JPH0658452A - Digital control solenoid valve - Google Patents
Digital control solenoid valveInfo
- Publication number
- JPH0658452A JPH0658452A JP5196702A JP19670293A JPH0658452A JP H0658452 A JPH0658452 A JP H0658452A JP 5196702 A JP5196702 A JP 5196702A JP 19670293 A JP19670293 A JP 19670293A JP H0658452 A JPH0658452 A JP H0658452A
- Authority
- JP
- Japan
- Prior art keywords
- solenoid valve
- electromagnet
- limiting resistor
- transistor
- current limiting
- 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.)
- Withdrawn
Links
- 230000036316 preload Effects 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 8
- 239000012212 insulator Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0682—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid with an articulated or pivot armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
Abstract
Description
【０００１】本発明は、弁のディジタル制御のためにト
ランジスタを用い且つ弁部材を動かすようにコンデンサ
を放電することにより、低い吸収電力で効率的な作動を
行い、非常に小さい電力しか利用できないようなすべて
の場合に適用できるようにした新規のディジタル制御ソ
レノイド弁に関する。The invention uses a transistor for digital control of the valve and discharges the capacitor to move the valve member, resulting in efficient operation with low absorbed power so that very little power is available. The present invention relates to a novel digital control solenoid valve which can be applied to all cases.
【０００２】多種のディジタル制御ソレノイド弁が当分
野において既知である。A wide variety of digitally controlled solenoid valves are known in the art.
【０００３】１つの周知の形式のディジタル制御ソレノ
イド弁では、予負荷スプリングの作用によりノズルのオ
リフィスを閉じる弁部材は、電磁石の電機子に固定され
ており、電磁石のコイルは所要時にディジタル制御装置
により付勢される。In one known type of digitally controlled solenoid valve, the valve member closing the orifice of the nozzle by the action of a preload spring is fixed to the armature of the electromagnet, and the coil of the electromagnet is controlled by the digital controller when required. Be energized.
【０００４】しかし、このような周知のソレノイド弁
は、弁部材をノズルオリフィスから後退させるため前記
予負荷スプリングの作用を克服するのに相当の動力を必
要とするという欠点があり、この結果、この形式のソレ
ノイド弁は、本質的に安全な計装の場合さらには遠隔電
源操作の場合のように、小さい電力しか利用できない場
合には用いることができない。However, such known solenoid valves have the disadvantage that they require considerable power to overcome the action of the preload spring in order to retract the valve member from the nozzle orifice, which results in This type of solenoid valve cannot be used when only a small amount of power is available, as is the case with intrinsically safe instrumentation and even with remote power operation.
【０００５】この欠点は、作動のために相当高い電力を
常に必要とするすべての周知の形式のソレノイド弁にお
いて見られる。This drawback is found in all known types of solenoid valves, which always require considerably higher power to operate.
【０００６】本発明の目的は、作動のために非常に小さ
い電力しか必要としない超低電力吸収型のディジタル制
御ソレノイド弁を提供することにより、前述の欠点を排
除することにある。It is an object of the present invention to eliminate the aforementioned drawbacks by providing a digitally controlled solenoid valve of the ultra low power absorption type which requires very little power to operate.
【０００７】この目的は、電機子を引き付けそして弁部
材を予負荷スプリングに抗して動かして弁を開く際に必
要とする電力の大部分が、コンデンサの急速放電により
得られ、その結果電機子を引き付け位置に保つのに非常
に小さい電流そして非常に小さい電力しか必要としない
ことにより実質的に達成されており、ソレノイド弁の急
速閉作動は、前記予負荷スプリングの作用によるだけで
なく、適宜指向されたダイオードを介して電磁石のコイ
ルを短絡することによっても保証される。The purpose of this is to obtain the majority of the power required to pull the armature and move the valve member against the preload spring to open the valve, resulting in the rapid discharge of the capacitor so that the armature Is achieved substantially by requiring very little current and very little power to keep the solenoid in its attracted position, the rapid closing of the solenoid valve not only by the action of the preload spring but It is also ensured by shorting the coil of the electromagnet via the directed diode.
