KR20110035322A - Control method for nursing bottle disinfection apparatus - Google Patents

Abstract

PURPOSE: A control method of a container sterilizer is provided to dry a nursing bottle enough before an ultraviolet ray sterilization step. CONSTITUTION: A control method of a container sterilizer comprises: a sterilization menu display step(S20) of outputting the information about the sterilization menu in a display unit when a mode selection menu is inputted; a container sterilization mode selection step(S30) of selecting one among a plurality of container sterilization modes when the sterilization menu is selected; and drying sterilization steps(S50,S60) of performing drying and sterilization successively.

Description

CONTROL METHOD FOR NURSING BOTTLE DISINFECTION APPARATUS}

The present invention relates to a method for controlling a container sterilizer, and more specifically, to a bottle sterilizer which can significantly improve the sterilization efficiency for a sanitary container by thoroughly drying the bottle before the ultraviolet sterilization step and then concentrating the sterilization process. It relates to a control method.

In general, devices capable of sterilizing containers are disclosed in various forms.

The container washer disclosed in the Republic of Korea Patent Registration No. 10-0527842 is to store the water in the washing tank to heat, and to disinfect the container by the heated water and ultraviolet lamps.

However, such a container washing machine is equipped with an ultraviolet lamp only on one side, so the sterilizing power of the container decreases as the distance increases, and can be flowed by the water stored in the container, so that the container is adjacent to the ultraviolet lamp (for example, a bottle or a dish). There is a disadvantage that ultraviolet rays can be blocked rapidly. In addition, since a large amount of water needs to be heated, it takes a lot of heating time and there is an inconvenience of having to replace a large amount of water each time.

On the other hand, Republic of Korea Utility Model No. 20-0209537 discloses a bottle sterilizer having a structure capable of irradiating ultraviolet rays individually to the bottle. By the way, the bottle sterilizer is to dry the residual water by washing in a drying method using a heater, but there is a disadvantage that unnecessary power consumption is increased because the heat generated from the heater is not concentrated on the drying object.

1 is a process flowchart showing a control method of a conventional bottle sterilizer. As shown in Figure 1, the conventional bottle sterilizer is made of a drying step (S 3-2) and sterilization step (S 3-1) at the time of drying the bottle. That is, when the drying step (S 3-2) of the baby bottle is made in the process standby step (S 1), the sterilization drying step (S 2) is simultaneously performed in the dryer, and the sterilization / drying operation time is preset or set by the user. Control (S 4) can be carried out for a certain time.

However, such a conventional bottle sterilizer is made of sterilization during drying time, so it is difficult to expect a sufficient sterilization effect due to the difficulty of sufficiently securing the ultraviolet irradiation time.

In addition, since sterilization and drying are performed at the same time, since the ultraviolet lamp and the heater blower are simultaneously operated in the sterilizer, it is difficult to control the ratio of the drying time and the sterilization time, which makes it difficult to improve sterilization and drying performance.

The present invention has been made in accordance with the above needs, the object of the present invention is to provide a control method of a container sterilizer to sufficiently dry the bottle before the ultraviolet sterilization step, and then to sterilize sterilization to improve sterilization efficiency.

According to an embodiment of the present invention for achieving the above object, as a control method of a container sterilizer for drying and sterilizing a container, such as a washed bottle or tableware, when a mode selection menu is inputted, the display unit displays information on the sterilization menu. Sterilization menu display step to output to; A container sterilization mode selection step of selecting any one of a plurality of container sterilization modes set when the sterilization menu is selected; And any one of the container sterilization modes in the container sterilization mode selection step provides a control method of a container sterilizer including a dry sterilization step for performing a drying operation for a predetermined time and performing a sterilization operation when drying is completed.

The sterilization operation is preferably carried out for at least 40 minutes when the object container is a general tableware, and at least 60 minutes when the object container is a tubular shape such as a baby bottle.

The container sterilization mode is preferably set to vary the sterilization time according to the type of container.

The drying temperature in the drying operation is preferably at least 60 ℃ to 70 ℃.

Even during the sterilization operation, the blowing air for drying is preferably generated in the sterilizer.

According to the present invention, the bottle is sufficiently dried before the UV sterilization step, and afterwards, sterilization and disinfection are concentrated to improve sterilization efficiency for sanitary containers such as bottles.

In addition, the sterilization time and the drying time can be adjusted according to the containers of various shapes such as not only the baby bottle, but more efficient sterilization drying effect can be expected.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a process flowchart showing a control method of a container sterilizer according to an embodiment of the present invention.

As shown in FIG. 2, the present invention includes a mode selection step (S 10), a sterilization menu display step (S 20), a sterilization mode selection step (S 30), and a dry sterilization step.

The mode selection step (S 10) is provided so that the user can select the sterilization drying mode through the operation panel formed on the sterilizer body. That is, the user can select whether to display a preset sterilization menu or to perform a one-way process in the other control mode (S70).

The sterilization menu display step (S 20) outputs information on the sterilization menu to the display unit of the sterilizer when a mode selection menu is input.

