CN218573287U

CN218573287U - Ozone preventing device for ultraviolet light source

Info

Publication number: CN218573287U
Application number: CN202222047266.4U
Authority: CN
Inventors: 刘欢; 王诗义; 李阵
Original assignee: Beijing Perfectlight Science And Technology Ltd
Current assignee: Beijing Perfectlight Science And Technology Ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-03-07
Anticipated expiration: 2032-08-04

Abstract

The utility model relates to an ultraviolet source is with deodorant oxygen device, belong to photochemical reaction technical field, this ultraviolet source is with deodorant oxygen device includes the light source lamp, a section of thick bamboo and light filter of preventing light, the light-emitting end of the light-inlet end butt joint light source lamp of a section of thick bamboo of preventing light, the light filter sets up the light-emitting end at a section of thick bamboo of preventing light, the light filter, the light-emitting end of a section of thick bamboo and light source lamp encloses and establishes the cavity that forms and be used for decomposing ozone, adopt this structure, the heat energy that the light source lamp produced during use can make the inside temperature of cavity keep at 70 to 80 degrees centigrade, be favorable to the ozone that generates in the cavity to decompose with higher speed, the light filter can filter the ultraviolet ray of the low wave band in the light, can not produce ozone after guaranteeing that the air outside the cavity is shone by compound light, thereby can avoid producing ozone and in time handle and decompose a small amount of ozone that inside produced, experimenter's health and equipment safety have been protected, high durability and convenient installation, low cost, be applicable to laboratory conditions.

Description

Ozone preventing device for ultraviolet light source

Technical Field

The utility model belongs to the technical field of the photochemical reaction, in particular to ultraviolet source is with deodorant oxygen device.

Background

The xenon lamp is usually used for replacing sunlight in the photocatalysis test process, an ultraviolet wavelength part below 320nm is needed in some test processes, ozone is easily generated after the air is irradiated by ultraviolet rays near 185nm wavelength, the test environment is relatively closed, the generated samples are not easy to discharge, the condition of ozone accumulation exists, the half-life period of the ozone at the normal temperature (30 ℃) reaches 62min, if the ozone is not decomposed or discharged outdoors in time, the health of experimenters and the safety of equipment can be influenced, and the conditions of headache, dry throat, damaged respiratory mucosa and the like can appear to people.

Currently, the ozone treatment methods mainly comprise: 1) A dilution method of diluting the ozone concentration to a safe concentration by a large amount of gas; 2) A washing method of washing ozone in a gas by a reducing agent to reduce the concentration; 3) Thermal decomposition method, ozone can be decomposed at 300 ℃ for 1-2 s, half-life period at 80 ℃ is about 12min, therefore, certain temperature can be used to accelerate the decomposition of ozone; 4) An adsorption method in which ozone is adsorbed by an adsorbing substance such as activated carbon; 5) The catalytic decomposition method decomposes ozone at a predetermined temperature (usually 70 to 80 ℃) using a palladium catalyst. However, the above treatment method has high operation difficulty, high cost and difficult popularization in a test environment, and it is very critical how to fundamentally reduce the generation of ozone in the test process.

Therefore, the ozone preventing device for the ultraviolet light source is convenient to install, low in cost and capable of reducing and decomposing ozone from the source.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ultraviolet source is with ozone proof device for solve prior art's photocatalysis experiment can not reduce ozone generation and decompose the technical problem of ozone.

The utility model discloses a following technical scheme realizes: the utility model provides an ozone device is prevented with deodorant, includes light source lamp, anti-dazzling screen and light filter, the light inlet end butt joint of anti-dazzling screen the light-emitting end of light source lamp, the light filter sets up the light-emitting end of anti-dazzling screen, the light-emitting end of light filter, anti-dazzling screen and light source lamp encloses to establish and forms the cavity that is used for decomposing ozone.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, the light-emitting end that shades a section of thick bamboo is equipped with the counter bore, the counter bore is formed with the step face with the hole that shades a section of thick bamboo, the light filter sets up in the counter bore and the overlap joint be in on the step face.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, the pore wall of counter bore is equipped with the ring channel, the joint has the jump ring in the ring channel.

In order to better realize the utility model, the structure is further optimized, and the inner wall of the shading cylinder is coated with a reaction layer for adsorbing or decomposing ozone.

