KR102333689B1 - Tunnel type shopping cart sterilizer - Google Patents

Abstract

A disclosed tunnel-type shopping cart sterilizer comprises: a booth (100) which includes an upper plate (100A), a lower plate (100B), a first side plate (100C), and a second side plate (100D), and having an elongated rectangular sterilization chamber (102) inside, wherein a front entrance and a rear exit are opened and closed by a front door (112A) and a rear door (112B); high-pressure water washing units (200A, 200B) for spraying high-pressure water to the shopping carts (2) charged in the sterilization chamber (102) in an overlapping state to wash the shopping carts (2) with high-pressure water in the state in which the sterilization chamber (102) is closed by the front door (112A) and the rear door (112B); steam sterilization units (300A, 300B) for steam-sterilizing the shopping carts (2) by spraying high-temperature steam to the shopping carts (2) charged in the sterilization chamber (102) in an overlapping state in a state in which the sterilization chamber (102) is closed by the front door (112A) and the rear door (112B); smoke screen sterilization units (400A, 400B) for spraying a smoke film on the shopping carts (2) charged in the sterilization chamber (102) in an overlapping state to sterilize the shopping carts (2) in a state in which the sterilization chamber (102) is closed by the front door (112A) and the rear door (112B); and an ozone sterilization unit (500), which supplies ozone into the sterilization room (102) to ozone sterilize the shopping carts (2) in a state in which the sterilization chamber (102) is closed by the front door (112A) and the rear door (112B). It is possible to effectively sterilize and deodorize a plurality of shopping carts.

Description

Tunnel type shopping cart sterilizer

The present invention relates to an apparatus for sterilizing a shopping cart, and more particularly, to a tunnel-type shopping cart sterilizing device configured to sterilize and deodorize a plurality of (preferably 30 to 50) shopping carts overlapped in a row. It's about the device.

Recently, with the rapid spread of the coronavirus, interest in sterilizers and sterilizing agents has greatly increased. In particular, public use items such as shopping carts used by unspecified people become a medium that can greatly spread infectious diseases, so it is necessary to periodically sterilize them.

In the prior art, research and development on a device for sterilizing a plurality of shopping carts have been made. A conventional shopping cart sterilizer includes an open gate structure or a tunnel structure in which a UV LED is installed in the front and rear of the sterilizer. Such a conventional shopping cart sterilizer allows the shopping cart to pass through a gate structure or tunnel structure, and while the shopping cart passes through the gate structure or tunnel structure, a UV LED installed in the gate structure or tunnel structure causes the shopping cart to have a sterilizing effect. By irradiating UV light, the shopping cart is sterilized.

However, in the conventional shopping cart sterilization apparatus, the sterilization efficiency is not high because ultraviolet rays generated from the UV LED installed in the open tunnel structure or the gate structure are irradiated to only a part of the shopping cart to sterilize. The amount of UV irradiation must be increased, which has a problem in that a part of the shopping cart, in particular, a part made of a plastic resin is discolored or the strength is weakened. In addition, the prior art has limitations in sterilizing various types of pathogens.

Utility Model Registration No. 20-0426978 (Registration Date September 13, 2006)

The problem to be solved by the present invention is that a plurality of shopping carts, which are public use items, are charged in a long and sealed tunnel-type booth, and high-pressure water washing, steam sterilization, smoke sterilization and ozone sterilization are sequentially performed. It is to provide a tunnel-type shopping cart sterilizer that can effectively wash, sterilize and deodorize almost the entire area.

A tunnel-type shopping cart sterilizer according to an aspect of the present invention includes an upper plate 100A, a lower plate 100B, a first side plate 100C and a second side plate 100D, and has a front entrance and a rear exit. Booth 100 having an elongated rectangular sterilization chamber 102 therein opened and closed by the front door (112A) and the rear door (112B); In a state in which the sterilization chamber 102 is closed by the front door 112A and the rear door 112B, high-pressure water is injected into the shopping carts 2 loaded in the sterilization chamber 102 in an overlapping state. , high-pressure water washing units (200A, 200B) for washing the shopping carts (2) with high-pressure water; In a state in which the sterilization chamber 102 is closed by the front door 112A and the rear door 112B, high-temperature steam is sprayed onto the shopping carts 2 loaded in the sterilization chamber 102 in an overlapping state. , steam sterilizing the shopping carts (2), steam sterilization units (300A, 300B); In a state in which the sterilization chamber 102 is closed by the front door 112A and the rear door 112B, a smoke film is sprayed onto the shopping carts 2 loaded in the sterilization chamber 102 in an overlapping state, Smoke sterilization units (400A, 400B) for sterilizing the shopping carts (2); and ozone sterilizing the shopping carts 2 by supplying ozone into the sterilization chamber 102 while the sterilization chamber 102 is closed by the front door 112A and the rear door 112B. It includes a sterilization unit (500).

