CN101825267B - Lamp respirator and lamp with same - Google Patents
Lamp respirator and lamp with same Download PDFInfo
- Publication number
- CN101825267B CN101825267B CN2009101058386A CN200910105838A CN101825267B CN 101825267 B CN101825267 B CN 101825267B CN 2009101058386 A CN2009101058386 A CN 2009101058386A CN 200910105838 A CN200910105838 A CN 200910105838A CN 101825267 B CN101825267 B CN 101825267B
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- light fixture
- cover
- lamp
- inner cover
- ventilation tube
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Abstract
The invention relates to a lamp respirator and a lamp with the same. The lamp respirator comprises a permeable cylinder (3) communicated with an inner cavity of a lamp casing (6) and a hood body sealed and covered on the permeable cylinder (3); and the hood body is provided with an exhaust hole communicated with the permeable cylinder (3) and the outside. The permeable cylinder (3) is provided with an exhaust channel (3b) communicated with inside gas; the exhaust channel (3b) is provided with an air inlet end (3f) and an exhaust end (3a); and the air inlet end (3f) is connected with the lamp in a sealing way. The hood body comprises an inner hood (2); clearances are respectively reserved between the inner wall at the top of the inner hood (2) and the exhaust end (3a) and between the inner circumferential surface of the inner hood (2) and the outer circumferential surface of the permeable cylinder (3); and the circumferential wall of the inner hood (2) is provided with at least two first exhaust holes. With the lamp respirator, the lamp can exhaust harmful gases inside a lamp cavity in time, balance the air pressure inside the lamp, and is safer and more reliable during use.
Description
Technical field
The present invention relates to a kind of respirator of the light fixture that uses in non-explosion-proof industry, this respirator is used for being balanced each other in lamp casing air pressure inside and outside, and the present invention relates to a kind of light fixture that this light fixture respirator is installed simultaneously.
Background technology
In some non-explosion-proof industry, because the sealing property of light fixture is very high, so in the use procedure of lighting, the gas temperature in the lamp chamber is usually too high, thereby have influence on other parts of lamp interior, even cause light fixture because of high temperature failure or because of the high explosion damage of air pressure.In addition, in the sealed lamp more than 400 watts of the prior art, because the light fixture of these relatively high powers can produce more heat when work.Because its sealing, air pressure inside can increase owing to temperature raises, and can have influence on the lamp interior parts because of high temperature failure or the high explosion damage of air pressure.Therefore its air pressure inside can increase too highly, produces the air pressure balance problem of lamp casing inside and outside.Especially, the mist in the lead-acid battery chamber of light fixture (hydrogen of separating out when namely charging and the mist of air) excessive concentration then can be blasted.Therefore, in use there is very large potential hazard in existing light fixture.
Summary of the invention
The technical problem to be solved in the present invention is, for the defects of prior art, provides a kind of light fixture, it can in time discharge the gas in the light fixture, reduce lamp chamber internal temperature or suppress mixed gas concentration in the battery cavities, and can reach the IP55 hermetically-sealed construction, can realize water proof and dust proof.
On the one hand, the invention provides a kind of light fixture respirator, it comprises the ventilation tube that communicates with the lamp casing inner chamber and the cover body that is sealed on this ventilation tube, and described cover body is provided with the steam vent that communicates and communicate with the external world with described ventilation tube.
As the optimal technical scheme of light fixture respirator of the present invention, described ventilation tube has the exhaust passage that is communicated with lamp interior gas, and this exhaust passage has inlet end and exhaust end, and the installing hole on this inlet end and the lamp casing is tightly connected.
Optimal technical scheme as light fixture respirator of the present invention, described cover body comprises inner cover, be to the under shed shape, this inner cover lower end is fixedly connected with the outer wall of described ventilation tube, leave the first gap between top inner wall in described and the described exhaust end top, leave the second gap between the inner peripheral surface of described inner cover and the outer peripheral face of described ventilation tube, and this inner cover perisporium is provided with the first row pore.
