JPS6249416U - - Google Patents
Info
- Publication number
- JPS6249416U JPS6249416U JP14022685U JP14022685U JPS6249416U JP S6249416 U JPS6249416 U JP S6249416U JP 14022685 U JP14022685 U JP 14022685U JP 14022685 U JP14022685 U JP 14022685U JP S6249416 U JPS6249416 U JP S6249416U
- Authority
- JP
- Japan
- Prior art keywords
- rotational speed
- compressor
- temperature
- detection means
- engine
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Air-Conditioning For Vehicles (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Description
第1図は本考案による車輌用冷房装置の一実施
例の全体図、第2図乃至第4図は実施例の装置に
採用された圧縮機の正断面図と、Y―Y線による
側断面図と、そして要部構造図、第5図は温度T
と切替回転速度Ncとの相関を示す特性線図であ
る。
1……エンジン、2……圧縮機、4……電磁ク
ラツチ、6……エバポレータ、7……サーミスタ
温度計、12……回転センサ(回転速度検出手段
)、13……制御ユニツト、14……制御弁、1
5……温度センサ(温度検出手段)、P2……吸
入ポート。
Fig. 1 is an overall view of an embodiment of a vehicle cooling system according to the present invention, and Figs. 2 to 4 are a front sectional view and a side sectional view taken along the Y--Y line of the compressor adopted in the embodiment of the system. Figure 5 shows the temperature T
FIG. 3 is a characteristic diagram showing the correlation between the switching rotational speed Nc and the switching rotational speed Nc. DESCRIPTION OF SYMBOLS 1... Engine, 2... Compressor, 4... Electromagnetic clutch, 6... Evaporator, 7... Thermistor thermometer, 12... Rotation sensor (rotation speed detection means), 13... Control unit, 14... control valve, 1
5...Temperature sensor (temperature detection means), P2 ...Suction port.
Claims (1)
速度を検出する回転速度検出手段と、車室内また
は車室外のいずれか一方の温度を検出する温度検
出手段と、前記温度検出手段によつて検出された
温度に対応して前記圧縮機における冷媒吐出容量
を切り換えて変化させるよう前記エンジンまたは
前記圧縮機の切替回転速度を設定し前記現回転速
度と前記切替回転速度とを比較してその比較に応
した作動信号を出力する制御ユニツトと、前記圧
縮機の吸入ポートに設けられ前記制御ユニツトか
らの作動信号によつて作動して前記冷媒吐出容量
を変化させるよう前記吸入ボートの開閉を行う制
御弁と、を備えたことを特徴とする車輌用冷房装
置。 a rotational speed detection means for detecting the current rotational speed of either the engine or the compressor; a temperature detection means for detecting the temperature inside or outside the vehicle; and a temperature detected by the temperature detection means. A switching rotational speed of the engine or the compressor is set so as to switch and change the refrigerant discharge capacity of the compressor in accordance with the temperature, and the current rotational speed and the switching rotational speed are compared and the switching rotational speed is adjusted according to the comparison. a control unit that outputs an actuation signal; a control valve that is provided at a suction port of the compressor and is actuated by the actuation signal from the control unit to open and close the suction boat so as to change the refrigerant discharge capacity; A vehicle cooling system characterized by comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14022685U JPS6249416U (en) | 1985-09-12 | 1985-09-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14022685U JPS6249416U (en) | 1985-09-12 | 1985-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6249416U true JPS6249416U (en) | 1987-03-27 |
Family
ID=31046874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14022685U Pending JPS6249416U (en) | 1985-09-12 | 1985-09-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6249416U (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5090035A (en) * | 1973-12-18 | 1975-07-18 | ||
JPS57121919A (en) * | 1981-01-20 | 1982-07-29 | Mitsubishi Electric Corp | Control of operation of compressor for car-loading |
JPS57201714A (en) * | 1981-06-01 | 1982-12-10 | Nippon Denso Co Ltd | Adjusting method of cooling capability in air conditioning device for automobile |
JPS5841451B2 (en) * | 1978-11-10 | 1983-09-12 | 勝 段野 | Impeller type high-sensitivity gas flow meter |
JPS5940931A (en) * | 1982-09-01 | 1984-03-06 | Nissan Motor Co Ltd | Automobile compressor |
JPS59149815A (en) * | 1982-12-25 | 1984-08-27 | Nippon Denso Co Ltd | Car refrigerating cycle controller |
JPS619324A (en) * | 1984-06-21 | 1986-01-16 | Nippon Denso Co Ltd | Control device for vehicle air-conditioner |
-
1985
- 1985-09-12 JP JP14022685U patent/JPS6249416U/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5090035A (en) * | 1973-12-18 | 1975-07-18 | ||
JPS5841451B2 (en) * | 1978-11-10 | 1983-09-12 | 勝 段野 | Impeller type high-sensitivity gas flow meter |
JPS57121919A (en) * | 1981-01-20 | 1982-07-29 | Mitsubishi Electric Corp | Control of operation of compressor for car-loading |
JPS57201714A (en) * | 1981-06-01 | 1982-12-10 | Nippon Denso Co Ltd | Adjusting method of cooling capability in air conditioning device for automobile |
JPS5940931A (en) * | 1982-09-01 | 1984-03-06 | Nissan Motor Co Ltd | Automobile compressor |
JPS59149815A (en) * | 1982-12-25 | 1984-08-27 | Nippon Denso Co Ltd | Car refrigerating cycle controller |
JPS619324A (en) * | 1984-06-21 | 1986-01-16 | Nippon Denso Co Ltd | Control device for vehicle air-conditioner |