CN102576647A - Discharge lamp and illumination device - Google Patents
Discharge lamp and illumination device Download PDFInfo
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- CN102576647A CN102576647A CN2011800035202A CN201180003520A CN102576647A CN 102576647 A CN102576647 A CN 102576647A CN 2011800035202 A CN2011800035202 A CN 2011800035202A CN 201180003520 A CN201180003520 A CN 201180003520A CN 102576647 A CN102576647 A CN 102576647A
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- Prior art keywords
- discharge lamp
- luminous tube
- lamp
- tube
- addition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A discharge lamp (10) has a planar spiral-shaped luminous tube (11). The tube diameter (D2) of the luminous tube (11) is 18 mm to 22 mm, and the maximum outside diameter of rotation (D1) of the luminous tube (11) when seen in plan view is 250 mm to 270 mm. The discharge lamp (10) is turned on with a high frequency of 10 kHz or greater and a lamp power in the range of 58-70.5 W.
Description
Technical field
The present invention relates to discharge lamp and lighting device, particularly possess and in overlooking, have discharge lamp and the lighting device of overlapping around the luminous tube of shape.
Background technology
In the past, in purposes such as room lighting, be widely used and possessed the discharge lamp of circular luminous tube.In recent years, proposed to possess and outside specified lighting, can also carry out the discharge lamp (for example, with reference to patent documentation 1) that high frequency that high output lights is lighted special-purpose circular luminous tube.In this lamp, can enough littler power when specified lighting obtain and the output of identical in the past light (, can light) with high efficiency, can export to obtain bigger light when lighting in height output with identical in the past efficient.
In addition, in order to realize miniaturization, study, develop possess with the pipe central portion be the centre of gyration be overlook the rotating shape of double helix shape (below, be designated as " snail shape ".) the discharge lamp (for example, with reference to patent documentation 2) of luminous tube.
Particularly; It is the centre of gyration rotating shape on imaginary plane with its length direction central portion that the luminous tube of snail shape has the luminous tube that discharge path extends to strip; Inclosure (for example has mercury (Hg) and buffer gas in inside; Argon gas (Ar)), be formed with luminescent coating at inner peripheral surface.
Therefore the discharge lamp of luminous tube with snail shape, compared the discharge lamp with circular luminous tube that in the past always used because the area inside of annulus also is used effectively, and can increase discharge path length.Thus, in the discharge lamp of the luminous tube that possesses the snail shape, compare the discharge lamp that possesses circular luminous tube in the past, can under certain size, realize the output of high efficiency and high light, in addition, also can realize the miniaturization that the footpath makes progress.
The prior art document
Patent documentation
Patent documentation 1: No. 3055769 communique of Japan Patent;
Patent documentation 2: No. 4061263 communique of Japan Patent.
Summary of the invention
The problem that invention will solve
But; On market; For discharge lamp with circular luminous tube; Used the discharge lamp of various sizes and lamp power according to purposes or utensil, but in the technology that above-mentioned patent documentation 2 proposes, be difficult to provide a kind of one side corresponding to can the get both discharge lamp of the luminous tube that possesses the snail shape that high efficiency and high light exports of so one side such as various sizes.
The present invention makes in order to address the above problem, and its purpose is to provide a kind of discharge lamp and lighting device, and it possesses the luminous tube of snail shape, and simultaneously can with the size of size irrespectively with compared get both high efficiency and the output of high light in the past.
The scheme that is used to deal with problems
Therefore, the present invention adopts following structure.
The present invention is a kind of discharge lamp; It is that the centre of gyration is and overlooks the rotating shape of double helix shape that the luminous tube that both ends have been hermetically sealed has with its tube axial direction central portion; Said discharge lamp is characterized in that; The caliber of luminous tube is more than 18 ［ mm ］ and below 22 ［ mm ］; Maximum rotating diameter overlooking under the situation of luminous tube is more than 250 ［ mm ］ and below 270 ［ mm ］, and the above high frequency of lamp power and 10 ［ kHz ］ above with 58 ［ W ］ and that the scope below 70.5 ［ W ］ is interior is lighted.
