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WO1998045873A1 - Lampe fluorescente compacte a haute puissance - Google Patents

Lampe fluorescente compacte a haute puissance Download PDF

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Publication number
WO1998045873A1
WO1998045873A1 PCT/CN1997/000101 CN9700101W WO9845873A1 WO 1998045873 A1 WO1998045873 A1 WO 1998045873A1 CN 9700101 W CN9700101 W CN 9700101W WO 9845873 A1 WO9845873 A1 WO 9845873A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluorescent lamp
ballast
power
lamp according
fluorescent tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN1997/000101
Other languages
English (en)
Chinese (zh)
Inventor
Senjie Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG SUNLIGHT GROUP CO Ltd
Original Assignee
ZHEJIANG SUNLIGHT GROUP CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN97102759A external-priority patent/CN1195875A/zh
Priority claimed from CN 97217507 external-priority patent/CN2295269Y/zh
Priority claimed from CN 97223777 external-priority patent/CN2327883Y/zh
Application filed by ZHEJIANG SUNLIGHT GROUP CO Ltd filed Critical ZHEJIANG SUNLIGHT GROUP CO Ltd
Priority to AU46975/97A priority Critical patent/AU4697597A/en
Publication of WO1998045873A1 publication Critical patent/WO1998045873A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01J61/327—"Compact"-lamps, i.e. lamps having a folded discharge path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/56—One or more circuit elements structurally associated with the lamp
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Definitions

