JP7037944B2 - Bed type sterilizer - Google Patents

Description

The present invention relates to a bed-type sterilizer that can be applied to various beds such as beds for beds, beds for nursing care facilities, home beds, and beds for accommodation facilities.

For some time, hospitals have been required to maintain a hygienic environment due to the gathering of an unspecified number of people and the presence of sick people. Recently, even in ordinary households, countermeasures against viruses and bacteria such as new influenza have been required. In hospitals, there are pathogens caused by inpatients and outpatients, and pathogens brought in by visitors and the like. In the home, the resident may bring back the pathogen from the outside, or the visitor may bring in the pathogen.

For one thing, hospitals naturally have many inpatients. Inpatients use bed beds installed in hospitals. Beds for beds are installed in hospital rooms, but they may be large rooms with a large number of people or rooms where third parties enter and exit, except for special rooms such as isolated private rooms and sterile rooms. .. The entry and exit of a third party can occur even in a private room, as long as it is not a special private room.

In such a large room or a hospital room where a third party (visitors, medical staff, etc.) enters and exits, bacteria and viruses are transmitted not only by the inpatients themselves but also by other inpatients in the same room and third parties entering and exiting. May be brought in. Of course, the recent virus carried by the inpatient may be excreted around him by coughing, sneezing, or other physiological phenomena. For this reason, many bacteria and viruses are likely to be present around the bed.

This is not limited to hospital rooms, but even for temporary treatment and consultation beds, around the treatment and consultation beds due to patients, healthcare professionals, third parties, and other reasons. However, it is easy for many bacteria and viruses to be present.

In addition, there are not only inpatients in hospitals but also patients who require long-term treatment at home due to long-term treatment or bedridden patients requiring long-term care. Similar to inpatients in hospitals, such home-treated patients also have bacteria and viruses that are discharged from their own bacteria and viruses, and that are carried by family members and visitors, etc., in the treatment bed. It tends to exist in the surroundings.

Alternatively, the same situation is likely to occur not only in hospitals and homes, but also in long-term care beds in long-term care facilities and facilities for the elderly. People requiring long-term care and the elderly living in nursing care facilities and facilities for the elderly often carry bacteria and viruses, and many unspecified third parties bring in bacteria and viruses.

The inpatients, home care patients, care recipients, elderly people, etc. mentioned here have weakened immunity to bacteria and viruses, and there is concern about adverse effects on their treatment. In recent years, there has also been a serious problem of secondary infection in the hospital with weakened physical strength and immunity.

For this reason, it is possible for inpatients to have many bacteria and viruses around the bed, treatment bed, examination bed, home treatment bed, care bed in a care facility, etc. This is not preferable for outpatients, home care patients, care recipients, elderly people, etc.

In addition, not only inpatients, home care patients, and people requiring long-term care who have weakened physical strength and immunity, but also ordinary people who think that they are healthy by themselves, bacteria and viruses are around while sleeping. It is not desirable that there are many. During sleep, the immune system is weakened, and the presence of many bacteria and viruses around oneself during sleep is not preferable for the healthy general public.

However, even at home, the person or family may bring in bacteria or viruses from the outside. Alternatively, family members and visitors may bring in bacteria and viruses. Alternatively, the guest goes to bed in bed at an accommodation facility instead of at home. Although the accommodation facilities are cleaned, it is a place where an unspecified number of guests take turns and stay. For this reason, some guests may be in poor health, and bacteria and viruses may be introduced into the accommodation room.

Accommodation rooms are often limited closed spaces, and bacteria and viruses brought in tend to stay in the room. At this time, the guest sleeping in the accommodation bed is likely to be adversely affected by this bacterium or virus while sleeping. Of course, even healthy guests may develop some kind of illness if they are adversely affected.

Thus, in many places, many people often go to bed (or live on the bed for treatment or care). As mentioned above, many bacteria and viruses are present around this bed. These bacteria and viruses can also cause problems such as harm to health, adverse effects on treatment and cure, and more severe consequences of nosocomial infections.

In this way, reducing the adverse effects of bacteria and viruses around beds in various places (especially hospitals, long-term care facilities, elderly facilities, home care, etc.) promotes treatment and healing as well as maintaining health. , Has become a very important issue from the viewpoint of prevention of nosocomial infections.

It is required to prevent the adverse effects of bacteria and viruses in such hospital rooms, and some techniques have been proposed. Various sterilizing devices for sterilizing or sterilizing bacteria and viruses existing in the indoor air are provided (see, for example, Patent Documents 1 to 3). A box-type sterilizer has also been proposed (see, for example, Patent Document 4).

Japanese Patent Application Laid-Open No. 2003-220122 Japanese Unexamined Patent Publication No. 2005-106296 Japanese Unexamined Patent Publication No. 11-192405 Japanese Unexamined Patent Publication No. 11-47257

Patent Documents 1 to 3 disclose a sterilizer that takes in air by intake air and sterilizes the air circulating inside the sterilizer with ultraviolet rays or a photocatalyst.

Patent Document 1 discloses a deodorizing method in which air taken in by a suction fan is sterilized by ultraviolet rays and a photocatalyst. It is installed in workplaces, hospitals, homes, etc. and is used to deodorize indoor air.

However, the deodorizing method disclosed in Patent Document 1 and this device have a problem that they are very large-scale and the installation place in the room is limited. Further, the device disclosed in Patent Document 1 merely functions as a deodorizing device (sterilizing device), and cannot be used, for example, as a partition for partitioning adjacent seats or people. As measures against bacteria and viruses in the room, it is necessary not only to sterilize but also to block the traffic of air where necessary. However, the device disclosed in Patent Document 1 cannot block the traffic of air.

Patent Document 2 discloses an air conditioning system that sucks air in the entire room, sterilizes it, and then returns the air in a special environment such as a clean room. Although it is excellent in that it can sterilize the air in the entire room and treat microorganisms, it is difficult to install it in a general workplace, hospital, or home. Further, in these general rooms, it is not required to suck and sterilize the air in the entire room.

Therefore, the air conditioning system disclosed in Patent Document 2 has a problem that it cannot be applied in a general room.

Patent Document 3 discloses a photocatalyst unit mounted on an air introduction path of an air conditioner, which sterilizes indoor air sucked during operation of the air conditioner.

However, the photocatalyst unit disclosed in Patent Document 3 has a problem that it can only be installed indoors by being mounted on an air conditioner. That is, there is a problem that the air flow cannot be blocked by selecting the installation location. Of course, there is also a problem that the sterilization function does not work because air is not sucked while the air conditioner is stopped. That is, the photocatalyst unit disclosed in Patent Document 3 has a problem that it is difficult to use unless it is linked with an air conditioner.

The techniques disclosed in Patent Documents 1 to 3 can sterilize indoor air, but they can be easily installed in general indoors such as hospitals, workplaces, and homes, and also have a function of blocking air traffic. It is not feasible.

Patent Document 4 discloses a sterilizer that sucks air and sterilizes the air sucked by an ultraviolet ray or a photocatalyst, similarly to Patent Documents 1 to 3. Unlike Patent Documents 1 to 3, the sterilizer is box-shaped, so that it has the advantage of being somewhat easier to install.

However, the sterilizer disclosed in Patent Document 4 also has a function of shielding the traffic of air only by increasing the ease of installation.

As described above, the prior art described in Patent Documents 1 to 4 and the like discloses a technique for executing the big concept of sterilization, but a concept for reducing the adverse effects of bacteria and viruses on the bed in various places. Is not considered. Therefore, the prior art has the following problems.

(Problem 1) It only roughly sterilizes the entire room, and intensive bacteria and viruses around the bed, which is the living space for inpatients, treated patients, care recipients, and other sick people with weakened immunity. I can't take measures.

(Problem 2) Even if the invasion of bacteria into the living space of inpatients, treated patients, etc. can be suppressed by partitions, etc., the bed is a place where the human body's ability to respond is weakened, such as during sleep or treatment. Insufficient response to bacteria and viruses in.

(Problem 3) Even if the conventional technology is applied to sterilization near the bed, bacteria and viruses inside the surrounding space such as inpatients, treatment patients, and care recipients sleeping in the bed are intensively removed and killed. Difficult to defend. In particular, there are problems that sterilization is insufficient, invasion is facilitated, and it is difficult to kill invading bacteria at an early stage.

(Problem 4) In combination with Problems 1 to 3, there are insufficient measures against bacteria and viruses in the bed, which is the most susceptible to bacteria and viruses for inpatients, treated patients, care recipients, and the general public. ..

In view of these problems, the present invention is a bed-type sterilizer that can reliably take measures against bacteria and viruses in a bed, which is the most susceptible to bacteria and viruses for inpatients, treated patients, care recipients, ordinary people, and the like. The purpose is to provide.

