JPH0479956U - - Google Patents
Info
- Publication number
- JPH0479956U JPH0479956U JP12129190U JP12129190U JPH0479956U JP H0479956 U JPH0479956 U JP H0479956U JP 12129190 U JP12129190 U JP 12129190U JP 12129190 U JP12129190 U JP 12129190U JP H0479956 U JPH0479956 U JP H0479956U
- Authority
- JP
- Japan
- Prior art keywords
- detection means
- water temperature
- engine
- engine key
- vehicle
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims 8
- 238000010438 heat treatment Methods 0.000 claims 5
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Air-Conditioning For Vehicles (AREA)
Description
第１図は本考案の一実施例に係わるデイーゼル
エンジンの予熱装置を示す全体図、第２図は動作
を説明するためのフローチヤート、第３図はエン
ジン水温ｔｗとエアヒータの消費電力Ｐとの関係
を示すマツプ、第４図はエアヒータを駆動する駆
動信号のデユーテイを説明するための図である。
１１……エアクリーナ、１２……配管、１３…
…マニホールド、１４……エアヒータ、１５……
デイーゼルエンジン、１６……コントローラ、１
８……予熱スイツチ、１９……水温センサ、２０
……車速センサ。
Fig. 1 is an overall diagram showing a diesel engine preheating device according to an embodiment of the present invention, Fig. 2 is a flowchart for explaining the operation, and Fig. 3 is a diagram showing the relationship between the engine water temperature tw and the power consumption P of the air heater. A map showing the relationship, FIG. 4, is a diagram for explaining the duty of the drive signal for driving the air heater. 11...Air cleaner, 12...Piping, 13...
...Manifold, 14...Air heater, 15...
Diesel engine, 16... Controller, 1
8... Preheating switch, 19... Water temperature sensor, 20
...Vehicle speed sensor.
Claims (1)
を加熱する加熱手段と、エンジンキーが予熱位置
にセツトされたかを検出するエンジンキー位置検
出手段と、車両が走行したかを判定する車速検出
手段と、エンジン水温を検出するエンジン水温検
出手段と、上記エンジンキー位置検出手段により
エンジンキーが予熱位置にないと検出され、上記
車速検出手段により車両が停止していると判定さ
れ、且つ上記水温検出手段により水温が所定値以
下であると判定された場合に上記加熱手段を水温
に応じたデユーテイで駆動する手段と、上記エン
ジンキー位置検出手段によりエンジンキーが予熱
位置にないと検出され、車速検出手段により車両
が走行していると判定された場合には上記加熱手
段の駆動を停止する手段とを具備したことを特徴
とするデイーゼルエンジンの予熱装置。 A heating means for heating air taken into a combustion chamber of a diesel engine; an engine key position detection means for detecting whether the engine key is set in the preheating position; a vehicle speed detection means for determining whether the vehicle is running; The engine water temperature detection means detects the water temperature, the engine key position detection means detects that the engine key is not in the preheating position, the vehicle speed detection means determines that the vehicle is stopped, and the water temperature detection means detects the water temperature. is determined to be below a predetermined value, the heating means is driven at a duty according to the water temperature, and the engine key position detection means detects that the engine key is not in the preheating position, and the vehicle speed detection means drives the vehicle at a preheating position. A preheating device for a diesel engine, comprising means for stopping driving of the heating means when it is determined that the heating means is running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12129190U JPH0479956U (en) | 1990-11-21 | 1990-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12129190U JPH0479956U (en) | 1990-11-21 | 1990-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479956U true JPH0479956U (en) | 1992-07-13 |
Family
ID=31869151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12129190U Pending JPH0479956U (en) | 1990-11-21 | 1990-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479956U (en) |
-
1990
- 1990-11-21 JP JP12129190U patent/JPH0479956U/ja active Pending
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