CN217051650U

CN217051650U - Ozone generator

Info

Publication number: CN217051650U
Application number: CN202220119357.1U
Authority: CN
Inventors: 孟繁杰; 周璐; 蔡芬芬; 刘景超; 孙勋松; 张亮; 成林全; 王新
Original assignee: Qingdao Minghua Electronic Instrument Co ltd
Current assignee: Qingdao Mingde Environmental Protection Apparatus Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-07-26
Anticipated expiration: 2032-01-18

Abstract

The utility model provides an ozone generator, which comprises a lamp body base and an upper shell, wherein the base comprises a base and a cylinder body arranged above the base, an air inlet hole and a vertical hole are arranged in the base, the lower end of the vertical hole is communicated with the air inlet hole, and the upper end of the vertical hole is communicated with the inner cavity of the cylinder body; the lamp body mounting hole is formed in the top, after the upper shell is mounted on the base, a ring cavity is formed between the wall of the containing cavity and the cylinder body, and inert material coatings are arranged on the inner wall and the outer wall of the containing cavity of the upper shell, the top surface of the base and the inner wall and the outer wall of the cylinder body. The utility model is a split structure, the structure design ensures that each position is easy to realize spraying production; in addition, an annular cavity is formed between the upper shell accommodating cavity wall and the base cylinder body, so that gas in the inner cavity can react more fully. The utility model discloses it is miniature, light and handy, compact, gaseous reaction efficiency is high, but wide application in small-size portable equipment.

Description

Ozone generator

Technical Field

The utility model relates to an ozone generator.

Background

The instability of ozone gas makes it difficult to store the ozone gas in bottles, generally, the ozone gas can be produced on site only by using an ozone generator and can be used at any time, so that the ozone generator is required to be used in any place where ozone can be used, and the ozone gas generated by the ozone generator can be directly used.

There are three main divisions by ozone generation: the ultraviolet irradiation type, the high-voltage discharge type and the electrolysis type are adopted. The high-voltage discharge type is required to be provided with a water cooling system or an air cooling system due to high power consumption, and is difficult to avoid large volume. The electrolytic generator generates ozone by electrolyzing purified water, and the generator can produce high-concentration ozone water, but has the defects that the ozone is not easy to collect, and the like, and is difficult to realize a real micro-structure. A traditional ultraviolet irradiation type ozone generator, as disclosed in chinese patent CN108101000A, mainly comprises a left shell, a right shell and an ultraviolet lamp tube. In the technical scheme and the existing ultraviolet ozone generator, the problems of large structure volume, inconvenient maintenance, low ozone generation efficiency and the like generally exist.

The utility model discloses a utility model patent of publication No. CN207046868 discloses a small-size ozone generator for laboratory, by the ozone generator main part, the hot plate, the oxygen inlet pipe way, the conversion room, ozone goes out the gas piping, the ultraviolet lamp, a weighing sensor and a temperature sensor, photoelectric sensing ware, elbow constitutes, at the inside conversion room that sets up of ozone generator main part, the conversion room is connected with oxygen inlet pipe way and ozone and goes out the gas piping, the outer port of oxygen inlet pipe way is equipped with the elbow that connects external oxygen gas circuit, the outer port of ozone outlet pipe way is equipped with the elbow that connects external ozone gas circuit, insert the ultraviolet lamp in conversion room one side, conversion room top is equipped with photoelectric sensing ware and temperature sensor, the below is equipped with the hot plate, adopt the fixed cover of lamp and the cooperation of lamp cassette to realize that the installation of ultraviolet lamp is fixed. This structure has the following drawbacks: the gas circuit structure is the elongated hole mostly, has two processing auxiliary holes (also called fabrication hole), and the follow-up needs in these two holes are stopped up completely, has the gas leakage hidden danger. In addition, according to the requirement of a 5.1 sampling pipeline in the environmental protection standard HJ590-2010 ultraviolet photometry for measuring ozone in environmental air in China: the output pipeline is made of inert materials which do not react with ozone, such as silicon boron glass, polytetrafluoroethylene and the like. According to the requirements of 7.2 multiple branch pipes in the technical standard of step-by-step calibration of ozone transfer standard of environmental air: the multi-branch pipe is made of inert materials which do not react with ozone, such as borosilicate glass, polytetrafluoroethylene and the like.

