JP6985759B1 - Blower unit and box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a blower unit and a box body capable of efficiently cooling the inside of a case. A blower unit of the present invention is a blower unit including a box-shaped case, a blower housed inside the case, and a box-shaped box body housed inside the case. The case has a case inlet and a case outlet, the blower has a suction port, a discharge port, and an attached fan, and the box body has a box body inlet and a box body outlet. The exhaust from the outlet of the blower enters the inside of the box from the entrance of the box through the duct, goes out of the box from the exit of the box, and then goes out of the case from the outlet of the case. The cooling air induced by the attached fan enters the inside of the case from the case entrance, then flows on the surface of the blower, and then flows out of the box while flowing in the same direction as the exhaust from the box. It merges with the exhaust and is designed to go out of the case from the case outlet. [Selection diagram] FIG. 4

Description

The present invention relates to a blower unit and a box body.

Conventionally, there is a blower unit in which a blower is housed inside a case (for example, Patent Document 1). According to Patent Document 1, noise can be reduced by accommodating the blower inside the case.

Public Utility Model Showa 57-172194

However, in the conventional blower unit as described above, there is a problem that the inside of the case tends to become hot by accommodating the blower inside the case.

An object of the present invention is to provide a blower unit and a box body capable of efficiently cooling the inside of a case.

The blower unit of the present invention is
With a box-shaped case,
With the blower housed inside the case,
A box-shaped box house housed inside the case and
It is a blower unit equipped with
The case has a case inlet and a case exit.
The blower has a suction port, a discharge port, and an attached fan.
The box body has a box body entrance and a box body exit.
The exhaust gas from the discharge port of the blower enters the inside of the box body from the box body inlet through the duct, goes out of the box body from the box body outlet, and then goes out of the box body from the box body outlet, and then from the case outlet to the case. It is designed to go out of
The cooling air induced by the attached fan enters the inside of the case from the case inlet, flows on the surface of the blower, and then flows in the same direction as the exhaust gas discharged from the box body to the box. It merges with the exhaust gas coming out of the body and goes out of the case from the case outlet.

In the blower unit of the present invention
It is preferable that the box body outlet is located on the upstream side of the case outlet.

In the blower unit of the present invention
The case outlet is formed on the bottom wall of the case.
The box body outlet is located above the case outlet, and is located above the case outlet.
The exhaust gas from the discharge port of the blower enters the inside of the box body from the box body inlet through the duct, goes out downward from the box body outlet to the outside of the box body, and then flows downward. It is preferable that the case is made to go out of the case from the outlet of the case.

In the blower unit of the present invention
It is preferable that a sound absorbing material is attached to the inner wall surface of the box body.

In the blower unit of the present invention
An upstream vertical wall that separates the control equipment room and the blower storage room inside the case,
A control device arranged in the control device room and configured to control the blower, and a control device.
Further prepare
The case entrance communicates with the control equipment room.
The blower is arranged in the blower accommodating chamber.
The upstream vertical wall has an upstream vertical wall hole that communicates the control equipment room and the blower accommodating room.
The cooling air induced by the attached fan enters the inside of the control equipment room from the case inlet, and then enters the blower accommodating chamber through the upstream vertical wall hole, and enters the blower accommodating chamber on the surface of the blower. It is preferable that it is made to flow.

In the blower unit of the present invention
A downstream vertical wall that separates the blower accommodating chamber and the exhaust chamber inside the case is further provided.
The blower is arranged in the blower accommodating chamber.
The box body is arranged in the exhaust chamber, and the box body is arranged in the exhaust chamber.
The downstream vertical wall has a downstream vertical wall hole that communicates the blower accommodating chamber and the exhaust chamber.
The cooling air induced by the attached fan flows on the surface of the blower in the blower accommodating chamber, enters the exhaust chamber through the downstream vertical wall hole, and then exits from the box body. It is preferable that the exhaust gas flows in the same direction as the exhaust gas and joins the exhaust gas emitted from the box body.

In the blower unit of the present invention
A side wall that separates the upper chamber and the lower chamber inside the blower storage chamber inside the case is further provided.
The blower unit includes an upper blower and a lower blower as the blower.
The upper blower is arranged in the upper chamber.
It is preferable that the lower blower is arranged in the lower chamber.

In the blower unit of the present invention
The side wall has a side wall hole that communicates the upper chamber and the lower chamber.
The cooling air induced by the attached fan of the lower blower flows on the surface of the lower blower, enters the upper chamber through the side wall hole, and is subsequently induced by the attached fan of the upper blower. It is said that it merges with the cooling air to be discharged, goes out of the upper chamber, and then joins the exhaust gas discharged from the box body while flowing in the same direction as the exhaust gas discharged from the box body. , Suitable.

In the blower unit of the present invention
A sound absorbing material is attached to the inner wall surface of the box body.
The box body has a first box body entrance and a second box body entrance as the box body entrance.
The exhaust gas from the discharge port of the upper blower is made to enter the inside of the box body from the entrance of the first box body through the first duct.
The exhaust gas from the discharge port of the lower blower is made to enter the inside of the box body from the entrance of the second box body through the second duct.
The central axis of the entrance of the first box and the central axis of the entrance of the second box extend perpendicular to each other, whereby the exhaust air entering the inside of the box from the entrance of the first box It is preferable that the exhausts entering the inside of the box from the entrance of the second box are made to merge while flowing vertically with each other.

The box body of the present invention is
The box-shaped box body used for the blower unit.
The first box body entrance and
With the second box body entrance
With the box body exit,
The sound absorbing material attached to the inner wall surface of the box body and
Equipped with
The central axis of the first box inlet and the central axis of the second box inlet extend perpendicular to each other, whereby the exhaust that enters the inside of the box from the first box inlet. The exhaust that enters the inside of the box from the entrance of the second box flows vertically to each other and joins.

According to the present invention, it is possible to provide a blower unit and a box body that can efficiently cool the inside of the case.

It is a perspective view which shows the appearance of the blower unit which concerns on one Embodiment of this invention in the state seen from the oblique front side. It is a perspective view which shows the appearance of the blower unit of FIG. 1 in the state seen from the oblique rear side. It is a front view which shows the blower unit of FIG. 1 together with the internal structure in a state seen from the front side. It is a right side view which shows the blower unit of FIG. 1 together with the internal structure in a state seen from the right side. It is a top view which shows the blower unit of FIG. 1 together with the internal structure in a state seen from the upper side. It is a rear view which shows the blower unit of FIG. 1 together with the internal structure in the state which was seen from the rear side. FIG. 6 is an enlarged view of a main part showing a portion in the vicinity of the box body of FIG. 6 as viewed from diagonally below. It is an enlarged view of the main part which shows the cover for a box body of the box body of FIG. 6 in the state seen from the front side. It is a right side view which shows the blower unit which concerns on one modification of this invention, together with the internal structure, in the state seen from the right side. It is a rear view showing the blower unit of FIG. 9 together with the internal structure in a state seen from the rear side.

