JP2023169838A - air shower device - Google Patents

Abstract

To provide an air shower device which can inform a person in closed environment such as the air shower device and a clean room of occurrence of a disaster and secure an evacuation route in the case of occurrence of a natural disaster such as an earthquake and tsunami.SOLUTION: An air shower device has a communication terminal 17 loaded inside, receives an emergency earthquake report and tsunami warning announced by the Meteorological Agency and transmits a signal from the communication terminal 17 to a control unit 16 in the case of occurrence of a natural disaster in a connection state with a carrier radio network. The control unit 16 outputs that each warning is announced from a display unit 19 and a voice output unit 18 provided in the air shower device to notify a person in the air shower device and a clean room after receiving the signal. In addition, interlock 14 is released, illumination 15 is lit to use the air shower device as an evacuation route.SELECTED DRAWING: Figure 2

Description

The present invention relates to an air shower device that is installed at the entrance and exit of a clean room of a food processing facility, semiconductor manufacturing facility, or pharmaceutical facility, and uses an air jet to remove dust, pollen, etc. attached to a user.

Air shower devices are mainly installed at the entrance and exit of clean rooms, at the boundary between the clean room side and the normal environment, in order to prevent dust, pollen, etc. from being brought into clean rooms. Due to the purpose of use, the air shower equipment is equipped with an interlock on the entry/exit door to prevent entry into the clean room without being exposed to air jets.

In addition, in the environment where the air shower equipment is used, dustproof clothing and sanitary white coats must be worn to prevent foreign matter from entering the environment, and as a general rule, information devices, etc., cannot be brought into the clean room. Furthermore, from the viewpoint of insect control, the windows are fixed and cannot be opened or closed, and the air shower equipment and clean room are closed environments.

Patent Document 1 discloses an example of an air shower device.

Japanese Patent Application Publication No. 2018-136081

As mentioned above, information terminals cannot be brought into the environment where the air shower device is installed, and information on natural disasters such as earthquake early warnings cannot be easily obtained. Additionally, since air shower equipment is installed at the boundary between the clean room and the normal environment, the door on the clean room side may not be able to be opened or closed due to an interlock.In the event of a natural disaster, the door must be opened by activating an emergency button, etc. evacuate from. Furthermore, if a major natural disaster suddenly occurs, it is expected that users will panic and find it difficult to act calmly.

The air shower device described in Patent Document 1 does not take into account measures to be taken in the event of a natural disaster.

The present invention provides an air shower device that can notify people in a closed environment such as an air shower device or clean room of the occurrence of a disaster when a natural disaster such as an earthquake or tsunami occurs, and can secure an evacuation route. The purpose is to provide

An example of the "air shower device" of the present invention to solve the above problems is an air shower device that uses an air jet to remove dust, pollen, etc. attached to a user, and that communicates with a carrier wireless network. a communication terminal, a display section and/or an audio output section, and a control section, and when the communication terminal receives an earthquake early warning or a tsunami warning, the control section controls the display section and/or the audio output section. The audio output section is used to notify the surroundings of the occurrence of a natural disaster.

According to the present invention, it is possible to receive emergency earthquake early warnings and tsunami warnings from a carrier wireless network, and to notify people in closed environments such as air shower devices and clean rooms of the occurrence of a disaster in advance.

Additionally, in the event of a disaster, the interlock of the air shower device can be released, the lights turned on, and the air shower device can be used as an evacuation route.

Problems, configurations, and effects other than those described above will be made clear by the following description of the embodiments.

1 is a perspective view showing an air shower device according to a first embodiment of the present invention. FIG. 2 is a plan view of the AA′ section in FIG. 1 viewed from above. FIG. 2 is a side view of the BB′ section in FIG. 1 viewed from the side. FIG. 2 is a block diagram of an electrical system of the air shower device according to the first embodiment. 3 is a flowchart showing the operation of the air shower device of Example 1. FIG. FIG. 3 is a plan view showing an air shower device according to a second embodiment of the present invention.

