CN101718425B - Waterproof and breathable structure for lamp - Google Patents
Waterproof and breathable structure for lamp Download PDFInfo
- Publication number
- CN101718425B CN101718425B CN 200910189568 CN200910189568A CN101718425B CN 101718425 B CN101718425 B CN 101718425B CN 200910189568 CN200910189568 CN 200910189568 CN 200910189568 A CN200910189568 A CN 200910189568A CN 101718425 B CN101718425 B CN 101718425B
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- Prior art keywords
- pore
- light fixture
- waterproof
- tail
- hood
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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 relates to a waterproof and breathable structure for a lamp, which comprises a wiring cover. The wiring cover is communicated with the interior of the lamp. The wiring cover is provided with at least one air hole communicated with the interior and exterior of the wiring cover. A ventilation plug with a breathable micropore structure is arranged in the air hole. The waterproof and breathable structure also comprises a sealing assembly and a tail cover, wherein the sealing assembly is used for sealing the ventilation plug and the air hole; the tail cover is arranged outside the wiring cover to cover the air hole; and a water inlet and outlet groove and a through hole are arranged on the tail cover. When the interior air pressure of the illuminating lamp changes, the breathable structure enables the pressures of the interior and the exterior of the lamp to be balanced through the air communication of the ventilation plug and the outside, and the tail cover with the water inlet and outlet hole and the breathable hole is covered on the air hole, so the breathable function of the air hole is ensured, and the water can not flow into the air hole.
Description
Technical field
The present invention relates to light fixture, especially need the light fixture of water-tight, more particularly, relate to a kind of waterproof and breathable structure that is used for light fixture.
Background technology
Existing lighting, especially outdoor use or the abominable light fixture of working environment adopt hermetic structure usually; But because light source can produce heat in work; Particularly high power light source can produce a large amount of heat during work, makes the temperature rise of lamp interior higher; Cause air pressure inside to raise, the pressure of generation overstocks housing and seeks pressure release passage; When light source extinguishes, along with the temperature in the light fixture reduces, can produce negative pressure again, in case light fixture has slight gap, steam etc. will enter into lamp interior thereupon, influence the normal function of light fixture.In addition, the malleation and the negative pressure of lamp interior replace repeatedly, also can destroy the airtightness of lamps ability gradually.
Summary of the invention
The technical problem that the present invention will solve is, provides a kind of and can keep the light fixture inside and outside air pressure balance because of the inner and outer air pressure variation can cause the defective of light fixture water inlet to the above-mentioned of the light fixture of prior art, prevents the waterproof and breathable structure of light fixture water inlet.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of waterproof and breathable structure that is used for light fixture; Comprise the separate terminal enclosure that is connected with lamp interior; It is characterized in that having the pore of a connection separate terminal enclosure inside and outside on the said separate terminal enclosure at least, be provided with ventilation plug in the said pore with breathable microcellular structure; This waterproof and breathable structure also comprises and is used to the black box of ventilating and sealing between plug and the said pore; And a tail-hood, the outside that said tail-hood is arranged on said separate terminal enclosure covers said pore, and said tail-hood is provided with turnover tank and through hole.
At the waterproof and breathable structure that is used for light fixture of the present invention, said tail-hood has an openend and bottom, and said turnover tank is positioned at the edge of said openend, and said through hole is positioned at the bottom of said tail-hood.
At the waterproof and breathable structure that is used for light fixture of the present invention, said pore is positioned on the center line of said separate terminal enclosure, and said through hole and said pore shift to install.
At the waterproof and breathable structure that is used for light fixture of the present invention, position, pore place is to outer lug on the said separate terminal enclosure.
At the waterproof and breathable structure that is used for light fixture of the present invention, said turnover tank is a plurality of, is distributed on the edge of the openend of said tail-hood.
At the waterproof and breathable structure that is used for light fixture of the present invention, said turnover tank is the limit groove at edge that is arranged on the openend of said tail-hood.
At the waterproof and breathable structure that is used for light fixture of the present invention; Said pore is a stepped hole; The shape of said ventilation plug and the shape of said pore are suitable; Said black box comprises the sealing gasket between said ventilation plug and said pore, and is used for said ventilation plug is pressed in the pressing plate in the said pore, and said pressing plate has over against the air-vent of said ventilation plug.
At the waterproof and breathable structure that is used for light fixture of the present invention, said ventilation plug is formed by thin shot copper compacting of uniform size, or is processed by ventilative steel.
At the waterproof and breathable structure that is used for light fixture of the present invention, said ventilation plug is processed by ventilative water proof material.
At the waterproof and breathable structure that is used for light fixture of the present invention, said sealing gasket is a rubber blanket.
