JPH10202731A - Solenoid proportional valve control apparatus - Google Patents
Solenoid proportional valve control apparatusInfo
- Publication number
- JPH10202731A JPH10202731A JP9009222A JP922297A JPH10202731A JP H10202731 A JPH10202731 A JP H10202731A JP 9009222 A JP9009222 A JP 9009222A JP 922297 A JP922297 A JP 922297A JP H10202731 A JPH10202731 A JP H10202731A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- command value
- low
- current command
- current
- 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
Landscapes
- Magnetically Actuated Valves (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電磁比例弁制御装
置に関し、さらに詳しくは、電磁比例弁のコイル電流の
調整作業の手間を大幅に軽減することができる電磁比例
弁制御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electromagnetic proportional valve control device, and more particularly, to an electromagnetic proportional valve control device capable of greatly reducing the work of adjusting the coil current of the electromagnetic proportional valve.
【０００２】[0002]
【従来の技術】図７は、従来の電磁比例弁制御装置を含
む中空成形機の一例を示す構成図である。この中空成形
機５０００は、金型Ｋ内にパリソンＰｒを押し出すダイ
スＤｉおよび射出シリンダＳｈと、コアＣを上下してパ
リソンＰｒの肉厚を調整する肉厚調整装置Ａｓと、ダイ
スＤｉのアキュームレータＡｃに樹脂を供給する押出機
Ｅｘと、金型Ｋを開閉する型開閉シリンダＣｙと、前記
射出シリンダＳｈを駆動する低圧流量用電磁比例弁ＦＶ
１およびコイルＣLFと、前記型開閉シリンダＣｙを駆動
する低圧圧力用電磁比例弁ＰＶ１およびコイルＣLPなら
びに高圧圧力用電磁比例弁ＰＶ２およびコイルＣHPと、
指令値ＳLF，ＳLPおよびＳHPに応じたコイル電流ＩLF，
ＩLPおよびＩHPを前記コイルＣLF，ＣLPおよびＣHPに給
電する電磁比例弁制御装置５００とを具備している。2. Description of the Related Art FIG. 7 is a block diagram showing an example of a conventional blow molding machine including an electromagnetic proportional valve control device. The hollow molding machine 5000 includes a die Di and an injection cylinder Sh for extruding the parison Pr into the mold K, a thickness adjusting device As for moving the core C up and down to adjust the thickness of the parison Pr, and an accumulator Ac for the die Di. Extruder Ex for supplying resin to mold, mold opening / closing cylinder Cy for opening and closing mold K, and low pressure flow rate solenoid proportional valve FV for driving injection cylinder Sh
1 and a coil CLF, a low-pressure electromagnetic proportional valve PV1 and a coil CLP and a high-pressure electromagnetic proportional valve PV2 and a coil CHP for driving the mold opening / closing cylinder Cy;
The coil current ILF according to the command values SLF, SLP and SHP,
An electromagnetic proportional valve control device 500 for supplying ILP and IHP to the coils CLF, CLP and CHP is provided.
【０００３】図８は、前記電磁比例弁制御装置５００の
構成図である。この電磁比例弁制御装置５００は、速度
設定部ＷLFから与えられた低圧流量指令値ＳLFを低圧流
量指令値ＶLFに変換しそれによりコイル電流ＩLFを給電
する低圧流量指令値アンプ５０LFと、低圧圧力設定部Ｗ
LPから与えられた低圧圧力指令値ＳLPを低圧流量指令値
ＶLPに変換しそれによりコイル電流ＩLPを給電する低圧
圧力指令値アンプ５０LPと、高圧圧力設定部ＷHPから与
えられた低圧流量指令値ＳHPを低圧流量指令値ＶHPに変
換しそれによりコイル電流ＩHPを給電する低圧流量指令
値アンプ５０HPとを具備している。FIG. 8 is a block diagram of the electromagnetic proportional valve control device 500. The electromagnetic proportional valve control device 500 includes a low-pressure flow command value amplifier 50LF that converts the low-pressure flow command value SLF given from the speed setting unit WLF into a low-pressure flow command value VLF, thereby supplying the coil current ILF, and a low-pressure pressure setting. Department W
The low-pressure pressure command value SLP given from the LP is converted into the low-pressure flow command value VLP, thereby supplying the coil current ILP with the low-pressure pressure command value amplifier 50LP and the low-pressure flow command value SHP given from the high-pressure pressure setting unit WHP. It comprises a low-pressure flow command value amplifier 50HP which converts the low-pressure flow command value VHP into a low-pressure flow command value VHP and thereby supplies the coil current IHP.
