JP2011163310A - State quantity measuring device of lubricating oil - Google Patents
State quantity measuring device of lubricating oil Download PDFInfo
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- JP2011163310A JP2011163310A JP2010030123A JP2010030123A JP2011163310A JP 2011163310 A JP2011163310 A JP 2011163310A JP 2010030123 A JP2010030123 A JP 2010030123A JP 2010030123 A JP2010030123 A JP 2010030123A JP 2011163310 A JP2011163310 A JP 2011163310A
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- lubricating oil
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Abstract
Description
本発明は、潤滑油の状態量、例えば、圧力，温度などを測定する技術に関する。 The present invention relates to a technique for measuring state quantities of a lubricating oil, such as pressure and temperature.
車両には、エンジンの各摺動部や回転部に潤滑油を供給し、潤滑油が有する減磨，冷却，清浄などの作用によって、エンジンの焼き付きを抑制しつつ、その機能を発揮させる潤滑系統が備えられている。潤滑系統には、潤滑油の供給状態を把握することを目的として、潤滑油の状態量の一つとしての圧力を測定する圧力センサが取り付けられている。圧力センサは、エンジンブロックに取り付けられていたり、「整備要領書 ２００５ 大型車（Ｇ１０５Ｒ）II」（非特許文献１）に記載されるように、エンジンブロックと一体化されたオイルクーラに取り付けられている。 Lubricating system that supplies lubricating oil to the sliding parts and rotating parts of the engine and suppresses engine seizure by the action of the lubricating oil, such as abrasion, cooling, and cleaning. Is provided. For the purpose of grasping the supply state of the lubricating oil, a pressure sensor for measuring the pressure as one of the state quantities of the lubricating oil is attached to the lubrication system. The pressure sensor is attached to the engine block or attached to an oil cooler integrated with the engine block as described in “Maintenance Manual 2005 Large Car (G105R) II” (Non-Patent Document 1). Yes.
ところで、近年においては、排気規制の強化に伴い、エンジン周囲に取り付けられる機器が多くなる傾向があるため、エンジンブロックやオイルクーラに圧力センサを取り付けるスペースを確保することが困難になってきている。また、同様な理由から、圧力センサに接続するワイヤハーネスの配索作業が困難である、という問題点もある。なお、潤滑油の状態量としての圧力を測定する圧力センサなどについても、同様な問題がある。 By the way, in recent years, as exhaust regulations are strengthened, there is a tendency that more devices are attached around the engine, and it is difficult to secure a space for attaching a pressure sensor to an engine block or an oil cooler. For the same reason, there is also a problem that the wiring work of the wire harness connected to the pressure sensor is difficult. The pressure sensor that measures the pressure as the state quantity of the lubricating oil has the same problem.
そこで、本発明は従来問題点に鑑み、潤滑油の状態量を測定するセンサの取り付け、及び、このセンサへのワイヤハーネス配索作業を容易にした潤滑油の状態量測定装置を提供することを目的とする。 Therefore, in view of the conventional problems, the present invention is to provide a lubricating oil state quantity measuring device that facilitates attachment of a sensor that measures the state quantity of lubricating oil and wiring work of the wire harness to the sensor. Objective.
このため、本発明では、エンジン潤滑系統の一部を迂回又は分岐させた通路に、潤滑油の状態量を測定する少なくとも１つのセンサを取り付けるためのセンサ取付孔が開設されたアタッチメントを配設し、該アタッチメントのセンサ取付孔にセンサを取り付ける。 For this reason, in the present invention, an attachment having a sensor mounting hole for mounting at least one sensor for measuring the state quantity of the lubricating oil is disposed in a passage that bypasses or branches a part of the engine lubrication system. The sensor is attached to the sensor attachment hole of the attachment.
本発明によれば、エンジン潤滑系統の一部を迂回又は分岐させた通路にアタッチメントが配設され、ここに潤滑油の状態量を測定する少なくとも１つのセンサが取り付けられる。このため、エンジン周囲に多くの機器が取り付けられていても、各種センサの取付スペースを確保することが容易である。また、各種センサへのワイヤハーネス配索作業も容易となり、その作業工数の低減も期待できる。 According to the present invention, an attachment is disposed in a passage that bypasses or branches a part of the engine lubrication system, and at least one sensor that measures the state quantity of the lubricating oil is attached thereto. For this reason, even if many devices are mounted around the engine, it is easy to secure a mounting space for various sensors. In addition, wire harness wiring work to various sensors becomes easy, and reduction of the work man-hour can be expected.
