CN101852420A - Structure of breathing hole - Google Patents
Structure of breathing hole Download PDFInfo
- Publication number
- CN101852420A CN101852420A CN 201010214175 CN201010214175A CN101852420A CN 101852420 A CN101852420 A CN 101852420A CN 201010214175 CN201010214175 CN 201010214175 CN 201010214175 A CN201010214175 A CN 201010214175A CN 101852420 A CN101852420 A CN 101852420A
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- Prior art keywords
- groove
- barricade
- housing
- breathing hole
- shell
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Abstract
The invention provides a structure of a breathing hole, which is arranged on a shell and comprises at least one through groove and at least one layer of retaining wall, wherein the at least one through groove is arranged on the shell in a penetrating manner and is communicated with an inner cavity of the shell; the at least one layer of retaining wall is arranged on the shell around the outer side of the through groove and is provided with at least one notch; and the outer side of the retaining wall is provided with a protecting cover in a covering manner. In the structure, the shell is provided with the through groove communicated with the inner cavity of the shell in a penetrating manner; while the air inside a lamp cavity is shrunk fast, the air outside the lamp cavity can pass through the through groove and enters the lamp cavity fast so as to supplement the inner space of the lamp cavity, and simultaneously the structure of the protecting cover and the retaining wall is utilized to lead the through groove to breathe and block a water layer simultaneously, and lead the water not to be capable of entering the through groove; therefore, the structure of the breathing hole not only guarantees the rapid balance of the internal pressure and external pressure in the lamp cavity, but also avoids water or the air from directly entering the inner cavity of the shell simultaneously, and effectively solves the problems that the breathing structure in the prior art can not effectively maintain the balance of the internal pressure and the external pressure in the process of rapid temperature reduction of an illuminating system, can not act for long time continuously and has poor waterproof effect.
Description
Technical field
The present invention relates to field of light fittings, especially relate to a kind of structure of breathing hole of light fixture.
Background technology
In airtight high-power illumination system, because light source power height, can produce a large amount of heats, make the air of inside, lamp chamber expand, form the inner outside pressure differential that is higher than, be commonly called as and be malleation, when the light source long-term work, the inner air that expands can slowly release from sealed faying face, and when light source quit work, the quick general who has surrendered down of internal temperature shrank lamp chamber inner air, pressure reduces, formation inside is lower than outside pressure differential, is commonly called as to be negative pressure, and the existence of malleation and negative pressure all can have a negative impact to the reliability and the part life of illuminator, particularly in the environment out of doors, under the condition of raining, it is faster that rainwater descends lamp chamber pressure inside, and powerful negative pressure can suck inside, lamp chamber from sealed faying face with water, thereby cause the inefficacy of sealing, therefore, in structure of breathing hole design, must come pressure inside and outside the balance lamp chamber by spiracle.
As shown in Figure 1, in existing technology, the general threaded mounting hole that uses is as spiracle, the permeation effect can be played in gap by screw thread, make internal and external pressure balance, the one inside agglomerate 5 that contacts with screw 1 bottom is set on housing 3 again, these agglomerate 5 one ends place with in threaded mounting hole is communicated with endoporus, the other end covers by a pressing plate 4 and is fixing, utilize irregular gap between agglomerate 5 outsides and the housing 3 endoporus inwalls to play the effect of waterproof permeation, protecting cover 2 is used for protection on housing 3 outboard cover simultaneously.Referring to Fig. 2, what also have opens a passage on housing 3, and the outside is adorned one and breathed tube 7, and breathing between tube 7 and the housing 3 has a layer absorbent material 6 (as active carbon), breathes tube 7 outer covering and protecting cover 8 is set as protecting.
Yet above-mentioned prior art structure has following weak point:
First kind of mode is because the gap after the screw-threaded coupling is very little, gap between agglomerate 5 and the housing 3 endoporus inwalls is also very little, the speed of permeation is very slow, when system temperature sharply descends, balance inside and outside pressure differential fast, result of use is not good, in the long-time process of using, can lose respiration because of adhering to of dust.
The second way also can lose respiration because of adhering to of dust in the long-time process of using, and the long-term use of water imbibition material 6 also can lose its effect, changes also very trouble.
Aforesaid way is opened pore on housing to add the design of protecting cover comparatively simple, though can reach pressure balance, waterproof effect is very poor, can only play waterproof action on a certain specific direction.
Summary of the invention
The object of the present invention is to provide on a kind of lighting the structure of breathing hole of band water-proof function, the breathing structure that is intended to solve prior art can not effectively solve internal and external pressure balance in the rapid temperature-fall period of illuminator, can not continue the problem of generation effect and waterproof effect difference for a long time.