The waterproof and breathable structure that is used for light fixture of embodiment of the present invention; Have following beneficial effect: ventilating structure of the present invention makes when the lighting air pressure inside changes; Be communicated with extraneous gas through the ventilation plug, make lamp interior and outside air pressure keep balance, the tail-hood that has turnover tank and through hole covers on the said pore; Can guarantee the airing function of pore, can guarantee that again water can not flow to the position of pore.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the profile with light fixture of ventilating structure of the present invention;
Fig. 2 is an A portion enlarged drawing among Fig. 1;
Fig. 3 is the sketch map that is used for the ventilating structure ventilation plug of light fixture of the present invention;
Fig. 4 is the sketch map that is used for the ventilating structure sealing gasket of light fixture of the present invention;
Fig. 5 is the sketch map that is used for the ventilating structure center platen of light fixture of the present invention;
Fig. 6 is the sketch map of the separate terminal enclosure of light fixture;
Fig. 7 is the profile of separate terminal enclosure;
Fig. 8 is the sketch map of the tail-hood of light fixture.
The specific embodiment
As shown in Figure 1, be the profile of light fixture 1 with ventilating structure of the present invention, in this light fixture, ventilating structure is positioned at the afterbody of light fixture, but is not limited to be arranged on afterbody, and suitable position can be set as required.How further introduce ventilating structure of the present invention below realizes.
As shown in Figure 2, ventilating structure of the present invention is arranged on the separate terminal enclosure 10 of light fixture, and separate terminal enclosure 10 is the part of the housing of light fixture 1, and it is connected with lamp interior, and cable gets into light fixture by separate terminal enclosure, and cable and separate terminal enclosure advance between the cable hole to be provided with sealing.Referring to Fig. 6 and Fig. 7, have a pore 11 on the separate terminal enclosure 10, this pore 11 is communicated with the inside and outside of light fixture 1; In pore 11, be provided with ventilation plug 20; This ventilation plug 20 has the breathable microcellular structure, is provided with sealing gasket 30 between ventilation plug 20 and the pore, the sealing between ventilation plug 20 and the pore 11; This ventilating structure also comprises a pressing plate 40, and pressing plate 40 plug 20 of will ventilating is pressed in the pore.When lamp interior air pressure changes; Can be through the outside gas UNICOM that realizes of ventilation plug 20 and light fixture; Gas can get into or discharge light fixture through ventilation plug 20, realizes the air pressure balance that light fixture is inside and outside, prevents because the bad influence that sealing causes to light fixture of malleation or negative pressure.
For anti-sealing accumulates in pore 11 places, at outer cup one tail-hood 50 of pore, tail-hood 50 is connected on the separate terminal enclosure 10; Cover pore 11, have a plurality of turnover tanks on the tail-hood 50, in the present embodiment; The turnover tank is the limit groove 51 at edge that is distributed on the openend of tail-hood 50, and the bottom of tail-hood 50 has three through holes 53, and through hole 53 shifts to install with pore 11 on the separate terminal enclosure 10; Be through hole 53 with pore 11 not on same axis, in this enforcement, pore 11 is positioned on the center line of separate terminal enclosure 10; Through hole 53 then is distributed on around the center line of tail-hood 50, during assembling, and the central lines of separate terminal enclosure 10 and tail-hood 50; Because separate terminal enclosure 10 is raised with tail-hood 50 assembling surface centers, under anhydrous situation, limit groove 51 can be as inlet channel with through hole 53; Cooperate with the ventilation plug on the separate terminal enclosure, guarantee the air pressure balance of light fixture inside and outside, have again under the situation of water; Because limit groove 51 has a plurality of and is distributed on the edge of the opening of tail-hood 50,, also can discharge by being in that limit groove of low level in the limit groove 51 even there is water to enter in the tail-hood 50; And the pore position is than higher, and water can not flow to pore 11 places, can effectively prevent to cause having water to be drawn in the light fixture because of occurring negative pressure in the light fixture.Even the lamp installation mode changes; For example the afterbody of light fixture upwarps or declivity, because limit groove 51 is positioned at the openend of tail-hood, through hole 53 is positioned at the bottom of tail-hood; No matter in what position; Limit groove 51 and through hole 53 be because position height different, water flowed out from the limit groove that is in low level or through hole, and can not flow to pore 11 places.The tail-hood 50 of this instance has joint pin 52, and screw is fixed on tail-hood 50 on the separate terminal enclosure 10 through hole 13 on the separate terminal enclosure 10.
Referring to Fig. 2 to Fig. 7, in the present embodiment, pore 11 is a shoulder hole; It has a step 111, and sealing gasket 30 is arranged on the step 111, and the shape of ventilation plug 20 and the shape of pore 11 are suitable; Also be stepped, have a base portion 21 and head 22, sealing gasket 30 parts coat base portion 21; Can obtain better sealing effectiveness like this, also be convenient to assembling and positioning etc. simultaneously.During assembling; Sealing gasket 30 is placed on the step 111; The ventilation plug 20 of packing into then, the head 22 of ventilation plug 20 passes the hole 31 at sealing gasket 30 middle parts, and the hole 42 of passing pressing plate 40 with screw then is fixed on pressing plate on the separate terminal enclosure 10; The plug 20 of will ventilating is fixed in the pore 11, and said pressing plate 40 has over against the air-vent 41 of ventilation plug 20.In order can better waterproof to enter in the light fixture, outwards protrude at the position 12 at pore 11 places, and waterproof effect is also played near liquid that can not gathering pore 11 such as water so to a certain extent.
