light guide plate 181 is covered with green light; thus illuminate Warning Mark film 185; color is even, plays the effect of emergent instruction circuit.After battery is full of electricity, emergent duration can reach more than 120 minutes.Lamp package meets the requirement of GB17945 fire protection criteria.
During assembling, first Transparent Parts 150 loads in cover 120, after silica gel rubber seal, put Warning Mark film 185, cover light guide plate 181, put green light LED paster in the length direction both sides of light guide plate 181, fix with glue, then with screw, light guide plate 181 compressing tablet is compressed light guide plate 181; Then sealing ring is loaded in cover 120 seal groove 127, form cover 120 assembly; O RunddichtringO 143 is enclosed within control lever 141, then through the button hole 114 of housing 110, with spring and button cap 145 fastening; By LED Unit 187, drive plate 188, battery, junction block screw fastening in housing 110, each parts wire connects, and is connected on junction block by cable leading incoming interface lead-in cable, fastening with clamp nut 131, packing element 133.Then cover 120 assembly is covered, with screw, nut, itself and housing 110 is fastening, form the explosion-proof fire emergency lamp 100 of described LED.
Plane flame-proof structure is formed between the opening 111 of the housing 110 of the explosion-proof fire emergency lamp 100 of above-mentioned LED and cover 120, threaded flame-proof type structure is formed between the screwed hole 116 of flame proof joint design 130 and housing 110, explosion-proof cylinder structure is formed between the installing hole 117 of control lever assembly 140 and housing 110, thus make Transparent Parts 150 jointly form an explosion-proof chamber with cover 120 and housing 110, other electronic building bricks of the explosion-proof fire emergency lamp 100 of LED can be arranged in this explosion-proof chamber, therefore, the explosion-proof fire emergency lamp 100 of above-mentioned LED has explosion prevention function, NFA safety and anti-explosion safety requirement can be met, meet GB17945-2010 fire protection criteria and the requirement of GB3836-2010 explosion-proof criteria.
In addition, the explosion-proof fire emergency lamp 100 of above-mentioned LED is provided with light guide plate 181, the light that the green LED chip 183b of LED lamp bar 183 sends shines in light guide plate 181 from the side, thus whole light guide plate 181 is covered with green light, thus illuminating Warning Mark film 185, color is even, makes the brightness uniformity of the light-emitting area of Warning Mark film 185, without obvious speck or blackening, it is clear to indicate.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the explosion-proof fire emergency lamp of LED, is characterized in that, comprising:
There is the housing of opening, the opening periphery of described housing is provided with around the described opening mounting flange of a week, described mounting flange is provided with the first flanged flameproof joint, the sidewall of described housing is provided with screwed hole and installing hole, the hole wall of described screwed hole is flame proof thread composition surface, and the hole wall of described installing hole is cylindrical flameproof joint;
Lid is located at the cover of the opening of described housing, the middle part of described cover offers window opening, and the inner surface periphery of described cover is provided with the second flanged flameproof joint, described second flanged flameproof joint abuts with described first flanged flameproof joint, to be connected to form plane flame-proof structure at the opening periphery of described cover and described housing; The periphery of described window opening is provided with stage portion, and described stage portion was around one week of described window opening;
Be arranged on the flame proof joint design in described screwed hole, described flame proof joint design comprises clamp nut and packing element, described clamp nut and described screwed hole are screwed, to form threaded flame-proof type structure, and described clamp nut is positioned at described screw one end near described hull outside wall, described packing element is filled in described screwed hole one end on the madial wall of described housing, and described packing element is provided with the cable-through hole passed for wire;
Be arranged in described installing hole, and for the control lever assembly of the duty that controls the explosion-proof fire emergency lamp of described LED, described control lever assembly comprises control lever, split washer, O RunddichtringO, button cap and return springs, described control lever is through described installing hole, and coordinate with the cylindrical flameproof joint of described installing hole and form explosion-proof cylinder structure, described split washer is held in one end of described control lever, and be positioned at the side of described case inside wall, described button cap is fixed on the other end of described control lever, deviate from described installing hole to prevent described control lever, described O RunddichtringO is set on described control lever, and be connected to described split washer and described mounting hole site between the openend of the madial wall of described housing, to seal between the openend of described installing hole and described control lever, described return springs is set on described control lever, and be connected between described button cap and described housing, to provide an elastic-restoring force to described button cap, and
Be arranged on the Transparent Parts in the stage portion of described cover, all gap is there is between the periphery of described Transparent Parts and the sidewall of described stage portion, and described gap is around the periphery one week of described Transparent Parts, be filled with fluid sealant in described gap, jointly form an explosion-proof chamber to make described Transparent Parts and described cover and described housing.
2. the explosion-proof fire emergency lamp of LED as claimed in claim 1, it is characterized in that, the lateral wall of described housing is also provided with the button hole be connected with described installing hole, the aperture of described button hole is greater than the aperture of described installing hole, described button cap is arranged in described button hole, and along described button hole hole wall slidably, the end face of described button cap one end is provided with annular slot, one end of described return springs is held in described annular slot, and the other end abuts with the diapire of described button hole.
