CN100594570C - Circular fluorescent lamp and lighting apparatus - Google Patents
Circular fluorescent lamp and lighting apparatus Download PDFInfo
- Publication number
- CN100594570C CN100594570C CN200580032516A CN200580032516A CN100594570C CN 100594570 C CN100594570 C CN 100594570C CN 200580032516 A CN200580032516 A CN 200580032516A CN 200580032516 A CN200580032516 A CN 200580032516A CN 100594570 C CN100594570 C CN 100594570C
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- China
- Prior art keywords
- cap body
- lead
- limiting part
- circline
- fluorescent tube
- Prior art date
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Links
- 239000004020 conductor Substances 0.000 claims description 38
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 4
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000011859 microparticle Substances 0.000 description 2
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- JOPDZQBPOWAEHC-UHFFFAOYSA-H tristrontium;diphosphate Chemical compound [Sr+2].[Sr+2].[Sr+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JOPDZQBPOWAEHC-UHFFFAOYSA-H 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
- H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
- H01J5/56—Shape of the separate part
- H01J5/565—Bases for circular lamps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/32—Special longitudinal shape, e.g. for advertising purposes
- H01J61/322—Circular lamps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0002—Construction arrangements of electrode systems
Landscapes
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A circular fluorescent lamp comprising: a circular bulb (2) that includes a pair of filament electrodes (9,10) respectively sealed at the opposite ends (2a,2b), a fluorescent substance layer formed onthe inner surface, and a discharge medium sealed inside, and is formed to be circular so that the opposite ends face each other; and a base that includes outer leads (7a,7b,8a,8b) respectively extending to the outside from the opposite ends of the bulb, a hollow, cylindrical base body (5) rotatably provided along the outer surface of the bulb to extend between the opposite ends of the bulb, basepins (5c,5c,---) disposed on the outer surface of the bulb body and connected with the outer leads, and lead wire regulating units (14a,14b,15a,15b) provided in the base body so as to route the outerleads to be mutually separated in a base-diameter direction and regulating the rotation angle of the base body. According to the above arrangement, a circular fluorescent lamp and a lighting apparatusare provided that can regulate the rotation angle of the base to within specified range without forming, as a base rotation angle regulating means, a regulating member such as a protrusion on the bulb side.
Description
Technical field
The present invention relates to have with respect to the circline of the lamp holder of the rotatable set angle of annular lamp tube and ligthing paraphernalia with this circline.
Background technology
In the past,, there is the patent documentation spy to open the fluorescent lamp that flat 11-162329 communique is put down in writing as an example of this circline.Ji Zai circline wherein, outside on one of both ends of the annular glass lamp of Recessed light head, be formed with annular recess (reducing diameter part), in this annular recess, be fixed with a plurality of limiting parts along the required compartment of terrain of circumferentially spaced, on the inner surface of lamp holder, be provided with the jut that is projected between these limiting parts.
Therefore, can make lamp holder rotate following angle with respect to fluorescent tube, this angle is the angle that the lamp holder jut can move between the limiting part of its both sides, but then can be limited this rotation more than angle.
But, this existing circline exists such problem, that is, limiting part must be fixed in the annular recess of at least one side among two ends of described annular lamp tube, and projection outstanding in the gap between these limiting parts is being set on the lamp holder, its structure is remarkable, and, also have following problems, promptly, because the positioning accuracy of these limiting parts and projection is different, causes the limit rotation angle straggling of lamp holder easily.
In addition, in general, when annular lamp tube be shaped as annular the time, lamp holder also will be with the curvature bending same with annular lamp tube.Therefore, when only making lamp holder center on the axial line rotation, the bending direction of lamp holder and annular lamp tube will stagger each other, when reaching set rotational angle, the inner surface of lamp holder will engage with the end outer surface of annular lamp tube and stop rotation, thereby can be relatively easily the angle of rotation of lamp holder be limited.
But, when annular lamp tube ringwise but outside the lamp tube ends portion of Recessed light head roughly during linearly arranged opposite, be crossed on the also roughly linearly formation of lamp holder between these both ends of fluorescent tube.Therefore, when lamp holder did not link to each other with fluorescent tube by lead as yet, the rotation of lamp holder from a structural point was unrestricted basically, thereby the mechanism that reliably limits its angle of rotation must be arranged.
