JP4710769B2 - Sound generator for power generation equipment - Google Patents

Sound generator for power generation equipment Download PDF

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JP4710769B2
JP4710769B2 JP2006246231A JP2006246231A JP4710769B2 JP 4710769 B2 JP4710769 B2 JP 4710769B2 JP 2006246231 A JP2006246231 A JP 2006246231A JP 2006246231 A JP2006246231 A JP 2006246231A JP 4710769 B2 JP4710769 B2 JP 4710769B2
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vane
air
package
exhaust
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JP2008069634A (en
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和俊 加村
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Meidensha Corp
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Description

本発明は、発電装置の防音装置に係り、特に電源車における防音パッケージ構造に関するものである。   The present invention relates to a soundproofing device for a power generation device, and more particularly to a soundproofing package structure in a power supply vehicle.

発電装置を搭載した電源車においては、発電装置に必要な換気を確保するために原動機や発電装置の直結側回転軸にファンを設けており、これら原動機や発電装置及びファンにより発生した騒音が吸気口や排気口より防音パッケージ外部に漏れる。この騒音を抑制するためにパッケージと一体的に消音ダクトが設けて消音効果を上げている。このような防音装置は、特許文献１や特許文献２によって公知となっている。   Power supply vehicles equipped with power generators are equipped with a fan on the direct rotation shaft of the prime mover or power generator to ensure the ventilation required for the power generator, and the noise generated by the prime mover, power generator and fan is aspirated. Leak outside the soundproof package from the mouth and exhaust port. In order to suppress this noise, a silencing duct is provided integrally with the package to enhance the silencing effect. Such a soundproofing device is known from Patent Literature 1 and Patent Literature 2.

図３は特許文献１によって公知となっているもので、それによれば、車両のシャシ１上には発電機２と原動機であるエンジン３とが直結して配置されている。冷却用並びに燃焼用の空気は、矢印で示すようにパッケージ４の吸気口５から吸気側ダクト６を通って発電機並びにエンジン室に導入されて冷却・燃焼に供される。エンジン１にはラジェータ７が配置されており、このラジェータ７から送出された排気側ダクト８を通って外部に放出するよう構成されている。
特許文献２についても、空気の流入、流出路の基本的な構成は特許文献と同様である。
特開２００３−２６４９５７号公報 実開平７−１０４２７号公報 FIG. 3 is known from Japanese Patent Application Laid-Open No. H10-260260. According to this, a generator 2 and an engine 3 as a prime mover are directly connected on a chassis 1 of a vehicle. Cooling and combustion air is introduced from the intake port 5 of the package 4 through the intake side duct 6 into the generator and the engine compartment as shown by arrows, and is supplied to the cooling and combustion. The engine 1 is provided with a radiator 7, and is configured to be discharged to the outside through an exhaust side duct 8 delivered from the radiator 7.
Also in Patent Document 2, the basic configuration of the air inflow and outflow paths is the same as that of Patent Document 2.
JP 2003-264957 A Japanese Utility Model Publication No. 7-10427

パッケージに対する要求性能としては、近年の環境意識の高揚と相俟って騒音低減に対する要求もますます高まり、この騒音低減に相乗して発電装置そのものの性能向上が要求されている。すなわち、従来における電源車では、一般的低騒音仕様の７５ｄＢ（Ａ）であったものが、騒音については７０ｄＢ（Ａ）以下となる超低騒音のものが要求されている。   With regard to the required performance for the package, the demand for noise reduction has been increased in conjunction with the recent heightened environmental awareness, and the performance improvement of the power generator itself is required in synergy with this noise reduction. That is, in the conventional power supply car, what is 75 dB (A) of a general low noise specification is required, but the noise of 70 dB (A) or less is required for noise.

また、電力事情により発電装置についても大形へとシフトしていることから、その発電装置を電源車に搭載するためには、いかにして単位出力当たりの設置面積を最小とするかが課題となっている。特許文献１又は２のパッケージ構造では、発電機の出力容量５００ｋＷ程度までは可能となるが、それ以上の出力容量となると所望の低騒音仕様には対応できない。   In addition, because the power generation equipment has been shifted to a large size due to the power situation, in order to install the power generation equipment in the power supply car, how to minimize the installation area per unit output is a problem. It has become. In the package structure of Patent Document 1 or 2, it is possible to achieve an output capacity of about 500 kW of the generator, but if the output capacity exceeds that, it cannot cope with a desired low noise specification.

そこで、本発明が目的とするところは、出力容量の増大を可能とした防音パッケージを提供することにある。   Accordingly, an object of the present invention is to provide a soundproof package capable of increasing the output capacity.