In addition, lighting device of the present invention is characterized in that possessing the discharge lamp of the invention described above.
The invention effect
In discharge lamp of the present invention and lighting device; Compare the discharge lamp that in the past always used with circular luminous tube; Area inside through annulus also is used effectively, thereby can make discharge path length elongated, can realize high light output or realize the miniaturization that the footpath makes progress.
In addition, in discharge lamp of the present invention and lighting device, stipulate individually the sizes of luminous tube particularly, and with each size corresponding in, lamp power is defined in the scope of afore mentioned rules the high efficiency that can get both thus and the output of high light.
Therefore, discharge lamp of the present invention and lighting device possess the luminous tube of snail shape, can irrespectively realize getting both of high efficiency and the output of high light with comparing in the past with size.
Description of drawings
Fig. 1 is the side view of structure of the lighting device 1 of expression execution mode.
Fig. 2 is a side view of representing the structure of discharge lamp 10 included in the lighting device 1.
Fig. 3 is the plane graph of the structure of expression discharge lamp 10.
Fig. 4 is the stereogram of the structure of expression support 12 and lamp holder 121,122.
Fig. 5 is that the end of expression luminous tube 11 has been inserted into the figure of the state of lamp holder 121, be for the appearance of inside that lamp holder 121 is described incised notch the figure of a part of lamp holder 121.
Fig. 6 (a) is the figure that observes the section of G-G line Fig. 5 from the direction of arrow, is the figure that representes not fill the state of silicone resin.Fig. 6 (b) is the figure that observes the section of G-G line Fig. 5 from the direction of arrow, is the figure that the state of silicone resin has been filled in expression.
Embodiment
Below, the mode that is used for embodiment of the present invention is illustrated an example describe.In addition, the mode of using in the following explanation is an example of using for easy to understand ground explanation structure of the present invention and effect, effect, and the present invention does not receive any qualification of following mode beyond the characteristic of its internal.
[execution mode]
1. lighting device 1
Use Fig. 1 that the structure of the lighting device 1 of execution mode is described.
As shown in Figure 1, the lighting device 1 of this execution mode is for example for directly being installed on the device of the mode of ceiling 500, and the terminal box (rosette) that is located at ceiling 500 relatively (is omitted diagram.), install with lamp socket 22.The apparatus main body 20 of lighting device 1 constitutes with bowl-shape lampshade 21 with downwardly facing opening, the mode that is installed on the appliance stand 23 of its bottom surface and is secured to the discharge lamp 10 of appliance stand 23.
The inner peripheral surface of lampshade 21 for example is made up of reflecting surface, and it will reflect to desired range (for example downward) from the light that discharge lamp 10 sends.The reflecting surface of lampshade 21 for example can be filmed by white and constituted, or constitutes through applying aluminium oxide particles.The inside of the device lamp socket 22 in apparatus main body 20 is taken in the electronic stabilizer that is inserted in the current path and (is omitted diagram between source power supply and discharge lamp 10.）。The high frequency special-purpose stabilizer of electronic stabilizer for adopting series resonant inverter (series inverter) mode.This electronic type stabilizer can after 121,122 voltages that apply the high frequency more than the frequency 10 ［ kHz ］ of lamp holder of the discharge lamp 10 stated.
2. discharge lamp 10
Use Fig. 2 and Fig. 3 that the structure of discharge lamp included in the lighting device 1 10 is described.Fig. 2 is the side view of discharge lamp 10, and Fig. 3 is the plane graph of discharge lamp 10.
As shown in Figure 2, discharge lamp 10 constitutes with the mode of the luminous tube that possesses the discharge path with strip 11 and support 12, and this support 12 is used for luminous tube 11 is kept its top (opposition side of rayed side).On support 12, be provided with a pair of lamp holder 121,122 at the outermost portion of luminous tube 11.In addition, in luminous tube 11, middle body bulging (bulge 11a), this bulge 11a is the cold spot place of lamp when lighting.
