JPS62171667U - - Google Patents
Info
- Publication number
- JPS62171667U JPS62171667U JP5880386U JP5880386U JPS62171667U JP S62171667 U JPS62171667 U JP S62171667U JP 5880386 U JP5880386 U JP 5880386U JP 5880386 U JP5880386 U JP 5880386U JP S62171667 U JPS62171667 U JP S62171667U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- compressor
- pressure
- crank chamber
- cycle load
- 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 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
第１図は本考案の構成を示すブロツク図、第２
図は本考案の一実施例に係る容量可変斜板式コン
プレツサ及びその制御装置の概略構成図、第３図
は同実施例に係る作用を示すフローチヤート図、
第４図Ａ〜Ｃは同実施例に係る容量可変斜板式コ
ンプレツサの概略断面図、第５図は同実施例に係
る限界回転数算出手段の作用を示すグラフ、第６
図は自動車用冷房サイクルを示す概略図である。
１１……駆動軸、１２……クランク室、１３…
…駆動斜板、１６……ウオブル板、２３……ピス
トン、２６……圧縮室、２８ａ……吸入ポート、
２８ｂ……吐出ポート、５４……吸入側連通路、
５５……吐出側連通路、５７……第１電磁弁、５
８……第２電磁弁、６２……マイコン、６３……
圧力センサ、６４……回転数センサ、７０……サ
イクル負荷検知手段、７１……サイクル負荷比較
手段、７２……クランク室圧制御手段、７３……
コンプ回転数検知手段、７４……限界回転数算出
手段、７５……コンプ回転数比較手段。
Figure 1 is a block diagram showing the configuration of the present invention;
The figure is a schematic configuration diagram of a variable capacity swash plate compressor and its control device according to an embodiment of the present invention, and FIG. 3 is a flowchart showing the operation of the embodiment.
4A to 4C are schematic sectional views of the variable capacity swash plate type compressor according to the same embodiment, FIG. 5 is a graph showing the action of the limit rotation speed calculation means according to the same embodiment, and FIG.
The figure is a schematic diagram showing an automobile cooling cycle. 11... Drive shaft, 12... Crank chamber, 13...
... Drive swash plate, 16 ... Wobble plate, 23 ... Piston, 26 ... Compression chamber, 28a ... Suction port,
28b...Discharge port, 54...Suction side communication path,
55...Discharge side communication path, 57...First solenoid valve, 5
8...Second solenoid valve, 62...Microcomputer, 63...
Pressure sensor, 64... Rotation speed sensor, 70... Cycle load detection means, 71... Cycle load comparison means, 72... Crank chamber pressure control means, 73...
Compressor rotational speed detection means, 74... limit rotational speed calculation means, 75... compressor rotational speed comparison means.
Claims (1)
に装着された複数のピストン２３を、駆動軸１１
と一体に回転すると共に傾斜角度が可変自在に取
付けられた駆動斜板１３により往復動するように
し、前記ピストン２３の前方に形成された圧縮室
２６内の圧力と、前記ピストン２３の後方に形成
されたクランク室１２内の圧力との差圧の変化に
より前記駆動斜板１３の傾斜角度を変化させて前
記ピストン２３のストロークを変化させるように
した容量可変斜板式コンプレツサにおいて、 前記容量可変斜板式コンプレツサが装着された
冷房サイクルの熱負荷を検知するサイクル負荷検
知手段６３，７０と、 このサイクル負荷検知手段で検知したサイクル
負荷が所定値以上かどうかを比較するサイクル負
荷比較手段７１と、 前記コンプレツサの実際の回転数を検知するコ
ンプ回転数検知手段６４，７３と、 前記サイクル負荷検知手段により検知したサイ
クル負荷に基づいて、当該サイクル負荷における
限界のコンプレツサ回転数を求める限界回転数算
出手段７４と、 前記コンプ回転数検知手段７３で検知した実際
の回転数が前記限界回転数算出手段７４により算
出した限界回転数以下かどうかを比較するコンプ
回転数比較手段７５と、 前記コンプ回転数比較手段７５及びサイクル負
荷比較手段７１からの出力信号に応じて前記クラ
ンク室１２内の圧力を変化させるクランク室圧制
御手段７２とから成り、 前記コンプ回転数比較手段７５で比較した前記
実際の回転数が限界回転数より大きい場合には、
当該クランク室圧比較手段７５からの出力信号に
基づいて優先的に、前記クランク室圧制御手段７
２によりクランク室１２内の圧力を増大させ、コ
ンプレツサの吐出容量が減少するように制御する
ことを特徴とする容量可変斜板式コンプレツサの
制御装置。[Claims for Utility Model Registration] A plurality of pistons 23 mounted in a cylinder block 24 so as to be able to reciprocate in the axial direction are connected to the drive shaft 11.
The pressure in the compression chamber 26 formed in front of the piston 23 and the pressure in the compression chamber 26 formed in the rear of the piston 23 are reciprocated by a drive swash plate 13 which rotates integrally with the piston 23 and is attached with a variable inclination angle. In the variable capacity swash plate type compressor, the stroke of the piston 23 is changed by changing the inclination angle of the drive swash plate 13 in accordance with a change in the pressure difference between the pressure inside the crank chamber 12 and the pressure inside the crank chamber 12. cycle load detection means 63, 70 for detecting the heat load of the cooling cycle to which the compressor is installed; cycle load comparison means 71 for comparing whether the cycle load detected by the cycle load detection means is equal to or greater than a predetermined value; and the compressor. compressor rotation speed detection means 64, 73 for detecting the actual rotation speed of the compressor, and limit rotation speed calculation means 74 for calculating the limit compressor rotation speed at the cycle load based on the cycle load detected by the cycle load detection means. , a compressor rotation speed comparison means 75 for comparing whether the actual rotation speed detected by the compressor rotation speed detection means 73 is equal to or less than the limit rotation speed calculated by the limit rotation speed calculation means 74; and the compressor rotation speed comparison means 75. and a crank chamber pressure control means 72 that changes the pressure in the crank chamber 12 according to the output signal from the cycle load comparison means 71, and the actual rotation speed compared by the compressor rotation speed comparison means 75 is the limit. If the rotation speed is greater than the
Based on the output signal from the crank chamber pressure comparison means 75, the crank chamber pressure control means 7
2. A control device for a variable capacity swash plate type compressor, characterized in that the pressure in the crank chamber 12 is increased by the control device 2, and the discharge capacity of the compressor is decreased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5880386U JPH0429100Y2 (en) | 1986-04-21 | 1986-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5880386U JPH0429100Y2 (en) | 1986-04-21 | 1986-04-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62171667U true JPS62171667U (en) | 1987-10-30 |
| JPH0429100Y2 JPH0429100Y2 (en) | 1992-07-15 |
Family
ID=30889702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5880386U Expired JPH0429100Y2 (en) | 1986-04-21 | 1986-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429100Y2 (en) |
-
1986
- 1986-04-21 JP JP5880386U patent/JPH0429100Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0429100Y2 (en) | 1992-07-15 |
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