  • the invention relates to a high-power compact energy-saving fluorescent lamp and a lamp made by applying the high-power compact fluorescent lamp. Background technique
  • This fluorescent lamp has three U-shaped elbow structures, interconnected by a bridge structure.
  • the U-shaped elbow structure has a tube diameter of 14.5 mm-16.5 mm, a tube spacing of 3.2 mm-7.5 mm, and a length of 65 mm. -110 mm, overall width of 53 mm-56 mm, and also includes electronic ballasts, connecting wires, lamp holders and threaded connectors.
  • the maximum power of such a disclosed fluorescent lamp is 32 W.
  • This kind of fluorescent lamp is more suitable for general indoor lighting, but it is obviously unable to meet the requirements for places with high illumination such as street lighting and stadium lighting.
  • high pressure sodium lamps or high-intensity gas discharge lamps are considered in such places.
  • high-pressure sodium lamps tend to produce periodic flicker at the end of their service life, which is currently difficult to overcome.
  • high-pressure sodium lamps generally use transparent ceramic tubes to make them more expensive. It emits golden yellow light and has a visual effect. Not as good as fluorescent lights.
  • the high-intensity gas discharge lamp is powered by high-frequency current, the phenomenon of "acoustic resonance" will cause the arc to become unstable until it goes out.
  • An object of the present invention is to provide a high-power compact fluorescent lamp with high luminous efficiency and high luminous flux, which is suitable for high-illuminance places.
  • Another object of the present invention is to provide a high-power compact fluorescent lamp suitable for lighting in high-illuminance places, such as street lamps and stadiums.
  • a high-power compact fluorescent lamp including: a casing; a ballast; and two ends having a mechanical connection with the casing and an electrical connection with the ballast.
  • the effective length is 70 to 284 cm
  • the corresponding fluorescent tube power is 43 to 125 watts
  • the ballast described above has a startup and work maintenance capability corresponding to the power of the fluorescent tube.
  • a lamp which includes a lampshade with a generally concave profile; a reflector, which is installed inside the recess of the lampshade; a transparent outer cover, whose peripheral edges closely fit the lampshade, and are fixed by a plurality of outer covers The lock is tightly fixed to the lampshade; a lamp connector, which is connected to the lampshade; and a high-power compact fluorescent lamp, which is electrically and mechanically connected to the lamp connector, and is located in a space surrounded by the reflector and the transparent cover
  • the high-power compact fluorescent lamp includes: a casing; a ballast; a compact fluorescent tube having two end electrodes mechanically connected to the casing and electrically connected to the ballast; and a A power connection terminal provided on the housing and electrically connected to the ballast and the fluorescent tube, wherein an effective length of a gas discharge path between two end electrodes of the compact fluorescent tube is 70 to 284 cm, corresponding to The fluorescent lamp has a power of 43 to 125 watts,
  • FIG. 1 shows a partially cutaway view of a high-power compact fluorescent lamp according to a first preferred embodiment of the present invention, in which there are four fluorescent lamps with a u-shaped elbow structure arranged side by side;
  • FIG. 2 shows a perspective view of a high-power compact fluorescent lamp according to a second preferred embodiment of the present invention, which has eight U-shaped elbow structures arranged along the circumference;
  • FIG. 3 shows a side view of a high-power compact fluorescent lamp according to a third preferred embodiment of the present invention, which has eight U-shaped elbow structures arranged side by side;
  • Fig. 3a is a bottom view showing the arrangement and connection of the fluorescent tube portions of Fig. 3;
  • Fig. 4 shows a side view of a high-power compact fluorescent lamp according to a fourth preferred embodiment of the present invention, which has three U Shape-bend structure
  • FIG. 6 respectively show two three-dimensional spiral fluorescent tube structures of high-power compact fluorescent lamps according to fifth and sixth preferred embodiments of the present invention
  • 7, 8 and 9 respectively show three planar coiled structures of fluorescent tubes of high-power compact fluorescent lamps according to seventh, eighth and ninth preferred embodiments of the present invention
  • FIG. 10 is a block diagram showing a circuit structure of an electronic ballast used in a fluorescent lamp of the present invention
  • FIG. 11 is a circuit diagram showing a half-bridge inverter circuit of FIG. 10;
  • FIG. 12 shows a schematic diagram of the mechanical structure of the pulse transformer of FIG. 11;
  • FIG. 13 is a schematic diagram showing a circuit structure of an inductor-capacitor series resonant boost type high power factor ballast used in a fluorescent lamp of the present invention
  • Fig. 14 is a schematic diagram showing a structure of a luminaire equipped with a high-power compact fluorescent lamp according to a preferred embodiment of the present invention. Detailed description of the preferred embodiment
  • FIG. 1 shows a schematic diagram of a first preferred embodiment of the high-power compact fluorescent lamp of the present invention.
  • the fluorescent lamp includes a fluorescent tube 1, a housing 2, a ballast 3, and a power connection terminal 4.
  • the casing 2-3 ⁇ 4i is made of an organic polymer material and is fixedly connected to the lamp tube 1.
  • the ballast 3 may be installed inside the casing 2.
  • the power connection terminal 4 is disposed on the housing 2. In this embodiment, it is a screw-type connection terminal for an ordinary incandescent lamp to facilitate installation. Obviously, the power connection terminal can be easily changed to a snap-in connection terminal or various ordinary electrical connection terminals.