【０００４】上記従来の電磁比例弁制御装置５００で
は、次のようにしてコイル電流の調整が行われる。 ａ．速度設定部ＷLFから低圧流量指令値ＳLF＝０％を低
圧流量指令値アンプ５０LFに与え、規定の最低コイル電
流値ＩLFmin が給電されるように最低電流調整ボリュー
ムＲｚLFを調整する。 ｂ．速度設定部ＷLFから低圧流量指令値ＳLF＝１００％
を低圧流量指令値アンプ５０LFに与え、規定の最大コイ
ル電流値ＩLFmax が給電されるように最大電流調整ボリ
ュームＲｓLFを調整する。 ｃ．最低電流調整ボリュームＲｚLFと最大電流調整ボリ
ュームＲｓLFとをほとんど変えなくてもよくなるまで上
記ステップａ，ｂを交互に繰り返す。In the conventional electromagnetic proportional valve control device 500, the coil current is adjusted as follows. a. The low pressure flow command value SLF = 0% is supplied from the speed setting unit WLF to the low pressure flow command value amplifier 50LF, and the minimum current adjustment volume RzLF is adjusted so that the specified minimum coil current value ILFmin is supplied. b. Low pressure flow rate command value SLF = 100% from speed setting section WLF
Is supplied to the low-pressure flow command value amplifier 50LF, and the maximum current adjustment volume RsLF is adjusted so that the specified maximum coil current value ILFmax is supplied. c. The steps a and b are alternately repeated until the minimum current adjustment volume RzLF and the maximum current adjustment volume RsLF need not be changed.
【０００５】ｄ．低圧圧力設定部ＷLPから低圧圧力指令
値ＳLP＝０％を低圧圧力指令値アンプ５０LPに与え、規
定の最低コイル電流値ＩLPmin が給電されるように最低
電流調整ボリュームＲｚLPを調整する。 ｅ．低圧圧力設定部ＷLPから低圧圧力指令値ＳLP＝１０
０％を低圧圧力指令値アンプ５０LPに与え、規定の最大
コイル電流値ＩLPmax が給電されるように最大電流調整
ボリュームＲｓLPを調整する。 ｆ．最低電流調整ボリュームＲｚLPと最大電流調整ボリ
ュームＲｓLPとをほとんど変えなくてもよくなるまで上
記ステップｄ，ｅを交互に繰り返す。D. The low pressure setting unit WLP supplies the low pressure command value SLP = 0% to the low pressure command value amplifier 50LP, and adjusts the minimum current adjustment volume RzLP so that the specified minimum coil current value ILPmin is supplied. e. Low pressure command value SLP = 10 from low pressure setting unit WLP
0% is supplied to the low pressure command value amplifier 50LP, and the maximum current adjustment volume RsLP is adjusted so that the specified maximum coil current value ILPmax is supplied. f. The steps d and e are alternately repeated until the minimum current adjustment volume RzLP and the maximum current adjustment volume RsLP do not need to be changed.
【０００６】ｇ．高圧圧力設定部ＷHPから高圧圧力指令
値ＳHP＝０％を高圧圧力指令値アンプ５０HPに与え、規
定の最低コイル電流値ＩHPmin が給電されるように最低
電流調整ボリュームＲｚHPを調整する。 ｈ．高圧圧力設定部ＷHPから高圧圧力指令値ＳHP＝１０
０％を高圧圧力指令値アンプ５０HPに与え、規定の最大
コイル電流値ＩHPmax が給電されるように最大電流調整
ボリュームＲｓHPを調整する。 ｉ．最低電流調整ボリュームＲｚHPと最大電流調整ボリ
ュームＲｓHPとをほとんど変えなくてもよくなるまで上
記ステップｇ，ｈを交互に繰り返す。G. The high pressure command value SHP = 0% is supplied from the high pressure setting unit WHP to the high pressure command amplifier 50HP, and the minimum current adjustment volume RzHP is adjusted so that the specified minimum coil current value IHPmin is supplied. h. High pressure command value SHP = 10 from high pressure setting section WHP
0% is given to the high pressure command value amplifier 50HP, and the maximum current adjustment volume RsHP is adjusted so that a specified maximum coil current value IHPmax is supplied. i. Steps g and h are alternately repeated until the minimum current adjustment volume RzHP and the maximum current adjustment volume RsHP need not be changed.
