Purification mechanism of hydrogen peroxide low-temperature plasma sterilizer

Abstract

The utility model discloses a purification mechanism of a hydrogen peroxide low-temperature plasma sterilizer, which comprises a vaporizing chamber, a purification chamber, a purification chamber end cover, a heat conducting copper plate and a radiator, the radiator comprises radiating fins and a radiating fan, the radiating fins are mounted at the lower end of the radiating fan, and the radiating fins are mounted at the lower end of the radiating fan. The cooling fin and the purification chamber end cover are connected together through a connecting assembly, the connecting assembly comprises a mounting shell formed on the side face of the cooling fin, a stud is inserted into the mounting shell, the cooling fin is fixed to the purification chamber end cover through the lower end of the stud, a spring is arranged on the stud, and the spring is connected with the cooling fin through a connecting piece. The spring is arranged between the installation shell and the stud, elastic force generated by deformation of the spring is used for counteracting pressure borne by the radiator under different air pressures, the cooling fan and fastening pieces on the cooling fins are further prevented from loosening, the heat dissipation effect of the radiator is improved, the service life of the radiator is prolonged, and the service life of the radiator is prolonged. The connection stability of the cooling fan and the cooling fins is improved, and the noise during equipment operation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen peroxide purification, in particular to a purification mechanism of a hydrogen peroxide low-temperature plasma sterilizer. Background Art

[0002] In the prior art, in the process of purifying hydrogen peroxide, hydrogen peroxide and water are generally separated by utilizing the different boiling points of hydrogen peroxide and water under a negative pressure environment. At the same time, when purifying hydrogen peroxide, the vaporization of water or hydrogen peroxide will cause the internal air pressure to change, and the operation of the cooling fan will also generate wind pressure. The change in air pressure will affect the pressure exerted on the cooling fan. In this way, the cooling fan may have problems such as loose fasteners after long-term operation, thereby causing noise during the operation of the equipment. Therefore, in order to offset the pressure generated by the cooling fan under the action of air pressure and avoid noise caused by loose fasteners, a purification mechanism of the hydrogen peroxide low-temperature plasma sterilizer is designed. Utility Model Content

[0003] The utility model aims to provide a purification mechanism for a hydrogen peroxide low-temperature plasma sterilizer, by arranging a spring between a mounting shell and a stud, utilizing the deformation of the spring to generate elastic force to offset the pressure exerted on a heat sink and a heat sink fan under different air pressures, further preventing the heat sink fan and the heat sink from loosening, improving the stability of the connection between the heat sink fan and the heat sink, and reducing the noise during the operation of the equipment.

[0004] The utility model provides the following technical scheme: a purification mechanism of a hydrogen peroxide low-temperature plasma sterilizer comprises a vaporization chamber, a purification chamber, a purification chamber end cover, a heat-conducting copper plate and a radiator, the other end of the vaporization chamber is connected with a connector, a first solenoid valve and a second solenoid valve are fixed on the connector, the heat-conducting copper plate is installed on the upper end of the purification chamber end cover, the radiator is fixed on the upper end of the purification chamber end cover and is located above the heat-conducting copper plate, the radiator comprises a heat sink and a cooling fan, the heat sink is installed at the lower end of the cooling fan, the heat sink and the purification chamber end cover are connected together through a connecting assembly, the connecting assembly comprises a mounting shell formed on the side of the heat sink, a stud is inserted in the mounting shell, the lower end of the stud fixes the heat sink to the purification chamber end cover, a spring is arranged on the stud, and the spring is located between the stud and the upper surface of the mounting shell.

[0005] In order to connect the heat sink and the heat dissipation fan together, a mounting column is formed on the side surface of the heat sink, and the heat dissipation fan is fixed on the mounting column.

[0006] In order to completely separate hydrogen peroxide and water, a plurality of condensing plates are installed in the purification chamber, and the condensing plates are installed on the lower surface of the end cover of the purification chamber. A collecting hole is opened on the surface of the purification chamber, and a vaporization hole is opened on the lower end of the purification chamber. The collecting hole and the vaporization hole are respectively located on both sides of the condensing plate, and the vaporization hole is connected with the vaporization chamber. A liquid outlet channel is formed in the vaporization chamber, and the liquid outlet channel is connected with the collecting hole. The hydrogen peroxide solution passes through the vaporization hole and the condensing plate, and finally enters the liquid outlet channel through the collecting hole. The first solenoid valve and the second solenoid valve are used to open the valves to collect different vaporizations respectively.

[0007] In order to fix the condensation plate to the lower end of the purification chamber end cover, the condensation plate includes a condensation plate body, a connecting plate is formed on the condensation plate body, the connecting plate is connected to the lower surface of the purification chamber end cover, a connecting hole is opened on the connecting plate, and a plurality of evenly distributed condensation holes are opened on the condensation plate body.

[0008] In order to facilitate the injection of hydrogen peroxide solution, a liquid injection hole is opened on the side of the vaporization chamber.

