JPH0415938U - - Google Patents
Info
- Publication number
- JPH0415938U JPH0415938U JP5780090U JP5780090U JPH0415938U JP H0415938 U JPH0415938 U JP H0415938U JP 5780090 U JP5780090 U JP 5780090U JP 5780090 U JP5780090 U JP 5780090U JP H0415938 U JPH0415938 U JP H0415938U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- displacement
- negative pressure
- initial data
- roller pump
- 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
- 238000013500 data storage Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 5
- 238000001514 detection method Methods 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000004364 calculation method Methods 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
Description
第１図は本考案にかかるローラポンプの概要を
示すブロツク構成図、第２図は正常時におけるラ
インイメージセンサの出力特性図、第３図は負圧
発生時におけるインイメージセンサの出力特性図
、第４図ａは正常時におけるチユーブの位置を示
す説明図、第４図ｂは負圧発生時にチユーブが変
形して凹部に沿つて位置した状態を示す説明図、
第４図ｃは負圧発生時にチユーブが変形して凹部
から離間した位置にある状態を示す説明図、第５
図は別例のローラポンプの概要を示すブロツク構
成図、第６図はＬＥＤおよび受光部の配設された
位置を示す説明図、第７図は正常時における受光
部の出力特性図、第８図は負圧発生時における受
光部の出力特性図、第９図はローラポンプの従来
例を示す平面図、第１０図はチユーブの負圧を検
出する部分を示す拡大図、第１１図は他の従来例
を示す説明図である。
１……ローラポンプ、４……モータ、７……ロ
ーラ、９……チユーブ、１１……発光ダイオード
アレイ、１２……ラインイメージセンサ、１５…
…比較演算手段および負圧発生判別手段としての
ＣＰＵ、１６……初期データ記憶手段としてのメ
モリ、１８……制御手段としての駆動装置、１９
……ＬＥＤ、２０……受光部。
Fig. 1 is a block configuration diagram showing an overview of the roller pump according to the present invention, Fig. 2 is an output characteristic diagram of the line image sensor during normal conditions, and Fig. 3 is an output characteristic diagram of the in-image sensor when negative pressure is generated. FIG. 4a is an explanatory diagram showing the position of the tube under normal conditions, and FIG. 4b is an explanatory diagram showing a state in which the tube is deformed and positioned along the recess when negative pressure is generated.
Fig. 4c is an explanatory diagram showing a state in which the tube is deformed and separated from the recess when negative pressure is generated;
The figure is a block configuration diagram showing an overview of another example of a roller pump, FIG. 6 is an explanatory diagram showing the positions of the LED and light receiving section, FIG. 7 is a diagram of the output characteristics of the light receiving section under normal conditions, and FIG. The figure shows the output characteristics of the light receiving section when negative pressure is generated, Figure 9 is a plan view showing a conventional example of a roller pump, Figure 10 is an enlarged view of the part of the tube that detects negative pressure, and Figure 11 is another example. FIG. 2 is an explanatory diagram showing a conventional example. DESCRIPTION OF SYMBOLS 1...Roller pump, 4...Motor, 7...Roller, 9...Tube, 11...Light emitting diode array, 12...Line image sensor, 15...
...CPU as comparison calculation means and negative pressure generation determination means, 16...Memory as initial data storage means, 18...Drive device as control means, 19
...LED, 20...light receiving section.
Claims (1)
りチユーブを押圧して同チユーブ内の液体を循環
または移送するローラポンプにおいて、 前記チユーブの径方向の変位を検出する変位検
出手段と、 前記チユーブの初期状態のデータを記憶する初
期データ記憶手段と、 前記変位検出手段の検出信号に基づいてチユー
ブの変位を検出し、この変位データと前記初期デ
ータ記憶手段に記憶された初期データとを比較演
算する比較演算手段と、 前記比較演算手段の比較演算結果が所定のしき
い値を越えた場合チユーブ内に負圧が発生してい
ると判別する負圧発生判別手段と、 前記負圧発生判別手段の指令信号に基づいて前
記モータを制御する制御手段と を備えたことを特徴とするローラポンプ。[Claims for Utility Model Registration] In a roller pump that rotates a roller using a motor and presses a tube by the rotation to circulate or transfer liquid within the tube, a displacement detection means for detecting displacement of the tube in the radial direction. and initial data storage means for storing data on an initial state of the tube; detecting displacement of the tube based on a detection signal of the displacement detection means, and storing this displacement data and the initial data stored in the initial data storage means. negative pressure generation determining means for determining that negative pressure is generated in the tube when the comparison result of the comparison calculating means exceeds a predetermined threshold; A roller pump comprising: control means for controlling the motor based on a command signal from a pressure generation determination means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5780090U JPH0628117Y2 (en) | 1990-05-30 | 1990-05-30 | Roller pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5780090U JPH0628117Y2 (en) | 1990-05-30 | 1990-05-30 | Roller pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0415938U true JPH0415938U (en) | 1992-02-10 |