  • the electrodes of the lamp tube 1, the leads of the ballast 3, and the power connection terminal 4 are electrically connected in a known manner.
  • the fluorescent tube 1 of the embodiment shown in FIG. 1 is an air-tight structure formed by four U-shaped elbow structures 5 connected side by side with a bridge structure 6 to form a length of 7 between two end electrodes 44 thereof. 0 to 2 ⁇ 4 cm effective gas discharge path.
  • This effective gas discharge path length is hereinafter also referred to as the lamp effective length.
  • the diameter of the fluorescent tube 1 is 12 to 18 mm.
  • the thinner tube diameter helps to make the fluorescent lamp smaller in size, more compact in appearance, saves material, and is more convenient to install and use.
  • the amalgam is provided in the lamp tube 1, and the inner wall of the lamp tube 1 is coated with F15 high-color daylight fluorescent powder.
  • the selection of the effective length of the lamp is determined by the required lamp power and luminous flux.
  • the lamp power can reach 43 W to 125 W.
  • a plurality of U-shaped elbow structures 5 are used, the geometrical length of the lamp can be greatly shortened.
  • - Figure 2 is a schematic perspective view showing a second preferred embodiment of the high-power compact fluorescent lamp of the present invention.
  • the fluorescent lamp tube 1 has eight elbow structures 5, and each elbow structure 5 is a bridge structure 6 are interconnected, and each elbow structure 5 is arranged on the casing 2 around a circumference. The advantage of this arrangement is that the structure of the fluorescent lamp is more compact.
  • Fig. 3 shows a schematic diagram of a third preferred embodiment of the high-power compact fluorescent lamp of the present invention. It is interconnected by eight elbow structures 5 and bridge structures 6. The difference from the embodiment of Fig. 2 is that the elbow structures 5 are arranged side by side and connected in series on the casing.
  • Fig. 3a shows the arrangement of the elbow structure 5 in more detail in a cross-sectional bottom view taken from the position of reference numeral 6 in Fig. 3. This arrangement has the advantages of good heat dissipation, high luminous efficiency, and is more conducive to improving the service life of the fluorescent tube.
  • Fig. 4 shows a fourth embodiment of the high-power compact fluorescent lamp of the present invention.
  • the fluorescent tube has three elbow structures 5 arranged side by side.
  • the fluorescent tube adopts a three-dimensional spiral structure, which is wound three times and five times in the horizontal and vertical directions, respectively.
  • the diameter of the spiral is 1 / 3 ⁇ and 1 / 5 ⁇ of the length of the spiral track. Therefore, even if the length of the fluorescent tube is long, the overall structure of the fluorescent lamp can be made compact.
  • FIG. 7 shows seventh, eighth, and ninth embodiments of the high-power compact fluorescent lamp of the present invention, in which the fluorescent tube uses a two-dimensional coiled structure.
  • the lamp tube of FIG. 7 is provided with three elbow structures 5
  • the lamp tube of FIG. 8 is provided with eight elbow structures 5
  • FIG. 9 is a planar spiral structure.
  • These fluorescent lamp tubes 1 are all mounted on one plane of the flat casing 2.
  • a ballast may be provided in the casing 2
  • a power connection terminal (not shown) may be provided in the casing 2 and the lamp tube 1. The plane is opposite.
  • the fluorescent tube 1 may be provided with only three elbow structures 5 which are U-shaped tubes connected to each other, and the connecting structure 6 is provided at the lower portion.
  • the total length is 117 cm, and the voltage drop of the tube is 172 V.
  • the total length is 88 cm, and the voltage drop of the tube is 155 V.
  • the total length is 70 cm, the voltage drop of the lamp is 130V, the light efficiency is up to 70 1m / W, and the luminous flux can reach 3010 lm.
  • the overall height is less than 18 cm; it is made into three spiral-shaped tubes connected to each other, and its diameter does not exceed 11 cm.
  • the fluorescent lamp tube 1 may be provided with four to eight elbow structures 5 connected to each other with a U-shaped lamp tube.
  • the total length is 284 cm
  • the pressure drop of the tube is 449 V.
  • the total length is 238 cm
  • the voltage drop of the tube is 405 V
  • the light efficiency is as high as 82 lm / w
  • the luminous flux is 10250 lm.
  • a fluorescent tube 1 with a total length of 284 cm is made of a fluorescent lamp with four elbow structures 5 and the overall height is less than 34 cm;
  • a fluorescent lamp with eight elbow structures 5 has an overall height of less than 18 cm; it is made into a spiral tube with five coils connected to each other, and its spiral diameter does not exceed 18 cm. It is made into eight turns of spiral lamp tubes which communicate with each other, and its spiral diameter does not exceed 11 cm.
  • the planar area of the lamp tube formed after the fluorescent lamp tube is bent eight times is 20 ⁇ 25 cm 2 .
  • the inner wall of the above-mentioned lamp tube can also be coated with the three primary color phosphors by a general process, and the lamp tube is only filled with a certain amount of liquid mercury.
  • the ballast 3 needs to be designed correspondingly according to different lamp powers to achieve the required work maintenance capability.
  • the ballast 3 is an electronic ballast using a circuit structure as shown in FIG.
  • the electronic ballast 3 includes a rectifier filter circuit 10, a half-bridge inverter circuit 20, and a booster circuit 30.
  • the AC power supplied to the rectification filter circuit 10 is converted into DC power and then supplied to the half-bridge inverter circuit 20.
  • the AC power output from the half-bridge inverter circuit 20 is boosted by the booster circuit 30 to drive a fluorescent lamp (i.e., a load).
  • the structure of the half-bridge inverter circuit 20 is shown in FIG. 11, which includes a pulse transformer 27 and two inverter transistors 25 and 26.