In order to solve such a problem, the bed-type sterilizer of the present invention includes a head-side member provided on the head side of the user at bedtime and a foot-side member provided on the foot side of the user at bedtime. A bed-type sterilizer provided with a sterilizing unit for sterilizing bacteria or viruses contained in air, the first opening provided in the head side member and the second opening provided in the foot side member. With an opening, the first opening and the second opening are communicated via the sterilizing portion, and air is sucked from either the first opening or the second opening. Air is discharged from the first opening or the other of the second opening.

It is desirable that the bed-type sterilizer of the present invention further includes a main body portion for connecting the head side member and the foot side member, and the sterilizer portion is provided inside the main body.

The bed-type sterilizer of the present invention further includes a seating surface member on which the bedding is placed, and each of the head side member and the foot side member is above the seating surface of the bedding surface of the seating surface member. It is desirable to be provided.

It is desirable that the first opening and the second opening face each other.

It is desirable that the air sterilized by the sterilizing portion is discharged from the first opening or the other of the second opening.

It is desirable that air is sucked from the first opening and air is discharged from the second opening.

An air suction part that sucks air from one of the first opening or the second opening, and an air discharge part that discharges air from the other of the first opening or the second opening. It is desirable to prepare.

It is desirable that the air suction portion is a suction fan corresponding to either the first opening or the second opening.

It is desirable that the air discharge portion is a discharge fan corresponding to either the first opening or the second opening.

The bed-type sterilizer of the present invention forcibly sucks bacteria and viruses around the bed together with the surrounding air to surely sterilize the bed as it moves inside the structure of the bed. In particular, by performing suction and discharge at the opposite remote positions of the bed, the sucked air can be efficiently moved inside the structure of the bed. By killing the inhaled bacteria and viruses in the air during this movement, the bacteria and viruses in the air around the bed can be reduced.

In addition, by sucking and discharging air at the opposite remote positions of the bed, bacteria and viruses in the air around and above the sleeping user in the bed are efficiently sterilized.

As a result, when the user is sleeping in the bed, a pseudo sterile space is formed around the user, and the influence of bacteria and viruses on the patient and the like can be reduced. Since this pseudo-sterile space is not formed by a physical curtain or the like, there is no sense of physiological or mental pressure on the user, and there is inconvenience in treatment by medical staff and care by caregivers. do not have.

As a result, the health of users who use various beds such as beds for beds, treatment beds, nursing beds, home beds, and accommodation beds can be maintained.

It is a perspective view of the bed type sterilizer in Embodiment 1 of this invention. It is a photograph of the mockup of the bed type sterilizer in Embodiment 1 of this invention. It is a photograph of the mockup of the bed type sterilizer which installed the seat surface member in Embodiment 1 of this invention. It is a perspective view which shows the air flow of the bed type sterilizer in Embodiment 1 of this invention. It is a side view of the bed type sterilizer in Embodiment 2 of this invention. It is a perspective view seen from the outside of the head side member in Embodiment 2 of this invention. It is a perspective view seen from the inside of the head side member in Embodiment 2 of this invention. It is a side view of the bed type sterilizer in Embodiment 2 of this invention. It is a perspective view seen from the outside of the foot side member in Embodiment 2 of this invention. It is a perspective view seen from the inside of the foot side member in Embodiment 2 of this invention. It is a photograph showing a series of flows and results of an experiment confirming the formation and maintenance of a sterilization space. It is a photograph showing a series of flows and results of an experiment confirming the formation and maintenance of a sterilization space. It is a photograph showing a series of flows and results of an experiment confirming the formation and maintenance of a sterilization space. It is a photograph showing a series of flows and results of an experiment confirming the formation and maintenance of a sterilization space. It is a photograph showing a series of flows and results of an experiment confirming the formation and maintenance of a sterilization space. It is a photograph showing a series of flows and results of an experiment confirming the formation and maintenance of a sterilization space. It is a photograph showing a series of flows and results of an experiment confirming the formation and maintenance of a sterilization space. It is a photograph which shows the experimental space in Embodiment 3 of this invention. It is a schematic diagram which shows the measurement position in the bed type sterilizer in Experiment 2 of Embodiment 3 of this invention. It is a photograph showing the situation of performing a fallen bacteria inspection. It is a photograph showing the state of this air recovery. It is a standard based on the Japan Hospital Equipment Association standard HEAS-02 (1998). It is a standard based on the environmental standard AJIES-A002-2005 of the Architectural Institute of Japan. It is a table which shows the result of the falling bacteria inspection of Experiment 2 in Embodiment 3 of this invention. FIG. 24 is a graph. It is a table which shows the experimental result of the airborne bacterium inspection of Experiment 2 in Embodiment 3 of this invention. FIG. 26 is a graph.

The bed-type sterilizer according to the first aspect of the present invention is a bed-type sterilizer having a bed shape capable of sleeping.
The head side member that is the head side of the user at bedtime,
The foot side member that is the foot side of the user at bedtime,
The main body, which connects the head side member and the foot side member,
An air suction unit provided on one of the head side member and the foot side member,
An air discharge unit provided on the other side of the head side member and the foot side member,
It is equipped with a sterilization unit provided inside the main body.
The air suction unit, the main body unit, and the air discharge unit are in a state in which the sucked air can move and communicate with each other, and the air moving in the communication state is sterilized by the sterilization unit.

With this configuration, the air around the bed can be sucked and sterilized from either the head side or the foot side of the bed, and the sterilized air can be discharged to the periphery of the bed. As a result, sterilized spaces and layers can be formed.

In the bed-type sterilizer according to the second aspect of the present invention, in addition to the first invention, a seating surface member on which the user sleeps can be attached, and the head side member and the foot side member are each seated. It projects upward from the surface of the surface member.

This configuration allows a layer of sterilized air to form above the bed.

In the bed-type sterilizer according to the third aspect of the present invention, in addition to the second invention, the air suction portion is above the surface of the seat surface member and sucks air from the seat surface member side.

With this configuration, it is possible to sterilize mainly the air around the user who is sleeping on the bed.

In the bed-type sterilizer according to the fourth aspect of the present invention, in addition to the second invention, the air discharge unit discharges air above the surface of the seat surface member and toward the seat surface member side.

With this configuration, it is possible to sterilize mainly the air around the user who is sleeping on the bed. As a result, sterilized spaces and layers can be formed above the bed. This space overlaps with the breathing space of the bed user and can reduce the effects of bacteria and viruses on the user.

In the bed-type sterilizing apparatus according to the fifth aspect of the present invention, in addition to the fourth invention, the air discharging section discharges the air sterilized by the sterilizing section, and the air suction section and the air discharging section are separated from each other. Above the face member, at least one of the sterilized air spaces and layers can be formed.

With this configuration, the breathing space when the bed user is in a sleeping state can be used as a sterilizing space.

In the bed-type sterilizer according to the sixth aspect of the present invention, in addition to the fifth invention, the air suction portion is provided on the head side member, and the air discharge portion is provided on the foot side member.

With this configuration, sterilized air is discharged (supplied) from the head side of the user, and the air mixed with bacteria or the like that touches the user is directly sent to the sterilization operation from the foot side. As a result, the effects of bacteria and viruses on the user can be further reduced.

In the bed-type sterilizer according to the seventh aspect of the present invention, in addition to any one of the second to sixth inventions, the air suction portion is provided on the seat surface member side of the head side member or the foot side member. It has a plurality of openings, a suction fan corresponding to each of the plurality of openings, and a suction communication portion for moving the air sucked by each of the plurality of suction fans to the main body portion.

With this configuration, the air suction unit can surely move the sucked air to the main body unit and sterilize it.

In the bed-type sterilizer according to the eighth aspect of the present invention, in addition to any one of the second to seventh inventions, the air discharge portion is provided on the seat surface member side of the head side member or the foot side member. It has a plurality of openings, a discharge fan corresponding to each of the plurality of openings, and a discharge communication portion that communicates with the inside of the main body portion in each of the plurality of openings.

With this configuration, the air discharging part can surely discharge the sterilized air in the internal space of the main body part to the outside. As a result, a sterilized air circulation can be reliably formed.

In the bed-type sterilizer according to the ninth invention of the present invention, in addition to the eighth invention, the main body portion has an internal space communicating with the suction communication portion and the discharge communication portion, and is sucked by the air suction portion. The air moves in the internal space toward the air discharge part, and the sterilizing part sterilizes the air when moving in the internal space.

This configuration ensures that the sucked air is sterilized in the isolated interior space.

In the bed-type sterilizer according to the tenth aspect of the present invention, in addition to any one of the second to ninth inventions, the seat surface member can be combined with the main body portion.

