JPS632607U - - Google Patents
Info
- Publication number
- JPS632607U JPS632607U JP9720086U JP9720086U JPS632607U JP S632607 U JPS632607 U JP S632607U JP 9720086 U JP9720086 U JP 9720086U JP 9720086 U JP9720086 U JP 9720086U JP S632607 U JPS632607 U JP S632607U
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic clutch
- detection means
- rotation
- slippage
- air conditioner
- 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 8
- 230000005284 excitation Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Air-Conditioning For Vehicles (AREA)
Description
第１図はこの考案に係る保護装置の実施例を示
す概略回路図、第２図は同上の保護装置の具体回
路図、第３図は同上の保護装置の概略構成図、第
４図は同上の保護装置の作動を示すフローチヤー
ト、第５図は他の実施例を示す概略回路図である
。
８……第１の回転検出器、９……第２の回転検
出器、１０４……作動検出回路、１０５……すべ
り判定回路。
Fig. 1 is a schematic circuit diagram showing an embodiment of the protection device according to the invention, Fig. 2 is a specific circuit diagram of the same protection device, Fig. 3 is a schematic configuration diagram of the same protection device, and Fig. 4 is the same as the above. FIG. 5 is a flowchart showing the operation of the protection device, and FIG. 5 is a schematic circuit diagram showing another embodiment. 8...first rotation detector, 9...second rotation detector, 104...operation detection circuit, 105...slip determination circuit.
Claims (1)
行用エンジンの回転を圧縮機に伝達する自動車用
空調装置において、前記走行用エンジンの回転数
を検出する第１の回転検出手段と、前記圧縮機の
回転数を検出する第２の回転検出手段と、前記第
１の回転検出手段の出力と前記第２の回転検出手
段の出力とを比較して前記圧縮機のすべりの有無
を判定するすべり判定手段と、このすべり判定手
段の判定結果に応じて前記電磁クラツチの通電を
オンオフ制御する駆動断続手段と、前記電磁クラ
ツチを構成する励磁コイルに直列接続された制御
スイツチと、前記電磁クラツチが実際にオンオフ
されたか否かを検出する作動検出手段とを具備し
、該作動検出手段は、前記制御スイツチにより前
記電磁クラツチがオフされたことが検出された場
合、前記すべり判定手段の判定結果をすべり無し
とするようにしたことを特徴とする自動車用空調
装置。 ２ 作動検出手段は電磁クラツチの励磁コイルの
電源側に接続された入力端子を有することを特徴
とする実用新案登録請求の範囲第１項記載の自動
車用空調装置。[Claims for Utility Model Registration] 1. In an automotive air conditioner that transmits the rotation of a driving engine to a compressor via a belt transmission device and an electromagnetic clutch, a first rotation detection device that detects the rotational speed of the driving engine. means, second rotation detection means for detecting the rotation speed of the compressor, and comparing the output of the first rotation detection means and the output of the second rotation detection means to detect the slippage of the compressor. a slip determining means for determining the presence or absence of a slip; a drive intermittent means for controlling energization of the electromagnetic clutch on and off according to a determination result of the slip determining means; a control switch connected in series to an excitation coil constituting the electromagnetic clutch; and operation detection means for detecting whether or not the electromagnetic clutch is actually turned on or off, and when the control switch detects that the electromagnetic clutch is turned off, the operation detection means detects the slippage determination means. An air conditioner for an automobile, characterized in that the determination result is that there is no slippage. 2. The air conditioner for an automobile according to claim 1, wherein the operation detection means has an input terminal connected to the power source side of the excitation coil of the electromagnetic clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9720086U JPS632607U (en) | 1986-06-25 | 1986-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9720086U JPS632607U (en) | 1986-06-25 | 1986-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS632607U true JPS632607U (en) | 1988-01-09 |
Family
ID=30963906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9720086U Pending JPS632607U (en) | 1986-06-25 | 1986-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS632607U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200691A (en) * | 1981-06-05 | 1982-12-08 | Nissan Motor Co Ltd | Apparatus for controlling operation of compressor |
| JPS5871214A (en) * | 1981-10-20 | 1983-04-27 | Nippon Denso Co Ltd | Automobile's cooler |
-
1986
- 1986-06-25 JP JP9720086U patent/JPS632607U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200691A (en) * | 1981-06-05 | 1982-12-08 | Nissan Motor Co Ltd | Apparatus for controlling operation of compressor |
| JPS5871214A (en) * | 1981-10-20 | 1983-04-27 | Nippon Denso Co Ltd | Automobile's cooler |
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