JP2001280585A - Power generator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce generation of noise to as low as possible. SOLUTION: A cover 13 is provided openably at the exhaust port of a vehicle 1 via a hinge 14. On both sides of the voce 13, shielding members 16, 17 shielding both sides of the exhaust port 3 are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power generation device for a mobile power supply vehicle and the like, and more particularly to a cover structure of an exhaust port thereof.

[0002]

2. Description of the Related Art Generally, when a wide area power failure occurs due to a natural disaster or the like, a power supply of a mobile power supply vehicle is connected to a high-voltage distribution line or a service line to secure a lifeline.

FIG. 6 shows a side view of a conventional mobile power supply vehicle disclosed in Japanese Patent Application Laid-Open No. H10-157510, wherein 1 is a vehicle composed of a one-box car, the inside of which is not partitioned.
The cab portion 1a and the luggage compartment portion 1b are tentatively divided. An intake port 2 is provided in an upper portion of a rear portion of the luggage compartment portion 1b, and an exhaust port 3 is provided in an upper portion of a front portion. Reference numeral 4 denotes a generator control panel provided at the rear of the luggage compartment 1b, reference numeral 5 denotes a generator provided below the generator control panel 4, and reference numeral 6 denotes a generator provided in front of the generator 5 to drive the generator 5. Diesel engine 7 is provided in front of the engine 6,
A radiator fan 8 is provided in front of the radiator fan 7 and a radiator for cooling the engine 6. A muffler 9 is provided in front of the radiator 8 and is provided in the exhaust pipe 10 of the engine 6. ing. In addition, a sliding door 1 is provided on the left front side of the luggage compartment 1b.
2, a soundproof wall 11 is entirely provided inside the peripheral wall of the luggage compartment portion 1b and between the cab portion 1a and the luggage compartment portion 1b. Although the soundproof wall 11 is not actually visible from the outside, it is shown by a solid line for easy understanding. Reference numeral 13 denotes a lid provided on the exhaust port 3 so as to be freely opened and closed.

In the above configuration, when the engine 6 is driven, the generator 5 generates electric power. Further, the radiator fan 7 also rotates to cool the radiator 8. The outside air is sucked in from the intake port 2, passes around the radiator 8 and the like, and is discharged from the exhaust port 3. At this time, the heated air around the radiator 8 is also discharged. The exhaust from the engine 6 is silenced by the muffler 9 and is exhausted from the exhaust port 3 through the exhaust pipe 10. In the luggage compartment portion 1b, the engine 6 and the like generate noise, but are surrounded by the soundproof wall 11,
Almost no leakage to the outside.

[0005]

In the above-mentioned conventional mobile power-supply vehicle, a soundproof wall 11 is provided so that the noise does not leak out to the outside, and a lid 13 which can be opened and closed is provided at the exhaust port 3.

However, during operation of the generator 5, the lid 13
Is open, noise generated inside the engine 6
Exhaust gas, hot air and the like are discharged from the exhaust port 3. For this reason, there has been a risk that complaints from residents in the vicinity may increase, especially for noise.

In view of the above, there is a conventional device in which a direction in which noise or the like is discharged can be selected. This will be described with reference to FIG. In FIG. 7, the lid 13 is a pull-in / out hinge 14.
The cover 13 is openably and closably attached to one side of the exhaust port 3 via a cover, but the lid 13 can also be attached to the other side of the exhaust port 3. Reference numeral 15 denotes a telescopic cylinder having one end connected to a fixed part in the vehicle 1, and the other end connected to the back side of the lid 13 so that the lid 13 is opened and closed by the telescopic cylinder 15. Therefore, in this mobile power supply vehicle,
By changing the mounting position of the lid 13, the direction of the exhaust air can be changed according to the environment in which the cover 13 is arranged, and the direction of the outflow of noise, exhaust gas, and the like can be changed.

However, in the mobile power supply vehicle shown in FIG. 7, it is possible to prevent the noise or the like from flowing to the side where the exhaust port 3 is installed and removed by inserting and removing the lid 13 of the exhaust port 3, but in the other three directions indicated by arrows. Noise etc. leaked. This was the same even when the installation position of the lid 13 was changed.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has as its object to provide a power generation device capable of minimizing generation of noise and the like.

[0010]

According to a first aspect of the present invention, a power generator includes a generator and an engine for driving the generator housed in a box body, and the box body is provided with a lid that can be opened and closed. And a shielding member for shielding exhaust and noise is provided on at least one side other than the side of the ventilation port serving as a rotation axis of the lid.