It can be known from the above standard specification that it is important to select an inert material that does not react with ozone, and in the gas circuit system for ozone production, selecting a suitable material is a basic requirement for avoiding ozone reaction loss, and if Polytetrafluoroethylene (PTFE) is selected as the shell material, the material has poor heat conductivity (ozone generation requires about 50-60 ℃), so the industry generally selects metal as the shell material, and at the same time, the shell surface needs to be sprayed with PTFE as the reaction chamber. The main structure of the ozone generator has a plurality of slender small holes, so that the spraying production of the polytetrafluoroethylene on the inner wall of the hole is difficult to realize; in addition, the slender small holes of the structure cause difficulty in processing, two processing auxiliary holes exist in the structure, the two holes need to be completely blocked subsequently, and the hidden danger of air leakage exists.

SUMMERY OF THE UTILITY MODEL

In order to solve the above defects existing in the prior ozone generator, the utility model provides a novel ozone generator, which adopts the following technical scheme: the LED lamp comprises a lamp body, a base and an upper shell, wherein the base comprises a base and a barrel arranged above the base, an air inlet hole and a vertical hole are formed in the base, the lower end of the vertical hole is communicated with the air inlet hole, and the upper end of the vertical hole is communicated with the inner cavity of the barrel; the lamp body mounting structure is characterized in that a containing cavity is formed in the upper shell, an air outlet hole is formed in the side wall of the upper shell, a lamp body mounting hole is formed in the top of the upper shell, and an annular cavity is formed between the containing cavity wall and the barrel after the upper shell is mounted on the base.

Further, barrel and epitheca all are cylindrically, it is a cylindrical hole to hold the chamber.

Further, the diameter of the inner cavity of the cylinder body is 7 times of the diameter of the vertical hole.

Furthermore, the side wall of the upper shell is provided with a section, and a heater is arranged on the section.

Furthermore, screw holes are formed in the bottom walls of the base and the upper shell, the base and the upper shell are fixed through screws, and heat-conducting silicone grease is coated on the bottom wall of the upper shell.

Furthermore, the upper part of the lamp body mounting hole is provided with a circular step counter bore, a sealing ring is arranged in the counter bore, the upper end of the lamp body is provided with a cover plate, and the cover plate is pressed on the sealing ring and is fixed on the periphery of the upper shell lamp body mounting hole through a screw.

Furthermore, a temperature detector is arranged at the top of the upper shell.

Furthermore, an air inlet joint is fixed at the air inlet, and an air outlet joint is fixed at the air outlet.

Furthermore, the air inlet is arranged on the side wall of the base.

Compared with the prior art, the utility model discloses an advantage and positive effect as follows: the utility model is of a split structure, and the structure design ensures that each position is easy to realize spraying production; in addition, an annular cavity is formed between the upper shell accommodating cavity wall and the base cylinder, and when gas is turned to the upper shell by the base, the gas flows from bottom to top, and the gas flows downwards from top to bottom when reaching the top of the cavity due to the gas outlet position below, so that the gas returns to flow, and the gas in the inner cavity is more fully reacted.

The utility model discloses it is miniature, light and handy, compact, gaseous reaction efficiency is high, but wide application in small-size portable equipment.

Drawings

FIG. 1 is a diagram of the explosion structure of the ozone generator of the present invention;

FIG. 2 is a schematic view of the structure of the ozone generator of the present invention;

FIG. 3 is a sectional view of the interior of the ozone generator structure of the present invention;

FIG. 4 is a longitudinal sectional view of the ozone generator of the present invention;

fig. 5 is a longitudinal sectional view of the ozone generator of the present invention;

as in the above figures, 1, cover plate screw; 2. a cover plate; 3. an ultraviolet lamp body; 4. a temperature detector; 5. a sealing ring, 6 and a temperature detector screw; 7. an air outlet joint; 8. an upper shell; 8-1, lamp body mounting holes; 9. a base seal ring; 10. a base; 10-1, a base; 10-2, a cylinder body; 10-1-1, air inlet; 10-1-2, vertical holes; 11. a base screw; 12. a heater; 13. a heater screw; 14. an air inlet joint.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the ozone generator of the present embodiment includes a lamp body, a base 10 and an upper case 8.