【０００７】[0007]
【発明が解決しようとする課題】従来の電磁比例弁制御
装置５００では、上記ステップａ，ｂの繰り返し、ｄ，
ｅの繰り返し及びｇ，ｈの繰り返しがあるため、コイル
電流の調整作業に非常に手間がかかり、段取時間が長く
なってしまう問題点があった。また、この調整作業に習
熟を要する問題点があった。換言すれば、操作者によっ
ては調整の精度が低くなり、成形品の品質に悪影響を与
える問題点があった。そこで、本発明の目的は、コイル
電流の調整作業の手間を大幅に軽減できると共に習熟者
でなくても精度の高い調整を行うことができる電磁比例
弁制御装置を提供することにある。In the conventional electromagnetic proportional valve control device 500, the above steps a and b are repeated, and
Because of the repetition of e and the repetition of g and h, there was a problem that the work of adjusting the coil current was extremely troublesome and the setup time was lengthened. In addition, there is a problem that the adjustment work requires skill. In other words, there is a problem that the accuracy of the adjustment is lowered depending on the operator, which adversely affects the quality of the molded product. SUMMARY OF THE INVENTION An object of the present invention is to provide an electromagnetic proportional valve control device that can greatly reduce the time and labor required for adjusting a coil current and can perform highly accurate adjustment without requiring a skilled person.
【０００８】[0008]
【課題を解決するための手段】第１の観点では、本発明
は、低圧流量指令値ＳLFを低圧流量電流指令値ＶLFに換
算して電磁比例弁の低圧流量用コイル（ＣLF）へと出力
する電磁比例弁制御装置（１００）において、適当な低
圧流量電流指令値ＶLFｓを前記低圧流量用コイル（ＣL
F）へと出力し、その時のコイル電流値ＩLFｓを取得
し、コイル電流値／低圧流量電流指令値換算式ＶLF(ＩL
F)を求め、そのコイル電流値／低圧流量電流指令値換算
式ＶLF(ＩLF)を用いて低圧流量指令値ＳLF＝０％のコイ
ル電流値ＩLFmin に対応する低圧流量電流指令値ＶLFmi
n を求めると共に低圧流量指令値ＳLF＝１００％のコイ
ル電流値ＩLFmax に対応する低圧流量電流指令値ＶLFma
x を求め、前記低圧流量電流指令値ＶLFmin と前記低圧
流量電流指令値ＶLFmax から低圧流量指令値／低圧流量
電流指令値換算式ＶLF(ＳLF)を求め、その低圧流量指令
値／低圧流量電流指令値換算式ＶLF(ＳLF)を用いて低圧
流量指令値ＳLFを低圧流量電流指令値ＶLFに換算する低
圧流量指令値／低圧流量電流指令値換算部（２）を具備
したことを特徴とする電磁比例弁制御装置（１００）を
提供する。なお、上記構成中の「コイル電流値／低圧流
量電流指令値換算式」は、「コイル電流値」を「低圧流
量電流指令値」に換算することを意味し、「コイル電流
値」を「低圧流量電流指令値」で除算することを意味す
るものではない。他の「低圧流量指令値／低圧流量電流
指令値換算式」なども同様である。上記第１の観点によ
る電磁比例弁制御装置（１００）では、操作者は、規定
のコイル電流値を設定し、調整開始の指示を与えるだけ
なので、操作に習熟を全く要さない（これに対し、従来
の最低電流調整ボリュームＲｚLFと最大電流調整ボリュ
ームＲｓLFでは、各設定値が相互に影響しあうため、交
互に繰り返す必要があり、多いと１０回位の設定操作が
必要になる。また、操作に習熟を要する）。よって、低
圧流量用電磁比例弁のコイル電流の調整作業の手間を大
幅に軽減できると共に習熟者でなくても精度の高い調整
を行うことができる。In a first aspect, the present invention converts a low-pressure flow command value SLF into a low-pressure flow current command value VLF and outputs it to a low-pressure flow coil (CLF) of an electromagnetic proportional valve. In the electromagnetic proportional valve control device (100), an appropriate low pressure flow rate current command value VLFs is set to the low pressure flow rate coil (CL).
