CN102853412A - Sealing device for electronic device and illuminating apparatus with sealing device - Google Patents
Sealing device for electronic device and illuminating apparatus with sealing device Download PDFInfo
- Publication number
- CN102853412A CN102853412A CN2011101802788A CN201110180278A CN102853412A CN 102853412 A CN102853412 A CN 102853412A CN 2011101802788 A CN2011101802788 A CN 2011101802788A CN 201110180278 A CN201110180278 A CN 201110180278A CN 102853412 A CN102853412 A CN 102853412A
- Authority
- CN
- China
- Prior art keywords
- sealing device
- sealing
- edge
- force transmission
- transmission element
- 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
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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
-
- 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
Abstract
The invention relates to a sealing device for electronic equipment. The sealing device comprises a base (1) and a cover (2) and is provided with sealing tools (3); the base is provided with a central accommodating portion (a) and lateral surfaces (b); the cover (2) is hermetically jointed with the lateral surfaces (b) by edges (9) and is used for defining a sealing cavity for an electronic device, and upward bent portions are formed on the lateral surfaces (b) and define slots (8) for accommodating the edges (9); and the sealing tools (3) seal the edges (9) and the lateral surfaces from lower sides of the edges (9) and the lateral surfaces. The invention further relates to an illuminating apparatus with the sealing device. The sealing device has the advantages that assembling holes on the cover are not required, so that integrity and sealing performance of the cover are guaranteed; and sealing positions in the sealing devices can be stressed uniformly, so that cracks are prevented.
Description
Technical field
The present invention relates to a kind of sealing device for electronic installation and a kind of lighting device of being furnished with the sealing device.
Background technology
Now, sealing device is widely used in the industrial products, particularly in outdoor illumination, owing to must consider the impact of natural environment, therefore sealed object, for example light emitting module need to be arranged on sealing device inside, thereby realize the effect of water proof and dust proof.In order to realize this purpose, there are in the prior art two kinds of solutions.Can utilize epoxy resin or silica gel to be poured between cover body and the housing on the one hand and encapsulate, but its shortcoming is to be unfavorable for maintenance, and need to spend the long time in order to change light source.On the other hand as shown in Figure 1, can with sealing gasket 3 ', for example silicagel pad or o shape rubber ring seal.Owing to usually need to be provided at the cover body 2 that for example plastics or glass are made the pilot hole 7 of trip bolt, therefore easily damage cover body 2, produce the crack, and and then form leakage point at this.In addition, silicagel pad or o shape rubber ring are fixed between cover body 2 and the pedestal 1 usually, and by screw 4 or buckle structure from cover body 2 surfaces to sealing gasket 3 ' exert pressure.The shortcoming of this method is, and is relatively less away from the locational pressure of screw 4 or buckle and easily produce the crack.
Summary of the invention
Therefore one object of the present invention is, a kind of novel sealing device for electronic installation is proposed, cover body and the pedestal of this sealing device are fixed together hermetically, wherein cover body need not to arrange pilot hole and sealing gasket from below side seal closure body and pedestal, guarantee thus in the situation that cover body is complete still can realize being contained in the preferably sealing of the electronic installation in the sealing device.
This purpose of the present invention realizes by a kind of sealing device for electronic installation, and the sealing device comprises: pedestal, and it has accommodation section and the side surface part of central authorities; And the cover body that utilizes edge and side surface part to engage hermetically, be defined for the seal chamber of described electronic installation, wherein, side surface part is formed with upwards bending part, upwards bending part limits the slot of receiving edges, and sealing device also has from the sealing tool of below sealing the margin and side surface part." upwards bending part " owing to towards the bending of cover body direction, therefore, having formed the opening slot that holds the cover body edge, can make the edge of cover body be inserted in the slot like this.By utilizing the bending part that makes progress to cover in the edge of cover body, can improve the water proof and dust proof performance, and formed simultaneously the backstop of marginal portion upward direction, be the in other words possibility that provides the foundation from the below sealing, by the sealing gasket from below sealing the margin and side surface part, can break through the scheme that pilot hole directly is set at the edge in the prior art, avoid directly at cover body the shortcoming that pilot hole brings being set.
According to a preferred embodiment of the present invention, side surface part also be formed with by the outer wall of accommodation section and edge limited, be used at least part of groove that holds black box, this groove is positioned at the slot below.This groove is positioned at the slot below, so that black box compresses from the edge that lower direction is contained in the slot.
According to a preferred embodiment of the present invention, black box also comprises sealing gasket and hold-down mechanism,, hold-down mechanism pushes sealing gasket and pushes to side surface part from the side respectively from lower direction edge.This mode that seals from bottom to top prevents that advantageously environmental contaminants from entering in the sealing device, has therefore realized in terms of existing technologies better sealing effectiveness.