 The sterilization mode selection step (S 30) is a step of selecting any one of the container sterilization mode (S 40) is set to a plurality when the sterilization menu is selected. Specifically, container sterilization mode (S 40), as shown in Figure 2, after setting a plurality of modes (S 41, S 42, S 43, S 44) can be easily selected by the user to operate the sterilizer. Here, the container sterilization mode (S 40) can be set by varying the sterilization time according to the type of the container, it is preferable to carry out for a long time to 60 minutes or more when disinfecting the bottle that requires a relatively thorough hygiene.

For example, in the fourth mode S 44, the drying operation step S 50 is performed for a predetermined time, and when the drying is completed, the sterilization operation step 60 is sequentially performed to complete the process. At this time, even during the sterilization operation, the blowing air for drying may be generated in the sterilizer to remove residual water even during the sterilization process.

Hereinafter, the action on the control method of the container sterilizer as described above will be examined closely.

≪ Example 1 >

Conventional sterilization dryers and sterilizers can be dried and sterilized at the same time, thereby reducing time, while reducing sterilization efficiency. Accordingly, in this experiment, the container was dried for a predetermined time, and then ultraviolet sterilization was performed on the container, and the bactericidal power was tested by detecting bacteria remaining in the container. That is, the sterilization was carried out after drying to completely block the propagation of bacteria remaining in the container during drying.

1) Experimental method: Detecting residual bacteria by irradiating ultraviolet rays after container drying

2) Experimental condition: After drying the container in the sterilizer for 20 minutes, observe after sterilization by UV irradiation for 60 minutes.

3) Experiment result:

Remarks First bacteria count Number of bacteria remaining after sterilization Bactericidal power Escherichia coli 3.6 × 10 ⁸ 2969 99.99% Salmonella 4.6 × 10 ⁸ 2586 99.99%

After the container is completely dried inside the sterilizer, 60 minutes of ultraviolet irradiation can confirm that most of the population of bacteria disappears. Therefore, it is difficult to completely sterilize only by drying itself, and it was possible to remove the remaining bacteria in the container by performing sterilization separately after drying.

<Example 2>

Figure 3a is a reference diagram showing the growth of bacteria over time by performing drying and sterilization at the same time, Figure 3b is a reference diagram showing the killing state of bacteria over time by performing only sterilization.

As shown in Figure 3a, as a result of the experiment by the surface microorganism test method was carried out at the same time drying and sterilization it was confirmed that the bacteria are rather multiplied with time. This is a typical microorganism having an optimal propagation environment at 40 ~ 60 ℃ to provide a drying room environment of approximately 60 ℃ when the drying and sterilization at the same time. Therefore, the effective bactericidal effect is difficult to guarantee.

On the other hand, when only sterilization in the container sterilizer of the present invention as shown in Figure 3b it can be seen that the bacteria are clearly killed over time.

As described above, when the drying and sterilization are simultaneously performed during disinfection of the container, an appropriate temperature for propagation of microorganisms is provided, and bacteria may be multiplied. On the other hand, if the drying process is carried out at a high temperature and the intensive sterilization process is performed afterwards, most of the bacteria can be confirmed to be killed. When disinfecting the container, sufficient drying time is ensured and the intensive sterilization process is then performed. The bacteria remaining in the article could be completely removed.

In addition, the sterilization operation may be performed only for about 40 minutes in the case of the general tableware having a relatively large entrance of the container. On the other hand, if the container is a tubular shape, such as a bottle, it is preferable to carry out 60 minutes or more so that the ultraviolet rays are sufficiently irradiated to the inside of the barrel.

While the present invention has been particularly shown and described with reference to the particular embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

1 is a process flowchart showing a control method of a conventional bottle sterilizer, and

2 is a process flowchart showing a control method of a container sterilizer according to an embodiment of the present invention;

Figure 3a is a reference diagram showing the growth of bacteria over time by performing sterilization and drying at the same time, and

Figure 3b is a reference diagram showing the killing of bacteria over time by performing only sterilization.

<Simple description of main drawing code>

10: Mode selection step 20: Sterilization menu display step

30: sterilization mode selection step 50: drying operation step

60: sterilization operation stage

Claims (5)

As a control method of a container sterilizer for drying and sterilizing a container such as a washed bottle or tableware, A sterilization menu display step of outputting information on the sterilization menu to the display unit when the mode selection menu is input; A container sterilization mode selection step of selecting any one of a plurality of container sterilization modes set when the sterilization menu is selected; And Any one of the container sterilization mode in the container sterilization mode selection step is carried out a drying operation for a predetermined time, the control of the container sterilizer characterized in that it comprises a drying sterilization step to sequentially perform the sterilization operation when the drying is complete Way. The method of claim 1, The sterilization operation is carried out for more than 40 minutes when the target container is a general tableware, If the container is cylindrical, such as a bottle, the control method of a container sterilizer, characterized in that carried out for at least 60 minutes. The method of claim 1. The container sterilization mode is a control method of a container sterilizer, characterized in that set by varying the sterilization time according to the type of container. The method according to any one of claims 1 to 3, Drying temperature in the drying operation is a control method of the container sterilizer, characterized in that at least 60 ℃. The method according to any one of claims 1 to 3, Control method of the sterilizer, characterized in that the blowing air for drying in the sterilizer during the sterilization operation.

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