The blower unit of the present invention can be used in any system using a blower, and any system using the blower for sucking air (for example, a system for discharging air in a room such as a clean room to the outside of the room). Alternatively, it can be particularly suitably used for a system that discharges air in a device such as a machine tool to the outside of the device).
The box body of the present invention can be used for any device having a first duct and a second duct to generate exhaust gas from each of the first duct and the second duct, and is a blower provided with two blowers. It is particularly suitable for use in units.
Hereinafter, embodiments of the blower unit and the box body according to the present invention will be exemplified and described with reference to the drawings.
The components common to each figure are designated by the same reference numerals.

1 to 6 show a blower unit 1 according to an embodiment of the present invention. FIG. 1 is a perspective view showing the appearance of the blower unit 1 according to the embodiment of the present invention when viewed from the diagonally front side. FIG. 2 is a perspective view showing the appearance of the blower unit 1 of FIG. 1 when viewed from the diagonally rear side. FIG. 3 is a front view showing the blower unit 1 of FIG. 1 as viewed from the front side together with the internal structure. FIG. 4 is a right side view showing the blower unit of FIG. 1 as viewed from the right side together with the internal structure. FIG. 5 is a top view showing the blower unit of FIG. 1 as viewed from above together with the internal structure. FIG. 6 is a rear view showing the blower unit of FIG. 1 together with the internal structure as viewed from the rear side.
As shown in FIGS. 1 to 6, the blower unit 1 includes a case 2, one or more blowers 3U, 3L, and a box body 4.

The case 2 is configured in a box shape. More specifically, as shown in FIGS. 1 to 6, the case 2 has a front wall 23, a rear wall 24, a pair of left and right side walls 25, an upper wall 26, and a bottom wall 27. There is.
In FIGS. 3 to 6, for convenience, a part of the internal structure of the case 2 is shown by a solid line.
As shown by the arrows in each figure, in the present specification, for convenience, "front" and "rear" when the direction when the front wall 23 is viewed from the inside of the case 2 is "front". , "Left", "Right", "Top", "Bottom" are simply referred to as "Front", "Back", "Left", "Right", "Top", and "Bottom", respectively.
The case 2 has one or more (plural) case inlets 21 and one or more (one in the example of the figure) case outlets 22. The case inlet 21 and the case outlet 22 are provided to allow air to pass through.
In the example of FIGS. 1 to 6, the case inlet 21 is formed on the side wall 25. The case entrance 21 is arranged on the side wall 25 so as to be offset to the front side. The case inlet 21 communicates with the control equipment room CR described later (FIG. 4). In the example of the figure, each side wall 25 is provided with a plurality of case inlets 21, but each side wall 25 may be provided with one case inlet 21, or only one of the side walls 25 may be provided. One or more case inlets 21 may be provided.
In the example of FIGS. 1 to 6, the case outlet 22 is formed on the bottom wall 27. The case outlet 22 is arranged on the bottom wall 27 so as to be offset to the rear side. The case outlet 22 communicates with the exhaust chamber DR described later (FIG. 4).
The blower unit 1 further includes legs 28. The legs 28 extend vertically between the bottom wall 27 and the floor surface, whereby the bottom wall 27 is configured to be positioned above the floor surface. As a result, the case outlet 22 formed on the bottom wall 27 is prevented from being blocked by the floor surface, and as a result, the wind from the inside of the case 2 to the outside of the case 2 via the case outlet 22 is generated. It is designed to allow it to flow downwards. The legs 28 include, for example, casters and the like.
However, the case outlet 22 may be formed at an arbitrary position in the case 2 as long as it is arranged on the rear side in the case 2, and is formed on, for example, the upper wall 26, the side wall 25, or the rear wall 24. May be good. Even in that case, it is preferable that the case outlet 22 communicates with the exhaust chamber DR.

Blowers 3U and 3L (FIGS. 3 to 5) are housed inside the case 2. In the example of the figure, the blower unit 1 includes two blowers 3U and 3L. One blower 3U is an upper blower 3U, and the other blower 3L is a lower blower 3L. However, the blower unit 1 may include only one or three or more blowers 3U and 3L.
As shown in FIGS. 3 to 5, each blower 3U, 3L has a suction port 3U1, 3L1, a discharge port 3U2, 3L2, and an attached fan 3U3, 3L3, respectively.
The blowers 3U and 3L are configured to suck air from the suction ports 3U1 and 3L1 and discharge air from the discharge ports 3U2 and 3L2 during operation. Further, the blowers 3U and 3L are configured to drive the attached fans 3U3 and 3L3 during operation.
The attached fans 3U3 and 3L3 are configured to cool the blowers 3U and 3L by flowing the cooling air (white arrows in each figure) induced by the attached fans 3U3 and 3L3 on the surfaces of the blowers 3U and 3L. Has been done.
Blowers 3U and 3L tend to generate a large amount of heat and noise. The noise includes noise generated from the blowers 3U and 3L itself and noise generated from exhaust gas from the blowers 3U and 3L.

Ducts 51 and 52 are connected to the blowers 3U and 3L. A first duct (duct) 51 is connected to the upper blower 3U. A second duct (duct) 52 is connected to the lower blower 3L. The first duct 51 and the second duct 52 have a suction side duct 511 and 521 and a discharge side duct 512 and 522, respectively.
The corresponding suction side ducts 511 and 521 are connected to the suction ports 3U1 and 3L1 of the blowers 3U and 3L, respectively (FIGS. 3 to 4). The inflow ports 511a and 521a (FIG. 1) of the suction side ducts 511 and 521 are arranged outside the case 2. In the example of the figure, each suction side duct 511 and 521 penetrate the front wall 23 of the case 2, and the inflow ports 511a and 521a of each suction side duct 511 and 521 are located on the front side of the front wall 23. ing. However, the inflow ports 511a and 521a of the suction side ducts 511 and 521 may be arranged at arbitrary positions as long as they are arranged outside the case 2.
The inlets 511a and 521a of the suction side ducts 511 and 521 are any system (eg, in a room such as a clean room) in which the blower is used for sucking air, for example via a hose (not shown). In a system that discharges air to the outside of a room or a system that discharges air inside a device such as a machine tool to the outside of the device), it is connected to the room or device and sucks air from the room or device. Be made.
The outlets 511b and 521b of the suction side ducts 511 and 521 are connected to the suction ports 3U1 and 3L1 of the corresponding blowers 3U and 3L, respectively (FIGS. 3 to 4).
The corresponding discharge side ducts 512 and 522 are connected to the discharge ports 3U2 and 3L2 of the blowers 3U and 3L, respectively (FIGS. 3, FIGS. 5 to 6). The inflow ports 512a and 522a (FIG. 3) of the discharge side ducts 512 and 522 are connected to the discharge ports 3U2 and 3L2 of the corresponding blowers 3U and 3L, respectively. The outlets 512b and 522b (FIG. 6) of the discharge side ducts 512 and 522 are connected to the box body 4.
If the ducts 51 and 52 are provided with a silencer, noise can be reduced, which is preferable.