According to one embodiment, the tunnel-type shopping cart sterilizer includes an air spray unit ( 600A, 600B), a pressure sensor 710 for measuring the pressure in the sterilization chamber 102, a front door detection sensor 720A for detecting the closing of the front door 112A, and the rear door 112B In a position adjacent to the rear door 112B, the rear door detection sensor 720B for detecting the closing of A shopping cart detection sensor 730 that detects the shopping cart 2 at the end, and the sterilization chamber 102 in a closed state, suction the air in the sterilization chamber 102 to depressurize the sterilization chamber 102 A pressure control unit 740, the high-pressure water washing unit 200A, 200B, the steam sterilization unit 300A, 300B, the smoke sterilization unit 400A, 400B, the ozone sterilization unit 500, and the air spray Further comprising a controller 1000 for electronically controlling the units 600A and 600B, wherein the controller 1000 detects the closing of the rear door 112B and the shopping cart by the rear door detection sensor 720B. By sensing the shopping carts 2 of the sensor 730, it is determined whether an appropriate number of the shopping carts 2 are loaded in the sterilization room 102, and if the appropriate number of the shopping carts 2 are loaded, the front door According to whether or not the closing of the front door 112A is detected by the detection sensor 720A, it is determined whether the sterilization chamber 102 is closed, and the sterilization chamber 102 in which the shopping carts 2 are charged in an appropriate number is closed. If it is, the pressure in the sterilization chamber 102 is reduced by using the pressure adjusting unit 740, and when the pressure in the sterilization chamber 102 reaches the reference pressure Pr, the high-pressure water washing units 200A and 200B ), and when the high-pressure water washing time reaches the first reference time T1, the high-pressure water washing units 200A, 200 B) while stopping the operation of the steam sterilization units (300A, 300B), and when the steam sterilization time reaches the second reference time T2, while stopping the operation of the steam sterilization units (300A, 300B) , operate the smoke screen sterilization units 400A, 400B, and when the smoke screen sterilization time reaches the third reference time T3, stop the operation of the smoke screen sterilization units 400A, 400B, while the ozone sterilization unit 500 , and when the ozone sterilization time reaches the fourth reference time T4, the operation of the ozone sterilization unit 500 is stopped, while the air injection units 600A and 600B are operated, and the air injection time is set to a fifth time. When the reference time T5 is reached, the operation of the air injection units 600A and 600B is stopped and configured to notify the user of the completion of sterilization using an alarm.

According to one embodiment, the tunnel-type shopping cart sterilizer is arranged in the center of the upper surface of the lower plate 100B so as to be located between the left and right wheels of the shopping carts 2 loaded in the sterilization chamber 102 . Block 120, UV LEDs 122 installed in the cart alignment block 120 and irradiating ultraviolet rays to the shopping carts 2, and a quartz plate 124 disposed to cover the UV LEDs 122 ) is further included.

The tunnel-type shopping cart sterilization apparatus according to the present invention inserts a plurality of shopping carts, which are items for public use, into a long and sealed tunnel-type booth, and sequentially performs high-pressure water washing, steam sterilization, smoke sterilization, and ozone sterilization. It has the advantage of being able to effectively clean, disinfect and deodorize a dog's shopping cart over almost the entire area.

Other effects and advantages of the present invention will be better understood from the description of the following examples.