In addition, the cold spot place when lamp is lighted is not limited to be located at middle body, also can be located at arbitrary end of luminous tube.In this case, for example blast pipe is located at arbitrary end of luminous tube 11, blast pipe is being separated under the situation of sealing, also can cold spot place be located at this blast pipe remainder.And then; Be located at the blast pipe remainder under the situation of arbitrary end of luminous tube 11; For the ease of cold spot place is located at the blast pipe remainder, also can be so that be provided with the position of the filament of blast pipe remainder side and more be provided with by the mode of lamp central portion side than the position of the filament that is not provided with blast pipe remainder side.
As shown in Figure 3, in the discharge lamp 10 of this execution mode, it partly is that the centre of gyration is and overlooks down the rotating shape of double helix shape that luminous tube 11 has substantial middle with the length direction of discharge path.And the end of luminous tube 11 is configured with the state with the X-direction face-off at rotating most peripheral, and is provided with lamp holder 121,122 in each end.Luminous tube 11 turns round with maximum rotating diameter D1 ［ mm ］.
Fig. 4 is the stereogram of support 12 and lamp holder 121,122.
Like Fig. 2 and shown in Figure 3, support 12 is plate-shaped members that the interarea of opposition side of the shadow surface side of a luminous tube that profile is in the form of annular discs 3 carries out crosscut, is provided with two lamp holders 121,122 at its both ends.In addition, support 12 and lamp holder 121,122 are one here, but also can and then will fix the structure that becomes one separately for for example independent respectively manufacturing support and lamp holder.
What for example as shown in Figures 2 and 3, lamp holder 121,122 possessed the end that is embedded in luminous tube 11 is electrically connected the lamp head 125,126 of supplying power to accept by embedding portion 123,124 and with the lamp socket (omitting diagram) of light fixture side.
As shown in Figure 4, by embedding portion 123,124 make and the periphery of the end of luminous tube 11 between form such roughly cylindric in space, and be located at support 12 with the state towards opposite of mutual opening.
Also can be had notch 127 by embedding portion 123; This notch 127 is used for when lamp holder 121 is passed through the adhesive of fixed part, for example silicone resin etc. with luminous tube 11; With the unnecessary fixed parts after being filled in the lamp holder 121 guide to relative lamp holder 121 radially (near the side of gyroaxis Y) adjacency the glass tube side (in addition; Though not expression also can be had notch by embedding portion 124 in the drawings.）。
In the inside of lamp holder 121, for example be provided with restrictions at lamp head 125 and by the inner peripheral surface of embedding portion 123.Here, as an example of restrictions, it is by to outstanding by the central shaft of embedding portion 123 and along by the embedding portion central axis direction (direction that the end of lamp holder 121 sides of luminous tube 11 is inserted into.) a plurality of ribs 128 of extending constitute (with reference to Fig. 6 (a)).
Shown in Fig. 6 (a), a plurality of ribs 128 (are being represented with 128a, 128b, 128c than three of the opposition side formation of being leaned on plane of illumination by the center of embedding portion 123.), (representing leaning on the plane of illumination side to form three than the center with 128d, 128e, 128f.), add up to form the six roots of sensation.In addition, also be formed with six roots of sensation rib by embedding portion 124 sides.
In addition, though the quantity of establishing rib 128 here for amounting to the six roots of sensation,, as long as can with the end of luminous tube to a certain degree positioning instant can, its quantity does not limit especially.But, under the situation of utilizing cross section shape for the luminous tube of circle, the location, end that can be easier to more than three luminous tube is arranged.
Lamp head 125,126 is located at by the opposition side of the open side of embedding portion 123,124.
As shown in Figure 4, lamp head 125 is to have the lamp head of bottom tube-like main body 129 to be arranged and be located at a pair of pin (pin) 130a of the diapire of lamp head main body 129, the so-called G model of 130b (for example G5 model etc.).Lamp head 126 is the G model with lamp head main body 131, a pair of pin 132a, 132b too.
A pair of pin 132a, the 132b of a pair of pin 130a, 130b and the lamp head 126 of lamp head 125 stretch out along the gyratory directions of the end of luminous tube 11; And along oppositely stretching out each other; As shown in Figure 2, the orientation of a pair of pin 130a, 130b, 132a, 132b is a gyroaxis Y direction.