Summary of the invention
The present invention In view of the foregoing creates, its objective is, provide a kind of limiting parts such as projection that need on fluorescent tube, not form as the angle of rotation limiting mechanism, just the angle of rotation of lamp holder can be limited in circline and ligthing paraphernalia in the set scope.
The circline feature of the present invention that provides for achieving the above object is to comprise:
The fluorescent tube of annular has a pair of filament electrode that is encapsulated in respectively in two ends, is formed at the luminescent coating on the inner surface and is enclosed in inner discharge medium, forms annular in described two end modes opposite each other;
Couple of conductor is connected on each end of described a pair of filament electrode, and extends to the outside from two ends of described fluorescent tube respectively;
And lamp holder, have cap body, socket pin and lead limiting part, described cap body is striden between two ends of described fluorescent tube and is provided with, rotate freely along the fluorescent tube outer surface, be hollow cylindrical, described socket pin is arranged on the outer surface side of this cap body, and be connected with described lead, described lead limiting part is arranged in described cap body, make described lead in the footpath of described cap body cabling away from each other upwards, the angle of rotation of cap body is limited in the set scope.
Described lead is connected on each end of filament electrode, connects up in length mode more than needed a little in lamp holder.
In addition, according to a preferred embodiment of the invention, also described lead limiting part can be designed to be able to the angle of rotation of described cap body is limited in 90 °~270 °, be more preferably in 90 °~120 ° the scope.
In addition, preferably, described lead limiting part is the column rib that is provided with from the inwardly outstanding mode of the inner surface of described cap body.In this case, also can be designed to, described cap body comprises the 1st cap body of the semicircle tubular that is provided with described socket pin and column rib and the 2nd cap body of the semicircle tubular that combines with the 1st cap body, on the inner surface of the 2nd cap body, be provided with and connect with described column rib and limit the displacement limiting part of lead to the displacement of the 2nd cap body side.
In addition, preferably, the lead limiting part makes from more than the interval of couple of conductor distance away from each other for a pair of socket pin of connection couple of conductor that each filament extends out.
In addition, aforementioned purpose realizes that by a kind of like this ligthing paraphernalia is provided promptly, this ligthing paraphernalia comprises: have above-mentioned structure circline, the ligthing paraphernalia main body of this circline is installed and to the lamp circuit of this circline power supply.
According to circline of the present invention and have this circline ligthing paraphernalia with above-mentioned feature, when lamp holder rotates, rotate correspondingly with this, lead is subjected to towing in the axial direction, and the limit of its stretching is limited by the lead limiting part, therefore, the further rotation of lamp holder is restricted.That is to say that the angle of rotation of lamp holder is subjected to the restriction of the stretching limit of lead.
In addition, the lead limiting part makes conductor arrangement become, and the outside of the socket pin that closely is provided with is circuitous towards each other, therefore, can prevent adjacent lead to contact with each other and the problem that is short-circuited.
In addition, according to above preferred embodiment, lamp holder integral body is preferably rotated in 90 °~120 ° scope in 90 °~270 ° scope, therefore, can improve the easy degree of carrying out dismounting with respect to the lamp socket of ligthing paraphernalia main body.In addition, because the lead limiting part is the column rib of lamp holder, therefore, the structure of this lead limiting part is very simple, and the mould of utilization manufacturing lamp holder integral body etc. just can be easily integrally formed with lamp holder integral body.
In addition, even if couple of conductor comes off from the lead limiting part, also can prevent couple of conductor to the 2nd cap body side displacement and mutually near so that the situation of contact.Therefore, can be reliably the rotation of lamp holder be limited and prevents that couple of conductor is short-circuited each other.
Description of drawings
Fig. 1 is the vertical view of major part of the circline of an embodiment of the present invention.
Fig. 2 is the vertical view of the major part that describes of its angle of rotation is restricted when the lamp holder of circline shown in Figure 1 is rotated principle.
Fig. 3 makes the 1st cap body shown in Figure 1 combine with the 2nd cap body and the III-III line cutaway view of Fig. 1 after being assembled into lamp holder.
Fig. 4 is the broken section vertical view that the general structure of the circline with the lamp holder that comprises the 1st cap body shown in Figure 1 is showed.
