Xenon lamp

Abstract

The invention discloses a xenon lamp, which belongs to the technical field of light source parts. The xenon lamp comprises a lamp body and a lamp holder; the lamp body is fixed with the lamp holder; the lamp body comprises a protective glass tube, a glass core tube, a cathode lead and an anode lead; the glass core tube consists of a discharge tube section, a first core tube section and a second core tube section, wherein the discharge tube section is provided with a discharge cavity and xenon is filled in the discharge cavity; the neighboring part of the first core tube section and the discharge tube section forms a constrictive first neck part; and the neighboring part of the second core tube section and the discharge tube section forms a constrictive second neck part. The xenon lamp is characterized in that: a reflecting film is combined on the outer wall of the first neck part and extended to the core tube shoulder of the first core tube section and the discharge tube section tube shoulder of the discharge tube section. The xenon lamp has the advantages of realizing stable working temperature of a cathode in unidirectional reflection when the lamp body works, ideally increasing the brightness and ensuring that grating is not reduced because of the reflecting film, and reducing the using cost by using a direct-current rectifier.

Description

technical field [0001] The invention belongs to the technical field of light source components, and in particular relates to a xenon lamp. Background technique [0002] The principle of xenon lamp is to fill inert chemical gas in the anti-ultraviolet crystal quartz glass tube. The left and right DC voltage is instantly boosted to tens of thousands of volts, such as 23000V (volts). After high-voltage amplitude, the xenon electrons in the quartz tube are excited to dissociate, and a light source is generated between the two poles. This is what people call gas discharge. The white super-strong arc light produced by xenon gas can increase the color temperature of the light, showing the sun's rays like daytime. In addition, the potential required for xenon lamps to work is only about 3.5A, and the brightness is three times that of traditional halogen bulbs. And the service life is more than 10 times longer than that of traditional halogen bulbs, so it is highly valued by people....

AI Technical Summary

Problems solved by technology

[0004] The xenon lamps involved in the above-mentioned patented technical solutions have a common structural feature, that is, the discharge form must be two-way AC during operation, otherwise serious light loss will occur, so the rectifier can only use an AC rectifier, and the AC rectifier The price of the xenon lamp is usually more, taking the 35W xenon lamp as an example, the current price is about 60 yuan (RMB) or more, which will not only increase the cost of the user, but also waste resources, because the AC rectifier is compared with the DC rectifier. Many parts, troublesome manufacturing, cumbersome assembly

[0005] In fact, all manufacturers, including the automobile industry, who produce or use xenon lamps in large quantities are aware of the shortcomings mentioned by the applicant to varying degrees, only because they have not found a technical solution to make up for the above-mentioned shortcomings. Have the desire to improve but have no countermeasures

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