As shown in Figure 4, support 12 (is rectangle for rectangular plate shape in overlooking.), be provided with lamp holder 121,122 at the two ends of its length direction.Also can be formed with the support projection 133,134 of supporting luminous tube 11 at support 12.
As shown in Figure 4, this support projection 133,134 forms with the mode between the two ends of the short dimensional directions of striding support 12.The end (end of lamp head side) of in addition, inserting the destination in the end of the luminous tube 11 of support 12 is formed with the side-prominent and binding projection 135 that extend and link to each other with an end of support projection 133 along the ora terminalis of support 12 from the plane of illumination of support 12.In addition, link projection 134 and not only may reside in lamp holder 121 sides, also may reside in lamp holder 122 sides.
Fig. 6 is that expression has been inserted into the figure of the state of lamp holder 121 with the end of luminous tube 11, and for the appearance of the inside of knowing lamp holder 121, the part of lamp holder 121 is by incised notch.
In addition, Fig. 6 (a) is the figure that observes the state of section before filling fixed part of G-G line Fig. 5 from the direction of arrow, and Fig. 6 (b) is the figure that observes the state of section after having filled fixative of G-G line Fig. 5 from the direction of arrow.
Shown in Fig. 6 (a); Under the state in the end of luminous tube 11 is inserted into lamp holder 121; The periphery of the end of luminous tube 11 (11a) is by being formed at by the rib 128a of embedding portion 123 and lamp head main body 129～f supporting; In addition, luminous tube 11 and parts lamp holder 121 adjacency (11b) are by support projection 133 supportings.
Turn back to Fig. 5, the inside of the pin 130b at the end of the pair of lead wires 137 of stretching out from the end of luminous tube 11 through being secured to lamp head main body 129 utilizes scolder etc. to be fixed on the front end of pin 130b.In addition, the pin 130b among Fig. 5 is shown in the section, for the convenience of accompanying drawing, omitted and pin 130a and 136 be connected of going between, but identical with pin 130b and 137 the connection of going between.
Shown in Fig. 6 (b), luminous tube 11 and lamp holder 121,122 fixing through carrying out at fixed part, the for example silicone resin 128 of filling between the end 13 of lamp holder 7 and luminous tube 3 etc.At this moment, with also fixing with support 12 through silicone resin 138 by the glass tube 19b of the inboard of embedding portion 123 adjacency.
In addition, as lamp holder 121,122 or support 12, can adopt various structures.
Turn back to Fig. 3, shown in the part that the double dot dash line of Fig. 3 is surrounded, luminous tube 11 has two ends by hermetically sealed glass tube, and portion space (discharge space) 11b encloses with the pressure of for example 400 ［ Pa ］ within it has mercury (Hg) and buffer gas (for example argon gas).In addition, the mercury of inclosure can be morphon, perhaps also can be the amalgam form of zinc-mercury, argental mercury, bismuth indium mercury etc.
Though omitted diagram, this discharge lamp is for example fluorescent lamp, in this case, is formed with luminescent coating at the inner peripheral surface of luminous tube 11.Luminescent coating is that the material of for example sintering rear earth containing fluorophor forms, and contains Y2O3:Eu, LaPO4:Ce and BaMg2Al16O27:Eu, Mn.
In addition, each end in luminous tube 11 is provided with electrode (omitting diagram).Electrode is the electrode of bead fit for example, and the pair of lead wires of its heater winding by tungsten (W) system, this heater winding of bolster and the bead of this pair of lead wires of fixed bearing constitute.
The structural element of luminous tube 11 is that glass tube is made up of for example barium strontium silicate glass (crown glass, soft glass).And the section of glass tube is a circular.
The wall thickness of luminous tube 11 is expressed with ((D2-D3)/2), for example is 0.8 ［ mm ］～1.2 ［ mm ］.