[0009] In order to prevent the hydrogen peroxide solution from directly entering the liquid outlet channel, a liquid inlet groove is provided in the vaporization chamber, the liquid inlet groove is communicated with the liquid injection hole, and the liquid outlet channel is provided outside the liquid inlet groove.

[0010] In order to collect the vaporized water or hydrogen peroxide, one end of the first solenoid valve and one end of the second solenoid valve are both connected to the same vacuum pump.

[0011] Compared with the prior art, the beneficial effect achieved by the utility model is: by arranging a spring between the mounting shell and the stud, the deformation of the spring is used to generate elastic force to offset the pressure exerted on the heat sink and the heat sink fan under different air pressures, thereby further preventing the fasteners on the heat sink and the heat sink from loosening, improving the stability of the connection between the heat sink and the heat sink, and reducing the noise during equipment operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 It is an exploded view of the overall structure of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the purification chamber of the utility model;

[0016] Figure 4 yes Figure 3 sectional view of

[0017] Figure 5 It is a structural diagram of the condensation plate of the utility model;

[0018] Figure 6 It is a structural schematic diagram of the vaporization chamber of the utility model;

[0019] Figure 7 yes Figure 6 sectional view of

[0020] In the figure: 1. Vaporization chamber; 11. Liquid injection hole; 13. Liquid inlet tank; 14. Liquid outlet channel; 2. Purification chamber; 21. Condensation plate; 211. Connecting plate; 212. Condensation plate body; 213. Condensation hole; 214. Connecting hole; 22. Collecting hole; 23. Vaporization hole; 3. Purification chamber end cover; 31. Thermal copper plate; 4. Radiator; 41. Cooling fan; 42. Heat sink; 5. Connecting assembly; 51. Mounting shell; 52. Stud; 53. Spring; 55. Mounting column; 6. Connector; 7. First solenoid valve; 8. Second solenoid valve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0022] See also Figure 1 and 2The utility model provides a technical solution: a purification mechanism of a hydrogen peroxide low-temperature plasma sterilizer, comprising a vaporization chamber 1, a purification chamber 2, a purification chamber end cover 3, a heat-conducting copper plate 31 and a radiator 4, a connector 6 is connected to the other end of the vaporization chamber 1, a first solenoid valve 7 and a second solenoid valve 8 are fixed to the connector 6, the heat-conducting copper plate 31 is installed at the upper end of the purification chamber end cover 3, the radiator 4 is fixed at the upper end of the purification chamber end cover 3, and is located above the heat-conducting copper plate 31, the radiator 4 comprises a heat sink 42 and a heat dissipation fan 41, the heat sink 42 is installed at the lower end of the heat dissipation fan 41, the heat sink 42 and the purification chamber end cover 3 are connected together by a connecting component 5, the connecting component 5 comprises a mounting shell 51 formed on the side of the heat sink 42, the mounting shell A stud 52 is inserted into 51, and the mounting shell 51 can slide up and down along the stud 52. A screw is formed at the lower end of the stud 52. The mounting shell 51 on the side of the heat sink 42 is connected to the purification chamber end cover 3 through a threaded connection between the screw and the purification chamber end cover 3. A spring 53 is arranged on the stud 52, and the spring 53 is located between the stud 52 and the upper surface of the mounting shell 51. By setting the spring 53, an elastic force is applied to the mounting shell 51, and the deformation of the spring 53 is used to generate an elastic force to offset the pressure of the cooling fan 41 and the heat sink 42 under different air pressures, thereby ensuring the connection stability between the stud 52 and the purification chamber end cover 3, so that the stud 52 and the purification chamber end cover 3 will not be loose, and further avoiding the noise generated during the operation of subsequent equipment.

[0023] A mounting column 55 is formed on the side surface of the heat sink 42 , and the heat sink fan 41 is fixed on the mounting column 55 . The heat sink fan 41 is connected to the heat sink 42 via the mounting column 55 .

[0024] like Figures 1 to 4 As shown, a plurality of condensing plates 21 are installed in the purification chamber 2, and the condensing plates 21 are installed on the lower surface of the purification chamber end cover 3. A collecting hole 22 is opened on the surface of the purification chamber 2, and a vaporization hole 23 is opened on the lower end of the purification chamber 2. The collecting hole 22 and the vaporization hole 23 are respectively located on both sides of the condensing plate 21. The vaporization hole 23 is connected with the vaporization chamber 1. A liquid outlet channel 14 is formed in the vaporization chamber 1, and the liquid outlet channel 14 is connected with the collecting hole 22. The hydrogen peroxide solution passes through the vaporization hole 23 and the condensing plate 21. The condensing plate 21 is used to reduce the temperature of the hydrogen peroxide so that the hydrogen peroxide The hydrogen peroxide is liquefied to prevent the hydrogen peroxide and water vapor from being sucked out together, and finally enters the liquid outlet channel 14 through the collecting hole 22. The first solenoid valve 7 and the second solenoid valve 8 are used to open the valves to collect different vaporized products respectively, and the vaporized water or hydrogen peroxide at the bottom of the vaporization chamber 1 enters the purification chamber 2 through the vaporization hole 23. In the purification chamber 2, the vaporized water or hydrogen peroxide is introduced into the liquid outlet channel 14 of the vaporization chamber 1 through the collecting hole 22, and the vaporized water or hydrogen peroxide is collected by opening the first solenoid valve 7 or the second solenoid valve 8 respectively.