FIG. 7 is an enlarged view of a main part showing a portion in the vicinity of the box body 4 of FIG. 6 as viewed from diagonally below. FIG. 8 is an enlarged view of a main part showing the box body cover 41 (described later) of the box body 4 of FIG. 6 as viewed from the front side.
The box body 4 is housed inside the case 2. The box body 4 is configured in a box shape. As shown in FIGS. 6 to 8, the box body 4 has one or more (two in the example of the figure) box body inlets 431 and 432 and one box body outlet 44.
In the example of the figure, the box body 4 has a first box body inlet 431 and a second box body entrance 432 as the box body inlets 431 and 432.
The outlets 512b and 522b (FIG. 6) of the discharge side ducts 512 and 522 of the ducts 51 and 52 are connected to the box body inlets 431 and 432 of the box body 4. Specifically, the outlet 512b of the discharge side duct 512 of the first duct 51 is connected to the first box body inlet 431 of the box body 4, and the outlet 522b of the discharge side duct 522 of the second duct 52 is connected to the first box body inlet 431. It is connected to the second box body entrance 432 of the box body 4.

Here, the operation of the blower unit 1 of the present embodiment will be described.
As shown by the black arrows in FIGS. 1 and 3 to 5, the air entering the inlet 511a and 521a of the suction side ducts 511 and 521 of the ducts 51 and 52 is the suction side ducts 511 and 521 of the ducts 51 and 52. After passing through, it enters the suction ports 3U1 and 3L1 of the blowers 3U and 3L. Specifically, the air that has entered the inflow port 511a of the suction side duct 511 of the first duct 51 passes through the suction side duct 511 and then enters the suction port 3U1 of the upper blower 3U. On the other hand, the air that has entered the inflow port 521a of the suction side duct 521 of the second duct 52 passes through the suction side duct 521 and then enters the suction port 3L1 of the lower blower 3L.
Further, as shown by the black arrows in FIGS. 5 to 8, the exhaust from the discharge ports 3U2 and 3L2 (FIG. 3) of the blowers 3U and 3L is exhausted from the ducts 51 and 52 via the discharge side ducts 512 and 522 in the box. Enter the inside of the box 4 from the body entrances 431 and 432. Specifically, the exhaust gas from the discharge port 3U2 of the upper blower 3U enters the inside of the box body 4 from the first box body inlet 431 via the discharge side duct 512 of the first duct 51. On the other hand, the exhaust gas from the discharge port 3L2 of the lower blower 3L enters the inside of the box body 4 from the second box body inlet 432 via the discharge side duct 522 of the second duct 52.
As shown by the black arrows in FIGS. 4 to 8, each exhaust gas entering the inside of the box body 4 goes out of the box body 4 from the box body outlet 44, and then goes out of the case 2 from the case outlet 22. ..
On the other hand, as shown by the white arrows in FIGS. 1 to 6, the cooling air induced by the attached fans 3U3 and 3L3 of the blowers 3U and 3L enters the inside of the case 2 from the case inlet 21 and then the blower 3U. , Flows on the surface of 3L, then joins the exhaust from the box 4 while flowing in the same direction as the exhaust from the box 4 (black arrows in each figure), and exits from the case outlet 22 to the outside of the case 2. ..

Next, the effect of the blower unit 1 of the present embodiment will be described.
First, according to the present embodiment, as described above, the blowers 3U and 3L are housed inside the case 2. Thereby, the noise generated by the exhaust from the blowers 3U and 3L itself and the blowers 3U and 3L can be reduced.
Further, according to the present embodiment, as described above, the box body 4 is housed inside the case 2, and the exhaust from the blowers 3U and 3L discharge ports 3U2 and 3L2 is exhausted through the ducts 51 and 52. The box body inlets 431 and 432 enter the inside of the box body 4, and the box body outlet 44 exits the box body 4, and then the case outlet 22 exits the case 2. As a result, the exhaust from the blowers 3U and 3L discharge ports 3U2 and 3L2 is not discharged directly into the case 2, but is once discharged into the box body 4, so that the box body 4 is not provided temporarily. Compared to the case, it is possible to suppress the exhaust from hitting the case 2 strongly, and it is possible to reduce noise and vibration.
Further, according to the present embodiment, as described above, the cooling air induced by the attached fans 3U3 and 3L3 of the blowers 3U and 3L enters the inside of the case 2 from the case inlet 21 and then the blowers 3U and 3L. It flows on the surface of the box, then flows in the same direction as the exhaust from the box 4, joins the exhaust from the box 4, and exits from the case outlet 22 to the outside of the case 2. In this way, the cooling air induced by the attached fans 3U3 and 3L3 of the blowers 3U and 3L flows in the same direction as the exhaust gas from the box body 4 and joins with the exhaust gas from the box body 4 from the case outlet 22. By going out of the case 2, the flow of cooling air in the case 2 is promoted. As a result, the inside of the case 2, which tends to be hot due to the inclusion of the blowers 3U and 3L, can be efficiently cooled.

As shown in FIGS. 4 and 6, in the example of the figure, the box body outlet 44 of the box body 4 is located on the upstream side of the case outlet 22 of the case 2.
More specifically, in the example of the figure, the case outlet 22 is formed on the bottom wall 27 of the case 2, and the box body outlet 44 is located above the case outlet 22. Then, the exhaust from the discharge ports 3U2 and 3L2 of the blowers 3U and 3L enters the inside of the box body 4 from the box body inlets 431 and 432 via the discharge side ducts 512 and 522 of the ducts 51 and 52, and enters the inside of the box body 4 and exits from the box body. After going out of the box body 4 downward from 44, it is made to go out of the case 2 from the case outlet 22 while flowing downward. Further, the cooling air induced by the attached fans 3U3 and 3L3 of the blowers 3U and 3L enters the inside of the case 2 from the case inlet 21, then flows on the surface of the blowers 3U and 3L, and then flows from the box body 4. While flowing in the same direction (downward) as the exhaust gas, it merges with the exhaust gas from the box body 4 and goes out of the case 2 from the case outlet 22.
Since the box outlet 44 is located upstream of the case outlet 22 in this way, the cooling air and the exhaust flow together in the same direction from the box outlet 44 to the case outlet 22. Therefore, the flow of the cooling air in the case 2 is further promoted as compared with the case where the box body outlet 44 and the case outlet 22 are located at the same position. As a result, the inside of the case 2 can be cooled more efficiently.
However, the box body outlet 44 and the case outlet 22 may be located at the same position.

The blower unit 1 has a blower accommodating chamber BR inside the case 2. In the example of the figure, the blower accommodating chamber BR is partitioned by an upstream vertical wall 71 described later, a pair of side walls 25, an upper wall 26, a bottom wall 27, and a downstream vertical wall 73 described later. .. The blowers 3U and 3L are arranged in the blower storage chamber BR.