1 is a schematic projection perspective view for explaining an apparatus for sterilizing a tunnel-type shopping cart according to an embodiment of the present invention;
2 is a schematic side cross-sectional view for explaining a tunnel-type shopping cart sterilization apparatus according to an embodiment of the present invention;
3 is a schematic front sectional view for explaining a tunnel-type shopping cart sterilization apparatus according to an embodiment of the present invention;
4 is a flowchart for explaining the operation control of the tunnel-type shopping cart sterilizer according to an embodiment of the present invention;
5 is a schematic front cross-sectional view for explaining a tunnel-type shopping cart sterilization apparatus according to another embodiment of the present invention;
6 is a side cross-sectional view of the tunnel-type shopping cart sterilizer shown in FIG. 5;
7 is a front cross-sectional view illustrating an apparatus for sterilizing a tunnel-type shopping cart according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. The accompanying drawings and their related descriptions are presented for the purpose of helping those of ordinary skill in the art to understand the present invention. Accordingly, the drawings and description should not be construed as limiting the scope of the present invention.

1 to 3, the tunnel-type shopping cart sterilization apparatus according to an embodiment of the present invention includes a long rectangular sterilization chamber 102 opened and closed by a front door 112A and a rear door 112B inside. It includes a rectangular parallelepiped long booth 100 and a sterilization module M installed on the top of the booth 100 to wash, sterilize and deodorize the sterilization chamber 102 with high pressure water.

The booth 100 is made of a stainless steel material excellent in corrosion resistance against ozone, which will be described below, and includes an upper plate 100A, a lower plate 100B, a first side plate 100C, a second side plate 100D, and a front plate. 100E and a back plate 100F. At this time, the front door 112A is installed to open and close the inlet formed in the front plate 100E, and the rear door 112B is installed to open and close the outlet formed in the rear plate 100F. At this time, there is no separate space such as a machine room under the lower plate 100B, and therefore, the lower surface of the lower plate 100B is in direct contact with the ground. Accordingly, except for the thickness portion of the lower plate 100B, there is no chin that prevents the entry and exit of the shopping cart 2 at the entrance and exit of the booth 100 , and thus, overlapping multiple shopping malls By pushing the cart (2), it can be easily charged into the booth (100), and can also be easily exported to the outside of the booth (100).

In addition, on the outer surface of the first side plate 100C, an input unit 108 such as a touch screen, for example, provided for a user to input a command to a controller, and processing information in the booth 100 or arbitrary information to a shopping mall user A display unit 109 providing information may be provided. For example, on the display unit 109, text information such as "Our mart is sterilizing the shopping cart twice a week with steam, ozone, and smoke screen for the safety of our customers" is output on the display unit 109 .

In this embodiment, the sterilization module (M) is installed in the cuboidal housing 10 mounted on the upper surface of the top plate 100A of the booth 100, the housing 10, the booth 100 Components for spraying high-pressure washing water, high-temperature steam for sterilization, smoke film for sterilization, ozone and high-pressure air for drying through the injection part or the exhaust part airtightly introduced into the sterilization chamber 102 through the upper plate 100A of the include

In this embodiment, the sterilization module (M) includes a plurality of unit arrays (A) arranged at a predetermined price along the longitudinal direction while being fixed to the support (11) placed in the housing (10). The plurality of unit arrays (A) are arranged along the longitudinal direction from the front adjacent to the entrance through which the shopping carts 2 are entered to the exit through which the shopping carts 2 are exited. And, each of the unit arrays (A) performs all of high-pressure water washing, high-temperature steam sterilization, smoke sterilization, ozone sterilization, and air drying at the corresponding location, and thus, over the entire length section of the sterilization room 102, high pressure Water washing, steam sterilization, smoke sterilization, ozone sterilization and air drying can all be performed.

In this embodiment, the unit arrays (A) are overlapped by an appropriate number in the sterilization chamber 102 in a state in which the sterilization chamber 102 is closed by the front door 112A and the rear door 112B. High-pressure water washing units 200A and 200B, which spray high-pressure water to a plurality of (preferably, 30 to 50) shopping carts 2 charged with high-pressure water to wash the shopping carts 2 with high-pressure water. And, steam sterilization units (300A, 300B) for steam sterilizing the shopping carts (2) by spraying high-temperature steam to the shopping carts (2) loaded in the sterilization room (102) after the high-pressure water washing is completed And, after completion of the steam sterilization, a smoke film is sprayed on the shopping carts 2 loaded in the sterilization room 102 to sterilize the shopping carts 2 with a smoke screen, the smoke screen sterilization units 400A and 400B; An ozone sterilization unit 500 for supplying ozone into the sterilization chamber 102 to ozone sterilize the shopping carts 2, and after the ozone sterilization is completed, the shopping cart is washed with the high pressure water and the steam sterilized. In order to remove the moisture remaining in the (2), it includes air spraying units (600A, 600B) for spraying air to the shopping carts (2).