As the optimal technical scheme of light fixture respirator of the present invention, described inner cover lower end inwall is threaded with the outer wall flange of described ventilation tube, and the outer wall flange seal of the bottom face of inner cover and ventilation tube offsets.
As the optimal technical scheme of light fixture respirator of the present invention, the perisporium of described inner cover is provided with in twos four first row pores of alignment.
Optimal technical scheme as light fixture respirator of the present invention, described cover body also comprises outer cover, be to the under shed shape, it is sealed on the described inner cover, leave third space between the inner peripheral surface of described outer cover and the outer peripheral face of described inner cover, the perisporium of described outer cover is provided with at least one second row pore, and described at least one second row pore and first row pore vertically stagger to form the labyrinth type exhaust pathway.
As the optimal technical scheme of light fixture respirator of the present invention, the top of described outer cover is fixedly connected with by screw with the top of inner cover, perhaps is fixed together by the screw double-screw bolt.
As the optimal technical scheme of light fixture respirator of the present invention, the perisporium of described outer cover is provided with two second row pores about the longitudinal axis symmetry.
On the other hand, the invention provides a kind of light fixture, it comprises lamp casing, and described light fixture also comprises above-mentioned light fixture respirator, and this light fixture respirator is arranged on the described lamp casing.
Optimal technical scheme as light fixture of the present invention, the inlet end of the ventilation tube of described light fixture respirator has external screw thread, have installing hole on the described lamp casing, this inlet end passes seal washer and this installing hole that is arranged on the described installing hole outside successively, then arrives at lamp casing inside.
Implement the present invention and have following beneficial effect: thus because the gas of lamp casing inside can arrive at the external world discharges smoothly by the labyrinth type exhaust pathway that ventilation tube, inner cover and outer cover form, so the gas of light fixture especially the mist (hydrogen of separating out when namely charging and the mist of air) in the lead-acid battery chamber can not produce blast because of excessive concentration.Therefore, the air pressure that the present invention can the balance lamp interior prevents parts high temperature failure in the light fixture and the potential hazard of effectively avoiding light fixture in use to exist, thereby makes light fixture safer, and is more reliable.In addition, light fixture of the present invention can reach the IP55 hermetically-sealed construction, thereby can prevent that sealing and dust enter lamp interior by exhaust pathway.
Description of drawings
The invention will be further described below in conjunction with the accompanying drawings and the specific embodiments, in the accompanying drawing:
Fig. 1 is the profile as the light fixture respirator of the preferred embodiments of the present invention;
Fig. 2 is the profile as the ventilation tube of the light fixture respirator of the preferred embodiments of the present invention;
Fig. 3 is the profile as the outer cover of the light fixture respirator of the preferred embodiments of the present invention;
Fig. 4 is the profile as the inner cover of the light fixture respirator of the preferred embodiments of the present invention;
Fig. 5 is the fundamental diagram as the light fixture respirator of the preferred embodiments of the present invention.
The specific embodiment
As shown in Figure 1 and Figure 2, the light fixture respirator comprises the ventilation tube 3 that communicates with lamp casing 6 inner chambers and the cover body that is sealed on this ventilation tube 3, and cover body is provided with the steam vent that communicates and communicate with the external world with ventilation tube 3.Ventilation tube 3 has the exhaust passage 3b that is communicated with lamp interior gas, and this exhaust passage 3b has inlet end 3f and exhaust end 3a, and the installing hole on this inlet end 3f and the light fixture is tightly connected.Cover body comprises inner cover 2, these inner cover 2 lower ends are fixedly connected with the outer wall of ventilation tube 3, leave the first gap between the top inner wall of inner cover 2 and the exhaust end 3a, leave the second gap between the outer peripheral face of the inner peripheral surface of inner cover 2 and ventilation tube 3, and these inner cover 2 perisporiums are provided with at least two vertically first row pores of alignment.Cover body also comprises outer cover 1, it is fixed on the inner cover 2, and be to the under shed shape, leave third space between the outer peripheral face of the inner peripheral surface of outer cover 1 and inner cover 2, the perisporium of outer cover 1 is provided with at least one second row pore, and at least one second row pore and each first row pore vertically stagger to form the labyrinth type exhaust pathway mutually.
