TWM589052U - Sterilizing device and low-temperature liquid sterilizing equipment - Google Patents

Abstract

This creation provides a low-temperature liquid sterilization equipment, including a container and a sterilization device. The container is suitable for containing a cryogenic liquid whose temperature is lower than room temperature. The sterilization device is detachably installed in the container. The sterilization device includes a light-transmitting shell, a light emitting module, a grip and a power supply module. The light-transmitting housing is suitable for extending into the container and immersed in the cryogenic liquid, and defines an accommodating space isolated from the cryogenic fluid. The light-emitting module is arranged in the accommodating space, and can emit ultraviolet light that penetrates the light-transmitting housing and is irradiated to the low-temperature liquid in a controlled manner. The grip is mounted on the light-transmitting housing and is located outside the container. The power supply module is disposed on the grip and electrically connected to the light emitting module to provide power to the light emitting module.

Description

Sterilization device and low-temperature liquid sterilization equipment

This creation is about a sterilization device, especially a sterilization device and low-temperature liquid sterilization equipment for destroying mold or other microorganisms that live in low-temperature liquid.

With the rise of hygiene awareness, the public began to pay attention to the environment and the cleaning of items. There are many ways to disinfect and sterilize today. Among them, ultraviolet sterilization devices with high energy and fast sterilization characteristics are widely used in public places, even medical hospitals. Therefore, this sterilization device is used for sterilization of cryogenic liquids. Because many biological samples or reagents in medical hospitals need to be stored by cryogenic liquids, medical personnel must sterilize the cryogenic liquids before filling into storage. In the reagent container, the reagent is kept as it is. However, the sterilization device is placed outside the container storing the low-temperature liquid to irradiate the low-temperature liquid through high-frequency ultraviolet light to achieve the sterilization effect. Since the sterilization device is separated from the low-temperature liquid by a distance, the sterilization effect is limited, resulting in the The time for cryogenic liquid to store the reagent will be greatly shortened, which will increase the storage cost. In addition, in many medical tumor treatments (such as malignant bone tumors, etc.), cryogenic liquid will be used for cryotherapy. Destroy tumor cells. Low-temperature fluids that have not been completely sterilized will increase the risk of infection during surgery. Therefore, how to reduce the bacteria content in the cryogenic liquid is a problem facing the industry.

Therefore, the purpose of this creation is to provide a sterilization device that reduces the bacteria content in the cryogenic liquid.

Therefore, the purpose of this creation is to provide a cryogenic liquid sterilization equipment that provides high-quality cryogenic liquid.

Therefore, the sterilization device of the present invention is suitable for being detachably installed in a container containing a low-temperature liquid whose temperature is lower than room temperature. The sterilization device includes: a light-transmitting housing, a light-emitting module, a Grip and a power supply module. The light-transmitting housing is suitable for extending into the container and immersed in the cryogenic liquid, and defines an accommodating space isolated from the cryogenic fluid. The light-emitting module is arranged in the accommodating space, and can emit ultraviolet light that penetrates the light-transmitting housing and is irradiated to the low-temperature liquid in a controlled manner. The grip is mounted on the light-transmitting housing and is located outside the container. The power supply module is disposed on the grip and electrically connected to the light emitting module to provide power to the light emitting module.

In some embodiments, the light-emitting module includes a bracket disposed in the accommodating space, and at least one light-emitting diode unit disposed on the bracket and immersed in the cryogenic liquid, the light-emitting diode unit having a A substrate disposed on the bracket and at least one light-emitting diode disposed on the substrate.

In some embodiments, the bracket has a metal body extending through the accommodating space for the light emitting diode unit to be disposed, and a metal body formed on the surface of the metal body for electrical connection between the light emitting diode unit and the metal body Separated protective layer.

In some embodiments, the sterilization device further includes a set of limiting structures disposed on the light-transmitting housing and supporting the light-transmitting housing to the container.

In some embodiments, the material of the light-transmitting housing includes quartz glass.

In some embodiments, the surface of the support is recessed to form at least one groove for the light emitting diode unit.

In some embodiments, the light-emitting module includes a plurality of light-emitting diode units. The surface of the bracket is recessed to form a plurality of grooves spaced around the axis and extending parallel to the axis. The light-emitting diode unit is passed through.