Fig. 5 is the vertical view of the inner surface side of the 1st cap body shown in Figure 1.
Fig. 6 is the vertical view of the outer surface side of the 1st cap body shown in Figure 5.
Fig. 7 is the front view of the 1st cap body shown in Figure 5.
Fig. 8 is the right side view of Fig. 5.
Fig. 9 is the vertical view of inner surface side of the 2nd cap body of an embodiment of the present invention.
Figure 10 is the right side view of the 2nd cap body.
Figure 11 is the vertical view of the ligthing paraphernalia of the present invention's the 2nd execution mode.
Embodiment
Below, to embodiments of the present invention in conjunction with the accompanying drawings.In these accompanying drawings, all mutually the same or suitable parts have identical Reference numeral.
Fig. 1 is the amplification view of cap part of the circline of expression an embodiment of the present invention, and the state of lamp holder before rotating is shown, and Fig. 2 illustrates the state that rotates when being restricted.Fig. 3 to Figure 10 is the accompanying drawing that the structure of the general structure of this circline and cap body is showed.
Fig. 4 illustrates the circline that is square at grade and forms, in this circline 1, two end 2a, 2b of the fluorescent tube 2 of glass manufacturing separate required interval arranged opposite, on the outer surface of these two end 2a, 2b, the lamp holder 3 of the hollow cylindrical of striding these two end 2a, 2b installations is installed.In addition, lamp holder 3 is outer to be embedded on the outer surface of fluorescent tube 2, and to be center of rotation rotate freely along the outer surface of fluorescent tube 2 the fluorescent tube axis of showing two end 2a, 2b of fluorescent tube greatly.
The external diameter of pipe of each straight sections 2c is for example in the scope of 12~20mm, if consider the characteristic of lamp such as luminous efficiency and create conditions, then the optimum range of external diameter of pipe is 14~18mm.Though near the straight sections 2c external diameter of pipe when carrying out the bending machining of bend 2d the bend 2d can change and the above-mentioned scope of local disengaging a little, for the present invention, as long as the major part of straight sections 2c is in above-mentioned scope.The wall thickness of straight sections 2c is advisable with about 0.8~1.2mm.
Coated luminescent coating (film) 4 on the inner surface of fluorescent tube 2 formed on whole straight tube-like glass lamp 2 before forming bend 2d.
Constitute the fluorophor of luminescent coating 4, can constitute, but, be advisable to use three-wavelength light emitting-type fluorophor from the viewpoint of luminous efficiency by well-known fluorophor such as three-wavelength light emitting-type fluorophor, halogen-phosphate fluorophor.
As three-wavelength light emitting-type fluorophor, be fluorophor as near the indigo plant that 450nm, has peak luminous wavelength, can adopt BaMg
2Al
16O
27: Eu
2+, be fluorophor as near 540nm, having the green of peak luminous wavelength, can adopt (La, Ce, Tb) PO
4, be fluorophor as near 610nm, having the red of peak luminous wavelength, can adopt Y
2O
3: Eu
3+Deng, but be not limited to this.
Between fluorescent tube 2 inner surfaces and luminescent coating 4, also can add not shown diaphragm.As diaphragm, suitable to constitute by metal oxide microparticle, as metal oxide microparticle, can use aluminium oxide (Al
2O
3) or strontium phosphate (Sr
2P
2O
7) wait particulate.
As Fig. 6, shown in Figure 7, the 1st cap body 5 is formed with square recess 5a at about central part of its outer surface, on the bottom 5b of this recess 5a, is provided with roughly socket pin 5c, the 5c... of four hollow cylindricals of quadrate arrangement with standing vertically.Each socket pin 5c is at inside and outside both ends open.
As shown in Figure 5, the central part in the square arrangement of these socket pins 5c, 5c... is provided with outstanding cylindric rib 5d, offers the through hole 5e that inserts for not shown installation screw element on this rib 5d.
Fig. 5 shows the inner surface of the 1st cap body 5, offers lead patchhole 5ca on the bottom surface of each socket pin 5c respectively.The outer conductor 7,8 of one group couple of conductor is inserted into respectively in these lead patchholes 5ca about shown in Figure 1, and riveted joint by each socket pin 5c, 5c... and welding etc., is connected on socket pin 5c, the 5c... with machinery and electric means.
