CN201681793U - Gourd-type electrodeless lamp bulb - Google Patents

Abstract

The utility model discloses a gourd-type electrodeless lamp bulb, which belongs to the technical field of electrical lighting, and is used to solve problems that a high-power electrodeless lamp bulb body has large volume and is not matched with the existing street lamps, and the lighting is uneven. The gourd-type electrodeless lamp bulb comprises a lamp cap, a coupler base, fluorescent powder, a high temperature wire, amalgam, an inert gas and more than two cavity bodies, and auxiliary amalgam is respectively arranged on an inner tube in each cavity body, and a coil is arranged on a coupler heat conducting rod in the inner tube respectively through a magnetic tube. The gourd-type electrodeless lamp bulb can be widely applied to high-power electrodeless lamp lighting places of roads, tunnels, tall plants and the like.

Description

The calabash shape electrodeless lamp bulb

Technical field

The utility model relates to the electrodeless lamp bulb in a kind of electrical lighting field, specifically a kind of calabash shape electrodeless lamp bulb.

Background technology

Existing HF lamp without electrodes bulb generally is made up of coupler and a foam, there are the following problems but the bulb of this structure is when being used for high-power electrodeless lamp: 1, foam partly generally has only a cavity, when making high-power electrodeless lamp, when remaining unchanged as the foam external diameter, then the tube wall of foam load increases, the foam surface temperature raises, bring the temperature rise light decay of fluorescent material, cause light efficiency to descend,, easily like this cause high-power electrodeless bulb body volume excessive so can only reduce the tube wall load by the external diameter that strengthens foam, do not match with existing road lamp, maybe can not be installed on the light fixture, or it is unreasonable that the back distribution curve flux is installed, and influences bright dipping.2, existing Ordinary Rd adopts the olive-type foam with electrodeless lamp great majority, and the foam height is higher, when electrodeless lamp is worked, foam inside is the plasma distribution state of ball-type, easily causes the middle part of foam bright, and two ends are dark up and down, foam non-uniform light, light efficiency also are subjected to certain influence.So when the electrodeless lamp of designing high-power, can not increase the foam volume simply or increase the foam height, need the electrodeless lamp of other structure of design.

The utility model content

The utility model overcomes the defective on the existing structure, provides and existing light fixture coupling, and external diameter is moderate, and is luminous even, can be used for a kind of calabash shape electrodeless lamp bulb of illuminations such as road, tunnel.

In order to solve the problem of above-mentioned technology, the utility model is achieved through the following technical solutions: the calabash shape electrodeless lamp bulb comprises lamp holder, coupler base, fluorescent material, higher temperature line, amalgam, inert gas and plural multi-cavity body, is equipped with respectively on the interior pipe in each cavity in Auxiliary amalgam, the interior pipe and by magnetic tube coil is housed respectively on the coupler heat conductive rod.

The utility model also can be achieved through the following technical solutions: getter is equipped with at the pipe top in above-described.

Compared with prior art, the beneficial effects of the utility model are: 1, the foam structure of being made up of a plurality of cavitys has replaced a cavity foam structure, and the foam surface area is big, and the tube wall load is little, the light efficiency height.2, the foam external diameter can be controlled in the 100mm, and external diameter is little, can use the road lamp compatibility always with great majority.Visual light fixture form and size adopt the foam of various outer diameter or a plurality of cavity body structures.3, foam structure is reasonable, and each cavity is ball-type, and according to number of cavities, the cavity that magnetic tube on the coupler and coil can be divided on respective numbers group and the foam is complementary, and helps the distribution of plasma, and foam is luminous evenly, the light efficiency height.4, Auxiliary amalgam all is equipped with on the inner tubal wall surface of each cavity, can guarantee that high-power electrodeless lamp can start fast.5, getter is equipped with on pipe top in the foam, can constantly absorb the foreign gas of emitting in the foam, can reduce light decay, prolongs useful life.

Description of drawings

Fig. 1 is two cavity body structure schematic diagrames of the present utility model.

In the accompanying drawings: 1-foam, 2-magnetic tube, 3-coil, 4-cavity, 5-coupler heat conductive rod, 6-magnetic tube, 7-coil, 8-interior pipe, 9-cavity, 10-coupler, 11-lamp holder, 12-coupler base, 13-getter, 14-fluorescent material, 15-Auxiliary amalgam, 16-higher temperature line, 17-amalgam.