The ozone sterilization unit 500 is configured to perform ozone sterilization by supplying ozone into the sterilization chamber 102 instead of directly spraying the shopping cart, and is located at the center of the unit array A, that is, It is located in the center of the width of the sterilization room (102). In addition, the high-pressure water washing units 200A and 200B are disposed on the left side with respect to the ozone sterilization unit 500, and the high-pressure water spraying part extends downwardly to the right to spray the high-pressure water downward to the right. A second high-pressure water washing unit ( 200B). In addition, the steam sterilization unit (300A, 300B), the first steam sterilization unit extending toward the lower right side so as to spray high-temperature steam toward the lower right side while being disposed on the left side with respect to the ozone sterilization unit 500 It includes a unit 300A, and a second steam sterilization unit 300B in which a steam spraying unit extends downward to the left so as to spray steam toward the lower left while being disposed on the right side with respect to the ozone sterilization unit 500 . In addition, the smoke screen sterilization units 400A and 400B are disposed on the left side with respect to the ozone sterilization unit 500, and the smoke screen spraying unit extends downward to the right to spray the smoke film toward the lower right side of the first smoke screen sterilization unit. 400A, and a second smoke screen sterilization unit 400B with a smoke screen spraying unit extending downward to the left so as to spray a smoke film toward the lower left side while being disposed on the right side with respect to the ozone sterilization unit 500, and , The air injection units (600A, 600B) are disposed on the left with respect to the ozone sterilization unit 500, and the first air injection unit in which the air injection unit extends downward to the right to spray air toward the lower right. (600A), and a second air sterilization unit (600B) extending toward the lower left side so as to spray air toward the lower left side while being disposed on the right side with respect to the ozone sterilization unit 500,

Each of the steam sterilization units 300A and 300B includes a raw water tank, a steam generator for generating steam by instantaneously heating water from the raw water tank, and steam for spraying the steam generated from the steam generator into the sterilization chamber 102 . including a sprayer. In addition, each of the smoke screen sterilization units 400A and 400B includes a sterilization liquid tank connected to a motor pump (not shown), a smoke film forming heater that heats the sterilizing liquid from the sterilizing liquid tank to form a smoke film, and the smoke film formation and a smoke film spraying unit for spraying a smoke film formed by a heater into the sterilization chamber. Each of the ozone sterilization units 500A and 500B includes an ozone generating unit, an ozone discharging unit connected to the ozone generating unit and introduced into the sterilization chamber 102, and the ozone generating unit is disposed between electrodes such as glass or ceramic. Ozone is generated by applying high-pressure power to the electrode while sandwiching the dielectric and blowing air or oxygen through it. Each of the high-pressure water washing units 200A and 200B includes a water tank, a pump for pumping the water tank at high pressure, and a high-pressure water spraying unit for spraying the high-pressure water. Each of the air injection units (600A, 600B) includes a compressor for compressing air and an air injection unit for spraying the compressed air into the sterilization chamber (105). The steam sterilization unit (300A, 300B), the smoke screen sterilization unit (400A, 400B), the high-pressure water washing unit (200A, 200B) and the air spray unit (600A, 600B), respectively, steam, smoke, high-pressure water and air A solenoid valve for electronically controlling each injection is provided.

In addition, the tunnel-type shopping cart sterilization apparatus according to the present embodiment includes the high-pressure water washing unit (200A, 200B), the steam sterilization unit (300A, 300B), the smoke screen sterilization unit (400A, 400B), and the ozone sterilization unit (500) and a controller 1000 for electronically controlling the air injection units (600A, 600B). The controller 1000 includes the high-pressure water washing unit 200A, 200B, the steam sterilization unit 300A, 300B, the smoke sterilization unit 400A, 400B, the ozone sterilization unit 500, and the air spray unit ( and a main printed circuit board (PCB) having an electronic control circuit for electronically controlling 600A and 600B. In this embodiment, the controller 1000 is disposed on the side of the second sidewall 100D of the sterilization room 102 .