As shown in Figure 1, a pair of outer conductor 7,8 of each group has a pair of 7a, 7b, 8a, 8b up and down in the drawings.As lead, except outer conductor 7,8, also comprise a pair of inside conductor 9a, 9b, 10a, the 10b that the axial two ends that are encapsulated in the pair of electrodes 9,10 in fluorescent tube two end 2a, 2b are respectively supported and be encapsulated in packaging line 9c, 9d, 10c, 10d in the glass stem 11,12, connect fluorescent tube two end 2a, 2b as a whole airtightly and extend to the outside.In Fig. 1, at least one side of the stem stem 11,12 of pair of right and left is provided with the blast pipe 13 that is made of the glass tubule with the internal communication of fluorescent tube 2.In fluorescent tube 2, be sealed with mercury and rare gas as discharge medium.But,, also can save mercury and only rare gas is encapsulated in the fluorescent tube 2 as this discharge medium.
In addition, as shown in Figure 1, the 1st cap body 5 is a pair of up and down prism-shaped lead restriction rib 14a, 14b, 15a, 15b as outstanding integratedly respectively being provided with of lead limiting part in Fig. 1 on the pair of right and left side of the bottom of its recess 5a 5b inner surface.
As Fig. 1 or shown in Figure 5, each lead restriction rib 14a, 14b, 15a, 15b are arranged on the position by the radial outside of the square arrangement of socket pin 5c....That is, lead restriction rib 14a, 14b, 15a, 15b are arranged on the inner surface of the 1st cap body 5, make a pair of outer conductor 7,8 in the footpath of cap body 5,6 cabling (draw I and return The) away from each other upwards.In Fig. 1, Fig. 5, Reference numeral 16a, 16b are a pair of engaging protrusion up and down of the 1st cap body 5, the 17th, from the prism-shaped location rib that the inner surface of the 1st cap body 5 inwardly generally perpendicularly erects, this location is with about central part butt of the distal outer surface of rib and lamp tube end 2b, thereby the installation site when being installed in lamp holder 3 on the fluorescent tube 2 positions.
Shown in the inner surface vertical view of Fig. 9, the 2nd cap body 6 is within it on the substantial middle position of bottom surface, give prominence to and be provided with columniform column rib 18, this column rib 18 is formed with the screwed hole 18a of the not shown installation screw element of threads engage, above and below in Fig. 9 of this column rib 18, the outstanding respectively a pair of cylindric rib 19,19 up and down that is formed with connecting hole 19a that is provided with.These ribs 19,19 position by engaging respectively with a pair of engaging protrusion 16a, the 16b up and down of the 1st cap body (M body) 5, under this state, carry out combination, constitute lamp holder 3 cylindraceous by not shown installation screw element is passed among the through hole 5e screw-in screwed hole 18a.
In addition, the 2nd cap body 6 in Fig. 9 of column rib 18 about, outstanding integratedly being provided with up and down a pair of displacement restriction rib 20a, 20b, 21a, 21b, this point also can be found out from the right side view of Figure 10.
As shown in Figure 3, these displacement restriction ribs 20a, 20b, 21a, 21b are separately positioned on the position of the open end side free terminal face of the 2nd cap body 6 and the free terminal face butt that each lead limits rib 14a, 14b, 15a, 15b.The free terminal face of the open side free terminal of the 2nd cap body 6 and lead restriction rib 14a, 14b, 15a, 15b is not must butt, can have the gap between these free terminal faces yet.But this gap must be the minim gap littler than the diameter of outer conductor 7a, 7b, 8a, 8b.Like this, can avoid outer conductor 7a, 7b, 8a, 8b to cross lead restriction rib 14a, 14b, 15a, 15b and, limit a pair of outer conductor 7,8 or 9,10 approaching towards each other directions and move to the 6 side displacements of the 2nd cap body.
An example of the key dimension of the lamp holder 3 of Gou Chenging is as described below like this.