On the other hand, the present invention also provides a kind of light fixture that above-mentioned light fixture respirator has been installed.In the present embodiment, the inlet end 3f of the ventilation tube 3 of light fixture respirator has external screw thread 3e, have installing hole 6a on the lamp casing 6, this inlet end 3f passes seal washer 4 and this installing hole 6a that is arranged on the described installing hole 6a outside successively, then arrive at lamp casing 6 inside, be inserted in external screw thread 3e with nut 5 ventilation tube 3 is fixed on the lamp casing 6.Light fixture shown in Fig. 1 and existing light fixture equally also comprise housing 6.Fig. 2 has provided the profile as the ventilation tube 3 of the light fixture respirator of the preferred embodiments of the present invention.Inlet end 3f and the housing 6 of ventilation tube 3 are tightly connected, and have the exhaust passage 3b that is communicated with housing 6 internal gas.Ventilation tube 3 shown in the figure is the axial workpiece of hollow, and have be convenient to install and locate with external screw thread flange 3c and not threaded flange 3d.Exhaust passage 3b is but is not limited to cylindrical hole, for example can be the hole that part has tapering.On inlet end 3f, also be provided with external screw thread 3e.Have installing hole 6a on the housing 6, this inlet end 3f arrives at housing 6 inside after passing the seal washer 4 that is arranged on the installing hole 6a outside and this installing hole 6a.Yet, the invention is not restricted to this, for example seal washer 4 can be arranged on the inboard of installing hole 6a.Seal washer 4 plays the water-tight effect.Preferably, seal washer 4 is selected oil resistant dirt and aging-resistant neoprene elastomeric material.In addition, the material of ventilation tube 3 is preferably selected the material with superior antiseptic property, for example stainless steel.
Refer again to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the lower end of inner cover 2 is fixedly connected with the outer wall flange seal of ventilation tube 3, and wherein inner cover 2 lower end inwalls are threaded with the outer wall flange 3c of ventilation tube 3, and the outer wall flange 3d sealing of the bottom face of inner cover 2 and ventilation tube 3 offsets.Inner cover 2 is to the under shed shape, leaves the first gap between the top inner wall of inner cover 2 and the exhaust end 3a, leaves the second gap between the outer peripheral face of the inner peripheral surface of inner cover 2 and ventilation tube 3.These inner cover 2 perisporiums are provided with four first row pores that align in twos about vertical (being the direction of longitudinal axis X).As shown in Figure 1, be respectively arranged with two first row pore 2a and two first row pore 2b about the X-axis symmetry on the perisporium of inner cover 2.It is emphasized that a first row pore 2a and a first row pore 2b (vertically two first row pores of alignment) also can only be set.The outlet of steam vent 2b and exhaust passage 3b is vertically being staggered on (being X-direction) mutually.Preferably, each first row pore distributes symmetrically and evenly.Outer cover 1 capping is fixed on the inner cover 2, also and be to the under shed shape.Leave third space between the outer peripheral face of the inner peripheral surface of outer cover 1 and inner cover 2.The perisporium of outer cover 1 is provided with second row pore 1a.Mutually stagger to form the labyrinth type exhaust pathway on this second row pore 1a and first row pore 2a and first row pore 2b exhaust passage 3b vertical (being X-direction).Preferably, first row pore and second row pore distribute symmetrically and evenly.And, have for the first mutually positioning locating hole on the roof of inner cover 2 and outer cover 1, thereby can outer cover 1 be fixed on the inner cover 2 by cross recessed countersunk head sscrew 10.Perhaps can the screw double-screw bolt be set respectively at the top of inner cover 2 and outer cover 1 and inner cover 2 is mounted with outer cover 1 and be in the same place.In addition, have for the second mutually positioning locating hole on the perisporium of inner cover 2 and outer cover 1, thereby can further by holding screw 11 outer cover 1 be fixed on the inner cover 2.In the present embodiment, outer cover 1 and inner cover 2 are made by the stainless steel material with good antiseptic property.In addition, the first gap (being that the roof inwall of inner cover 2 is to the fore-and-aft distance of exhaust end 3a) is 0.8mm.But the invention is not restricted to this, for example can be 0.5～2.0mm.In addition, the diameter of first row pore is 1.6mm among the present invention, the diameter 2.0mm of second row pore.But the present invention is not limited only to this, for example the diameter of first row pore and second row pore can for 2.5mm or more than.In order to realize the dustproof and waterproof performance of light fixture, the first gap is less than the diameter of first row pore, and the first gap is less than the diameter of second row pore.In addition, the diameter of first row pore is less than the diameter of second row pore.Therefore, enter the first row pore that water in the second row pore of outer cover 1 can not flow into inner cover 2, but directly flow out to the external world along the periphery wall face of inner cover 2.Light fixture of the present invention can reach the IP55 hermetically-sealed construction.