【０００８】従って、本発明は、ディジタル制御により
作動される固定電磁石の電機子に固定した弁部材と予負
荷スプリングを介して協働するノズルを備えているディ
ジタル制御ソレノイド弁において、前記電磁石のコイル
の２つの端部が直流電源装置の一方の極に第１の限流抵
抗器を介して、またpnpトランジスタのエミッタにそれ
ぞれ接続され、トランジスタがそのコレクタを前記電源
装置の他方の極に接続され、そのベースを第２の限流抵
抗器を介してディジタル制御装置に接続され、前記コイ
ルの２つの端部が前記電源装置の一方の極に向かって指
向されたダイオードを介して互いに接続され、コンデン
サが前記第１限流抵抗器と前記トランジスタのコレクタ
との間で接続されていることを特徴としている。Accordingly, the present invention provides a digitally controlled solenoid valve comprising a nozzle member cooperating with a valve member fixed to an armature of a fixed electromagnet operated by digital control via a preload spring, wherein the coil of the electromagnet is The two ends of which are respectively connected to one pole of the DC power supply through a first current limiting resistor and to the emitter of a pnp transistor, the transistor of which the collector is connected to the other pole of the power supply. , Its base is connected to a digital controller via a second current limiting resistor, the two ends of said coil being connected to each other via a diode directed towards one pole of said power supply, A capacitor is connected between the first current limiting resistor and the collector of the transistor.
【０００９】本発明の好適な実施例によると、前記弁部
材は釣合ったロッカレバーの一端部に固定され、ロッカ
レバーは弁本体に枢支され、前記電磁石の電機子として
作用する他端部を有している。According to a preferred embodiment of the invention, the valve member is fixed to one end of a balanced rocker lever, the rocker lever being pivotally supported on the valve body and having the other end acting as an armature of the electromagnet. is doing.
【００１０】このように、容易に達成される前記ロッカ
レバーの完全な釣合いは、ソレノイド弁が受ける軸線方
向の加速が、弁部材からの漏洩を招く結果となる角方向
移動をソレノイド弁の可動部品に生じさせることができ
ないようにしている。Thus, the perfect balance of the rocker lever that is easily achieved is such that the axial acceleration experienced by the solenoid valve causes angular movement in the moving parts of the solenoid valve that results in leakage from the valve member. I try not to make it happen.
【００１１】以下、本発明を一例としての好適な実施例
を示す添付図面を参照して詳細に説明するが、本発明の
範囲を逸脱することなくこの実施例に対し技術的あるい
は構造的修正をなし得るものである。例えば、給電極性
を逆にしなければならない場合には、pnpトランジスタ
の代りにnpnトランジスタを用いることができる。ま
た、前記ロッカレバーの支点は、単純なヒンジの代り
に、前記予負荷スプリングの機能をも果すように予負荷
状態で装着される１つ又はそれ以上の撓み可能な薄片で
形成することができる。The present invention will now be described in detail with reference to the accompanying drawings showing a preferred embodiment by way of example, but technical or structural modifications may be made to this embodiment without departing from the scope of the present invention. It can be done. For example, an npn transistor can be used instead of the pnp transistor when the power supply polarities must be reversed. Also, instead of a simple hinge, the fulcrum of the rocker lever may be formed of one or more deflectable flakes that are mounted in a preloaded state to also perform the function of the preload spring.
【００１２】図１において、符号１はソレノイド弁の本
体、符号２はノズルを示し、このノズルのオリフィス３
が入口４を出口５に連通する。前記オリフィス３は、弾
性シール要素７及びバランスウェイト８を設けた弁部材
６により閉じられ、この弁部材は予負荷スプリング９に
よりノズル２に対して押圧され、ロッカレバー１０の一
端部に固定されており、このロッカレバーは本体１にヒ
ンジ１１で枢支され、電磁石１２の電機子として作用す
る他端部１０′を有している。In FIG. 1, reference numeral 1 indicates a solenoid valve body, reference numeral 2 indicates a nozzle, and an orifice 3 of the nozzle.