The base 10 comprises a base 10-1 and a cylinder 10-2 arranged above the base 10-1, an air inlet 10-1-1 and a vertical hole 10-1-2 are arranged in the base 10-1, the lower end of the vertical hole 10-1-2 is communicated with the air inlet 10-1-1, and the upper end is communicated with the inner cavity of the cylinder 10-2; the ultraviolet lamp body 3 is installed on the upper shell 8, specifically, a containing cavity is formed in the upper shell 8, an air outlet is formed in the side wall of the upper shell, a lamp body installing hole 8-1 is formed in the top of the upper shell, a circular step counter bore is formed in the upper portion of the lamp body installing hole 8-1, a sealing ring 5 is installed in the counter bore, a cover plate 2 is arranged at the upper end of the lamp body, the cover plate 2 presses on the sealing ring 5, and the cover plate is fixed to the periphery of the lamp body installing hole 8-1 of the upper shell 8 through screws. When the upper shell 8 is mounted on the base 10, an annular cavity is formed between the containing cavity wall and the cylinder 10-2, and the containing cavity of the upper shell 8, the top surface of the base 10-1 and the inner and outer walls (related to the part of the cavity through which gas passes) of the cylinder 10-2 are all provided with inert material coatings.

The sealing structure of the embodiment can realize the air tightness of the structure only by one cover plate 2, one O-shaped sealing ring 5 and two screws. 8 top holes on epitheca are circular step counter bores, the lamp body is from the assembly of casing top, can realize lamp body axial positioning, 5 mounting holes of sealing washer are left to the casing outer end, 5 covers on the lamp body in the sealing washer, 2 from the upper end compress tightly sealing washer 5 when lapping, thereby 5 radial extensions of sealing washer realize sealedly, apron 2 passes through the screw fixation on epitheca 8, the gas tightness has been guaranteed, when the lamp body is torn open and is traded, only need loosen two screws and can change, here structure both realizes sealed assurance gas tightness, and convenient the dismantlement again, required spare part is with low costs simultaneously.

In view of the convenience of processing, the cylinder 10-2 and the upper shell 8 are cylindrical, and correspondingly, the accommodating cavity is a cylindrical hole. In order to facilitate installation, screw holes are formed in the bottom walls of the base 10-1 and the upper shell 8, the base 10-1 and the upper shell 8 are fixed through screws, in order to prevent air leakage, the base 10 and the upper shell 8 are sealed through a base sealing ring 9, a sealing ring 5 is assembled between the upper shell 8 and the base 10 and is connected and fixed through screws, when the screws are not fastened, the base sealing ring 9 is not compressed and has no sealing effect, when the screws are fastened, the base sealing ring 9 is compressed under axial (vertical) pressure, and the base sealing ring 9 extends in a radial (transverse) direction, so that the sealing effect is realized, and the air tightness between the upper shell 8 and the base 10 is ensured. In addition, the bottom wall of the upper shell 8 is coated with heat-conducting silicone grease which is beneficial to heat conduction.

In the embodiment, the air inlet 10-1-1 is formed in the side wall of the base 10-1, the air inlet connector 14 is installed at the air inlet 10-1-1, and the air outlet connector 7 is installed at the air outlet. The side wall of the upper shell 8 is provided with a section, a heater 12 is arranged on the section, and a temperature detector is arranged at the top of the upper shell 8.

The working state is as shown in fig. 3, the gas path flows as follows: the gas enters the inner cavity of the cylinder 10-2 through the gas inlet joint 14, the gas entering the inner cavity of the cylinder 10-2 is completely irradiated by the ultraviolet lamp body 3, the ultraviolet lamp body 3 in the cavity irradiates oxygen molecules by using ultraviolet rays with specific wavelength (185mm), the oxygen molecules are decomposed to generate ozone, the ozone flows to a gas outlet through an annular cavity between the upper shell 8 and the base 10 after being generated, the gas reaction time is prolonged, and the gas reaction is more sufficient.

