JP6138605B2 - Air shower equipment - Google Patents

Description

  The present invention relates to an air shower apparatus that removes dust using air pressurized by a fan or the like.

  As background art of this technical field, there are JP-A-2005-90763 (Patent Document 1) and JP-A-2000-189915 (Patent Document 2). Patent Document 1 describes a configuration in which dust in the air shower chamber is sucked out through the air holes provided in the floor surface and side walls of the air shower chamber and exhausted to the outside. Patent Document 2 describes a configuration in which an air suction port is provided on the side of the air blowing port.

JP 2005-90763 A JP 2000-189915 A

  Dust that has been wiped off from the person or article by the air shower is sucked by the pre-filter on the floor or at the foot, but in this configuration, the dust adheres to the person or the article again before reaching the foot. There was a fear. In addition, there is a possibility that dust rolled up by the air jet floats in the air shower room. Therefore, as disclosed in Patent Document 1 and Patent Document 2, it is disclosed to improve the removal of dust by sucking floating dust from an exhaust hole provided in a side wall of an air shower chamber or an air suction port. It was. However, there is no disclosure of a specific configuration for sucking dust that floats more efficiently, and no consideration has been given to the arrangement and configuration of the suction section.

  In order to solve the above problems, the present invention provides a suction portion on the side wall surface of the air shower chamber where the air jet blown from the air jet nozzle hits a human body or clothes and the wind direction of the air jet changes. . Specifically, the suction part is arranged at the height of a person's head or shoulder. Furthermore, the number of suction parts is arranged as much as the position of the person's head or shoulder.

  It is possible to quickly absorb the dust blown off by the air jet and prevent it from adhering to the human body again.

It is a block diagram which shows the 1st Example of this invention. It is a block diagram which shows the 2nd Example of this invention. It is a block diagram which shows the 3rd Example of this invention. It is a block diagram which shows the 4th Example of this invention.

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

  FIG. 1 is a block diagram showing a first embodiment of the present invention. 1A is a cross-sectional view when the air shower device is viewed from the front, and FIG. 1B is a cross-sectional view when viewed from the side. This air shower device has an air shower chamber 81, and a ceiling unit 31 including a fan 71, a pre-filter 21, a HEPA (High Efficiency Particulate Air) filter 61, and an air jet nozzle 11 at the ceiling portion. The air jet blown out from the provided air jet nozzle 11 hits the head and shoulders of a person 41 who is a user in the air shower room and blows off dust. Here, the air shower chamber 81 includes an entrance / exit, a side wall surface of the side as seen from the entrance / exit direction, a ceiling surface, and a floor surface, and the entrance / exit direction is defined as the front.

  The air jet by the air jet nozzle 11 hits the head and shoulders of the person 41, and the wind direction changes in the horizontal direction. The suction part 51 is provided on the side wall surface of the air shower chamber where the changed wind is directed. Thereby, the dust blown off from the head and shoulders is sucked by the suction part 51 and adsorbed by the HEPA filter 61 without reattaching to other parts of the person.

  A suction part 52 is also provided at the foot part on the side surface of the air shower chamber, and dust accumulated on the floor surface is adsorbed by the prefilter 21.

A specific arrangement of the suction portions 51 and 52 is shown in FIG. As shown in FIG. 1 (B), the suction part 51 is disposed at a position corresponding to the height of the person's head or shoulder, and in order to suck more dust from the person's head or shoulder, The number of suction parts at the height is increased. That is, a plurality of suction portions are arranged on the side wall surface of the air shower chamber along the entrance / exit direction of the air shower chamber (the left-right direction in FIG. 1B). In this way, by providing a suction part on the side wall surface of the air shower room, the dust generated by the air jet from the ceiling is sucked in an optimal flow, thereby reducing reattachment to humans and floating dust. In addition, in FIG. 1 (B), the suction part is arranged at a position lower than the height of the person's head or shoulder. This is because the dust attached to the clothes below the shoulder is sucked, and the dust that falls downward with time is sucked.

  The suction part 52 is a suction part with a large opening. Thereby, it can also attract | suck from near a floor surface and can also attract | suck the dust of a foot part.

  As described above, the air jet blown from the air jet nozzle hits the human body and clothes, and the suction portion is provided on the side wall surface of the air shower chamber where the wind direction of the air jet has changed. By arranging the suction part at the height of the head or shoulder, the dust blown off from the head or shoulder is sucked from the suction part without reattaching to other parts of the person. The dust in the room can be quickly reduced, and it can be prevented from adhering to the human body again, thereby improving the performance of the air shower.

  FIG. 2 is a block diagram showing a second embodiment of the present invention. 2A is a plan cross-sectional view when the air shower device is viewed from above, and FIG. 2B is a cross-sectional view when the left half is cut along the cutting line (a) of FIG. 2A. The right half shows a cross-sectional view taken along the cutting line (b) in FIG. 2A, and FIG. 2C shows a cross-sectional view seen from the side.

  In the first embodiment, the air jet nozzle is disposed on the ceiling. However, in the second embodiment, the air jet nozzle is provided on the side wall of the air shower chamber in addition to the ceiling. This is an example.

  In FIG. 2 (B), 12 is an air jet nozzle arranged on the side wall surface of the air shower chamber, and 53 and 54 are suction portions arranged on the side wall surface of the air shower chamber. Other configurations have the same functions as the configurations denoted by the same reference numerals as those shown in FIG. 1 described above, and thus the description thereof is omitted.

  As shown in the left half of FIG. 2 (B) and FIG. 2 (C), the air jet nozzle 12 is disposed in the center portion of the air shower chamber in the entrance / exit direction (left and right direction in FIG. 2C), The suction part is provided before and after (the entrance and exit side of the air shower chamber in the direction of entry / exit).

  For this reason, the dust blown off from the head and shoulders by the air jet nozzle 11 from the ceiling is sucked by the suction part 53 arranged at the height of the person's head or shoulder, as in the first embodiment. Is done. The dust blown off from the clothes by the air jet nozzle 12 provided on the side wall surface of the air shower chamber is sucked by the suction portion 54 disposed at a position lower than the height of the person's head or shoulder.

  As described above, the air jet blown from the air jet nozzle hits the human body and clothes, and the suction portion is provided on the side wall surface of the air shower chamber where the wind direction of the air jet has changed. By placing the suction part at a lower height than the head or shoulder, dust blown off from the head and shoulders or dust on clothes reattaches to other parts of the person Therefore, the dust in the air shower room can be quickly reduced, and it can be prevented from adhering to the human body again, thereby improving the performance of the air shower.

FIG. 3 is a block diagram showing a third embodiment of the present invention. FIG. 3 is a cross-sectional view of the air shower device viewed from the side. In FIG. 3, reference numerals 55 and 56 denote suction portions arranged on the side wall surface of the air shower chamber. The other configurations have the same functions as the configurations denoted by the same reference numerals as those already described in FIG.

  In this embodiment, as shown in FIG. 3, the suction part 55 arranged at a position corresponding to the height of the person's head or shoulder is used to suck more dust from the person's head or shoulder. The number of suction parts at that height is increased. That is, the air jet nozzle 12 is arranged at the center of the air shower chamber in the entrance / exit direction (left and right direction in FIG. 3), and a plurality of suction portions 55 are arranged in the vicinity of the inlet and outlet before and after the entrance / exit direction. The number of suction portions corresponding to the height of the person's head or shoulder is greater than the number of other heights.

  Thereby, the dust blown off from the head or shoulder by the air jet blown from the air jet nozzle arranged on the ceiling of the air shower room was arranged at a position corresponding to the height of the human head or shoulder. Suction is efficiently performed by the suction unit. In addition, dust blown off from the clothes by the air jet blown from the air jet nozzle arranged on the side wall surface of the air shower chamber is placed at a position corresponding to a height lower than the height of the human head or shoulder. Because it is sucked by the suction part, dust in the air shower room can be quickly reduced without re-adhering to other parts of the person, preventing it from adhering again to the human body and improving the performance of the air shower Can be made.

  FIG. 4 is a block diagram showing a fourth embodiment of the present invention. FIG. 4 is a cross-sectional view of the air shower device as viewed from the side. In FIG. 4, 57 is a suction part arranged on the side wall surface of the air shower chamber. Other configurations have the same functions as the configurations denoted by the same reference numerals as those shown in FIG. 3 described above, and thus description thereof is omitted.