Connects the inlet 4 to the outlet 5. The orifice 3 is closed by a valve member 6 provided with an elastic sealing element 7 and a balance weight 8 which is pressed against the nozzle 2 by a preload spring 9 and fixed to one end of a rocker lever 10. The rocker lever is pivotally supported on the main body 1 by a hinge 11 and has another end portion 10 ′ that acts as an armature of the electromagnet 12.
【００１３】前記電磁石１２のコイル１３の２つの端部
１４及び１５が絶縁体１６を通過して弁本体１内の室１
７に入り、図示しない直流電源装置の陽極１８に限流抵
抗器１９を介して、またpnpトランジスタ２１のエミッ
タ２０にそれぞれ接続されており、このトランジスタの
コレクタ２２が前記電源装置のアース極２３に接続され
ている。The two ends 14 and 15 of the coil 13 of the electromagnet 12 pass through the insulator 16 and pass through the chamber 1 in the valve body 1.
7 is connected to the anode 18 of the DC power supply (not shown) through the current limiting resistor 19 and to the emitter 20 of the pnp transistor 21, and the collector 22 of this transistor is connected to the earth pole 23 of the power supply. It is connected.
【００１４】コンデンサ２４が前記限流抵抗器１９の下
流側で電源装置に並列に接続され、前記トランジスタ２
１のベース２５が、極２７及び２３間で接続された図示
しないディジタル制御装置に限流抵抗器２６を介して接
続されている。A capacitor 24 is connected in parallel to the power supply device on the downstream side of the current limiting resistor 19, and the transistor 2
One base 25 is connected via a current limiting resistor 26 to a digital controller (not shown) connected between poles 27 and 23.
【００１５】最後に、前記コイル１３の２つの端部１４
及び１５は陽極１８に向けて指向されたダイオード２８
を介して互いに接続されている。Finally, the two ends 14 of the coil 13 are
And 15 are diodes 28 directed towards the anode 18.
Are connected to each other via.
【００１６】ソレノイド弁は以下のようにして作動す
る。The solenoid valve operates as follows.
【００１７】ソレノイド弁が開作動される時、ディジタ
ル信号が極２７に供給され、トランジスタ２１を飽和さ
せてコイル１３への電力回路を閉成し、それからコンデ
ンサ２４が放電して、電機子（ロッカレバーの端部１
０′）を引き付けそして弁部材６をノズル２から後退さ
せるのに必要な過剰電流を与える。前記電機子１０′が
電磁石１２に接触すると、電源装置により極１８及び２
３に供給されている小さい電流は、電機子と電磁石との
間の前記接触を維持するに十分である。When the solenoid valve is actuated open, a digital signal is applied to pole 27, saturating transistor 21 to close the power circuit to coil 13, and then capacitor 24 is discharged to the armature (rocker lever). End 1
0 ') and provide the excess current required to retract the valve member 6 from the nozzle 2. When the armature 10 'contacts the electromagnet 12, the power supply supplies the poles 18 and 2
The small current supplied to 3 is sufficient to maintain said contact between the armature and the electromagnet.
【００１８】トランジスタ２１を抑止するディジタル信
号が極２７に供給されると、コイル１３への前記電力回
路が開成され、その結果、電流がもはや流れなくなり、
スプリング９が弁部材６をノズル２に向けて動かしてソ
レノイド弁を閉じることができる。同時に、コンデンサ
２４が前記直流電源装置により再充電され、ダイオード
２８がコイル１３を短絡することにより、コイル内にい
まだ存在しているエネルギを消散させるのを速めるので
ある。When a digital signal which inhibits the transistor 21 is applied to the pole 27, the power circuit to the coil 13 is opened, so that no more current flows.
A spring 9 can move the valve member 6 towards the nozzle 2 to close the solenoid valve. At the same time, the capacitor 24 is recharged by the DC power supply and the diode 28 shorts the coil 13 to expedite the dissipation of energy still present in the coil.
【図１】本発明によるディジタル制御ソレノイド弁の縦
断面図である。FIG. 1 is a vertical cross-sectional view of a digital control solenoid valve according to the present invention.
