JPS61122378U - - Google Patents
Info
- Publication number
- JPS61122378U JPS61122378U JP643285U JP643285U JPS61122378U JP S61122378 U JPS61122378 U JP S61122378U JP 643285 U JP643285 U JP 643285U JP 643285 U JP643285 U JP 643285U JP S61122378 U JPS61122378 U JP S61122378U
- Authority
- JP
- Japan
- Prior art keywords
- water temperature
- ignition timing
- control value
- reference control
- heater
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 239000013643 reference control Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 claims 1
- 238000010792 warming Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Electrical Control Of Ignition Timing (AREA)
Description
第１図は本考案の全体構成図、第２図はこの考
案に係る内燃機関の暖機促進装置の一実施例を示
す概略図、第３図は同実施例におけるマイクロコ
ンピユータのフローチヤート図、第４Ａ図は冷却
水温に対する燃料噴射パルス巾の増量系数をヒー
タＯＦＦ時と本実施例で制御によるヒータ作動時
とを比較して示すグラフ、第４Ｂ図は冷却水温に
対する点火時期補正係数をヒータＯＦＦ時と本実
施例で制御されたヒータ作動時とを比較して示す
グラフ、第５図は機関始動時から経過時間との関
係で水温の上昇特性を示すグラフである。
１…コントロールユニツト（基準制御値設定手
段）、２…エアフローメータ、４…クランク角セ
ンサ、６…水温センサ（水温検出手段）、７…機
関、１２…ヒータユニツト（ヒータ作動検出手段
）、１５…インジエクタ、１６…点火栓、Ｓ４…
第１補正手段、Ｓ６…第２補正手段。
FIG. 1 is an overall configuration diagram of the present invention, FIG. 2 is a schematic diagram showing an embodiment of a warm-up promotion device for an internal combustion engine according to this invention, and FIG. 3 is a flowchart of a microcomputer in the same embodiment. Figure 4A is a graph showing the increasing number of fuel injection pulse widths for cooling water temperature when the heater is OFF and when the heater is activated by the control in this embodiment. Figure 4B is a graph showing the ignition timing correction coefficient for cooling water temperature when the heater is OFF. FIG. 5 is a graph showing the increase in water temperature in relation to the time elapsed since the engine was started. DESCRIPTION OF SYMBOLS 1... Control unit (reference control value setting means), 2... Air flow meter, 4... Crank angle sensor, 6... Water temperature sensor (water temperature detection means), 7... Engine, 12... Heater unit (heater operation detection means), 15... Injector, 16...Spark plug, S4 ...
First correction means, S6 ...Second correction means.
Claims (1)
値を設定する基準制御値設定手段と、ヒータの作
動を検出する作動検出手段に基づいて点火時期の
遅角量を上記基準制御値に加算する第１の補正手
段と、冷却水温を検出する水温検出手段に基づい
て暖機後においてもアイドル時の点火時期の遅角
量を上記基準制御値に加算する第２の補正手段と
を備えたことを特徴とする内燃機関の暖機促進装
置。 The amount of retardation of the ignition timing is added to the reference control value based on a reference control value setting means for setting a reference value for the ignition timing according to engine speed and load, etc., and an operation detection means for detecting operation of the heater. A first correction means and a second correction means for adding the amount of retardation of the ignition timing during idling to the reference control value even after warming up based on the water temperature detection means for detecting the cooling water temperature. A warm-up acceleration device for an internal combustion engine, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985006432U JPH0744757Y2 (en) | 1985-01-21 | 1985-01-21 | Warm-up promotion device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985006432U JPH0744757Y2 (en) | 1985-01-21 | 1985-01-21 | Warm-up promotion device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61122378U true JPS61122378U (en) | 1986-08-01 |
| JPH0744757Y2 JPH0744757Y2 (en) | 1995-10-11 |
Family
ID=30483864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985006432U Expired - Lifetime JPH0744757Y2 (en) | 1985-01-21 | 1985-01-21 | Warm-up promotion device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0744757Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54109517A (en) * | 1978-02-17 | 1979-08-28 | Toyota Motor Corp | Automobile engine |
| JPS58113577A (en) * | 1981-12-26 | 1983-07-06 | Nippon Denso Co Ltd | Idling controller in internal-combustion engine |
-
1985
- 1985-01-21 JP JP1985006432U patent/JPH0744757Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54109517A (en) * | 1978-02-17 | 1979-08-28 | Toyota Motor Corp | Automobile engine |
| JPS58113577A (en) * | 1981-12-26 | 1983-07-06 | Nippon Denso Co Ltd | Idling controller in internal-combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0744757Y2 (en) | 1995-10-11 |
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