JPS6198952U - - Google Patents
Info
- Publication number
- JPS6198952U JPS6198952U JP18349584U JP18349584U JPS6198952U JP S6198952 U JPS6198952 U JP S6198952U JP 18349584 U JP18349584 U JP 18349584U JP 18349584 U JP18349584 U JP 18349584U JP S6198952 U JPS6198952 U JP S6198952U
- Authority
- JP
- Japan
- Prior art keywords
- evaporator
- temperature
- comparison means
- timer
- output
- 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
- 230000002528 anti-freeze Effects 0.000 claims description 4
- 108010053481 Antifreeze Proteins Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Air-Conditioning For Vehicles (AREA)
- Air Conditioning Control Device (AREA)
Description
第１図は本考案に係る凍結防止装置に用いる制
御回路の一実施例を示す回路図、第２図は同上の
凍結防止装置を示す概略図、第３図は同上の制御
回路における基準電圧Ｅｓと総合信号Ｔとの関係
を示す特性線図、第４図は同上の制御回路におけ
るコンプレツサのオンオフ特性を示す特性線図、
第５図は同上の凍結防止装置におけるエバポレー
タの温度変化とエバポレータを通過した空気の温
度変化を示す特性線図、第６図は従来例を示す回
路図、第７図は同上の従来例におけるエバポレー
タの温度変化と車内温度変化を示す特性線図であ
る。
１７……エバポレータセンサ、１８……空気温
度センサ、２３……第１比較回路、２４……第２
比較回路、２５……タイマ、２６……駆動制御回
路、２７……可変サーモ回路、２８……総合信号
演算回路。
Fig. 1 is a circuit diagram showing an embodiment of the control circuit used in the antifreeze device according to the present invention, Fig. 2 is a schematic diagram showing the antifreeze device described above, and Fig. 3 is a reference voltage Es in the control circuit described above. FIG. 4 is a characteristic diagram showing the on-off characteristics of the compressor in the same control circuit as above;
Fig. 5 is a characteristic diagram showing the temperature change of the evaporator and the temperature change of the air passing through the evaporator in the same antifreeze device as above, Fig. 6 is a circuit diagram showing a conventional example, and Fig. 7 is an evaporator in the conventional example same as above. FIG. 3 is a characteristic diagram showing temperature changes in the vehicle and temperature changes in the vehicle interior. 17... Evaporator sensor, 18... Air temperature sensor, 23... First comparison circuit, 24... Second
Comparison circuit, 25...Timer, 26...Drive control circuit, 27...Variable thermo circuit, 28...Comprehensive signal calculation circuit.
Claims (1)
ンサと、このエバポレータセンサの出力を第１の
所定値と比較する第１の比較手段と、エバポレー
タを通過した空気の温度を検出する空気温度セン
サと、この空気温度センサの出力を第２の所定値
と比較する第２の比較手段と、この第２の比較手
段の出力を所定時間継続させるタイマと、このタ
イマと前記第１の比較手段との出力に応じてコン
プレツサをオンオフ制御する駆動制御手段とを具
備し、前記タイマの出力時にコンプレツサのオン
オフ温度を上昇させることを特徴とする凍結防止
装置。 an evaporator sensor that detects the temperature of the evaporator; a first comparing means that compares the output of the evaporator sensor with a first predetermined value; an air temperature sensor that detects the temperature of the air that has passed through the evaporator; a second comparison means for comparing the output of the second comparison means with a second predetermined value; a timer for continuing the output of the second comparison means for a predetermined time; and a compressor according to the outputs of the timer and the first comparison means. and drive control means for controlling on/off of the compressor, the anti-freeze device being characterized in that the on/off temperature of the compressor is increased when the timer outputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18349584U JPH0330779Y2 (en) | 1984-12-03 | 1984-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18349584U JPH0330779Y2 (en) | 1984-12-03 | 1984-12-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6198952U true JPS6198952U (en) | 1986-06-25 |
| JPH0330779Y2 JPH0330779Y2 (en) | 1991-06-28 |
Family
ID=30740989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18349584U Expired JPH0330779Y2 (en) | 1984-12-03 | 1984-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330779Y2 (en) |
-
1984
- 1984-12-03 JP JP18349584U patent/JPH0330779Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0330779Y2 (en) | 1991-06-28 |