CN201392814Y

CN201392814Y - Double-coupling electrodeless lamp

Info

Publication number: CN201392814Y
Application number: CN200920035228U
Authority: CN
Inventors: 朱升和; 朱斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-11
Filing date: 2009-03-11
Publication date: 2010-01-27
Anticipated expiration: 2019-03-11

Abstract

The utility model discloses a double-coupling electrodeless lamp in the electric light source technical field. The double-coupling electrodeless lamp comprises a lamp tube encapsulated with amalgam material, wherein a coupling cavity is arranged in the center of the lamp tube; a coupling coil is arranged in the coupling cavity; the coupling coil is wound at the periphery of a magnetic core tube; one heat conduction element is inserted into the magnetic core tube; the coupling cavity penetrates through the lamp tube; the two ends of the coupling cavity are respectively provided with a tubular lamp cap; a metal locating sheet is arranged on one end of each lamp cap far away from the lamp tube; the heat conduction element takes the tube shape; the two ends of the heat conduction respectively extend out of the metal locating sheets; heat dissipation holes are arranged on the meal locating sheets; and the electrodeless lamp comprises at least two groups of coupling coils with independent control function. When in work, the heat dissipation is realized due to air convection in the coupling cavity by passing through the heat dissipation holes, so as to have good heat dissipation effect and solve the problem that the power of the high-frequency electrodeless lamp is limited due to poor heat dissipation of the coupling cavity; in addition, the coupling coil can work independently, so that the power of the electrodeless lamp with a single lamp tube can be selected. Therefore, the electrodeless lamp is applicable to the places that need to provide different degrees of illuminating brightness at the right time.

Description

Two coupled electrodeless lamps

Technical field

The utility model relates to a kind of electric light source, particularly a kind of electrodeless lamp.

Background technology

Electrodeless lamp is current up-to-date in the world green, energy-conservation, long-life light source, and particularly the electrodeless lamp of interior coupling is present, can only accomplish below the 100w that the lamp of a small amount of 150w is because of coupling cavity can't dispel the heat, and causing unstable properties, the life-span is short, then more difficult the manufacturing successfully of lamp that 200w is above; Existing a kind of HF lamp without electrodes, its structure mainly comprises the glass bulb of spherical in shape or pyriform, glass bulb one end caves inward, form the coupling cavity of a single-ended opening, be packaged with indium net and amalgam in the glass bulb, be provided with coupling coil in the coupling cavity, coupling coil installs around the periphery at the magnetic core pipe, one heat conductive rod inserts in the magnetic core pipe from the openend of coupling cavity, and the external part of heat conductive rod is connected with metallic lamp holder; Because it does not have necessary filament of conventional electric light source or electrode, so claim electrodeless lamp; Usually the employed operating frequency of low pressure gaseous discharge HF lamp without electrodes is 2.5～3.0MHz, that is to say, the operating frequency of HF lamp without electrodes exceeds 50,000～60,000 times than the operating frequency (50Hz) of lamp kinds such as ordinary incandescent lamp and inductance type fluorescent lamp used in everyday, Metal halogen lamp, high-pressure sodium lamp, and (30～60KHz) exceed about 250 times than the operating frequency of common energy-saving lamp or electric ballast.It has good energy-saving effect, and is shockproof, the long-life, and no stroboscopic, advantages such as High Power Factor can be widely used in city illumination, Landscape Lighting, factory, school, various venue, station etc.Its weak point is: during work, easily produce high temperature (100-200 ℃) in the coupling cavity, high temperature can destroy the characteristic of magnetic material, cause the reduction of exciting power, high temperature also can influence the life-span of coupling coil, because heat conductive rod can only be from single-ended with the heat derivation, for the HF lamp without electrodes (20W-100W) of middle low power, can play effective thermolysis, and for more than the 150W HF lamp without electrodes be difficult to accomplish; In addition, high temperature makes that amalgam, fluorescent material all are difficult to bear, and light efficiency can decline to a great extent, colour temperature rises, and the bad change of degradation photoelectric parameter under the color rendering index just because of it is bad to dispel the heat, causes the power of HF lamp without electrodes to be difficult to improve, and generally is limited in below the 200W; In addition, the power of electrodeless lamp is determined on single fluorescent tube, can not select.

The utility model content

The purpose of this utility model provides a kind of pair of coupled electrodeless lamp, makes electrodeless lamp good heat dissipation can make the above long-time steady operation of fluorescent tube of 200w, and the power of electrodeless lamp can be selected simultaneously.

The purpose of this utility model is achieved in that two coupled electrodeless lamps, comprise the fluorescent tube that is packaged with the amalgam material, the fluorescent tube center is provided with coupling cavity, is provided with coupling coil in the coupling cavity, coupling coil installs around the periphery at the magnetic core pipe, and a heat conducting element is from inserting in the magnetic core pipe; Described coupling cavity runs through fluorescent tube, the coupling cavity two ends are respectively equipped with the lamp holder of tubulose, end away from fluorescent tube on the lamp holder is provided with the metal spacer, described heat conducting element in a tubular form, stretch out from the metal spacer respectively at the heat conducting element two ends, offer louvre on the metal spacer, described coupling coil has two groups that can independently control at least.