１ 本体 ２ ノズル ３ オリフィス ４ 入口 ５ 出口 ６ 弁部材 ７ 弾性シール要素 ８ バランスウェイト ９ 予負荷スプリング １０ ロッカレバー １０′ 他端部 １１ ヒンジ １２ 電磁石 １３ コイル １４，１５ 端部 １６ 絶縁体 １７ 室 １８ 陽極 １９ 限流抵抗器 ２０ エミッタ ２１ pnpトランジスタ ２２ コレクタ ２３ アース極 ２４ コンデンサ ２５ ベース ２６ 限流抵抗器 ２７ 極 ２８ ダイオード 1 Main Body 2 Nozzle 3 Orifice 4 Inlet 5 Outlet 6 Valve Member 7 Elastic Seal Element 8 Balance Weight 9 Preload Spring 10 Rocker Lever 10 'Other End 11 Hinge 12 Electromagnet 13 Coil 14, 15 End 16 Insulator 17 Chamber 18 Anode 19 Current limiting resistor 20 Emitter 21 pnp transistor 22 Collector 23 Earth pole 24 Capacitor 25 Base 26 Current limiting resistor 27 pole 28 Diode
───────────────────────────────────────────────────── フロントページの続き (71)出願人 591004261 エニリチェルヘ・ソシエタ・ペル・アチオ ニ ＥＮＩＲＩＣＥＲＣＨＥ ＳＯＣＩＥＴＡ ＰＥＲ ＡＺＩＯＮＩ イタリー国ミラノ州サンドナトミラネーゼ 市ビア・エッフェ・マリターノ26 (72)発明者 ジョルジョ・ベルガミーニ イタリー国バーリ市ビア・チ・ロザルバ46 ／エッフェ (72)発明者 ベナンジョ・ミニッニ イタリー国バーリ市ビア・ピ・ラバナス99 ─────────────────────────────────────────────────── ─── Continuation of the front page (71) Applicant 591004261 ENICHIERCHE SOCIETA PER ACHINI ENIRICERCHE SOCIETA PER AZIONI Italy Italy, Sanatto Milanese City Via Effe Maritano 26 (72) Inventor Giorgio Bergami Italy City Bia Chi Rosalba 46 / Effe (72) Inventor Beninjo Minigni 99 Bia Pi Rabanas, Bari City, Italy
Claims (2)
石の電機子に固定した弁部材と予負荷スプリングを介し
て協働するノズルを備えているディジタル制御ソレノイ
ド弁において、前記電磁石のコイルの２つの端部が直流
電源装置の一方の極に第１の限流抵抗器を介して、また
pnpトランジスタのエミッタにそれぞれ接続され、トラ
ンジスタがそのコレクタを前記電源装置の他方の極に接
続され、そのベースを第２の限流抵抗器を介してディジ
タル制御装置に接続され、前記コイルの２つの端部が前
記電源装置の一方の極に向かって指向されたダイオード
を介して互いに接続され、コンデンサが前記第１限流抵
抗器と前記トランジスタのコレクタとの間で接続されて
いることを特徴とするディジタル制御ソレノイド弁。1. A digitally controlled solenoid valve comprising a nozzle member cooperating via a preload spring with a valve member fixed to an armature of a fixed electromagnet operated by digital control, the two ends of the coil of said electromagnet. Through a first current limiting resistor to one pole of the DC power supply,
Each of the two of the coils is connected to the emitter of a pnp transistor, the collector of which is connected to the other pole of the power supply and the base of which is connected to the digital controller via a second current limiting resistor. The ends are connected to each other via a diode directed towards one pole of the power supply and a capacitor is connected between the first current limiting resistor and the collector of the transistor. Digitally controlled solenoid valve.