In addition, the tunnel-type shopping cart sterilizer according to the present embodiment includes a pressure sensor 710 for measuring the pressure in the sterilization chamber 102 and a front door detection sensor 720A for detecting the closing of the front door 112A. ), a rear door detection sensor 720B for detecting the closing of the rear door 112B, and a position adjacent to the rear door 112B so that it can be known whether the overlapping shopping carts 2 are loaded in a desired number. Including a shopping cart detection sensor 730 for detecting the shopping cart (2). The shopping cart detection sensor 730 may be a contact detection sensor such as a limit switch or a load cell. In this embodiment, the shopping cart detection sensor 730 may be installed on the inner surface of the rear door 112B. In addition, the shopping cart detection sensor 730 may be used in connection with, for example, a pneumatic cylinder type position adjusting unit 732 so that the distance from the rear door 112B can be adjusted.

In addition, in the tunnel-type shopping cart sterilization apparatus according to the present embodiment, the desired number of the shopping carts 2 are charged into the sterilization chamber 102 by the shopping cart detection sensor 730 and the front door 112A When it is confirmed that the sterilization chamber 102 is closed by closing of 740) may be further included. Although the sterilization chamber 102 maintains an airtight state, there is a risk that the air in the sterilization chamber 102 may leak, and ozone or a smoke film that may be harmful to the human body may leak together with the air. However, when the pressure inside the sterilization chamber 102 becomes negative by the pressure adjusting unit 740 , the risk of ozone or smoke film leaking out of the sterilization chamber 102 can be prevented in advance.

4 is a flowchart for explaining the operation control of the tunnel-type shopping cart sterilizer according to an embodiment of the present invention.

Referring to FIG. 4 together with FIGS. 1 to 3 , the controller 1000 of the multi-sterilizer performs the following control.

First, it is determined whether an appropriate number of shopping carts 2 are loaded in the sterilization chamber 102 (S1). The determination of whether the appropriate number of the shopping carts (2) is charged is based on the detection of the closing of the rear door (112B) by the rear door detection sensor (720B) and the detection of the shopping cart (2) at the loading end by the shopping cart detection sensor (730). can be judged by If an appropriate number of the shopping carts 2 is loaded, it is determined whether the sterilization chamber 102 is closed according to whether the front door 112A is closed by the front door detection sensor 720A (S2). When the sterilization chamber 102 in which the appropriate number of shopping carts 2 are charged is closed, the pressure in the sterilization chamber 102 is reduced by using the above-described pressure adjusting unit 740 ( S3 ). By the depressurization of the sterilization chamber 102, it is determined whether the pressure in the sterilization chamber 102 is equal to a preset reference pressure Pr (S4). When the pressure in the sterilization chamber 102 is equal to the reference pressure Pr, the high-pressure water washing units 200A and 200B are operated to wash the shopping carts 2 loaded in the sterilization chamber 102 with high-pressure water (S5). ). Next, it is determined whether the high-pressure water washing time reaches a preset first reference time T1 ( S6 ). When the high-pressure water washing time reaches the first reference time T1, the high-pressure water washing is terminated and steam sterilization is performed by operating the steam sterilization units 300A and 300B (S7). Next, it is determined whether the steam sterilization time reaches a preset second reference time T2 (S8). When the steam sterilization time reaches the second reference time T2, the smoke screen sterilization units 400A and 400B are operated to perform the smoke screen sterilization (S9). Next, it is determined whether the smoke screen sterilization time reaches a preset third reference time T3 (S10). When the smoke screen sterilization time reaches the third reference time T3, the ozone sterilization unit 500 is operated to perform ozone sterilization (S11). Next, it is determined whether the ozone sterilization time reaches a preset fourth reference time T4 (S12). When the ozone sterilization time reaches the fourth reference time T4, the ozone sterilization is stopped, and the air spraying units 600A and 600B are operated to spray air to the shopping carts 2 (S13). By the air jet, moisture remaining in the shopping cart can be quickly removed. Next, it is determined whether the air injection time reaches the fifth reference time T5 (S14), when the air injection time reaches the fifth reference time T5, the air injection of the air injection units 600A, 600B is stopped, and an alarm, etc. By using, inform the user of the completion of sterilization (S15). The step of removing ozone in the sterilization room 102 may be further added before the step of notifying the completion of sterilization, and the ozone removal in the sterilization room 102 sucks ozone in the sterilization room 102 and the inhaled ozone A catalyst that removes ozone through a chemical reaction with

5 is a schematic front cross-sectional view for explaining a tunnel-type shopping cart sterilizing apparatus according to another embodiment of the present invention, and FIG. 6 is a side cross-sectional view of the tunnel-type shopping cart sterilizing apparatus shown in FIG. 5 .

