JPH01167553U - - Google Patents
Info
- Publication number
- JPH01167553U JPH01167553U JP6209388U JP6209388U JPH01167553U JP H01167553 U JPH01167553 U JP H01167553U JP 6209388 U JP6209388 U JP 6209388U JP 6209388 U JP6209388 U JP 6209388U JP H01167553 U JPH01167553 U JP H01167553U
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- surging
- detection means
- input
- liquid temperature
- 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
- 239000003507 refrigerant Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims 4
- 230000005494 condensation Effects 0.000 claims 3
- 238000009833 condensation Methods 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
Description
第１図は本考案の一実施例の系統図、第２図は
上記実施例のサージング判定回路の詳細図、第３
図は他の実施例のサージング判定回路の詳細図、
第４図はターボ圧縮機の性能曲線図である。
１…ターボ圧縮機、２…凝縮器、３…冷媒流量
制御装置、４…蒸発器、５…圧縮機駆動用電動機
、６…吸込ベーン、７…吸込ベーン駆動用モータ
、８…ホツトガスバイパス弁、９…ホツトガスバ
イパス弁駆動用モータ、１０…冷水温度検出器、
１１…コントローラ、１２…凝縮器圧力検出器、
１３…凝縮冷媒温度検出器、１４…サージング判
定回路、１５…演算器、１６…比較器、１７…演
算器、１８…比較器。
FIG. 1 is a system diagram of an embodiment of the present invention, FIG. 2 is a detailed diagram of the surging determination circuit of the above embodiment, and FIG.
The figure is a detailed diagram of a surging determination circuit of another embodiment.
FIG. 4 is a performance curve diagram of the turbo compressor. DESCRIPTION OF SYMBOLS 1...Turbo compressor, 2...Condenser, 3...Refrigerant flow rate control device, 4...Evaporator, 5...Compressor drive electric motor, 6...Suction vane, 7...Suction vane drive motor, 8...Hot gas bypass valve , 9...Hot gas bypass valve driving motor, 10...Cold water temperature detector,
11... Controller, 12... Condenser pressure detector,
13... Condensed refrigerant temperature detector, 14... Surging determination circuit, 15... Arithmetic unit, 16... Comparator, 17... Arithmetic unit, 18... Comparator.
Claims (1)
れぞれ検出する手段と、前記検出手段から入力さ
れた冷媒凝縮圧力より求めた冷媒飽和温度と前記
検出手段から入力された凝縮冷媒液温度とを比較
するかまたは前記検出手段から入力された凝縮冷
媒液温度より求めた冷媒飽和圧力と前記検出手段
から入力された冷媒凝縮圧力とを比較するかして
サージングを判定する手段と、同判定手段がサー
ジングと判定した時サージングを回避する制御手
段とを有することを特徴とするターボ冷凍機のサ
ージング制御装置。 A means for detecting the refrigerant condensation pressure and condensed refrigerant liquid temperature of the condenser, respectively, and a comparison between the refrigerant saturation temperature obtained from the refrigerant condensation pressure input from the detection means and the condensed refrigerant liquid temperature input from the detection means. means for determining surging by comparing the refrigerant saturation pressure obtained from the condensed refrigerant liquid temperature input from the detection means with the refrigerant condensation pressure input from the detection means; 1. A surging control device for a centrifugal chiller, comprising: a control means for avoiding surging when it is determined that surging has occurred.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6209388U JPH01167553U (en) | 1988-05-13 | 1988-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6209388U JPH01167553U (en) | 1988-05-13 | 1988-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01167553U true JPH01167553U (en) | 1989-11-24 |
Family
ID=31287727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6209388U Pending JPH01167553U (en) | 1988-05-13 | 1988-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01167553U (en) |
-
1988
- 1988-05-13 JP JP6209388U patent/JPH01167553U/ja active Pending
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