In the present embodiment, ventilating structure is arranged on the afterbody of light fixture, is not limited at afterbody in the practical application.Ventilation plug 20 is processed for gas permeable material, can adopt thin shot copper compacting of uniform size to form, and is perhaps processed by ventilative steel.Sealing gasket 30 can be the sealing gasket of rubber blanket or other types.The ventilation plug can also be processed by having ventilative water proof material, promptly can only gas permeation, and liquid such as water can't pass through.Sealing between ventilation plug 20 and the pore 11 also can be adopted the form sealing of fluid sealant, is not limited to the form sealing of sealing gasket.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. waterproof and breathable structure that is used for light fixture; Comprise the separate terminal enclosure that is connected with lamp interior; It is characterized in that having the pore of a connection separate terminal enclosure inside and outside on the said separate terminal enclosure at least, be provided with ventilation plug in the said pore with breathable microcellular structure; This waterproof and breathable structure also comprises and is used to the black box of ventilating and sealing between plug and the said pore; And a tail-hood, the outside that said tail-hood is arranged on said separate terminal enclosure covers said pore, and said tail-hood is provided with turnover tank and through hole.
2. the waterproof and breathable structure that is used for light fixture according to claim 1 is characterized in that said tail-hood has an openend and bottom, and said turnover tank is positioned at the edge of said openend, and said through hole is positioned at the bottom of said tail-hood.
3. the waterproof and breathable structure that is used for light fixture according to claim 2 is characterized in that said pore is positioned at the center of said separate terminal enclosure, and said through hole and said pore shift to install.
4. the waterproof and breathable structure that is used for light fixture according to claim 3 is characterized in that, position, pore place is to outer lug on the said separate terminal enclosure.
5. the waterproof and breathable structure that is used for light fixture according to claim 4 is characterized in that, said turnover tank is a plurality of, is distributed on the edge of the openend of said tail-hood.
6. the waterproof and breathable structure that is used for light fixture according to claim 5 is characterized in that, said turnover tank is the limit groove at edge that is arranged on the openend of said tail-hood.
7. according to each described waterproof and breathable structure that is used for light fixture of claim 1 to 5; It is characterized in that; Said pore is a stepped hole, and the shape of said ventilation plug and the shape of said pore are suitable, and said black box comprises the sealing gasket between said ventilation plug and said pore; And be used for said ventilation plug is pressed in the pressing plate in the said pore, said pressing plate has over against the air-vent of said ventilation plug.
8. the waterproof and breathable structure that is used for light fixture according to claim 7 is characterized in that, said ventilation plug is formed by thin shot copper compacting of uniform size, or is processed by ventilative steel.
9. the waterproof and breathable structure that is used for light fixture according to claim 7 is characterized in that, said ventilation plug is processed by ventilative water proof material.
10. the waterproof and breathable structure that is used for light fixture according to claim 7 is characterized in that, said sealing gasket is a rubber blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910189568 CN101718425B (en) | 2009-11-27 | 2009-11-27 | Waterproof and breathable structure for lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910189568 CN101718425B (en) | 2009-11-27 | 2009-11-27 | Waterproof and breathable structure for lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101718425A CN101718425A (en) | 2010-06-02 |
| CN101718425B true CN101718425B (en) | 2012-03-28 |
Family
ID=42433034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910189568 Expired - Fee Related CN101718425B (en) | 2009-11-27 | 2009-11-27 | Waterproof and breathable structure for lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101718425B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016182A (en) * | 2016-07-21 | 2016-10-12 | 张祖宇 | Led lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201059529Y (en) * | 2007-04-10 | 2008-05-14 | 乐雷光电技术（上海）有限公司 | Water proof ventilating screw plug |
| CN201145252Y (en) * | 2007-11-06 | 2008-11-05 | 王有君 | LED numerical code lamp tube block cap |
| CN201273474Y (en) * | 2008-09-19 | 2009-07-15 | 华能光电科技股份有限公司 | LED lamp |
-
2009
- 2009-11-27 CN CN 200910189568 patent/CN101718425B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201059529Y (en) * | 2007-04-10 | 2008-05-14 | 乐雷光电技术（上海）有限公司 | Water proof ventilating screw plug |
| CN201145252Y (en) * | 2007-11-06 | 2008-11-05 | 王有君 | LED numerical code lamp tube block cap |
| CN201273474Y (en) * | 2008-09-19 | 2009-07-15 | 华能光电科技股份有限公司 | LED lamp |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-3617A 2000.01.07 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101718425A (en) | 2010-06-02 |
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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 | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20181127 |