Therefore, the low-temperature liquid sterilization equipment of this creation includes a container and a sterilization device. The container is suitable for containing a cryogenic liquid whose temperature is lower than room temperature. The sterilization device is detachably installed in the container. The sterilization device includes: a light-transmitting housing, a light emitting module, a grip and a power supply module. The light-transmitting housing is suitable for extending into the container and immersed in the cryogenic liquid, and defines an accommodating space isolated from the cryogenic fluid. The light-emitting module is arranged in the accommodating space, and can emit ultraviolet light that penetrates the light-transmitting housing and is irradiated to the low-temperature liquid in a controlled manner. The grip is mounted on the light-transmitting housing and is located outside the container. The power supply module is disposed on the grip and electrically connected to the light emitting module to provide power to the light emitting module.

The effect of this creation is: the low-temperature liquid sterilization equipment is inserted into the container by the sterilization device and immersed in the low-temperature liquid, and the low-temperature liquid is irradiated through the ultraviolet light emitted by the short-wave ultraviolet LED, thereby greatly improving the sterilization effect of the low-temperature liquid . Furthermore, by passivating the surface of the metal body, the limiting structure and the grip, the wear resistance of these structures can be improved to extend the service life, and the user can also avoid electric shock. In addition, through the material characteristics of the light-transmitting shell, the impact of the light-emitting module at low temperature and high temperature can be effectively protected, thereby extending the service life of the light-emitting diodes. Overall, the sterilization device is not only good in sterilization and durable Degree is high.

Referring to FIG. 1, an embodiment of the low-temperature liquid sterilization device of the present invention includes a container 1 and a sterilization device 2. In this embodiment, the container 1 is suitable for containing a cryogenic liquid 9 whose temperature is not higher than room temperature. For example, the cryogenic liquid 9 is used to store liquid nitrogen of reagents, but the cryogenic liquid 9 is not limited to liquid nitrogen, and the cryogenic liquid 9 may also be liquid oxygen, liquid argon, or the like.

1 and 2, the sterilization device 2 is detachably installed in the container 1, the sterilization device 2 includes a light-transmitting housing 21, a light-emitting module 22, a limit structure 23, a grip 24 and One power supply module 25.

Referring to FIGS. 1 to 3, the light-transmitting housing 21 extends in the shape of a test tube, and the closed end thereof is suitable for extending into the container 1 and immersing in the cryogenic liquid 9. The light-transmitting housing 21 defines a low-temperature fluid 9 Quarantine accommodating space 211. In this embodiment, the material of the light-transmitting housing 21 includes quartz glass, which has the properties of transparency, low temperature resistance, and structural strength that can withstand the impact of high temperature (room temperature) and low temperature (negative 190 degrees Celsius). The light-transmitting housing 21 can allow the light emitted by the light-emitting module 22 to penetrate. Of course, the material of the light-transmitting housing 21 is not limited to quartz glass, as long as it can withstand the above environmental temperature and has light-transmitting properties. Materials can be used.

Referring to FIG. 1 to FIG. 4, the light-emitting module 22 penetrates the accommodating space 211 and can emit ultraviolet light that penetrates through the light-transmissive housing 21 and is irradiated to the low-temperature liquid 9. Specifically, the light-emitting module 22 includes a bracket 221 disposed in the accommodating space 211 and a plurality of light-emitting diode units 222 disposed on the bracket 221 and immersed in the cryogenic liquid 9. The surface of the bracket 221 is recessed to form a plurality of grooves 223 spaced around the axis and extending parallel to the axial direction. The grooves 223 are provided for the light-emitting diode units 222 to pass through, thereby the light-emitting diode units 222 can radiate the cryogenic liquid 9 outward in a radial manner, thereby destroying molds or other microorganisms living in the cryogenic liquid 9 in a wide range and in a state adjacent to the cryogenic liquid 9. In addition, in this embodiment, each light-emitting diode unit 222 is, for example, a light-emitting diode light bar, that is, each light-emitting diode unit 222 has a substrate 224 disposed on the bracket 221, and at least A light emitting diode 225 disposed on the substrate 224. The substrate 224 is elongatedly engaged in the groove 223 to fix the light-emitting diode 225 and can stably irradiate the low-temperature liquid 9 outwardly. In this embodiment, the material of the substrate 224 includes aluminum. However, it is not limited to this, and the light-emitting diode units 222 are not limited to light-emitting diode light bars. The light-emitting diode units 222 may also be single LEDs, which are disposed on the bracket 221 The number of the light-emitting diode units 222 can be adjusted according to the volume of the container 1 so as to be immersed in the cryogenic liquid 9.

