JPS63123720U - - Google Patents
Info
- Publication number
- JPS63123720U JPS63123720U JP1987015729U JP1572987U JPS63123720U JP S63123720 U JPS63123720 U JP S63123720U JP 1987015729 U JP1987015729 U JP 1987015729U JP 1572987 U JP1572987 U JP 1572987U JP S63123720 U JPS63123720 U JP S63123720U
- Authority
- JP
- Japan
- Prior art keywords
- state
- exhaust
- engine
- cranking
- heat exchanger
- 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 2
- 239000000498 cooling water Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Exhaust Silencers (AREA)
Description
第１図は本考案に基づく排気熱交換器のための
制御装置が適用された車輌の冷却スイツチ系統を
示すダイヤフラム図である。第２図は第１図の要
部を拡大して示すブロツク図である。第３図は本
考案に基づく排気熱交換器の制御を示すフロー図
である。
１……エンジン、２……通路、３……ラジエー
タ、４……通路、５……バイパス通路、６……ウ
オータポンプ、７……サーモスタツト、８……通
路、９……排気熱交換器、１１……通路、１２…
…３方弁、１３……ヒータコア、１４，１５……
通路、１６……排気ガス通路、１７……切換弁、
１８……排気ガス中央通路、１９……排気ガス環
状通路、２０……マフラ、２１……負圧アクチユ
エータ、２２……ソレノイドバルブ、２２ａ……
ソレノイド、２３……温度センサ、２４……ウオ
ータジヤケツト、２５……ＥＣＵ、２６……エン
ジン回転速度センサ、２７……スタータスイツチ
、２８……波形整形回路、２９……カウンタ、３
０……ＣＰＵ、３１……レベル修正回路、３２…
…マルチプレクサ、３３……Ａ／Ｄコンバータ、
３４……ＲＯＭ、３５……ＲＡＭ、３６……駆動
回路、４１〜４８……ステツプ。
FIG. 1 is a diaphragm diagram showing a cooling switch system of a vehicle to which a control device for an exhaust heat exchanger according to the present invention is applied. FIG. 2 is a block diagram showing the main parts of FIG. 1 in an enlarged manner. FIG. 3 is a flow diagram showing control of the exhaust heat exchanger based on the present invention. 1... Engine, 2... Passage, 3... Radiator, 4... Passage, 5... Bypass passage, 6... Water pump, 7... Thermostat, 8... Passage, 9... Exhaust heat exchanger , 11...Aisle, 12...
...3-way valve, 13... Heater core, 14, 15...
Passage, 16...Exhaust gas passage, 17...Switching valve,
18...Exhaust gas central passage, 19...Exhaust gas annular passage, 20...Muffler, 21...Negative pressure actuator, 22...Solenoid valve, 22a...
Solenoid, 23... Temperature sensor, 24... Water jacket, 25... ECU, 26... Engine speed sensor, 27... Starter switch, 28... Waveform shaping circuit, 29... Counter, 3
0...CPU, 31...Level correction circuit, 32...
...Multiplexer, 33...A/D converter,
34...ROM, 35...RAM, 36...drive circuit, 41-48...step.
Claims (1)
行い排気抵抗が相対的に大きな第１の状態と、前
記熱交換が実質的に行われず排気抵抗が相対的に
小さな第２の状態とを有するエンジンの排気熱交
換器のための制御装置であつて、 前記第１の状態と前記第２の状態とを選択する
選択手段と、 前記エンジンのクランキングの検出手段と、 前記クランキング検出手段の検出結果に応じて
前記クランキング開始後少なくとも所定時間内は
前記選択手段が前記第２の状態を選択するように
制御する制御手段とを有していることを特徴とす
る排気熱交換器のための制御装置。[Claims for Utility Model Registration] A first state in which heat exchange occurs between engine exhaust gas and cooling water and the exhaust resistance is relatively large; and a first state in which the heat exchange does not substantially occur and the exhaust resistance is relatively large. A control device for an exhaust heat exchanger of an engine having a small second state, comprising: selection means for selecting the first state and the second state; and detecting cranking of the engine. and control means for controlling the selection means to select the second state at least within a predetermined time after the start of cranking according to the detection result of the cranking detection means. A control device for an exhaust heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987015729U JPH0540256Y2 (en) | 1987-02-05 | 1987-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987015729U JPH0540256Y2 (en) | 1987-02-05 | 1987-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63123720U true JPS63123720U (en) | 1988-08-11 |
| JPH0540256Y2 JPH0540256Y2 (en) | 1993-10-13 |
Family
ID=30806930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987015729U Expired - Lifetime JPH0540256Y2 (en) | 1987-02-05 | 1987-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540256Y2 (en) |
-
1987
- 1987-02-05 JP JP1987015729U patent/JPH0540256Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0540256Y2 (en) | 1993-10-13 |
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