JPH0479975U - - Google Patents

Info

Publication number
JPH0479975U
JPH0479975U JP12288690U JP12288690U JPH0479975U JP H0479975 U JPH0479975 U JP H0479975U JP 12288690 U JP12288690 U JP 12288690U JP 12288690 U JP12288690 U JP 12288690U JP H0479975 U JPH0479975 U JP H0479975U
Authority
JP
Japan
Prior art keywords
voltage
current
circuit
drive coil
reciprocating 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
Application number
JP12288690U
Other languages
Japanese (ja)
Other versions
JP2553638Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990122886U priority Critical patent/JP2553638Y2/en
Publication of JPH0479975U publication Critical patent/JPH0479975U/ja
Application granted granted Critical
Publication of JP2553638Y2 publication Critical patent/JP2553638Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Electromagnetic Pumps, Or The Like (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図：本考案に係る駆動装置の電気回路図、
第２図：同駆動装置における入力交流電圧対励磁
電流特性図、第３図：同駆動装置における励磁電
流の波形図、第４図：同駆動装置により駆動する
ポンプ本体の断面構成図、第５図：従来の技術に
係る駆動装置の電気回路図。 尚図面中、１……駆動装置、２……アーマチユ
ア、３……ポンプピストン、４……定電圧回路、
５……分圧回路、６……補正回路、Ｃ１……基本
回路、Ｃ２……電流制限回路、Ｄｔ……ツエナー
ダイオード、Ｌ……駆動コイル、Ｒｆ，Ｒｓ……
抵抗、Ｑｉ……電流制限トランジスタ、Ｑｃ……
制御トランジスタ。 Figure 1: Electrical circuit diagram of the drive device according to the present invention,
Figure 2: Characteristic diagram of input AC voltage versus excitation current in the drive device, Figure 3: Waveform diagram of excitation current in the drive device, Figure 4: Cross-sectional configuration diagram of the pump body driven by the drive device, Figure 5 Figure: Electrical circuit diagram of a drive device according to conventional technology. In the drawings, 1... drive device, 2... armature, 3... pump piston, 4... constant voltage circuit,
5... Voltage dividing circuit, 6... Correction circuit, C1... Basic circuit, C2... Current limiting circuit, Dt... Zener diode, L... Drive coil, Rf, Rs...
Resistor, Qi... Current limiting transistor, Qc...
control transistor.

Claims (1)

【実用新案登録請求の範囲】 (1) 交流電圧を半波整流して駆動コイルに供給
し、ポンプピストンに結合したアーマチユアを往
復動させる基本回路を有するとともに、駆動コイ
ルと直列に電流制限トランジスタを接続し、かつ
定電圧回路を構成するツエナーダイオードの端子
電圧により電流制限トランジスタのバイアス制御
電流を制御して、駆動コイルに流れる励磁電流を
制限する電流制限回路を備えてなる電磁往復動ポ
ンプの駆動装置において、駆動コイルの両端電圧
を分圧する分圧回路と、分圧回路から得る分圧電
圧をフイードバツクし、前記バイアス制御電流が
一定となるように補正する補正回路を備えること
を特徴とする電磁往復動ポンプの駆動装置。 (2) 分圧回路は直列接続した一対の抵抗を備え
ることを特徴とする請求項１記載の電磁往復動ポ
ンプの駆動装置。 (3) 補正回路はツエナーダイオードと電流制限
トランジスタ間に接続し、かつ前記分圧電圧によ
りバイアス電流が制御される制御トランジスタを
備えることを特徴とする請求項１記載の電磁往復
動ポンプの駆動装置。[Claims for Utility Model Registration] (1) A basic circuit that supplies half-wave rectified AC voltage to a drive coil and reciprocates an armature connected to a pump piston, and a current-limiting transistor in series with the drive coil. Driving an electromagnetic reciprocating pump comprising a current limiting circuit that controls the bias control current of a current limiting transistor by the terminal voltage of a Zener diode connected to the device and that constitutes a constant voltage circuit to limit the excitation current flowing through the drive coil. An electromagnetic device characterized in that the device includes a voltage divider circuit that divides the voltage across the drive coil, and a correction circuit that feeds back the divided voltage obtained from the voltage divider circuit and corrects the bias control current so that it is constant. Reciprocating pump drive device. (2) The electromagnetic reciprocating pump driving device according to claim 1, wherein the voltage dividing circuit includes a pair of resistors connected in series. (3) The driving device for an electromagnetic reciprocating pump according to claim 1, wherein the correction circuit includes a control transistor connected between a Zener diode and a current limiting transistor, and whose bias current is controlled by the divided voltage. .
JP1990122886U 1990-11-22 1990-11-22 Drive unit for electromagnetic reciprocating pump Expired - Fee Related JP2553638Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990122886U JP2553638Y2 (en) 1990-11-22 1990-11-22 Drive unit for electromagnetic reciprocating pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990122886U JP2553638Y2 (en) 1990-11-22 1990-11-22 Drive unit for electromagnetic reciprocating pump

Publications (2)

Publication Number Publication Date
JPH0479975U true JPH0479975U (en) 1992-07-13
JP2553638Y2 JP2553638Y2 (en) 1997-11-12

Family

ID=31870624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990122886U Expired - Fee Related JP2553638Y2 (en) 1990-11-22 1990-11-22 Drive unit for electromagnetic reciprocating pump

Country Status (1)

Country Link
JP (1) JP2553638Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007049583A1 (en) * 2005-10-28 2007-05-03 Nitto Kohki Co., Ltd. Magnetic reciprocating moving fluid device
JP2010001071A (en) * 2008-04-01 2010-01-07 Nestec Sa Beverage dispensing device and its method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57139676U (en) * 1981-02-25 1982-09-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57139676U (en) * 1981-02-25 1982-09-01

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007049583A1 (en) * 2005-10-28 2007-05-03 Nitto Kohki Co., Ltd. Magnetic reciprocating moving fluid device
JP2007120432A (en) * 2005-10-28 2007-05-17 Nitto Kohki Co Ltd Magnetic reciprocating fluid device
JP2010001071A (en) * 2008-04-01 2010-01-07 Nestec Sa Beverage dispensing device and its method

Also Published As

Publication number Publication date
JP2553638Y2 (en) 1997-11-12

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees