JP4080189B2 - Outside air temperature sensor and oil cooler arrangement structure of motorcycle - Google Patents

Outside air temperature sensor and oil cooler arrangement structure of motorcycle Download PDF

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Publication number
JP4080189B2
JP4080189B2 JP2001263444A JP2001263444A JP4080189B2 JP 4080189 B2 JP4080189 B2 JP 4080189B2 JP 2001263444 A JP2001263444 A JP 2001263444A JP 2001263444 A JP2001263444 A JP 2001263444A JP 4080189 B2 JP4080189 B2 JP 4080189B2
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Prior art keywords
outside air
temperature sensor
air temperature
oil cooler
cowling
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JP2003072633A (en
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豊 中西
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J17/00—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for
    • B62J17/02—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for shielding only the rider's front
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
    • B62J45/40—Sensor arrangements; Mounting thereof
    • B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
    • B62J45/40—Sensor arrangements; Mounting thereof
    • B62J45/42—Sensor arrangements; Mounting thereof characterised by mounting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は自動二輪車の外気温センサ並びにオイルクーラ配置構造の改良に関する。
【０００２】
【従来の技術】
例えば、実開昭６２−２８６９０号公報「自動二輪車等のオイルクーラ支持構造」の第２図に、ヘッドライト２１の下方にオイルクーラ２５を配置した自動二輪車が示されている。
【０００３】
一方、近年、一部の自動二輪車においてはフューエル・インジェクション（燃料直接噴射）と称し燃料を直接燃焼室へ送り込む方式が採用されるようになってきた。この方式では燃焼室へ送り込むべき燃料と、この燃料に混合すべき空気を制御部で綿密に計算し決定することを特徴とする。計算の前提として、少なくとも空気の温度を正確に計測し、空気量を温度補正する。これで、適正な空燃比制御が達成できるからである。
【０００４】
【発明が解決しようとする課題】
空気の温度を計測する手段としての外気温センサを、前記実開昭６２−２８６９０号公報の自動二輪車に付設しようとすると、同公報の第２図から明らかなようにオイルクーラー２５の後方（図では右側）に設けるしかない。オイルクーラー２５が最も前に配置されているからである。
【０００５】
オイルクーラの後方に外気温センサを配置した場合、オイルクーラで温められた空気の温度を検出する可能性があり、検出温度が高めに出るため、空燃比が理想値からずれてしまい、好ましくない。
【０００６】
又は、前記公報の第２図において、無理にオイルクーラ２５の前に外気温センサを配置すると、外気温センサが遮蔽物となり、オイルクーラ２５へ向うべき空気が減少する。そこで、オイルクーラ２５を大型にして冷却面積を稼ぐ必要がある。
【０００７】
この様に従来は外気温センサとオイルクーラとの双方を考慮した配置構造が提案されていなかった。
そこで、本発明の目的は好ましい自動二輪車の外気温センサ並びにオイルクーラ配置構造を提案することにある。
【０００８】
【課題を解決するための手段】
上記目的を達成するために請求項１は、車体前部をカウリングで覆い、このカウリングの前端に左右２灯からなる前照灯を備えた自動二輪車において、前記カウリングは、前部が前方に向かって突出した形状をなし、車体を正面から見たときに、外気の温度を計測する外気温センサを、前記カウリングの前端部で、前記左右２灯の中央に配置し、この外気温センサの奥に潤滑油を冷却するオイルクーラを配置し、且つ前記外気温センサに棒状センサを採用し、この棒状センサの大部分を前記カウリング前部内に収め、棒状センサの先端のセンシング部をカウリング前端部から下方へ突出し露出させ、前照灯の下部に近接して配置したことを特徴とする。
請求項２は、請求項１において、前記左右の前照灯の下方に配置された方向指示灯を有し、前記カウリングには、リッドで開閉自在な方向指示灯の点検孔を備え、前記オイルクーラのオイル循環配管を、この点検孔を迂回させるように配設したことを特徴とする。
【０００９】
請求項１では、空気の流れに沿って外気温センサ、オイルクーラの順にこれらを配置した。すなわち、熱源となるオイルクーラの上流側に外気温センサを配置したので、外気温センサで正しい外気温度を検出させることができる。
そして、カウリングからセンシング部のみを露出させるため、このセンシング部が空気の流れを阻害する程度は軽微である。従って、外気温センサを前方に配置したにも拘らず、十分な量の空気をオイルクーラへ供給することができる。
請求項２では、リッドで塞ぐようにした点検孔からコネクタ一体型バルブを出し入れする作業の邪魔にならぬように、オイル循環配管は点検孔を迂回させたので、バルブの交換作業は容易になる。
【００１０】
【発明の実施の形態】
本発明の実施の形態を添付図に基づいて以下に説明する。なお、図面は符号の向きに見るものとする。
図１は本発明に係る自動二輪車の側面図であり、自動二輪車１０は、車体前部に前輪１１、フロントフォーク１２、ハンドル１３及び車体前部を覆うカウリング１４を備え、車体中央にメインフレーム１６から懸架したエンジン１７及びメインフレーム１６に載せた燃料タンク１８を備え、車体後部にスイングアーム２１、後輪２２、サイレンサー２３、ドライバーシート２４及びパッセンジャシート２５を備えた小型車両である。
カウリング１４は、図１及び図３で明示されているように、前部が前方に向かって突出した形状をなす。
【００１１】
そして、本発明では、車体前部に前から後に外気温センサ２７、オイルクーラ２８及びサイドラジエータ２９Ｌ，２９Ｒ（Ｌはドライバーから見て左、Ｒは右を示す。以下同じ）をこの順に備える。３１はエアクリーナ、３２は排気管、３３はリヤクッション、３４はバッテリである。
【００１２】
図２は本発明に係る自動二輪車の正面図であり、図１、図３を参照しつつ説明すると、車体前部をカウリング１４で覆い、このカウリング１４に左右の方向指示灯３５Ｌ，３５Ｒ及び左右２灯３６Ｌ，３６Ｒからなる前照灯を備え、車体を正面から見たときに、外気の温度を計測する外気温センサ２７を左右２灯３６Ｌ，３６Ｒの中央に配置し、この外気温センサ２７の奥に潤滑油を冷却するオイルクーラ２８を配置し、さらにその奥に左右のサイドラジエータ２９Ｌ，２９Ｒを配置したことを特徴とする。３７はフロントフエンダ、３８はボトムブリッジである。
外気温センサ２７は、前記した通り左右２灯からなる前照灯３６Ｌ，３６Ｒの中央に配置されており、且つ前照灯３６Ｌ，３６Ｒの下部に近接して配置されている。
【００１３】
以上の構成からなる外気温センサ並びにオイルクーラの作用を次に説明する。図３は本発明の作用説明図であり、外気温センサ２７に棒状センサを採用し、この棒状センサの大部分をカウリング１４内に収め、棒状センサの先端のセンシング部３９をカウリング１４から下方へ突出し露出させたことを示す。
この結果、カウリング１４のノーズ部４１に沿って流れる風４２、すなわち冷却空気は、先ずセンシング部３９に接触し、次にオイルクーラ２８に至る。
【００１４】
熱源となるオイルクーラ２８の上流側に外気温センサ２７を配置したので、外気温センサ２７で正しい外気温度を検出させることができる。
そして、カウリング１４からセンシング部３９のみを露出させるため、このセンシング部３９が風４２の流れを阻害する程度は軽微である。従って、外気温センサ２７を前方に配置したにも拘らず、十分な量の風４２をオイルクーラ２８へ供給することができる。
【００１５】
図４は本発明に方向指示灯とオイル循環配管の関係を示す図であり、左の方向指示灯３５Ｌで説明すると、この方向指示灯３５Ｌはランプケース４３と、このランプケース４３に嵌めたコネクタ一体型バルブ４４と、ランプケース４３の前面に取付けたレンズ４５とからなる。コネクタ一体型バルブ４４を単位にしてランプケース４３に着脱可能であり、この例では、三角形の点検孔４６をカウリング１４に設け、リッド４７で塞ぐようにした。この点検孔４６からコネクタ一体型バルブ４４を出入れする作業の邪魔にならぬように、オイル循環配管４８は点検孔４６を迂回させた。これにより、バルブ４４の交換作業は容易になる。
【００１６】
【発明の効果】
本発明は上記構成により次の効果を発揮する。
請求項１では、空気の流れに沿って外気温センサ、オイルクーラの順にこれらを配置した。すなわち、熱源となるオイルクーラの上流側に外気温センサを配置したので、外気温センサで正しい外気温度を検出させることができる。
そして、カウリングからセンシング部のみを露出させるため、このセンシング部が空気の流れを阻害する程度は軽微である。従って、外気温センサを前方に配置したにも拘らず、十分な量の空気をオイルクーラへ供給することができる。
請求項２では、リッドで塞ぐようにした点検孔からコネクタ一体型バルブを出し入れする作業の邪魔にならぬように、オイル循環配管は点検孔を迂回させたので、バルブの交換作業は容易になる。
【図面の簡単な説明】
【図１】本発明に係る自動二輪車の側面図
【図２】本発明に係る自動二輪車の正面図
【図３】本発明の作用説明図
【図４】本発明に方向指示灯とオイル循環配管の関係を示す図
【符号の説明】
１０…自動二輪車、１４…カウリング、２７…外気温センサ、２８…オイルクーラ、２９Ｌ，２９Ｒ…サイドラジエータ、３５Ｌ，３５Ｒ…方向指示灯、３６Ｌ，３６Ｒ…左右２灯（前照灯）、３９…センシング部、４２…風、４３…ランプケース、４４…コネクタ一体型バルブ、４５…レンズ、４６…点検孔、４７…リッド、４８…オイル循環配管。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement in an outside air temperature sensor and an oil cooler arrangement structure of a motorcycle.