| JPH0628117Y2 JPH0628117Y2 (en) | 1994-08-03 |
Family
ID=31582840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5780090U Expired - Lifetime JPH0628117Y2 (en) | 1990-05-30 | 1990-05-30 | Roller pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0628117Y2 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05321679A (en) * | 1992-03-27 | 1993-12-07 | Mitsubishi Motors Corp | Intake port structure for internal combustion engine |
| JPH06101485A (en) * | 1992-09-24 | 1994-04-12 | Mitsubishi Motors Corp | Intake port structure of internal combustion engine for stratified combustion |
| JPH06108863A (en) * | 1992-09-25 | 1994-04-19 | Mitsubishi Motors Corp | Intake port structure of internal combustion engine |
| JP2008208808A (en) * | 2007-02-28 | 2008-09-11 | Japan Servo Co Ltd | Tube pump |
| JP2012500069A (en) * | 2008-08-21 | 2012-01-05 | フレゼニウス メディカル ケア ドイチュランド ゲゼルシャフト ミット ベシュレンクテル ハフトング | Method and apparatus for monitoring a peristaltic hose pump for directing fluid into piping |
| JP2012115613A (en) * | 2010-12-03 | 2012-06-21 | Ｊｕｎｋｅｎ Ｍｅｄｉｃａｌ株式会社 | Device for blood transfusion, infusion or hemocatharsis and method for detecting suction defect of pump in the same |
| WO2014061771A1 (en) * | 2012-10-19 | 2014-04-24 | 日機装株式会社 | Squeeze pump |
| JP2014101770A (en) * | 2012-11-16 | 2014-06-05 | Nikkiso Co Ltd | Drawing type pump |
| JP2014100200A (en) * | 2012-11-16 | 2014-06-05 | Nikkiso Co Ltd | Squeezing pump |
| WO2016208705A1 (en) * | 2015-06-24 | 2016-12-29 | 日機装株式会社 | Blood purifying device |
| US11406747B2 (en) | 2017-09-07 | 2022-08-09 | Nikkiso Company Limited | Extracorporeal circulation apparatus and method of discharging bubbles therefrom |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6263241B2 (en) * | 2016-08-26 | 2018-01-17 | 日機装株式会社 | Ironing type pump |
-
1990
- 1990-05-30 JP JP5780090U patent/JPH0628117Y2/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05321679A (en) * | 1992-03-27 | 1993-12-07 | Mitsubishi Motors Corp | Intake port structure for internal combustion engine |
| JPH06101485A (en) * | 1992-09-24 | 1994-04-12 | Mitsubishi Motors Corp | Intake port structure of internal combustion engine for stratified combustion |
| JPH06108863A (en) * | 1992-09-25 | 1994-04-19 | Mitsubishi Motors Corp | Intake port structure of internal combustion engine |
| JP2008208808A (en) * | 2007-02-28 | 2008-09-11 | Japan Servo Co Ltd | Tube pump |
| JP4549359B2 (en) * | 2007-02-28 | 2010-09-22 | 日本電産サーボ株式会社 | Tube pump |
| JP2012500069A (en) * | 2008-08-21 | 2012-01-05 | フレゼニウス メディカル ケア ドイチュランド ゲゼルシャフト ミット ベシュレンクテル ハフトング | Method and apparatus for monitoring a peristaltic hose pump for directing fluid into piping |
| JP2012115613A (en) * | 2010-12-03 | 2012-06-21 | Ｊｕｎｋｅｎ Ｍｅｄｉｃａｌ株式会社 | Device for blood transfusion, infusion or hemocatharsis and method for detecting suction defect of pump in the same |
| JP2014083091A (en) * | 2012-10-19 | 2014-05-12 | Nikkiso Co Ltd | Squeeze type pump |
| WO2014061771A1 (en) * | 2012-10-19 | 2014-04-24 | 日機装株式会社 | Squeeze pump |
| CN104736849A (en) * | 2012-10-19 | 2015-06-24 | 日机装株式会社 | Squeeze pump |
| CN104736849B (en) * | 2012-10-19 | 2016-10-05 | 日机装株式会社 | Extrusion pressing type pump |
| JP2014101770A (en) * | 2012-11-16 | 2014-06-05 | Nikkiso Co Ltd | Drawing type pump |
| JP2014100200A (en) * | 2012-11-16 | 2014-06-05 | Nikkiso Co Ltd | Squeezing pump |
| WO2016208705A1 (en) * | 2015-06-24 | 2016-12-29 | 日機装株式会社 | Blood purifying device |
| JPWO2016208705A1 (en) * | 2015-06-24 | 2018-04-12 | 日機装株式会社 | Blood purification equipment |
| US11406747B2 (en) | 2017-09-07 | 2022-08-09 | Nikkiso Company Limited | Extracorporeal circulation apparatus and method of discharging bubbles therefrom |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0628117Y2 (en) | 1994-08-03 |
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