In the assembling process of light fixture, at first seal washer 4 covers are received the inlet end 3f of ventilation tube 3, insert in the installing hole 6a of lamp casing 6, and nut 5 is tightened onto on the external screw thread 3e at inlet end 3f place of ventilation tube 3, thereby ventilation tube 3 is fixed on the lamp casing 6; Then, by cross recessed countersunk head sscrew 10 outer cover 1 is fixed on the inner cover 2, and holding screw 11 is screwed in the second mutually positioning locating hole that is used for that arranges on the perisporium of inner covers 2 and outer cover 1.At last, inner cover 2 is screwed on the externally threaded flange 3c of being with of ventilation tube 3, until the flange 3d of its tight butt ventilation tube 3 in bottom.
Fig. 5 has provided the fundamental diagram as the light fixture respirator of the preferred embodiments of the present invention.Below with reference to Fig. 5 the operation principle that lamp interior gas is discharged is described, and the dustproof and waterproof principle of light fixture respirator of the present invention.The gas of lamp interior can enter the gas-permeable channels 3b of ventilation tube 3, and this route represents with label G; Then the first gap of leaving between the top inner wall by inner cover 2 and the exhaust end 3a, and enter the second gap of leaving between the outer peripheral face of the inner peripheral surface of inner cover 2 and ventilation tube 3; Then two first row pore 2a and two first row pore 2b by arranging respectively on the perisporium of inner cover 2, and enter the third space that leaves between the outer peripheral face of the inner peripheral surface of outer cover 1 and inner cover 2; The second row pore 1a that is provided with of perisporium by outer cover 1 arrives at the external world and discharges at last.When water enters the light fixture respirator by second row pore 1a or outer cover 1 lower openings, because the first gap is less than the diameter of first row pore, and the first gap is less than the diameter of second row pore, and the diameter of first row pore is less than the diameter of second row pore, so current generally can flow out through the route that label W represents and can not enter inner cover or ventilation tube.
Abovely by specific embodiment light fixture respirator of the present invention and light fixture that this light fixture respirator is installed are described in detail.But it is emphasized that in the situation that do not break away from Spirit Essence of the present invention and can make separately modification and modification.Therefore claims of the present invention are intended to contain the change that these may be made.
Claims (7)
1. light fixture respirator, comprise the ventilation tube (3) that communicates with lamp casing (6) inner chamber and be sealed on cover body on this ventilation tube (3), described cover body is provided with the steam vent that communicates and communicate with the external world with described ventilation tube (3), it is characterized in that
Described ventilation tube (3) has the exhaust passage (3b) that is communicated with lamp interior gas, this exhaust passage (3b) has inlet end (3f) and exhaust end (3a), installing hole (6a) on this inlet end (3f) and the lamp casing (6) is tightly connected
Described cover body comprises inner cover (2), this inner cover (2) is to the under shed shape, and the lower end is fixedly connected with the outer wall of described ventilation tube (3), leave the first gap between the top inner wall of described inner cover (2) and described exhaust end (3a) top, leave the second gap between the outer peripheral face of the inner peripheral surface of described inner cover (2) and described ventilation tube (3), and this inner cover (2) perisporium is provided with the first row pore
Described cover body also comprises outer cover (1), this outer cover (1) is to the under shed shape, and be sealed on the described inner cover (2), leave third space between the outer peripheral face of the inner peripheral surface of described outer cover (1) and described inner cover (2), the perisporium of described outer cover (1) is provided with at least one second row pore (1a), described at least one second row pore and first row pore vertically stagger to form the labyrinth type exhaust pathway
The first gap is less than the diameter of first row pore, and the first gap is less than the diameter of second row pore, and the diameter of first row pore is less than the diameter of second row pore.
