Dual-coupler electrodeless lamp
A technology of couplers and electrodeless lamps, which is applied in the direction of discharge lamps, parts of gas discharge lamps, lighting devices, etc., can solve the problems of unfavorable observation of the surrounding environment, achieve the effects of lowering the temperature, ensuring the overall life, and increasing the volume
Active Publication Date: 2013-07-31
李霁野
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Problems solved by technology
The traditional method is to turn on the lights at intervals, which will form a dark area on a large road section, which is not conducive to the observation of the surrounding environment by pedestrians and drivers.
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[0016] A kind of double-coupler electrodeless lamp of the present invention, take its appearance as the bulb of straight tube shape as example, as figure 1 As shown, the glass bulb 17 is cylindrical and provided with an axial hole, and the glass bulb 17 forms a cylindrical discharge chamber 6 . A lamp cap 4 and 13 are respectively housed at the two ends of the glass bulb 17, and two couplers are coaxially arranged in the axis hole of the glass bulb 17, and a heat dissipation base 2 and 15 is respectively connected to the outer end of each lamp cap. The coupling coils 7 and 11 of each coupler are respectively connected to the output terminals of two high-frequency circuits 3 and 14, and the input terminals of the high-frequency circuits 3 and 14 are connected from the two ends of the lamp cap through the first and second lead wires 1 and 16 respectively. lead out. The inner side of the peripheral glass bulb 17 is coated with a fluorescent layer, and an amalgam 5 is arranged in...
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The invention discloses a dual-coupler electrodeless lamp which comprises a glass shell, a lamp head, couplers and a high-frequency circuit, wherein one end of the glass shell is connected with the lamp head; one coupler is arranged in the glass shell; a coupling coil of the coupler is connected with the output end of the high-frequency circuit; the inner side of the glass shell is coated with a fluorescent layer; and amalgam is arranged in a cavity of the glass shell. The dual-coupler electrodeless lamp is characterized in that the other coupler is arranged in the glass shell; a coupling coil of the coupler is connected with the output end of the other high-frequency circuit; and temperature in a discharging cavity can be greatly reduced. Two couplers of the invention are respectively controlled by two high-frequency circuits; power output can be used for controlling whether the two high-frequency circuits work simultaneously or any one coupler works individually; in an illuminating peak, the two couplers can simultaneously work; at this time, the power of a light source can reach more than 300W; the light source can be applied to high-power illuminating occasions; and when an illuminance requirement is not high, only one coupler works individually so as to achieve the purpose of saving energy.
Description
technical field [0001] The invention relates to an electrodeless lamp, in particular to an in-coupling electrodeless lamp with double couplers. Background technique [0002] The discharge cavity of the electrodeless lamp is the working environment of amalgam, phosphor, coupling coil and magnetic core. The ambient temperature directly affects its working life, thus determining the life of the light source. The higher the power of the light source, the greater the energy that needs to be coupled, the more heat will be generated, and the more obvious the requirement for heat dissipation. The existing in-coupling electrodeless lamp is started and excited by a coupler, and the cooling rod of the coupler is a copper rod or an aluminum rod. It cannot meet the requirements of making high-power electrodeless lamps. Traditional high-power electrodeless lamps can only achieve about 150W. As a new light source with high color rendering, high luminous stability, no flicker, long life,...
Claims
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IPC IPC(8): H01J65/04H01J61/52H01J61/30H05B41/14
Inventor 薛媛李霁野
Owner 李霁野