CN101706092A - Light fitting sealing structure with respiratory function - Google Patents
Light fitting sealing structure with respiratory function Download PDFInfo
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- CN101706092A CN101706092A CN 200910110062 CN200910110062A CN101706092A CN 101706092 A CN101706092 A CN 101706092A CN 200910110062 CN200910110062 CN 200910110062 CN 200910110062 A CN200910110062 A CN 200910110062A CN 101706092 A CN101706092 A CN 101706092A
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- light fitting
- sealing structure
- respiratory function
- fitting sealing
- respiratory
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Abstract
The invention is suitable for the field of sealing structures, and discloses a light fitting sealing structure with a respiratory function. The light fitting sealing structure with the respiratory function comprises a respiratory filtering apparatus which is fixedly arranged on a lamp shell and can be communicated with an inner cavity and the outside of the lamp shell, wherein the respiratory filtering apparatus comprises a respiratory cylinder; a plurality of water-absorbable and dustproof filter media are arranged in an inner cavity of the respiratory cylinder; and the respiratory filtering apparatus also comprises a compaction component capable of compacting or releasing the filter media, and the compaction component is connected with the respiratory cylinder in a dismountable mode. The light fitting sealing structure with the respiratory function can conveniently and reliably adjust the compaction tightness of the filter media according to different use environments to improve the reliability of a light fitting, and when changing the filter media, the other parts do not need to be discarded together with the filter media, so the use cost for a user is reduced.
Description
Technical field
The invention belongs to the hermetically-sealed construction field, relate in particular to a kind of light fitting sealing structure with respiratory function.
Background technology
As everyone knows, because self-heating during work, the temperature of light fixture inner chamber rises at the bulb of light fixture inner chamber, air is heated and expands simultaneously, light fixture inner chamber temperature and pressure raises, and will reduce the service life of bulb, even can lamp housing be broken because of temperature and pressure is too high or explode; When bulb quits work, the temperature of light fixture inner chamber descends, and light fixture inner chamber outside relatively is a negative pressure state, and steam, the dust in the environment entered the light fixture inner chamber easily at this moment, thereby influences the operate as normal of light fixture.At present, mainly solve heat dissipation problem and balance light fixture inner chamber and outside air pressure, prevent that simultaneously external dust, steam from entering the light fixture inner chamber, light fixture is worked under rational temperature and humidity by the sealing device that a band respiratory function is set.At present, the sealing device of band respiratory function mainly comprises following three classes: the one, and mechanical labyrinth type band respiratory function sealing device, the 2nd, class cavernous body squash type band respiratory function sealing device, the 3rd, active carbon particle filled type band respiratory function sealing device.Machinery labyrinth type band respiratory function sealing device structure complexity, part processing precision requires high, causes production cost height; Class cavernous body squash type band respiratory function sealing device structure is simple relatively, but parts are easily aging, needs often to change parts, causes working service cost height; Active carbon particle filled type band respiratory function sealing device structure is simple, and subsidiary Assembly part is few, and the sealing strainability is good, uses comparatively extensive.But in the prior art, connector and active carbon particle connect as one by a shell in the active carbon particle filled type band respiratory function sealing device, and can not adjust the elasticity of breathing the active carbon particle compression in the tube, can not be adjusted to different elasticities according to different environments for use, if the elasticity of active carbon particle compression is pine too, outside rainwater, dust enter the light fixture inner chamber easily, are unfavorable for the operate as normal of light fixture; If the elasticity of compression is too tight, cause resistance to increase, the heat of light fixture inner chamber can not in time distribute, and also is unfavorable for the operate as normal of light fixture, causes product reliability not high; And active carbon particle will lose efficacy after using a period of time, need during replacing connector and active carbon particle are scrapped together, cause use cost higher.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of light fitting sealing structure with respiratory function is provided, its reliability height, use cost are low.
Technical scheme of the present invention is: a kind of light fitting sealing structure with respiratory function, comprise that one is fixedly arranged on the lamp housing and can be communicated with the lamp housing inner chamber and outside respiration filtering device, described respiration filtering device comprises that one breathes tube, described breathing tube inner chamber is equiped with some dustproof filter mediums that absorb water, described respiration filtering device comprises that also one can compress or unclamp the pressed component of described filter medium, and described pressed component is removably connected on the described breathing tube.