Another object of the present invention is, proposes a kind of sealing device, and the sealing station in the sealing device is stressed evenly, thereby avoids producing the crack.
This purpose is by realizing according to a preferred embodiment of the present invention, and namely hold-down mechanism comprises compressing member and force transmission element, and this compressing member is exerted pressure and force transmission element and then to the sealing gasket transmission of pressure to force transmission element.By the acting in conjunction of compressing member and force transmission element, can make thrust Transmit evenly that compressing member applies to sealing gasket, overcome thus the defective of the regional unbalance stress of exerting pressure in the prior art.
According to a modified embodiment of the present invention, force transmission element and sealing gasket are contained in the groove.Groove can be designed as triangle, arc or other shape that is conducive to seal.At this, groove and be contained in each other form fit of wherein force transmission element, sealing gasket so that force transmission element can be realized best power transmission according to the geometric configuration of groove, and then strengthens sealing effectiveness.
Preferably, in side surface part, be arranged on through hole groove below, that be used for holding compressing member and extend obliquely to external environment condition from groove.This means, compressing member can from outer inclination pass through hole and stretch into the groove, realize realizing the purpose that seals from the below in adjustable mode.
According to a modified embodiment of the present invention, the shape of cross section of groove is right angled triangle, and through hole is from the hypotenuse extension of right angled triangle.In the case, outer wall is mutually vertical with the edge, and formation can apply the acting surface of sealing load, makes thrust Transmit evenly that compressing member applies to each acting surface.
Preferably, the cross section of force transmission element is right angled triangle, and the cross section of sealing gasket is L shaped for what form by two right-angle sides, and one of them right-angle side is resisted against on the edge, and another right-angle side is resisted against on the outer wall of accommodation section.L shaped sealing gasket and the groove of right angled triangle and force transmission element form fit are used for guaranteeing that two pressure components that are perpendicular to one another act on respectively the outer wall of edge and accommodation section equably.
Particularly preferably be, the angle between through hole and the edge is 45 °.According to geometrical principle as can be known, angle between the outer wall of compressing member and edge and accommodation section is 45 ° in the case, thus simply and reliably with the compressing member applied pressure through force transmission element and sealing gasket, Transmit evenly is to two sides that are perpendicular to one another of groove, on the position that namely needs to seal.
Preferably, compressing member is screw, and force transmission element rigid metal preferably.Thus can be simply and almost harmless lost territory carry out the power transmission.
According to a design of the present invention, sealing gasket is made by elastomer.Select elastomer can embody best sealing effectiveness as sealing gasket.
The invention still further relates to a kind of lighting device, it is characterized in that, be furnished with the sealing device with above-mentioned feature, wherein the cover body of sealing device and pedestal are configured for holding the sealed cavity of light emitting module.
Preferably, pedestal is heat sink.This design can reduce the number of fitting parts of whole lighting device, and is convenient to make and install.Since heat sink basically be made of metal and hold-down mechanism be arranged on fully heat sink in, therefore for default pilot hole in the cover body of making at for example plastics, default assembly space can reduce to produce the possibility in crack in metal.
Preferably, cover body is transparent cover.Transparent cover can be made by glass, plastics or other material with the penetrable characteristic of light.
Should be appreciated that, above generality is described and the following detailed description is all enumerated and illustrative, and purpose is for to the claimed further instruction that the invention provides.
Description of drawings
Accompanying drawing consists of the part of this specification, is used for helping further to understand the present invention.These accompanying drawings illustrate embodiments of the invention, and are used for illustrating principle of the present invention with specification.Identical parts represent with identical label in the accompanying drawings.Shown in the figure:
Fig. 1 is according to the sectional view of the sealing device for electronic installation of the prior art, and light emitting module is installed in sealing device;
Fig. 2 is according to the sectional view of the sealing device for electronic installation of the present invention, and light emitting module is installed in sealing device;
Fig. 3 is the three-dimensional exploded view of the sealing device among Fig. 2.
The specific embodiment
Fig. 2 shows the sectional view according to the sealing device for electronic installation of the present invention.When the object of needs sealing for example was light emitting module, the sealing device also can be used as lighting device according to the present invention and illustrates.