本発明の請求項１は、発電装置が収納される防音パッケージ内に吸気側消音ダクトを介して空気を導入し、導入された空気を換気用ファンにて吸引し、排気側消音ダクトを介して外部に排気するよう構成したものにおいて、
前記防音パッケージの上部位置に平行してダクトを設け、ダクトの略中間位置に防音パッケージに通じる空気導入口と、この空気導入口と略対向した上部位置には外部に通じる通風出口を設け、この空気導入口と通風出口間をベーンにて分離して前記ダクトを吸気側消音ダクトと排気側消音ダクトに形成すると共に、前記ベーンはダクト内に移動可能に構成したことを特徴としたものである。 According to the first aspect of the present invention, air is introduced into the soundproof package in which the power generation apparatus is housed via the intake-side silencer duct, the introduced air is sucked by the ventilation fan, and the exhaust-side silencer duct is used. In what is configured to exhaust to the outside,
A duct is provided in parallel with the upper position of the soundproof package, an air introduction port leading to the soundproof package is provided at a substantially intermediate position of the duct, and a ventilation outlet leading to the outside is provided at an upper position substantially opposite to the air introduction port. The air introduction port and the ventilation outlet are separated by a vane, and the duct is formed into an intake side silencing duct and an exhaust side silencing duct, and the vane is configured to be movable in the duct. .

本発明の請求項２は、前記ベーンは、ダクトの高さ方向に対して傾斜状に形成された壁部と、この壁部に連設されてダクトの上面と下面にそれぞれ摺動する上部板と下部板とで構成したことを特徴としたものである。   According to a second aspect of the present invention, the vane includes a wall portion formed to be inclined with respect to the height direction of the duct, and an upper plate that is connected to the wall portion and slides on the upper surface and the lower surface of the duct. And a lower plate.

以上のとおり、本発明によれば、吸気側消音ダクトと排気側消音ダクト及びベーンとが一体とした構造となっているため、簡単な構造で、且つダクトの長さが短縮できる。また、通風抵抗が減少することにより、換気ファン動力の消費低減が可能となり、発電機効率が向上するものである。これらによって、防音パッケージ小型化か、或いは発電容量の増大が可能となる。
また、ベーンがスライド可能であることにより、吸気及び排気騒音スペックが変更となった場合でも直ちに対応出来るものである。 As described above, according to the present invention, since the intake-side silencer duct, the exhaust-side silencer duct, and the vane have an integrated structure, the length of the duct can be shortened with a simple structure. In addition, the reduction of the ventilation resistance enables the consumption of the ventilation fan power to be reduced, and the generator efficiency is improved. As a result, it is possible to reduce the size of the soundproof package or increase the power generation capacity.
In addition, since the vane is slidable, even when the intake and exhaust noise specifications are changed, it is possible to respond immediately.

図１は、本発明の実施例を示す部分図である。１０は車両のシャシ上に設置されるサブフレーム、１１はエンジン、１２は発電機で、これらエンジン１１と発電機１２は結合軸により直結されてサブフレーム１（車両のシャシ）固定されている。１３はパッケージで、このパッケージ１３には、一体的に結合されたエンジン１１と発電機１２の略中心位置の上部側に空気導入口１３ａが設けられている。１４はラジェータ、１５は換気用ファン、１６はパッケージ１３の天井部に取り付けられたダクトで、パッケージ１３の横方向寸法と略同等の寸法を有し、且つパッケージ１３に設けられた空気導入口１３ａと略対向した位置に通風出口１６ａが設けられている。   FIG. 1 is a partial view showing an embodiment of the present invention. Reference numeral 10 denotes a subframe installed on the chassis of the vehicle, 11 denotes an engine, 12 denotes a generator, and the engine 11 and the generator 12 are directly connected by a coupling shaft and fixed to the subframe 1 (vehicle chassis). Reference numeral 13 denotes a package. The package 13 is provided with an air inlet 13a on the upper side of the substantially central position of the engine 11 and the generator 12 that are integrally coupled. 14 is a radiator, 15 is a ventilation fan, and 16 is a duct attached to the ceiling of the package 13, which has dimensions substantially equal to the lateral dimensions of the package 13 and is provided in the package 13. A ventilation outlet 16a is provided at a position substantially opposed to the air outlet 16a.