[0025] like Figure 5 As shown, the condensation plate 21 includes a condensation plate body 212, on which a connecting plate 211 is formed, and the connecting plate 211 is connected to the lower surface of the purification chamber end cover 3, and a connecting hole 214 is opened on the connecting plate 211. The condensation plate body 212 is provided with a plurality of evenly distributed condensation holes 213, through which the temperature of hydrogen peroxide is reduced to liquefy hydrogen peroxide and separate it from water vapor, so as to prevent hydrogen peroxide from being sucked out together with water vapor.

[0026] like Figure 2 As shown, a liquid injection hole 11 is opened on the side of the vaporization chamber 1, and the liquid injection hole 11 is used to inject hydrogen peroxide solution.

[0027] like Figure 6 and 7 As shown, a liquid inlet groove 13 is provided in the vaporization chamber 1, and the liquid inlet groove 13 is connected to the liquid injection hole 11. A liquid outlet channel 14 is provided outside the liquid inlet groove 13 to avoid direct connection between the liquid inlet groove 13 and the liquid outlet channel 14, which would affect the purification quality of hydrogen peroxide.

[0028] One end of the first solenoid valve 7 and one end of the second solenoid valve 8 are both connected to the same vacuum pump. Through the operation of the vacuum pump and the opening of the first solenoid valve 7 or the second solenoid valve 8, the vaporized water or hydrogen peroxide is collected respectively to complete the purification of hydrogen peroxide.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A purification mechanism of a hydrogen peroxide low-temperature plasma sterilizer, comprising a vaporization chamber, a purification chamber, a purification chamber end cover, a heat-conducting copper plate and a radiator, wherein the other end of the vaporization chamber is connected to a connector, and a first solenoid valve and a second solenoid valve are fixed to the connector, characterized in that: The thermally conductive copper plate is installed on the upper end of the purification chamber end cover, the radiator is fixed on the upper end of the purification chamber end cover and is located above the thermally conductive copper plate, the radiator includes a heat sink and a cooling fan, the heat sink is installed on the lower end of the cooling fan, the heat sink and the purification chamber end cover are connected together through a connecting component, the connecting component includes a mounting shell formed on the side of the heat sink, a stud is inserted in the mounting shell, the lower end of the stud fixes the heat sink to the purification chamber end cover, a spring is provided on the stud, and the spring is located between the stud and the upper surface of the mounting shell.

2. The purification mechanism of the hydrogen peroxide low-temperature plasma sterilizer according to claim 1, characterized in that: The side surface of the heat sink is formed with a mounting column, and the heat dissipation fan is fixed on the mounting column.

3. The purification mechanism of the hydrogen peroxide low-temperature plasma sterilizer according to claim 1, characterized in that: A plurality of condensing plates are installed in the purification chamber, and the condensing plates are installed on the lower surface of the end cover of the purification chamber. A collecting hole is provided on the surface of the purification chamber, and a vaporization hole is provided on the lower end of the purification chamber. The collecting hole and the vaporization hole are respectively located on both sides of the condensing plate, and the vaporization hole is connected with the vaporization chamber. A liquid outlet channel is formed in the vaporization chamber, and the liquid outlet channel is connected with the collecting hole. The hydrogen peroxide solution passes through the vaporization hole and the condensing plate, and finally enters the liquid outlet channel through the collecting hole. The first solenoid valve and the second solenoid valve are used to open the valves to collect different vapors respectively.

4. The purification mechanism of the hydrogen peroxide low-temperature plasma sterilizer according to claim 3 is characterized in that: The condensation plate comprises a condensation plate body, a connecting plate is formed on the condensation plate body, the connecting plate is connected to the lower surface of the purification chamber end cover, a connecting hole is opened on the connecting plate, and a plurality of evenly distributed condensation holes are opened on the condensation plate body.

5. The purification mechanism of the hydrogen peroxide low-temperature plasma sterilizer according to claim 3, characterized in that: A liquid injection hole is provided on the side of the vaporization chamber.

6. The purification mechanism of the hydrogen peroxide low-temperature plasma sterilizer according to claim 5, characterized in that: A liquid inlet groove is provided in the vaporization chamber, the liquid inlet groove is communicated with the liquid injection hole, and the liquid outlet channel is provided on the outer side of the liquid inlet groove.

7. The purification mechanism of the hydrogen peroxide low-temperature plasma sterilizer according to claim 1, characterized in that: One end of the first solenoid valve and one end of the second solenoid valve are both connected to the same vacuum pump.

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