Particularly, described breathing tube is one-body molded with lamp housing, and described tube one end of breathing offers the first passage that can be communicated with the lamp housing inner chamber and breathe tube inner chamber.
More specifically, described pressed component is located at the described breathing tube other end, offers one in the middle of the described pressed component and can be communicated with described breathing tube inner chamber and outside second channel, is threaded between described pressed component and the described breathing tin.
Further, be provided with two waterproof ventilative pads in the described breathing tube, described two pads are located at described filter medium two ends respectively, and the appearance and size of described pad is complementary with breathing tube inner chamber geomery.
Further, also be provided with a sealing ring between described breathing tube and the pressed component.
Preferably, described filter medium adopts the active carbon material manufacturing.
Preferably, the employing felt materials of described pad is made.
Preferably, described sealing ring adopts the elastomeric material manufacturing.
A kind of light fitting sealing structure provided by the invention with respiratory function, it can regulate the compression elasticity of filter medium easily and reliably according to different environments for use, improved the reliability of light fixture, and only need refill active carbon particle when changing filter medium, help reducing user's use cost.
Description of drawings
Fig. 1 is a kind of generalized section with light fitting sealing structure of respiratory function that the embodiment of the invention provides;
Fig. 2 is the local enlarged diagram at A place among Fig. 1.
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.
As depicted in figs. 1 and 2, a kind of light fitting sealing structure that the embodiment of the invention provides with respiratory function, comprise that one is fixedly arranged on the lamp housing 100 and can be communicated with lamp housing 100 inner chambers and outside respiration filtering device, described respiration filtering device comprises that one breathes tube 101, described breathing tube 101 inner chambers are equiped with some dustproof filter mediums 200 that absorb water, described respiration filtering device comprises that also one can compress or unclamp the pressed component 201 of described filter medium 200, and described pressed component 201 is removably connected on the described breathing tube 101.By such design, the heat that light fixture is produced under the duty that continues can in time be discharged lamp housing 100 inner chambers by described respiration filtering device with air, light fixture can be worked under rational temperature, prevent in the lamp housing 100 that cavity temperatures are too high and the light fixture chamber pressure is raise lamp housing 100 is broken, influence the service life of light fixture; After light fixture quits work, the temperature of lamp housing 100 inner chambers descends, the air of lamp housing 100 inner chambers cooling is simultaneously dwindled volume of air, the pressure of described lamp housing 100 inner chambers is in negative pressure state in the outside relatively, air outside will enter lamp housing 100 inner chambers by described respiration filtering device, under the suction-operated of filter medium 200, can avoid airborne steam, dust enters lamp housing 100 inner chambers, light fixture can reasonably worked under the humidity environment, help improving the service life of light fixture, enter lamp housing 100 inner chambers, can prevent that dust from depositing at the light fixture inner surface by preventing dust, avoid the illumination loss, improve the illuminating effect of light fixture.A kind of light fitting sealing structure provided by the present invention with respiratory function, it is according to different environments for use, can regulate the elasticity of described filter medium 200 compressions easily and reliably by described pressed component 201, under the environment that more clammy or many dirt reach or after described filter medium 200 uses certain time limit, 201 pairs of filter mediums 200 of described pressed component can be compressed relatively, dwindle the gap between the described filter medium 200, make steam, dust be difficult to enter lamp housing 100 inner chambers; Under the environment higher than drying or air purity, 201 pairs of filter mediums 200 of described pressed component can be unclamped relatively, increase the gap between the described filter medium 200, the heat that helps lamp housing 100 inner chambers in time, drain into the outside by the described filter medium of stating in the respiration filtering device 200 apace helps improving reliability of products.Regional climate difference obviously, under the tangible environment of summer in winter climate difference, technical scheme provided by the present invention is strengthened the environmental suitability of product greatly.
