JPH0624666A - Method for ventilation in room - Google Patents

Abstract

PURPOSE:To enable ventilation in a specified room by utilizing the fluidity of air accompanying the vertical movement of an elevator car. CONSTITUTION:An elevator car 2 is disposed in an elevator shaft 1 to move vertically and stop at respective stories. One ends of upper and lower ducts 3, 4 for ventilation communicate with the uppermost and lowermost parts of the shaft 1 and the other end sides of these ducts 3, 4 are connected to both sides of a specified room 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for ventilating a specific room by raising and lowering an elevator cage.

[0002]

2. Description of the Related Art Air intake and exhaust ports are provided at the top and bottom of an elevator shaft of a building or the like, and the piston action of an elevator cage moving up and down in the shaft sucks and exhausts air to ventilate the shaft. .

[0003]

By the way, considering the shaft volume, when the elevator cage goes up and down from the bottom layer to the top floor, even if the loss due to the gap is excluded, the air flow rate is extremely high depending on the shaft volume. large. On the other hand, since the indoor ventilation on each floor is performed by the rotational power of the fan motor through the air conditioning duct, running costs are accompanied by ventilation.

Therefore, if the air flow in the shaft can be used for ventilation, the running cost can be reduced. In addition, the use of elevator cages is irregular and may stop at each floor, and there may be direct passage from the bottom to the top, so ventilation is not always regular, and ventilation volume and ventilation The speed is not constant,
It is difficult to apply in a general room.

However, even if the place where people usually go in and out is irregular, such as a machine room provided in the basement, a boiler room, or a room closed on another floor according to a specific purpose, the day may come and go. It is necessary to secure the necessary ventilation and prevent moisture and oxygen deficiency due to air retention.

The present invention has been made on the basis of the above-mentioned points of view, and an object of the invention is to provide a method for ventilating a specific room by utilizing the flow of air as the elevator cage moves up and down. Is provided.

[0007]

In order to achieve the above-mentioned object, the present invention uses an elevator cage as a piston, which communicates the upper and lower parts of an elevator shaft with a specific chamber through a duct, and moves up and down in the shaft. An air flow is generated by a pressure increase and a negative pressure phenomenon along the up-and-down direction of the elevator cage, and the air in the room and the shaft is circulated through the ducts.

[0008]

[Advantageous Effects] According to the above construction, an air flow corresponding to the ascending / descending direction of the elevator cage is generated in the corresponding room, the air in the shaft is taken in by the flow along the pressure increasing direction, and the negative pressure side is generated in the shaft. Exhaust air and ventilate.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is an explanatory view showing the method of the present invention.
In the figure, an elevator cage 2 is provided in an elevator shaft 1.
Are arranged so that they can be moved up and down and stopped on each floor. In addition,
The gap between the elevator cage 2 and the shaft 1 is made as small as possible, so that the elevator cage 2 produces a piston effect.

One ends of an upper duct 3 and a lower duct 4 for ventilation communicate with the uppermost part and the lowermost part of the shaft 1, and the other ends of these ducts 3 and 4 are connected to both sides of a specific chamber 5. There is.

This room 5 is used for preventing moisture or oxygen deficiency, although people usually do not come and go, such as an underground machine room, a boiler room, a warehouse arranged on an appropriate floor, or a data room. It is a place that needs ventilation.

In the above construction, when the elevator cage 2 rises, the pressure inside the shaft 1 rises at the upper portion of the elevator cage 2 and negative pressure occurs at the lower portion. Therefore, the airflow generated by the pressure increase is supplied into the chamber 5 through the upper duct 3. Further, due to the negative pressure on the lower side, the air in the chamber 5 flows into the shaft 1 through the lower duct 4 and is sent to the space on the lower side of the elevator cage 2 in the shaft 1 to move the inside of the chamber 5 according to the rising amount of the elevator cage 2. Ventilate the room 5.

When the elevator cage 2 descends, the pressure in the shaft 1 is opposite to that described above, air is sent into the chamber 5 through the lower duct 4, and conversely the air in the chamber is passed through the upper duct 3. It circulates in the shaft 1.

By the way, when the inside of the shaft 1 is closed, it is a closed loop, and air simply flows back and forth between the inside of the chamber 5 and the inside of the shaft 1. Since the shaft 1 is released, the exhaust from the chamber 5 and fresh outside air are mixed in the shaft 1, and as a result, the chamber 5 is ventilated each time the elevator cage 2 is moved up and down. Further, the mixing ratio is appropriately set according to the diameter of each duct 3 and the diameter of the opening, and a valve mechanism for controlling the flow can be provided according to the purpose.

When the inside of the room 5 is air-conditioned, the conditioned air is circulated in the shaft 1 so that the inside of the elevator cage 2 is also kept at an appropriate temperature.

Further, the above-described lifting and lowering operation of the elevator cage 2 varies depending on the time zone and the stop floor, and the ventilation operation for the room 5 and the intake / exhaust rate of ventilation also vary. However, the average number of times of getting on and off and the use floor of the day are almost constant every day, and the total ventilation amount is also determined accordingly, so that the ventilation amount can be set according to the ventilation amount required for one day of the corresponding room 5. Here, if the chamber 5 is set to a place where a small number of people come and go, as in the present embodiment, there is no problem because even the total ventilation is secured.

[0018]

As described above in detail with reference to the embodiments, in the indoor ventilation method according to the present invention, an air flow corresponding to the ascending / descending direction of the elevator cage is generated in the corresponding room, and the air flows along the increasing pressure direction. The air in the shaft is taken in by the generated flow, the air is discharged to the negative pressure side generated in the shaft, and ventilation is performed, so that the running cost for ventilation can be reduced. Further, when the air taken into the shaft is conditioned air, the inside of the elevator can be kept at an appropriate temperature according to the conditioned air.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a method of ventilating a room according to an embodiment of the present invention.

[Explanation of symbols]

 1 Elevator Shaft 2 Elevator Basket 3 Upper Duct 4 Lower Duct 5 Room

Claims (1)

[Claims] 1. An upper part and a lower part of an elevator shaft are communicated with a specific room through a duct, and an elevator cage moving up and down in the shaft is used as a piston by a pressure rise and a negative pressure phenomenon along a vertical direction of the elevator cage. A method for ventilating a room, wherein an air flow is generated to circulate the air in the room and in the shaft through the ducts.