JP2000274763A - Ventilator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilator capable of contributing energy saving and suppressing running cost by performing so called fresh air cooling for a communication machine room, computer room as a space to be ventilated. SOLUTION: A ventilation system for a room R to be ventilated in which a communication machine, computer and the like are installed comprises a housing l, an air supply chamber 3 and an exhaust chamber 2 installed in the housing 1, an air supply duct 6 and an air exhaust duct 5 for allowing the air supply chamber 3 and an outside part of the room R to be ventilated to communicate with each other, an air supply blower 20 for sucking air outside of the room to be ventilated in the air supply chamber 3 and blowing the air to the room to be ventilated and an exhaust blower 8 for sucking air in the room to be ventilated in the exhaust chamber and blowing the air to the outside of the room to be ventilated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilating apparatus for a room to be ventilated, which is a room in which a communication machine, a computer, and the like are arranged.

[0002]

2. Description of the Related Art As a means for coping with the recent increase in the multimedia environment and communication, there are communication machines and computer devices, and these are generally arranged in a dedicated room by a plurality of units. is there.

That is, for example, a communication machine room or a computer room is provided in a building such as a building, and communication machines and computer devices are centrally arranged so that maintenance and management can be easily performed.

[0004] These communication machines and computer devices include:
Since many components that generate heat during operation are used, there is a possibility that the temperature of each room rises as it is and adversely affects other components.

[0005] Therefore, a dedicated cooling device is provided in the communication machine room or the computer room to control the temperature to be within a predetermined temperature range. The cooling device is a commonly used device that circulates a refrigerant so as to form a refrigeration cycle.

[0006]

However, although the energy-saving of the cooling device is promoted by various improvements, the number of required devices is enormous, so that the running cost is increased and is remarkable. At present, no significant energy savings can be obtained.

On the other hand, recent communication machines and computer devices are characterized by a wide allowable range of temperature and humidity installation environments. In other words, the specification is such that even if low-temperature cold air is not blown using a cooling device, it is possible to sufficiently prevent the occurrence of adverse thermal effects in an atmosphere at an outside air temperature (37 ° C.).

The present invention has been made based on the above circumstances, and an object of the present invention is to introduce external air into a communication machine room or a computer room as a room to be ventilated to suppress a rise in the temperature of the room. It is an object of the present invention to provide a ventilator that prevents the adverse thermal effects of components and discharges the air to the outside, that is, performs so-called outside air cooling to reduce running costs and contribute to energy saving.

[0009]

In order to solve the above problems and achieve the object, a ventilating apparatus according to the present invention is directed to a ventilated room which is a room in which a communication machine, a computer device, etc. are arranged. In the ventilated device, the device body,
An air supply chamber and an exhaust chamber provided in the apparatus main body, and an air supply duct and an exhaust duct that communicate the air supply chamber and the exhaust chamber with the outside of the room to be ventilated,
An air blower that takes in external air of the ventilated room into the air supply chamber and blows air to the ventilated room, and an exhaust blower that takes air in the ventilated room into the exhaust chamber and blows air to the outside of the ventilated room. It is characterized by.

According to a second aspect, in the ventilating apparatus according to the first aspect, the air supply chamber and the exhaust chamber are respectively
A filter is provided.

[0011] Claim 3 is Claim 1 and Claim 2
In the ventilation device according to any one of the above, the air supply duct and the air exhaust duct are respectively attached to windows of the room to be ventilated.

[0012] Claim 4 is Claim 1 to Claim 3.
In the ventilation device according to any one of the above, the air supply blower and the exhaust blower each include an electric motor and a fan provided in the electric motor, and the electric motors are connected to an inverter circuit to control the air volume. And

As a fifth aspect, the first to fourth aspects are described.
The ventilation device according to any one of the above, further comprising an auxiliary duct that surrounds a motor of the air supply blower and guides heat generated from the motor to the exhaust blower in the device main body.

By providing means for solving such problems, external air is introduced using the communication machine room and the computer room as a room to be ventilated to suppress a rise in the temperature of the room and to prevent adverse thermal effects of components. The so-called outside air cooling that discharges to the outside.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of the ventilation device, and FIG.
Shows schematically the sides of the ventilation device.
This ventilator is installed in a room where a communication machine, a computer device and the like are arranged, and therefore, the same room is connected to the ventilated room R.
And

Further, the ventilated room R serves as a space for electric wiring connected to a communication machine or a computer device, and has a double floor structure A so as to provide a space for conducting cool air for cooling the same room. The target room is targeted.

Therefore, the housing 1, which is the main body of the ventilation device, can use this space as it is in place of the cooling device that has been used.

An exhaust chamber 2 is provided at an upper portion and an air supply chamber 3 is provided at a lower portion of the housing 1 at a substantially central portion in the housing 1 in two vertical stages. Side duct connection ports 4 are provided on both left and right sides of the exhaust chamber 2 and the air supply chamber 3 so that ducts can be connected.