According to a second aspect of the present invention, in the power generation device, the shielding member is a foldable sheet-shaped shielding member.

According to a third aspect of the present invention, there is provided a power generator, in which a generator and an engine for driving the generator are housed in a box, and the box is provided with a ventilation port provided with an openable and closable lid;
A lid and a shielding member are provided on each of the front, rear, left and right sides of the ventilation port when the lid is opened so that exhaust and noise leaking from the ventilation port are discharged only above the power generator.

[0013]

Embodiment 1 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a main part of a mobile power supply vehicle according to a first embodiment, in which arc-shaped shielding members 16 and 17 are attached to both side surfaces of a lid 13. Other configurations are the same as the conventional one.

In the mobile power-supply vehicle having the above structure, the shielding members 16 and 17 are accommodated in the exhaust port 3 during non-operation, and the cover 1 is closed.
3 closes the exhaust port 3. During operation, the lid 13 is pulled out by operation of the telescopic cylinder 15 and rotated about the hinge 14,
Open the exhaust port 3.

In the first embodiment, since the shielding members 16 and 17 are provided on both side surfaces of the lid 13, the side of the exhaust port 3 on which the lid 13 is provided and the side on which the shielding members 16 and 17 are provided are provided. The sound is isolated, and the noise inside the vehicle 1 flows out only in the direction indicated by the arrow. Exhaust gas and hot air also flow out in the same direction.

In the first embodiment, noise and the like
Outflow only in one direction, so the outflow direction is limited,
Generation of noise and the like can be minimized.

The lid 13 may be provided on the side opposite to the exhaust port 3. Also, the generator 5 was driven by the engine 6,
It may be driven by a turbine. Second Embodiment FIG. 2 is a perspective view of a main part of a mobile power vehicle according to a second embodiment, in which a shielding member 17 is provided on one side of a lid 13 and no shielding member is provided on the other side. Other configurations are the same as the conventional one.

In the second embodiment, the shielding member 17 is provided only on one side of the lid 13. Accordingly, noise and the like flow out in two directions as indicated by the arrows, but the outflow direction is more limited than before, and the generation of noise and the like can be suppressed. Third Embodiment FIG. 3 is a perspective view of a main part of a mobile power supply vehicle according to a third embodiment. Numerals 18 and 19 indicate that one end is attached to both sides of an end of the lid 13 on the side of the hinge 14 and that the lid 13 is opened. And a pair of bar-shaped support members protruding forward, and sheet-shaped shielding members 20 and 21 are provided on both side surfaces of the lid 13 between the bar-shaped support members 18 and 19. Other configurations are the same as those of the first embodiment.

In the third embodiment, the shielding members 20 and 2
1 is merely in the form of a sheet, and the other configurations are the same as those in the first embodiment. The outflow direction of noise and the like is also one direction indicated by an arrow, and generation of noise and the like can be suppressed as much as possible.
Further, since the shielding members 20 and 21 are formed in a sheet shape, the shielding members 20 and 21 are lightweight and can be folded. Fourth Embodiment FIG. 4 is a perspective view of a main part of a mobile power supply vehicle according to a fourth embodiment, and 22 is attached to both sides of the end of the lid 13 on the side of the pull-out hinge 14 and projects forward when the lid 13 is opened. A frame-shaped support member, and
A sheet-shaped shielding member 23 is attached between the side end and the tip of the frame-shaped support member 22.

In the fourth embodiment, a sheet-like shielding member 23 is provided between the end of the frame-shaped support member 22 provided at the end of the lid 13 on the side of the hinge 14 and the end of the lid 13 on the side opposite to the hinge 14. When the lid 13 is opened, the lid 13 and the shielding member 23 shield the two side surfaces and the upper surface of the exhaust port 3. For this reason, noise and the like flow out only in two directions indicated by arrows, and it is possible to suppress the noise and the like from flowing out. Also in this case, since the shielding member 23 is formed in a sheet shape, it is lightweight and can be folded.