The utility model is made fluorescent tube the structure of the coherent coupling cavity of wearing in center, heat conducting element stretches out from the coupling cavity two ends, make the two ends of coupling cavity all can dispel the heat, heat can outwards scatter and disappear through heat conducting element, simultaneously, air and outside air in coupling cavity form convection current through louvre, can play better heat radiating effect, and fluorescent tube can be made spherical in shape or pyriform; Compared with prior art, heat radiation of the present utility model is good, solved bad and the problem that the power HF lamp without electrodes that causes is restricted of coupling cavity heat radiation, can be made into the above high-power high-frequency electrodeless lamp of power 200W, the coupling cavity temperature can drop to about 150 ℃, can protect the three primary colors fluorescent powder of magnetic core pipe, amalgam and coupling cavity light-emitting area effectively; The fluorescent tube of this structure can be broken through 200w easily, and the long-time trouble free service of energy; Two groups of above coupling coils can singly be organized work, also can organize simultaneously more and work, and make the power of the electrodeless lamp of single fluorescent tube to select.The electric light source that obtains according to the utility model can be used for the illumination in various places, is particularly suitable for providing the place of different brightness of illuminations in good time.

As further improvement of the utility model, described magnetic core Guan Weiyi root, coupling coil has two groups, and two groups of coupling coils are disposed on outside the magnetic core pipe, and each draws the lead-in wire of coupling coil since lamp tube ends; The magnetic core pipe also can be two, and two magnetic core pipes are respectively arranged with one group of coupling coil outward, and each draws the lead-in wire of coupling coil since lamp tube ends.Above-mentioned two technical schemes all have simple in structurely, implement advantage easily.

Description of drawings

Fig. 1 is a kind of structural representation of the utility model.

Fig. 2 is another structural representation of the utility model.

Wherein, 1 fluorescent tube, 201 coupling coils, one, 201 coupling coil, two, 3 magnetic core pipes, 301 magnetic core pipes, one, 302 magnetic core pipe, two, 4 heat conducting elements, 5 coupling cavitys, 6 lamp holders, 7 metal spacers, 8 louvres, 9 lead-in wires.

Embodiment

Embodiment 1

As Fig. 1, two coupled electrodeless lamps for 300w, comprise the fluorescent tube 1 that is packaged with the amalgam material, fluorescent tube 1 center is provided with the coupling cavity 5 that runs through fluorescent tube 1, be provided with two groups of coupling coils in the coupling cavity 5, be respectively coupling coil 1 and coupling coil 2 202, coupling coil 1 and coupling coil 2 202 install around the periphery at magnetic core pipe 3 at interval, and heat conducting element 4 in a tubular form is from inserting in the magnetic core pipe 3; Coupling cavity 5 two ends are respectively equipped with the lamp holder 6 of tubulose, end away from fluorescent tube 1 on the lamp holder 6 is provided with metal spacer 7, stretch out from metal spacer 7 respectively at heat conducting element 4 two ends, offer louvre 8 on the metal spacer 7, coupling coil 1 and coupling coil 2 202 can independently be controlled, and the lead-in wire 9 of coupling coil 1 and coupling coil 2 202 is respectively drawn since fluorescent tube 1 two ends; Wherein the power of coupling coil 1 is 100w, and the power of coupling coil 2 202 is 200w.

During work, fluorescent tube 1 heat radiation is good, two groups of coupling coils are worked simultaneously, and the illumination of 300w can be provided, more than sensible 20,000 frees flow of light, can also select the power of 100w, 200w, it is used in street lamp or high-altitude illumination, at prime time section 19:00-22:00, can select the total power illumination, after 22:00, can select the part power illumination, but energy savings.

Embodiment 2

Be with the difference of embodiment 1: described magnetic core pipe is two, be respectively magnetic core pipe 1 and magnetic core pipe 2 302, wherein, the magnetic core pipe one 301 outer coupling coils 1 that installed around, the magnetic core pipe 2 302 outer coupling coils 2 202 that installed around, the lead-in wire 9 of two groups of coupling coils is respectively drawn since fluorescent tube 1 two ends.

The utility model is not limited to the foregoing description, and described coupling coil can be two groups of above many arbitrarily groups, and the power of single group coupling coil also can have more more options.

Claims

1, two coupled electrodeless lamps comprise the fluorescent tube that is packaged with the amalgam material, and the fluorescent tube center is provided with coupling cavity, are provided with coupling coil in the coupling cavity, and coupling coil installs around the periphery at the magnetic core pipe, and a heat conducting element is from inserting in the magnetic core pipe; It is characterized in that: described coupling cavity runs through fluorescent tube, the coupling cavity two ends are respectively equipped with the lamp holder of tubulose, end away from fluorescent tube on the lamp holder is provided with the metal spacer, described heat conducting element in a tubular form, stretch out from the metal spacer respectively at the heat conducting element two ends, offer louvre on the metal spacer, described coupling coil has two groups that can independently control at least.

2, according to claim 1 pair of coupled electrodeless lamp, its spy is characterised in that: described magnetic core Guan Weiyi root, coupling coil has two groups, and two groups of coupling coils are disposed on outside the magnetic core pipe, and each draws the lead-in wire of coupling coil since lamp tube ends.

3, according to claim 1 pair of coupled electrodeless lamp, its spy is characterised in that: described magnetic core pipe is two, and two magnetic core pipes are respectively arranged with one group of coupling coil outward, and each draws the lead-in wire of coupling coil since lamp tube ends.