In FIG. 1, an exhaust duct 5 is provided on the right side of the housing 1.
And the air supply duct 6 are connected, and these distal openings are attached to a dedicated window frame provided in the window W of the room to be ventilated R and open to the outside.

The duct connection port 4 on the left side to which the exhaust and air supply ducts 5 and 6 are not connected is completely closed by the closing plate 7. In other words, if the room is a ventilated room having a window on the left side, the right duct connection port 4 is closed by these closing plates 7 and the exhaust / air supply ducts 5 and 6 are connected to the left duct connection port 4. Will be connected.

In FIG. 2, a rear duct connection port 4A is provided on the rear side of the exhaust chamber 2 and the air supply chamber 3, and the exhaust duct 5A and the air supply duct 6A are connected respectively.

The distal ends of the exhaust duct 5A and the air supply duct 6A are attached to a dedicated window frame provided in the window W of the room R to be ventilated, and open to the outside. When each duct is not connected, it is completely closed by a closing plate (not shown).

1 and 2, the exhaust ducts 5 and 5A and the supply ducts 6 and 6A are connected to different parts, respectively, depending on the condition of the arrangement space in the room R to be ventilated. Only one surface needs to be provided.

An exhaust blower 8 is disposed in the housing 1 above the exhaust chamber 2. This exhaust blower 8
A two-axis electric motor 9 is disposed at the center, and fans 10 are mounted on each rotating shaft of the electric motor 9. Each fan 10 is surrounded by a fan casing 11 having a suction part 12 and a blowing part 13.

The exhaust chamber 2 is provided with an insect filter 14 at a position facing each of the blowout portions 13 of the exhaust blower 8.
Are detachably attached from the outside of the housing 1. Case 1
A suction port 15 is provided on the upper surface, and the air in the room to be ventilated R is driven by driving the exhaust blower 8.
5 is led to the exhaust chamber 2 via the suction section 12 and the blowout section 13 of the exhaust blower 8.

On the other hand, a guide port 16 is provided on the lower surface of the air supply chamber 3, and is opposed to the guide port 16.
Are detachably attached from the outside of the housing 1. Further, a sea salt particle filter 18 is provided below the insect repellent filter 17.
Are detachably attached from the outside of the housing 1.

The double floor A below the air supply chamber 3
The air supply blower 20 is arranged on the upper side. This air supply blower 20
In the figure, a two-axis electric motor 21 is arranged in the center, and fans 22 are mounted on each rotating shaft of the electric motor 21. Each fan 22 is surrounded by a fan casing 25 having a suction part 23 and a blowing part 24.

Each blower 24 of the air supply blower 20 is fitted into an opening provided on the double floor A, and by driving the air supply blower 20, the air in the air supply chamber 3 is supplied to the air supply blower 20. The air can be guided from the blow-out portion 24 to the space S of the double floor A via the air outlet.

The electric motor 21 of the air supply blower 20 is surrounded by an auxiliary duct 26. This auxiliary duct 26
Are the front of the housing 1 and the air supply chamber 3 and the exhaust chamber 2
It extends along a space formed between the air blower and the front surface, and the front end opening is open to a space where the exhaust blower 8 is arranged.

That is, the exhaust blower 8 sucks the air in the room to be ventilated R into the housing 1 through the suction port 15,
The heat generated by the electric motor 21 of the air supply blower 20 is absorbed through the auxiliary duct 26.

As shown in FIG. 3, the electric motor 9 of the exhaust blower 8 and the electric motor 21 of the air supply blower 20 are electrically connected to an inverter circuit 30, respectively. The inverter circuit 30 is electrically connected to the control circuit 40, and receives the control signal from the inverter circuit 30 to control the operation speed.

A plurality of room temperature sensors 50 are attached to predetermined portions of the room R to be ventilated. The room temperature sensor 50 detects the room temperature and sends a detection signal to the control circuit 40. The control circuit 40 controls the rotation speed of each of the electric motors 9 and 21 based on the detection signal of the room temperature sensor 50.

In the ventilation device configured as described above, the supply air blower 20 and the exhaust blower 8 are operated by the action of a communication machine or a computer device disposed in the room R to be ventilated.

The exhaust blower 8 introduces air (hereinafter, referred to as hot air) in the room to be air-conditioned R, which has been heated by the heat generated by the communication machine or the computer device, into the housing 1 through the suction port 15. Then, the hot air is exhausted to the outside through the exhaust chamber 2 and the exhaust duct 5 (or 5A).

On the other hand, the air supply blower 20 sucks external air (hereinafter, referred to as cool air) directly into the air supply chamber 3 in the housing 1 via the air supply duct 6 (or 6A). The cool air is supplied from the air supply chamber 3 through the air supply blower 20 to the blowing section 2.
It is blown out from 4.

From the place where the blow-out part 24 is provided in communication with the double floor A, the cool air is blown along the space S of the double floor A. Then, the air is blown out from an outlet (not shown) provided in the double floor A to the ventilated room R, and exchanges heat with heat generated from a communication machine or a computer device.