[the 1st cap body 5 (with reference to Fig. 5)]
Total length: 50.0 ± 0.5mm;
External diameter: 19.6 ± 0.5mm;
The length of the bottom 5b of recess 5a: 20.0 ± 0.3mm;
Opposed couple of conductor restriction rib 14a and 14b, 15a and 15b opposed interval each other: the 9.0 ± 0.3mm on diametric(al) of the 1st cap body 5;
The length on a limit of the axle orthogonal cross-sections of each lead restriction rib 14a, 14b, 15a, 15b: 2.0 ± 0.5mm (lead restriction rib is converted into outside dimension when being cylindrical);
The center of each socket pin 5c is to the lengthwise dimension of each lead restriction rib 14a, 14b, 15a, 15b: 6.0 ± 0.3mm.
[the 2nd cap body 6 (with reference to Fig. 9)]
Total length: 50.0 ± 0.5mm;
External diameter: 19.6 ± 0.5mm;
The opposed a pair of displacement restriction rib 20a on diametric(al) of the 1st cap body 5 and the opposed interval of 20b, 21a and 21b: 9.0 ± 0.3mm;
The thickness (sizes on the 2nd cap body 5 length directions) of each displacement restriction rib 20a, 20b, 21a, 21b: 2.0 ± 0.5mm.
Below, the effect of this circline 1 is described.
At first, in the time of on the outer surface of two end 2a, 2b lamp holder 3 being installed in fluorescent tube 2, as shown in Figure 1, the free terminal portion of each outer conductor 7a, 7b, 8a, 8b after the radial outside of each lead restriction rib 14a, 14b, 15a, 15b passes, is inserted in the patchhole 5ca of each socket pin 5c.Afterwards, the 1st cap body 5 of lamp holder 3 is covered between fluorescent tube two end 2a, 2b, make one of them lamp tube end for example distal outer surface of 2b and positioning rib 17 butts and locate.Secondly, guarantee outer conductor 7a, the 7b in the lamp holder 3, the length of 8a, 8b, so that be in outer conductor 7a, the 7b that inserts logical state, the state that 8a, 8b are deflection a little as shown in Figure 1, by radial rivet is carried out in the outer end of each socket pin 5c outer conductor connected and be fixed on each socket pin 5c.
After this, the openend of the 2nd cap body 6 is anchored on the openend of the 1st cap body 5, each engaging protrusion 16a, 16b of the 1st cap body 5 are fastened in each connecting hole 19a, 19b of the 2nd cap body 6 and locate.
Then, not shown installation screw element inserted the screw element through hole 5d of the 1st cap body 5 and be screwed in the screwed hole 18a of column rib 18 of the 2nd cap body 6, made the 1st cap body 5 and the 2nd cap body 6 strong bonded.
After being installed in lamp holder 3 on the fluorescent tube 2 as mentioned above, (the figure shows the state after fluorescent tube two end 2a, 2b relatively rotate around its axis) as shown in Figure 2 and make lamp holder 3 center on the axis of fluorescent tube two end 2a, 2b when a direction is rotated, among Fig. 2 for example the mid portion of the outer conductor of upside will connect with upper surface among the figure of the distribution of upside among figure restriction rib 14a, 15a, be subjected to towing in the axial direction.
Therefore, when the outer conductor 7a of upside and 8a reach limit of stretch and when tightening, desire increases it to the tension force that the opposite direction of rotating retracts, in case turn to set rotational angle, the angle of rotation of lamp holder 3 just reaches capacity, and it further rotates and is restricted.
In addition, when making lamp holder 3 when rotating in the opposite direction with above-mentioned side, the lead of downside restriction rib 14b among the mid portion of outer conductor 7b, the 8b of downside and the figure among Fig. 2,15b connects and be tightened up, therefore, the angle of rotation of lamp holder 3 can be limited in equally less than in 360 ° the scope, for example 90 °~270 °, in preferably 90 °~120 ° the scope.
In addition, according to this circline 1, do not need to form annular recess (reducing diameter part) on fluorescent tube two end 2a, 2b as the example of aforementioned prior art, therefore, the easy degree of fluorescent tube 2 processing and quick degree can be improved.The present invention does not hinder the employing of annular recess, can form annular recess at least one end of annular lamp tube 2 in case of necessity yet.
Moreover, owing to adopted the simple structure that on lamp holder 3, only forms lead restriction rib 14a, 14b, 15a, 15b, thereby can be very simple and reliablely the angle of rotation of lamp holder 3 be limited.
