WO2007012236A1 - Xe FILLED METAL HALIDE LAMP WITH INTEGRATED DOUBLE ELECTRIC TUBES FOR VEHICLE - Google Patents

Abstract

A Xe filled metal halide lamp with integrated double electric arc tubes for vehicle, comprising a quartz outer shell (6) filled with high purity nitrogen gas or other inert gas, and two Xe filled metal halide lamps (1, 2) located inside the quartz outer shell, wherein each one terminal of the metal halide lamps (1, 2) is electrically led out of the lamp cap. One metal halide lamp (1) is located at the upper portion inside the outer shell (6) and used as a low beam lamp, and the other is located outside the central axial line of the outer shell and used as a high beam lamp. A light-shielding hood (4) is arranged between the lateral surface of the low beam lamp and the outer shell. The axial line of the electric arc tube of the high beam lamp (2) is parallel to the central axial line of the quartz outer shell (6), and the interval between the two axial lines is l~3mm. The center distance between the electric arc tubes of the two metal halide amps (1, 2) exceeds or equals to 8mm.

Description

 Double-arc tube integrated Xenon metal halide lamp tube for vehicle

 The utility model relates to a far-near-light combination metal halide lamp tube for vehicles, in particular to a double-arc tube integrated xenon metal halide lamp tube for vehicles. technical background

 The commonly used H4 type tungsten halogen lamp for vehicles has two filaments, and the structure is: a filament farther from the lamp head is used for low beam illumination, and the filament lead is connected with a wire passing through the lamp cap, the low beam filament 7毫米, The distance between the center of the filament and the reference surface of the lamp is 28.5~28.8mm, or the distance between the center of the filament and the reference surface is 31. 7mm, the light is placed in the direction of the light bulb. The hood is mounted on the near side of the filament; and the other filament of the lower end of the filament and the near-head is illuminated by the high beam, so that the near-light function can be realized in the same tungsten halogen lamp.

 After the vehicle's Xenon metal halide lamp is mature, many people hope to replace the H4 type tungsten halogen lamp with the H4 type tungsten halogen lamp for the headlight illumination of the vehicle, but it can form a good low beam shape. The metal halide lamps are single lamps, which can only provide a light shape, which is inconvenient to use. In order to change this situation, two arc tubes have been simply enclosed in a single tube (such as Chinese patent ZL200320120729. X), which is intended to form two different positions of light source to form high beam and low beam, respectively. The discharge arc position of the tube is far from the relative position of the original H4 tungsten halogen lamp, and there is no hood. Therefore, it is impossible to provide two approximate standard far and low beam illuminations respectively. Others have designed mechanical transmission machines to make the lamp head or hood expand and contract to achieve near-to-near light switching. However, the polymer material used in this device structure is difficult to achieve high temperature resistance, high pressure resistance of 230,000 volts without failure, and often fails. unsuccessful. In the same application, the patent 200520058424. X proposes another way of using a far-near-light combination lamp for a dual-xenon metal halide lamp to solve this problem, but the structure is complicated, and the high-beam shape is not ideal. Summary of the invention

 The object of the utility model is to provide a new double arc tube integrated xenon metal halide lamp tube which has both high beam and low beam illumination functions and is more standard in far and near light shape.

 In order to achieve the above objectives, the present invention is achieved by the following technical solutions:

 The utility model comprises a quartz outer casing with an outer diameter of Φ 11 Φ 15 mm which is transparent to visible light and visible light. The quartz outer casing 6 is filled with a high purity nitrogen gas or an inert gas at a pressure of 20,000 to 40000 Pa. Quartz housing 6 with two helium

Confirmation Metal halide lamps 1, 2, are used as low-beam metal halide lamps and high-beam metal halide lamps. The Xenon metal halide lamps 1 and 2 can be combined into a single spot by stainless steel or nickel clips. The lead wires of the two metal halide lamps can be welded to the clips 3 to form a common pass of the two metal halide lamps. An electrode, which is led out of the lamp cap through a quartz lead terminal 5 with a lead molybdenum wire and a sealed molybdenum sheet. The hood 4 may be made of metal, such as molybdenum or may be made of metal, or may be made of metal, or may be made of metal, such as molybdenum or Made of stainless steel. The assembled wick with the bi-xenon metal halide lamp, the quartz lead terminal and the low beam hood is placed in the quartz casing 6, and the Xenon metal halide lamp 1 with the hood is placed on the upper part of the quartz casing 6; The cover xenon metal halide lamp 2 is mounted on the outer side of the central axis of the quartz outer casing 6, and the axis of the xenon metal halide lamp 2 arc tube is parallel to the central axis of the quartz casing and the distance is 1 to 3 匪, and the arc of the xenon metal halide lamp 1, 2 The light center distance is greater than or equal to 8 mm. Then, it is sealed, vacuumed, and filled with nitrogen to form an integrated double arc tube xenon metal halide lamp.