In this embodiment, sealing device comprises: as heat sink pedestal 1, cover body 2 and black box 3, wherein black box comprises sealing gasket 3 ' and hold-down mechanism, and wherein the central design of pedestal 1 is accommodation section a, is used for holding the object of needs sealing, is light emitting module 10 at this.Cover body 2 is made by the transparent material of light, such as glass or transparent plastic etc.Sealing gasket 3 ' can advantageously be made by elastomer, for example silicagel pad or valve rubber etc. are in order to realize best sealing effectiveness.The side surface part b of pedestal 1 is formed with upwards bending part, and it as the upper surface of pedestal 1 both sides, as the stop surface for the edge 9 that holds cover body 2, limits slot 8 on the one hand on the other hand.Under sealing state, edge 9 can be resisted against on this bending part, thereby breaks through the scheme that pilot hole directly is set at the edge in the prior art, and realization seals to improve the purpose of water proof and dust proof performance from the below.
In this embodiment, for fear of the surface at cover body 1 pilot hole is set, can the below from pedestal 1 be installed by the hold-down mechanism that stretches into the described side surface part b according to the present invention, guarantee thus the integrality of cover body and the sealing of whole sealing device.
Preferably, this hold-down mechanism comprises for example compressing member 4 of screw and the force transmission element 5 of for example being made by rigid metal.Can certainly consider to select other parts with similar functions and characteristic as compressing member and force transmission element.Force transmission element 5 almost harmless lost territory to compressing member 4 transmission power and and then realize sealing station, be the purpose that edge 9 and side surface part b seal to sealing gasket 3 ' transmission of pressure.Side surface part b also be formed be used to hold force transmission element 5, sealing gasket 3 ' groove 6, this groove is positioned at slot 8 belows, so that force transmission element 5 and sealing gasket compress from the edge 9 that lower direction is contained in the slot 8, at this sealing gasket 3 ' between edge 9 and force transmission element 5.In side surface part b, the through hole 7 that is used for compressing member 4 extends to external environment condition obliquely from groove 6.
According to another object of the present invention, even the sealing station in the sealing device is stressed evenly, thereby avoids producing the crack, can preferably propose, the outer wall of accommodation section a and edge 9 limit the groove 6 of right angled triangle, and through hole 7 vertically extends through the hypotenuse of groove 6.In order to realize best sealing effectiveness, force transmission element 5 can be designed to have right triangular cross-sectional, sealing gasket 3 ' be designed to have the L shaped cross section that forms by two right-angle sides, wherein sealing gasket 3 ' a right-angle side be resisted against on the edge 9, and another right-angle side is resisted against on the outer wall of accommodation section a.In most preferred situation, this right triangular cross-sectional is isosceles right triangle, and the angle between the outer wall of compressing member and edge and accommodation section is 45 °, thus simply and reliably with compressing member 4 applied pressures through force transmission element 5 and sealing gasket 3 ', Transmit evenly is to two sides that are perpendicular to one another of groove 6, on the position that namely needs to seal.
As can be seen from Figure 2, edge 9 can stretch into by the mode of pegging graft in the slot 8 of pedestal 1 of strip.By the compressing member 4 that is tilted to upper installation from pedestal 1 below thrust is applied on the force transmission element 5 that is arranged in right angle trigonometry connected in star 6.Force transmission element 5 utilize its orthogonal two sides closely against sealing gasket 3 ' on, and then realize outer wall and edge 9 stressed uniform sealings to accommodation section a.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Label list
1 cover body
2 pedestals/heat sink
3 black boies
3 ' sealing gasket
4 compressing members/screw
5 force transmission elements
6 grooves
7 through holes/pilot hole
8 slots
9 edges
10 light emitting modules
The a accommodation section
The b side surface part
Claims (14)
1. sealing device that is used for electronic installation, comprising: pedestal (1), described pedestal (1) have accommodation section (a) and the side surface part (b) of central authorities; And the cover body (2) that utilizes edge (9) and described side surface part (b) to engage hermetically, be defined for the seal chamber of described electronic installation, it is characterized in that, described side surface part (b) is formed with upwards bending part, described upwards bending part limits the slot (8) that holds described edge, and described sealing device also has the sealing tool (3) that seals described edge (9) and described side surface part (b) from the below.
2. sealing device according to claim 1, it is characterized in that, described side surface part (b) also be formed with limit by the outer wall of described accommodation section (a) and described edge (9), be used at least part of groove (6) that holds described black box (3), described groove (6) is positioned at described slot (8) below.
3. sealing device according to claim 2, it is characterized in that, described black box (3) also comprises sealing gasket (3 ') and hold-down mechanism, and described hold-down mechanism pushes described sealing gasket (3 ') and pushes to described side surface part (b) from the side respectively from the described edge of lower direction (9).