As shown in FIG. 4, in the example of the figure, the blower unit 1 further includes a side wall 74 that separates the upper chamber UR and the lower chamber LR inside the blower accommodating chamber BR inside the case 2. .. The upper chamber UR is located above the lower chamber LR.
The blower unit 1 includes an upper blower 3U and a lower blower 3L as blowers 3U and 3L. The upper blower 3U is arranged in the upper chamber UR, and the lower blower 3L is arranged in the lower chamber LR. In the example of the figure, the upper blower 3U is installed on the side wall 74. Further, the lower blower 3L is installed on the bottom wall 27 of the case 2.
As described above, in the example of the figure, the blower unit 1 has two blowers 3U and 3L, and the blower storage chamber BR 2 so that these two blowers 3U and 3L can be arranged along the vertical direction. It is configured in a stepped manner.
However, when the blower unit 1 has only one blower 3U or 3L, the blower accommodating chamber BR is configured in a one-stage system. In that case, the blower unit 1 does not include the side wall 74. When the blower unit 1 has three or more blowers 3U and 3L, the blower accommodating chamber BR is configured in a multi-stage system with three or more stages so that these three or more blowers 3U and 3L can be arranged along the vertical direction. Will be done. In that case, the blower unit 1 includes a plurality of side walls 74.
As shown in the example of the figure, when the blower unit 1 has two or more blowers 3U and 3L and the blower accommodating chamber BR is configured in a multi-stage system with two or more stages, noise tends to be particularly loud. In addition, the temperature inside the case 2 tends to be particularly high. Therefore, in this case, the configuration for noise reduction and the configuration for cooling as described in the present specification are particularly advantageous.

As shown in FIGS. 4 and 5, the blower unit 1 further includes an upstream vertical wall 71 that separates the control equipment room CR and the blower storage room BR inside the case 2. The upstream vertical wall 71 extends vertically.
The space in front of the upstream vertical wall 71 is the control equipment room CR. The control equipment room CR is partitioned by an upstream vertical wall 71, a front wall 23, a pair of side walls 25, an upper wall 26, and a bottom wall 27.
As shown in FIGS. 3 to 5, the blower unit 1 is arranged in the control equipment room CR and is configured to control the blowers 3U and 3L, one or more (multiple in the example of the figure). The control device 8 is further provided. The control device 8 is, for example, an inverter, a switch device, or the like. Each control device 8 is attached to the front surface of the upstream vertical wall 71. The control device 8 tends to generate a large amount of heat.
The case inlet 21 communicates with the control equipment room CR.
The space behind the upstream vertical wall 71 is the blower accommodating chamber BR.
The upstream vertical wall 71 has one or a plurality (two in the example of the figure) upstream vertical wall holes 71a that communicate the control equipment room CR and the blower accommodating room BR (FIGS. 3 and FIG. 4). Specifically, in the example of the figure, the upstream vertical wall 71 has an upstream vertical wall hole 71a that communicates the control equipment room CR and the upper chamber UR of the blower storage chamber BR, and the control equipment room CR and the blower storage chamber BR. It has an upstream vertical wall hole 71a that communicates with the lower chamber LR. Each upstream vertical wall hole 71a is arranged so as to face the attached fans 3U3 and 3L3 of the blowers 3U and 3L, respectively (FIG. 4).
As shown in FIGS. 3 to 5, the cooling air (white arrow) induced by the attached fans 3U3 and 3L3 of the blowers 3U and 3L enters the inside of the control equipment room CR from the case inlet 21 and then upstream. It enters the blower accommodating chamber BR (specifically, in the example of the figure, the upper chamber UR and the lower chamber LR) through the side vertical wall hole 71a, and flows on the surfaces of the blowers 3U and 3L. In the example of the figure, the cooling air that has entered the upper chamber UR through the upstream vertical wall hole 71a communicating with the upper chamber UR is made to flow on the surface of the upper blower 3U, and is also made to flow on the surface of the upper blower 3U. The cooling air that has entered the lower chamber LR through the upstream vertical wall hole 71a communicating with the chamber LR is made to flow on the surface of the lower blower 3L.
As a result, the inside of the control equipment room CR, which tends to become hot due to heat generated from the control equipment 8, can be efficiently cooled by the cooling air induced by the attached fans 3U3 and 3L3 of the blowers 3U and 3L. ..
Further, by partitioning the control equipment room CR and the blower storage room BR by the upstream vertical wall 71, the control equipment room is located between the blower storage room BR where noise is generated from the blowers 3U and 3L and the outside of the case 2. Since the CR intervenes and the air layer in the control equipment room CR can exhibit sound insulation performance, it is possible to suppress the noise from the blower accommodating room BR from leaking to the outside of the case 2 (that is, the noise can be reduced). ..
However, the blower unit 1 does not have to include the upstream vertical wall 71. In that case, the control equipment room CR and the blower storage room BR form one room.

In the example of the figure, as shown in FIGS. 4 and 5, the blower unit 1 is placed in the blower accommodating chamber BR (specifically, in the example of the figure, the upper chamber UR and the lower chamber LR), and the guide pipe 72. (2 in the example of the figure). The guide tube 72 is oriented so that the central axis of the guide tube 72 extends in the front-rear direction. The guide pipe 72 is attached to the rear surface of the upstream vertical wall 71 so that the center hole of the guide pipe 72 communicates with the upstream vertical wall hole 71a. The guide pipe 72 is provided for each upstream vertical wall hole 71a. One end (front end) of the guide pipe 72 faces the upstream vertical wall hole 71a. The other end (rear end) of the guide pipe 72 faces the attached fans 3U3 and 3L3 of the blowers 3U and 3L. As a result, the cooling air that has entered the blower accommodating chamber BR (specifically, in the example of the figure, the upper chamber UR and the lower chamber LR) from the control equipment chamber CR via the upstream vertical wall hole 71a is smoother. In addition, it can flow toward the attached fans 3U3 and 3L3 of the blowers 3U and 3L. As a result, the flow of the cooling air (white arrow) induced by the attached fans 3U3 and 3L3 of the blowers 3U and 3L is further promoted. Therefore, the inside of the case 2 can be cooled more efficiently.
However, the guide pipe 72 may not be provided.

In the example of the figure, as shown in FIGS. 4 and 5, the side wall 74 has one or more side wall holes 74a (two in the example of the figure) that communicate the upper chamber UR and the lower chamber LR. is doing.
In the example of the figure, as shown by the white arrow in FIG. 4, the cooling air induced by the attached fan 3L3 of the lower blower 3L flows on the surface of the lower blower 3L and then passes through the side wall hole 74a. It enters the upper chamber UR, then joins the cooling air induced by the attached fan 3U3 of the upper blower 3U, and exits the upper chamber UR (in the example of the figure, to the exhaust chamber DR described later). After that, the air flows in the same direction as the exhaust from the box 4 (black arrow) and merges with the exhaust from the box 4.
In this way, the cooling air induced by the attached fan 3L3 of the lower blower 3L is warmed by flowing on the surface of the lower blower 3L, and then naturally rises easily due to the warming. By ascending through the side wall hole 74a and flowing into the upper chamber UR, the flow of the cooling air in the blower accommodating chamber BR becomes smoother. Therefore, the inside of the case 2 can be cooled more efficiently.

