CN101852420B - Structure of breathing hole - Google Patents
Structure of breathing hole Download PDFInfo
- Publication number
- CN101852420B CN101852420B CN 201010214175 CN201010214175A CN101852420B CN 101852420 B CN101852420 B CN 101852420B CN 201010214175 CN201010214175 CN 201010214175 CN 201010214175 A CN201010214175 A CN 201010214175A CN 101852420 B CN101852420 B CN 101852420B
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- Prior art keywords
- groove
- barricade
- housing
- breathing hole
- shell
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
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 is high, can produce a large amount of heats, so that the air of inside, lamp chamber expands, 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 quits work, the fast-descending of internal temperature will make lamp chamber inner air shrink, pressure decreased, 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 reliability and the part life of illuminator, particularly in out of doors the environment, under the condition of raining, rainwater makes the pressure drop of inside, lamp chamber faster, and it is inner that powerful negative pressure can suck the 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 normal operation threaded mounting hole is as spiracle, the permeation effect can be played in gap by screw thread, make internal and external pressure balance, at housing 3 an inside agglomerate 5 that contacts with screw 1 bottom is set 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 at housing 3, and the outside fills one and breathes cylinder 7, and breathing between cylinder 7 and the housing 3 has a layer absorbent material 6 (such as active carbon), breathes cylinder 7 outer covering and protecting cover 8 is set as protection.
Yet above-mentioned prior art structure has following weak point:
First kind of way 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, can not Fast-Balance inside and outside pressure differential, result of use is not good, in the long-time process of using, can lose because of adhering to of dust respiration.
The second way also can lose because of adhering to of dust respiration 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 at housing, and to add the design of protecting cover comparatively simple, although can reach pressure balance, waterproof effect is very poor, can only play waterproof action at a certain specific direction.
Summary of the invention
The object of the present invention is to provide on a kind of lighting with the structure of breathing hole of water-proof function, the breathing structure that is intended to solve prior art can not effectively solve internal and external pressure balance in the illuminator reduces heat process, can not continue for a long time the poor problem of generation effect and waterproof effect.
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 at least one deck barricade of on described housing, putting along the outer ring winding of described groove, described barricade is stretched out by described housing outer surface and forms, one-body molded with described housing, offer at least one breach on it, described barricade outboard cover is provided with protecting cover, it is characterized in that: serve as reasons two or more bar shaped fin or arc fin of described barricade combines, and described barricade sets up separately two-layer or three layers, and the breach on each layer barricade shifts to install.
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 consists of circulus by one or one or more.
Further, the connectivity part of described groove and housing inner chamber is provided with the suction piece, 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 at 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 at short notice lamp chamber external and internal pressure reach balance; Utilize simultaneously protecting cover and barrier wall structure, 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 again water or gas directly to enter in the housing inner chamber, the breathing structure that effectively solves prior art can not effectively solve internal and external pressure balance in the illuminator reduces heat process, can not continue for a long time the poor problem of generation effect and waterproof effect.
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 example structure schematic diagram provided by the invention;
Fig. 4 is that embodiment provided by the invention uses state diagram.
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, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit 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, in the outside of described groove 70, be surrounded with at least one deck barricade 80, these barricade 80 described housings 30, offer at least one breach for breathing 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 housing 30 processing, centers on barricade 80 around will groove 70, and leaving certain gaps uncovered by the economic plan water flowing, gas, covering protecting cover 20 at barricade 80 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 there is no pressure differential inside and outside, can make at short notice lamp chamber external and internal pressure reach balance; And under the environment of IP65, when water flows to groove 70 from all directions, water is in the Action of Gravity Field current downflow basically, protecting cover 20 keeps off most of water in the outside first, only have a small amount 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 again water or gas directly to enter in housing 30 inner chambers 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 on the one hand barricade 80 is tight with the combination of housing 30, 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 shown in Fig. 5 A, adopt the arc-shaped slot structure.
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 by three strip grooves, or process many strip grooves and be combined to form polygonized structure (not shown).Or shown in Fig. 5 A, the groove 70 of described arc can consist of 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 housing 30 interior exocoels have enough ventilations, water flowing area on the one hand, is unlikely on the other hand the quick infiltration that the aperture causes too greatly water liquid and gas, 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 consists of by bar shaped fin or arc fin to enclose 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 the first barricade 801 and the second barricade 802, wherein the second barricade 802 is the bar shaped fin of bending, offer respectively corresponding the first breach 8011 and the second breach 8021 on the first barricade 801 and the second barricade 802, 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 the first barricade 801, the second barricade 802 and the 3rd barricade 803, offer respectively corresponding the first breach 8011, the second breach 8021 and the 3rd breach 8031 on described the first barricade 801, the second barricade 802 and the 3rd barricade 803, above-mentioned each breach mutual dislocation arranges, 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, only have 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 through above-mentioned barricade 80 structure that arranges layer by layer the time, the mobile meeting of aqueous vapor is subject to stopping of multilayer, further because the effect of these breach, can greatly prolong the distance that it flows, reduce flowing velocity, these aqueous vapors are blocked outside fully the most at last.In the present embodiment structure, because the radiating ribs of housing 30 both sides is very high, and lean on very closely with protecting cover 20, 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 combination 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 connectivity part 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 for the corresponding design of suction piece 60 shapes, to ensure 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 by screws on housing 30 inwalls.Like this, even there is a small amount of aqueous vapor to enter in the groove 70 with air, also can be adsorbed by suction piece 60, and it is inner can not enter the lamp chamber.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 the lamp chamber fully inner.
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 only has a small amount 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 limiting the present invention, all any modifications of doing 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 (7)
1. 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 at least one deck barricade of on described housing, putting along the outer ring winding of described groove, described barricade is stretched out by described housing outer surface and forms, one-body molded with described housing, offer at least one breach on it, described barricade outboard cover is provided with protecting cover, it is characterized in that: serve as reasons two or more bar shaped fin or arc fin of described barricade combines, described barricade sets up separately two-layer or three layers, and the breach on each layer barricade shifts to install.
2. a kind of structure of breathing hole as claimed in claim 1, it is characterized in that: described groove is circular hole, strip groove or arc-shaped slot.
3. a kind of structure of breathing hole as claimed in claim 2, it 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.
4. a kind of structure of breathing hole as claimed in claim 2 is characterized in that: described arc-shaped slot consists of circulus by one or one or more.
5. such as each described a kind of structure of breathing hole of claim 1-4, it is characterized in that: the connectivity part of described groove and housing inner chamber is provided with the suction piece, and described suction piece is fixed by the suction pressing plate.
6. such as each described a kind of structure of breathing hole of claim 1-4, it is characterized in that: be provided with sealing gasket between described protecting cover and the barricade.
7. a kind of structure of breathing hole as claimed in claim 5 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 CN101852420A (en) | 2010-10-06 |
| CN101852420B true CN101852420B (en) | 2013-02-13 |
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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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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 |
| 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 |
| CN201448807U (en) * | 2009-07-04 | 2010-05-05 | 谈建超 | Housing structure of LED illuminating lamp |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101852420A (en) | 2010-10-06 |
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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 |