4. sealing device according to claim 3, it is characterized in that, described hold-down mechanism comprises compressing member (4) and force transmission element (5), and described compressing member (4) is exerted pressure and described force transmission element (5) and then to described sealing gasket (3 ') transmission of pressure to described force transmission element (5).
5. sealing device according to claim 4 is characterized in that, described force transmission element (5) and described sealing gasket (3 ') are contained in the described groove (6).
6. sealing device according to claim 5, it is characterized in that, in described side surface part (b), be arranged on through hole (7) described groove (6) below, that be used for holding described compressing member (4) and extend obliquely to external environment condition from described groove (6).
7. each described sealing device is characterized in that according to claim 1-6, and the shape of cross section of described groove (6) is right angled triangle, and described through hole (7) is from the hypotenuse extension of described right angled triangle.
8. sealing device according to claim 6, it is characterized in that, the cross section of described force transmission element (5) is right angled triangle, the cross section of described sealing gasket (3 ') is L shaped for what form by two right-angle sides, one of them right-angle side is resisted against on the described edge (9), and another right-angle side is resisted against on the outer wall of described accommodation section (a).
9. sealing device according to claim 6 is characterized in that, the angle between described through hole (7) and described edge (9) is 45 °.
10. each described sealing device is characterized in that according to claim 3-6, and described compressing member (4) is screw.
11. each described sealing device is characterized in that according to claim 3-6, described force transmission element (5) is rigid metal.
12. a lighting device is characterized in that, has according to claim 1 each described sealing device in-10, wherein cover body (2) and pedestal (1) limit be used to the sealed cavity that holds light emitting module (10).
13. lighting device according to claim 12 is characterized in that, described pedestal (1) is heat sink.
14. lighting device according to claim 12 is characterized in that, described cover body (2) is transparent cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110180278.8A CN102853412B (en) | 2011-06-29 | 2011-06-29 | Sealing device and the illuminator being furnished with this sealing device for electronic installation |
| PCT/EP2012/061255 WO2013000715A1 (en) | 2011-06-29 | 2012-06-14 | Sealing device for electronic device and luminaire equipped with the sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110180278.8A CN102853412B (en) | 2011-06-29 | 2011-06-29 | Sealing device and the illuminator being furnished with this sealing device for electronic installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102853412A true CN102853412A (en) | 2013-01-02 |
| CN102853412B CN102853412B (en) | 2016-08-10 |
Family
ID=46317386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110180278.8A Expired - Fee Related CN102853412B (en) | 2011-06-29 | 2011-06-29 | Sealing device and the illuminator being furnished with this sealing device for electronic installation |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102853412B (en) |
| WO (1) | WO2013000715A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6206546B1 (en) * | 1999-01-27 | 2001-03-27 | Greenlee Lighting | Light fixture with improved sealing features |
| CN201496841U (en) * | 2009-08-31 | 2010-06-02 | 潍坊明锐光电科技有限公司 | Reflective ghosting preventive LED road lamp |
| CN201589155U (en) * | 2010-01-15 | 2010-09-22 | 佛山市托维环境亮化工程有限公司 | Light-penetrating glass locking structure of LED street lamp |
| CN102042514A (en) * | 2009-10-15 | 2011-05-04 | 富准精密工业(深圳)有限公司 | Lamp |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7029139B2 (en) * | 2004-05-05 | 2006-04-18 | Kenall Manufacturing Company | Lighting fixture with water shunt |
| DE202008004535U1 (en) * | 2008-04-02 | 2009-08-13 | Ledon Lighting Gmbh | Luminaire housing for receiving at least one light source |
| TWM366024U (en) * | 2009-04-03 | 2009-10-01 | Genius Electronic Optical Co Ltd | Lamp holder having heat-dissipation fins |
-
2011
- 2011-06-29 CN CN201110180278.8A patent/CN102853412B/en not_active Expired - Fee Related
-
2012
- 2012-06-14 WO PCT/EP2012/061255 patent/WO2013000715A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6206546B1 (en) * | 1999-01-27 | 2001-03-27 | Greenlee Lighting | Light fixture with improved sealing features |
| CN201496841U (en) * | 2009-08-31 | 2010-06-02 | 潍坊明锐光电科技有限公司 | Reflective ghosting preventive LED road lamp |
| CN102042514A (en) * | 2009-10-15 | 2011-05-04 | 富准精密工业(深圳)有限公司 | Lamp |
| CN201589155U (en) * | 2010-01-15 | 2010-09-22 | 佛山市托维环境亮化工程有限公司 | Light-penetrating glass locking structure of LED street lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102853412B (en) | 2016-08-10 |
| WO2013000715A1 (en) | 2013-01-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20190629 |