[0002]
[Prior art]
For example, FIG. 2 of Japanese Utility Model Laid-Open No. 62-28690 “Oil cooler support structure for motorcycles” shows a motorcycle in which an oil cooler 25 is arranged below the headlight 21.
[0003]
On the other hand, in recent years, in some motorcycles, a system called fuel injection (direct fuel injection), in which fuel is directly fed into a combustion chamber, has been adopted. This method is characterized in that the fuel to be fed into the combustion chamber and the air to be mixed with this fuel are calculated and determined in detail by the control unit. As a premise of the calculation, at least the temperature of air is accurately measured, and the amount of air is corrected for temperature. This is because proper air-fuel ratio control can be achieved.
[0004]
[Problems to be solved by the invention]
When an outside air temperature sensor as a means for measuring the temperature of the air is to be attached to the motorcycle disclosed in Japanese Utility Model Laid-Open No. 62-28690, the rear of the oil cooler 25 (see FIG. 2) Then there is no choice but on the right side. This is because the oil cooler 25 is disposed at the forefront.
[0005]
If an outside air temperature sensor is placed behind the oil cooler, there is a possibility that the temperature of the air warmed by the oil cooler may be detected, and since the detected temperature goes up, the air-fuel ratio deviates from the ideal value, which is not preferable. .
[0006]
Alternatively, in FIG. 2 of the above publication, if the outside air temperature sensor is forcibly disposed in front of the oil cooler 25, the outside air temperature sensor becomes a shielding object, and the air to be directed to the oil cooler 25 is reduced. Therefore, it is necessary to increase the oil cooler 25 to increase the cooling area.
[0007]
Thus, conventionally, an arrangement structure that considers both the outside air temperature sensor and the oil cooler has not been proposed.
Accordingly, an object of the present invention is to propose a preferable outside air temperature sensor and oil cooler arrangement structure for a motorcycle.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, a first aspect of the present invention provides a motorcycle in which a front part of a vehicle body is covered with a cowling, and a headlamp consisting of two left and right lights is provided at the front end of the cowling. An outside air temperature sensor that measures the temperature of the outside air when the vehicle body is viewed from the front is disposed at the front end of the cowling at the center of the two left and right lights. An oil cooler that cools the lubricating oil is disposed on the outside air temperature sensor, and a bar-shaped sensor is used as the outside air temperature sensor. It protrudes downward and is exposed, and is arranged close to the lower part of the headlamp.
A second aspect of the present invention includes the direction indicator lamp disposed below the left and right headlamps according to the first aspect, wherein the cowling includes a direction indicator lamp inspection hole that can be opened and closed with a lid, and the oil The oil circulation pipe of the cooler is disposed so as to bypass the inspection hole.
[0009]
In Claim 1, these were arrange | positioned in order of the external temperature sensor and the oil cooler along the flow of air. That is, since the outside air temperature sensor is arranged on the upstream side of the oil cooler serving as a heat source, the outside air temperature sensor can detect the correct outside air temperature.
And since only a sensing part is exposed from a cowling, the extent to which this sensing part inhibits the flow of air is slight. Therefore, a sufficient amount of air can be supplied to the oil cooler despite the fact that the outside air temperature sensor is disposed in front.
