CN101825267A - Lamp respirator and lamp with same - Google Patents
Lamp respirator and lamp with same Download PDFInfo
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- CN101825267A CN101825267A CN200910105838A CN200910105838A CN101825267A CN 101825267 A CN101825267 A CN 101825267A CN 200910105838 A CN200910105838 A CN 200910105838A CN 200910105838 A CN200910105838 A CN 200910105838A CN 101825267 A CN101825267 A CN 101825267A
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- light fixture
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- 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 to make lamp casing air pressure inside and outside to balance each other, 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 airtightness of lamps can be very high, so in the use 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 air pressure height explosion damage.In addition, in the sealed light fixture more than 400 watts of the prior art, because these more powerful light fixtures 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 air pressure height explosion damage.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 promptly charging and Air mixing gas) excessive concentration then can be blasted.Therefore, in use there is very big potential hazard in existing light fixture.
Summary of the invention
The technical problem to be solved in the present invention is that the above-mentioned defective at 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 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, fixedly connected with the outer wall of described ventilation tube in this inner cover lower end, leave first gap between top inner wall in described and the described exhaust end top, leave 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 first steam vent.
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 four first steam vents of alignment in twos.
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 steam vent, and described at least one second steam vent and first steam vent vertically stagger to form the labyrinth type exhaust pathway.
As the optimal technical scheme of light fixture respirator of the present invention, fixedlying connected by screw with the top of inner cover in the top of described outer 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 steam vents 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, arrives at lamp casing inside then.
Implement the present invention and have following beneficial effect: thus because the lamp casing gas 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 promptly charging and Air mixing gas) 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 avoiding light fixture in use to exist effectively, 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 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, fixedly connected with the outer wall of ventilation tube 3 in these inner cover 2 lower ends, leave first gap between the top inner wall of inner cover 2 and the exhaust end 3a, leave 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 steam vents 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 steam vent, and at least one second steam vent and each first steam vent vertically stagger mutually to form the labyrinth type exhaust pathway.
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, arrive at lamp casing 6 inside then, 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.The 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 have 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 the dirty and aging-resistant neoprene elastomeric material of oil resistant for use.In addition, the material of ventilation tube 3 is preferably selected the material with superior antiseptic property, for example stainless steel for use.
Referring again to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, fixedlys connected with the outer wall flange seal of ventilation tube 3 in the lower end of inner cover 2, 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 first gap between the top inner wall of inner cover 2 and the exhaust end 3a, leaves 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 steam vents that align in twos about vertical (being the direction of longitudinal axis X).As shown in Figure 1, be respectively arranged with two first steam vent 2a and two first steam vent 2b on the perisporium of inner cover 2 about the X-axis symmetry.It is emphasized that one first steam vent 2a and one first steam vent 2b (vertically two first steam vents 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 steam vent 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 the second steam vent 1a.Stagger mutually on this second steam vent 1a and the first steam vent 2a and the first steam vent 2b exhaust passage 3b vertical (being X-direction) to form the labyrinth type exhaust pathway.Preferably, first steam vent and second steam vent distribute symmetrically and evenly.And, have on the roof of inner cover 2 and outer cover 1 and be used for the first mutually positioning locating hole, 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 and inner cover 2 and outer cover 1 mount are in the same place at the top of inner cover 2 and outer cover 1.In addition, have on the perisporium of inner cover 2 and outer cover 1 and be used for the second mutually positioning locating hole, thereby can further outer cover 1 be fixed on the inner cover 2 by holding screw 11.In the present embodiment, outer cover 1 and inner cover 2 are made by the stainless steel material with good corrosion prevention performance.In addition, first gap (being the fore-and-aft distance of the roof inwall of inner cover 2 to 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 steam vent is 1.6mm among the present invention, the diameter 2.0mm of second steam vent.But the present invention is not limited only to this, for example the diameter of first steam vent and second steam vent can for 2.5mm or more than.In order to realize the dustproof and waterproof performance of light fixture, first gap is less than the diameter of first steam vent, and first gap is less than the diameter of second steam vent.In addition, the diameter of first steam vent is less than the diameter of second steam vent.Therefore, enter first steam vent that water in second steam vent 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, 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 is provided with on the perisporium of inner covers 2 and outer cover 1 by cross recessed countersunk head sscrew 10.At last, inner cover 2 is screwed on the externally threaded flange 3c of being with of ventilation tube 3, up to 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 is represented with label G; First gap of leaving between top inner wall by inner cover 2 and the exhaust end 3a then, and enter 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 steam vent 2a and two first steam vent 2b by being provided with 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 steam vent 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 the second steam vent 1a or outer cover 1 lower openings, because first gap is less than the diameter of first steam vent, and first gap is less than the diameter of second steam vent, and the diameter of first steam vent is less than the diameter of second steam vent, so current generally can flow out through the route that label W represents and can not enter inner cover or ventilation tube.
More than 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 under the situation that does not break away from spiritual essence of the present invention, can make and revise separately and modification.Therefore claims of the present invention are intended to contain the change that these may be made.