3. lamp power and each size
In the lighting device 1 of execution mode, the lamp power of discharge lamp 10 and the relation of each size are described.As shown in Figure 3, by as caliber D2, maximum rotating diameter D1 and the lamp power of luminous tube 11 of the regulation discharge lamp 10 that gets off.
(1) 63 ［ W ］ model
Caliber D2=18 ［ mm ］～22 ［ mm ］
Maximum rotating diameter D1=250 ［ mm ］～270 ［ mm ］
Lamp power: 63 ［ W ］
In addition, the lamp power of this model is as long as more than 58 ［ W ］ and in the scope below 70.5 ［ W ］.
4. discharge lamp 10 and the superiority that possesses the lighting device 1 of this discharge lamp 10
The discharge lamp of this execution mode 10 with possess in the lighting device 1 of this discharge lamp 10; Compare the discharge lamp that in the past used with circular luminous tube; Area inside through to annulus is also effectively utilized; Thereby can make discharge path length elongated, can realize high light output, perhaps realize the miniaturization that the footpath makes progress.
In addition; In discharge lamp 10 and lighting device 1; Indivedual sizes (caliber D2 and maximum rotating diameter D1) of stipulating luminous tube 11 particularly, and with each size corresponding in, lamp power is defined in the above-mentioned scope; Thus, can irrespectively realize getting both of high efficiency and high light output with the size of lamp size.
Therefore, the discharge lamp 10 of this execution mode can possess the luminous tube 11 of snail shape and corresponding to various sizes efficient and light output under each size all improved simultaneously with lighting device 1.
［ affirmation ］
Confirm above-mentioned superiority with (table 1) and (table 2).
［ table 1 ］
［ table 2 ］
(table 1) expression is distinguished by each model to the discharge lamp 10 of above-mentioned execution mode lamp current, total light flux and efficient has been carried out the result who confirms.In addition, (table 2) is with (table 1) corresponding mode the discharge lamp with circular luminous tube of model is in the past distinguished the result who has carried out same mensuration by each model.This mensuration is through carrying out discharge tube lighting from the electronic type stabilizer to 121,122 high frequency voltages that apply more than the frequency 10 ［ kHz ］ of lamp holder of discharge lamp 10.Particularly, can confirm as follows: apply the high frequency voltage of 45 ［ kHz ］, made discharge tube lighting, as long as but apply the above high frequency voltage of 10 ［ kHz ］, just there is identical tendency.
As shown in table 1, in the discharge lamp of embodiment 1, caliber D2 is that 20 ［ mm ］, maximum rotating diameter D1 are that 250 ［ mm ］, lamp power P are 58 ［ W ］.In this discharge lamp, total light flux is that 6050 ［ lm ］, efficient are 104 ［ lm/W ］.
On the other hand, as shown in table 2, all be that total light flux is, efficient is below 101 ［ lm/W ］ below 5480 ［ lm ］ at any discharge lamp of comparative example 1～8.
As stated, can know in the discharge lamp of embodiment 1, with respect to any discharge lamp of the comparative example shown in the table 2 1～8 can both get both high total light flux and high efficiency.
Equally, as shown in table 1, in the discharge lamp of embodiment 2, caliber D2 is that 20 ［ mm ］, maximum rotating diameter D1 are that 253 ［ mm ］, lamp power P are 60 ［ W ］.In this discharge lamp, total light flux is that 6300 ［ lm ］, efficient are 105 ［ lm/W ］.
In addition, in the discharge lamp of embodiment 3, caliber D2 is that 20 ［ mm ］, maximum rotating diameter D1 are that 258 ［ mm ］, lamp power P are 63 ［ W ］.In this discharge lamp, total light flux is that 6620 ［ lm ］, efficient are 105 ［ lm/W ］.
In addition, in the discharge lamp of embodiment 4, caliber D2 is that 20 ［ mm ］, maximum rotating diameter D1 are that 263 ［ mm ］, lamp power P are 66 ［ W ］.In this discharge lamp, total light flux is that 6930 ［ lm ］, efficient are 105 ［ lm/W ］.
