JPH0439194A - Rectifier cooling device for outboard engine - Google Patents
Rectifier cooling device for outboard engineInfo
- Publication number
- JPH0439194A JPH0439194A JP2145470A JP14547090A JPH0439194A JP H0439194 A JPH0439194 A JP H0439194A JP 2145470 A JP2145470 A JP 2145470A JP 14547090 A JP14547090 A JP 14547090A JP H0439194 A JPH0439194 A JP H0439194A
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- water
- rectifier
- cooling water
- case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000498 cooling water Substances 0.000 claims abstract description 36
- 238000012360 testing method Methods 0.000 claims description 22
- 230000005855 radiation Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 abstract description 5
- 230000002950 deficient Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
- F01P3/202—Cooling circuits not specific to a single part of engine or machine for outboard marine engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
- F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines
Landscapes
- Rectifiers (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
この発明は、整流器の性能向上と作用の安定化のために
設けられる船外機の整流器冷却装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a rectifier cooling device for an outboard motor provided for improving the performance and stabilizing the operation of the rectifier.
（従来の技術）
船外機その他マリンエンジンには、マグネトによる起電
電流を整流し、かつ電圧を調整してバッテリに充電する
ために整流器（ボルテージレギュレータ）が装備される
ものが多い。(Prior Art) Many outboard motors and other marine engines are equipped with a rectifier (voltage regulator) to rectify the electromotive current generated by the magneto, adjust the voltage, and charge the battery.
この整流器は、一般的に空冷方式で発熱が抑えられて性
能２作用の維持、安定化か図られている。This rectifier is generally air-cooled to suppress heat generation and maintain and stabilize Performance 2 effects.
しかし、大型の船外機などでは、バッテリ充電能力の増
大化のため、マグネトの容量アップの要求がある。従っ
て、整流器の容量も上げない限り、発熱量が増大し、放
熱が充分でないと、最悪の場合には温度上昇により整流
器破損というトラブルの可能性がある。このために、冷
却性能を高める方法が求められるが、空冷方式では限界
があって、対応が難しいのが現状である。However, in large outboard motors and the like, there is a demand for increased magneto capacity in order to increase battery charging capacity. Therefore, unless the capacity of the rectifier is increased, the amount of heat generated will increase, and if heat dissipation is not sufficient, in the worst case, there is a possibility that the rectifier will be damaged due to temperature rise. For this reason, there is a need for a method to improve cooling performance, but currently air cooling methods have limitations and are difficult to respond to.
第６図は、一部の大型船外機に使用されている水冷化さ
れた整流器冷却装置を示すものである。FIG. 6 shows a water-cooled rectifier cooling device used in some large outboard motors.
縦に並んだシリンダａの周りにウォータジャケットｂが
囲み、そのウォータジャケットｂの上端部に、放熱フィ
ンｄをジャケットｂ内に没入させて、整流器Ｃが取着け
られている。冷却用の水（海水。A water jacket b surrounds the vertically arranged cylinders a, and a rectifier C is attached to the upper end of the water jacket b with radiation fins d recessed into the jacket b. Water for cooling (seawater).
湖水）は、ウォータジャケットｂ内を下部から上方へ抜
けるように供給され、その間にシリンダａを冷却し、上
端部で整流器Ｃを冷却する。Lake water) is supplied so as to pass through the water jacket b from the bottom to the top, during which time it cools the cylinder a and cools the rectifier C at the upper end.
しかし、このような構造では、シリンダａと熱交換して
温度上昇した冷却水によって整流器が冷却されるので、
冷却効率が充分でないし、整流器取着のためシリンダブ
ロックの型を修正もしくは新作する必要があって、コス
ト上不利になる、という問題がある。However, in such a structure, the rectifier is cooled by the cooling water whose temperature has increased by exchanging heat with cylinder a.
There are problems in that the cooling efficiency is not sufficient and it is necessary to modify or create a new cylinder block model to install the rectifier, which is disadvantageous in terms of cost.