１７はベーンで、ダクト１６内において空気導入口１３ａと通風出口１６ａとを隔壁して設け、ダクト１６に対して吸気側消音ダクト１６ｂと排気側消音ダクト１６ｃを形成している。このベーン１７は、図２の部分図で示すように、ダクト１６内において１個で吸気側消音ダクト１６ｂと排気側消音ダクト１６ｃを隔離形成することから、ダクトの高さ方向に対して傾斜状に形成された壁部１７aと、ダクト上部と底部にそれぞれ接するように形成された上板部１７ｂと下板部１７ｃを有してスライド可能に形成される。   Reference numeral 17 denotes a vane, in which an air inlet 13 a and a ventilation outlet 16 a are provided as a partition in the duct 16, and an intake side silencing duct 16 b and an exhaust side silencing duct 16 c are formed with respect to the duct 16. As this vane 17 is shown in the partial view of FIG. 2, since the intake side silencing duct 16b and the exhaust side silencing duct 16c are separated from each other in the duct 16, the vane 17 is inclined with respect to the height direction of the duct. And the upper plate portion 17b and the lower plate portion 17c formed so as to be in contact with the upper and bottom portions of the duct, respectively, so as to be slidable.

これにより、例えば、図面右方向にスライドさせることにより空気導入口１３ａの一部を塞ぐと共に通風出口１６ａを拡大し、また、図面左方向にスライドさせることにより通風出口１６ａの一部を塞いで空気導入口１３ａを拡大できるように構成される。   Thereby, for example, by sliding to the right in the drawing, a part of the air inlet 13a is blocked and the ventilation outlet 16a is enlarged, and by sliding to the left in the drawing, a part of the ventilation outlet 16a is blocked to air. It is comprised so that the inlet 13a can be expanded.

以上のように構成されたものにおいて、発電装置の運転中における空気の流れは、通風口１８、ダクト１６ｂ及び空気導入口１３ａを通ってパッケージ１３内に吸い込まれて冷却並びに燃焼に供される。昇温した空気は、換気用ファン１５に吸引されて排気側消音ダクト１６ｃ、通風出口１６ａを経て外部に放出される。   In the configuration as described above, the air flow during the operation of the power generation apparatus is sucked into the package 13 through the ventilation port 18, the duct 16b, and the air introduction port 13a, and is used for cooling and combustion. The heated air is sucked into the ventilation fan 15 and discharged to the outside through the exhaust-side silencer duct 16c and the ventilation outlet 16a.

本発明によれば、一本の直線形状のダクトを１個のベーン１７によって吸気側と排気側を分離したため、ダクト構造が簡単になると共に、吸気側消音ダクト１６ｂと排気側消音ダクト１６ｃの長さを比較的長くすることが可能となって通風抵抗が低減され、換気効率が向上して同一発電容量の場合にはパッケージ１３の縮小化が図れる。通風抵抗の低減は換気ファン動力の低減に寄与し、発電装置が発電した電力の消費が少なくなるため発電機効率が向上する。   According to the present invention, since the intake side and the exhaust side are separated by a single vane 17 from a single linear duct, the duct structure is simplified, and the lengths of the intake side silencing duct 16b and the exhaust side silencing duct 16c are increased. The length can be made relatively long, the ventilation resistance is reduced, the ventilation efficiency is improved, and the package 13 can be reduced in the case of the same power generation capacity. The reduction of ventilation resistance contributes to the reduction of the ventilation fan power, and the power consumption of the power generation device is reduced, so that the generator efficiency is improved.

また、騒音低減設計に当たっては、吸気側と排気側の騒音をそれぞれ考慮する必要があるが、騒音特性は設計計算値どおりにはならず誤差が発生する。ことため、一般には裕度をとって設計しているが、本発明ではベーン１７をスライドさせることにより吸気側と排気側の消音ダクトの長さを変えることができるため、最も適した騒音特性とすることが可能となる。すなわち、吸気側と排気側の騒音
裕度を極力少なく設計し、どちらか一方にオーバースペックがあった場合には、ベーンを吸気側か排気側に移動して消音ダクトの長さを変えて消音効果を変化させ、騒音測定しながら均一な騒音とすることができる。また、これとは逆に、例えば、排気側のみの騒音低減を図りたい場合には、排気側のダクト長さを長くする等の対応が可能となる。 In noise reduction design, it is necessary to consider the noise on the intake side and the exhaust side, respectively, but the noise characteristics do not match the design calculation values and an error occurs. Therefore, although generally designed with a margin, in the present invention, since the length of the silencer duct on the intake side and the exhaust side can be changed by sliding the vane 17, the most suitable noise characteristics and It becomes possible to do. In other words, the noise margin on the intake side and exhaust side is designed to be as small as possible, and if either one has overspec, the vane is moved to the intake side or the exhaust side to change the length of the muffler duct and mute It is possible to change the effect and make uniform noise while measuring noise. On the other hand, for example, when it is desired to reduce noise only on the exhaust side, it is possible to take measures such as increasing the duct length on the exhaust side.

