WO2022267629A1

WO2022267629A1 - Ultraviolet lamp tube

Info

Publication number: WO2022267629A1
Application number: PCT/CN2022/086112
Authority: WO
Inventors: 李佳伟
Original assignee: 朗升光电科技(广东)有限公司
Priority date: 2021-06-22
Filing date: 2022-04-11
Publication date: 2022-12-29
Also published as: CN113327839A

Abstract

Specifically disclosed in the present invention is an ultraviolet lamp tube. The ultraviolet lamp tube comprises an outer tube and an inner tube, wherein the inner tube is arranged inside the outer tube; an outer electrode is arranged on a tube wall of the outer tube; an inner electrode is arranged inside the inner tube; and an outer wall of the outer tube is respectively coated with a coating film A and a coating film B. In the present invention, filtering is performed by means of film coating, such that the oneness of light emitted from a light source can be ensured; the ultraviolet light output power can also be enhanced by means of film coating, thereby improving the photoelectric conversion efficiency; and a light emission angle of the ultraviolet lamp tube can also be effectively increased by means of setting the ratio of the area of a coating film A to the area of a coating film B, thereby effectively improving the light effect of the ultraviolet lamp tube.

Description

an ultraviolet lamp

technical field

The invention relates to the technical field of ultraviolet lamps, in particular to an ultraviolet lamp tube.

Background technique

The wavelength of ultraviolet light is divided into long wave, medium wave and short wave. Among them, short wave can be used for disinfection and sterilization, while medium wave will cause certain harm to the human body. The existing ultraviolet lamps designed to output strong short wave are often accompanied by medium wave. As a result, the ultraviolet lamp uses a filter to filter the wavelength band harmful to the human body, but this structure still has the defects of small light angle and multiple light sources, which further reduces the light efficiency of the entire ultraviolet lamp. Therefore, we propose an ultraviolet lamp to solve the above-mentioned problems.

Contents of the invention

Aiming at the defects of the existing ultraviolet lamps in the above-mentioned background technology, such as small luminous angle, multiple light sources, and poor light efficiency, the present invention provides an ultraviolet lamp to overcome the defects.

An ultraviolet lamp tube, comprising an outer tube and an inner tube; the inner tube is arranged inside the outer tube; an outer electrode is arranged on the tube wall of the outer tube; an inner electrode is arranged in the inner tube; The outer walls of the outer tube are coated with coating A and coating B respectively.

As a preferred solution, the coating A and the coating B can transmit different wavelengths.

As a preferred solution, the coating A can pass through an available single waveband.

As a preferred solution, the coating B can transmit other wavelengths that the coating A cannot transmit, and at the same time reflect a single waveband that can pass through the coating A to the coating A and transmit it.

As a preferred solution, both the coating A and the coating B are filter coatings.

As a preferred solution, the coating A is a filter coating, which can selectively transmit the required wave band; the coating B is the coating A that can reflect the required wave band back into the outer tube.

Beneficial effects: the present invention adopts the method of coating for filtering, which can ensure the uniformity of light output from the light source. Secondly, the output power of ultraviolet light can be enhanced through the method of coating, and the photoelectric conversion efficiency can be improved. At the same time, the area of coating A and coating B can be set Recently, the luminous angle of the ultraviolet lamp can be effectively increased; the light efficiency of the ultraviolet lamp can be effectively improved by adopting this scheme; specifically, the coating A can pass through the available single waveband, such as 207nm, 222nm, 250nm, 308nm, etc. Single band, while coating B can transmit the clutter that coating A cannot pass through, and absorb it by the box body, thereby effectively reducing the harm to the human body.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

In the figure: 1-outer tube; 2-inner tube; 3-inner electrode; 4-outer electrode; 11-coating B; 12-coating A.

detailed description

The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

In the present invention, it should be noted that the orientations or positional relationships indicated by the terms "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention; ", "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or through an intermediary An indirect connection can be an internal connection between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Example 1

As shown in Figures 1-2, the present invention provides an ultraviolet lamp tube, comprising an outer tube 1 and an inner tube 2; the inner tube 2 is arranged inside the outer tube 1; An external electrode 4 is provided; the inner tube 2 is provided with an internal electrode 3; the outer wall of the outer tube 1 is coated with a coating A12 and a coating B11 respectively; the wavelengths that the coating A12 and the coating B11 can transmit are different ; The coating A can pass through the available single waveband; the coating B can transmit other wavelengths that the coating A cannot pass through, and at the same time reflect the single waveband that can pass through the coating A to the transmission of the coating A out; the present invention adopts the method of coating for filtering, which can ensure the uniformity of light output from the light source. Secondly, the output power of ultraviolet light can be enhanced through the method of coating, and the photoelectric conversion efficiency can be improved. At the same time, the area ratio of coating A12 and coating B11 can be set. To effectively increase the luminous angle of the ultraviolet lamp tube; adopting this scheme can effectively improve the light efficiency of the ultraviolet lamp tube; for example, the coating A can pass through the available single wave band, such as 207nm, 222nm, 250nm, 308nm and other single wave bands, while Coating B can transmit other wavelengths that coating A cannot pass through, and absorb them by the box body, thereby effectively reducing the harm to the human body.

Example 2

As shown in Figures 1-2, the present invention provides an ultraviolet lamp tube, comprising an outer tube 1 and an inner tube 2; the inner tube 2 is arranged inside the outer tube 1; An external electrode 4 is provided; an internal electrode 3 is provided in the inner tube 2; the outer wall of the outer tube 1 is coated with a coating A12 and a coating B11 respectively; wherein, the coating A12 is a filter coating, and the coating A can be Select the desired single waveband, such as 207nm, 222nm, 250nm, 308nm and other single wavebands; the coating B11 is a mirror coating that can reflect any waveband back into the outer tube 1, that is, the mirror coating can project onto the coating B11 The single wavelength band is reflected to the coating A12 and passes through the coating A12, thereby enhancing the light effect of the ultraviolet lamp; while the clutter of wavelengths harmful to the human body is projected to the box along the end of the ultraviolet lamp and is emitted from the box. Absorbed, and then effectively reduce the harm to people.

In the description of this specification, descriptions referring to the terms "one embodiment", "certain embodiments", "exemplary embodiments", "example", "specific examples", or "some examples" are meant to be combined with Specific features, structures, materials, or characteristics described in the preceding embodiments or examples are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or fundamentals of the present invention. The present invention can be implemented in other specific forms without any specific features. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims

An ultraviolet lamp tube, characterized in that: it includes an outer tube and an inner tube; the inner tube is arranged inside the outer tube; an outer electrode is arranged on the tube wall of the outer tube; an inner tube is arranged inside the inner tube Electrodes; the outer wall of the outer tube is coated with coating film A and coating film B respectively.
The ultraviolet lamp according to claim 1, characterized in that the wavelengths of the transmissible bands of the coating A and the coating B are different.
The ultraviolet lamp according to claim 2, characterized in that the coating A can pass through an available single wave band.
The ultraviolet lamp according to claim 3, wherein the coating B can transmit other wavelengths that the coating A cannot pass through, and at the same time reflect a single waveband that can pass through the coating A to the Coating A transmits through.
The ultraviolet lamp tube according to claim 1, characterized in that, both the coating A and the coating B are filter coatings.
The ultraviolet lamp according to claim 1, wherein the coating A is a filter coating, which can selectively pass through the required wave band; the coating B is a film that can reflect the required wave band back into the outer tube. Coating A.