In addition, in the discharge lamp of embodiment 5, caliber D2 is that 20 ［ mm ］, maximum rotating diameter D1 are that 270 ［ mm ］, lamp power P are 70 ［ W ］.In this discharge lamp, total light flux is that 7410 ［ lm ］, efficient are 106 ［ lm/W ］.
In addition, in the discharge lamp of embodiment 6, caliber D2 is that 21 ［ mm ］, maximum rotating diameter D1 are that 250 ［ mm ］, lamp power P are 57.5 ［ W ］.In this discharge lamp, total light flux is that 6050 ［ lm ］, efficient are 105 ［ lm/W ］.
In addition, in the discharge lamp of embodiment 7, caliber D2 is that 19 ［ mm ］, maximum rotating diameter D1 are that 270 ［ mm ］, lamp power P are 70.5 ［ W ］.Total light flux is that 7410 ［ lm ］, efficient are 105 ［ lm/W ］ in this discharge lamp.
In the discharge lamp of these embodiment 2～7, can access than the higher total light flux of the discharge lamp of embodiment 1 and can access the efficient of 105 ［ lm/W ］.Therefore, embodiment 2～7 is with respect to any discharge lamp of the comparative example shown in the table 2 1～8 can both get both high total light flux and high efficiency.
Therefore, the discharge lamp 10 of this execution mode and lighting device 1 can possess the luminous tube 11 of snail shape and all improve efficient and light output under each size corresponding to various sizes with respect in the past discharge lamp (discharge lamp of comparative example 1～8) simultaneously.
［ other business ］
Above-mentioned execution mode is represented an example of the present invention, and the present invention is not limited by this except the structure of internal.For example, for structural material of discharge lamp 10 etc.,, but can suitably change with the mode that is suitable for all size in the above-mentioned example of having represented.
In addition, as shown in Figure 3, in the discharge lamp 10 of above-mentioned execution mode, the coiling number of turns of glass tube is about 7/4 circle, but is not limited thereto, and can make in various manners.In addition, the coiling number of turns of glass tube is preferably in the scope that 1.5 circles are above and 1.65 circles are following.In this case, can be easy to moderately carry out the processing of glass tube.And then, in the coiling number of turns of the glass tube scope that more preferably 1.55 circles are above and 1.6 circles are following.
In addition, the coiling number of turns of glass tube shown by the rotation numerical table, and this rotation number is that the tubular axis X of the middle body of glass tube is begun till each end from the middle body of glass tube, is the rotation number that rotating shaft rotates with the gyroaxis Y of glass tube.
In addition, as shown in Figure 2, the length L of the discharge lamp 10 on the gyroaxis direction of glass tube is preferably below 36 ［ mm ］.In this case, can be easy to be suitable for ligthing paraphernalia.And then, in the length L scope that more preferably 25 ［ mm ］ are above and 36 ［ mm ］ are following.In this case, can make the easy to manufacture of lamp, be easy to be suitable for slim ligthing paraphernalia.
In addition, as shown in Figure 3, being preferably in the scope that 63.5 ［ mm ］ are above and 64.5 ［ mm ］ are following between the root of the pin of each lamp holder apart from M.In this case, can make to the installation of ligthing paraphernalia easy.
In addition, as shown in Figure 3, in the discharge lamp 10 of above-mentioned execution mode, make the section shape of glass tube be circle, but also can be ellipse or Long Circle.In this case, can stipulate and above-mentioned suitable major diameter and minor axis for " caliber D2 ".
In addition, in the above-described embodiment, adopted in the pipe of luminous tube 11 perimembranous to be formed with the structure of luminescent coating as an example, but the also also nonessential important document of the formation of luminescent coating.
In addition, in the present invention, "～" of expression number range comprises the numerical value at its two ends.
Utilizability on the industry
The present invention can be used for realizing possessing the luminous tube of snail shape and irrespectively realizing discharge lamp that gets both and the lighting device that high efficiency and high light are exported with the size of size.
Description of reference numerals
1 lighting device
10 discharge lamps
11 luminous tubes
12 supports
20 apparatus main bodies
21 lampshades
22 device lamp sockets
23 appliance stands
121,122 lamp holders
500 ceilings.