Embodiments of the present invention will be described below with reference to the drawings. However, the present invention should not be construed as being limited to the contents described in the Examples shown below. Those skilled in the art will readily understand that the specific configuration can be changed without departing from the spirit or gist of the present invention.
In each figure for explaining the embodiment, the same names and symbols are given to the same components as much as possible, and repeated explanations thereof will be omitted.

1 shows a perspective view of an air shower device according to a first embodiment of the present invention, FIG. 2 shows a top view of the AA' cross section in FIG. 1 viewed from above, and FIG. 3 shows a BB' in FIG. A side view of the cross section seen from the side is shown.

A fan motor 11 that sends out air and a HEPA filter 12 that produces clean air are provided inside a casing 10 that constitutes the air shower device 100. The clean air that has passed through the HEPA filter 12 is supplied into the air shower room 20 as an air jet from an air jet outlet 21 provided on the side surface or ceiling of the air shower room 20. Further, a door 13 and an interlock 14 for restricting opening and closing of the door are provided at the entrances and exits on the normal environment side and the clean room side. Further, a lighting 15 is provided to illuminate the air shower room 20 inside the housing 10. The fan motor 11 , interlock 14 , and lighting 15 are controlled by a control section 16 .

A communication terminal 17 that can be connected to a carrier wireless network is provided inside the casing 10. The communication terminal 17 is always connected to the carrier wireless network. Further, the side surface of the air shower room 20 is equipped with a speaker 18 as an audio output section and a display section 19 for displaying characters and the like.

FIG. 4 shows a block diagram of the electrical system of the air shower device of the first embodiment. The communication terminal 17 connected to the carrier wireless network outputs a signal to the control unit 16 upon receiving an earthquake early warning or a tsunami warning. The control unit 16 then outputs control signals to the fan motor 11, interlock 14, and lighting 15. Further, the control section 16 sends an alarm signal to a display section 17 that displays characters, etc., and a speaker 18 that is an audio output section.

FIG. 5 shows an operation flowchart of the air shower device according to the first embodiment of the present invention.

When an earthquake occurs, the Japan Meteorological Agency detects the P waves of seismic waves and issues an earthquake early warning before the S waves, which cause strong shaking, arrive. When the communication terminal 17 connected to the carrier wireless network receives this announcement, it transmits an emergency earthquake early warning signal to the control unit 16 (S101). The same applies to tsunami warnings.

When the control unit 16 receives the emergency earthquake early warning signal in S102, it determines whether the air shower device is in operation (S103). If the air shower device is in operation, the operation is forcibly stopped and all controls in operation are initialized (S104). That is, the fan motor 11 is stopped and the lighting 15 is turned off. Then, the control unit 16 sends an alarm signal to the display unit and the audio output unit, and issues a warning of the occurrence of a natural disaster from the display unit 19 and the speaker 18, which is the audio output unit (S105). If the air shower device is not in operation at S103, a natural disaster warning is issued (S105) without performing S104. By issuing a warning before the S wave arrives, people in the air shower device 100, clean room 200, etc. can prepare in advance to respond to an earthquake. Then, in S106, all the interlocks 14 of the entrance/exit door 13 are released, making it possible to open the door 13 from the clean room side. In addition, the lighting 15 is turned on to make the surroundings aware of the evacuation route. At this time, if the air shower device is equipped with an emergency power source such as a UPS, it will be effective as an evacuation route even if the building loses power.

According to this embodiment, when a natural disaster such as an earthquake or tsunami occurs, the air shower device receives emergency earthquake early warnings and tsunami warnings using the carrier wireless network, and the air shower device sends voice and text messages indicating the occurrence of the natural disaster. By issuing a warning, people in closed environments such as air shower equipment or clean rooms can be informed of the occurrence of a natural disaster. Then, the interlock of the air shower device can be released and the lights can be turned on to secure an evacuation route.

FIG. 6 shows an air shower device of Example 2. The air shower device of this embodiment is mainly used to warn people in a clean room of the occurrence of a natural disaster.

As shown in the figure, a speaker 18, which is an audio output section, is attached to the clean room 200 side of the air shower device 100.

An emergency earthquake early warning signal is received by the communication terminal 17, and the control unit 16 issues a natural disaster warning to people in the clean room from the speaker 18, which is an audio output unit. Releasing the interlock 14 and turning on the illumination 15 is the same as in the first embodiment.

In addition to the speaker 18, which is an audio output section, a display section 19 may be provided on the outer surface of the air shower apparatus 100 on the clean room side, so that people in the clean room can visually recognize the warning of the occurrence of a natural disaster.

According to this embodiment, by providing the speaker 18, which is an audio output section, on the clean room side of the air shower device, it is possible to notify people in the clean room of the occurrence of a natural disaster, and it is possible to secure an evacuation route. can. Furthermore, by attaching the speaker 18, which is an audio output section, to the air shower device, the occurrence of a disaster can be made known by simply placing the unitized air shower device at the entrance of the existing clean room 200, and an evacuation route can be secured. It can be a clean room.

Note that the present invention is not limited to the above-described embodiments, and includes various modifications. For example, the embodiments described above are described in detail to explain the present invention in an easy-to-understand manner, and the present invention is not necessarily limited to having all the configurations described. Furthermore, it is possible to replace a part of the configuration of one embodiment with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of one embodiment. Further, it is possible to add, delete, or replace a part of the configuration of each embodiment with other configurations.

According to the air shower device of the present invention, information can notify people in a closed environment of the occurrence of a natural disaster in advance, provide time to prepare for the natural disaster, and secure an evacuation route. .

10 Housing 11 Fan motor 12 HEPA filter 13 Door 14 Interlock 15 Lighting 16 Control section 17 Communication terminal 18 Speaker 19 Display section 20 Air shower room 21 Air jet outlet 100 Air shower device 200 Clean room 300 Normal environment

Claims (10)

An air shower device that uses an air jet to remove dust, pollen, etc. attached to the user,
Comprising a communication terminal that communicates with a carrier wireless network, a display section and/or an audio output section, and a control section,
An air shower device in which, when the communication terminal receives an earthquake early warning or a tsunami warning, the control unit notifies surrounding people of the occurrence of a natural disaster using the display unit and/or the audio output unit. The air shower device according to claim 1, further comprising:
The control unit is an air shower device that releases an interlock and secures an evacuation route when the communication terminal receives an earthquake early warning or a tsunami warning. The air shower device according to claim 2, further comprising:
The control unit is an air shower device that turns on a light when the communication terminal receives an earthquake early warning or a tsunami warning. The air shower device according to claim 1,
An air shower device in which the display section and/or the audio output section are arranged on a side surface of an air shower room. The air shower device according to claim 1,
The display unit and/or the audio output unit are arranged on a side surface of the air shower device on the clean room side. An air shower device installed at the entrance/exit of a clean room,
comprising a communication terminal communicating with a carrier wireless network, an audio output section, and a control section,
An air shower device in which, when the communication terminal receives an earthquake early warning or a tsunami warning, the control unit notifies people in the clean room of the occurrence of a natural disaster using the audio output unit. The air shower device according to claim 6,
The audio output section is an air shower device arranged on a side surface of the air shower device on the clean room side. The air shower device according to claim 6, further comprising:
Equipped with a display section,
When the communication terminal receives an earthquake early warning or a tsunami warning, the control section displays the occurrence of a natural disaster on the display section. The air shower device according to claim 6, further comprising:
The control unit is an air shower device that releases an interlock and secures an evacuation route when the communication terminal receives an earthquake early warning or a tsunami warning. The air shower device according to claim 9, further comprising:
The control unit is an air shower device that turns on a light when the communication terminal receives an earthquake early warning or a tsunami warning.

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