（発明が解決しようとする課題）
この発明は、上記のような問題に鑑みてなされたもので
、既設のシリンダブロックを変更することなくそのまま
使用し、しかも加温されていない冷却水により効率よく
冷却できて、整流器の出力向上と作用の安定化を図った
船外機の整流器冷却装置を提供することを目的とする。(Problems to be Solved by the Invention) This invention was made in view of the above-mentioned problems, and allows the existing cylinder block to be used as is without modification, and moreover, to efficiently use unheated cooling water. It is an object of the present invention to provide a rectifier cooling device for an outboard motor that can be cooled, improve the output of the rectifier, and stabilize its operation.
（課題を解決するための手段）
上記の課題を解決するために、この発明の船外機の整流
器冷却装置は、シリンダ冷却用の冷却水供給通路から分
岐する検水パイプにより、冷却水の一部が機外表の目視
可能位置に配置された検水口から放水される船外機にお
いて、起電電流を調整する整流器に、その放熱フィンを
水密に覆う冷却ケースが備えられ、上記検水パイプの先
端が冷却ケースの下部に接続されると共に、冷却ケース
の上部から導出された排水パイプが上記検水口に接続さ
れた構成が採られる。(Means for Solving the Problems) In order to solve the above problems, the outboard motor rectifier cooling device of the present invention uses a water test pipe branching from a cooling water supply passage for cylinder cooling to provide a cooling water supply passage. In outboard motors in which water is discharged from a water test port located at a visible position on the outside of the machine, the rectifier that adjusts the electromotive current is equipped with a cooling case that watertightly covers the heat dissipation fins of the water test pipe. A configuration is adopted in which the tip is connected to the lower part of the cooling case, and a drainage pipe led out from the upper part of the cooling case is connected to the water test port.
（作用）
このように構成され、海水または湖水・河Ｊ水を汲み上
げた冷却水は、大部分がシリンダの冷却に供せられ、一
部が検水パイプを介して冷却ケースの下部に送られて、
ケース内を下から上に通り抜けて排水パイプに溢流し、
最後に検水口から放水される。(Function) With this configuration, most of the cooling water pumped up from seawater, lake water, or river water is used to cool the cylinder, and a portion is sent to the lower part of the cooling case via the water test pipe. hand,
It passes through the case from bottom to top and overflows into the drain pipe.
Finally, water is released from the water inspection port.
冷却水は、冷却ケース内で放熱フィンに広く接触して整
流器を冷却する。また整流器を冷却した冷却水が検水口
から放流されることで、冷却水の状態を目視により観察
できる。The cooling water cools the rectifier by widely contacting the radiation fins within the cooling case. In addition, the condition of the cooling water can be visually observed by discharging the cooling water that has cooled the rectifier from the water inspection port.
冷却ケースに温度センサを取着けることで、冷却水の循
環不良を感知できる。すなわち、冷却水量が少ないと、
整流器との熱交換により水温が上昇する現象が検出され
、その検出信号により、エンジンの回転制御と運転者へ
の警告がなされて、冷却水不足による整流器の破損およ
びエンジンの加熱が防がれる。By attaching a temperature sensor to the cooling case, it is possible to detect poor circulation of cooling water. In other words, if the amount of cooling water is small,
A phenomenon in which the water temperature rises due to heat exchange with the rectifier is detected, and the detection signal is used to control engine rotation and warn the driver, thereby preventing damage to the rectifier and overheating of the engine due to insufficient cooling water.
（実施例） 以下この発明の実施例を示す図について説明する。(Example) DESCRIPTION OF THE PREFERRED EMBODIMENTS Diagrams showing embodiments of the present invention will be described below.
第３−図は船外機の外観を示すもので、上から、エンジ
ンユニット４が収容されたエンジンカバー１、ドライブ
シャフトか通るドライブシャフトハウジング２．スクリ
ュー５が軸支されたギアケース３が連設される。Figure 3 shows the external appearance of the outboard motor.From the top, the engine cover 1 houses the engine unit 4, the drive shaft housing 2 through which the drive shaft passes. A gear case 3 in which a screw 5 is pivotally supported is connected.