With this configuration, the bed-type sterilizer can be applied only to the skeleton of the bed, and various variations as a bed can be realized.

In the bed-type sterilizer according to the eleventh invention of the present invention, in addition to any one of the eighth to tenth inventions, the main body portion includes both ends of the head side member and each end of the foot side member. It has a first duct and a second duct which are two rows connecting the two ducts, and each of the first duct and the second duct has an internal space communicating with the suction communication part and the discharge communication part, and the first duct. The internal space of each of the second duct and the second duct is provided with a sterilizing part.

With this configuration, sterilization can be performed only on the skeleton part of the bed. Further, the sterilizing ability can be enhanced by separating and moving the sucked air into the first duct and the second duct having a narrow cross section.

In the bed-type sterilizer according to the twelfth invention of the present invention, in addition to the eleventh invention, the first duct and the second duct can form both side surfaces of the bed of the bed-type sterilizer.

With this configuration, the main body is matched to the skeleton of the bed, and the sucked air can be sterilized on both sides of the bed.

In the bed-type sterilizer according to the thirteenth invention of the present invention, in addition to the eleventh or twelfth invention, a seating surface member can be installed in the space where the first duct and the second duct face each other.

With this configuration, a seating surface member can be attached to a bed-type sterilizer having only a skeleton, and beds for various purposes such as a bed for a sickbed and a bed for nursing care can be realized.

In the bed-type sterilizer according to the fourteenth aspect of the present invention, in addition to any one of the eleventh to thirteenth inventions, at least one of the first duct and the second duct is connected from the suction communication part to the discharge communication part. It is further equipped with a blower fan that causes air movement.

With this configuration, the movement of air in the first duct and the second duct can be made smooth, and the sterilizing ability can be enhanced.

In the bed-type sterilizer according to the fifteenth invention of the present invention, in addition to any one of the eleventh to fourteenth inventions, the air entering the suction communication portion is distributed to each of the first duct and the second duct. The air that has moved and is distributed and moved to each of the first duct and the second duct is combined at the discharge communication portion.

With this configuration, the sucked air is efficiently sterilized in two rows, and the sterilized air is mixed and discharged.

In the bed-type sterilizer according to the sixteenth aspect of the present invention, in addition to any one of the seventh to fifteenth inventions, the air sucked by the air suction unit is bent to diffuse into the first duct and the second duct. The air suction section further comprises at least one of an air passage and a diffusion fan.

With this configuration, the air sucked by the air suction unit can be efficiently diffused and moved to the first duct and the second duct.

In the bed-type sterilizer according to the seventeenth aspect of the present invention, in addition to any one of the eighth to sixteenth inventions, the air from the first duct and the second duct is diffused to the entire air discharge portion. The air exhaust section further comprises at least one of an air passage and a diffusion fan.

With this configuration, the air sterilized in the first duct and the second duct is diffused to the air discharge portion with a spread in the width direction. As a result, the air discharge unit can discharge sterilized air to a range that covers the entire seat surface member of the bed.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)

(Overview)
FIG. 1 is a perspective view of a bed-type sterilizer according to the first embodiment of the present invention. FIG. 1 shows a state in which the so-called user's seating surface member used for sleeping is removed in the bed-type sterilizer 1. The bed-type sterilizer 1 may be prepared in a completed state in which the user can sleep as it is, or may be prepared in a completed state in which the seat surface member is attached later as shown in FIG. Of course, the sheets, mats, futons, etc. required for actual sleeping and treatment may be prepared separately.

The bed-type sterilizer 1 in the present invention may be in a completed state as a bed in a state where it can actually sleep in this way, or it may be necessary for sleeping in a state of only the skeleton of the bed. It may be in a state of being combined with the member of the above. For example, the bed-type sterilizer 1 of the present invention may be used as it is in a bed for a bed, a treatment bed, a nursing bed, or the like, or simply in combination with another member such as a seating surface member. Alternatively, the bed-type sterilizer 1 of the present invention is only the skeleton of the bed (naturally has a sterilization function described later), and is used as a bed only when combined with various members and tools required for the bed. It may be one.

In the former case, the bed-type sterilizer 1 has an advantage that it can be immediately used for various beds such as a bed for a bed, a treatment bed, and a nursing bed. In the latter case, there is a merit that a bed can be realized according to the user's needs, situations, preferences, etc., based on a skeleton that can realize a new function of sterilization.

Further, the bed-type sterilizer 1 of the present invention can be applied to various situations such as a bed for a sickbed, a bed for treatment, a bed for examination, a bed for nursing care, a bed for home use, and a bed for accommodation facilities. In each case, a layer or space with reduced bacteria and viruses around the sleeping (or sleeping user for treatment) user, especially above the respiratory system. Can be made. As a result, the adverse effects of bacteria and viruses in the respiratory space and contact space of the user who is sleeping or lying down can be extremely reduced.

Of course, the bed-type sterilizer 1 of the present invention sucks and sterilizes the air in the room where the bed for a bed or a bed for nursing care is installed, so that it also has an effect of reducing bacteria and viruses in the entire room. However, it is often difficult in terms of efficiency and ability to sterilize and reduce bacteria and viruses throughout the room. Larger, more complex, or larger numbers of sterilizers to reduce bacteria and viruses throughout the room are costly and installation issues (eg, related to the Fire Service Act). It can be difficult.

In addition, the sterilization level required in such a room is often different from the sterilization level required in the breathing space or contact space when the user is sleeping or lying down. Of course, the latter requires higher levels of sterilization. For this reason, it is often okay to sterilize the entire room at a reasonable level by simpler or other means. On the other hand, as described above, a high level of sterilization is required in the breathing space and the contact space in which the user spends a long time in bed or lying down.

The bed-type sterilizer 1 of the present invention efficiently and surely realizes reduction of bacteria and viruses in the breathing space and the contact space of the user in the sleeping state or lying down state in such a bed. In other words, for example, it is possible to form a sterile tent or a protective curtain, which was conventionally formed around a bed, without using a physical film or material.

(overall structure)
The bed-type sterilizer 1 has a bed shape that allows the user to sleep. As described above, it may be in a completed state as a bed or in a state of only a skeleton.

The bed-type sterilizer 1 includes a head side member 2, a foot side member 3, a main body portion 6, an air suction unit 4, an air discharge unit 5, and a sterilizer unit 9. As shown in FIG. 1, the head side member 2 and the foot side member 3 are separated from each other and face each other. These two members form the head side and the foot side of the skeleton as the bed of the bed type sterilizer 1. On the other hand, the main body 6 is composed of a first duct 7 and a second duct 8 here. The first duct 7 and the second duct 8 can form the side surface of the skeleton of the bed-type sterilizer 1 as a bed. That is, the skeleton of the bed can be formed as shown in FIG. 1 by connecting the head side member 2, the first duct 7, the foot side member 3, and the second duct 8 on four sides.

As described above, in FIG. 1, the main body 6 has a configuration having the first duct 7 and the second duct 8, but the first duct 7 and the second duct 8 (and related members thereof). ) The whole may be grasped as the main body part 6. As shown in FIG. 1, the main body portion 6 is not composed of a pair of a first duct 7 and a second duct 8 which are separated from each other and face each other, but may be configured as one member.

The head-side member 2 is a member that becomes the head-side when the user goes to bed, and forms one of the skeletons of the bed-type sterilizer 1 as a bed. The foot side member 3 is a member that becomes the foot side when the user goes to bed, and forms one of the skeletons of the bed-type sterilizer 1 as a bed. The head side member 2 and the foot side member 3 are separated from each other in a state of facing each other.

The air suction unit 4 is provided on one of the head side member 2 and the foot side member 3 and sucks the air around the bed type sterilizer 1. That is, the air around the user who is sleeping or lying on the bed-type sterilizer 1 is sucked.

The air discharge portion 5 is provided on the other side of the head side member 2 and the foot side member 3. That is, the air discharge portion 5 is provided on the opposite side of the head side member 2. In other words, the air suction unit 4 and the air discharge unit 5 are in a pair of facing states. The air discharge unit 5 discharges the air that has moved in the internal space of the main body unit 6.

The main body 6 (in FIG. 1, the first duct 7 and the second duct 8) has an internal space. Further, in this internal space, air is movably communicated with the air suction unit 4 and the air discharge unit 5. That is, the air suction portion 4, the main body portion 6 (internal space), and the air discharge portion 5 are in a state in which the sucked air can move and communicate with each other.

In FIG. 1, the first duct 7 constituting the main body 6 has an internal space 71, and the second duct 8 has an internal space 81. Therefore, the air sucked by the air suction unit 4 moves in each of the internal space 71 of the first duct 7 and the internal space 81 of the second duct 8, and finally moves to the air discharge unit 5. It is discharged to the outside.

The internal space of the main body 6, that is, in FIG. 1, each of the internal space 71 of the first duct 7 and the internal space 81 of the second duct 8 has a sterilizing unit 9 that kills bacteria and viruses. Therefore, the air moving in the internal space 71 of the first duct 7 and the internal space 81 of the second duct 8 is sterilized when moving. As a result, the air that reaches the air discharge unit 5 and is discharged to the outside is in a state in which bacteria and viruses contained at the time of suction are reduced.

In this way, in the bed-type sterilizer 1, the air sucked from the head side or the foot side in the sleeping state is sterilized while moving in the internal space of the main body 6 inside the bed, and the head is sterilized. It is discharged from the side or the opposite side of the foot. In this way, a layer or space in which bacteria and viruses are reduced is formed in the space above the user who is sleeping or lying on the seating surface member of the bed-type sterilizer 1 used as a bed. The formed layers and spaces are the breathing space and contact space of the sleeping or lying user. That is, as described above, the bed-type sterilizer 1 in the first embodiment provides a space in which bacteria and viruses are reduced in the breathing space and contact space of the user without using a physical membrane or curtain. Can be formed.

Here, the sterilizing unit 9 emits ultraviolet rays having a predetermined wavelength. By emitting ultraviolet rays having an appropriate wavelength depending on the type of bacteria or virus, the bacteria or virus contained in the air moving in the internal space of the main body 6 can be killed and reduced. Of course, it can be killed in some cases. As a whole, the number of bacteria and viruses contained in the air sucked by the air suction unit 4 can be significantly reduced.

In the bed-type sterilizer 1 of FIG. 1, the main body 6 has a first duct 7 and a second duct 8. Therefore, the air sucked by the air suction unit 4 is separated into the first duct 7 and the second duct 8 and moved to the air discharge port 5. The first duct 7 has an internal space 71. The internal space 71 includes a sterilizing unit 9A. Similarly, the second duct 8 has an internal space 81. The internal space 81 includes a sterilizing unit 9B. These sterilizing units 9A and 9B kill and reduce bacteria and viruses in the air moving in the internal spaces 71 and 81.

Compared with the case where the main body 6 is the entire bottom of the bed, the movement of the sucked air is more when the first duct 7 and the second duct 8 having a narrow cross-sectional area are provided on both side surfaces of the bed. Be efficient. This is because the small cross-sectional area reduces the possibility that the moving air cannot completely move from the air suction portion 4 to the air discharge portion 5 and stays inside the main body portion 6. Alternatively, backflow is also reduced. As a result, the air flow from the air suction unit 4 to the air discharge unit 5 becomes smooth. This means that when the bed-type sterilizer 1 is regarded as a bed in a living space lying for sleeping or treatment / nursing care, the air above the bed above the user is constantly replaced by suction and discharge. , Allows the formation of invisible curtains (corresponding to membranes and layers) due to the flow of air.

Further, the irradiation range of the sterilizing portions 9A and 9B that emit ultraviolet rays can easily reach the entire internal spaces 71 and 81, which has the advantage of enhancing the sterilizing ability. As described above, the main body 6 is separated into the first duct 7 and the second duct 8 as shown in FIG. 1, so that the sterilizing ability is also enhanced.

Combined with the efficiency of air flow (both inside and outside the bed) and the efficiency of sterilization, the main body 6 separated into the first duct 7 and the second duct 8 uses bacteria and viruses as a bed. It is possible to realize and maintain a reduced state of bacteria and viruses in the breathing space and contact space when the user is sleeping or lying down.

(Configuration example of bed-type sterilizer)
FIG. 2 is a photograph of a mockup of a bed-type sterilizer according to the first embodiment of the present invention. FIG. 2 shows a state in which a mockup of the bed-type sterilizer 1 is imaged from an oblique angle.

In the bed-type sterilizer 1 in the mockup of FIG. 2, the main body 6 is composed of the first duct 7 and the second duct 8 in the same manner as that shown in FIG. The bed-type sterilizer 1 is composed of a skeleton that can be used as a bed.

Therefore, the head side member 2 is the side on which the user puts his / her head at bedtime, and serves as a support portion as a skeleton of the bed. Similarly, the foot lower member 3 is the side on which the user at bedtime puts his / her feet, and is one of the support portions as the skeleton of the bed. The head side member 2 and the foot side member 3 are in a state of facing each other at a certain distance from each other, assuming the height and margin of the bed user.

Each of the first duct 7 and the second duct 8 constitutes a side surface side surface of the skeleton of the bed-type sterilizer 1 as a bed. That is, each of the first duct 7 and the second duct 8 is one of the support portions on the side surface which is the skeleton of the bed. Further, each of the first duct 7 and the second duct 8 is connected to each of the head side member 2 and the foot side member 3.

With such a configuration, the four members of the head side member 2, the foot side member 3, the first duct 7, and the second duct 8 form four sides as a bed. This four-sided configuration forms the skeleton as a bed. As described above, the bed-type sterilizer 1 can sterilize the air in the breathing space and the contact space of the user who uses the bed as described above only by the skeleton member in front of the finished product as the bed.

FIG. 3 is a photograph of a mockup of a bed-type sterilizer equipped with a seating surface member according to the first embodiment of the present invention. The bed-type sterilizer 1 shown in the photograph of FIG. 3 shows a state in which the seat member 10 on which the user sleeps is attached to the central space formed by the skeleton of the bed-type sterilizer of FIG. .. That is, the state shown in FIGS. 2 to 3 enables the bed-type sterilizer 1 to be used as a bed (of course, it is necessary to add sheets, futons, etc.).

Even when the bed-type sterilizer 1 is applied to various beds such as a bed for a sickbed, a treatment bed, a nursing bed, and a home bed, the seating surface member 10 is actually attached to the user. Can be used as a bed.

(Formation and sterilization of respiratory space)
The user lays necessary sheets, mats, and the like on the seating surface member 10, and sleeps or lies on the seating surface member 10. In this state, the breathing space 100 is formed above the seat surface member 10 (above the user). The breathing space 100 is a space in which air used by a sleeping or lying user to directly breathe is present. It is also a contact space where the user physically contacts the body.

As described above, the bed-type sterilizer 1 mainly and efficiently sterilizes the breathing space 100.

In order to form the sterilized breathing space 100 above the seat surface member 10, each of the head side member 2 and the foot side member 3 may project upward from the surface of the seat surface member 10. Suitable. FIG. 3 shows this state. The bed-type sterilizer 1 has a skeletal structure in which the head side and the foot side are raised.

With such a structure, the air suction portion 4 is also located above the surface of the seat surface member 10. By being installed at such a position, the air suction unit 4 sucks air from a position above the seat surface member 10. Since the air suction unit 4 is provided on one of the head side member 2 and the foot side member 3, the air suction unit 4 can be configured to be located above the surface of the seat surface member 10. ..

Similarly, the air discharge portion 5 is also located above the surface of the seat surface member 10. By being installed at such a position, the air discharge unit 5 discharges air from a position above the bottom surface member 10. Since the air discharge portion 5 is provided on the opposite side of the air suction portion 4 so as to meet one of the head side member 2 and the foot side member 3, the air discharge portion 5 is located above the surface of the bottom surface member 10. It is possible to be configured as such.

Further, each of the air suction unit 4 and the air discharge unit 5 faces the seat surface member 10 side. That is, the air suction unit 4 sucks air from the seat surface member 10 side above the seat surface member 10. On the other hand, the air discharge unit 5 is above the seat surface member 10 and can discharge air to the seat surface member 10.

That is, the air suction unit 4 and the air discharge unit 5 face each other with the seat surface member 10 interposed therebetween, and perform air suction and air discharge in a form facing each other. The combination of suction and discharge of air in this facing manner creates an air flow above the seat member 10. The air flow above the seat surface member 10 can form a breathing space 100 above the seat surface member 10. By adjusting the height of the air suction unit 4 and the air discharge unit 5 appropriately in relation to the seat surface member 10, the breathing space 100 above the user lying on the seat surface member 10 is 100. Can be formed.

Similarly, by expanding the air suction portion 4 and the air discharge portion 5 in the lateral direction of the head side member 2 and the foot side member 3 (that is, the lateral direction of the seat surface member 10), the seat surface member 10 sleeps. The space above the user who is lying down or on the side surface can be formed as the breathing space 100. That is, it is a three-dimensional space within a range in the plane direction with respect to the seat surface member 10 and a range in the height direction with respect to the seat surface member 10 at the heights of the air suction portion 4 and the air discharge portion 5. The breathing space 100 can be formed.