In addition, only by suitably regulating the length of outer conductor 7a, 7b, 8a, 8b, just can be simply and promptly regulate the angle of rotation of lamp holder 3.
In addition, owing to be formed with the positioning rib 17 that the installation site to fluorescent tube 2 positions on the lamp holder 3, thereby when being installed to lamp holder 3 on the fluorescent tube 2, can simply promptly position.
In addition, because the radial outside of each outer conductor 7a, 7b, 8a, 8b guiding line restriction rib 14a, 14b, 15a, 15b is passed, thereby lamp holder 3 can prevent that this each outer conductor 7a, 7b, 8a, 8b from reversing and being in contact with one another and even problem of short-circuit when rotating.
But, also can on outer conductor 7a, 7b, 8a, 8b, put the reliability of not shown electric insulating tube with the anti-short circuit of further raising.
In addition, in the above-described embodiment, the scheme that is provided with pair of right and left lead restriction rib 14a, 14b, 15a, 15b is illustrated, but the present invention is not limited to this, for example also can with about side omission among one group the lead restriction rib 14a, 14b, 15a, 15b.
Have again, in the above-described embodiment, outer conductor 7a, 7b, 8a, 8b only are illustrated in the scheme of the outside wiring of lead restriction rib 14a, 14b, 15a, 15b, but also can make outer conductor 7a, 7b, the mid portion of 8a, 8b twines the needed number of turns on lead restriction rib 14a, 14b, 15a, 15b.
Figure 11 is the vertical view of the ligthing paraphernalia 31 of the present invention's the 2nd execution mode.This ligthing paraphernalia 31 has: above-mentioned circline shown in Figure 11; The appliance body 32 of this circline 1 is installed in dismounting freely; Be arranged on this appliance body 32, to the lamp circuit 33 of circline 1 power supply.
According to this ligthing paraphernalia 31, the white reflector that is the rectangular pyramid shape of appliance body 32 is roughly to be provided with one heart with the center of tetragonal circline 1, thereby be quadrangle to the characteristic of utensil lower side lighting, can roughly throw light on equably for lighting spaces such as quadrangle rooms.
In addition because the lamp holder 3 of circline 1 can rotate in 90 ° to 120 ° scope around its axis, thereby can improve its with appliance body 32 on lamp socket chimeric of setting and the easy degree that is connected.
Claims (4)
1. a circline is characterized in that,
Comprise:
The fluorescent tube of annular has a pair of filament electrode that is encapsulated in respectively in two ends, is formed at the luminescent coating on the inner surface and is enclosed in inner discharge medium, forms annular in described two end modes opposite each other;
Couple of conductor is connected on each end of described a pair of filament electrode, and extends to the outside from two ends of described fluorescent tube respectively;
And lamp holder, have cap body, socket pin and lead limiting part, described cap body is striden between two ends of described fluorescent tube and is provided with, and rotates freely along the fluorescent tube outer surface, is hollow cylindrical, described socket pin is arranged on the outer surface side of this cap body, and be connected with described lead, described lead limiting part is arranged in described cap body, make described lead in the footpath of described cap body cabling away from each other upwards, the angle of rotation of cap body is limited in the set scope
Described lead is made of outer conductor, inside conductor and packaging line,
Described cap body is made of the 2nd cap body of the 1st cap body of semicircle tubular and the semicircle tubular that combines with the 1st cap body,
On the inner face of the 2nd cap body, be provided with the displacement limiting part, described displacement limiting part connects with described lead limiting part or forms the gap littler than outer conductor diameter, thus the restriction lead is to the displacement of the 2nd cap body side.
2. circline as claimed in claim 1 is characterized in that, described lead limiting part is limited in the angle of rotation of described cap body in 90 °~270 ° the scope.
3. circline as claimed in claim 1 is characterized in that, described lead limiting part is the column rib that is provided with from the inwardly outstanding mode of the inner surface of described cap body.