It is worth noting that in a preferred embodiment, each light-emitting diode 225 is a short-wave ultraviolet LED (UV-C LED), and the short-wave ultraviolet LED can emit a wavelength of about 280 nanometers (nm) -100nm ultraviolet light, high-frequency ultraviolet light will enhance the sterilization effect due to high energy and reduce the bacteria content of low temperature liquid 9. Of course, each light-emitting diode 225 is not limited to short-wave ultraviolet LEDs. The light-emitting diode 225 can also emit other ultraviolet light bands such as ultraviolet B (UV-B) with a wavelength of 315 nm-280 nm , Or ultraviolet-C (UV-C) diode with a wavelength of 400nm-315nm, can also achieve sterilization effect, according to this, users will use the corresponding ultraviolet light band according to actual application needs. On the other hand, the bracket 221 has a metal body 226 extending through the accommodating space 211 for the light emitting diode unit 222 and a metal body 226 formed on the surface of the metal body 226 for the light emitting diode unit 222 and the metal The protective layer 227 is electrically separated from the main body 226. In this embodiment, the material of the metal body 226 includes aluminum alloy, and the metal body 226 forms a protective layer 227, that is, an anti-oxidation layer, on the surface through anodization, thereby improving the wear resistance of the bracket 221, and the The anti-oxidation layer has the insulating property to electrically separate the metal body 226 and the light-emitting diode unit 222 to prevent the user from the risk of electric shock. In particular, in a low-temperature environment, the bracket 221 can maintain its structural strength to support the light-emitting diode unit 222.

The limiting structure 23 is sleeved on the light-transmitting housing 21 and supports the light-transmitting housing 21 on the container 1. In this embodiment, the limiting structure 23 is circular and plate-shaped. The material of the limiting structure 23 includes aluminum alloy, and the limiting structure 23 is also anodized to improve the wear resistance. Of course, the material and shape of the limiting structure 23 are not limited to the above.

The grip 24 is installed on the limiting structure 23 and located outside the container 1. More specifically, the handle 24 is abutted against the transparent casing 21 and is screwed to the limiting structure 23, so that the user can hold the handle 24 to take out and insert the sterilization device 2 from the container 1. In a preferred embodiment, the material of the grip 24 also includes aluminum alloy, and the surface is passivated to improve wear resistance. In addition, a low thermal conductivity and a soft protective cover can be added (not shown in the figure) The surface of the grip 24 prevents frostbite while gripping and also increases grip comfort.

The power supply module 25 is disposed on the handle 24 and electrically connected to the light emitting module 22. In this embodiment, the power supply module 25 is fixed to the end of the handle 24, and one end of the power supply module 25 is connected to the The light-emitting diode unit 22 is electrically connected, and the other end is electrically connected to an external power supply terminal (eg, commercial power) to provide power to the light-emitting diodes 225 to emit ultraviolet light. In another embodiment, the power supply module 25 is disposed in the grip 24 and electrically connected to the light emitting diode units 222, and the power supply module 25 includes a battery unit (not shown in the figure), The battery unit provides power to the light-emitting diodes 225.

In summary, the low-temperature liquid sterilization equipment of the present invention, by inserting the sterilization device 2 in the container 1 and immersed in the low-temperature liquid 9, irradiates the low-temperature liquid 9 through the ultraviolet light emitted by the short-wave ultraviolet LED, thereby substantially The sterilization effect of the low-temperature liquid 9 is improved. Furthermore, by passivating the surface of the metal body 226, the limiting structure 23 and the grip 24, the wear resistance of these structures can be improved to extend the service life, and the user can also avoid electric shock. In addition, through the material characteristics of the light-transmitting housing 21, the light-emitting module 22 can be effectively protected from the impact of the low temperature and the high temperature (room temperature) in turn, thereby extending the life of the light-emitting diodes 225. Overall, the sterilization The device 2 not only has good sterilization effect and high durability, so it can really achieve the purpose of cost creation.

However, the above are only examples of the creation, and the scope of the implementation of the creation cannot be limited by this. Any simple equivalent changes and modifications made according to the scope of the patent application for the creation and the content of the patent specification are still regarded as Within the scope of this creative patent.

