CN101900267B - Anti-explosion lamp - Google Patents
Anti-explosion lamp Download PDFInfo
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- CN101900267B CN101900267B CN2010102155723A CN201010215572A CN101900267B CN 101900267 B CN101900267 B CN 101900267B CN 2010102155723 A CN2010102155723 A CN 2010102155723A CN 201010215572 A CN201010215572 A CN 201010215572A CN 101900267 B CN101900267 B CN 101900267B
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- explosion
- lid
- proof
- housing
- shell
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Abstract
The invention relates to an anti-explosion lamp which comprises a shell, a cover body and an anti-explosion piece, wherein a cone-shaped hollow structure is adopted for the shell, a transparent piece is sleeved on the outer surface of the shell, and a large end surface with the largest caliber of the shell is upwards and convexly provided with a plurality of heat radiating fence parts along the peripheral direction; each heat radiating fence part comprises a plurality of fin-shaped heat radiating ribs, and preset gaps are preserved among all the fin-shaped heat radiating ribs; a sealing cavity is formed between the transparent piece and the outer surface of the shell and used for accommodating a luminescent source; the cover body is in a cap shape; the cover body is fixedly connected to the end surface of the shell, and an accommodating cavity is formed between the inner surface of the cover body and the end surface of the shell; the anti-explosion piece is accommodated in the accommodating cavity; a gap is preserved between the anti-explosion piece and the end surface of the shell; and an explosion-proof cavity used for accommodating an electrical element driving the luminescent source to illuminate is formed between the anti-explosion piece and the inner surface of the cover body. The technical problem of poor heat radiating property can be solved through arranging the plurality of heat radiating fence parts with the fin-shaped heat radiating ribs.
Description
[technical field]
The present invention relates to lighting device, particularly relate to a kind of explosion-proof lamp.
[background technology]
Along with the develop rapidly of science and technology, lighting produce, use in the storage, rescue more and more widely, kind is also more and more.Because lighting adopts Metal halogen lamp or fluorescent lamp as light source usually, in work, can produce electric spark inevitably or form red-hot surface, they will cause the generation of explosion accident in case meet with damp, dust or its mixture of production or rescue site.Therefore, in the hazardous area that has damp, dust or its mixture, how to prevent the generation of lighting explosion accident, become very important problem.The temperature of the electric arc that existing explosion-proof lamp produces by the restriction lamp interior, the case surface that spark contacts with damp, dust reaches explosion-proof purpose.
Along with light emitting diode (Light Emitting Diode, LED) technology moves to maturity gradually, relative Metal halogen lamp or fluorescent lamp, because led light source has advantages such as caloric value is little, power consumption is little, operating voltage is low, long service life, make led light source can be applied in the explosion-proof lamp, especially in the Portable explosion-proof lamp, led light source is a kind of more satisfactory light source.
Yet, in the occasion of high-power applications, still can keep light efficiency and the service life of expecting in order to make the explosion-proof lamp that replaces to led light source, may need to use a plurality of led light sources.And a plurality of led light sources may produce certain heat, therefore, must consider the heat dissipation design of lamp casing, to prolong the service life of led light source.Therefore, on existing explosion-proof lamp basis, need research and develop a kind of new type explosion proof light fixture with preferable radiating effect.
[summary of the invention]
Based on this, be necessary to provide a kind of explosion-proof lamp that explosion-proof, heat radiation etc. requires that has concurrently.
A kind of explosion-proof lamp comprises housing, lid, and explosion-proof part.Housing adopts the circular platform type hollow structure, and the outer surface of housing is arranged with transparent member, and the end face of the bore maximum of housing is around its circumferencial direction, upwards evenly is convexly equipped with a plurality of thermal column portion.Each thermal column portion comprises a plurality of fin-shaped radiating ribs, leaves predetermined gap between each fin-shaped radiating ribs.Form sealed cavity between the outer surface of transparent member and housing, in order to ccontaining illuminating source.Lid is the cap shape, and lid comprises crown portion and the shade portion of extending from crown portion edge-perpendicular downwards.The edge of shade portion is against the top of thermal column portion.Lid is fixedlyed connected with the large end face of housing by securing member.When lid is fixedly connected on the end face of housing, form host cavity between the inner surface of lid and the end face of housing.Explosion-proof part is placed in the host cavity.Leave the gap between the end face of explosion-proof part and housing.Explosion-proof part and lid inner surface form the explosion-proof chamber that drives the luminous electric elements of described illuminating source in order to accommodate.By the thermal column portion of a plurality of fin-shaped radiating ribs is set, can solve the not good technical problem of heat dispersion.