The present invention realizes like this, a kind of structure of breathing hole, be arranged on the housing, comprise and be opened on the described housing and at least one groove that is communicated with the housing inner chamber, and the barricade of putting in the outer ring winding of the described groove in described housing upper edge of one deck at least, offer at least one breach on the described barricade, described barricade outboard cover is provided with protecting cover.
Particularly, described barricade and described housing are one-body molded, and described barricade is stretched out by housing outer surface and forms.
Preferably, described groove is circular hole, strip groove or arc-shaped slot.
Further, described strip groove is combined to form the parallel slotted hole structure by two or more, or is combined as triangle or polygonized structure.
Further, described arc-shaped slot constitutes circulus by one or one or more.
Preferably, serve as reasons two or more bar shaped fin or arc fin of described barricade combines.
Further, described barricade sets up separately two-layer or three layers, and the breach on each layer barricade shifts to install.
Further, described groove is provided with the suction piece with the place of connection of housing inner chamber, and described suction piece is fixed by the suction pressing plate.
Further, be provided with sealing gasket between described protecting cover and the barricade.
The present invention is by wearing a groove that is communicated with the housing inner chamber on housing, when lamp chamber inner air shrinks fast, extraneous air can enter the lamp chamber fast by groove, replenishes inner space, lamp chamber, can make lamp chamber external and internal pressure reach balance at short notice; Utilize protecting cover and barrier wall structure simultaneously, make groove when breathing, the water layer layer is intercepted, make water liquid can not enter into groove, both guaranteed the rapid balance of lamp chamber external and internal pressure, simultaneously avoided water or gas directly to enter in the housing inner chamber again, the breathing structure that effectively solves prior art can not effectively solve internal and external pressure balance in the rapid temperature-fall period of illuminator, can not continue the problem of generation effect and waterproof effect difference for a long time.
Description of drawings
Fig. 1 is prior art structure of breathing hole one schematic diagram;
Fig. 2 is prior art structure of breathing hole two schematic diagrames;
Fig. 3 is an example structure schematic diagram provided by the invention;
Fig. 4 is embodiment user mode figure provided by the invention.
Fig. 5 A is the structure embodiment of I place one of Fig. 4 of the present invention;
Fig. 5 B is the structure embodiment of I place two of Fig. 4 of the present invention;
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Referring to Fig. 3-Fig. 5, the invention provides a kind of light fixture structure of breathing hole, be arranged on the lamp casing 30, comprise at least one groove 70, this groove 70 is arranged on the described housing 30, be communicated with the inner chamber of housing 30,, be surrounded with one deck barricade 80 at least in the outside of described groove 70, these barricade 80 described housings 30, offer at least one breach that is used to breathe freely on it, described barricade 80 outboard cover are provided with protecting cover 20, and protecting cover 20 is fixed on the housing 30 by securing member 10.The present invention is by at least one groove 70 of processing on housing 30, centers on barricade 80 around will groove 70, and leaving certain gaps uncovered by the economic plan water flowing, gas, on barricade 80, covering protecting cover 20 again, its integrally-built size does not exceed the size on housing 30 planes.Adopt structure of breathing hole of the present invention, because groove 70 is relatively large, when lamp chamber inner air shrinks fast, extraneous air enters the lamp chamber fast by groove 70, replenish inner space, lamp chamber, therefore do not have pressure differential basically inside and outside, can make lamp chamber external and internal pressure reach balance at short notice; And under the environment of IP65, when water flows to groove 70 from all directions, water is in gravity effect current downflow basically, protecting cover 20 keeps off most of water earlier in the outside, have only a spot of water to enter in the protecting cover 20 by the slit of protecting cover 20 with housing 30, add to be surrounded on groove 70 barricade 80 on every side, water can only be flowed along both sides, be difficult to enter in the groove 70.Therefore, utilize protecting cover 20 and barricade 80 structures, make groove 70 when breathing, the water layer layer is intercepted, make water liquid can not enter into groove, both guaranteed the rapid balance of lamp chamber external and internal pressure, and avoided water or gas directly to enter in housing 30 inner chambers again simultaneously, thereby realized purpose of the present invention.
In the specific embodiment of the invention, but described barricade 80 adds the integrated injection molding in man-hour with described housing 30, and being stretched out by described housing 30 outer surfaces forms fin shape structure.This mode can guarantee effectively that barricade 80 is tight with combining of housing 30 on the one hand, on the other hand, also can be used as the part of housing 30 ribs, to improve the intensity of housing 30.
In the specific embodiment of the present invention, described groove 70 can be at least one round tube hole, also can be the strip groove shown in Fig. 5 B, also can adopt the arc-shaped slot structure shown in Fig. 5 A.