In the example of the figure, as shown in FIGS. 4 to 6, the blower unit 1 further includes a downstream vertical wall 73 that separates the blower accommodating chamber BR and the exhaust chamber DR inside the case 2. There is. The downstream vertical wall 73 extends vertically.
The space in front of the downstream vertical wall 73 is the blower accommodating chamber BR.
The space behind the vertical wall 73 on the downstream side is the exhaust chamber DR. The exhaust chamber DR is partitioned by a downstream vertical wall 73, a rear wall 24, a pair of side walls 25, an upper wall 26, and a bottom wall 27.
The downstream vertical wall 73 has one or a plurality (one in the example of the figure) of the downstream vertical wall holes 73a that communicate the blower accommodating chamber BR and the exhaust chamber DR.
The case outlet 22 of the case 2 communicates with the exhaust chamber DR.
The box body 4 is arranged in the exhaust chamber DR.
In the example of the figure, as shown in FIGS. 4 to 6, the cooling air (white arrow) induced by the attached fans 3U3 and 3L3 of the blowers 3U and 3L is the blowers 3U and 3L in the blower accommodating chamber BR. After flowing on the surface of the box, it enters the exhaust chamber DR through the vertical wall hole 73a on the downstream side, and then is guided by the rear wall 24 of the case 2, so that the exhaust (black arrow) from the box body 4 is formed. While flowing in the same direction (downward in the example of the figure), it merges with the exhaust from the box body 4 and goes out of the case 2 from the case outlet 22.
By partitioning the blower accommodating chamber BR and the exhaust chamber DR by the downstream vertical wall 73, the exhaust chamber DR is interposed between the blower accommodating chamber BR where noise is generated from the blowers 3U and 3L and the outside of the case 2. Therefore, since the air layer in the exhaust chamber DR can exhibit the sound insulation performance, it is possible to suppress the noise from the blower accommodating chamber BR from leaking to the outside of the case 2 (that is, the noise can be reduced).
Further, the exhaust gas (black arrow) from the blower 3U, 3L discharge ports 3U2, 3L2 is not discharged directly into the exhaust chamber DR, but is once discharged into the box body 4, so that the box body is tentatively discharged. Compared with the case where 4 is not provided, it is possible to suppress the exhaust from strongly hitting the portion (rear wall 24 and side wall 25) of the case 2 that divides the exhaust chamber DR, and it is possible to reduce noise and vibration.

In the example of the figure, as shown in FIG. 6, the downstream vertical wall hole 73a of the downstream vertical wall 73 communicates the upper chamber UR of the blower accommodating chamber BR with the exhaust chamber DR. In the example of the figure, the downstream vertical wall 73 does not have the downstream vertical wall hole 73a that communicates the lower chamber LR of the blower accommodating chamber BR and the exhaust chamber DR. With such a configuration, the cooling air (white arrow) warmed by the blowers 3U and 3L in the blower storage chamber BR and easily rises naturally is more smoothly passed through the downstream vertical wall hole 73a. You can enter the exhaust chamber DR. Therefore, the flow of the cooling air in the case 2 becomes smoother, and the inside of the case 2 can be cooled more efficiently.
Further, in the example of the figure, as shown in FIG. 6, the downstream vertical wall hole 73a of the downstream vertical wall 73 is provided so as to communicate with the upper part of the upper chamber UR. As a result, the cooling air (white arrow) that has been warmed by the blowers 3U and 3L in the blower storage chamber BR and has become easier to rise naturally flows more smoothly through the exhaust chamber DR through the downstream vertical wall hole 73a. You can go inside. Therefore, the flow of the cooling air in the case 2 becomes smoother, and the inside of the case 2 can be cooled more efficiently.
However, the blower unit 1 does not have to include the downstream vertical wall 73. In that case, the blower accommodation chamber BR and the exhaust chamber DR form one room.

In the example of the figure, as shown in FIGS. 4 to 6, the sound absorbing material 61 is attached to the inner wall surface of the portion of the case 2 that partitions the exhaust chamber DR. More specifically, in the example of the figure, the sound absorbing material 61 is attached to the inner wall surface of the rear wall 24 of the case 2 and the inner wall surface of the side wall 25 of the case 2 (more specifically, the side wall 25 on the right side). ing. Thereby, the noise in the exhaust chamber DR can be reduced more effectively.
The sound absorbing material 61 is made of, for example, glass wool.
However, the sound absorbing material 61 may not be attached to the inner wall surface of the portion of the case 2 that partitions the exhaust chamber DR.

In the embodiment shown in FIGS. 1 to 8, the blower unit 1 does not have a fan inside the case 2 other than the attached fans 3U3 and 3L3 of the blowers 3U and 3L. According to the present embodiment, even if a separate fan is not provided, the inside of the case 2 can be sufficiently and effectively cooled only by the cooling air induced by the attached fans 3U3 and 3L3 of the blowers 3U and 3L. It is possible.
However, the blower unit 1 may include a fan 9 inside the case 2 in addition to the attached fans 3U3 and 3L3 of the blowers 3U and 3L, as in the modified examples shown in FIGS. 9 to 10. In this case, it is possible to cool the inside of the case 2 more effectively. In the example of FIGS. 9 to 10, the fan 9 is arranged in the exhaust chamber DR. However, the fan 9 may be arranged at an arbitrary position inside the case 2.

In each of the examples described herein, the blower unit 1 may include a temperature switch 10 as in the modified examples shown in FIGS. 9 to 10. The temperature switch 10 monitors the temperature inside the case 2 and is configured to stop the blowers 3U and 3L when the temperature inside the case 2 exceeds a predetermined temperature.
By providing the temperature switch 10, for example, when the attached fans 3U3, 3L3 or the fan 9 break down, the temperature inside the case 2 and the temperature on the outer surface of the case 2 are suppressed from being excessively increased. can do. Thereby, for example, it is possible to prevent a person from feeling excessively hot when touching the outer surface of the case 2.
The temperature switch 10 may be arranged at an arbitrary position inside the case 2. For example, it is preferable that the temperature switch 10 is arranged in the exhaust chamber DR to monitor the temperature in the exhaust chamber DR as in the examples of FIGS. 9 to 10. In the example of FIGS. 9 to 10, the temperature switch 10 is attached to the downstream vertical wall 73 at the same height as the downstream vertical wall hole 73a in the exhaust chamber DR.