  In this embodiment, as shown in FIG. 4, a suction part is provided between the air jet nozzles 12 arranged on the side wall surface of the air shower chamber. That is, in the third embodiment, a plurality of suction portions are arranged in the vicinity of the inlet and the outlet sandwiching the air jet nozzle in the direction of entering and exiting the air shower chamber, but in this embodiment, suction portions are arranged above and below the air jet nozzle. Yes. Thereby, the suction range of the dust blown off by the air jet nozzle 12 can be widened, and the dust in the air shower chamber can be reduced more efficiently. Also, since the air jet nozzle and the suction part are arranged differently in the height direction, the arrangement of the fan for blowing the air jet from the air jet nozzle, the structure of the pressure chamber, and the fan for sucking from the suction part There is an advantage that the arrangement and the structure of the negative pressure chamber are simplified.

  In addition, arrangement | positioning of an air jet nozzle and a suction part is not limited above, For example, the structure which arrange | positions an air jet nozzle and a suction part alternately two-dimensionally may be sufficient. With this configuration, it is possible to further widen the dust suction range, and more efficiently reduce the dust in the air shower chamber. In this case, as a structure for blowing the air jet from the air jet nozzle and a structure for sucking from the suction portion, for example, an air guide path (for example, a pipe) for individually guiding the blowing or intake from the fan is provided. This can be achieved by connecting to the air jet nozzle or suction part.

  In FIG. 4, the number of suction portions arranged at a position corresponding to the height of a person's head or shoulder is the same as the number of suction portions arranged at a height lower than that. As described above, the number of suction units arranged at a position corresponding to the height of a person's head or shoulder may be larger than the number of suction units arranged at a lower height.

  The present invention is not limited to the above-described embodiments, and includes various modifications. For example, the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described. Further, a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment. Moreover, it is also possible to add, delete, and replace other configurations for a part of the configuration of each embodiment.

DESCRIPTION OF SYMBOLS 11, 12 ... Air jet nozzle 21 ... Pre filter 51, 52, 53, 54, 55, 56, 57 ... Suction part 61 ... HEPA filter 71 ... Fan 81 ... Air shower room

Claims (4)

In an air shower apparatus comprising an entrance / exit, an air shower chamber composed of a side wall surface thereof, a ceiling surface and a floor surface, an air jet nozzle for ejecting air, and a suction portion for sucking dust in the air shower chamber,
The air jet nozzle is provided on a ceiling surface of the air shower room,
The suction part is provided on a side wall surface of the air shower chamber where the air blown by the air jet nozzle hits a user in the air shower chamber and the wind direction of the air is changed .
The suction part is arranged on a side wall surface of the air shower room at a first position corresponding to a height of a user's head or shoulder in the air shower room and a second position having a height lower than the first position. The air shower apparatus is characterized in that the number of suction parts arranged at the first position is larger than the number of suction parts arranged at the second position . In an air shower apparatus comprising an entrance / exit, an air shower chamber composed of a side wall surface thereof, a ceiling surface and a floor surface, an air jet nozzle for ejecting air, and a suction portion for sucking dust in the air shower chamber,
The air jet nozzle is provided on a ceiling surface and a side wall surface of the air shower chamber,
The suction part is provided on a side wall surface of the air shower chamber where the air blown by the air jet nozzle hits a user in the air shower chamber and the wind direction of the air is changed.
The suction part is arranged on a side wall surface of the air shower room at a first position corresponding to a height of a user's head or shoulder in the air shower room and a second position having a height lower than the first position. Has been
The air shower apparatus , wherein the number of suction parts arranged at the first position is larger than the number of suction parts arranged at the second position . The air shower device according to claim 2 ,
The air shower apparatus according to claim 1, wherein the suction part is arranged in front of and behind an air jet nozzle provided on a side wall surface of the air shower chamber in an entrance / exit direction of the air shower chamber . The air shower device according to claim 2,
The air shower device, wherein the suction part is arranged on a side wall surface of the air shower chamber so as to be different from an air jet nozzle provided on a side wall surface of the air shower chamber in a height direction .

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