Further, in the illustrated embodiment provided by the invention, shown in Fig. 5 B, described groove 70 can be combined by two or more parallel strip groove of offering, also can be combined into triangular structure, or process many strip grooves and be combined to form polygonized structure (not shown) by three strip grooves.Or shown in Fig. 5 A, the groove 70 of described arc can constitute circulus (groove by four arcs shown in Fig. 5 A constitutes circulus) by one or one or more.The said structure design can guarantee that on the one hand exocoel has enough ventilations, water flowing area in the housing 30, is unlikely to the quick infiltration that the aperture causes water liquid and gas too greatly on the other hand, avoids producing seal failure.
Please again referring to Fig. 5 A, Fig. 5 B, among barricade 80 embodiment provided by the invention, it can be combined by two or more bar shaped fin or the arc fin that are arranged on housing 30 outer surfaces, wherein but the bending of bar shaped fin forms, and constitutes by bar shaped fin or arc fin to surround in the barrier structure of groove 70 peripheries.
Referring to Fig. 5 B, in the barricade 80 illustrated concrete structures of the present invention, described groove 70 can be combined by two parallel strip grooves of offering, accordingly, described barricade 80 sets up two-layer setting (also can set up three layers separately) separately, be respectively first barricade 801 and second barricade 802, wherein second barricade 802 is the bar shaped fin of bending, offer corresponding first breach 8011 and second breach 8021 on first barricade 801 and second barricade 802 respectively, above-mentioned breach shifts to install, and is positioned at entity part 701 dislocation on the housing 30 on simultaneously parallel with the two strip groove 70.
Similarly, referring to Fig. 5 A, in barricade 80 illustrated another concrete structures of the present invention, described groove 70 can constitute ring-type by four arc-shaped slots, accordingly, described barricade 80 sets up three layers of setting separately, be respectively first barricade 801, second barricade 802 and the 3rd barricade 803, offer corresponding first breach 8011, second breach 8021 and the 3rd breach 8031 on described first barricade 801, second barricade 802 and the 3rd barricade 803 respectively, above-mentioned each breach mutual dislocation is provided with, and is positioned at entity part 701 dislocation on the housing 30 simultaneously with on the arc-shaped slot 70.
Adopt the present invention of above-mentioned barricade 80 structures, under the environment of IP65 sealing protection grade, when water flows to groove 70 from all directions, because the effect of protecting cover 20, have only a small amount of aqueous vapor to enter in the protecting cover 20 by the slit of protecting cover 20 with housing 30 with air, and when barricade 80 structures of the above-mentioned setting layer by layer of process, the mobile meeting of aqueous vapor is subjected to stopping of multilayer, further because the effect of these breach, can prolong the distance that it flows greatly, reduce flowing velocity, these aqueous vapors are blocked outside fully the most at last.In the present embodiment structure,, and lean on very closely with protecting cover 20 because the radiating ribs of housing 30 both sides is very high, in fact played the effect of waterwall, therefore when using the structure of breathing hole of the embodiment of the invention, outermost layer barricade 80 can reduce by two breach, thereby optimize structure, reduce material cost.
Based on above-mentioned design concept, groove 70 of the present invention and barricade 80 can also be the combinations of bar shaped groove and arc barricade, or the combination of arc-shaped slot and bar shaped barricade, more can adopt other shapes and compound mode to realize according to concrete housing 30 structures, can realize above-mentioned purpose equally.
Further, described groove 70 is provided with suction piece 60 with the place of connection of housing 40 inner chambers, can adopt the good material of water absorbing properties to make, specifically can be designed to a boss shape structure, housing 30 is also at the corresponding design of suction piece 60 shapes, to guarantee to have enough soakages, described suction piece 60 is pressed in groove 70 ends by suction pressing plate 40, and described suction pressing plate 40 is fixed on housing 30 inwalls by screw.Like this, even there is a small amount of aqueous vapor to enter in the groove 70, also can be adsorbed, and can not enter inside, lamp chamber by suction piece 60 with air.Like this, the suction piece 60 that is arranged at housing 30 inboards can further adsorb the aqueous vapor that enters groove 70 with air, thereby in the effect that reaches the balance external and internal pressure, stops aqueous vapor to enter inside, lamp chamber fully.
In the embodiment of the invention, can be provided with sealing gasket 50 between described protecting cover 20 and the barricade 80, sealing gasket 50 covers on the barricade 80, and protecting cover 20 is placed on the sealing gasket 50 again, and both are locked on the housing 30 by securing member 10.Because the effect of protecting cover 20 has only a spot of water to enter in the protecting cover 20 by the slit of protecting cover 20 with housing 30, the setting of sealing gasket 50 is block water mobile further, for the follow-up effect of barricade 80 provides better basis.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. structure of breathing hole, be arranged on the housing, it is characterized in that: comprise being opened on the described housing and at least one groove that is communicated with the housing inner chamber, and the barricade of putting in the outer ring winding of the described groove in described housing upper edge of one deck at least, offer at least one breach on the described barricade, described barricade outboard cover is provided with protecting cover.