F), the coil current value ILFs at that time is obtained, and the coil current value / low pressure flow current command value conversion formula VLF (IL
F), and using the coil current value / low pressure flow current command value conversion formula VLF (ILF), the low pressure flow current command value VLFmi corresponding to the coil current value ILFmin of the low pressure flow command value SLF = 0%.
n and the low-pressure flow command value VLFma corresponding to the low-pressure flow command value SLF = 100% of the coil current value ILFmax.
x, a low-pressure flow command value / low-pressure flow current command value conversion formula VLF (SLF) is obtained from the low-pressure flow current command value VLFmin and the low-pressure flow current command value VLFmax, and the low-pressure flow command value / low-pressure flow current command value is obtained. An electromagnetic proportional valve comprising a low-pressure flow command value / low-pressure flow current command value conversion unit (2) for converting the low-pressure flow command value SLF into a low-pressure flow current command value VLF by using a conversion formula VLF (SLF). A control device (100) is provided. The “coil current value / low pressure flow current command value conversion formula” in the above configuration means that the “coil current value” is converted into the “low pressure flow current command value”, and the “coil current value” is converted to the “low pressure flow current command value”. It does not mean to divide by "flow current command value". The same applies to other “low-pressure flow command value / low-pressure flow current command value conversion formula” and the like. In the electromagnetic proportional valve control device (100) according to the first aspect, since the operator only sets the specified coil current value and gives an instruction to start the adjustment, no skill is required for the operation (in contrast to this). In the conventional minimum current adjustment volume RzLF and conventional maximum current adjustment volume RsLF, since the respective set values influence each other, they need to be repeated alternately, and if the set values are large, the setting operation needs to be performed about ten times. Requires proficiency). Therefore, the work of adjusting the coil current of the low-pressure electromagnetic proportional valve can be greatly reduced, and highly accurate adjustment can be performed even by a non-expert.
【０００９】第２の観点では、本発明は、上記構成の電
磁比例弁制御装置（１００）において、前記低圧流量電
流指令値ＶLFmin および前記低圧流量電流指令値ＶLFma
x の数値を入力するための数値ボタン（１１）と、前記
数値の入力後に低圧流量指令値／低圧流量電流指令値換
算式ＶLF(ＳLF)を自動的に求めることを指示する開始ボ
タン（１２LF）とを含むタッチパネル（１０）を具備し
たことを特徴とする電磁比例弁制御装置（１００）を提
供する。上記第２の観点による電磁比例弁制御装置（１
００）では、低圧流量指令値ＳLF＝０％のコイル電流値
ＩLFmin と低圧流量指令値ＳLF＝１００％のコイル電流
値ＩLFmax とを数値ボタン（１１）で入力し、次いで開
始ボタン（１２LF）を押せば、自動的に調整が行われ
る。このため、操作が簡単になり、習熟者でなくても低
圧流量用電磁比例弁のコイル電流の調整を行うことが出
来る。According to a second aspect, the present invention relates to an electromagnetic proportional valve control device (100) having the above-described structure, wherein the low-pressure flow current command value VLFmin and the low-pressure flow current command value VLFma are provided.
a numeric button (11) for inputting a numerical value of x, and a start button (12LF) for instructing to automatically obtain a low-pressure flow command value / low-pressure flow current command value conversion formula VLF (SLF) after inputting the numerical value. And an electromagnetic proportional valve control device (100) provided with a touch panel (10) including: The electromagnetic proportional valve control device according to the second aspect (1)
00), input the coil current value ILFmin of the low pressure flow command value SLF = 0% and the coil current value ILFmax of the low pressure flow command value SLF = 100% with the numerical buttons (11), and then press the start button (12LF). If so, the adjustment is made automatically. For this reason, the operation becomes simple, and the coil current of the low-pressure flow proportional solenoid valve can be adjusted without a skilled person.