According to the second aspect of the present invention, since the oil circulation pipe bypasses the inspection hole so as not to obstruct the operation of inserting and removing the connector integrated valve from the inspection hole that is closed with the lid, the replacement operation of the valve becomes easy. .
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a side view of a motorcycle according to the present invention. A motorcycle 10 includes a front wheel 11, a front fork 12, a handle 13 and a cowling 14 covering the front of the vehicle body at the front of the vehicle body, and a main frame 16 at the center of the vehicle body. This is a small vehicle including an engine 17 suspended from the vehicle and a fuel tank 18 mounted on the main frame 16, and a swing arm 21, a rear wheel 22, a silencer 23, a driver seat 24, and a passenger seat 25 at the rear of the vehicle body.
As clearly shown in FIGS. 1 and 3, the cowling 14 has a shape in which a front portion protrudes forward.
[0011]
In the present invention, the front portion of the vehicle body is provided with the outside air temperature sensor 27, the oil cooler 28, and the side radiators 29L and 29R (L is left when viewed from the driver, R is right, and the same applies hereinafter). 31 is an air cleaner, 32 is an exhaust pipe, 33 is a rear cushion, and 34 is a battery.
[0012]
FIG. 2 is a front view of the motorcycle according to the present invention. Referring to FIGS. 1 and 3, the front of the vehicle body is covered with a cowling 14, and left and right direction indicator lights 35L and 35R and left and right A headlight comprising two lamps 36L and 36R is provided, and an outside air temperature sensor 27 for measuring the temperature of the outside air when the vehicle body is viewed from the front is disposed at the center of the left and right two lights 36L and 36R. An oil cooler 28 for cooling the lubricating oil is disposed in the back of the left side, and left and right side radiators 29L and 29R are further disposed in the back thereof. 37 is a front fender, and 38 is a bottom bridge.
As described above, the outside air temperature sensor 27 is disposed at the center of the headlamps 36L and 36R including the left and right lamps, and is disposed in the vicinity of the lower portion of the headlamps 36L and 36R .
[0013]
Next, the operation of the outside air temperature sensor and the oil cooler configured as described above will be described. FIG. 3 is an explanatory diagram of the operation of the present invention. A bar-shaped sensor is adopted as the outside air temperature sensor 27, most of the bar-shaped sensor is accommodated in the cowling 14, and the sensing portion 39 at the tip of the bar-shaped sensor is moved downward from the cowling 14. It shows that it has been exposed.
As a result, the wind 42 flowing along the nose portion 41 of the cowling 14, that is, the cooling air, first contacts the sensing portion 39 and then reaches the oil cooler 28.
[0014]
Since the outside air temperature sensor 27 is arranged on the upstream side of the oil cooler 28 serving as a heat source, the outside air temperature sensor 27 can detect the correct outside air temperature.
Since only the sensing unit 39 is exposed from the cowling 14, the extent to which the sensing unit 39 impedes the flow of the wind 42 is slight. Therefore, a sufficient amount of wind 42 can be supplied to the oil cooler 28 even though the outside air temperature sensor 27 is disposed in front.
[0015]
FIG. 4 is a diagram showing the relationship between the direction indicator lamp and the oil circulation pipe according to the present invention. In the left direction indicator lamp 35L, the direction indicator lamp 35L includes a lamp case 43 and a connector fitted to the lamp case 43. It comprises an integral bulb 44 and a lens 45 attached to the front surface of the lamp case 43. The connector-integrated bulb 44 can be attached to and detached from the lamp case 43. In this example, a triangular inspection hole 46 is provided in the cowling 14 and closed with a lid 47. The oil circulation pipe 48 bypasses the inspection hole 46 so as not to obstruct the operation of inserting and removing the connector integrated valve 44 from the inspection hole 46. Thereby, the replacement work of the valve 44 is facilitated.
[0016]
【The invention's effect】
The present invention exhibits the following effects by the above configuration.
In Claim 1, these were arrange | positioned in order of the external temperature sensor and the oil cooler along the flow of air. That is, since the outside air temperature sensor is arranged on the upstream side of the oil cooler serving as a heat source, the outside air temperature sensor can detect the correct outside air temperature.
And since only a sensing part is exposed from a cowling, the extent to which this sensing part inhibits the flow of air is slight. Therefore, a sufficient amount of air can be supplied to the oil cooler despite the fact that the outside air temperature sensor is disposed in front.