本発明の実施形態を示す構成図。The block diagram which shows embodiment of this invention. ベーンの構成図。The block diagram of a vane. 移動電源車の側面図。The side view of a mobile power supply car.

符号の説明Explanation of symbols

１０… サブフレーム
１１… エンジン
１２… 発電機
１３… パッケージ
１３a… 空気導入口
１４… ラジェータ
１５… 換気用ファン
１６… ダクト
１６a… 通風出口
１６b… 吸気側消音ダクト
１６c… 排気側消音ダクト
１７… ベーン
１７a… 壁部
１７b… 上部板
１７c… 下部板 DESCRIPTION OF SYMBOLS 10 ... Subframe 11 ... Engine 12 ... Generator 13 ... Package 13a ... Air introduction port 14 ... Raeta 15 ... Ventilation fan 16 ... Duct 16a ... Ventilation exit 16b ... Intake side silencing duct 16c ... Exhaust side silencing duct 17 ... Vane 17a … Wall 17b… Upper plate 17c… Lower plate

Claims (2)

発電装置が収納される防音パッケージ内に吸気側消音ダクトを介して空気を導入し、導入された空気を換気用ファンにて吸引し、排気側消音ダクトを介して外部に排気するよう構成したものにおいて、
前記防音パッケージの上部位置に平行してダクトを設け、ダクトの略中間位置に防音パッケージに通じる空気導入口と、この空気導入口と略対向した上部位置には外部に通じる通風出口を設け、この空気導入口と通風出口間をベーンにて分離して前記ダクトを吸気側消音ダクトと排気側消音ダクトに形成すると共に、前記ベーンはダクト内に移動可能に構成したことを特徴とした発電装置の防音装置。 A structure that introduces air into the soundproof package that houses the power generator through the intake-side silencer duct, sucks the introduced air with the ventilation fan, and exhausts it outside through the exhaust-side silencer duct In
A duct is provided in parallel with the upper position of the soundproof package, an air introduction port leading to the soundproof package is provided at a substantially intermediate position of the duct, and a ventilation outlet leading to the outside is provided at an upper position substantially opposite to the air introduction port. An air inlet and an air outlet are separated by a vane to form the duct as an intake-side silencer duct and an exhaust-side silencer duct, and the vane is configured to be movable in the duct. Soundproofing device. 前記ベーンは、ダクトの高さ方向に対して傾斜状に形成された壁部と、この壁部に連設されてダクトの上面と下面にそれぞれ摺動する上部板と下部板とで構成したことを特徴とした請求項１記載の発電装置の防音装置。








The vane is composed of a wall portion that is inclined with respect to the height direction of the duct, and an upper plate and a lower plate that are connected to the wall portion and slide on the upper and lower surfaces of the duct, respectively. The soundproofing device for a power generator according to claim 1.








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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019015342A1 (en) * 2017-07-17 2019-01-24 上海科泰电源股份有限公司 Silent mobile electric supply vehicle

Families Citing this family (2)

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CN110758063B (en) * 2019-11-06 2022-10-25 宇石能源(南通)有限公司 Power supply system for emergency power supply vehicle
CN113879199A (en) * 2021-10-12 2022-01-04 辽宁环创机械设备有限公司 Noise reduction system of 3000KW gas turbine power vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03110142U (en) * 1990-02-27 1991-11-12
JPH0560163U (en) * 1992-01-09 1993-08-06 株式会社明電舎 Combined heat and power equipment
JPH0710427U (en) * 1993-07-26 1995-02-14 株式会社明電舎 Package type power generator
JP2000213369A (en) * 1999-01-21 2000-08-02 Meidensha Corp Generating apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143938U (en) * 1978-03-30 1979-10-05
JP2545597B2 (en) * 1989-01-18 1996-10-23 本田技研工業株式会社 Soundproof engine work machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03110142U (en) * 1990-02-27 1991-11-12
JPH0560163U (en) * 1992-01-09 1993-08-06 株式会社明電舎 Combined heat and power equipment
JPH0710427U (en) * 1993-07-26 1995-02-14 株式会社明電舎 Package type power generator
JP2000213369A (en) * 1999-01-21 2000-08-02 Meidensha Corp Generating apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019015342A1 (en) * 2017-07-17 2019-01-24 上海科泰电源股份有限公司 Silent mobile electric supply vehicle

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