CN215731581U

CN215731581U - Ultraviolet lamp tube

Info

Publication number: CN215731581U
Application number: CN202121383097.0U
Authority: CN
Inventors: 李佳伟
Original assignee: Langsheng Photoelectric Technology Guangdong Co ltd
Current assignee: Langsheng Photoelectric Technology Guangdong Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-02-01
Anticipated expiration: 2031-06-22

Abstract

The utility model particularly discloses an ultraviolet lamp tube, which comprises an outer tube and an inner tube; the inner pipe is arranged inside the outer pipe; an outer electrode is arranged on the pipe wall of the outer pipe; an inner electrode is arranged in the inner tube; the outer wall of the outer tube is coated with a coating film A and a coating film B respectively. The utility model adopts the film coating mode for filtering, can ensure the light emitting unicity of the light source, can enhance the output power of ultraviolet light through the film coating mode, improves the photoelectric conversion efficiency, and can effectively increase the light emitting angle of the ultraviolet lamp tube through setting the area ratio of the film coating A and the film coating B, thereby effectively improving the light efficiency of the ultraviolet lamp tube.

Description

Ultraviolet lamp tube

Technical Field

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

Background

The ultraviolet light wavelength has the components of long wavelength, medium wavelength and short wavelength, wherein the short wavelength can be used for disinfection and sterilization, the medium wavelength can generate certain harm to a human body, the ultraviolet lamp tube designed into the strong output of the short wavelength in the prior art is usually accompanied with the generation of the medium wavelength, the ultraviolet lamp tube filters the wavelength band with harmful wavelength to the human body by using an optical filter, but the structure still has the defects of small light-emitting angle and non-single light source, and further the light efficiency of the whole ultraviolet lamp is reduced. To this end, we propose an ultraviolet lamp tube to solve the above existing problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of small light-emitting angle, non-single light source and poor light effect of the existing ultraviolet lamp in the background technology, the utility model provides an ultraviolet lamp tube for overcoming the defects.

An ultraviolet lamp tube comprises an outer tube and an inner tube; the inner pipe is arranged inside the outer pipe; an outer electrode is arranged on the pipe wall of the outer pipe; an inner electrode is arranged in the inner tube; the outer wall of the outer tube is coated with a coating film A and a coating film B respectively.

Preferably, the wavelength of the wavelength band which is transmitted by the plating film a and the wavelength of the wavelength band which is transmitted by the plating film B are different.

Preferably, the coating a is transparent to an available single wavelength band.

Preferably, the coating film B can transmit other wavelengths that the coating film a cannot transmit, and reflect a single wavelength band that can transmit the coating film a to transmit.

Preferably, the coating film a and the coating film B are both light filtering coating films.

As a preferred scheme, the coating film A is a light filtering coating film, and a required wavelength band can be selected to be transmitted; the coating film B is the coating film A which can reflect the required wave band back to the outer tube.

Has the advantages that: the utility model adopts the film coating mode for filtering, can ensure the light-emitting unicity of the light source, can enhance the output power of ultraviolet light through the film coating mode, improve the photoelectric conversion efficiency, and can effectively increase the light-emitting angle of the ultraviolet lamp tube by setting the area ratio of the film coating A and the film coating B; by adopting the scheme, the lighting effect of the ultraviolet lamp tube can be effectively improved; specifically, the coating film A can penetrate through available single wave bands, such as single wave bands of 207nm, 222nm, 250nm, 308nm and the like, and the coating film B can transmit noise waves which cannot penetrate through the coating film A and be absorbed by the box body, so that harm to a human body is effectively reduced.

Drawings

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

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

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

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-2, the present invention provides an ultraviolet lamp tube, which includes an outer tube 1 and an inner tube 2; the inner pipe 2 is arranged inside the outer pipe 1; an outer electrode 4 is arranged on the tube wall of the outer tube 1; an inner electrode 3 is arranged in the inner tube 2; the outer wall of the outer tube 1 is coated with a coating film A12 and a coating film B11 respectively; the wavelengths of the wave bands which can be transmitted by the coating film A12 and the coating film B11 are different; the coating film A can penetrate through an available single wave band; the coating film B can transmit other wavelengths which cannot be penetrated by the coating film A, and simultaneously reflect a single waveband which can penetrate through the coating film A to transmit the single waveband; the utility model adopts the film coating mode for filtering, can ensure the light-emitting unicity of a light source, can enhance the output power of ultraviolet light through the film coating mode, improves the photoelectric conversion efficiency, and can effectively increase the light-emitting angle of the ultraviolet lamp tube by setting the area ratio of the film coating A12 to the film coating B11; by adopting the scheme, the lighting effect of the ultraviolet lamp tube can be effectively improved; if the coating film A can transmit available single wave bands, such as 207nm, 222nm, 250nm, 308nm and other single wave bands, the coating film B can transmit other wave bands which cannot be transmitted by the coating film A and can be absorbed by the box body, and then harm to human bodies is effectively reduced.

Example 2

As shown in fig. 1-2, the present invention provides an ultraviolet lamp tube, which includes an outer tube 1 and an inner tube 2; the inner pipe 2 is arranged inside the outer pipe 1; an outer electrode 4 is arranged on the tube wall of the outer tube 1; an inner electrode 3 is arranged in the inner tube 2; the outer wall of the outer tube 1 is coated with a coating film A12 and a coating film B11 respectively; the coating A12 is a light filtering coating, and the coating A can selectively transmit a required single waveband, such as 207nm, 222nm, 250nm, 308nm and other single wavebands; the coating film B11 is a mirror coating film which can reflect any wave band back to the outer tube 1, namely the mirror coating film can reflect the single wave band projected to the coating film B11 to the coating film A12 and penetrate through the coating film A12, thereby enhancing the light effect of the ultraviolet lamp tube; and the clutter with wavelength harmful to human body is projected to the box body along the end part of the ultraviolet lamp tube and absorbed by the box body, thereby effectively reducing the harm to human body.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An ultraviolet lamp tube, characterized in that: comprises an outer pipe and an inner pipe; the inner pipe is arranged inside the outer pipe; an outer electrode is arranged on the pipe wall of the outer pipe; an inner electrode is arranged in the inner tube; the outer wall of the outer tube is coated with a coating film A and a coating film B respectively.

2. An ultraviolet lamp as claimed in claim 1, wherein said coating a and said coating B are different in wavelength of a transmission band.

3. An ultraviolet lamp as claimed in claim 2, wherein said coating a is transparent to a single wavelength band available.

4. An ultraviolet lamp as claimed in claim 3, wherein said coating B is capable of transmitting other wavelengths which said coating A is not capable of transmitting, while reflecting a single wavelength band which is capable of transmitting said coating A to said coating A for transmission.

5. An ultraviolet lamp as claimed in claim 1, wherein said coating a and said coating B are both light-filtering coatings.

6. An ultraviolet lamp tube as claimed in claim 1, wherein said coating a is a light-filtering coating, and is selectively transparent to a desired wavelength band; the coating film B is the coating film A which can reflect the required wave band back to the outer tube.