4. a ligthing paraphernalia is characterized in that,
Comprise:
Circline,
Install this circline the ligthing paraphernalia main body,
With lamp circuit to this circline power supply;
Described circline comprises:
The fluorescent tube of annular has a pair of filament electrode that is encapsulated in respectively in two ends, is formed at the luminescent coating on the inner surface and is enclosed in inner discharge medium, forms annular in described two end modes opposite each other;
Couple of conductor is connected on each end of described a pair of filament electrode, and extends to the outside from two ends of described fluorescent tube respectively;
And lamp holder, have cap body, socket pin and lead limiting part, described cap body is striden between two ends of described fluorescent tube and is provided with, and rotates freely along the fluorescent tube outer surface, is hollow cylindrical, described socket pin is arranged on the outer surface side of this cap body, and be connected with described lead, described lead limiting part is arranged in described cap body, make described lead in the footpath of described cap body cabling away from each other upwards, the angle of rotation of cap body is limited in the set scope
Described lead is made of outer conductor, inside conductor and packaging line,
Described cap body is made of the 2nd cap body of the 1st cap body of semicircle tubular and the semicircle tubular that combines with the 1st cap body,
And this circline is on the inner face of the 2nd cap body, be provided with the displacement limiting part, described displacement limiting part connects with described lead limiting part or forms the gap littler than outer conductor diameter, thereby the restriction lead is to the displacement of the 2nd cap body side.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP278151/2004 | 2004-09-24 | ||
JP2004278151 | 2004-09-24 | ||
PCT/JP2005/017289 WO2006033325A1 (en) | 2004-09-24 | 2005-09-20 | Circular fluorescent lamp and lighting appratus |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101027743A CN101027743A (en) | 2007-08-29 |
CN100594570C true CN100594570C (en) | 2010-03-17 |
Family
ID=36090084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200580032516A Expired - Fee Related CN100594570C (en) | 2004-09-24 | 2005-09-20 | Circular fluorescent lamp and lighting apparatus |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4788601B2 (en) |
KR (1) | KR100862410B1 (en) |
CN (1) | CN100594570C (en) |
TW (1) | TWI288425B (en) |
WO (1) | WO2006033325A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010038252A1 (en) * | 2010-10-18 | 2012-04-19 | Koninklijke Philips Electronics N.V. | Socket for a luminaire with OLED bulb |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1396618A (en) * | 2001-07-06 | 2003-02-12 | 松下电器产业株式会社 | Ring-type flourescent lamp |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5879842U (en) * | 1981-11-17 | 1983-05-30 | 松下電子工業株式会社 | circular fluorescent lamp |
JP3327224B2 (en) * | 1998-10-28 | 2002-09-24 | 松下電器産業株式会社 | Low pressure mercury vapor discharge lamp |
JP2002110098A (en) * | 2000-02-16 | 2002-04-12 | Toshiba Lighting & Technology Corp | Circular fluorescent lamp and luminaire |
JP2002298729A (en) * | 2001-03-30 | 2002-10-11 | Toshiba Lighting & Technology Corp | Circular fluorescent lamp and luminaire |
JP2004039423A (en) * | 2002-07-03 | 2004-02-05 | Matsushita Electric Ind Co Ltd | Circular fluorescent lamp |
JP4331938B2 (en) * | 2002-12-26 | 2009-09-16 | オスラム・メルコ株式会社 | Circular fluorescent lamp |
JP2004311341A (en) * | 2003-04-10 | 2004-11-04 | Nec Lighting Ltd | Base for circular fluorescent lamp |
-
2005
- 2005-09-20 KR KR1020077006185A patent/KR100862410B1/en not_active IP Right Cessation
- 2005-09-20 TW TW094132414A patent/TWI288425B/en not_active IP Right Cessation
- 2005-09-20 JP JP2006536379A patent/JP4788601B2/en not_active Expired - Fee Related
- 2005-09-20 CN CN200580032516A patent/CN100594570C/en not_active Expired - Fee Related
- 2005-09-20 WO PCT/JP2005/017289 patent/WO2006033325A1/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1396618A (en) * | 2001-07-06 | 2003-02-12 | 松下电器产业株式会社 | Ring-type flourescent lamp |
Also Published As
Publication number | Publication date |
---|---|
CN101027743A (en) | 2007-08-29 |
WO2006033325A1 (en) | 2006-03-30 |
TWI288425B (en) | 2007-10-11 |
KR100862410B1 (en) | 2008-10-08 |
JPWO2006033325A1 (en) | 2008-05-15 |
TW200611297A (en) | 2006-04-01 |
KR20070046177A (en) | 2007-05-02 |
JP4788601B2 (en) | 2011-10-05 |
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