エンジンユニット４は、縦に並んだ３つのシリンダ６が
左右に■字配列された６気筒で、アッパーケースｌａ、
ロアケース１ｂよりなるエンジンケース１内に収め
られる。各シリンダ列のシリンダブロックは、第１図に
示すように、シリンダ６周りを一連のウォータジャケッ
ト７が囲み、海水。The engine unit 4 is a six-cylinder engine in which three cylinders 6 are arranged vertically on the left and right, and the upper case la,
It is housed in an engine case 1 consisting of a lower case 1b. The cylinder block of each cylinder row has a series of water jackets 7 surrounding the cylinders 6, as shown in FIG.
湖水などの冷却水が下部から上へ流通（点線矢印）して
、シリンダ６を冷却する水冷方式になっている。A water-cooling system is used in which cooling water such as lake water flows from the bottom to the top (dotted arrow) to cool the cylinder 6.
また、冷却水導入口部８には、そこから分岐する既設の
検水通路があり、検水パイプ９が接続される。Further, the cooling water inlet portion 8 has an existing water test passage branching from there, and a water test pipe 9 is connected thereto.
次に、一方のシリンダ列の外側には、図示しないマグネ
トの起電電流を整流すると共に電圧を調整してバッテリ
充電電流を出力する整流器（ボルテージレギュレータ）
１０が取着けられる。Next, on the outside of one cylinder row, there is a rectifier (voltage regulator) that rectifies the electromotive current of the magneto (not shown), adjusts the voltage, and outputs the battery charging current.
10 is attached.
整流器１０の外面には、放熱フィン１１が突設され、こ
の放熱フィン１１を水密に覆う冷却ケース１２が整流器
１０に被着されている。１３は冷却ケース１２固定用の
ビスねじを示し、なお、１４．１５は、整流器１０固定
用のブラケットおよび締着ボルトである。Radiation fins 11 are protruded from the outer surface of the rectifier 10, and a cooling case 12 that covers the radiation fins 11 in a watertight manner is attached to the rectifier 10. Reference numeral 13 indicates screws for fixing the cooling case 12, and reference numerals 14 and 15 indicate brackets and tightening bolts for fixing the rectifier 10.
冷却ケース１２には、その下底部に前記検水パイプ９の
先端が接続され、上面部に排水パイプ１６が接続される
。排水パイプ１６は、エンジンケース１のロアケース１
ｂに開設された検水口１７に接続される。検水口１７は
冷却水の一部が放流される既設のもので、目視可能な位
置にあって、冷却水の状態を目で知るために設けられて
いる。The tip of the water test pipe 9 is connected to the cooling case 12 at its lower bottom, and the drain pipe 16 is connected to its upper surface. The drain pipe 16 is connected to the lower case 1 of the engine case 1.
It is connected to the water test port 17 opened in b. The water test port 17 is an existing one through which a portion of the cooling water is discharged, and is located at a visually visible position so that the state of the cooling water can be visually checked.
こうして、大部分はウォータジャケット７に供給される
冷却水の一部が、検水パイプ９を介して冷却ケース１２
に供給され、排水パイプ１６に溢流して検水口１７から
放水される。この間に冷却ケース１２内で放熱フィン１
１に接触して熱交換し、整流器１０を強力に冷却する。In this way, a part of the cooling water, mostly supplied to the water jacket 7, passes through the water test pipe 9 to the cooling case 12.
The water is supplied to the water, overflows into the drain pipe 16, and is discharged from the water test port 17. During this time, the heat radiation fin 1 is
1 to exchange heat and powerfully cool the rectifier 10.
整流器１０はその作用により発熱があり、そのまま温度
上昇すると、機能低下および不安定化を招くことになる
が、このように充分な冷却によって温度上昇が抑えられ
、整流器１０を大型化することなく、マグネトの容量を
上げ、充電電流を増大させることができる。The rectifier 10 generates heat due to its action, and if the temperature rises as it is, it will cause a decrease in function and instability.However, by sufficient cooling, the temperature rise can be suppressed, and the rectifier 10 can be operated without increasing its size. It is possible to increase the capacity of the magneto and increase the charging current.
冷却ケース１２には温度センサ１８が設置され、冷却ケ
ース１２内の冷却水温度を監視している。A temperature sensor 18 is installed in the cooling case 12 and monitors the temperature of the cooling water inside the cooling case 12.