以下、添付された図面を参照して本発明を詳述する。 Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
図１は、本発明を具現化した潤滑油の状態量測定装置の一例を示す。 FIG. 1 shows an example of a lubricating oil state quantity measuring apparatus embodying the present invention.
エンジン潤滑系統の一部、例えば、エンジンブロックのオイルギャラリを迂回させた迂回通路１０には、潤滑油の状態量を測定する各種センサを取り付けるため、内部に潤滑油通路が形成されたアタッチメント２０が配設される。 A part of the engine lubrication system, for example, a bypass passage 10 that bypasses the oil gallery of the engine block, is provided with an attachment 20 having a lubricant passage formed therein in order to attach various sensors for measuring the state quantity of the lubricant. Arranged.
アタッチメント２０には、潤滑油の圧力を測定する圧力センサ３０を取り付けるためのセンサ取付孔が開設された第１のボス２０Ａと、潤滑油の温度を測定する温度センサ４０を取り付けるためのセンサ取付孔が開設された第２のボス２０Ｂと、が夫々突出形成される。第１のボス２０Ａ及び潤滑油出口が開設された第３のボス２０Ｃ、並びに、第３のボス２０Ｃ及び第２のボス２０Ｂは、アタッチメント２０の強度を向上させることを目的として、リブ２０Ｄ及び２０Ｅで夫々連結される。 The attachment 20 has a first boss 20A provided with a sensor mounting hole for mounting a pressure sensor 30 for measuring the pressure of the lubricating oil, and a sensor mounting hole for mounting a temperature sensor 40 for measuring the temperature of the lubricating oil. And the second boss 20B where the is opened. The first boss 20 </ b> A and the third boss 20 </ b> C where the lubricating oil outlet is opened, and the third boss 20 </ b> C and the second boss 20 </ b> B are provided with ribs 20 </ b> D and 20 </ b> E for the purpose of improving the strength of the attachment 20. Are connected to each other.
また、アタッチメント２０には、これを車両の一部、例えば、オイルクーラ５０に固定する固定部として、アタッチメント２０の中間部から側方へと延びる第１の固定部２２と、アタッチメント２０の端部から軸方向へと延びる第２の固定部２４と、が一体化されている。第１の固定部２２は、その先端（自由端）にボルトなどの締結部材が挿通されるボルト挿通孔２２Ａが開設される。第２の固定部は、その先端及び中間にボルトなどの締結部材が挿通されるボルト挿通孔２４Ａが夫々開設される。なお、固定部としては、図示の形状に限らず、車両の一部にアダプタ２０を固定できる形状であればどのような形状をなしていてもよい。 In addition, the attachment 20 has a first fixing portion 22 extending from the middle portion of the attachment 20 to the side, and an end portion of the attachment 20 as a fixing portion for fixing the same to a part of the vehicle, for example, the oil cooler 50. And a second fixing portion 24 extending in the axial direction from each other. The first fixing portion 22 has a bolt insertion hole 22 </ b> A through which a fastening member such as a bolt is inserted at the tip (free end) thereof. The second fixing portion has a bolt insertion hole 24 </ b> A through which a fastening member such as a bolt is inserted at the tip and the middle thereof. The fixing portion is not limited to the shape shown in the figure, and may have any shape as long as the adapter 20 can be fixed to a part of the vehicle.
ここで、アタッチメント２０は、製造効率を考慮し、例えば、アルミダイキャストで製造することが望ましい。 Here, it is desirable that the attachment 20 is manufactured by, for example, aluminum die casting in consideration of manufacturing efficiency.
そして、第１の固定部２２及び第２の固定部２４を介してオイルクーラ５０に固定されたアタッチメント２０に、潤滑油の状態量としての圧力及び温度を測定するための圧力センサ３０及び温度センサ４０を夫々取り付け、これらのセンサにワイヤハーネスを接続する。 Then, the pressure sensor 30 and the temperature sensor for measuring the pressure and temperature as the state quantity of the lubricating oil are attached to the attachment 20 fixed to the oil cooler 50 via the first fixing portion 22 and the second fixing portion 24. 40 is attached, and a wire harness is connected to these sensors.