3. the explosion-proof fire emergency lamp of LED as claimed in claim 1, it is characterized in that, described flame proof joint design also comprises the first plain washer, described first plain washer is clamped between described clamp nut and described packing element, described control lever assembly also comprises the second plain washer, described second plain washer is set on described control lever, and is connected between described split washer and described O RunddichtringO.
4. the explosion-proof fire emergency lamp of LED as claimed in claim 1, it is characterized in that, the described fluid sealant degree of depth be filled in described gap is greater than 10 millimeters; The number of threads that the external screw thread of described clamp nut is meshed with the internal thread of described screwed hole is greater than 8, and intermeshing thread segment length is greater than 10 millimeters; The width of described first flanged flameproof joint and described second flanged flameproof joint is all more than or equal to 15 millimeters, and the fit clearance of described first flanged flameproof joint and described second flanged flameproof joint is less than or equal to 0.15 millimeter.
5. the explosion-proof fire emergency lamp of LED as claimed in claim 1, it is characterized in that, the opposite end of the bottom of described housing is respectively equipped with mounting bracket, and each mounting bracket is provided with the draw-in groove passed for threaded fasteners.
6. the explosion-proof fire emergency lamp of LED as claimed in claim 1, it is characterized in that, also comprise the seal of annular, described second flanged flameproof joint is provided with the seal groove of annular, described seal groove is around the periphery one week of described cover, described seal is arranged on described seal groove, and abuts with described first flanged flameproof joint outside the outstanding described seal groove of part.
7. the explosion-proof fire emergency lamp of the LED as described in any one of claim 1 ~ 6, is characterized in that, also comprise light guide plate, multiple LED lamp bar and Warning Mark film, described light guide plate is arranged in described explosion-proof chamber, and correspondingly with described Transparent Parts arranges; Described multiple LED lamp bar is arranged on the relative two sides of described light guide plate, and the pcb board that described LED lamp bar comprises strip and the multiple spaced green LED chip be located on described pcb board, the side of the corresponding described light guide plate of described green LED chip is arranged; Described Warning Mark film is clamped between described Transparent Parts and described light guide plate.
8. the explosion-proof fire emergency lamp of LED as claimed in claim 7, it is characterized in that, described light guide plate is rectangle, described light guide plate has exiting surface, the bottom surface relative with described exiting surface and four sides be connected with described exiting surface and described bottom surface, wherein two opposite flanks of corresponding described LED lamp bar are incidence surface, the first backlight paper is posted in two other opposite flank, described incidence surface posts multiple spaced second backlight paper, gap between corresponding adjacent two the described second backlight paper of described green LED chip is arranged, described bottom surface is provided with reflective membrane, described incidence surface and described Warning Mark film are oppositely arranged.
9. the explosion-proof fire emergency lamp of LED as claimed in claim 8, it is characterized in that, also comprise multiple light guide plate pressing plate, described multiple light guide plate pressing plate is fixed on the bottom of described housing by threaded fasteners, and pressure holding is at the periphery of the exiting surface of described light guide plate, with fixing described light guide plate.
10. the explosion-proof fire emergency lamp of LED as claimed in claim 8, it is characterized in that, also comprise LED Unit, described light guide plate is provided with three through holes running through described exiting surface and described bottom surface, described LED Unit is fixed on the bottom of described housing, and described LED Unit is provided with light touch switch buttons and LED green glow indicator lamp corresponding with described three through holes respectively, LED ruddiness indicator lamp and LED gold-tinted indicator lamp, when the explosion-proof fire emergency lamp of described LED is in main electricity condition, then described LED green glow indicator lamp lights, when the explosion-proof fire emergency lamp of described LED is in charged state, then described LED ruddiness indicator lamp lights, when the explosion-proof fire emergency lamp of described LED is in malfunction, then described LED gold-tinted indicator lamp lights, described light touch switch buttons has the self-resetting type test button of simulation mains power failure and controls to turn off the effect of the nonstick button that emergency exports.
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| CN201310362223.8A CN104421804B (en) | 2013-08-19 | 2013-08-19 | The explosion-proof fire emergency lamps of LED |
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| CN201310362223.8A CN104421804B (en) | 2013-08-19 | 2013-08-19 | The explosion-proof fire emergency lamps of LED |
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| CN104421804A true CN104421804A (en) | 2015-03-18 |
| CN104421804B CN104421804B (en) | 2018-05-18 |
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| CN110296380A (en) * | 2018-03-21 | 2019-10-01 | 深圳市海洋王照明工程有限公司 | Lamp cooling structure and explosion-proof light terminal |
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| CN114216088A (en) * | 2021-12-10 | 2022-03-22 | 海洋王照明科技股份有限公司 | Mining explosion-proof and intrinsically safe LED emergency lamp |
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| CN114216088A (en) * | 2021-12-10 | 2022-03-22 | 海洋王照明科技股份有限公司 | Mining explosion-proof and intrinsically safe LED emergency lamp |
| CN116336404A (en) * | 2023-05-29 | 2023-06-27 | 安徽江天大数据科技股份有限公司 | Mining car flame-proof type shooting illumination combined lamp |
| CN116336404B (en) * | 2023-05-29 | 2023-08-04 | 安徽江天云控技术股份有限公司 | Mining car flame-proof type shooting illumination combined lamp |
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