1‧‧‧Container 2‧‧‧sterilization device 21‧‧‧Transparent housing 211‧‧‧accommodating space 22‧‧‧Light Module 221‧‧‧Bracket 222‧‧‧ LED unit 223‧‧‧groove 224‧‧‧ substrate 225‧‧‧ LED 226‧‧‧Metal body 227‧‧‧Protection layer 23‧‧‧Limit structure 24‧‧‧grip 25‧‧‧Power supply module 9‧‧‧Cryogenic liquid

Other features and functions of this creation will be clearly presented in the embodiment with reference to the drawings, in which: 1 is a schematic cross-sectional view of an embodiment of a low-temperature liquid sterilization device of the present invention, illustrating a state in which a sterilization device of the embodiment is inserted into a container; 2 is a perspective view of the embodiment, illustrating the structure of the sterilization device of the embodiment; 3 is an exploded perspective view of the embodiment, illustrating the detailed structure of the sterilization device of the embodiment; and FIG. 4 is a schematic cross-sectional view of one of the embodiments, illustrating the detailed structure of a bracket of the embodiment, and the state where the bracket is disposed in a light-transmitting housing.

1‧‧‧Container

2‧‧‧sterilization device

21‧‧‧Transparent housing

22‧‧‧Light Module

23‧‧‧Limit structure

24‧‧‧grip

25‧‧‧Power supply module

9‧‧‧Cryogenic liquid

Claims (14)

A sterilization device is suitable for being detachably installed in a container containing a cryogenic liquid. The temperature of the cryogenic liquid is lower than room temperature. The sterilization device includes: A light-transmitting shell, suitable for extending into the container and immersed in the cryogenic liquid, and defining an accommodating space isolated from the cryogenic fluid; A light-emitting module is arranged in the accommodating space, and can control and emit ultraviolet light penetrating the light-transmitting shell to irradiate the low-temperature liquid; A grip, mounted on the light-transmissive housing and located outside the container; and A power supply module is disposed on the grip and electrically connected to the light emitting module to provide power to the light emitting module. The sterilization device according to claim 1, wherein the light-emitting module includes a bracket disposed in the accommodating space, and at least one light-emitting diode unit disposed on the bracket and immersed in the cryogenic liquid, the light-emitting diode The polar body unit has a substrate disposed on the support, and at least one light-emitting diode disposed on the substrate. The sterilization device according to claim 2, wherein the bracket has a metal body extending through the accommodating space for the light-emitting diode unit and a metal body formed on the surface of the metal body for the light-emitting diode unit and The protective layer of the metal body is electrically separated. The sterilization device according to claim 1, further comprising a set of limiting structures disposed on the light-transmitting shell and supporting the light-transmitting shell to the container. The sterilization device according to claim 1, wherein the material of the light-transmitting housing includes quartz glass. The sterilization device according to claim 2, wherein the surface of the bracket is recessed to form at least one groove for the light emitting diode unit. The sterilization device according to claim 6, wherein the light-emitting module includes a plurality of light-emitting diode units, and the recesses on the surface of the bracket form a plurality of grooves spaced around the axis and extending parallel to the axial direction, and the recesses The slots are provided for the light-emitting diode units to pass through. A low-temperature liquid sterilization equipment, including: A container suitable for containing a cryogenic liquid whose temperature is lower than room temperature; and A sterilization device is detachably installed in the container, the sterilization device includes A light-transmitting shell, suitable for extending into the container and immersed in the cryogenic liquid, and defining an accommodating space isolated from the cryogenic fluid, A light-emitting module is arranged in the accommodating space and can control the ultraviolet light that penetrates the light-transmitting housing and irradiates the low-temperature liquid. A grip, mounted on the light-transmissive housing and located outside the container, and A power supply module is disposed on the grip and electrically connected to the light emitting module to provide power to the light emitting module. The low-temperature liquid sterilization device according to claim 8, wherein the light-emitting module has a support provided in the accommodating space, and at least one light-emitting diode unit provided on the support and immersed in the low-temperature liquid, the The light-emitting diode unit has a substrate disposed on the support, and at least one light-emitting diode disposed on the substrate. The low-temperature liquid sterilization device according to claim 9, wherein the bracket has a metal body extending through the accommodating space for the light-emitting diode unit and a light-emitting diode formed on the surface of the metal body for the light-emitting diode A protective layer that electrically separates the cell from the metal body. The low-temperature liquid sterilization device according to claim 8, wherein the light disinfection device further includes a set of limit structures provided on the light-transmitting housing and supporting the light-transmitting housing to the container. The cryogenic liquid sterilization device according to claim 8, wherein the material of the light-transmitting housing includes quartz glass. The low-temperature liquid sterilization device according to claim 9, wherein the recess of the surface of the support forms at least one groove for the light-emitting diode unit. The low-temperature liquid sterilization device according to claim 13, wherein the light-emitting module includes a plurality of light-emitting diode units, and the surface of the bracket is recessed to form a plurality of grooves spaced around the axis and extending parallel to the axial direction, the Equal grooves are provided for the light-emitting diode units to pass through.

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