Here, the air suction unit 4 sucks the air in and around the breathing space 100. The air to be sucked contains bacteria and viruses because it is connected to the outside air. The air suction unit 4 sucks the air in and around the breathing space 100 containing the bacteria and the virus. The sucked air is sterilized by the sterilizing portions 9A and 9B provided in the first duct 7 and the second duct 8. The air discharge unit 5 discharges the sterilized air.

The air discharge unit 5 discharges sterilized air. This discharge destination is the respiratory space 100 and its surroundings. That is, the state in which sterilized air is supplied to the breathing space 100 and its surroundings is continued (in the state where the bed-type sterilizer 1 is operating).

As a result, the breathing space 100 is formed as a space or layer of sterilized air. When the user is sleeping or lying on the seating surface member 10 of the bed, the user is in a state of being inside the breathing space 100. Therefore, the user can perform a physiological operation in the breathing space 100, which is a layer and a space of sterilized air. As a result, even when the user is an inpatient, a treated patient, a care recipient, or an elderly person, the user is less likely to be affected by bacteria and viruses contained in the air such as a hospital room.

Of course, this also applies to healthy users who use beds such as homes and accommodations.

(Sterilized breathing space)
As described above, the bed-type sterilizer 1 in the first embodiment can form the sterilized respiratory space 100. The sterilized breathing space 100 is essentially at least one of the sterilized air spaces and layers above and in the planar range of the seat member 10. A sterilized sterilization space can be formed in the user's breathing space 100 or contact space in the bed without using a physical membrane or curtain.

FIG. 4 is a perspective view showing the air flow of the bed-type sterilizer according to the first embodiment of the present invention. The arrows in the figure indicate the flow of air.

Here, the air suction portion 4 is provided on one of the head side member 2 and the foot side member 3. Further, the air discharge unit 5 is provided on the opposite side of the air suction unit 4.

Each of the air suction unit 4 and the air exhaust unit 5 may be provided on either the head side member 2 or the foot side member 3, but when the user is sleeping or lying down, it is the head that breathes. It is the department side. Therefore, it is preferable that sterilized air is supplied to the breathing head side.

In addition, even after sterilized air is supplied to the head side of the user's respiratory system, if the user is sick, the exhaled breath and the air after touching the body will be newly bacteria and viruses. Easy to include. Of course, even if the respiratory space 100 is formed as a sterilized space, there is a possibility that bacteria and viruses may be mixed in by contact with the outside air.

Therefore, there is a high possibility that the air on the underfoot side has more bacteria and viruses than on the head side. Since the purpose is to sterilize such bacteria and viruses, it is appropriate to inhale air that may be richer in bacteria and viruses.

From the above, as shown in FIG. 4, it is appropriate that the air suction unit 4 is provided on the foot side member 3. Similarly, it is appropriate that the air discharge portion 5 is provided on the head side member 2. As a result, air containing bacteria and viruses is sucked from the foot side without adversely affecting the user's body. The sucked air is sterilized by the sterilizing portions 9A and 9B of the first duct 7 and the second duct 8, and the sterilized air is discharged from the user's head side. As a result, the sterilized air is always supplied to the head side of the user's respiratory system, and the adverse effects of bacteria and viruses on the user can be reduced.

Further, as will be described later, the air suction unit 4 and the air discharge unit 5 often use a mechanism for moving air such as a fan. When sucked by this fan or the like, noise is generated by contact or friction with a member forming the air suction portion 4. Similarly, when the air is discharged by a fan or the like, noise is generated due to contact or friction with a member forming the air discharge portion 5.

These sounds are relative and depend on the structure of the member or mechanism, but the sound in the air suction unit 4 is slightly louder than the sound in the air discharge unit 5. In this respect as well, it is preferable that the head side member 2 is provided with the air discharge portion 5 for the sleeping operation of the user. This is because the discomfort caused by the sound around the head (ears) at bedtime is reduced.

(Details of operation)

The operation details will be described.
The bed-type sterilizer 1 has the configuration and shape as shown in FIG. 4 as an example. As described above, the main body 6 may be separated into two, the first duct 7 and the second duct 8, as shown in FIG. 4, may be integrated, or may be three or more ducts. It may be divided into (passages).

(Air suction)
An air suction portion 4 is provided on the foot side member 3. The air suction unit 4 sucks air in the vicinity of the breathing space 100 by using a suction fan or the like. The air suction force of the air suction unit 4 may be determined in consideration of sound, the sterilization ability of the sterilization unit 9, the air movement capacity of the first duct 7, and the like.

Here, the air suction force of the air suction unit 4 can be adjusted by the number of rotations, the number, the size of the wings, etc. of the suction fan, and also by the area, number, arrangement, etc. of the openings 42 of the air suction unit 4. Can be adjusted.

It is also preferable that the air suction force that can be adjusted by these parameters can be changed artificially and ex post facto by the control device.

In this way, after the air suction force is adjusted, the air suction unit 4 sucks the air around the breathing space 100 from the opening 42. The sucked air moves downward from the air suction portion 4 according to the direction of the arrow A. This is because the first duct 7 and the second duct 8 are provided below.

(Move to 1st duct and 2nd duct)
According to the arrow A, the air sucked by the air suction unit 4 moves to the first duct 7 and the second duct 8. At this time, the air suction unit 4 has a suction communication unit 41 in which air is movably communicated with each of the internal space 71 of the first duct 7 and the internal space 81 of the second duct. The air sucked by the air suction unit 4 gradually moves to the internal space 71 of the first duct 7 and the internal space 81 of the second duct 8 through the suction communication unit 41.

Arrows B and C indicate the movement of air from the suction communication portion 41 to the internal space 71 and the internal space 81. By the force of the suction fan, the sucked air moves while being separated into the internal space 71 of the first duct 7 and the internal space 81 of the second duct 8.

Here, the air sucked by the air suction unit 4 is separated by the corresponding amount depending on the volume, cross-sectional area, and opening area of the internal space 71 of the first duct 7 and the internal space 81 of the second duct 8. Move while moving.

(Movement in the 1st duct and the 2nd duct)
The air that has entered the internal space 71 of the first duct 7 moves in the internal space 71 in the direction of the arrow D due to the pressure of the suction force of the air suction unit 4 and the pressure of the exhaust force of the air discharge unit 5. That is, the air moves from the air suction unit 4 side to the air discharge unit 5 side in the internal space 71.

The internal space 71 includes a sterilizing unit 9A that emits ultraviolet rays. Of course, the sterilizing unit 9A may have a sterilizing function by a function other than the ultraviolet irradiation function. In addition, the wavelength of ultraviolet rays can be changed and the irradiation intensity can be changed.

The air moving in the internal space 71 is sterilized by being irradiated with ultraviolet rays or the like during this movement. That is, the bacteria and viruses contained in the air are killed, and the bacteria and viruses contained in the air are reduced.

Further, it is also preferable that not only the sterilizing portion 9A by irradiation with ultraviolet rays or the like but also the inner surface of the internal space 71 is coated with a photocatalyst or the like. The application of a photocatalyst has the advantage of further sterilizing the air in combination with the irradiation of ultraviolet rays. Further, sterilization may be further efficient by providing a sterilization mechanism by means other than the sterilization unit 9A by irradiation with ultraviolet rays or the like in the internal space 71 or on the inner surface of the internal space 71.

Similarly, the air that has entered the internal space 81 of the second duct 8 moves in the internal space 81 in the direction of the arrow E due to the pressure of the suction force by the air suction unit 4 and the pressure due to the discharge force of the air discharge unit 5. do. That is, the air moves from the air suction unit 4 side to the air discharge unit 5 side in the internal space 81.

The internal space 81 includes a sterilizing unit 9B that emits ultraviolet rays. Of course, the sterilizing unit 9B may have a sterilizing function by a function other than the ultraviolet irradiation function. In addition, the wavelength of ultraviolet rays can be changed and the irradiation intensity can be changed.

The air moving in the internal space 81 is sterilized by being irradiated with ultraviolet rays or the like during this movement. That is, the bacteria and viruses contained in the air are killed, and the bacteria and viruses contained in the air are reduced.

Further, it is also preferable that not only the sterilizing portion 9B by irradiation with ultraviolet rays or the like but also the inner surface of the internal space 81 is coated with a photocatalyst or the like. The application of a photocatalyst has the advantage of further sterilizing the air in combination with the irradiation of ultraviolet rays. Further, sterilization may be further efficient by providing a sterilization mechanism by means other than the sterilization unit 9B by irradiation with ultraviolet rays or the like in the internal space 81 or on the inner surface of the internal space 81.

(Movement from the 1st duct and the 2nd duct to the air discharge part)
The air that has moved in the internal space 71 of the first duct 7 and the internal space 81 of the second duct 8 moves to the air discharge unit 5. At this time, the air moves to the air discharge unit 5 through the discharge communication unit 51 that communicates the internal space 71, the internal space 81, and the air discharge unit 5.