Particularly; described breathing tube 101 and lamp housing 100 one die casts; can reduce number of molds and help dwindling small product size; described tube 101 1 ends of breathing offer the first passage 1011 that can be communicated with lamp housing 100 inner chambers and breathe tube 101 inner chambers; described lamp housing 100 inner chambers by first passage 1011 can with external communications. additionally; also can will breathe tins 101 and fixedly connected, the scope that all belongs to the present invention and protected by welding, bonding, screw locking, buckle connection etc. are fixed with lamp housing 100.
More specifically, described pressed component 201 is located at described breathing tube 101 other ends, offer one in the middle of the described pressed component 201 and can be communicated with described tube 101 inner chambers and the outside second channel 2011 breathed, make described lamp housing 100 inner chambers can with external communications, be threaded between described pressed component 201 and the described breathing tube 101, can adjust the elasticity of 201 pairs of filter mediums of described pressed component, 200 compressions easily.
Further, be provided with two waterproof ventilative pads 202 in the described breathing tube 101, described two pads 202 are located at described filter medium 200 two ends respectively, the appearance and size of described pad 202 is complementary with breathing tube 101 cavity shape sizes, can prevent that described filter medium 200 from leaking from described first passage 1011 and second channel 2011.
Further, also be provided with one " O " shape sealing ring 203 between described breathing tube 101 and the pressed component 201, improved described sealing property of breathing between tube 101 and the pressed component 201, prevented that rainwater, dust from entering lamp housing 100 inner chambers from described slit of breathing between tube 101 and the pressed component 201.
Preferably, described filter medium 200 adopts the active carbon material manufacturing, and its suction anti-dust performance is good, and reliability of products is improved, and additionally, described filter medium 200 also can adopt suitable material manufacturings such as quartz sand, all belongs to protection scope of the present invention.
Preferably, the employing felt materials of described pad 202 is made, the good and low price of its water proof and dust proof performance; help reducing the cost of product; additionally, described pad 202 also can adopt material manufacturings such as active carbon particle packing ring, nonwoven, all belongs to protection scope of the present invention.
Preferably, described sealing ring 203 adopts the elastomeric material manufacturing, and the good and low price of its ability of elastic-plastic deformation makes the described cost that can seal and can reduce product between tube 101 and the pressed component 201 reliably of breathing.
A kind of light fitting sealing structure provided by the invention with respiratory function, it is simple in structure, and it is little to take product space, and assembling is easy, and production cost is low.Only need 201 1 of pressed components, 202 two on pad, 203 1 of sealing rings, filter medium 200 some these several simple parts can realize the function of dispelling the heat, sealing.And pressed component 201 can be by the machined moulding, and processing technology is simple and required precision is not high; Cheap and the low cost of manufacture of described pad 202 materials; Described sealing ring 203 can use standard component also can adopt the simple die moulding; During assembling, a pad 202 is put into breathed tube 101 earlier, and then some filter mediums 200 are inserted breathing tube 101 inner chambers, and then put into a pad 202, at last pressed component 201 is connected with described breathing tube 101 near first passage 1,011 one ends.In sum, a kind of its production assembly cost of light fitting sealing structure with respiratory function provided by the present invention is lower.After using certain hour or temperature, humidity change, when needing adjust, can improve reliability of products, and adjustment process be simple and convenient by screwing or unclamping described pressed component 201 and adjust to the elasticity of described filter medium 200.After using certain time limit, filter medium 200 will lose efficacy, when needs are changed filter medium 200, only need pressed component 201 is screwed out and take out a pad 202, again load new filter medium 200 again after removing failed filter medium 200 then, again the pad 202 that takes out is put into and breathed tube 101, at last pressed component 201 is screwed in breathing tube 101 and get final product.Maintenance process is convenient, does not need light fixture is pulled down from lamppost, and does not need to scrap other parts, only need refill active carbon particle, helps reducing user's maintenance, use cost.
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 (8)
1. light fitting sealing structure with respiratory function, it is characterized in that: comprise that one is fixedly arranged on the lamp housing and can be communicated with the lamp housing inner chamber and outside respiration filtering device, described respiration filtering device comprises that one breathes tube, described breathing tube inner chamber is equiped with some dustproof filter mediums that absorb water, described respiration filtering device comprises that also one can compress or unclamp the pressed component of described filter medium, and described pressed component is removably connected on the described breathing tube.