弁において、前記弁部材が釣合ったロッカレバーの一端
部に固定され、ロッカレバーが弁本体に枢支され、前記
電磁石の電機子として作用する他端部を有することを特
徴とするディジタル制御ソレノイド弁。2. A digitally controlled solenoid valve as set forth in claim 1, wherein said valve member is fixed to one end of a balanced rocker lever, said rocker lever being pivotally supported on the valve body and acting as an armature of said electromagnet. A digitally controlled solenoid valve having a portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT92A001714 | 1992-07-15 | ||
| ITMI921714A IT1255342B (en) | 1992-07-15 | 1992-07-15 | DIGITAL CONTROL PERFECTED SOLENOID VALVE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0658452A true JPH0658452A (en) | 1994-03-01 |
Family
ID=11363673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5196702A Withdrawn JPH0658452A (en) | 1992-07-15 | 1993-07-15 | Digital control solenoid valve |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH0658452A (en) |
| DE (1) | DE4322840A1 (en) |
| FR (1) | FR2693785B1 (en) |
| GB (1) | GB2268833B (en) |
| IT (1) | IT1255342B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7226035B2 (en) | 2002-04-12 | 2007-06-05 | Seiko Epson Corporation | Valve device |
| WO2009084353A1 (en) * | 2007-12-28 | 2009-07-09 | Hosiden Corporation | Solenoid valve |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19622474C2 (en) * | 1996-06-05 | 1998-04-09 | Deutsch Zentr Luft & Raumfahrt | High speed actuator |
| GB2455569B (en) * | 2007-12-14 | 2010-02-17 | Renium Ltd | Electro-mechanical actuator |
| DE102009041853A1 (en) * | 2009-09-18 | 2011-03-24 | A. Kayser Automotive Systems Gmbh | Valve assembly, particularly for pressure regulation in interior of crankcase of internal combustion engine, comprises housing, sealing element, and drive for sealing element moving between opening position and closing position |
| FR3090185A1 (en) * | 2018-12-17 | 2020-06-19 | Valeo Systeme De Controle Moteur | ELECTROMECHANICAL DEVICE INCLUDING A NOISE MITIGATION SYSTEM |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3702680A1 (en) * | 1986-02-18 | 1987-10-29 | Bosch Gmbh Robert | METHOD AND CIRCUIT FOR CONTROLLING ELECTROMAGNETIC CONSUMERS |
| DE3619818A1 (en) * | 1986-06-12 | 1987-12-17 | Werner Maier | Magnetic valve system |
| DE3623908A1 (en) * | 1986-07-15 | 1988-01-21 | Spinner Gmbh Elektrotech | Control circuit for the magnet coil of an electromagnet |
| US4777556A (en) * | 1986-08-22 | 1988-10-11 | Datatrak | Solenoid activation circuitry using high voltage |
| DD281275A5 (en) * | 1989-04-05 | 1990-08-01 | Pentacon Dresden Veb | CIRCUIT ARRANGEMENT FOR OPERATING IMPULSE MAGNETS |
-
1992
- 1992-07-15 IT ITMI921714A patent/IT1255342B/en active IP Right Grant
-
1993
- 1993-06-30 GB GB9313537A patent/GB2268833B/en not_active Expired - Fee Related
- 1993-07-08 DE DE4322840A patent/DE4322840A1/en not_active Withdrawn
- 1993-07-13 FR FR9308613A patent/FR2693785B1/en not_active Expired - Fee Related
- 1993-07-15 JP JP5196702A patent/JPH0658452A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7226035B2 (en) | 2002-04-12 | 2007-06-05 | Seiko Epson Corporation | Valve device |
| WO2009084353A1 (en) * | 2007-12-28 | 2009-07-09 | Hosiden Corporation | Solenoid valve |
| JP5364592B2 (en) * | 2007-12-28 | 2013-12-11 | ホシデン株式会社 | Solenoid valve |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1255342B (en) | 1995-10-31 |
| DE4322840A1 (en) | 1994-01-20 |
| GB2268833A (en) | 1994-01-19 |
| FR2693785A1 (en) | 1994-01-21 |
| ITMI921714A1 (en) | 1994-01-15 |
| GB9313537D0 (en) | 1993-08-11 |
| FR2693785B1 (en) | 1995-07-13 |
| ITMI921714A0 (en) | 1992-07-15 |
| GB2268833B (en) | 1995-11-01 |
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Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20001003 |