Next, the box body 4 will be described in more detail.
As shown in FIGS. 4 to 8, the box body 4 is configured in a box shape as described above. In the example of the figure, the box body 4 is composed of a box body cover 41 and a sixth wall portion 42 separate from the box body cover 41. The box cover 41 is attached to the downstream vertical wall 73. The sixth wall portion 42 is composed of a portion of the downstream vertical wall 73 facing the box cover 41. The box cover 41 is configured in a box shape with one side surface (front surface in the example of the figure) open. As shown in FIGS. 7 and 8, the box body cover 41 includes a first wall portion 41a, a second wall portion 41b facing the first wall portion 41a, a first wall portion 41a, and a second wall portion 41b. The third wall portion 41c connecting the two walls, the fourth wall portion 41d connecting the first wall portions 41a and the second wall portions 41b to each other and facing the third wall portion 41c, and the fifth wall portion 41e are connected to each other. Have. The fifth wall portion 41e connects the first wall portion 41a, the second wall portion 41b, the third wall portion 41c, and the fourth wall portion 41d. The surface of the box cover 41 opposite to the fifth wall portion 41e is open. The fifth wall portion 41e faces the sixth wall portion 42. That is, the open surface of the box cover 41 is closed by the sixth wall portion 42.
In the example of the figure, the first wall portion 41a forms a left wall portion having an outer wall surface facing the left side, and the second wall portion 41b forms a right wall portion having an outer wall surface facing the right side. The third wall portion 41c forms a lower wall portion having an outer wall surface facing downward, the fourth wall portion 41d forms an upper wall portion having an outer wall surface facing upward, and the fifth wall portion 41e forms a lower wall portion. The sixth wall portion 42 forms a front wall portion having an outer wall surface facing the front side, and the sixth wall portion 42 forms a front wall portion having an outer wall surface facing the front side.

The box cover 41 further has a flange 41f connected to the end of each of the first wall portion 41a, the second wall portion 41b, and the fourth wall portion 41d on the sixth wall portion 42 side. There is. Each flange 41f is attached to the sixth wall portion 42.

The first wall portion 41a, the second wall portion 41b, the third wall portion 41c, the fourth wall portion 41d, the fifth wall portion 41e, and the sixth wall portion 42 constitute the box body main body portion 4M.
In the example of the figure, the box body 4M has a substantially rectangular parallelepiped in which each corner is angular, but the present invention is not limited to this, and the box body 4M may have any shape, for example, one. It may be a substantially rectangular parallelepiped with rounded (rounded) corners or all corners.

A through hole 41ah is formed in the first wall portion 41a. The box cover 41 has a first cylinder 41 g connected to an outer wall surface (left surface in the example of the figure) of the first wall portion 41a. One end of the first cylinder 41g faces the through hole 41ah of the first wall portion 41a, whereby the central hole of the first cylinder 41g communicates with the through hole 41ah of the first wall portion 41a. The other end of the first cylinder 41g constitutes the first box body inlet 431 of the box body 4. The first box body inlet 431 is connected to the outlet 512b of the discharge side duct 512 of the first duct 51. The box body 4 (specifically, the box body cover 41 in the example of the figure) does not have to have the first cylinder 41 g, and in that case, the through hole 41ah of the first wall portion 41a is the first. One box body entrance 431 may be configured.
A through hole 41ch is formed in the third wall portion 41c. The box cover 41 has a second cylinder 41h connected to an outer wall surface (lower surface in the example of the figure) of the third wall portion 41c. One end of the second cylinder 41h faces the through hole 41ch of the third wall portion 41c, whereby the center hole of the second cylinder 41h communicates with the through hole 41ch of the third wall portion 41c. The other end of the second cylinder 41h constitutes the second box body inlet 432 of the box body 4. The second box body inlet 432 is connected to the outlet 522b of the discharge side duct 522 of the second duct 52. The box body 4 (specifically, the box body cover 41 in the example of the figure) does not have to have the second cylinder 41h, and in that case, the through hole 41ch of the third wall portion 41c is the first. The two-box body entrance 432 may be configured.
Further, the box body outlet 44 of the box body 4 is formed in the third wall portion 41c. The box body outlet 44 is configured by a through hole formed in the third wall portion 41c. However, in the box body 4 (specifically, in the example of the figure, the box body cover 41), a cylinder having a center hole communicating with the through hole is connected to the outer wall surface of the third wall portion 41c. In that case, the end of the cylinder opposite to the through hole may form the box outlet 44.
The sixth wall portion 42 may be provided on the box body cover 41, whereby the box body 4 may be composed of one component.

As shown in FIG. 8, in the example of the figure, the sound absorbing material 62 is attached to the inner wall surface of the box body 4.
The sound absorbing material 62 is made of, for example, glass wool.
In the example of the figure, the sound absorbing material 62 is attached to the inner wall surface of each of the second wall portion 41b, the fourth wall portion 41d, and the fifth wall portion e of the box body 4.
Since the sound absorbing material 62 is attached to the inner wall surface of the box body 4, noise due to exhaust gas (black arrow) entering the inside of the box body 4 can be effectively reduced.
However, the sound absorbing material 62 may not be attached to the inner wall surface of the box body 4.

As shown in FIG. 8, in the example of the figure, the central axis O1 of the first box body inlet 431 and the central axis O2 of the second box body inlet 432 extend vertically to each other. More specifically, in the example of the figure, the central axis O1 of the first box body inlet 431 extends in the left-right direction, and the central axis O2 of the second box body inlet 432 extends in the vertical direction. There is. The central axis O1 of the first box body inlet 431 and the central axis of the through hole 41ah of the first wall portion 41a coincide with each other. Further, the central axis O2 of the second box body inlet 432 and the central axis of the through hole 41ch of the third wall portion 41c coincide with each other. The exhaust gas entering the inside of the box body 4 from the first box body inlet 431 and the exhaust gas entering the inside of the box body 4 from the second box body inlet 432 are arranged to merge while flowing vertically with each other. Each of the exhausts that entered the inside of the box 4 from the first box inlet 431 and the second box inlet 432 merge while flowing vertically with each other, and then go out of the box 4 from the box outlet 44. Has been done.
The exhaust gas entering the inside of the box body 4 from the first box body inlet 431 and the exhaust gas entering the inside of the box body 4 from the second box body inlet 432 merge while flowing vertically with each other. At this time, the flow velocity of each exhaust gas is once reduced, and then the exhaust gases are effectively absorbed by the sound absorbing material 62 while flowing together and more smoothly along the inner wall surface of the box body 4. As a result, for example, the exhaust that enters the inside of the box 4 from the first box inlet 431 and the exhaust that enters the inside of the box 4 from the second box inlet 432 flow in parallel with each other in the same direction. It is possible to suppress the strong impact of each exhaust on the inner wall surface of the box body 4, reduce the vortex and pressure fluctuation generated inside the box body 4, and make the exhaust sound more firmly as a sound absorbing material. Since sound can be absorbed by 62, noise and vibration generated in the box body 4 can be reduced more effectively.
It is preferable that the central axis O1 (including the extension line) of the first box body inlet 431 and the central axis O2 (including the extension line) of the second box body inlet 432 intersect (orthogonally). be. However, as long as the exhaust that enters the inside of the box 4 from the first box inlet 431 and the exhaust that enters the inside of the box 4 from the second box inlet 432 merge while flowing vertically with each other. The central axis O1 of the first box body inlet 431 and the central axis O2 of the second box body inlet 432 may not intersect with each other, and may be located at positions slightly offset from each other.