第５図に示すように、温度センサ１８の出力は点火制御
ユニット１９に送られて、ＣＤＩユニット２０とブザー
２１を制御する。ＣＤＩユニット２０はイグニッション
コイル２２を制御する。なお、２３は発電コイル、２４
はヒユーズ、２５はバッテリである。As shown in FIG. 5, the output of the temperature sensor 18 is sent to an ignition control unit 19 to control a CDI unit 20 and a buzzer 21. CDI unit 20 controls ignition coil 22. In addition, 23 is a power generation coil, 24
is a fuse, and 25 is a battery.
何らかの理由により冷却水の供給量が不足すると、冷却
ケース１２内の冷却水は整流器１０の発熱量との兼ね合
いで温度上昇する。このことは整流器１０自体が温度上
昇していることと、シリンダ６の冷却不足を意味してい
る。温度センサ１８は、この異常を検出して点火制御ユ
ニット１９に出力し、危険な温度になると点火制御ユニ
ット１９はＣＤＩユニット２０を制御して、遅角もしく
は間引き点火などにより回転数を強制的に低下させる。If the amount of cooling water supplied is insufficient for some reason, the temperature of the cooling water in the cooling case 12 increases in balance with the amount of heat generated by the rectifier 10. This means that the temperature of the rectifier 10 itself has increased and that the cylinder 6 is insufficiently cooled. The temperature sensor 18 detects this abnormality and outputs it to the ignition control unit 19. When the temperature reaches a dangerous level, the ignition control unit 19 controls the CDI unit 20 to forcibly reduce the rotation speed by retarding or thinning ignition. lower.
これにより、発電電流が減少し、整流器１０の破損やシ
リンダのオーバーヒートが防止される。This reduces the generated current and prevents damage to the rectifier 10 and overheating of the cylinder.
同時にブザー２１が鳴り運転者に異常を知らせ、運転者
は整流器１０とエンジンの冷却系統の異常を知り、適切
な処置を施すことができる。At the same time, the buzzer 21 sounds to notify the driver of the abnormality, and the driver can learn of the abnormality in the rectifier 10 and the engine cooling system and take appropriate measures.
また、既設の冷却水の検水機構を利用し、冷却ケース１
２が検水パイプの途中に挿入された形になっているので
、シリンダブロックを変更する必要なく、低コストに設
置できると共に、冷却水の状態を目視できて、検水機構
の機能を維持できるものとなっている。In addition, by using the existing cooling water testing mechanism, cooling case 1
2 is inserted in the middle of the water test pipe, so it can be installed at low cost without the need to change the cylinder block, and the condition of the cooling water can be visually checked, allowing the function of the water test mechanism to be maintained. It has become a thing.
以上の通り、この発明に係わる船外機の整流器冷却装置
は、整流器の放熱フィンを水密に覆う冷却ケースが備え
られ、シリンダ冷却水供給通路から分流して機外表の目
視可能位置に配置された検水口から放水される検水通路
の途中に、この冷却ケースか挿入されたもので、既設の
シリンダブロックを変更することなく、しかも加温され
ていない冷却水により効率よく冷却できて、整流器の出
力向上と作用の安定化が低コストで得られる効果がある
。As described above, the outboard motor rectifier cooling device according to the present invention is provided with a cooling case that watertightly covers the radiation fins of the rectifier, and is arranged at a visible position on the outside of the motor so that the cooling water flows away from the cylinder cooling water supply passage. This cooling case is inserted in the middle of the water test passage where water is discharged from the water test port, and without changing the existing cylinder block, it can be efficiently cooled with unheated cooling water, and the rectifier can be cooled. It has the effect of improving output and stabilizing the action at low cost.