Claims (10)
1. a light fixture respirator is characterized in that, comprises the ventilation tube (3) that communicates with lamp casing (6) inner chamber and is sealed on cover body on this ventilation tube (3), and described cover body is provided with the steam vent that communicates and communicate with the external world with described ventilation tube (3).
2. light fixture respirator according to claim 1, 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), and the installing hole (6a) on this inlet end (3f) and the lamp casing (6) is tightly connected.
3. light fixture respirator according to claim 1, it is characterized in that, described cover body comprises inner cover (2), this inner cover (2) is to the under shed shape, and fixedly connected with the outer wall of described ventilation tube (3) in the lower end, leave first gap between the top inner wall of described inner cover (2) and described exhaust end (3a) top, leave 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 first steam vent.
4. light fixture respirator according to claim 3 is characterized in that, described inner cover (2) lower end inwall is threaded with the outer wall flange (3c) of described ventilation tube (3), and outer wall flange (3d) sealing of the bottom face of inner cover (2) and ventilation tube (3) offsets.
5. light fixture respirator according to claim 3 is characterized in that, the perisporium of described inner cover (2) is provided with four first steam vents of alignment in twos.
6. light fixture respirator according to claim 3, it is characterized in that, 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 steam vent (1a), and described at least one second steam vent and first steam vent vertically stagger to form the labyrinth type exhaust pathway.
7. light fixture respirator according to claim 6 is characterized in that, fixedlying connected by screw (10) with the top of inner cover (2) in the top of described outer cover (1), perhaps is fixed together by the screw double-screw bolt.
8. light fixture respirator according to claim 6 is characterized in that, the perisporium of described outer cover (1) is provided with two second steam vents (1a) about longitudinal axis (X) symmetry.
9. 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 1~8, and this light fixture respirator is arranged on the described lamp casing (6).
10. light fixture according to claim 9, 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, arrives at lamp casing (6) inside then.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009101058386A CN101825267B (en) | 2009-03-05 | 2009-03-05 | Lamp respirator and lamp with same |
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CN2009101058386A CN101825267B (en) | 2009-03-05 | 2009-03-05 | Lamp respirator and lamp with same |
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CN101825267A true CN101825267A (en) | 2010-09-08 |
CN101825267B CN101825267B (en) | 2013-02-27 |
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CN2009101058386A Expired - Fee Related CN101825267B (en) | 2009-03-05 | 2009-03-05 | Lamp respirator and lamp with same |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
CN102563573A (en) * | 2010-12-21 | 2012-07-11 | 海洋王照明科技股份有限公司 | Exhaust device and lamp with same |
CN102661597A (en) * | 2012-04-19 | 2012-09-12 | 深圳市九洲光电科技有限公司 | Lamp breathing apparatus |
CN102889567A (en) * | 2012-09-12 | 2013-01-23 | 广东宏泰照明科技有限公司 | Pressure balancing breather for light-emitting diode (LED) lamp |
CN103363496A (en) * | 2012-03-27 | 2013-10-23 | 海洋王照明科技股份有限公司 | Lamp breathing device and lamp |
CN103423720A (en) * | 2012-05-23 | 2013-12-04 | 海洋王照明科技股份有限公司 | Explosion-proof lamp and pressure regulating device thereof |
CN107893943A (en) * | 2017-12-20 | 2018-04-10 | 众普森科技(株洲)有限公司 | Floodlight |
CN108980710A (en) * | 2018-09-21 | 2018-12-11 | 浙江展豪科技有限公司 | Antiexplosive working lamp with water-proof function |
CN110566798A (en) * | 2019-08-30 | 2019-12-13 | 楚雄滇中有色金属有限责任公司 | Device for preventing oil leakage of motor bearing respirator |
CN111237688A (en) * | 2020-03-25 | 2020-06-05 | 横店集团得邦照明股份有限公司 | Light source driving integrated projection lamp and implementation method thereof |
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2009
- 2009-03-05 CN CN2009101058386A patent/CN101825267B/en not_active Expired - Fee Related
Cited By (15)
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 |
CN102563573A (en) * | 2010-12-21 | 2012-07-11 | 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 |
CN103363496A (en) * | 2012-03-27 | 2013-10-23 | 海洋王照明科技股份有限公司 | Lamp breathing device and lamp |
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 |
CN103423720A (en) * | 2012-05-23 | 2013-12-04 | 海洋王照明科技股份有限公司 | Explosion-proof lamp and pressure regulating device thereof |
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 |
CN102889567A (en) * | 2012-09-12 | 2013-01-23 | 广东宏泰照明科技有限公司 | Pressure balancing breather for light-emitting diode (LED) lamp |
CN107893943A (en) * | 2017-12-20 | 2018-04-10 | 众普森科技(株洲)有限公司 | Floodlight |
CN108980710A (en) * | 2018-09-21 | 2018-12-11 | 浙江展豪科技有限公司 | Antiexplosive working lamp with water-proof function |
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 |
CN110566798A (en) * | 2019-08-30 | 2019-12-13 | 楚雄滇中有色金属有限责任公司 | Device for preventing oil leakage of motor bearing respirator |
CN111237688A (en) * | 2020-03-25 | 2020-06-05 | 横店集团得邦照明股份有限公司 | Light source driving integrated projection lamp and implementation method thereof |
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 |
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