5 and 6 , in the tunnel-type shopping cart sterilizer according to this embodiment, as in the previous embodiment, the upper plate 100A, the lower plate 100B, and the first side plate 100C are formed of a stainless steel material. , a second side plate 100D, a front plate 100E, and a rear plate 100F to form a sterilization chamber 102 on the inside, and a front door 112A and the rear plate formed in the front plate 100E The sterilization room ( A high-pressure water washing unit for washing the shopping carts 2 with high-pressure water by spraying high-pressure water to the shopping carts 2 stacked and loaded in an appropriate number in the sterilization chamber 102 in the closed state. A steam sterilization unit for steam sterilizing the shopping carts 2 by spraying high-temperature steam to the shopping carts 2 loaded in the sterilization chamber 102 after the high-pressure water washing is completed. (300A, 300B) and, after completion of the steam sterilization, a smoke film sterilization unit 400A, which sprays a smoke film on the shopping carts 2 loaded in the sterilization room 102 to sterilize the shopping carts 2 , 400B), an ozone sterilization unit 500 for ozone sterilizing the shopping carts 2 by supplying ozone into the sterilization room 102, and after the ozone sterilization is completed, the high-pressure water washing and the steam sterilization and air spraying units (600A, 600B) for spraying air to the shopping carts (2) to remove moisture remaining in the shopping carts (2). At this time, the high-pressure water washing unit (200A, 200B) and the steam spraying unit (300A, 300B), which are dangerous during movement, and the ozone sterilization unit 500, which does not need to be moved, are integrally fixed to the support 11 as in the previous embodiment. On the other hand, the smoke screen sterilization units (400A, 400B) and the air injection units (600A, 600) are installed on the support (11) to be movable forward and backward in the direction of the arrow shown in FIG. To this end, a guide rail 112 is formed on the lower surface of the support 11 in the longitudinal direction, and a sliding block 114 is installed to be slidable along the guide rail 112 . The smoke screen sterilization unit 400A and the air injection units 600 and 600B are integrated with the sliding block 114 and move together as the sliding block 114 moves back and forth along the guide rail 112 . While doing so, it is possible to perform smoke screen sterilization and air spraying over the entire length section of the sterilization chamber 102 .

In addition, in the tunnel-type shopping cart sterilization apparatus according to the present embodiment, the center of the upper surface of the lower plate 100B of the booth 100 is positioned between the left and right wheels of the shopping carts 2 loaded in the sterilization chamber 102 . It further includes a cart alignment block 120 installed in the. When the shopping cart 2 is pushed into the sterilization chamber 102 while the cart alignment block 120 is positioned between the left and right wheels of the overlapping shopping carts 2, the shopping carts 2 are charged. In the process of being charged, it can be prevented from being biased in one direction. In addition, the tunnel-type shopping cart sterilizer is installed on the cart alignment block 120 to cover the UV LEDs 122 that irradiate the shopping carts 2 with UV for sterilization, and the UV LEDs 122 . It is coupled to the upper surface of the cart alignment block 120, and further includes a quartz plate (Quartz plate; 124) for transmitting UV emitted from the UV LED (108).

Since the rest of the configuration is substantially the same as that of the previous embodiment, an additional description thereof will be omitted.

7 is a schematic front cross-sectional view for explaining a tunnel-type shopping cart sterilizer according to another embodiment of the present invention.