2. light fixture respirator according to claim 1, it is characterized in that, described inner cover (2) lower end inwall is threaded with externally threaded outer wall flange (3c) with described ventilation tube (3), and not threaded outer wall flange (3d) sealing of the bottom face of inner cover (2) and ventilation tube (3) offsets.
3. light fixture respirator according to claim 1 is characterized in that, the perisporium of described inner cover (2) is provided with in twos four first row pores of alignment.
4. light fixture respirator according to claim 1 is characterized in that, the top of described outer cover (1) is fixedly connected with by screw (10) with the top of inner cover (2), perhaps is fixed together by the screw double-screw bolt.
5. light fixture respirator according to claim 1 is characterized in that, the perisporium of described outer cover (1) is provided with about symmetrical two the second row pores (1a) of longitudinal axis (X).
6. a light fixture comprises lamp casing (6), it is characterized in that, described light fixture also comprises each described light fixture respirator in the claim 1～5, and this light fixture respirator is arranged on the described lamp casing (6).
7. light fixture according to claim 6, it is characterized in that, the inlet end (3f) of the ventilation tube of described light fixture respirator (3) has external screw thread (3e), have installing hole (6a) on the described lamp casing (6), this inlet end (3f) passes seal washer (4) and this installing hole (6a) that is arranged on described installing hole (6a) outside successively, then arrives at lamp casing (6) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101058386A CN101825267B (en) | 2009-03-05 | 2009-03-05 | Lamp respirator and lamp with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101058386A CN101825267B (en) | 2009-03-05 | 2009-03-05 | Lamp respirator and lamp with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101825267A CN101825267A (en) | 2010-09-08 |
| CN101825267B true CN101825267B (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101058386A Expired - Fee Related CN101825267B (en) | 2009-03-05 | 2009-03-05 | Lamp respirator and lamp with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101825267B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454974A (en) * | 2010-10-28 | 2012-05-16 | 品能光电(苏州)有限公司 | Breathing device for LED (light-emitting diode) lamp |
| CN102563573B (en) * | 2010-12-21 | 2013-10-23 | 海洋王照明科技股份有限公司 | Exhaust device and lamp with same |
| CN103363496B (en) * | 2012-03-27 | 2016-06-01 | 海洋王照明科技股份有限公司 | Light fixture breathing equipment and light fixture |
| CN102661597A (en) * | 2012-04-19 | 2012-09-12 | 深圳市九洲光电科技有限公司 | Lamp breathing apparatus |
| CN103423720B (en) * | 2012-05-23 | 2017-10-13 | 海洋王照明科技股份有限公司 | Explosion-proof lamp pressure-regulating device and explosion-proof lamp |
| CN102889567B (en) * | 2012-09-12 | 2015-07-15 | 广东宏泰照明科技有限公司 | Pressure balancing breather for light-emitting diode (LED) lamp |
| CN108980710B (en) * | 2018-09-21 | 2024-03-22 | 浙江展豪科技有限公司 | Explosion-proof working lamp with waterproof function |
| CN110566798B (en) * | 2019-08-30 | 2021-04-13 | 楚雄滇中有色金属有限责任公司 | Device for preventing oil leakage of motor bearing respirator |
| CN111237688B (en) * | 2020-03-25 | 2023-11-28 | 横店集团得邦照明股份有限公司 | Light source driving integrated projection lamp and implementation method thereof |
-
2009
- 2009-03-05 CN CN2009101058386A patent/CN101825267B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101825267A (en) | 2010-09-08 |
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Granted publication date: 20130227 Termination date: 20190305 |