The hot air in the room R to be ventilated is exhausted to the outside by the exhaust blower 8, so that sufficient ventilation is provided to lower the temperature of the room due to the outside air. An air-conditioning operation called so-called outside air cooling is performed.

Unlike a cooling device constituting a refrigeration cycle, this ventilating device does not require a compressor or a heat exchanger, so that equipment costs are low and running costs are reduced.

By controlling the air blower 20 and the exhaust blower 8 through the inverter circuit 30, the air flow can be reduced or stopped when the outside air temperature becomes particularly low. The amount of power can be reduced.

For example, when the indoor target set temperature is 37 ° C. as the operation control condition range, and the indoor temperature is equal to or lower than the target set temperature, or particularly when the outside air temperature is low, the operating speed of each of the blower motors 9 and 21 is reduced. Then, the blowing amount is reduced or stopped. When the room temperature is equal to or higher than the target set temperature, control is performed so as to increase the amount of air blown.

In particular, since the electric motor 21 of the air supply blower 20 is surrounded by the auxiliary duct 26 and the heat generated from the electric motor 21 is exhausted to the outside through the exhaust air blower 8, the cool air guided to the room R to be ventilated is reduced. The heat of the electric motor 21 does not mix, so that the temperature of the cool air is maintained as it is.

This ventilator is basically arranged on the front of the window W as shown in FIG. 2, and connects the air supply duct 5A and the exhaust duct 6A provided on the rear side to the window frame. However, recently, a double floor A is often provided in a communication machine room or a computer room, and a space for disposing a cooling device is secured.

In the present invention, a ventilation device is provided as a substitute for the cooling device. By arranging this ventilation device using the arrangement space of the cooling device, there is no change in the arrangement space of the communication machine and the computer device. Installation work can be performed easily.

Further, since the air supply duct 6 and the air exhaust duct 5 can be connected to both sides as well as the rear surface of the housing 1, the degree of freedom of the installation position of the ventilation device is increased, and the cost for changing the double floor A is reduced. Reduction can be achieved.

Since the insect filters 14 and 17 are mounted on the exhaust chamber 2 and the air supply chamber 3, external insects enter the ventilation chamber R via the housing 1 during the ventilation operation as well as during the stop. And the insects do not hinder the operation of the communication machine or computer device.

In particular, since the air supply chamber 3 is provided with the sea salt particle filter 18, even if the apparatus is used near the sea, there is no possibility that salt damage will occur in a communication machine or a computer device.

[0047]

As described above, according to the present invention, the so-called outside air cooling can be performed to prevent the adverse effect of the heat of the communication machine and the computer device, and therefore, the running cost can be reduced as compared with the cooling device having a refrigeration cycle. It is possible to greatly reduce the power consumption and to achieve effects such as contributing to energy saving.

[Brief description of the drawings]

FIG. 1 is a schematic front view of a ventilator, showing one embodiment of the present invention.

FIG. 2 is a schematic side view of the ventilation device, showing the embodiment.

FIG. 3 is an electric circuit diagram of the ventilator, showing the embodiment.

[Explanation of symbols]

 R: room to be ventilated, 1: main body (housing), 3: air supply chamber, 2: exhaust chamber, 6, 6A: air supply duct, 5, 5A: air exhaust duct, 20: air supply blower, 8: exhaust air Blower, 14, 17 ... insect repellent filter, 18 ... sea salt particle filter, W ... window (of a ventilated room), 9 ... motor (of an exhaust blower), 21 ... motor (of an air supply blower), 30 ... inverter circuit, 40: control circuit, 26: auxiliary duct.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Kohei Okazumi 3-4-1 Shibaura, Minato-ku, Tokyo F-term in NTT Facilities Co., Ltd. (Reference) 3L058 BF09 BG03 3L061 BE02 BF02

Claims (5)

[Claims] 1. A ventilating apparatus intended for a room to be ventilated, which is a room in which a communication machine, a computer device and the like are arranged, comprising: an apparatus body; an air supply chamber and an exhaust chamber provided in the apparatus body; An air supply duct and an exhaust duct that communicate the chamber and the exhaust chamber with the outside of the ventilated room; an air supply blower that takes in the external air of the ventilated room into the air supply chamber and blows the air into the ventilated room; A ventilator for introducing air into the exhaust chamber and blowing air to the outside of the room to be ventilated. 2. The ventilation device according to claim 1, wherein each of the air supply chamber and the exhaust chamber has a filter. 3. The ventilator according to claim 1, wherein the air supply duct and the exhaust duct each have an opening at a distal end thereof attached to a window of the room to be ventilated. 4. The air supply blower and the exhaust blower each include:
It consists of an electric motor and a fan provided in this electric motor,
The ventilation device according to any one of claims 1 to 3, wherein each of the electric motors is connected to an inverter circuit to control an air flow rate. 5. The apparatus according to claim 1, further comprising an auxiliary duct surrounding the electric motor of the air supply blower and guiding heat generated from the electric motor to the exhaust air blower in the apparatus main body. The ventilation device according to any one of the above.