According to the second aspect of the present invention, since the oil circulation pipe bypasses the inspection hole so as not to obstruct the operation of inserting / removing the connector-integrated valve from the inspection hole blocked by the lid, the valve replacement operation is facilitated. .
[Brief description of the drawings]
FIG. 1 is a side view of a motorcycle according to the present invention. FIG. 2 is a front view of a motorcycle according to the present invention. FIG. 3 is an explanatory view of the operation of the present invention. That shows the relationship
DESCRIPTION OF SYMBOLS 10 ... Motorcycle, 14 ... Cowling, 27 ... Outside air temperature sensor, 28 ... Oil cooler, 29L, 29R ... Side radiator, 35L, 35R ... Direction indicator, 36L, 36R ... Two right and left lights (headlight), 39 ... Sensing part, 42 ... wind, 43 ... lamp case, 44 ... connector integrated valve, 45 ... lens, 46 ... inspection hole, 47 ... lid, 48 ... oil circulation piping.

Claims (2)

車体前部をカウリングで覆い、このカウリングの前端に左右２灯からなる前照灯を備えた自動二輪車において、
前記カウリングは、前部が前方に向かって突出した形状をなし、
車体を正面から見たときに、外気の温度を計測する外気温センサを、前記カウリングの前端部で、前記左右２灯の中央に配置し、
この外気温センサの奥に潤滑油を冷却するオイルクーラを配置し、且つ前記外気温センサに棒状センサを採用し、この棒状センサの大部分を前記カウリング前部内に収め、棒状センサの先端のセンシング部をカウリング前端部から下方へ突出し露出させ、前照灯の下部に近接して配置した、
ことを特徴とする自動二輪車の外気温センサ並びにオイルクーラ配置構造。In a motorcycle that covers the front of the vehicle body with a cowling and has a headlight consisting of two lights on the left and right at the front end of the cowling,
The cowling has a shape in which the front part protrudes forward,
When the vehicle body is viewed from the front, an outside air temperature sensor that measures the temperature of outside air is arranged at the center of the left and right lights at the front end of the cowling,
An oil cooler that cools the lubricating oil is disposed in the back of the outside air temperature sensor, and a bar sensor is adopted as the outside air temperature sensor. Most of the bar sensor is housed in the cowling front part, and sensing of the tip of the bar sensor is performed. The part protrudes downward from the cowling front end and is exposed, and is placed close to the lower part of the headlamp.
An outside air temperature sensor and an oil cooler arrangement structure for a motorcycle. 前記左右の前照灯の下方に配置された方向指示灯を有し、前記カウリングには、リッドで開閉自在な方向指示灯の点検孔を備え、前記オイルクーラのオイル循環配管を、この点検孔を迂回させるように配設したことを特徴とする請求項１に記載の自動二輪車の外気温センサ並びにオイルクーラ配置構造。There is a direction indicator lamp disposed below the left and right headlamps, and the cowling has an inspection hole for the direction indicator lamp that can be opened and closed with a lid, and the oil circulation pipe of the oil cooler is connected to the inspection hole. The outside air temperature sensor and the oil cooler arrangement structure of the motorcycle according to claim 1, wherein the outside air temperature sensor and the oil cooler arrangement structure are provided.
JP2001263444A 2001-08-31 2001-08-31 Outside air temperature sensor and oil cooler arrangement structure of motorcycle Expired - Fee Related JP4080189B2 (en)

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JP2001263444A JP4080189B2 (en) 2001-08-31 2001-08-31 Outside air temperature sensor and oil cooler arrangement structure of motorcycle
IT000731A ITTO20020731A1 (en) 2001-08-31 2002-08-16 STRUCTURE TO PROVIDE AN ENVIRONMENT TEMPERATURE SENSOR AND A MOTORCYCLE OIL COOLER

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JP2005105847A (en) * 2003-09-26 2005-04-21 Honda Motor Co Ltd Lubricating oil cooling device
JP2014189106A (en) 2013-03-26 2014-10-06 Yamaha Motor Co Ltd Motor cycle
KR102045505B1 (en) * 2018-08-17 2019-11-15 김명진 Sensing type automatic shade, rear detection motor control system
EP3680157B1 (en) * 2019-01-11 2021-09-01 Yamaha Hatsudoki Kabushiki Kaisha Straddled vehicle

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