Embodiment:

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail: the calabash shape electrodeless lamp bulb of two cavity body structures, form by foam 1 and coupler 10, foam 1 is made up of cavity 4, cavity 9, interior pipe 8, lamp holder 11, getter 13, Auxiliary amalgam 15 and amalgam 17, foam is made up of 2 cavitys, and the external diameter of each cavity is identical; On the coupler in interior pipe cavity magnetic tube and coil are arranged, coil winding is on magnetic tube, the heat conductive rod of band base is housed in the magnetic tube, be distributed with 2 groups of identical coils and magnetic tube on the heat conductive rod, 2 coils interconnect, formed by same higher temperature line coiling, every group of magnetic tube and coil all are in the middle part of foam.Foam 1 inner surface and interior pipe 8 outer surfaces scribble fluorescent material 14, and foam 1 inside is filled with the inert gas of argon gas or the mixing of argon krypton, the sidewall of pipe 8 in two Auxiliary amalgams 15 are separately fixed at, the top of pipe 8 in getter 13 is fixed on; Coupler 10 is made up of magnetic tube 2, coil 3, coupler heat conductive rod 5, magnetic tube 6, coil 7, coupler base 12, is wound with coil 3 on the magnetic tube 2, is wound with coil 7 on the magnetic tube 6, and coiling is a higher temperature line 16 on coil 3 and the coil 7; Magnetic tube 2, coil 3 and Auxiliary amalgam 15 are arranged in the cavity 4, magnetic tube 6, coil 7 and Auxiliary amalgam 15 are arranged in the cavity 9.Coupler 10 is connected with lamp holder 11 by coupler base 12.

Foam 1 and interior pipe 8 adopt the high silicon boron glass of LN4.0 in the utility model, and the foam external diameter is in 100mm; Magnetic tube 2 and magnetic tube 6 adopt the nickel zinc magnetic material of the PN100 of high magnetic permeability, high-curie temperature, initial permeability is 100, full magnetic flow density 400mT, Curie temperature 〉=360 ℃, also can adopt PTM650 MnZn magnetic material, its initial permeability is 650, full magnetic flow density 380mT, Curie temperature 〉=380 ℃; Higher temperature line 16 anti-300 ℃ of the employings that coil 3 and coil 7 use, the silver-coated copper wire of core line diameter φ 0.5mm, insulating barrier is a polytetrafluoroethylmaterial material; Coupler heat conductive rod 5 adopts the T1 copper product; Coupler base 12 adopts the L4 aluminum; Lamp holder 11 adopts the polysulfone material of heatproof more than 150 ℃; Amalgam 17 adopts G type BiInHg4.5%, 85 ℃ or L type BiInHg4.8%, 89 ℃ amalgam; It is the 1Cr18Ni19Ti material that Auxiliary amalgam 15 adopts matrix, and the top layer is the silk net carrying material of pure indium; Getter 13 can adopt TK707 series zirconium vanadium iron nonevaporable getter; Argon gas employing purity is 99.999% argon gas, and argon krypton mist adopts the inert gas of Kr75%+Ar25%; In the foam 1 aeration quantity at 14Pa between the 25Pa; Fluorescent material 14 adopts the three primary colors fluorescent powder material.

Operation principle of the present utility model: electric ballast output high voltage and electric current provide high-frequency energy for coupler 10, high-frequency current passes through from coil 3 and coil 7 via higher temperature line 16, because be two groups of magnetic tubes and coil, so in the cavity 4 of foam 1 and cavity 9, produce high-frequency alternating magnetic field respectively, generation eddy current field in the cavity 4 of foam 1 and cavity 9 respectively again simultaneously, electronics quickens under electric field, collision gas molecule behind the accumulation energy, mercury atom in the foam 1 is excited and ionization, produce ultraviolet ray and excite the fluorescent material 14 on foam 1 inwall and interior pipe 8 outer walls luminous.

The calabash shape electrodeless lamp bulb of three above cavity body structures, it is the cavity that on the basis of the calabash shape electrodeless lamp bulb of two cavity body structures, constantly increases foam, and in ever-increasing cavity the following structure of supporting increase: increase Auxiliary amalgam on inner pipe, in interior pipe, increase magnetic tube on the coupler heat conductive rod respectively, on magnetic tube, increase coil.So just can be made into the calabash shape electrodeless lamp bulb of three, four, five or the like multi-cavity body structures.

Claims (2)

1. calabash shape electrodeless lamp bulb, comprise lamp holder (11), coupler base (12), fluorescent material (14), higher temperature line (16), amalgam (17) and inert gas, it is characterized in that on the interior pipe (8) in the plural multi-cavity body (4,9) Auxiliary amalgam (15) being housed respectively, by magnetic tube (2,6) coil (3,7) is housed respectively on the coupler heat conductive rod (5) in the interior pipe.

2. calabash shape electrodeless lamp bulb as claimed in claim 1 is characterized in that interior pipe (8) top is equipped with getter (13).

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