In a preferred embodiment, the crown portion of lid is provided with a blind hole, in order to form first wire connection cavity that connects the externally fed power supply.The edge of blind hole and be positioned at shade portion and be provided with screwed hole.Screwed hole is used for by long spiro nail lid being fixedly connected on the large end face of housing.
In a preferred embodiment, explosion-proof part comprises a lower cover, and lower cover comprises horizonal base plate and the sidewall that extends from the horizonal base plate edge-perpendicular, the inner surface of the shade portion of the intimate applying lid of sidewall.
In a preferred embodiment, the outer surface of sidewall is provided with annular groove, is used for setting seal, makes the inner surface of intimate applying lid shade portion of sidewall, to form the explosion-proof chamber of sealing.
In a preferred embodiment, the horizonal base plate edge convexes with some lugs, and each lug is provided with through hole, and lug is fixedlyed connected with the shade portion of lid by through hole.
In a preferred embodiment, housing comprises the bigger horizontally extending cup of the top edge periphery edge of glass shell and cup faucal footpath, edge, cup shell and cup are along the open cavity of definition, and the outer circumference diameter of the horizonal base plate of lower cover is greater than the maximum gauge of described cavity, so that the whole cavity that covers of horizonal base plate.
In a preferred embodiment, the inner surface of housing inwardly convexes with one deck step at least, and the surface of step has extended upward some heating columns.
In a preferred embodiment, inner surface some heat radiation reinforcements that extended internally of cup shell, the heat radiation reinforcement is arranged at intervals at the inner surface of glass shell, and begins to extend to described step from the surface on cup edge.
Above-mentioned explosion-proof lamp by the thermal column portion of a plurality of fin-shaped radiating ribs is set, has solved the not good technical problem of existing explosion-proof lamp heat dispersion.
[description of drawings]
Fig. 1 is that the housing of explosion-proof lamp of one embodiment of the present invention is along the profile of first direction;
Fig. 2 a, b are profile and the schematic perspective view of the housing of the explosion-proof lamp of the present invention's a kind of embodiment shown in Figure 1;
Fig. 3 is the schematic perspective view of the lid of the explosion-proof lamp of the present invention's a kind of embodiment shown in Figure 1;
Fig. 4 is the part enlarged diagram of the explosion-proof lamp of the present invention's a kind of embodiment shown in Figure 1;
Fig. 5 is the upward view that the explosion-proof part lower cover of the explosion-proof lamp of one embodiment of the present invention uses state.
[specific embodiment]
The invention provides a kind of explosion-proof and explosion-proof lamp heat sinking function of having concurrently.As a kind of lighting device, explosion-proof lamp of the present invention can be used in but be not limited to following place, for example, and inflammable and explosive places such as petroleum and petrochemical industry, shipbuilding, offshore oil platform, oily station, oil depot, gas station, oil pump room.
See also Fig. 1, Fig. 1 is that a kind of housing of explosion-proof lamp of embodiment of explosion-proof lamp of the present invention is along the profile of first direction.In one embodiment of the invention, explosion-proof lamp comprises lid 10, housing 20 and explosion-proof part 30.Lid 10 can be covered on the body 20, forms one explosion-proof part 30 is contained in the cavity of accommodating in it.Accommodate the cavity body structure that cavity is hollow, can carry out convection current with the air of explosion-proof lamp 100 outsides, to dispel the heat.Explosion-proof part 30 plays the effect of flame proof for the protection of electronic devices and components.
As shown in figures 1 and 3, housing 20 adopts the circular platform type hollow structure, the outer surface of described housing 10 is arranged with transparent member, form sealed cavity between the outer surface of described transparent member and described housing 10, in order to ccontaining illuminating source, the large end face of described housing 10 bore maximums upwards evenly is convexly equipped with a plurality of thermal column portion 221 around its circumferencial direction.Each thermal column portion 221 comprises a plurality of fin-shaped radiating ribs 222, leaves predetermined gap between each fin-shaped radiating ribs 222.Between each thermal column portion 221 screwed hole 224 is set, is used for achieving a fixed connection with lid 10.
See also Fig. 1 and Fig. 2 a, 2b, in one embodiment of the invention, lid 10 is cap-like structure substantially.Lid 10 comprises crown portion 120 and the shade portion 130 of extending from crown portion edge-perpendicular downwards, approximate 90 degree of the shade portion 130 of this oblique extension and the angle between the crown portion 120.Explosion-proof lamp 100 also comprises a top cover 110, is used for being fixed on the installation position, and top cover 110 arranges a blind hole 112, and in order to connect first wire connection cavity 124 of power supply, described first wire connection cavity 124 is arranged in the crown portion 120 of lid 10, shown in Fig. 2 a.Top cover 110 is fixedlyed connected with some screwed holes (Fig. 1 is label not) that crown portion 110 is provided with by trip bolt.Shown in Fig. 2 a, 2b, the crown portion 110 of described lid 10 is provided with a blind hole, in order to form first wire connection cavity 124 that connects the externally fed power supply, the edge of described blind hole and be positioned at described shade portion 130 and be provided with first screwed hole 134, described screwed hole 134 is used for by long spiro nail described lid being fixedly connected on the large end face of described housing 20, and the large end face here refers to the end face of the bore maximum of circular platform type hollow structure housing 10.
In one embodiment of the invention, shade portion 130 constitutes an open host cavity (Fig. 1 does not show) with crown portion 120.When lid 10 and housing 20 covered, this host cavity was a part of accommodating cavity.Also being provided with second screwed hole, 136, the second screwed holes 136 on the lid 10 is used for fixedlying connected with explosion-proof part 30.First screwed hole 134 and second screwed hole 136 arrange at interval.
See also Fig. 1 and Fig. 3, in one embodiment of the invention, as mentioned above, housing 20 adopts the truncated cone-shaped hollow structure.Housing 20 comprises glass shell 210, the cup along 220 and the cup end 230.Cup extends along the 220 large end face perimeter along continuous straight runs along cup shell 210 bore maximums.The cup end 230, be connected in the end face edge of glass shell 210 bore minimums.In one embodiment of the invention, cup also is the large end face of housing 20 along 220 horizontal surface, along its circumferencial direction, upwards evenly is convexly equipped with a plurality of thermal column portion 221.Each thermal column portion 221 comprises a plurality of fin-shaped radiating ribs 222, leaves predetermined gap between each fin-shaped radiating ribs 222.In addition, the large end face of housing 20 also is provided with installation portion 224 between a plurality of thermal column portion 221.It is cylindric that installation portion is, and offer screwed hole, by trip bolt lid 10 and housing 20 fixed being used for.
In one embodiment of the invention, the inner surface of cup shell 210 inwardly convexes with a step 240.The horizontal surface of step 240 is convex to be provided with some heating columns 412 that are frustum.Heating column 412 is spaced apart to be on the circumference in the center of circle in the center with round platform.Heating column 412 diminishes gradually at its upwardly extending direction upper section diameter, and the upper surface of heating column 412 is higher than cup along 220 horizontal surface.Further, the inner surface of cup shell 210 also inwardly convexes with some heat radiation reinforcements 214 in the form of sheets.Heat radiation reinforcement 214 is arranged at intervals at the inner surface of glass shell 210, and begins to extend on the step 240 from the described glass of surface along 220.Heat radiation reinforcement 214 and heating column 412 is used for illuminating source is transmitted in the described cavity at the heat that luminescence process produces, and along with the flowing of air, heat taken out of the outside of housing 20.In other embodiments, the inner surface of cup shell 210 also can inwardly be convexly equipped with multilayer step 240.The horizontal surface of each layer step 240 all upwards is convexly equipped with some heating columns 412 that are frustum.
In one embodiment of the invention, the cup end 230, be the cylindric of hollow, and the inner surface at the cylindric cup end 230 is provided with some fin, to strengthen radiating effect.Cup shell 210, cup along 220 and cup forms the cavity of opening the end 230 together.
See also Fig. 1 and Fig. 4, Fig. 4 is the enlarged diagram at IV place among Fig. 1.Explosion-proof part 30 has cavity structure, for the protection of electronic devices and components.When lid 10 back-offs on housing 20, and when fixedlying connected with the end face of housing 20, explosion-proof part 30 integral body are accommodated in the host cavity of lid 10, and the cavity of basic covering shell 20.
As shown in Figure 4 and Figure 5, because the structural design of housing 20, the explosion-proof part 30 here can include only a lower cover 340, described lower cover 340 comprises horizonal base plate 342 and the sidewall 346 that extends from described horizonal base plate 342 edge-perpendicular, the fit inner surface of described lid 10 shade portions 130 of the intimate of described sidewall 346.346 of sidewalls are configured to be slightly less than 130 inner surfaces institute of described lid 10 shade portions around the internal diameter of the annulus of formation around the external diameters of the annulus that forms, so that both are when fastening, sidewall 346 fits tightly shade portion 130 inner surfaces, forms the explosion-proof chamber 360 of a sealing.The outer circumference diameter of the horizonal base plate 342 of lower cover 340 is configured to the maximum gauge greater than cavity 282, so that explosion-proof part 30 can wholely cover cavity 282.
As shown in Figure 4, the outer surface of sidewall 346 is provided with groove (ginseng Fig. 4 of annular near horizonal base plate 342 places, do not indicate with element numbers), be used for setting seal 388, make the fit inner surface of described lid 10 shade portions 130 of the intimate of described sidewall 346, with the explosion-proof chamber 360 of better formation sealing, realize effectively sealing.
As shown in Figure 5, sidewall 346 has a plurality of lugs 344 with the junction horizontal-extending of horizonal base plate 342.In the present embodiment, the quantity of lug 344 is three as shown in Figure 5, and be uniformly distributed in second sidewall 346 around.Be appreciated that in other embodiments the quantity of lug 344 can be other quantity, can be evenly also can uneven distribution around sidewall 346, as long as can realize the purpose of fixing.Lug 344 has provided through hole 3442, passes for securing member 386, and second screwed hole 136 and the lower cover 340 of lid 10 shade portions 130 tightened together.Especially, utilize securing member 386 that explosion-proof part 30 and the lid 10 that fits together fixed.In one embodiment of the invention, securing member 386 is trip bolt, and the screwed hole that the inside of lid 10 is provided with some correspondences screws togather for trip bolt.Be appreciated that in other embodiments, also can adopt the fixed structure of other modes, for example snap-in structure or glued construction are realized interfixing of explosion-proof part 30 and lid 10.
In addition, when explosion-proof part 30 is installed between lid 10 and the housing 20, leave a gap between the lower surface of second lug 344 of lower cover 340 horizonal base plates 342, to strengthen heat radiation.Simultaneously, the periphery supporting of horizonal base plate 342 in cup along on 220 the projection, with cup along 220 and horizonal base plate 342 between a default gap, thereby strengthen the circulation of air, strengthen radiating effect.
Further, the inner surface of described housing 10 also inwardly convexes with second wire connection cavity, second wire connection cavity and described explosion-proof chamber are tightly connected by Explosion proof joint, electric wire is entered described second wire connection cavity by described explosion-proof chamber and realize electrically connecting with illuminating source.
Please continue to consult in the lump Fig. 1, the periphery of cup shell 210 is a sheathed transparent member 212 also, transparent member 212 fixes in the periphery of cup shell 210 by lamp ring 225, transparent member 212 and and the outer surface of cup shell 210 between form sealed cavity (ginseng Fig. 1 indicates with element numbers).The sealing cavity is used for ccontaining illuminating source 214, and the light that illuminating source 214 sends can pass through transparent member 212 outside transmissions.Be appreciated that in other embodiments illuminating source 214 also can be the light source of other types, for example fluorescent lamp etc.
From the above, consider Figure of description in light of actual conditions, those skilled in the art should implement explosion-proof lamp 100 provided by the invention.Explosion-proof lamp of the present invention 100 is by the large end face of housing 20, along its circumferencial direction, upwards evenly is convexly equipped with a plurality of thermal column portion 221.Each thermal column portion 221 comprises a plurality of fin-shaped radiating ribs 222, leaves predetermined gap between each fin-shaped radiating ribs 222, makes it possess better radiating effect, can satisfy radiating requirements.In addition, the explosion-proof chamber of explosion-proof lamp 100 of the present invention by between lid 10 and explosion-proof part, constituting, protection electronic devices and components; neither influence the cabling of power circuit; do not influence whole radiating requirements yet, also received preferable flame proof effect, obtained beneficial technical effects.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.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 (6)
1. an explosion-proof lamp is characterized in that, described explosion-proof lamp comprises:
Adopt the housing of circular platform type hollow structure, the outer surface of described housing is arranged with transparent member, form sealed cavity between the outer surface of described transparent member and described housing, in order to ccontaining illuminating source, the large end face of described housing bore maximum upwards evenly is convexly equipped with a plurality of thermal column portion around its circumferencial direction, each thermal column portion comprises a plurality of fin-shaped radiating ribs, leaves predetermined gap between each fin-shaped radiating ribs;
The lid that is fixedly linked with the end face of described housing, described lid is the cap shape, described lid comprises crown portion and the shade portion of extending from described crown portion edge-perpendicular downwards, the edge of described shade portion is against the top of described thermal column portion, described lid is fixedlyed connected with the large end face of described housing by securing member, forms host cavity between the inner surface of described lid and the end face of described housing;
Be placed in the explosion-proof part in the described host cavity, leave the gap between the end face of described explosion-proof part and described housing; Described explosion-proof part and described lid inner surface form the explosion-proof chamber that drives the luminous electric elements of described illuminating source in order to accommodate;
Wherein, described explosion-proof part comprises a lower cover, and described lower cover comprises horizonal base plate and the sidewall that extends from described horizonal base plate edge-perpendicular, the fit inner surface of shade portion of described lid of the intimate of described sidewall; The outer surface of described sidewall is provided with annular groove, is used for setting seal, makes the fit inner surface of described lid shade portion of the intimate of described sidewall, to form the explosion-proof chamber of sealing.