2. a kind of light fitting sealing structure with respiratory function as claimed in claim 1 is characterized in that: described breathing tube is one-body molded with lamp housing, and described tube one end of breathing offers the first passage that can be communicated with the lamp housing inner chamber and breathe tube inner chamber.
3. a kind of light fitting sealing structure as claimed in claim 2 with respiratory function, it is characterized in that: described pressed component is located at the described breathing tube other end, offer one in the middle of the described pressed component and can be communicated with described breathing tube inner chamber and outside second channel, be threaded between described pressed component and the described breathing tin.
4. a kind of light fitting sealing structure as claimed in claim 1 with respiratory function, it is characterized in that: be provided with two waterproof ventilative pads in the described breathing tube, described two pads are located at described filter medium two ends respectively, and the appearance and size of described pad is complementary with breathing tube inner chamber geomery.
5. a kind of light fitting sealing structure with respiratory function as claimed in claim 1 is characterized in that: also be provided with a sealing ring between described breathing tube and the pressed component.
6. a kind of light fitting sealing structure with respiratory function as claimed in claim 1 is characterized in that: described filter medium adopts the active carbon material manufacturing.
7. a kind of light fitting sealing structure with respiratory function as claimed in claim 4 is characterized in that: the employing felt materials of described pad is made.
8. a kind of light fitting sealing structure with respiratory function as claimed in claim 5 is characterized in that: described sealing ring adopts the elastomeric material manufacturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910110062 CN101706092A (en) | 2009-11-10 | 2009-11-10 | Light fitting sealing structure with respiratory function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910110062 CN101706092A (en) | 2009-11-10 | 2009-11-10 | Light fitting sealing structure with respiratory function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101706092A true CN101706092A (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910110062 Pending CN101706092A (en) | 2009-11-10 | 2009-11-10 | Light fitting sealing structure with respiratory function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852420A (en) * | 2010-06-29 | 2010-10-06 | 海洋王照明科技股份有限公司 | Structure of breathing hole |
| CN102691992A (en) * | 2011-03-22 | 2012-09-26 | 海洋王照明科技股份有限公司 | Light fixture |
| CN103453346A (en) * | 2012-06-04 | 2013-12-18 | 海洋王（东莞）照明科技有限公司 | Explosion-proof lamp |
| CN104214636A (en) * | 2013-05-31 | 2014-12-17 | 深圳市海洋王照明工程有限公司 | Airport parking apron lamp |
| CN109519879A (en) * | 2018-11-26 | 2019-03-26 | 盛舒婷 | The outdoor LED lampshade of portable waterproof vapour |
-
2009
- 2009-11-10 CN CN 200910110062 patent/CN101706092A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852420A (en) * | 2010-06-29 | 2010-10-06 | 海洋王照明科技股份有限公司 | Structure of breathing hole |
| CN101852420B (en) * | 2010-06-29 | 2013-02-13 | 海洋王照明科技股份有限公司 | Structure of breathing hole |
| CN102691992A (en) * | 2011-03-22 | 2012-09-26 | 海洋王照明科技股份有限公司 | Light fixture |
| CN102691992B (en) * | 2011-03-22 | 2013-10-02 | 海洋王照明科技股份有限公司 | Light fixture |
| CN103453346A (en) * | 2012-06-04 | 2013-12-18 | 海洋王（东莞）照明科技有限公司 | Explosion-proof lamp |
| CN103453346B (en) * | 2012-06-04 | 2017-04-19 | 海洋王（东莞）照明科技有限公司 | Explosion-proof lamp |
| CN104214636A (en) * | 2013-05-31 | 2014-12-17 | 深圳市海洋王照明工程有限公司 | Airport parking apron lamp |
| CN109519879A (en) * | 2018-11-26 | 2019-03-26 | 盛舒婷 | The outdoor LED lampshade of portable waterproof vapour |
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Application publication date: 20100512 |