In order to better realize the utility model, in the above structure, the reaction layer is a catalyst or activated carbon or a mixture of the catalyst and the activated carbon, and the catalyst is a palladium catalyst or a manganese oxide catalyst.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, the light source lamp is the pottery xenon lamp bulb, the light-emitting end of light source lamp is formed with the boss, the cooperation of the light-admitting end of shading section of thick bamboo is cup jointed on the boss.

In order to realize the utility model discloses, do further optimization in above-mentioned structure, still include positive pole radiator and negative pole radiator, positive pole radiator is connected and encircles outside the positive pole of light source lamp (1) with the positive pole of light source lamp, negative pole radiator is connected and encircles outside the negative pole of light source lamp with the negative pole of light source lamp.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, the light source lamp is xenon lamp pipe or integrative ball-type xenon lamp, the light source lamp dustcoat is equipped with the spotlight cup, the light inlet end butt joint of shading section of thick bamboo the light-emitting end of spotlight cup.

In order to achieve the present invention, the above structure is further optimized, and the optical filter is a cut-off filter.

The utility model discloses compare in prior art and have following beneficial effect:

the utility model provides an ultraviolet source is with deodorant oxygen device includes the light source lamp, a shading section of thick bamboo and light filter, the light-emitting end of the light-inlet end butt joint light source lamp of a shading section of thick bamboo, the light filter sets up the light-emitting end at a shading section of thick bamboo, the light filter, the light-emitting end of a shading section of thick bamboo and light source lamp encloses and establishes the cavity that is used for decomposing ozone, adopt this structure, the heat energy that the light source lamp produced during use can make the inside temperature of cavity keep at 70 to 80 degrees centigrade, be favorable to the ozone accelerated decomposition that generates in the cavity, the light filter can filter the ultraviolet ray of the low wave band in the light, can not produce ozone after guaranteeing that the air outside the cavity is irradiated by compound light, thereby can avoid externally producing ozone and in time handle and decompose a small amount of inside generated ozone, experimenter's health and equipment safety have been protected, and convenient for installation, and low cost is applicable to laboratory conditions, make the utility model discloses a practicality is stronger.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an anti-ozone device for an ultraviolet light source of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of the optical filter of the present invention placed directly in front of the light source lamp;

fig. 4 is a schematic structural view of the light source lamp of the present invention being a xenon tube or an integrated spherical xenon lamp.

In the figure:

1-a light source lamp; 11-a boss; 2-shading cylinder; 21-counter bore; 22-step surface; 3-an optical filter; 4-a cavity; 5-a clamp spring; 6-a reaction layer; 7-an anode radiator; 8-a cathode heat sink; 9-light focusing cup.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

Example 1:

in this embodiment, as shown in fig. 1, an ozone preventing device for an ultraviolet light source includes a light source lamp 1, a light shielding cylinder 2 and an optical filter 3, specifically, a light inlet end of the light shielding cylinder 2 is abutted to a light outlet end of the light source lamp 1, a composite light beam emitted from the light source lamp 1 is guided by the light shielding cylinder 2 and emitted to avoid being affected by external light, the optical filter 3 is disposed at the light outlet end of the light shielding cylinder 2, a cavity 4 for decomposing ozone is defined by the optical filter 3, the light shielding cylinder 2 and the light outlet end of the light source lamp 1, the optical filter 3 is used for filtering low-band ultraviolet light in the composite light beam to avoid the low-band ultraviolet light irradiating air outside the cavity 4 to generate ozone, and the optical filter 3 is preferably a cut-off optical filter 3 capable of directionally filtering ultraviolet light in a band below 200 to 220 nm.

Adopt this structure, the heat energy that above-mentioned light source lamp 1 produced during the use can make 4 inside temperatures in above-mentioned cavity keep 70 to 80 degrees centigrade, can generate a small amount of ozone in above-mentioned cavity 4 when compound light passes above-mentioned shading section of thick bamboo 2, the half-life of ozone when 70 ~ 80 degrees centigrade is about 12 minutes, thereby be favorable to ozone accelerated decomposition and can not the excessive away in above-mentioned cavity 4, the ultraviolet ray of low wave band in compound light can be filtered away to above-mentioned light filter 3, ensure that the air outside above-mentioned cavity 4 can not produce ozone after compound light shines, thereby can avoid producing ozone outward and in time handle to decompose a small amount of ozone that inside generated, the health and the equipment safety of experimenter have been protected, simple to operate, and is with low costs, be applicable to laboratory conditions, make the utility model discloses a practicality is stronger.