 The utility model is provided with a hood 4 on one side of a xenon metal halide lamp 1 to form an ideal standard low-beam illumination light shape, and another xenon metal halide lamp 2 is closely attached to one end of the low beam xenon metal halide lamp 1 The axial distance of the discharge arc of the two arc tubes and the upper and lower positions are closer to the relative positions of the two filaments of the existing H4 tungsten halogen lamp, so that the high beam illumination of the high beam is also close to the standard light shape, realizing a far and near Light combined into a car headlight.

 The metal halide lamp used in the integrated double helium metal halide lamp of the utility model is prior art, and the power is 35W, 25W or

45W.

 The utility model successfully solves the problem of realizing the integration of far and near light in the same vehicle lamp, and combines two integrated Xenon metal halide lamps to perform high beam illumination and low beam illumination respectively, and fully utilizes the metal halide light point. Small, light and long-life, it can provide low-range, wide-range, high-illumination, long-life, light-type standard low-beam illumination and high-beam illumination, which can better improve lighting effects, improve driving safety, and structure. Simple and easy to use. DRAWINGS

1 is a schematic structural view of a double arc tube integrated xenon metal halide lamp tube for a vehicle with a lamp cap; FIG. 2 is a schematic structural view of a xenon metal halide lamp 1 and 2 according to an embodiment of the present invention;

3 is a schematic structural view of a stainless steel clip 3 for combination of a low beam and a high beam according to an embodiment of the present invention;

4 is a schematic structural view of a hood 4 for a low beam xenon metal halide lamp according to an embodiment of the present invention;

Figure 5 is a schematic view showing the structure of a quartz lead terminal 5 according to an embodiment of the present invention;

1, Xenon metal halide lamp, 2, Xenon metal halide lamp, 3, stainless steel clip, 4, hood, 5, quartz lead Child, 6, quartz case. detailed description

 The present invention will be further described with reference to the accompanying drawings and embodiments. Referring to Figure 1, this embodiment uses two Xenon metal halide lamps 1 and 2 of the structure of Figure 2, each having a power of 35 W, using the structure of Figure 3 The stainless steel clip 3 is assembled by integrating two xenon metal halide lamps as shown in FIG. 1 , and the molybdenum hood 4 of the structure of FIG. 4 is welded on the stainless steel clip 3 on the side of the xenon metal halide lamp 1 . 5毫米。 The gap between the cover of the outer wall of The quartz lead terminal 5 of the structure of Fig. 5 is soldered to the stainless steel clip 3, and the quartz lead terminal 5 is led out of the lamp cap. The assembled wick is placed in a processed quartz housing 6 of Φ 12 mm ultraviolet-visible light, and a xenon metal halide lamp 1 having a hood is placed at an upper portion of the outer casing 6, and the lamp arc tube The axis of the cylinder coincides with the central axis of the quartz casing 6, and the xenon-free metal halide lamp 2 without the hood is installed outside the axis of the quartz casing. The axis of the lamp arc tube is parallel to the central axis of the quartz casing 6 and the distance is 2 mm. The Xenon metal halide lamp The arc center distance of 1, 2 is 10 匪. After being sealed, vacuumed, and filled with 30,000 Pa of high-purity nitrogen, it is made into a double arc tube integrated Xenon metal halide lamp.

Claims

Rights request A xenon metal halide lamp integrated with a double arc tube for a vehicle, having an outer bulb (6), the outer casing (6) filled with high purity nitrogen or inert gas, and two outer casings (6) Xenon metal halide lamp (1), (2), one end of the Xenon metal halide lamp (1), (2) is electrically connected to the outside of the lamp cap, and is characterized in that: the Xenon metal halide lamp (1) The upper part of the outer bulb (6) is placed as a low beam, and a hood (4) is mounted between the side of the arc tube and the inner wall of the outer bulb (6); as a high beam Xenon metal halide lamp (2) mounted on quartz outer bulb (6) Outside the central axis, Xenon metal halide lamp (2) The axis of the arc tube is parallel to the central axis of the quartz outer bulb (6) and the distance is l~3mm. The arc tube of the Xenon metal halide lamp (1), (2) The light center distance is greater than or equal to 8 mm. The dual arc tube integrated xenon metal halide lamp for a vehicle according to claim 1, wherein: the hood (4) The gap from the inner wall of the quartz casing (6) is 0.5~1瞧. The dual arc tube integrated xenon metal halide lamp for a vehicle according to claim 1 or 2, wherein the hood (4) is made of metal. The dual arc tube integrated Xenon metal halide lamp for a vehicle according to claim 1, wherein: the Xenon metal halide lamp (1), (2) is clamped together by a clip (3). Positioning, and one end of each of the two bulbs is soldered to the clip (3) to become a common through electrode, and the common through electrode lead is led to the base through a dedicated quartz lead terminal (5) with a sealed molybdenum sheet. outer.