CN104515002A - Sealing structure and lamp - Google Patents
Sealing structure and lamp Download PDFInfo
- Publication number
- CN104515002A CN104515002A CN201310464201.2A CN201310464201A CN104515002A CN 104515002 A CN104515002 A CN 104515002A CN 201310464201 A CN201310464201 A CN 201310464201A CN 104515002 A CN104515002 A CN 104515002A
- Authority
- CN
- China
- Prior art keywords
- hermetically
- sealed construction
- sealing
- light fixture
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides a sealing structure and a lamp. The sealing structure is arranged between a lamp housing and a transparent cover plate; the sealing structure comprises a positioning part, a first sealing part, a second sealing part and an opened slot; the first sealing part and the second sealing part are arranged at the same side of the positioning part; the opened slot is formed between the first sealing part and the second sealing part; the positioning part is used for positioning the sealing structure to the housing; the first sealing part and the second sealing part are closely matched with the transparent cover plate; when the lamp stops working, the outside explosive gas can be delayed to flow into the lamp through the sealing structure, and thus the lamp can be avoided explosion, and the safety can be ensured.
Description
Technical field
The present invention relates to the light fixture of lighting field, particularly relate to a kind of lens seals structure of restriction breathing light fixture and there is the light fixture of described hermetically-sealed construction.
Background technology
Sealing ring is arranged on the structure between housing and lid by the many employings of existing hermetically-sealed construction, and the circular in cross-section of existing sealed picture or ellipse, is used between the shell of light fixture and glass cover-plate by this sealed picture.For application PetroChina Company Limited., light fixture in field, colliery, owing to containing damp in air, such as all hydrogen, methane, ethane etc., generally, light fixture is when work, gas in light fixture cavity can expand at an elevated temperature gradually, the gas in light fixture cavity is made to form malleation and discharge outside light fixture, even if external environment condition has damp to be difficult to enter light fixture, but when light fixture quits work, the temperature of light fixture can reduce gradually, lamp interior will form negative pressure, lamp interior is made to form suction, extraneous gas is constantly brought in light fixture cavity.Sealing ring of the prior art uses in such light fixture, and sealing property easily lost efficacy, time below the explosive source temperature that the temperature in light fixture is not also cooled to damp, damp easily enters light fixture, dangerous, easily blasts, and infringement light fixture causes danger.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of hermetically-sealed construction that can solve the problem and the light fixture comprising described hermetically-sealed construction.
In order to solve the problems of the technologies described above, the invention provides a kind of hermetically-sealed construction, be arranged between the housing of light fixture and transparent cover plate, described hermetically-sealed construction comprises location division, the first sealing, the second sealing and open slot, described first sealing and described second sealing are arranged at the homonymy of described location division, stating open slot is arranged between described first sealing and described second sealing, described location division is used for described hermetically-sealed construction to be positioned described housing, and described first sealing and described second sealing are used for closely cooperating with described transparent cover plate.
Further improve as the present invention, the overall width of described first sealing, described second sealing and described open slot is greater than the width of described location division.
Further improve as the present invention, described first sealing comprises the first prominent bag, and described second sealing comprises the second prominent bag, and the described first prominent bag contacts with transparent cover plate described in the described second prominent Bao Junyu.
Further improve as the present invention, the U-shaped profile of described open slot.
Further improve as the present invention, described location division comprises locating slot, and described housing comprises locating piece, and described locating slot coordinates with described locating piece described hermetically-sealed construction is incorporated into described housing.
Further improve as the present invention, described hermetically-sealed construction is H-shaped.
Further improve as the present invention, after described locating piece stretches into described locating slot completely, between the bottom surface of described locating piece and described locating slot, form cavity.
Further improve as the present invention, described housing is provided with receiving space and stopper slot, described transparent cover plate blocks the open top of described receiving space, described stopper slot is arranged around described receiving space, described locating piece projects the diapire being placed in described stopper slot, the diapire of the relatively described stopper slot of the sidewall away from described receiving space side of described stopper slot tilts to expand extension, described hermetically-sealed construction is positioned in described stopper slot, described hermetically-sealed construction comprises inclined-plane, and described inclined-plane and described sidewall are fitted.