2. explosion-proof lamp according to claim 1, it is characterized in that, the crown portion of described lid is provided with a blind hole, in order to form first wire connection cavity that connects the externally fed power supply, the edge of described blind hole and be positioned at described shade portion and be provided with screwed hole, described screwed hole is used for by long spiro nail described lid being fixedly connected on the large end face of described housing.
3. explosion-proof lamp according to claim 1 is characterized in that, described horizonal base plate edge convexes with some lugs, and each lug is provided with through hole, and described lug is fixedlyed connected with the shade portion of described lid by through hole.
4. explosion-proof lamp according to claim 1, it is characterized in that, described housing comprises glass shell and cup edge, described cup is along the large end face edge horizontal-extending along described cup shell, described cup shell and cup are along forming open cavity, the outer circumference diameter of the horizonal base plate of described lower cover is greater than the maximum gauge of described cavity, so that the described cavity of the whole covering of described horizonal base plate.
5. according to each described explosion-proof lamp in the claim 1 to 4, it is characterized in that the inner surface of described housing inwardly convexes with one deck step at least, the surface of described step has extended upward some heating columns.
6. explosion-proof lamp according to claim 5 is characterized in that, the inner surface of described cup shell inwardly is provided with some heat radiation reinforcements, and described heat radiation reinforcement is arranged at intervals at the inner surface of glass shell, and begins to extend to described step from the surface on described cup edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102155723A CN101900267B (en) | 2010-06-30 | 2010-06-30 | Anti-explosion lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102155723A CN101900267B (en) | 2010-06-30 | 2010-06-30 | Anti-explosion lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101900267A CN101900267A (en) | 2010-12-01 |
| CN101900267B true CN101900267B (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102155723A Expired - Fee Related CN101900267B (en) | 2010-06-30 | 2010-06-30 | Anti-explosion lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN101900267B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691992B (en) * | 2011-03-22 | 2013-10-02 | 海洋王照明科技股份有限公司 | Light fixture |
| CN102748722B (en) * | 2011-04-21 | 2014-03-12 | 海洋王照明科技股份有限公司 | Explosion-proof lamp and overcurrent insert device thereof |
| CN112856260B (en) * | 2021-01-19 | 2022-02-22 | 南京坦索光电有限公司 | Explosion-proof lamp and sealing structure thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0823589A2 (en) * | 1996-08-06 | 1998-02-11 | Appleton Electric Company | Encapsulated explosion-proof pilot light |
| CN201225590Y (en) * | 2008-07-17 | 2009-04-22 | 舒群伟 | Explosion-proof high power LED lamp |
| CN201251148Y (en) * | 2008-09-11 | 2009-06-03 | 陕西斯达煤矿安全装备有限公司 | LED round laneway lamp |
| CN101749677A (en) * | 2010-01-27 | 2010-06-23 | 海洋王照明科技股份有限公司 | Explosion-proof lamp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100910539B1 (en) * | 2008-09-29 | 2009-07-31 | 화우테크놀러지 주식회사 | Explosion free lamp with led |
-
2010
- 2010-06-30 CN CN2010102155723A patent/CN101900267B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0823589A2 (en) * | 1996-08-06 | 1998-02-11 | Appleton Electric Company | Encapsulated explosion-proof pilot light |
| CN201225590Y (en) * | 2008-07-17 | 2009-04-22 | 舒群伟 | Explosion-proof high power LED lamp |
| CN201251148Y (en) * | 2008-09-11 | 2009-06-03 | 陕西斯达煤矿安全装备有限公司 | LED round laneway lamp |
| CN101749677A (en) * | 2010-01-27 | 2010-06-23 | 海洋王照明科技股份有限公司 | Explosion-proof lamp |
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| Publication number | Publication date |
|---|---|
| CN101900267A (en) | 2010-12-01 |
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Granted publication date: 20130821 Termination date: 20200630 |