It should be noted that, as shown in fig. 3, the optical filter 3 may also be directly placed at a distance of 0.1 to 5mm in front of the light emitting end of the light source lamp 1, without using the light shielding tube 2, so as to form an open space between the optical filter 3 and the light emitting end of the light source lamp 1, and the optical filter 3 may still filter out ultraviolet light in the low-band of the composite light, and at the same time may also realize the decomposition effect on ozone in the space.

According to a preferred embodiment, as shown in fig. 2, a counter bore 21 is provided at the light-emitting end of the light-shielding cylinder 2, the counter bore 21 is used for mounting the optical filter 3, the counter bore 21 is communicated with and coaxial with the inner bore of the light-shielding cylinder 2, the inner diameter of the counter bore 21 is larger than the inner diameter of the inner bore of the light-shielding cylinder 2, a step surface 22 is formed in the counter bore 21 and the inner bore of the light-shielding cylinder 2, the optical filter 3 is arranged in the counter bore 21 and is overlapped on the step surface 22, and the step surface 22 is used for limiting the position of the optical filter 3, so that the optical filter 3 is blocked at the light-emitting end of the light-shielding cylinder 2, thereby completely filtering the ultraviolet light of the low-band in the composite light.

In this embodiment, as shown in fig. 1 and 2, an annular groove is formed in the hole wall of the counter bore 21, a snap spring 5 is clamped in the annular groove, an inner wall of the snap spring 5 protrudes out of the hole wall of the counter bore 21, and the optical filter 3 is clamped and fixed by the snap spring 5, so that the optical filter 3 can be prevented from falling out of the counter bore 21.

In this embodiment, as shown in fig. 1, the inner wall of the light shielding cylinder 2 is coated with a reaction layer 6 for adsorbing or decomposing ozone, and the ozone generated in the cavity 4 can be further adsorbed or decomposed by the reaction layer 6, so that the generation and decomposition of the ozone in the cavity 4 are balanced, and the concentration of the ozone in the cavity 4 can be kept at a low level, which is beneficial to the rapid decomposition of the ozone in the cavity 4.

Preferably, the reaction layer 6 is a catalyst or activated carbon or a mixture of the catalyst and the activated carbon, and is coated on the inner wall of the light shielding cylinder 2 by an adhesive, the activated carbon can adsorb ozone in the cavity 4, the catalyst can decompose ozone, the catalyst is preferably a palladium catalyst or a manganese oxide catalyst, and the decomposition efficiency of ozone is greatly improved by matching with the temperature of 70 to 80 ℃ in the cavity 4.

As a specific implementation manner of this embodiment, as shown in fig. 1, the light source lamp 1 is a ceramic xenon lamp bulb, the xenon lamp can emit a composite light having a spectrum close to sunlight and containing ultraviolet rays, the ultraviolet rays in the low and medium wavelength bands of the composite light are filtered by the optical filter 3, so as to meet the requirement of a photocatalytic test on ultraviolet rays, a boss 11 is formed at the light emitting end of the light source lamp 1, and the light inlet end of the light shielding cylinder 2 is fittingly sleeved on the boss 11, so that the light shielding cylinder 2 and the light source lamp 1 are fixedly abutted, it is ensured that all the composite light rays emitted by the light source lamp 1 can enter the cavity 4, and then the ultraviolet rays in the low wavelength bands can be filtered by the optical filter 3, thereby avoiding environmental pollution in a laboratory caused by ozone generated outside the cavity 4.