Further improve as the present invention, described hermetically-sealed construction is made up of foamed silastic.
The present invention also provides a kind of light fixture, comprises the hermetically-sealed construction described in any one in above-mentioned all embodiments.
Compared to prior art, hermetically-sealed construction provided by the present invention and light fixture, utilizing open slot to be arranged between the first sealing and the second sealing, can preventing light fixture from exploding when quitting work, and ensures the security of light fixture.When light fixture quits work, the temperature of light fixture can reduce gradually, lamp interior will form negative pressure, lamp interior is made to form suction, constantly bring extraneous gas into lamp interior, extraneous gas can be introduced in open slot after the first sealing, after open slot is filled, gas just starts through the second sealing, and therefore hermetically-sealed construction provided by the invention can delay extraneous gas and enters lamp interior.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the stereogram with the light fixture of hermetically-sealed construction that embodiment of the present invention provides.
Fig. 2 is the schematic cross-section that hermetically-sealed construction that embodiment of the present invention provides is applied between the housing of light fixture and transparent cover plate.
Fig. 3 is the stereogram of the hermetically-sealed construction that embodiment of the present invention provides.
Fig. 4 is the sectional view of the hermetically-sealed construction that embodiment of the present invention provides.
Fig. 5 and Fig. 4 is all sectional views of hermetically-sealed construction, have expressed two width of hermetically-sealed construction in Fig. 5.
Fig. 6 is the stereogram of the housing that embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to 1 and Fig. 2, be depicted as hermetically-sealed construction 30 and light fixture 100 that embodiment of the present invention provides.Hermetically-sealed construction 30 is arranged between the housing 10 of light fixture 100 and transparent cover plate 20, and transparent cover plate 20 is fixedly connected on housing 10 and compression seal structure 30.
Refer to Fig. 3-Fig. 5, described hermetically-sealed construction 30 comprises location division 32, first sealing 34, second sealing 36 and open slot 38, described first sealing 34 and described second sealing 36 are arranged at the homonymy of described location division 32, that is, described first sealing 34 and described second sealing 36 are all positioned at the side near transparent cover plate 20, and location division 32 is combined with housing 10 away from transparent cover plate 20.Described open slot 38 is arranged between described first sealing 34 and described second sealing 36, described location division 32 is for being positioned described hermetically-sealed construction 30 for described housing 10, and described first sealing 34 and described second sealing 36 are for closely cooperating with described transparent cover plate 20.
Hermetically-sealed construction 30 provided by the present invention and light fixture 100 are applied in oil and colliery industry, have damp in the extraneous air of light fixture 100, such as: hydrogen, methane, ethane etc.Hermetically-sealed construction 30 utilizes open slot 38 to be arranged between the first sealing 32 and the second sealing 34, can prevent light fixture 100 from exploding when quitting work, and ensures the security of light fixture 100.Specifically, when light fixture 100 quits work, the temperature of light fixture 100 can reduce gradually, light fixture 100 inside will form negative pressure, makes light fixture 100 inside to form suction, constantly brings extraneous gas into lamp interior, extraneous gas can be introduced in open slot 38 after the first sealing 34, after open slot 38 is filled, gas just starts through the second sealing 36, and therefore hermetically-sealed construction 30 provided by the invention can delay extraneous gas to enter light fixture 100 inner.
In present embodiment, described hermetically-sealed construction 30 is rectangle Shape closed structure, around the inner space of the housing 10 of encirclement light fixture 100, realizes the function of sealing.
Further improve as the present invention, the overall width W1 of described first sealing 34, described second sealing 36 and described open slot 38 is greater than the width W 2 of described location division 32, increases hermetically-sealed construction 30 and the contact area of transparent cover plate 20, improves the effect of sealing.
Further improve as the present invention, described first sealing 34 comprises the first prominent bag 342, and described second sealing 36 comprises the second prominent bag 362, and the described first prominent bag 342 all contacts with described transparent cover plate 20 with the described second prominent bag 362.Being designed with to be beneficial to of described first prominent bag 342 and the described second prominent bag 362 increases the partially sealed intensity of hermetically-sealed construction 30, combining closely between guarantee hermetically-sealed construction 30 and transparent cover plate 20.