  • a preferred structure of the pulse transformer 27 is shown in FIG. 12, which includes a toroidal magnetic core 21 and a primary coil 22 and secondary coils 23 and 24 wound with insulated wires.
  • inverter triodes 25 and 26 are connected in series at the power supply end, one end of the primary coil 22 is connected to the series connection point of the inverter triodes 25 and 26, and the other end is connected to the booster circuit 30, and the secondary coils 23 and 24 are respectively Parallel to the inputs of the transistors 25 and 26.
  • Dots ⁇ Denotes the same end of the coil.
  • the turns ratio of the primary coil 22 and the secondary coil may be 1: 2 to 1: 8.
  • the number of turns of the primary coil is 1 to 3.
  • the number of turns of the primary coil is only one.
  • very good start-up characteristics and work maintenance characteristics of the fluorescent lamp are obtained, so that the service life of the fluorescent lamp is also improved.
  • the materials used for the toroidal core 21 are applicable from R1K to R7K. The inductance factor, initial permeability, and saturation magnetic flux density change of 50% do not affect the qualification rate of the product, which makes the choice of core material. The requirements are not high.
  • Another advantage of using such an electronic ballast 3 is that, because of its small size and light weight, it is suitable for being assembled in a casing, thereby forming an integrated fluorescent lamp structure.
  • the inductance of the primary coil of the pulse transformer 27 of such a ballast structure is small, which is conducive to increasing the oscillating working frequency, and the core material is not easy to enter the magnetic saturation, so that the switching power of the inverter power tube is improved.
  • the switching rate is reduced, the switching loss is reduced, and the output voltage of the inverter is increased, so that the fluorescent lamp can be started and maintained more stably. This stable operation also extends the life of the cathode.
  • the inductor-capacitor series resonant boost type high power factor ballast can also be used.
  • One electrode of the capacitor 42 is connected to the tap of the inductor 41, and two end electrodes 44 of the fluorescent tube 1 are respectively connected to one end of the inductor 41 and the other electrode of the capacitor 42.
  • the starter 43 is connected in parallel to the two end electrodes 44 of the fluorescent tube 1.
  • the inductor 41 and the capacitor 42 of this ballast can work in resonance at the power frequency, so that the power factor can be as high as 0.98, and the distortion of the power supply voltage waveform is less than 5%.
  • the voltage of the fluorescent lamp tube 1 is increased to exceed the power supply voltage, and the startup and operation of the high-power fluorescent lamp tube are satisfied.
  • the fluorescent tube 1 shown in the figure shows only two end electrodes 44.
  • This ballast 3 is generally separated from the fluorescent tube 1.
  • the ballast itself has a long working life and high reliability.
  • FIG. 14 shows a schematic perspective view of a fluorescent lamp fixture according to a preferred embodiment of the present invention.
  • the 14 high-power compact fluorescent lamp shown comprises: a lampshade 51, a substantially concave contour; a reflector 52, shade 51 mounted on the inside of the recess; a transparent cover 53, the hood 51 around the edge thereof Tightly fit, and tightly fixed to the lamp cover 51 through a plurality of outer cover fixing locks 54 to prevent invasion of small bugs and moisture; a lamp connecting piece 55 connected to the lamp cover 51; and a high power as described in the previous embodiments
  • the compact fluorescent lamp is electrically and mechanically connected to the lamp connector 55 and is located in a space surrounded by the reflector 52 and the transparent cover 53.
  • the reflector can improve the light efficiency by 10-25%, and the way that the transparent cover is connected with the fixed cover of the light cover makes the replacement and maintenance convenient.
  • the lamp connector 55 has a receiving space for receiving a ballast of a compact fluorescent lamp. This method is particularly suitable for the case where an inductor-capacitor series resonant boost-type high power factor ballast is used, although an electronic ballast can also be accommodated.
  • reference numeral 56 in the figure represents a lamp support rod, and the lamp connection member 55 can be fixed in cooperation with the lamp support rod 56.
  • the ballast is disposed in the housing 2 of the fluorescent lamp, so that the maintenance and replacement of the lamp is more convenient.
  • the power of the fluorescent lamp is 100 W, and a fluorescent tube with a diameter of 16 mm is used.
  • the total length of the tube is n00 mm.
  • the tube wall is coated with a three-color rare earth phosphor, and filled with inert gas and liquid mercury. .
  • the fluorescent tube is composed of four elbow structures arranged along the circumference. In this way, the geometrical shape of the fluorescent tube is shortened to less than 200 mm, the working voltage is 310 V, the working current is 0.325 A, the color rendering index is 85, the luminous flux is 8564 lm, and the light efficiency is 85 ImAV. Due to the use of high-power compact fluorescent lamps, the luminous flux of the luminaire is greatly improved. Therefore, this fluorescent lamp can be applied to street lighting, stadium lighting and other places.
  • the luminous flux of the high-power compact fluorescent lamp according to the present invention can reach 3010-10250 1m, and its color rendering index is similar to that of a metal halide lamp, and is twice that of a high-pressure sodium lamp.
  • the elbow-structured lamp tubes interconnected with a bridge structure are used, they can be arbitrarily arranged into various structural shapes according to actual needs, and have the characteristics of compact structure and simple process.
  • a spiral tube lamp it is more beneficial to reduce the volume occupied by the lamp tube, and has a beautiful appearance, the lamp tube is firm, and it is not easy to be damaged.