Like the air suction unit 4, the air discharge unit 5 also has a mechanism for applying a pressure for discharging air such as an exhaust fan, and the pressure causes air from the internal spaces 71 and 81 to flow to the air discharge unit 5. Moving. The mechanism for applying this pressure may be realized not only by the discharge fan but also by various members such as a pressure pump and a pressure valve.

(Air discharge from the air discharge part)
Bacteria and viruses are reduced by the sterilizing units 9A and 9B in the air that has reached the air discharging unit 5 via the internal spaces 71 and 81.

As described above, the air discharge unit 5 is provided with a mechanism for applying pressure for discharge such as a discharge fan, and reaches and discharges sterilized air. At this time, the air discharge unit 5 discharges the sterilized air above the seat surface member 10 toward the seat surface member 10.

The arrow F indicates the discharge direction of this air.

Like the air suction unit 4, the air discharge unit 5 also has an opening, and sterilized air can be discharged from this opening. As can be seen from the arrow F, this sterilized air discharge eventually reaches the opposing air suction unit 4 and is sucked. That is, as shown by the arrow F, the air circulates above the seat member 10. This circulation forms a space or layer of sterilized air, and this space or layer corresponds to the user's breathing space 100 or contact space.

Here, the air discharge unit 5 can adjust the speed, range, height, width, flow rate, and the like of sterilized air discharge depending on the area of the openings, the number of openings, the arrangement of the openings, and the like. In addition, the speed, range, height, width, flow rate, etc. of sterilized air can be adjusted by adjusting the pressure with an exhaust fan or the like. Both may be combined.

It is preferable that these adjustments can be performed ex post facto by a control mechanism. As a result, it becomes possible to form a sterilized respiratory space 100 according to the medical condition, condition, body shape, etc. of the user.

(Re-suction of air by the air suction part)
As described above, as shown by the arrow F, the air discharged from the air discharging unit 5 is sucked by the facing air suction unit 4. Of course, the air suction unit 4 also sucks the surrounding air other than the discharged air.

These sucked air may contain bacteria and viruses again due to the user's breathing, contact with the body, contact with air other than the breathing space 100, and the like. The air containing the bacteria and viruses again is sucked again by the air suction unit 4, the above cycle is repeated, and the cycle of sterilization and discharge is repeated. During the repetition of this cycle, the respiratory space 100 can be kept in a reduced state of bacteria and viruses without the use of physical membranes or curtains.

As described above, the bed-type sterilizer 1 according to the first embodiment covers the range of the breathing space 100 and the contact space with a physical film or curtain while the user is sleeping or lying on the seat surface member 10. Can be maintained in a sterilized state without using. As a result, it is possible to reduce the adverse effects on people with weakened immunity to bacteria and viruses, such as sick people, people requiring long-term care, and elderly people who use sickbeds, treatment beds, examination beds, and long-term care beds. ..

Alternatively, when applied to a home bed or an accommodation bed, it is possible to prevent health hazards due to unforeseen circumstances.

(Embodiment 2)

Next, the second embodiment will be described.

In the second embodiment, further ingenuity of each part and the like will be described.

(Head side member and air exhaust part)
FIG. 5 is a side view of the bed-type sterilizer according to the second embodiment of the present invention. FIG. 6 is a perspective view of the head side member according to the second embodiment of the present invention as viewed from the outside. FIG. 7 is a perspective view seen from the inside of the head side member according to the second embodiment of the present invention. 5 to 7 show the structure of the head side member 2 and the structure and function of the air discharge portion 5 incorporated in the head side member 2.

As is clear from FIG. 5, it is preferable that the head side member 2 is provided with the air discharge portion 5. This is because, as shown by the arrow in FIG. 5, the sterilized air is discharged toward the seat surface member 10 where the user is sleeping or the like. By this discharge, sterilized air is always supplied to the user.

FIG. 6 shows the internal details of the air discharge unit 5. As described with reference to FIG. 2, the air discharge portion 5 preferably includes a plurality of openings 52. It is possible to uniformly discharge the sterilized air to the entire breathing space 100 by discharging the air from each of the plurality of divided openings 52 rather than discharging the sterilized air from one opening. Because.

A large single discharge fan may be provided for the entire plurality of openings 52 to discharge the sterilized air that has moved through the first duct 7 and the second duct 8. In this case, the pressure of this large exhaust fan makes it possible to move the first duct 7 and the second duct 8 and discharge the sterilized air coming out of the discharge communication portion 51 from the opening 52. ..

On the other hand, if an attempt is made to discharge sterilized air from a plurality of openings 52 using only a large and single discharge fan, problems such as noise occur. Alternatively, the problem of emission capacity and the problem of increased power consumption also arise.

Therefore, it is also preferable to provide individual discharge fans 53 corresponding to each of the plurality of openings 52. FIG. 6 shows a state in which individual discharge fans 53 corresponding to each of the openings 52 are provided.

of course. The discharge fan 53 may not be provided corresponding to all openings 52. The discharge fan 53 may not be provided in some of the openings 52. Alternatively, one discharge fan 53 may be provided corresponding to two or more openings 52.

In this way, by individually providing the discharge fan 53 corresponding to each or several of the plurality of openings 52, noise and power consumption can be suppressed. In addition, the head side member 2 can be miniaturized. Further, the efficiency of discharging the sterilized air from the opening 52 can be improved, and the sterilized air can be discharged in a state of being widely uniformized in the breathing space 100.

FIG. 7 shows a state in which sterilized air is discharged from the plurality of openings 52. The arrow shown through the opening 52 indicates the direction of discharge of the sterilized air. Taking FIG. 6 and FIG. 7 together, each of the individual discharge fans 53 has a corresponding opening 52, and the air sterilized from the opening 52 by the discharge pressure of the individual discharge fan 53. Can be discharged. Therefore, the discharge fan 53 may have a structure in which the fan portion and the opening 52 are integrated.

Further, the discharge communication portion 51 may further include a bent air passage 54. The bent air passage 54 moves the air that has moved from the discharge communication portion 51 to the region of the discharge fan 53. At this time, since the bent air passage 54 has a bent path, the air moving from the discharge communication portion 51 can be diffused in the width direction as shown by the arrow G.

The sterilized air moves through the first duct 7 and the second duct 8 on both side surfaces of the bed type sterilizer 1 and reaches the discharge communication portion 51. On the other hand, it is preferable that the sterilized air finally discharged from the air discharge unit 5 spreads uniformly in the height direction and the width direction of the seat surface member 10 and is discharged. For this purpose, a plurality of openings 52 and a plurality of discharge fans 53 corresponding thereto are provided.

Therefore, it is preferable that the air moving from the discharge communication portion 51 to the region of the discharge fan 53 spreads in the width direction in the bent air passage 54. This is because it is wider than reaching the area of the discharge fan 53 as it is from only the first duct 7 and the second duct 8.

As described above, in order to realize the discharge in a wider range, the bent air passage 54 is provided, and as shown by the arrow G, the air from the discharge communication passage 51 spreads in the width direction, and then the discharge fan 53 is used. It is appropriate to be discharged.

It is also preferable that a diffusion fan 55 is provided to assist diffusion in the bent air passage 54. FIG. 7 shows the diffusion fan 55. Provided in the width direction in accordance with the bent air passage 54, the air from the discharge communication passage 51 is moved to the region of the upper discharge fan 53.

This movement of air spreads in the width direction to efficiently operate all of the plurality of discharge fans 53, and at the same time, it is possible to move the air from the discharge communication passage 51 to the region of the discharge fan 53 without reducing the momentum of the air. can.

With the above configuration, the air separated and moved into the first duct 7 and the second duct 8 and sterilized is once again spread in the width and height directions of the head side member 2. Will be able to be discharged. As a result, the range corresponding to the breathing space 100 can be realized as a sterilized air space or layer.

(Foot side member and air suction part)
Next, the details of the foot side member 3 and the air suction unit 4 mounted on the foot side member 3 will be described with reference to FIGS. 8 to 10. FIG. 8 is a side view of the bed-type sterilizer according to the second embodiment of the present invention. FIG. 9 is a perspective view of the foot member according to the second embodiment of the present invention as viewed from the outside. FIG. 10 is a perspective view seen from the inside of the foot member according to the second embodiment of the present invention. 8 to 10 show the structure of the foot side member 3 and the structure and function of the air suction portion 4 incorporated in the foot side member 3.

As is clear from FIG. 8, it is preferable that the foot lower member 3 is provided with the air suction portion 4. This is because, as shown by the arrow in FIG. 8, the air containing bacteria and viruses is sucked and sterilized again after being discharged from the air in and around the breathing space 100 and the air discharging unit 5. ..

The air suction portion 4 is provided on the foot side member 3, and the air discharge portion 5 is provided on the head side member 2 as described above, so that the sterilized air space or layer becomes the user's breathing space 100 or the like. It will overlap the contact space. As a result, the influence of bacteria and viruses on the user's respiratory and physiological activities can be greatly reduced.

FIG. 9 shows the internal details of the air suction unit 4. As described with reference to FIG. 2, the air suction unit 4 preferably includes a plurality of openings 42. Air is sucked from each of the plurality of openings 42 divided into the plurality of openings 42 more uniformly than the air is sucked from one opening, so that the air from the sterilized breathing space 100 and its surroundings is sucked uniformly. This is because it becomes easier. By corresponding to the uniformity of air suction together with the uniformity of air discharge, the sterilized space and layer above and in the width direction of the seat surface member 10 of the bed type sterilizer 1 are surely and widely formed. Because.

A large single suction fan for sucking air to the first duct 7 and the second duct 8 may be provided for the entire plurality of openings 42. In this case, the pressure of this large suction fan sucks air into the first duct 7 and the second duct 8 through the suction communication portion 41.

On the other hand, if an attempt is made to suck air from a plurality of openings 42 with only a large and single suction fan, problems such as noise occur. Alternatively, the problem of suction capacity and the problem of increased power consumption also arise.

Therefore, it is also preferable to provide individual suction fans 43 corresponding to each of the plurality of openings 42. FIG. 9 shows a state in which individual suction fans 43 corresponding to each of the openings 42 are provided.

Of course, the suction fan 43 may not be provided corresponding to all the openings 42. Some openings 42 may not be provided with a suction fan 43. Alternatively, one suction fan 43 may be provided corresponding to two or more openings 42.

As described above, by individually providing the suction fan 43 corresponding to each or several of the plurality of openings 42, noise and power consumption can be suppressed. In addition, it is possible to reduce the size of the foot member 3. Furthermore, the efficiency of sucking sterilized air from the opening 42 can be improved, and air can be sucked widely and uniformly from the breathing space 100.

FIG. 10 shows a state in which air is sucked from a plurality of openings 42. The arrow shown from the opening 42 indicates the direction of suction of air. Taking FIG. 9 and FIG. 10 together, each of the individual suction fans 43 has a corresponding opening 42, and the suction pressure of the individual suction fan 43 allows air to be sucked from the opening 42. .. Therefore, the suction fan 43 may have a structure in which the fan portion and the opening 42 are integrated.

Further, the suction communication portion 41 may further include a bent air passage 44. The bent air passage 44 efficiently moves the air that has moved from the suction fan 43 to the suction communication portion 41. At this time, since the bent air passage 44 has a bent path, the air moving from the region of the suction fan 43 can be diffused in the width direction as shown by the arrow H.

The air sucked by the suction fan 43 is separated and moved to the first duct 7 and the second duct 8 provided on both side surfaces of the bed type sterilizer 1. At this time, it is preferable that the duct 7 and the second duct 8 are uniformly moved. At this time, the air sucked by the suction fan 43 is uniformly diffused in the width direction by the bent air passage 44 as shown by the arrow H, and efficiently reaches the first duct 7 and the second duct 8. It is distributed and moved.

The uniformity here is not limited to the absolute uniformity of the amount of air, but may be any case where air moves to each of the first duct 7 and the second duct 8.

The air moves through the first duct 7 and the second duct 8 on both side surfaces of the bed type sterilizer 1 and reaches the discharge communication portion 51. During this movement, the sterilizing units 9A and 9B realize the reduction of bacteria and viruses.

By providing the bent air passage 44 in this way, as shown by the arrow H, the air spreads in the width direction from the suction fan 43 to the suction communication passage 41, and then the air is supplied to the first duct 7 and the second duct 8. Can move efficiently.

It is also preferable that a diffusion fan 45 is provided to assist diffusion in the bent air passage 44. FIG. 10 shows a diffusion fan 45. Provided in the width direction in accordance with the bent air passage 44, the air from the suction fan 43 is diffused in the width direction and moved to the first duct 7 and the second duct 8.

By this movement of air, sterilization in both the first duct 7 and the second duct 8 can be performed efficiently and evenly, and the sterilizing ability of air can be improved.

(1st duct, 2nd duct)

It has been explained that the main body portion 6 may be composed of the first duct 7 and the second duct 8. As shown in FIG. 2 and the like, the first duct 7 and the second duct 8 form the main body 6 to form the skeletons on both sides of the bed-type sterilizer 1, and the internal portion mounts the seat member 10. This is because it can be used as a space.

The first duct 7 has an internal space 71, and the second duct 8 has an internal space 81. Air moves in the internal space 71 and the internal space 81, and each of the sterilizing portions 9A and 9B provided in the internal spaces 71 and 81 exerts a sterilizing function with respect to the moving air.

Here, the first duct 7 and the second duct 8 are members having internal spaces 71 and 81, respectively. Air moves inside the internal spaces 71 and 81 due to the pressure between the air suction unit 4 and the air discharge unit 5. It is also preferable that the internal spaces 71 and 81 are provided with a blower fan for adjusting the speed of movement of the air.

The blower fan can efficiently move the air moving in the internal spaces 71 and 81 at a high speed, or can slow down the speed. It is possible to realize a moving speed in consideration of sterilization efficiency.

In any case, the blower fan can adjust the increase / decrease in the efficiency of air movement in each of the internal spaces 71 and 81, and can realize the sterilization ability and the prevention of stagnation of air movement.

As described above, the bed-type sterilizer 1 of the second embodiment can optimize the suction and exhaust of air, the improvement of the ability to form a sterilization space, the improvement of the sterilization ability, and the like.

(Embodiment 3)

Next, the third embodiment will be described. In the third embodiment, the inventor actually manufactures a bed-type sterilizer and conducts experiments to determine the sterilizing effect and the maintenance of the sterilized state in the breathing space 100 (the state in which the breathing space 100 is maintained as the sterilizing space). Explain what you have confirmed.

(Experiment 1: Experiment that the respiratory space 100 is maintained as a sterilization space)
The inventor manufactured the bed-type sterilizer described in the first and second embodiments, and experimentally confirmed whether the breathing space 100 on the seat surface member 10 was formed and maintained as a sterilized space. ..

The experiment was confirmed by operating a bed-type sterilizer that was actually manufactured and conducting an experiment to visualize the air flow. 11 to 17 are photographs showing a series of flows and results of experiments confirming the formation and maintenance of the sterilization space.

(Fig. 11)
FIG. 11 shows a state in which sterilized air has begun to be discharged from the air discharge portion of the head side member. In addition, in FIGS. 11 to 17, in order to clarify that the space sterilized as needed corresponds to the breathing space of the user who is sleeping or lying on the seat surface member, it is an actual space. Includes a photo of the user lying down.

As shown in FIG. 11, in the state where the sterilized air has begun to be discharged, the flow of the air discharged above the user's head side is visible.

(Fig. 12)
FIG. 12 shows a state in which the discharged sterilized air reaches the air suction portion of the foot member. The discharged air receives suction pressure by an air suction portion provided on the foot side member facing the head side member. This suction pressure connects the sterilized air flow from the head side to the foot side. By connecting this air flow, a sterilizing space is formed in the breathing space. That is, the breathing space is formed by the sterilized space and layers, and the user's breathing and operating space are brought into a sterilized state.

(Fig. 13)
FIG. 13 shows a state in which FIG. 11 is viewed from the vertical direction. Similar to FIG. 11, a state in which sterilized air is discharged from the air discharge portion of the head side member is shown.

(Fig. 14)
FIG. 14 shows a state in which FIG. 12 is viewed from the vertical direction. Similar to FIG. 12, a state in which sterilized air covers the upper part of the bed is shown so that the breathing space is formed as a sterilized space.

(Fig. 15)
FIG. 15 is a photograph assuming a case where a medical worker such as a doctor or a nurse or a family member touches this breathing space. Even if the breathing space, which is a sterilizing space, is touched, the flow of sterilized and circulating air is not obstructed. The sterilized air discharged from the head side reaches the air suction part on the foot side and circulates without being disturbed by the inserted hand.

(Fig. 16)
FIG. 16 shows a state of droplets due to sneezing when the user sneezes while lying on the seat surface member. In FIG. 16, since the bed type sterilizer 1 is not operating, the air flow and the layer are not formed. In this case, the sneezing droplets are scattered near the ceiling, and there is concern about the spread of bacteria and viruses from the sick to other companies.

On the other hand, when the bed-type sterilizer 1 operates and a sterilization space is formed by the flow of air as shown in FIG. 15, splashes are suppressed.