As shown in FIG. 8, in the example of the figure, the central axis O3 (including the extension line) of the box outlet 44 is parallel to the central axis O2 of the second box inlet 432. Further, the central axis O2 of the second box body inlet 432 is located closer to the first wall portion 41a than the central axis O3 of the box body outlet 44. With such a configuration, the exhausts that have entered the inside of the box 4 from the first box inlet 431 and the second box inlet 432 respectively merge while flowing vertically with each other, and at that time, the flow velocity of each exhaust is once. After that, each exhaust flows together and smoothly toward the second wall portion 41b (to the right in the example of the figure) along the fourth wall portion 41d, and then the second wall portion. It flows along 41b toward the box body outlet 44 of the third wall portion 41c (downward in the example of the figure), and then exits from the box body outlet 44 to the outside of the box body 4. In this way, each exhaust gas that has entered the inside of the box body 4 from the first box body inlet 431 and the second box body inlet 432 flows more smoothly along the inner wall surface of the box body 4, and the sound absorbing material 62. Is effectively absorbed by. As a result, it is possible to prevent each exhaust from hitting the inner wall surface of the box body 4 strongly, to reduce vortices and pressure fluctuations generated inside the box body 4, and to absorb the exhaust sound more firmly by the sound absorbing material 62. , Noise and vibration generated in the box body 4 can be reduced more effectively.
Further, in the example of the figure, the through hole 41ah of the first wall portion 41a communicating with the first box body entrance 431 is located in the first wall portion 41a toward the fourth wall portion 41d rather than the third wall portion 41c. It is located nearby. As a result, the exhaust gases that have entered the inside of the box body 4 from the first box body inlet 431 and the second box body inlet 432 respectively merge while flowing vertically with each other, and then flow closer to the fourth wall portion 41d. be able to. Therefore, the vortex and pressure fluctuation generated inside the box body 4 can be made smaller, and the exhaust can be absorbed more firmly by the sound absorbing material 62, so that the noise and vibration generated in the box body 4 can be reduced more effectively. can.

The above-mentioned box body 4 can be particularly preferably used for the blower unit 1 provided with the above-mentioned two blowers 3U and 3L.
However, the box body 4 described above can be used for any device having a first duct and a second duct and generating exhaust gas from each of the first duct and the second duct. In that case, the outlet of the first duct of the device is connected to the first box inlet 431, and the outlet of the second duct of the device is connected to the second box inlet 432. Then, after the exhaust entering the inside of the box body 4 from the first box body inlet 431 and the exhaust entering the inside of the box body 4 from the second box body inlet 432 flow inside the box body 4 as described above. , It is made to go out of the box body 4 through the box body outlet 44. Even in such a case, according to the box body 4, noise and vibration can be effectively reduced.
The box body 4 may be oriented in any direction. For example, the box body 4 may be oriented so that the outer wall surface of the third wall portion 41c faces upward.

The blower unit of the present invention can be used in any system using a blower, and any system using the blower for sucking air (for example, a system for discharging air in a room such as a clean room to the outside of the room). Alternatively, it can be particularly suitably used for a system that discharges air in a device such as a machine tool to the outside of the device).
The box body of the present invention can be used for any device having a first duct and a second duct to generate exhaust gas from each of the first duct and the second duct, and is a blower provided with two blowers. It is particularly suitable for use in units.

1 Blower unit 2 Case 21 Case entrance 22 Case exit 23 Front wall 24 Rear wall 25 Side wall 26 Upper wall 27 Bottom wall 28 Leg 3U Upper blower (blower)
3U1 Suction port 3U2 Discharge port 3U3 Attached fan 3L Lower blower (blower)
3L1 Suction port 3L2 Discharge port 3L3 Attached fan 4 Box body 4M Box body 41 Box cover 41a 1st wall 41ah Through hole 41b 2nd wall 41c 3rd wall 41ch Through hole 41d 4th wall 41e 5 Wall 41f Flange 41g 1st cylinder 41h 2nd cylinder 42 6th wall 431 1st box body entrance (box body entrance)
432 2nd box body entrance (box body entrance)
44 Box outlet O1 Central axis of the first box entrance O2 Central axis of the second box entrance O3 Central axis of the box exit 51 First duct (duct)
511 Suction side duct 511a Inlet 511b Outlet 512 Discharge side duct 512a Inlet 512b Outlet 52 Second duct (duct)
521 Suction side duct 521a Inlet 521b Outlet 522 Discharge side duct 522a Inlet 522b Outlet 61, 62 Sound absorbing material 71 Upstream vertical wall 71a Upstream vertical wall hole 72 Guide pipe 73 Downstream vertical wall 73a Downstream vertical wall hole 74 Side wall 74a Side wall hole 8 Control equipment 9 Fan 10 Temperature switch CR Control equipment room BR Blower storage room UR Upper room LR Lower room DR Exhaust room

Claims (11)