In FIG. 4, noise flows out only in two directions. For example, by combining the structure shown in FIG. 4 with the shielding member 17 shown in FIG. You can also. In this case, the same effect can be obtained even if the shielding member 17 is configured as the sheet-shaped shielding member 21 in FIG. Fifth Embodiment FIGS. 5A and 5B are a plan view and a front view of a main part of a mobile power supply vehicle according to a fifth embodiment. A lid 13 is opened and closed on one side of an exhaust port 3 via a hinge 24. It is provided freely. The shielding plate 2 is provided on the side of the exhaust port 3 opposite to the side where the lid 13 is provided.
5 is provided via a hinge 26 so as to be freely opened and closed. Arc-shaped shielding members 27 to 30 are provided on both side surfaces of the lid 13 and the shielding plate 25, respectively. One end of a link 31 is rotatably connected to the upper end of the shield plate 25 via a pin 32, and a bolt 33 inserted into a long hole 31 a formed at the other end of the link 31 is screwed to the lower end of the lid 13. Are combined. or,
One end of a link 34 is also rotatably connected to the lower end of the shielding plate 25 via a pin 35, and a bolt 36 inserted into an elongated hole 34 a formed at the other end of the link 34 is screwed to the upper end of the lid 13. . Furthermore, a long hole 31 formed in the center of the link 31
The pin 37 through which the link 34 is inserted is inserted into b.

In the mobile power vehicle having the above-described structure, the exhaust port 3 is opened when the lid 13 and the shielding plate 25 are erected substantially at right angles to the exhaust port 3 as shown in the figure. The four sides are shielded by the lid 13, the shielding plate 25, the shielding members 27 and 29, and the shielding members 28 and 30,
The noise flowing out of the exhaust port 3 is shielded by these members, and does not flow out in the horizontal direction, but flows out only upward. The same applies to exhaust gas and hot air. When the bolts 33 and 36 are loosened, the lid 13 and the shielding plate 25 can be tilted inward,
The exhaust port 3 is closed.

In the fifth embodiment, noise, exhaust gas,
The hot air does not flow out in the horizontal direction but flows out only upward, so that the influence on the surrounding residents and the like can be suppressed as much as possible.
Note that a sound absorbing material may be attached to the inside of the shielding plate 25 and the shielding members 27 to 30.

[0024]

As described above, according to the first aspect of the present invention, a shielding member for shielding exhaust and noise is provided on at least one side of the ventilation port other than the side serving as the axis of rotation of the lid. Is shielded in at least two directions by a lid and a shielding member. For this reason, the outflow direction of noise or the like is limited, and the generation of noise or the like can be reduced as much as possible.

According to the second aspect, the shielding member has a sheet shape, and is lightweight and can be folded.

According to the third aspect of the present invention, when the lid is opened, the lid and the shielding member are arranged on the front, rear, left and right sides of the ventilation port, and the four side surfaces of the ventilation port are formed by these members. Since the noise is shielded and the noise does not flow out of the ventilation hole in the horizontal direction but only flows upward, the generation of noise and the like to the periphery can be minimized.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a mobile power supply vehicle according to Embodiment 1 of the present invention.

FIG. 2 is a perspective view of a main part of a mobile power supply vehicle according to a second embodiment.

FIG. 3 is a perspective view of a main part of a mobile power supply vehicle according to a third embodiment.

FIG. 4 is a perspective view of a main part of a mobile power supply vehicle according to a fourth embodiment.

5A and 5B are a main part plan view and a main part front view of a mobile power supply vehicle according to a fifth embodiment.

FIG. 6 is a side view of a conventional mobile power supply vehicle.

FIG. 7 is a perspective view of a main part of another conventional mobile power supply vehicle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Vehicle 3 ... Exhaust port 5 ... Generator 6 ... Engine 13 ... Lid 14, 24, 26 ... Hinge 16, 17, 20, 21, 23, 27-30 ... Shielding member 25 ... Shielding plate

Claims (3)

[Claims] 1. A power generator in which a generator and an engine for driving the generator are housed in a box body, wherein the box body is provided with a ventilation port provided with an openable and closable lid, and the rotating shaft of the lid is provided. A power generator, wherein a shielding member for shielding exhaust and noise is provided on at least one side other than the side of the ventilation opening. 2. The power generator according to claim 1, wherein the shielding member is a foldable sheet-shaped shielding member. 3. A power generator in which a generator and an engine for driving the generator are housed in a box body, wherein the box body is provided with a ventilation port provided with an openable and closable lid, and exhaust gas leaking from the ventilation port is provided. And a lid and a shielding member are disposed on each of the front, rear, left and right sides of the ventilation opening when the lid is opened so as to discharge noise only above the power generation device.