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

L'invention concerne une lampe fluorescente compacte à haute puissance comprenant une base (2), un ballast (3), un tube (1) de lampe fluorescente compacte comportant deux électrodes terminales qui sont mécaniquement reliées à ladite base (2) et électriquement reliées audit ballast (3), et une borne de connexion électrique disposée sur la base. La longueur efficace de la voie de la décharge dans le gaz entre les deux électrodes placées aux extrémités dudit tube (1) de la lampe fluorescente compacte est comprise entre 70 et 284 cm, la puissance correspondante de la lampe fluorescente est comprise entre 43 et 125 w et ledit ballast a une capacité de départ et de fonctionnement qui correspond audit tube de lampe fluorescente.
PCT/CN1997/000101 1997-04-04 1997-10-13 Lampe fluorescente compacte a haute puissance Ceased WO1998045873A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU46975/97A AU4697597A (en) 1997-04-04 1997-10-13 A high power compact fluorescent lamp

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN97102759.5 1997-04-04
CN97102759A CN1195875A (zh) 1997-04-04 1997-04-04 大功率紧凑型节能灯
CN 97217507 CN2295269Y (zh) 1997-05-07 1997-05-07 一种脉冲变压器
CN97217507.5 1997-05-07
CN97223777.1 1997-06-03
CN 97223777 CN2327883Y (zh) 1997-06-03 1997-06-03 装有大功率紧凑型节能灯的灯具

Publications (1)

Publication Number Publication Date
WO1998045873A1 true WO1998045873A1 (fr) 1998-10-15

Family

ID=27179117

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN1997/000101 Ceased WO1998045873A1 (fr) 1997-04-04 1997-10-13 Lampe fluorescente compacte a haute puissance

Country Status (2)

Country Link
AU (1) AU4697597A (fr)
WO (1) WO1998045873A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647817A (en) * 1984-11-16 1987-03-03 Patent-Truehand Gesellschaft m.b.H. Discharge lamp starting circuit particularly for compact fluorescent lamps
US4746835A (en) * 1985-09-28 1988-05-24 Kabushiki Kaisha Toshiba Fluorescent lamp device having oval cross sectional tubes
WO1995014189A1 (fr) * 1993-11-16 1995-05-26 Sasaki Humphreys United International Articulation pivotante a ballast pour reverbere
WO1996019823A1 (fr) * 1994-12-20 1996-06-27 Philips Electronics N.V. Lampe a decharge a vapeur de mercure et a basse pression
CN1136704A (zh) * 1995-03-31 1996-11-27 通用电气公司 采用光反射性粘结材料的紧凑型荧光灯

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647817A (en) * 1984-11-16 1987-03-03 Patent-Truehand Gesellschaft m.b.H. Discharge lamp starting circuit particularly for compact fluorescent lamps
US4746835A (en) * 1985-09-28 1988-05-24 Kabushiki Kaisha Toshiba Fluorescent lamp device having oval cross sectional tubes
WO1995014189A1 (fr) * 1993-11-16 1995-05-26 Sasaki Humphreys United International Articulation pivotante a ballast pour reverbere
WO1996019823A1 (fr) * 1994-12-20 1996-06-27 Philips Electronics N.V. Lampe a decharge a vapeur de mercure et a basse pression
CN1136704A (zh) * 1995-03-31 1996-11-27 通用电气公司 采用光反射性粘结材料的紧凑型荧光灯

Also Published As

Publication number Publication date
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