(Fig. 17)
FIG. 17 shows a state in which the sterilized space due to the circulation of sterilized air prevents air that may contain bacteria and viruses from entering from outside the bed (especially from above). There is.

The arrows indicate the path of air movement from above, but the layers of sterilized air circulation prevent them from entering the sterilized space, or breathing space. Therefore, the sterilization space formed by the bed-type sterilization device maintains the sterilization state in the breathing space of the user and prevents the inflow of bacteria and the like from the outside. In other words, the sterilization space is always maintained.

(Experiment 2: Confirmation of bactericidal effect)
Next, the inventor actually manufactured the bed-type sterilizing apparatus described in the first and second embodiments, and conducted an experiment on the sterilizing effect. FIG. 18 is a photograph showing an experimental space according to the third embodiment of the present invention. A bed-type sterilizer 1 was installed inside a space having a size of 5 m × 5 m × 3 m, and an inspection was conducted.

(Part 1: Preparation for inspection)
Type of inspection: Falling bacteria and airborne bacteria inspection Measuring equipment: Air sampler BIOSAMP (airborne bacteria inspection)
Sampling amount: 250 liters (floating bacteria test)
Medium: General bacterial medium (SCD medium)
Culture conditions: 30 ° C for 48 hours Culture calculation method: Colony counting method Comparison standard: Japan Hospital Equipment Association Standard HEAS-02-1998 Architectural Institute of Japan Environmental Standard AJIES-A002-2005

(Part 2: Inspection position)
The bactericidal effect was measured by setting measurement positions at a plurality of positions of the bed-type sterilizer 1 and measuring the number of microorganisms as a result of culturing the microorganisms collected at each measurement position in a colony. FIG. 19 is a schematic view showing a measurement position of the bed-type sterilizer in Experiment 2 of the third embodiment of the present invention.

(Part 3: Inspection method)

<1> Falling bacteria test First, before and after operating the bed-type sterilizer (a sterilized space, which is a sterilized breathing space, is formed on the seat surface member of the bed), the number of fallen bacteria. Was compared. For the falling bacteria, quantitative measurement of the falling bacteria was performed at each of the points A, B, C, D, and E at each measurement position shown in FIG. As the quantitative measurement of the fallen bacteria, the number of microorganisms per 1 m3 after culturing in the colony medium for a predetermined time was measured, and the measurement content was taken.

FIG. 20 is a photograph showing a situation in which a fallen bacteria test is being performed. In this way, it shows the situation where the number of microorganisms is measured at each measurement point A to E.

<2> Airborne bacteria test Next to the bed-type sterilizer 1, the number of microorganisms (number of bacteria) after collecting air in a collection container (air sampler) that collects air and culturing the collected air in a colony medium is measured. Measured.

FIG. 21 is a photograph showing the state of recovery of this air. Here, too, a comparison was made before and after the operation of the bed-type sterilizer 1.

(Part 4: Judgment criteria)
The criteria shown in FIGS. 22 and 23 were adopted as the criteria for the airborne bacteria test. FIG. 22 is a standard based on the Japan Hospital Equipment Association standard HEAS-02 (1998), and FIG. 23 is a standard based on the environmental standard AJIES-A002-2005 of the Architectural Institute of Japan.

In the floating bacteria test, the quality was judged based on these criteria.

(Part 5: Experimental results of falling bacteria test)
FIG. 24 is a table showing the results of the fallen bacteria test of Experiment 2 in the third embodiment of the present invention. FIG. 25 is a graph of FIG. 24.

As is clear from FIGS. 24 and 25, the number of fallen bacteria is significantly reduced after the operation of the bed-type sterilizer 1 as compared with that before the operation. In particular, the falling bacteria are reduced at each of the measurement positions A to E of the seating surface member of the bed, and when the user actually uses the bed, the sleeping state and the lying state of the user vary. From the experiment, it was confirmed that even if the user moves on the seat surface member, it is not easily affected by the falling bacteria.

Looking at the graph in FIG. 25, the difference between before and after operation is clear. In this way, falling bacteria, which are considered to be one of the causes of nosocomial infections that are a problem in hospitals and long-term care facilities, can be reduced and prevented without using a large-scale device such as a sterile tent. The bed-type sterilizer has the same effect as a sterilization tent due to the layer and space of sterilized air.

(Part 6: Experimental results of airborne bacteria test)
FIG. 26 is a table showing the experimental results of the airborne bacteria test of Experiment 2 in the third embodiment of the present invention. FIG. 27 is a graph of the table of FIG. 26. As is clear from FIGS. 26 and 27, the number of airborne bacteria is significantly reduced after the operation of the bed-type sterilizer 1 as compared with that before the operation.

By reducing the number of airborne bacteria, not only the upper part of the bed but also the airborne bacteria in the entire hospital room where multiple bed-type sterilizers are installed are reduced, and the bacteria in the entire hospital room are reduced. And virus reduction can be realized. As a result, it becomes easy to keep the hospital room clean and hygienic, and it is possible to suppress the influence of bacteria and viruses on inpatients and care recipients.

That is, the bed-type sterilizer 1 can not only form a sterilized space above the bed, but also reduce bacteria and viruses in the entire room as a result, and raise the overall hygiene level.

For example, when applied to the standards of the Japan Hospital Equipment Association, the number of airborne bacteria has improved from "non-standard" to "general clean area" levels. In order to improve the level to this extent, another large-scale device for sterilizing the entire room is required, a sterilizer is installed in the room itself, and an isolated measure is required at the entrance and exit of the room. Of course, these measures are not preferable in terms of cost, feasibility, usability of patients, and workability of medical staff.

On the other hand, the bed-type sterilizer 1 can improve the hygiene level in a room such as a hospital room as described above without causing these unfavorable points.

As described above, from Experiments 1 and 2, the bed-type sterilizer 1 can form the breathing space 100 above the bed as a sterilization space, and can also realize the sterilization effect of the entire room such as the hospital room where the bed is placed. confirmed.

The bed-type sterilizer described in the first to third embodiments is an example for explaining the gist of the present invention, and includes deformation and modification within a range not deviating from the gist of the present invention.

1 Bed type sterilizer 2 Head side member 3 Foot side member 4 Air suction part 41 Suction communication part 42 Opening 43 Suction fan 44 Bending air passage 45 Diffusion fan 5 Air discharge part 51 Discharge communication part 52 Opening 53 Discharge fan 54 Bent air passage 55 Diffusion fan 6 Main body 7 1st duct 71 Internal space 8 2nd duct 81 Internal space 9 Sterilizer 10 Seat member 100 Breathing space

Claims (9)

Head side members provided on the head side of the user at bedtime,
The foot side member provided on the foot side of the user at bedtime,
A bed-type sterilizer equipped with a sterilizer that sterilizes bacteria or viruses contained in air.
The first opening provided in the head side member and
It is provided with a second opening provided in the foot side member, and is provided with.
The first opening and the second opening are communicated with each other via the sterilizing portion, air is sucked from either the first opening or the second opening, and the first opening is opened. Or in a bed-type sterilizer in which air is discharged from the other side of the second opening.
An air suction means for sucking air in one of the first opening or the second opening and discharging air to the other of the first opening or the second opening is provided. Prepare ,
The first opening and the second opening face each other,
Seen from the foot member, the first opening is arranged from both sides to the upper part of the user's body at bedtime.
The second opening is a bed-type sterilizer arranged from both sides to the upper part of the user's body at bedtime when viewed from the head side member . A main body portion for connecting the head side member and the foot side member is provided.
The bed-type sterilizer according to claim 1, wherein the sterilizer is provided inside the main body. Equipped with a seating member on which bedding is placed,
The bed-type sterilizer according to claim 1 or 2, wherein each of the head side member and the foot side member is provided above the mounting surface of the bedding of the seat surface member. The main body portion includes a first duct and a second duct that communicate with the air suction means and the air discharge means and connect both sides of the head side member and both sides of the foot side member.
The bed-type sterilizer according to claim 2, wherein the sterilizer is provided inside each of the first duct and the second duct. The bed-type sterilizer according to any one of claims 1 to 4, wherein the air sterilized by the sterilizer is discharged from the first opening or the other of the second openings. The bed-type sterilizer according to any one of claims 1 to 5, wherein air is sucked from the first opening and air is discharged from the second opening. A main body portion for connecting the head side member and the foot side member is provided.
The main body is a discharge means that sucks air from one of the first opening or the second opening and discharges the air flowing into the main body to the other of the first opening or the second opening. The bed-type sterilizer according to any one of claims 1 or 3 to 5, which is provided inside. The bed-type sterilizer according to any one of claims 1 to 7, wherein the air suction means is a suction fan that sucks air. The bed-type sterilizer according to any one of claims 1 to 8, wherein the air discharging means is a discharging fan for discharging air.

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