Further, as shown in fig. 1, the led lighting device further includes an anode heat sink 7 and a cathode heat sink 8, the anode heat sink 7 is connected to the anode of the light source lamp 1 and is disposed around the anode of the light source lamp 1, the cathode heat sink 8 is connected to the cathode of the light source lamp 1 and is disposed around the cathode of the light source lamp 1, the anode heat sink 7 and the cathode heat sink 8 have the same structure and are hoop-connected to the outside of the light source lamp 1 to perform the functions of heat dissipation and cooling, the anode heat sink 7 and the cathode heat sink 8 may be disposed in a ring structure with one end open, and a screw hole is disposed at the open position to pass through a screw to tighten the opening, so that the anode heat sink 7 and the cathode heat sink 8 are fixed to the light source lamp 1, or the anode heat sink 7 and the cathode heat sink 8 are disposed in a ring structure with elasticity, so that the anode heat sink 7 and the cathode heat sink 8 tightly hoop the light source lamp 1 with a core heat sink device of the heat sink by the elasticity, thereby improving the heat dissipation efficiency.

As another specific embodiment of this embodiment, as shown in fig. 4, the light source lamp 1 is a xenon tube or an integral-sphere-type xenon lamp, the light-gathering cup 9 is disposed on the outer cover of the light source lamp 1, the xenon tube or the integral-sphere-type xenon lamp emits light in all directions, the light-gathering cup 9 is a semi-arc-shaped cup, one open end of the semi-arc-shaped cup is a light-emitting end, the light-gathering cup 9 is used for gathering the composite light emitted from the light source lamp 1 and then emitting the composite light from the light-emitting end of the light-gathering cup 9, the light-entering end of the light-shielding cylinder 2 is abutted against the light-emitting end of the light-gathering cup 9 to ensure that all the composite light can completely enter the cavity 4, and further, the filter 3 filters the low-band ultraviolet light therein to prevent the generation of ozone in the cavity 4.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an ultraviolet source is with deodorant oxygen device which characterized in that: the ozone decomposition device comprises a light source lamp (1), a light shading cylinder (2) and an optical filter (3), wherein the light inlet end of the light shading cylinder (2) is in butt joint with the light outlet end of the light source lamp (1), the optical filter (3) is arranged at the light outlet end of the light shading cylinder (2), and the light outlet ends of the optical filter (3), the light shading cylinder (2) and the light source lamp (1) are surrounded to form a cavity (4) for decomposing ozone.

2. The ozone preventing device for the ultraviolet light source according to claim 1, wherein: the light-emitting end of the light-shielding cylinder (2) is provided with a counter bore (21), the counter bore (21) and the inner bore of the light-shielding cylinder (2) are formed with a step surface (22), and the optical filter (3) is arranged in the counter bore (21) and is lapped on the step surface (22).

3. The ozone preventing device for the ultraviolet light source according to claim 2, wherein: the hole wall of the counter bore (21) is provided with an annular groove, and a clamp spring (5) is clamped in the annular groove.

4. The ozone preventing device for the ultraviolet light source according to claim 3, wherein: the inner wall of the shading cylinder (2) is coated with a reaction layer (6) for adsorbing or decomposing ozone.

5. The ozone preventing device for the ultraviolet light source according to claim 4, wherein: the reaction layer (6) is a catalyst or activated carbon or a mixture of the catalyst and the activated carbon, and the catalyst is a palladium catalyst or a manganese oxide catalyst.

6. The ozone preventing device for the ultraviolet light source as claimed in claim 1, wherein: the light source lamp (1) is a ceramic xenon lamp bulb, a boss (11) is formed at the light outlet end of the light source lamp (1), and the light inlet end of the shading cylinder (2) is sleeved on the boss (11) in a matched mode.

7. The ozone preventing device for the ultraviolet light source according to claim 6, wherein: the LED lamp is characterized by further comprising an anode radiator (7) and a cathode radiator (8), wherein the anode radiator (7) is connected with the anode of the light source lamp (1) and is arranged outside the anode of the light source lamp (1) in an encircling mode, and the cathode radiator (8) is connected with the cathode of the light source lamp (1) and is arranged outside the cathode of the light source lamp (1) in an encircling mode.

8. The ozone preventing device for the ultraviolet light source according to claim 1, wherein: the light source lamp (1) is a xenon lamp tube or an integrated spherical xenon lamp, a light-gathering cup (9) is arranged on the outer cover of the light source lamp (1), and the light inlet end of the shading cylinder (2) is in butt joint with the light outlet end of the light-gathering cup (9).

9. The anti-ozone device for an ultraviolet light source according to any one of claims 1 to 8, wherein: the filter (3) is a cut-off filter.