In a kind of embodiment, the U-shaped profile of described open slot 38.
Further improve as the present invention, described location division 32 comprises locating slot 322, and described housing 10 comprises locating piece 12, and described locating slot 322 coordinates with described locating piece 12 described hermetically-sealed construction 30 is incorporated into described housing 10.In present embodiment, described hermetically-sealed construction 30 is in H-shaped.The setting of locating slot 322, except hermetically-sealed construction 30 being positioned housing 10, also extending the sealed pathway between hermetically-sealed construction 30 and housing 10, adds the sealing effectiveness between housing 10 and hermetically-sealed construction 30.
Further improve as the present invention, after described locating piece 12 stretches into described locating slot 322 completely, between described locating piece 12 and the bottom surface of described locating slot 322, form cavity C.When extraneous gas is through housing 10 and hermetically-sealed construction 30, can described cavity C be carried out, therefore the setting of cavity C, extraneous gas can be delayed and enter light fixture 100 inside, improve the security of light fixture 100.
Refer to Fig. 6, further improve as the present invention, described housing 10 is provided with receiving space 13 and stopper slot 15, multiple LED light source 16 is held in receiving space 13, described transparent cover plate 20 blocks the open top of described receiving space 13, LED light source 16 issued light shines out through transparent cover plate 20, and in present embodiment, transparent cover plate 20 is glass material.Described stopper slot 15 is arranged around described receiving space 13, described locating piece 12 project be placed in described stopper slot 15 diapire 152(incorporated by reference to consulting Fig. 2), the diapire 152 of the relatively described stopper slot 15 of sidewall 154 away from described receiving space 13 side of described stopper slot 15 tilts to expand extension, described hermetically-sealed construction 30 is positioned in described stopper slot 15, described hermetically-sealed construction 30 comprises inclined-plane 39, fits with described sidewall 154 in described inclined-plane 39.By coordinating of the sidewall 154 at the inclined-plane 39 of hermetically-sealed construction 30 and the stopper slot 15 of housing 10, extend the sealed pathway between housing 10 and hermetically-sealed construction 30, enhance the sealing effectiveness of light fixture 100 of the present invention.
Further improve as the present invention, described hermetically-sealed construction 30 is made up of foamed silastic, and the matter of this material is soft, and internal structure foaming shape, is applicable to light fixture 100 provided by the present invention.
In sum, the hermetically-sealed construction 30 of the present invention arranges open slot 38, when after transparent cover plate 20 with hermetically-sealed construction 30 close contact, between the first sealing 34 and the second sealing 36, forms individual cavity.Light fixture 100 is when work, gas in light fixture 100 can expand at an elevated temperature gradually, makes the gas of light fixture 100 inside form malleation and discharges to light fixture 100 outside, therefore, even if external environment condition has damp, be also difficult to enter light fixture 100.When light fixture 100 quits work, the temperature of light fixture can reduce gradually, light fixture 100 inside will form negative pressure, light fixture 100 inside is made to form suction, under the effect of suction, outside gas can between transparent cover plate 20 and hermetically-sealed construction 30 and between housing 10 and hermetically-sealed construction 30, and enter housing, when extraneous gas is through the first sealing 34, gas be introduced into that open slot 38 formed individual cavities in, like this, the setting of open slot 38 enters the time of light fixture 100 inside with regard to having delayed outside gas, the speed that the density of the damp of such light fixture 100 inside raises also slows down.When gas enters light fixture 100 inside through the second sealing 36, and the fiery gas volume density in light fixture 100 increase to meet damp produce blast condition time, the temperature of light fixture 100 can be reduced to lower than explosive source temperature, explosive source temperature refers to the critical temperature value that damp is blasted, that is, when environment temperature exceedes explosive source temperature, damp easily produces blast.Therefore, the light fixture 100 being arranged so that the present invention of hermetically-sealed construction 30 has security.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a hermetically-sealed construction, be arranged between the housing of light fixture and transparent cover plate, it is characterized in that, described hermetically-sealed construction comprises location division, the first sealing, the second sealing and open slot, described first sealing and described second sealing are arranged at the homonymy of described location division, stating open slot is arranged between described first sealing and described second sealing, described location division is used for described hermetically-sealed construction to be positioned described housing, and described first sealing and described second sealing are used for closely cooperating with described transparent cover plate.