かかる潤滑油の状態量測定装置によれば、エンジン潤滑系統の一部を迂回させた迂回通路１０にアタッチメント２０が配設され、ここに潤滑油の状態量としての圧力及び温度を測定する圧力センサ３０及び温度センサ４０が夫々取り付けられる。アタッチメント２０は、その固定部を適宜変更することで、エンジンブロックのみならず、車両の任意の位置に取り付けることができる。このため、エンジン周囲に多くの機器が取り付けられていても、圧力センサ３０及び温度センサ４０の取付スペースを確保することが容易である。また、温度センサ３０及び温度センサ４０へのワイヤハーネス配索作業も容易となり、その作業工数の低減も期待できる。さらに、潤滑油の圧力及び温度に限らず、他の状態量を測定する必要があれば、アタッチメント２０の交換などにより容易に対処できる。その他、各種センサが集中的に配設されるため、例えば、その取り付け，ワイヤハーネスの配索及びメンテナンスの各作業の効率を向上させることができる。 According to this lubricating oil state quantity measuring device, the attachment 20 is disposed in the bypass passage 10 that bypasses a part of the engine lubrication system, and the pressure sensor measures the pressure and temperature as the lubricating oil state quantity. 30 and a temperature sensor 40 are respectively attached. The attachment 20 can be attached not only to the engine block but also to an arbitrary position of the vehicle by appropriately changing the fixing portion. For this reason, even if many devices are attached around the engine, it is easy to secure the installation space for the pressure sensor 30 and the temperature sensor 40. Moreover, the wire harness wiring work to the temperature sensor 30 and the temperature sensor 40 becomes easy, and a reduction in the number of work steps can be expected. Furthermore, not only the pressure and temperature of the lubricating oil but also other state quantities need to be measured, it can be easily dealt with by replacing the attachment 20 or the like. In addition, since various sensors are arranged in a concentrated manner, for example, the efficiency of each operation of the attachment, the wiring harness routing, and the maintenance can be improved.
なお、図示の例では、アタッチメント２０に圧力センサ３０及び温度センサ４０が取り付けられているが、潤滑油の状態量を測定するための少なくとも１つのセンサが取り付けられていればよい。また、アタッチメント２０は、図示の形状に限らず、その機能を確保できる形状であれば如何なる形状を有していてもよい。さらに、アタッチメント２０は、エンジン潤滑系統の一部を迂回させた迂回通路１０ではなく、エンジン潤滑系統の一部を分岐させた分岐通路に配設するようにしてもよい。 In the illustrated example, the pressure sensor 30 and the temperature sensor 40 are attached to the attachment 20, but it is sufficient that at least one sensor for measuring the state quantity of the lubricating oil is attached. Further, the attachment 20 is not limited to the illustrated shape, and may have any shape as long as the function can be secured. Furthermore, the attachment 20 may be disposed not in the bypass passage 10 that bypasses a part of the engine lubrication system but in a branch passage that branches off a part of the engine lubrication system.
１０ 迂回通路
２０ アタッチメント
２２ 第１の固定部
２４ 第２の固定部
３０ 圧力センサ
４０ 温度センサ
DESCRIPTION OF SYMBOLS 10 Bypass path 20 Attachment 22 1st fixing | fixed part 24 2nd fixing | fixed part 30 Pressure sensor 40 Temperature sensor
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010030123A JP2011163310A (en) | 2010-02-15 | 2010-02-15 | State quantity measuring device of lubricating oil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010030123A JP2011163310A (en) | 2010-02-15 | 2010-02-15 | State quantity measuring device of lubricating oil |
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| JP2011163310A true JP2011163310A (en) | 2011-08-25 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004360671A (en) * | 2002-10-29 | 2004-12-24 | Kawasaki Heavy Ind Ltd | Oil cooler and small ship |
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- 2010-02-15 JP JP2010030123A patent/JP2011163310A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004360671A (en) * | 2002-10-29 | 2004-12-24 | Kawasaki Heavy Ind Ltd | Oil cooler and small ship |
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