With a box-shaped case,
With the blower housed inside the case,
A box-shaped box house housed inside the case and
It is a blower unit equipped with
The case has a case inlet and a case exit.
The blower has a suction port, a discharge port, and an attached fan.
The box body has a box body entrance and a box body exit.
The box body outlet is located on the upstream side and the upper side of the case outlet.
The case outlet is formed on the bottom wall of the case.
The box body outlet and the case outlet face downwards, respectively.
The exhaust gas from the discharge port of the blower enters the inside of the box body from the box body inlet through the duct , goes out downward from the box body outlet to the outside of the box body, and then flows downward. , It is designed to go out of the case from the case exit.
The cooling air induced by the attached fan enters the inside of the case from the case inlet, flows on the surface of the blower, and then flows in the same direction as the exhaust gas discharged from the box body to the box. A blower unit that joins the exhaust gas from the body and exits the case from the case outlet. With a box-shaped case,
With the blower housed inside the case,
A box-shaped box house housed inside the case and
It is a blower unit equipped with
The case has a case inlet and a case exit.
The blower has a suction port, a discharge port, and an attached fan.
The box body has a box body entrance and a box body exit.
The exhaust gas from the discharge port of the blower enters the inside of the box body from the box body inlet through the duct, goes out of the box body from the box body outlet, and then goes out of the box body from the box body outlet, and then from the case outlet to the case. It is designed to go out of
The cooling air induced by the attached fan enters the inside of the case from the case inlet, flows on the surface of the blower, and then flows in the same direction as the exhaust gas discharged from the box body to the box. It is designed to join the exhaust from the body and exit the case from the case outlet.
A side wall that separates the upper chamber and the lower chamber inside the blower storage chamber inside the case is further provided.
The blower unit includes an upper blower and a lower blower as the blower.
The upper blower is arranged in the upper chamber.
The lower blower is arranged in the lower chamber.
The side wall has a side wall hole that communicates the upper chamber and the lower chamber.
The cooling air induced by the attached fan of the lower blower flows on the surface of the lower blower, enters the upper chamber through the side wall hole, and is subsequently induced by the attached fan of the upper blower. It merges with the cooling air to be discharged, goes out of the upper chamber, and then joins the exhaust gas coming out of the box body while flowing in the same direction as the exhaust gas coming out of the box body. Blower unit. With a box-shaped case,
With the blower housed inside the case,
A box-shaped box house housed inside the case and
It is a blower unit equipped with
The case has a case inlet and a case exit.
The blower has a suction port, a discharge port, and an attached fan.
The box body has a box body entrance and a box body exit.
The exhaust gas from the discharge port of the blower enters the inside of the box body from the box body inlet through the duct, goes out of the box body from the box body outlet, and then goes out of the box body from the box body outlet, and then from the case outlet to the case. It is designed to go out of
The cooling air induced by the attached fan enters the inside of the case from the case inlet, flows on the surface of the blower, and then flows in the same direction as the exhaust gas discharged from the box body to the box. It is designed to join the exhaust from the body and exit the case from the case outlet.
A side wall that separates the upper chamber and the lower chamber inside the blower storage chamber inside the case is further provided.
The blower unit includes an upper blower and a lower blower as the blower.
The upper blower is arranged in the upper chamber.
The lower blower is arranged in the lower chamber.
A sound absorbing material is attached to the inner wall surface of the box body.
The box body has a first box body entrance and a second box body entrance as the box body entrance.
The exhaust gas from the discharge port of the upper blower is made to enter the inside of the box body from the entrance of the first box body through the first duct.
The exhaust gas from the discharge port of the lower blower is made to enter the inside of the box body from the entrance of the second box body through the second duct.
The central axis of the first box inlet and the central axis of the second box inlet extend perpendicular to each other, whereby the exhaust that enters the inside of the box from the first box inlet. A blower unit in which exhausts entering the inside of the box from the entrance of the second box are made to merge while flowing vertically with each other. With a box-shaped case,
With the blower housed inside the case,
A box-shaped box house housed inside the case and
It is a blower unit equipped with
The case has a case inlet and a case exit.
The blower has a suction port, a discharge port, and an attached fan.
The box body has a box body entrance and a box body exit.
The exhaust gas from the discharge port of the blower enters the inside of the box body from the box body inlet through the duct, goes out of the box body from the box body outlet, and then goes out of the box body from the box body outlet, and then from the case outlet to the case. It is designed to go out of
The cooling air induced by the attached fan enters the inside of the case from the case inlet, flows on the surface of the blower, and then flows in the same direction as the exhaust gas discharged from the box body to the box. It is designed to join the exhaust from the body and exit the case from the case outlet.
A downstream vertical wall that separates the blower accommodating chamber and the exhaust chamber inside the case is further provided.
The blower is arranged in the blower accommodating chamber.
The box body is arranged in the exhaust chamber, and the box body is arranged in the exhaust chamber.
The downstream vertical wall has a downstream vertical wall hole that communicates the blower accommodating chamber and the exhaust chamber.
The cooling air induced by the attached fan flows on the surface of the blower in the blower accommodating chamber, enters the exhaust chamber through the downstream vertical wall hole, and then exits from the box body. It is designed to flow in the same direction as the exhaust and join the exhaust coming out of the box.
The box body is a blower unit provided on the downstream vertical wall. With a box-shaped case,
With the blower housed inside the case,
A box-shaped box house housed inside the case and
It is a blower unit equipped with
The case has a case inlet and a case exit.
The blower has a suction port, a discharge port, and an attached fan.
The box body has a box body entrance and a box body exit.
The exhaust gas from the discharge port of the blower enters the inside of the box body from the box body inlet through the duct, goes out of the box body from the box body outlet, and then goes out of the box body from the box body outlet, and then from the case outlet to the case. It is designed to go out of
The cooling air induced by the attached fan enters the inside of the case from the case inlet, flows on the surface of the blower, and then flows in the same direction as the exhaust gas discharged from the box body to the box. It is designed to join the exhaust from the body and exit the case from the case outlet.
The case has a front wall, a rear wall, a pair of left and right side walls, an upper wall, and a bottom wall.
The box body is a blower unit configured separately from the front wall, the rear wall, the pair of side walls, the upper wall, and the bottom wall of the case. The blower unit according to any one of claims 2 to 5, wherein the box body outlet is located on the upstream side of the case outlet. The case outlet is formed on the bottom wall of the case.
The box body outlet is located above the case outlet, and is located above the case outlet.
The exhaust from the discharge port of the blower enters the inside of the box from the entrance of the box through the duct, exits downward from the outlet of the box to the outside of the box, and then flows downward. The blower unit according to any one of claims 2 to 6, wherein the blower unit is configured to go out of the case from the case outlet. The blower unit according to any one of claims 1 to 7 , wherein a sound absorbing material is attached to the inner wall surface of the box body. An upstream vertical wall that separates the control equipment room and the blower storage room inside the case,
A control device arranged in the control device room and configured to control the blower, and a control device.
Further prepare
The case entrance communicates with the control equipment room.
The blower is arranged in the blower accommodating chamber.
The upstream vertical wall has an upstream vertical wall hole that communicates the control equipment room and the blower accommodating room.
The cooling air induced by the attached fan enters the inside of the control equipment room from the case inlet, and then enters the blower accommodating chamber through the upstream vertical wall hole, and enters the blower accommodating chamber on the surface of the blower. The blower unit according to any one of claims 1 to 8 , wherein the blower unit is made to flow. A downstream vertical wall that separates the blower accommodating chamber and the exhaust chamber inside the case is further provided.
The blower is arranged in the blower accommodating chamber.
The box body is arranged in the exhaust chamber, and the box body is arranged in the exhaust chamber.
The downstream vertical wall has a downstream vertical wall hole that communicates the blower accommodating chamber and the exhaust chamber.
The cooling air induced by the attached fan flows on the surface of the blower in the blower accommodating chamber, enters the exhaust chamber through the downstream vertical wall hole, and then exits from the box body. The blower unit according to any one of claims 1 to 3 and 5 , wherein the blower unit flows in the same direction as the exhaust gas and joins the exhaust gas discharged from the box body. The box-shaped box body used for the blower unit according to claim 3.
The first box body entrance and
With the second box body entrance
With the box body exit,
The sound absorbing material attached to the inner wall surface of the box body and
Equipped with
The central axis of the first box inlet and the central axis of the second box inlet extend perpendicular to each other, whereby the exhaust that enters the inside of the box from the first box inlet. A box body in which exhausts entering the inside of the box body from the entrance of the second box body are made to merge while flowing vertically with each other.

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