Claims (3)
1. it is that the centre of gyration is and overlooks the rotating shape of double helix shape that the luminous tube that discharge lamp, both ends have been hermetically sealed has with its tube axial direction central portion, wherein,
The caliber of said luminous tube is more than 18 ［ mm ］ and below 22 ［ mm ］,
Maximum rotating diameter overlooking under the situation of said luminous tube is more than 250 ［ mm ］ and below 270 ［ mm ］,
The above high frequency of lamp power and 10 ［ kHz ］ above with 58 ［ W ］ and that the scope below 70.5 ［ W ］ is interior is lighted.
2. discharge lamp according to claim 1, wherein,
In the inclosure of the inner space of said luminous tube mercury and buffer gas are arranged,
Be provided with the electrode body of accepting the electric power supply and carrying out the electronics emission at the two ends, inside of said luminous tube,
Inner peripheral surface at said luminous tube is provided with the luminescent coating that ultraviolet ray is transformed to visible light.
3. lighting device wherein, possesses:
The described discharge lamp of claim 1; And
The ligthing paraphernalia of said discharge lamp is installed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-225331 | 2010-10-05 | ||
| JP2010225331 | 2010-10-05 | ||
| PCT/JP2011/003735 WO2012046367A1 (en) | 2010-10-05 | 2011-06-29 | Discharge lamp and illumination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102576647A true CN102576647A (en) | 2012-07-11 |
Family
ID=45927378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800035202A Pending CN102576647A (en) | 2010-10-05 | 2011-06-29 | Discharge lamp and illumination device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5180404B2 (en) |
| CN (1) | CN102576647A (en) |
| WO (1) | WO2012046367A1 (en) |
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| CN1159529A (en) * | 1995-11-27 | 1997-09-17 | 松下电子工业株式会社 | Method for making fluorescent lamp |
| CN1168457A (en) * | 1996-03-05 | 1997-12-24 | 东芝照明技术株式会社 | Ring fluorescent lamp and illuminating lamps and lanterns |
| CN1637999A (en) * | 2003-11-25 | 2005-07-13 | 松下电器产业株式会社 | Manufacturing method of arc tube in excellent design, low-pressure mercury lamp, and illumination apparatus |
| JP2007273335A (en) * | 2006-03-31 | 2007-10-18 | Matsushita Electric Ind Co Ltd | Fluorescent lamp |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6099971A (en) * | 1983-11-02 | 1985-06-03 | 三洋電機株式会社 | Absorber for absorption refrigerator |
| JP3020927B2 (en) * | 1998-10-05 | 2000-03-15 | 株式会社日立製作所 | Fluorescent lamp |
| JP4820430B2 (en) * | 2009-04-20 | 2011-11-24 | パナソニック株式会社 | Discharge lamp and lighting device |
-
2011
- 2011-06-29 JP JP2012503798A patent/JP5180404B2/en not_active Expired - Fee Related
- 2011-06-29 CN CN2011800035202A patent/CN102576647A/en active Pending
- 2011-06-29 WO PCT/JP2011/003735 patent/WO2012046367A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0945283A (en) * | 1995-07-28 | 1997-02-14 | Matsushita Electric Works Ltd | Fluorescent lamp |
| CN1159529A (en) * | 1995-11-27 | 1997-09-17 | 松下电子工业株式会社 | Method for making fluorescent lamp |
| CN1168457A (en) * | 1996-03-05 | 1997-12-24 | 东芝照明技术株式会社 | Ring fluorescent lamp and illuminating lamps and lanterns |
| CN1637999A (en) * | 2003-11-25 | 2005-07-13 | 松下电器产业株式会社 | Manufacturing method of arc tube in excellent design, low-pressure mercury lamp, and illumination apparatus |
| JP2007273335A (en) * | 2006-03-31 | 2007-10-18 | Matsushita Electric Ind Co Ltd | Fluorescent lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5180404B2 (en) | 2013-04-10 |
| WO2012046367A1 (en) | 2012-04-12 |
| JPWO2012046367A1 (en) | 2014-02-24 |
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Application publication date: 20120711 |