第１図はこの発明の実施例になる整流器冷却装置の縦断
面図、第２図は第１図Ａ矢視による整流器の側面図、第
３図は第１図の整流器冷却装置を備えた船外機の側面図
、第４図は第３図の拡大した平面図、第５図は第１図の
整流器冷却装置の制御系を示すブロックダイヤグラム、
第６図は従来の整流器冷却装置を示すシリンダブロック
の縦断面図である。
１・・・エンジンカバー、１ａ・・・アッパーカバー１
ｂ・・・ロアカバー、４・・・エンジンユニット、６・
・・シリンダ、７・・・ウォータジャケット、９・・・
検水パイプ、１０・・・整流器、１１・・・放熱フィン
、１２・・・冷却ケース、１６・・・排水パイプ、１７
・・・検水口、１８・・・温度センサ、２１・・・ブサ
−手続補正書
（自発）
６゜
補正の内容
平成
２年１２月２０
日
明細書の第８頁第８行記載の
「ブザー２
１を」
を
「ブザー２１および発光ダイオード
（ＬFig. 1 is a longitudinal cross-sectional view of a rectifier cooling device according to an embodiment of the present invention, Fig. 2 is a side view of the rectifier as viewed from arrow A in Fig. 1, and Fig. 3 is a ship equipped with the rectifier cooling device of Fig. 1. 4 is an enlarged plan view of FIG. 3; FIG. 5 is a block diagram showing the control system of the rectifier cooling device of FIG. 1;
FIG. 6 is a longitudinal sectional view of a cylinder block showing a conventional rectifier cooling device. 1...Engine cover, 1a...Upper cover 1
b... Lower cover, 4... Engine unit, 6...
...Cylinder, 7...Water jacket, 9...
Water test pipe, 10... Rectifier, 11... Radiation fin, 12... Cooling case, 16... Drainage pipe, 17
...Water test port, 18...Temperature sensor, 21...Buzzer procedure amendment (voluntary) 6゜Contents of amendment 2 1" to "buzzer 21 and light emitting diode (L
Claims (1)
パイプにより、冷却水の一部が機外表の目視可能位置に
配置された検水口から放水される船外機において、起電
電流を調整する整流器に、その放熱フィンを水密に覆う
冷却ケースが備えられ、上記検水パイプの先端が冷却ケ
ースの下部に接続されると共に、冷却ケースの上部から
導出された排水パイプが上記検水口に接続されたことを
特徴とする船外機の整流器冷却装置。 ２、冷却ケースに温度センサまたは冷却水の有無を検出
する冷却水センサが取着けられ、その検出信号によりエ
ンジン回転数調整装置および警報装置が制御されたこと
を特徴とする請求項１記載の船外機の整流器冷却装置。[Claims] 1. In an outboard motor in which a water test pipe branching from a cooling water supply passage for cooling the cylinder, a portion of the cooling water is discharged from a water test port located at a visually visible position on the outside of the motor. , the rectifier that adjusts the electromotive current is equipped with a cooling case that watertightly covers its radiation fins, the tip of the water test pipe is connected to the lower part of the cooling case, and a drainage pipe is led out from the upper part of the cooling case. A rectifier cooling device for an outboard motor, characterized in that a rectifier cooling device is connected to the water inspection port. 2. The ship according to claim 1, wherein a temperature sensor or a cooling water sensor for detecting the presence or absence of cooling water is attached to the cooling case, and the engine speed adjustment device and the alarm device are controlled by the detection signal. Outer machine rectifier cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2145470A JP2969799B2 (en) | 1990-06-05 | 1990-06-05 | Outboard motor rectifier cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2145470A JP2969799B2 (en) | 1990-06-05 | 1990-06-05 | Outboard motor rectifier cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0439194A true JPH0439194A (en) | 1992-02-10 |
| JP2969799B2 JP2969799B2 (en) | 1999-11-02 |
Family
ID=15385990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2145470A Expired - Lifetime JP2969799B2 (en) | 1990-06-05 | 1990-06-05 | Outboard motor rectifier cooling system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2969799B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250981B1 (en) * | 1998-12-24 | 2001-06-26 | Suzuki Motor Corporation | Water jacket structure for an outboard motor |
| CN113513425A (en) * | 2021-04-30 | 2021-10-19 | 苏州百胜动力机器股份有限公司 | Concentrated exhaust cooling structure of outboard engine power assembly |
-
1990
- 1990-06-05 JP JP2145470A patent/JP2969799B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250981B1 (en) * | 1998-12-24 | 2001-06-26 | Suzuki Motor Corporation | Water jacket structure for an outboard motor |
| CN113513425A (en) * | 2021-04-30 | 2021-10-19 | 苏州百胜动力机器股份有限公司 | Concentrated exhaust cooling structure of outboard engine power assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2969799B2 (en) | 1999-11-02 |
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