2. hermetically-sealed construction according to claim 1, is characterized in that, the overall width of described first sealing, described second sealing and described open slot is greater than the width of described location division.
3. hermetically-sealed construction according to claim 1, is characterized in that, described first sealing comprises the first prominent bag, and described second sealing comprises the second prominent bag, and the described first prominent bag contacts with transparent cover plate described in the described second prominent Bao Junyu.
4. hermetically-sealed construction according to claim 1, is characterized in that, the U-shaped profile of described open slot.
5. hermetically-sealed construction according to claim 1, is characterized in that, described location division comprises locating slot, and described housing comprises locating piece, and described locating slot coordinates with described locating piece described hermetically-sealed construction is incorporated into described housing.
6. hermetically-sealed construction according to claim 5, is characterized in that, described hermetically-sealed construction is H-shaped.
7. hermetically-sealed construction according to claim 5, is characterized in that, after described locating piece stretches into described locating slot completely, forms cavity between the bottom surface of described locating piece and described locating slot.
8. hermetically-sealed construction according to claim 5, it is characterized in that, described housing is provided with receiving space and stopper slot, described transparent cover plate blocks the open top of described receiving space, described stopper slot is arranged around described receiving space, described locating piece projects the diapire being placed in described stopper slot, the diapire of the relatively described stopper slot of the sidewall away from described receiving space side of described stopper slot tilts to expand extension, described hermetically-sealed construction is positioned in described stopper slot, described hermetically-sealed construction comprises inclined-plane, and described inclined-plane and described sidewall are fitted.
9. hermetically-sealed construction according to claim 1, is characterized in that, described hermetically-sealed construction is made up of foamed silastic.
10. a light fixture, is characterized in that, described light fixture comprises the hermetically-sealed construction as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310464201.2A CN104515002B (en) | 2013-09-30 | 2013-09-30 | Sealing structure and lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310464201.2A CN104515002B (en) | 2013-09-30 | 2013-09-30 | Sealing structure and lamps and lanterns |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104515002A true CN104515002A (en) | 2015-04-15 |
| CN104515002B CN104515002B (en) | 2018-09-14 |
Family
ID=52790706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310464201.2A Active CN104515002B (en) | 2013-09-30 | 2013-09-30 | Sealing structure and lamps and lanterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104515002B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963424A (en) * | 2019-03-07 | 2019-07-02 | 深圳市海洋王照明工程有限公司 | End face seal structure and explosion-proof gateway controller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100882592B1 (en) * | 2008-01-02 | 2009-02-12 | 주식회사 지에이 | Illuminator |
| CN101709780A (en) * | 2009-11-13 | 2010-05-19 | 海洋王照明科技股份有限公司 | Sealing member structure |
| CN201599773U (en) * | 2009-12-10 | 2010-10-06 | 芜湖晶鑫灯饰有限公司 | Sealing structure of highly clean lamp |
| TW201229429A (en) * | 2011-01-05 | 2012-07-16 | Foxconn Tech Co Ltd | LED lamp |
| CN104180213A (en) * | 2013-05-28 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Explosion-proof lamp |
-
2013
- 2013-09-30 CN CN201310464201.2A patent/CN104515002B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100882592B1 (en) * | 2008-01-02 | 2009-02-12 | 주식회사 지에이 | Illuminator |
| CN101709780A (en) * | 2009-11-13 | 2010-05-19 | 海洋王照明科技股份有限公司 | Sealing member structure |
| CN201599773U (en) * | 2009-12-10 | 2010-10-06 | 芜湖晶鑫灯饰有限公司 | Sealing structure of highly clean lamp |
| TW201229429A (en) * | 2011-01-05 | 2012-07-16 | Foxconn Tech Co Ltd | LED lamp |
| CN104180213A (en) * | 2013-05-28 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Explosion-proof lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963424A (en) * | 2019-03-07 | 2019-07-02 | 深圳市海洋王照明工程有限公司 | End face seal structure and explosion-proof gateway controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104515002B (en) | 2018-09-14 |
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