2. a kind of structure of breathing hole as claimed in claim 1 is characterized in that: described barricade and described housing are one-body molded, and described barricade is stretched out by housing outer surface and forms.
3. a kind of structure of breathing hole as claimed in claim 2 is characterized in that: described groove is circular hole, strip groove or arc-shaped slot.
4. a kind of structure of breathing hole as claimed in claim 3 is characterized in that: described strip groove is combined to form the parallel slotted hole structure by two or more, or is combined as triangle or polygonized structure.
5. a kind of structure of breathing hole as claimed in claim 3 is characterized in that: described arc-shaped slot constitutes circulus by one or one or more.
6. as each described a kind of structure of breathing hole of claim 1-5, it is characterized in that: serve as reasons two or more bar shaped fin or arc fin of described barricade combines.
7. a kind of structure of breathing hole as claimed in claim 6 is characterized in that: described barricade sets up separately two-layer or three layers, and the breach on each layer barricade shifts to install.
8. as each described a kind of structure of breathing hole of claim 1-5, it is characterized in that: described groove is provided with the suction piece with the place of connection of housing inner chamber, and described suction piece is fixed by the suction pressing plate.
9. as each described a kind of structure of breathing hole of claim 1-5, it is characterized in that: be provided with sealing gasket between described protecting cover and the barricade.
10. a kind of structure of breathing hole as claimed in claim 8 is characterized in that: be provided with sealing gasket between described protecting cover and the barricade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010214175 CN101852420B (en) | 2010-06-29 | 2010-06-29 | Structure of breathing hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010214175 CN101852420B (en) | 2010-06-29 | 2010-06-29 | Structure of breathing hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101852420A true CN101852420A (en) | 2010-10-06 |
| CN101852420B CN101852420B (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010214175 Expired - Fee Related CN101852420B (en) | 2010-06-29 | 2010-06-29 | Structure of breathing hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101852420B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809140A (en) * | 2011-06-01 | 2012-12-05 | 海洋王照明科技股份有限公司 | Waterproof structure and lamp |
| CN104197243A (en) * | 2014-08-27 | 2014-12-10 | 广东金达照明科技股份有限公司 | LED project lamp |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6059437A (en) * | 1998-09-18 | 2000-05-09 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
| CN200986168Y (en) * | 2006-10-23 | 2007-12-05 | 汤正方 | Lamp water proof air breather |
| CN101331037A (en) * | 2005-12-14 | 2008-12-24 | 日东电工株式会社 | Ventilating member and ventilating structure |
| CN201289056Y (en) * | 2008-07-25 | 2009-08-12 | 陈瑞斌 | Conducting sealing device with air pressure balancer |
| CN201448807U (en) * | 2009-07-04 | 2010-05-05 | 谈建超 | Housing structure of LED illuminating lamp |
| CN201448808U (en) * | 2009-07-13 | 2010-05-05 | 河源市粤兴实业有限公司 | LED street lamp with respiration function |
| CN101706092A (en) * | 2009-11-10 | 2010-05-12 | 海洋王照明科技股份有限公司 | Light fitting sealing structure with respiratory function |
-
2010
- 2010-06-29 CN CN 201010214175 patent/CN101852420B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6059437A (en) * | 1998-09-18 | 2000-05-09 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
| CN101331037A (en) * | 2005-12-14 | 2008-12-24 | 日东电工株式会社 | Ventilating member and ventilating structure |
| CN200986168Y (en) * | 2006-10-23 | 2007-12-05 | 汤正方 | Lamp water proof air breather |
| CN201289056Y (en) * | 2008-07-25 | 2009-08-12 | 陈瑞斌 | Conducting sealing device with air pressure balancer |
| CN201448807U (en) * | 2009-07-04 | 2010-05-05 | 谈建超 | Housing structure of LED illuminating lamp |
| CN201448808U (en) * | 2009-07-13 | 2010-05-05 | 河源市粤兴实业有限公司 | LED street lamp with respiration function |
| CN101706092A (en) * | 2009-11-10 | 2010-05-12 | 海洋王照明科技股份有限公司 | Light fitting sealing structure with respiratory function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809140A (en) * | 2011-06-01 | 2012-12-05 | 海洋王照明科技股份有限公司 | Waterproof structure and lamp |
| CN102809140B (en) * | 2011-06-01 | 2014-02-19 | 海洋王照明科技股份有限公司 | Waterproof structure and lamp |
| CN104197243A (en) * | 2014-08-27 | 2014-12-10 | 广东金达照明科技股份有限公司 | LED project lamp |
| CN104197243B (en) * | 2014-08-27 | 2017-02-15 | 广东金达照明科技股份有限公司 | LED project lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101852420B (en) | 2013-02-13 |
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Granted publication date: 20130213 Termination date: 20200629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |