JP2016055151A - Sterilization device for kitchen - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sterilization device for kitchen which does not require special treatment to be performed on stored objects such as tableware, and which can sterilize the stored objects in a storage room in a short time by efficiently operating a xenon lamp.SOLUTION: A sterilization device for kitchen includes: xenon lamps 12a, 12a for irradiating a storage space 23 in a storage chamber 20 with ultraviolet rays; and a light emitting part 11 for supplying power to the xenon lamps 12a, 12a, and for emitting light and irradiating for a plurality of times intermittently by one sterilization operation.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a kitchen sterilization apparatus for sterilizing tableware stored in a storage.

  Conventionally, as shown in Patent Document 1, it has been proposed that tableware in a storage can be sterilized by irradiating ultraviolet rays with light emitted from a xenon lamp.

Japanese Patent Laid-Open No. 10-137098

  However, the thing of patent document 1 must be what the tableware which is the object of ultraviolet irradiation must form the layer containing a photocatalyst on the surface, and cannot sterilize any tableware.

  Patent Document 1 does not describe how the xenon lamp emits light and irradiates the object with ultraviolet rays. If the xenon lamp is operated for a long time, the power consumption is increased, and there is a possibility that a great operating cost is required.

  The present invention has been proposed in view of such circumstances. The purpose is to ensure that the stored items such as tableware do not have to be specially treated on the surface, and the xenon lamp can be operated efficiently to sterilize the stored items in the storage in a short time. The object is to provide a kitchen sanitizer.

  In order to achieve the above object, the kitchen disinfection device of the present invention supplies a xenon lamp that irradiates ultraviolet light to the storage space of the storage, and supplies power to the xenon lamp, and intermittently performs a plurality of times in a single sterilization operation. And a light emitting unit for emitting and emitting light.

  According to the kitchen sterilization apparatus of the present invention, since it has the above-described configuration, the xenon lamp can be efficiently operated to sterilize the stored items in the storage box almost certainly in a short time. Moreover, it is not necessary to perform the special process on the surface of the tableware used as object, and any storage thing can be made into the object of disinfection.

It is a basic control block diagram of the kitchen sterilizer concerning one embodiment of the present invention. It is a fragmentary perspective view of the kitchen unit which has the sterilization apparatus for kitchens. It is a schematic longitudinal cross-sectional perspective view of the sterilization apparatus for kitchens. (A), (b) is a schematic longitudinal cross-sectional view which shows two examples of the accommodation mode of a cutting board. It is a schematic diagram which shows the positional relationship of a xenon lamp and the cutting board mounted on the flat placing part. (A) is a schematic longitudinal cross-sectional view, (b) is a schematic cross-sectional view. It is explanatory drawing of the basic operation | movement of the disinfection apparatus for kitchens. (A) is each sterilization exclusive mode, (b) is each schematic flowchart of drying mode. It is a time chart which shows the light emission timing of a xenon lamp. It is a charge / discharge term chart of a capacitor.

  Embodiments of the present invention will be described below with reference to the accompanying drawings. First, the basic configuration of the kitchen sterilization apparatus will be described.

  The kitchen sterilization device is a device for sterilizing tableware stored in the storage space 23 of the storage 20. As a sterilization apparatus for kitchens, there are apparatuses equipped with various storage boxes 20 for sterilizing tableware in the cabinet, such as a cabinet dedicated to sterilization of tableware, a dish drying cabinet 1, and a dishwasher drying cabinet. Can be mentioned. The stored items include not only tableware 7 but also tableware including cooking utensils such as cutting board 5 and knife and cloth 6 (see FIGS. 4A and 4B).

  The kitchen sterilization apparatus according to the following embodiment supplies power to the xenon lamp 12a that irradiates the storage space 23 of the storage 20 with ultraviolet rays and the xenon lamp 12a, and intermittently performs a plurality of times in a single sterilization operation. And a light emitting unit 11 that emits and emits light (see FIG. 1 and the like).

  Next, a detailed configuration of the kitchen sterilization apparatus will be described with reference to FIGS.

  As shown in FIG. 1, the tableware drying cabinet 1 includes a CPU and the like, and includes a control / monitoring unit 10 that controls and monitors each unit. The tableware drying cabinet 1 includes an irradiation unit 12 including three xenon lamps 12 a, 12 a, and 12 a, supplies power to them, and operates them in cooperation with the control / monitoring unit 10. And. The light emitting unit 11 includes a capacitor 11 a for supplying power to the irradiation unit 12. The control / monitoring unit 10 and the light emitting unit 11 function as a voltage monitoring unit that monitors the voltage of the capacitor 11a, as will be described later.

  The tableware drying cabinet 1 further includes a drying unit 13 that operates a drying mechanism 13 a having a fan (not shown), a ventilation duct (not shown), and the like in cooperation with the control / monitoring unit 10. Further, the tableware drying cabinet 1 further includes a mode setting unit 14 in which a switching operation between a drying mode and a sterilization-only mode is performed, an operation unit 15 in which other setting operations and start operations are performed, and a notification unit 16 that notifies an abnormality. I have.

  As shown in FIG. 2, the tableware drying cabinet 1 is a drawer-type drying cabinet incorporated below the top plate of the kitchen unit 3, and is a space inside the box 21 of the box 21 formed in the kitchen unit 3. Thus, the physical structure is such that the drawer-type storage unit 22 can be freely inserted and removed.

  The internal space of the storage unit 22 is used as a storage space 23 for tableware, and the sterilization and drying operations can be performed in a state in which the storage unit 22 is closed and the storage space 23 is stored in the box space. . These sterilization and drying operations are performed by user operations. As shown in FIG. 2, the operation unit 15 is disposed on the opening side of the box body 21 in a state where operation buttons and the like are exposed to the outside so as to be operable.

  As shown in FIG. 2, the operation unit 15 is arranged at the widthwise end (on the right side in FIG. 2) of the upper portion of the box body 21 so that the operation buttons and the like are exposed to the outside. Yes. The operation unit 15 is also provided with a notification unit 16 that outputs an alarm sound. An intake port 21 a for taking in external air is formed below the operation unit 15. Further, an exhaust port 21b is formed at the other end in the width direction at the upper part of the opening side of the box body 21.

  As will be described later, a drying mechanism 13a and the like are disposed in the upper space in the box 21 (see FIG. 3). When the drying operation is performed with the storage unit 22 closed, the air taken in from the intake port 21a is taken into the storage space 23 via the drying mechanism 13a, while the air accumulated in the storage space 23 is exhausted. It comes out from 21b.

  3 to 5 are diagrams schematically showing the inside of the storage 20 of the tableware drying cabinet 1. 3 is a longitudinal sectional perspective view, FIGS. 4A and 4B are schematic longitudinal sectional views, FIG. 5A is a schematic longitudinal sectional view, and FIG. b) is a schematic cross-sectional view. FIG. 2 illustrates a state in which the storage unit 22 is pulled out. FIGS. 3 to 5 are views illustrating a state in which the storage space 23 of the storage unit 22 is a closed space.

  The front of the box 21 is open, and the storage portion 22 can be taken in and out of the opening. As shown in FIG. 3, a partition plate 24 is attached to the upper part of the space in the box 21. In the partition space 24a between the partition plate 24 and the ceiling portion of the box body 21, a drying mechanism 13 having a fan (not shown), a ventilation duct (not shown), various electronic components, a substrate, and the like are disposed. Has been. Further, the xenon lamps 12a and 12a constituting the irradiation unit 12 are assembled in an opening 24c provided on the bottom plate of the partition plate 24 so as to face the lower storage space 23.

  The three xenon lamps 12a and 12a are arranged in a straight line substantially at the center in the width direction of the box body 21 (see FIG. 5B). The xenon lamp 12a has a UV xenon tube 12b.

  A space adjacent to the partition space 24a via the partition plate 24 is a spare space 24b. As shown in FIG. 1, the spare space 24 b can be connected to the storage space 23 of the storage unit 22 to be a long space in the height direction when the storage unit 22 is stored in the box 21 (closed state). That is, the spare space 24 b can be used as a part of the storage space 23.

  On the other hand, the drawer-type storage unit 22 includes a front plate 22a (see FIG. 1), a back plate 22b (see FIG. 2), and a bottom plate 22c (see FIG. 2) as an outer shell. The front plate 22a and the back plate 22b are connected by a plurality of connecting rods 22d, 22d,... And a bottom plate 22c. A side plate may be provided instead of or in addition to the connecting rods 22d, 22d,. Further, a handle 22e protruding forward is formed at the upper end of the front plate 22a (see FIG. 1). In addition, an opening window 22ba through which air from a blower opening (not shown) of the ventilation duct of the drying mechanism 13a described above can be taken into the storage space 23 is provided in the lower part of the back plate 22b.

  Inside the storage unit 22, there are further provided a table holder 25, a standing part 27 for standing the cutting board 5, a flat part 26 for placing the cutting board 5 flat, and a cloth hanging part 29 for hooking the cloth width. Is arranged. These are configured by arranging rod-shaped members made of stainless steel so as to span between inner walls.

  The tableware storage unit 25 is composed of a net plate portion in which a plurality of rod-like bodies 25a, 25a are provided at intervals for draining water, and is arranged slightly above the bottom plate 22c. The rod-like bodies 25a and 25a are installed between connecting rods 22d and 22d that connect the front plate 22a and the back plate 22b (see FIG. 2 and the like).

  The standing portion 27 is disposed at a height position substantially at the center of the storage space 23 below the spare space 24b. The standing portion 27 is composed of three bars (left bar portions) provided so as to be arranged at a predetermined interval so as to connect the front plate 22a and the back plate 22b. The cutting board 5 is vertically long and can be stood up (see FIGS. 3 and 4B). FIG. 4B shows a state in which the cutting board 5 is leaned up.

  The flat placing part 26 is composed of four sticks provided at the same height as the left stick part so as to connect the standing part 27 (left stick part) described above, and the front plate 22a and the back plate 22b. It consists of the right bar part 28 (refer FIG. 3, FIG. 4 (a)). As shown in FIG. 4A, the cutting board 5 can be placed flat on the flat placing portion 26. That is, the flat placing portion 26 can be installed with the cutting board 5 with its surface (cooking surface) facing upward.

  The cloth hanging part 29 is arranged at the upper part of the storage space 23, and is composed of four bars arranged at a predetermined interval in the width direction so as to connect the front plate 22a and the back plate 22b. (See FIG. 3 etc.).

  The bar constituting the cloth hanging portion 29 and the uppermost connecting rod 22d can be removed so that the cutting board 5 can be easily placed flat as shown in FIG. It should be noted that a separate installation stand may be provided, and the installation stand may be appropriately replaced so that it can be used for the cloth hanging portion 29 or the right bar portion 28.

  When the chopping board 5 is erected using the erection part 27, as shown in FIG. 4B, the upper part of the chopping board 5 extends to the spare space 24b. In other words, when the cutting board 5 is placed upright, the spare space 24 b is used as the storage space 23.

  As described above, in the tableware drying cabinet 1, the spare space 24 b that can be a part of the storage space 23 is formed next to the partition space 24 a in which the drying mechanism 13 a and the irradiation unit 12 are arranged. The storage space 23 can be enlarged. In particular, a sufficient space can be ensured in the height direction.

  Next, a mode of sterilization of the stored items by the xenon lamps 12a, 12a and 12a of the irradiation unit 12 will be specifically described.

  The xenon lamp 12a is configured to output ultraviolet rays by emitting light. As shown in FIGS. 3 and 4, the three xenon lamps 12 a, 12 a, and 12 a of the irradiating unit 12 are directed downward to irradiate the storage space 23 with ultraviolet rays.

  As described above, the xenon lamp 12a includes the UV xenon tube 12b (see FIG. 3). This UV xenon tube 12b has been experimentally shown to have an ultraviolet irradiation range of about 420 mm × 230 mm when emitting light 70 mm downward from the position. Therefore, if three xenon lamps 12a are arranged in a straight line and a flat portion 26 is provided approximately 70 mm below the xenon lamp 12a, the entire surface of one of the cutting boards 5 having a standard size is directly irradiated with ultraviolet rays. can do.

  In the present embodiment, the xenon lamp 12a has three xenon lamps 12a, 12a, and 12a arranged in a straight line so that the longitudinal direction thereof matches the depth direction of the storage space 23 (FIG. 5A). b)).

  When the operation unit 15 is operated, the light emitting unit 11 causes the plurality of (three in this example) xenon lamps 12a, 12a, and 12a to emit light in cooperation with the control / monitoring unit 10, and the plurality of xenon lamps 12a. , 12a, 12a are configured to perform an ultraviolet irradiation operation. This irradiation operation is performed under two types of operation modes, a sterilization-only mode and a drying mode (see FIGS. 6A and 6B). These two types of operation modes are set to one by the mode setting unit 14.

  The sterilization dedicated mode is a mode in which only the sterilization of the tableware in the storage 20 is performed by the ultraviolet irradiation of the xenon lamp 12a (S101 in FIG. 6A). On the other hand, the drying mode is a mode in which the drying of the dishes by the drying unit 13 and the sterilization of the dishes by the ultraviolet irradiation of the xenon lamp 12a are executed (S201 and S202 in FIG. 6B). In this drying mode, sterilization is performed after drying is completed.

  Since the mode for exclusive use of sterilization is a mode that can be used regardless of the use of drying, it can be used for sterilization of dishes such as the cutting board 5 that need to be frequently washed for each food during cooking. it can.

  In such a sterilization dedicated mode, at least for the cutting board 5, as shown in FIGS. 4A and 5, the cutting board 5 may be placed flat. If the cutting board 5 is placed flat in this way, the ultraviolet rays irradiated from the xenon lamp 12a can be directly received by the cooking surface of the cutting board 5. Therefore, efficient sterilization of the cutting board 5 can be performed.

  In addition, the execution of the drying mode is intended to dry a large number of dishes after washing after eating. Therefore, as shown in FIG. 4 (b), in this mode, the tableware 7 is placed on the tableware placing portion 25, the cutting board 5 is placed on the cutting board stand portion 27, and the cloth width 6 is hung on the cloth width hanging portion 29. It is desirable to do.

  As described above, since the tableware drying cabinet 1 can sterilize tableware in two modes, it can be used properly depending on the sterilization target.

  In particular, since the sterilization-only mode is a mode in which only sterilization is performed without drying the dishes, only sterilization can be performed quickly. For example, as described above, it is desirable that the cutting board 5 is frequently washed and sterilized for each food during cooking. However, since sterilization is possible in the sterilization-only mode, drying is performed. Without sterilization, only sterilization can be performed. Since this sterilization operation is completed in a short time as will be described later, the cutting board 5 can be cleaned in a short time even when it is performed during cooking so that another food can be cooked immediately. It is highly convenient. Of course, not only the cutting board 5 but also the kitchen knife, the cloth cloth 6 and the tableware 7 can be sterilized in a short time, which is convenient.

  Further, in the drying mode, the sterilization operation is continuously performed after the tableware drying operation, so that forgetting to sterilize after drying can be prevented. Note that whether or not the sterilization operation in the dry mode can be executed may be selected by setting by the operation unit 15.

  Moreover, according to such tableware drying cabinet 1, since it is not necessary to perform the special process on the surface of the target tableware etc. in the case of ultraviolet irradiation, it can be accommodated irrespective of the kind of tableware. Any tableware of any size can be sterilized.

  Furthermore, this tableware drying cabinet 1 is particularly effective for a large sized board such as a cutting board 5 that is difficult to soak in a sterilizing solution. Moreover, according to this tableware drying store | warehouse | chamber 1, since chemical substances, such as a disinfection liquid, are not used, it can be utilized in comfort.

  Next, an operation mode of light emission of the irradiation unit 12 (a plurality of xenon lamps 12a, 12a, 12a) will be described.

  The plurality of xenon lamps 12a, 12a, and 12a are controlled such that each emits light a plurality of times intermittently in one sterilization operation. Further, the xenon lamps 12a, 12a, and 12a are configured so that each xenon lamp 12a emits light in order, and has an operation configuration that repeats light emission as shown in the time chart of FIG.

  As described above, the tableware drying cabinet 1 of the present embodiment has a configuration in which the light emitting unit 11 controls the irradiation unit 12 (the plurality of xenon lamps 12a, 12a, 12a) in cooperation with the control / monitoring unit 10. Yes.

  In the example of the present embodiment, each of the xenon lamps 12a is turned on (light emission) once, as shown in FIG. 7, is instantaneous pulse light emission, and each xenon lamp 12a emits light several times to 10 times. It has a configuration. According to the experiments by the present inventors, it has been confirmed that even pulse light emission has a sterilizing effect, and 99% or more are sterilized by a total of 20 luminescences (irradiation to the cutting board 5). For example, in a few minutes, the three xenon lamps 12a, 12a, and 12a may emit light a total of 20 times.

  As described above, the tableware drying cabinet 1 has a configuration in which the xenon lamp 12a emits pulses and operates intermittently in a single sterilization operation, so that the amount of electric power used can be reduced and the xenon lamp 12a can be extended. . In addition, since the plurality of xenon lamps 12a, 12a, and 12a are used, deterioration of the individual xenon lamps 12a, 12a, and 12a can be further slowed down.

According to a comparison experiment of the xenon lamp 12a (UV xenon tube 12b) with the UV lamp (10W type), it has been found that there is the following difference.
(A) The irradiation energy of the UV xenon tube 12b is about 13 times that of the UV lamp in the case of direct irradiation of 70 mm. Therefore, even pulse emission is effective.
(B) The UV lamp requires continuous light emission, but the UV xenon tube 12b only needs pulse light emission, so that the irradiation time can be reduced. For example, when the UV xenon tube 12b is caused to emit light twice (pulse emission, pause, pulse emission), if the pause is set to 5 seconds, it is 1 of the irradiation time when trying to obtain the same irradiation energy with the UV lamp. / 3 hours of operation time is sufficient.
(C) Since the UV lamp is a fluorescent lamp, if it is used at 5 ° C. or lower and 40 ° C. or higher, its life is shortened.
(D) The UV lamp has poor low temperature startability and is slow to start up. Since start-up is slow, the sterilization ability at the start may be low. The UV xenon tube 12b has a constant sterilization ability.
(E) The UV lamp uses mercury, but the UV xenon tube 12b does not use mercury. In other words, there is an environmental advantage.

  In addition, since only one light emitting unit 11 that supplies power to and controls the irradiation unit 12 is provided for the three xenon lamps 12a, 12a, and 12a, the configuration is not large and the manufacturing cost is kept low. Can do.

  The light emission mode of the xenon lamps 12 a, 12 a, and 12 a described above may be changed by the operation unit 15. For example, in consideration of targeting the cutting board 5 having a small cooking surface, it may be possible to change to a configuration using only two adjacent xenon lamps 12a and 12a. Also, the on (pulse) time, the number of times of on, the on interval, etc. of the xenon lamp 12a may be changed.

In this way, by allowing the user to change the setting of the light emission mode, the sterilization performance can be further improved, the sterilization efficiency can be improved, or the power consumption can be further reduced according to the usage mode. Can do. For example, the light emission mode can be easily changed according to the type of the target bacteria.

  Next, the charge / discharge abnormality detection of the capacitor 11a for supplying power to the xenon lamps 12a, 12a, 12a will be described with reference to FIG. The capacitor 11a is configured to supply electric power every time the xenon lamps 12a, 12a, and 12a emit light under the control of the control / monitoring unit 10.

  The upper time chart of FIG. 8 shows the light emission timing of pulse light emission of the three xenon lamps 12a, 12a, 12a in FIG. Further, the time chart at the bottom of FIG. 8 is a diagram showing the charging / discharging timing of the capacitor 11a.

  At the time of the sterilization operation, as shown in FIG. 8, the capacitor 11a is discharged by the pulse emission of the xenon lamps 12a, 12a, 12a, and then repeats the periodic operation of charging until the next pulse emission timing. It has become.

  In the tableware drying cabinet 1, the control / monitoring unit 10 cooperates with the light emitting unit 11 to detect the voltage of the capacitor 11 a in accordance with the above-described periodic operation, so that it is possible to determine a discharge abnormality and a charging abnormality. Yes. In the time chart at the bottom of FIG. 8, the voltage detection timing for determining a discharge abnormality is indicated by a circle, and the voltage detection timing for determining a charging abnormality is indicated by a cross.

  Specifically, when the pulse emission cycle is set to 4 seconds, the control / monitoring unit 10 cooperates with the light emission unit 11 and 0.5 seconds after the pulse emission (light emission command timing) (see FIG. The voltage of the capacitor 11a is detected at (circle mark in 8). Then, the control / monitoring unit 10 cooperates with the light emitting unit 11 to determine that there is a discharge abnormality when detecting that the detected voltage is equal to or lower than the discharge specified voltage V1, and notifies the notification unit 16 of the abnormality. Let In the illustrated example, in the time chart, an abnormality is determined by voltage detection after the fourth pulse emission. When such a discharge abnormality is detected twice in succession, the control / monitoring unit 10 determines that the abnormality is almost sure and stops the sterilization operation.

  Thus, the user can know abnormalities such as the performance deterioration of the xenon lamps 12a, 12a, 12a and the circuit (light emitting unit 11) by notifying the abnormality by notifying the discharge abnormality. Moreover, since the sterilization operation is stopped due to the occurrence of the discharge abnormality twice in succession, it is possible to avoid the use in the performance deterioration state.

  Further, when the voltage of the capacitor 11a is detected 3.9 seconds after the pulse emission (marked with x in FIG. 8), and it is detected that the detected voltage is equal to or lower than the specified voltage V2 during charging, it is determined that the charging is abnormal. Then, the notification unit is notified of the abnormality. With respect to this charging abnormality, the sterilization operation may be stopped by continuous occurrence.

  In the above, what was integrated in the kitchen unit 3 as the tableware drying cabinet 1 was illustrated. Thus, since the tableware drying cabinet 1 is built in the kitchen unit 3, it is convenient. In particular, it is effective when disinfecting the large cutting board 5 that is frequently used during cooking. Since the xenon lamp 12a is configured to irradiate ultraviolet rays downward as in the above example, in order to disinfect the cutting board 5, the flat placing part 26 with the cutting surface 5 facing the cooking surface upward. It only needs to be placed on the unit and is extremely easy to use.

  Moreover, although the tableware drying store | warehouse | chamber 1 was illustrated as a sterilization apparatus for kitchens, the dishwasher drying store | warehouse | chamber and the storage container only for sterilization may be sufficient. Furthermore, the kitchen sterilization apparatus may not be incorporated in the kitchen unit 3.

  Moreover, although the example of the above-mentioned embodiment becomes a structure which irradiates the ultraviolet-ray from the upper direction to the cutting board 5 arrange | positioned horizontally, the structure irradiated from the downward direction may be sufficient, and with respect to the cutting board 5 installed vertically The structure which irradiates from the side may be sufficient. Further, the cutting board 5 may be an internal structure in which the cloth width 6 is a main object, not the main irradiation object of ultraviolet rays. Thus, any internal structure may be used as long as at least the irradiation unit 12 (xenon lamp 12a) irradiates ultraviolet rays to any part of the storage space 23.

  Moreover, in the example of the above-described embodiment, the flat placing portion 26 is disposed about 70 mm below the xenon lamp 12a. However, the rod may be replaced so that this distance can be changed.

  Moreover, the structure which does not have the flat placing part 26 for laying down the cutting board 5 may be sufficient as the tableware drying cabinet 1. FIG. For example, in a case that can accommodate a separate draining basket, the cutting board 5 may be placed on the draining basket so as to receive ultraviolet rays from above.

1 Tableware dryer (kitchen disinfection device)
3 Kitchen unit 5 Cutting board (tableware)
10 Control / Monitoring Unit (Voltage Monitoring Unit)
11 Light Emitting Unit (Voltage Monitoring Unit)
11a Capacitor 12 Irradiation part 12a Xenon lamp 15 Operation part 20 Storage 26 Flat part V1 Discharge specified voltage V2 Charge specified voltage

Claims (7)

  A xenon lamp that irradiates the storage space of the storage with ultraviolet rays, and a light emitting unit that supplies power to the xenon lamp and emits and emits light multiple times intermittently in one sterilization operation. Kitchen sanitizer. In claim 1,
A kitchen sterilization apparatus in which a plurality of the xenon lamps are arranged, and the xenon lamps emit and emit light in order. In claim 2,
The said light emission part is a disinfection apparatus for kitchens which becomes the structure which carries out light emission control of these xenon lamps. In any one of Claims 1-3,
A kitchen disinfection device further comprising an operation unit capable of setting and changing the light emission mode of the xenon lamp. In any one of Claims 1-4,
The storage is built under the top of the kitchen unit,
The xenon lamp is arranged in the upper part of the storage and is configured to irradiate ultraviolet rays downward.
A sterilization apparatus for a kitchen, in which a flat portion that can be installed with a cutting board facing upward is formed in the storage. In any one of Claims 1-5,
The light emitting unit has a capacitor for supplying electric power for each light emission of the xenon lamp,
A kitchen monitor, further comprising a voltage monitoring unit that detects a voltage when the capacitor is discharged after the xenon lamp emits light and detects that the detected voltage is equal to or lower than a specified voltage during discharge. Bacteria device. In claim 6,
The said voltage monitoring part detects the voltage at the time of charge of the said capacitor | condenser, and alert | reports abnormality, if it detects that it is more than the regulation voltage at the time of charge, The kitchen disinfection apparatus.

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