Referring to FIG. 7 , the tunnel-type shopping cart sterilizer according to the present embodiment is formed of a stainless steel material, as in the previous embodiments, an upper plate 100A, a lower plate 100B, a first side plate 100C, and a second It is composed of a side plate 100D, a front plate 100E, and a rear plate 100F to form a sterilization chamber 102 inside, and a front door 112A and a rear plate 100F formed in the front plate 100E. A booth 100 having a sterilization chamber 102 opened and closed by a rear door 112B formed on the inside, and the front door 112A and the rear door 112B, In the closed state, a high-pressure water washing unit 200A for washing the shopping carts 2 with high-pressure water by spraying high-pressure water to the shopping carts 2 stacked and loaded in an appropriate number in the sterilization chamber 102, 200B), and a steam sterilization unit 300A, which steam-sterilizes the shopping carts 2 by spraying high-temperature steam to the shopping carts 2 charged in the sterilization chamber 102 after the high-pressure water washing is completed; 300B) and, after completion of the steam sterilization, a smoke film is sprayed onto the shopping carts 2 loaded in the sterilization chamber 102 to sterilize the shopping carts 2 with a smoke screen, the smoke screen sterilization units 400A and 400B) and an ozone sterilization unit 500 for supplying ozone into the sterilization room 102 to ozone sterilize the shopping carts 2, and after the ozone sterilization is completed, the high-pressure water washing and the steam sterilization and air spraying units 600A and 600B for spraying air to the shopping carts 2 to remove moisture remaining in the shopping carts 2 .

In addition, the tunnel-type shopping cart sterilizer according to this embodiment is positioned between the left and right wheels of the shopping carts 2 charged in the sterilization chamber 102 , like the previous embodiment shown in FIGS. 5 and 6 . It further includes a cart alignment block 120 installed in the center of the upper surface of the lower plate (100B) of the booth (100). In addition, the tunnel-type shopping cart sterilizer is installed on the cart alignment block 120 to cover the UV LEDs 122 that irradiate the shopping carts 2 with UV for sterilization, and the UV LEDs 122 . It is coupled to the upper surface of the cart alignment block 120, and further includes a quartz plate (Quartz plate; 124) for transmitting UV emitted from the UV LED (108).

In the previous embodiments, the high-pressure water washing unit (200A, 200B), the steam sterilization unit (300A, 300B), the smoke sterilization unit (400A, 400B), the ozone sterilization unit 500 and the air spray unit (600A, 600B) ) are all integrated in the sterilization module (M) installed on the upper surface of the top plate (100A) of the booth (100).

However, in this embodiment, only the steam sterilization unit (300A, 300B), the smoke sterilization unit (400A, 400B), the ozone sterilization unit 500 and the air spray unit (600A, 600B) of the booth 100, the top plate 100A ) integrated into the sterilization module M installed on the upper surface, and the high-pressure water washing units 200A and 200B are disposed on the left and right sides of the shopping carts 2 loaded in an overlapping state in the sterilization chamber 102 . While installed on the inner panel 130A and the second inner panel 130B, high-pressure water is sprayed to the side to sterilize the shopping carts (2). At this time, each of the first inner panel 130A and the second inner panel 130B includes a first panel transfer unit 132A and a second panel installed on the first side plate 100C and the second side plate 100D. It is configured to move left and right by the sending unit 132B, and accordingly, the distance between the first inner panel 130A and the second inner panel 130B is adjusted. Left and right unwanted movement of the shopping carts 2 between the first inner panel 130A and the second inner panel 130B of which the spacing is adjusted can be completely regulated. It is preferable that the first panel conveying part 132A and the second panel conveying part 132B are composed of a pneumatic cylinder, but other means may be employed.

In the same configuration as this embodiment, the first panel transfer unit 132A and the second panel transfer unit 132B cooperate with the cart alignment block 120 to form a shopping cart in which the sterilization chamber 102 is well aligned in a line. In a state in which the left and right movements of the (10) are strictly regulated, high-pressure water washing, steam sterilization, smoke sterilization, and air spraying operations can be performed, and the first located closest to the shopping cart (10) By installing the high-pressure water washing units 200A and 200B on the inner panel 130A and the second inner panel 130B, it is possible to maximize the cleaning efficiency with the high-pressure water.

Since the rest of the configuration is substantially the same as the previous embodiment, the description is omitted to avoid repetition.