Gas flow from the vertical holes 10-1-2 in the susceptor 10-1 into the reaction chamber as shown in FIG. 3, the diameter of the vertical holes 10-1-2 is represented by D1, the diameter of the inner wall of the cylindrical body 10-2 is represented by D2, and the reaction chamber in the cylindrical body 10-2 can be represented as a large hole, where analysis is performed according to the law of conservation of energy, and the Bernoulli principle is represented as:

this equation is called bernoulli equation, where P is the pressure at a certain point in the fluid, v is the flow velocity at the point, ρ is the fluid density, g is the gravitational acceleration, and h is the height at the point, and can also be expressed as:

in the above formula, each represents one point of the vertical hole 10-1-2 and the large hole, according to the continuity principle formula:

S ₁ V ₁ ＝S ₂ V ₂

wherein S represents the cross section area, the diameter D1< D2, so the speed V1> V2, the conclusion of Bernoulli equation is combined in water flow or air flow, the speed is low, the pressure is high, if the speed is high, the pressure is low, so the small hole pressure is low, the pressure of the reaction chamber is high, the gas enters the reaction chamber from the small hole (vertical hole 10-1-2) to flow in a scattering way, the central line of the small hole is collinear with the center of the large hole (the gas enters the reaction chamber from the small hole at the bottom), the diameter of the inner cavity of the cylinder 10-2 is about 7 times of the diameter of the small hole in the embodiment, the gas can be ensured to be fully diffused, and uniformly surround the lamp body, and the irradiation reaction with the lamp body is more sufficient.

During the operating condition, the heater 12 heats the upper shell 8 to the specified temperature, the shell temperature can be obtained in real time through the temperature detector 4, the heater 12 and the temperature detector 4 realize the constant temperature control of the upper shell 8, and the ozone generation efficiency is facilitated under the constant temperature condition.

The ozone generator adopts an upper split type structure and a lower split type structure, the shell is of an approximately circular structure, the base 10 is of a circular structure, and the processing and the manufacturing can be realized by using a lathe for the circular structure. In addition, the base 10 and the upper shell 8 are made of aluminum alloy, so that the heat-conducting ceramic has the characteristics of low density, good mechanical property, good processability, good heat conductivity, excellent corrosion resistance and the like. Compared with the stainless steel material, the cost of the stainless steel raw material is about 1.5 times of that of the aluminum alloy, and considering that the hardness of the stainless steel is higher, the processing cost of the stainless steel is 2-3 times of that of the aluminum alloy according to the difficulty degree of the structure. Upper and lower split type structure makes the utility model discloses an aspect can adopt low-cost material, and on the other hand, convenient inert materials such as fluorine polytetrafluoroethylene scribble in inside.

The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An ozone generator is characterized by comprising a lamp body, a base and an upper shell, wherein the base comprises a base and a cylinder body arranged above the base; the lamp body mounting structure is characterized in that an accommodating cavity is formed in the upper shell, an air outlet hole is formed in the side wall of the upper shell, a lamp body mounting hole is formed in the top of the upper shell, and an annular cavity is formed between the inner side wall of the upper shell and the outer side wall of the barrel body after the upper shell is mounted on the base.

2. The ozone generator as claimed in claim 1, wherein the cylinder and the upper housing are cylindrical and the receiving chamber is a cylindrical bore.

3. The ozone generator of claim 2, wherein the diameter of the cylinder bore is 7 times the diameter of the vertical bore.

4. The ozone generator as claimed in claim 2, wherein the side wall of the upper housing has a cut surface on which the heater is mounted.

5. The ozone generator as claimed in claim 2, wherein the base and the bottom wall of the upper casing are provided with screw holes, the base and the upper casing are fixed by screws, and the bottom wall of the upper casing is covered with heat-conducting silicone grease.

6. The ozone generator as claimed in claim 2, wherein the lamp body mounting hole has a circular step counter bore at the upper part, a sealing ring is arranged in the counter bore, a cover plate is arranged at the upper end of the lamp body, and the cover plate is pressed on the sealing ring and fixed at the periphery of the lamp body mounting hole of the upper shell through a screw.

7. The ozone generator as claimed in claim 2, wherein a thermometer is mounted on the top of the upper housing.

8. The ozone generator as claimed in claim 2, wherein the air inlet joint is fixed at the air inlet, and the air outlet joint is fixed at the air outlet.

9. The ozone generator as claimed in claim 2, wherein the air inlet holes open on the side wall of the base.

10. The ozone generator of claim 2, further comprising a base seal ring, wherein the upper housing and the base are sealed by the base seal ring.