112A.............................Front door
112B..............................Rear door
102 ............................... Sterilization room
100 ............................... Booth
2.............................Shopping cart
200A, 200B ..................High pressure water washing unit
300A, 300B ..................Steam Sterilization Unit
400A, 400B ...............Smoke screen sterilization unit
500A, 500B ..................Ozone sterilization unit
600A, 600B ..................Air injection unit

Claims (3)

It includes an upper plate 100A, a lower plate 100B, a first side plate 100C and a second side plate 100D, wherein the front entrance and the rear exit are opened and closed by the front door 112A and the rear door 112B a booth 100 having an elongated rectangular sterilization chamber 102 therein;
In a state in which the sterilization chamber 102 is closed by the front door 112A and the rear door 112B, high-pressure water is injected into the shopping carts 2 loaded in the sterilization chamber 102 in an overlapping state. , high-pressure water washing units (200A, 200B) for washing the shopping carts (2) with high-pressure water;
In a state in which the sterilization chamber 102 is closed by the front door 112A and the rear door 112B, high-temperature steam is sprayed onto the shopping carts 2 loaded in the sterilization chamber 102 in an overlapping state. , steam sterilizing the shopping carts (2), steam sterilization units (300A, 300B);
In a state in which the sterilization chamber 102 is closed by the front door 112A and the rear door 112B, a smoke film is sprayed onto the shopping carts 2 loaded in the sterilization chamber 102 in an overlapping state, Smoke sterilization units (400A, 400B) for sterilizing the shopping carts (2); and
In a state in which the sterilization chamber 102 is closed by the front door 112A and the rear door 112B, ozone is supplied into the sterilization chamber 102 to ozone sterilize the shopping carts 2 , ozone sterilization. comprising a unit 500,
The cart alignment block 120 installed in the center of the upper surface of the lower plate 100B so as to be located between the left and right wheels of the shopping carts 2 loaded in the sterilization chamber 102, and the cart alignment block 120 are installed Tunnel-type shopping cart sterilizer, characterized in that it further comprises UV LEDs 122 for irradiating ultraviolet rays to the shopping carts 2 and a quartz plate 124 arranged to cover the UV LEDs 122 . . The method according to claim 1, Air spraying units (600A, 600B) for spraying air to the shopping carts (2) to remove moisture remaining in the shopping carts (2) in the sterilization room (102); 102) A pressure sensor 710 for measuring internal pressure, a front door detection sensor 720A for detecting the closing of the front door 112A, and a rear door detection sensor for detecting the closing of the rear door 112B ( 720B) and at a position adjacent to the rear door 112B so as to determine whether the overlapping shopping carts 2 are loaded in a desired number, the shopping carts 2 at the end of the shopping carts 2 are detected. A shopping cart detection sensor 730, a pressure adjusting unit 740 for depressurizing the sterilization chamber 102 by sucking air in the sterilization chamber 102 while the sterilization chamber 102 is closed, and the high pressure Electronically control the water washing unit (200A, 200B), the steam sterilization unit (300A, 300B), the smoke sterilization unit (400A, 400B), the ozone sterilization unit 500 and the air spray unit (600A, 600B) It further comprises a controller 1000, the controller 1000, the closing detection of the rear door (112B) by the rear door detection sensor (720B) and the shopping cart (2) of the shopping cart detection sensor (730) By sensing, it is determined whether an appropriate number of shopping carts 2 are loaded in the sterilization room 102, and if an appropriate number of shopping carts 2 are loaded, the front door ( It is determined whether the sterilization chamber 102 is closed according to whether 112A) is closed, and if the sterilization chamber 102 in which the shopping carts 2 are loaded in an appropriate number is closed, the pressure adjusting unit 740 When the pressure in the sterilization chamber 102 is reduced using When the first reference time T1 is reached, the operation of the high-pressure water washing units 200A and 200B is stopped, while the upper When the steam sterilization unit (300A, 300B) is operated, and the steam sterilization time reaches the second reference time T2, the operation of the steam sterilization unit (300A, 300B) is stopped, while the smoke screen sterilization unit (400A, 400B) ), and when the smoke screen sterilization time reaches the third reference time T3, the operation of the smoke screen sterilization units 400A and 400B is stopped, while the ozone sterilization unit 500 is operated, and the ozone sterilization time is 4 When the reference time T4 is reached, the operation of the ozone sterilization unit 500 is stopped, while the air injection units 600A and 600B are operated, and when the air injection time reaches the fifth reference time T5, the air Tunnel type shopping cart sterilizer, characterized in that it is configured to stop the operation of the injection units (600A, 600B) and notify the user of the completion of sterilization using an alarm. delete

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