【００１０】第３の観点では、本発明は、低圧圧力指令
値ＳLPを低圧圧力電流指令値ＶLPに換算して電磁比例弁
の低圧圧力コイル（ＣLP）へと出力する電磁比例弁制御
装置（１００）において、適当な低圧圧力電流指令値Ｖ
LPｓを前記低圧圧力コイル（ＣLP）へと出力し、その時
の低圧圧力コイル電流値ＩLPｓを取得し、コイル電流値
／低圧圧力電流指令値換算式ＶLP(ＩLP)を求め、そのコ
イル電流値／低圧圧力電流指令値換算式ＶLP(ＩLP)を用
いて低圧圧力指令値ＳLP＝０％のコイル電流値ＩLPmin
に対応する低圧圧力電流指令値ＶLPmin を求めると共に
低圧圧力指令値ＳLP＝１００％のコイル電流値ＩLPmax
に対応する低圧圧力電流指令値ＶLPmaxを求め、前記低
圧圧力電流指令値ＶLPmin と低圧圧力電流指令値ＶLPma
x から低圧圧力指令値／低圧圧力電流指令値換算式ＶLP
(ＳLP)を求め、その低圧圧力指令値／低圧圧力電流指令
値換算式ＶLP(ＳLP)を用いて低圧圧力指令値ＳLPを低圧
圧力電流指令値ＶLPに換算する低圧圧力指令値／低圧圧
力電流指令値換算部（５）を具備したことを特徴とする
電磁比例弁制御装置（１００）を提供する。上記第３の
観点による電磁比例弁制御装置（１００）では、操作者
は、規定のコイル電流値を設定し、調整開始の指示を与
えるだけなので、操作に習熟を全く要さない（これに対
し、従来の最低電流調整ボリュームＲｚLPと最大電流調
整ボリュームＲｓLPでは、各設定値が相互に影響しあう
ため、交互に繰り返す必要があり、多いと１０回位の設
定操作が必要になる。また、操作に習熟を要する）。よ
って、低圧圧力用電磁比例弁のコイル電流の調整作業の
手間を大幅に軽減できると共に習熟者でなくても精度の
高い調整を行うことができる。In a third aspect, the present invention relates to an electromagnetic proportional valve control device (100) which converts a low pressure command value SLP into a low pressure current command value VLP and outputs it to a low pressure coil (CLP) of an electromagnetic proportional valve. )), An appropriate low pressure current command value V
LPs is output to the low-pressure pressure coil (CLP), the low-pressure pressure coil current value ILPs at that time is obtained, a coil current value / low-pressure pressure current command value conversion formula VLP (ILP) is obtained, and the coil current value / low pressure Coil current value ILPmin of low pressure command value SLP = 0% using pressure current command value conversion formula VLP (ILP)
And the coil current value ILPmax at the low pressure command value SLP = 100%.
The low pressure current command value VLPmax corresponding to the low pressure current command value VLPmin and the low pressure current command value VLPma
x from low pressure command value / low pressure current command value conversion formula VLP
(SLP) is calculated, and the low pressure command value SLP is converted to the low pressure current command value VLP using the low pressure command value / low pressure current command conversion formula VLP (SLP). An electromagnetic proportional valve control device (100) comprising a value conversion unit (5) is provided. In the electromagnetic proportional valve control device (100) according to the third aspect, since the operator only sets the specified coil current value and gives an instruction to start adjustment, no skill is required for the operation (in contrast to this). In the conventional minimum current adjustment volume RzLP and the conventional maximum current adjustment volume RsLP, since the respective set values influence each other, they need to be repeated alternately, and if they are large, a setting operation of about ten times is required. Requires proficiency). Therefore, the labor for adjusting the coil current of the low-pressure electromagnetic proportional valve can be greatly reduced, and highly accurate adjustment can be performed even by a non-expert.
【００１１】第４の観点では、本発明は、上記構成の電
磁比例弁制御装置（１００）において、前記低圧圧力電
流指令値ＶLPmin および前記低圧圧力電流指令値ＶLPma
x の数値を入力するための数値ボタン（１１）と、前記
数値の入力後に低圧圧力指令値／低圧圧力電流指令値換
算式ＶLP(ＳLP)を自動的に求めることを指示する開始ボ
タン（１２LP）とを含むタッチパネル（１０）を具備し
たことを特徴とする電磁比例弁制御装置（１００）を提
供する。上記第４の観点による電磁比例弁制御装置（１
００）では、低圧圧力指令値ＳLP＝０％のコイル電流値
ＩLPmin と低圧圧力指令値ＳLP＝１００％のコイル電流
値ＩLPmax とを数値ボタン（１１）で入力し、次いで開
始ボタン（１２LP）を押せば、自動的に調整が行われ
る。このため、操作が簡単になり、習熟者でなくても低
圧圧力用電磁比例弁のコイル電流の調整を行うことが出
来る。According to a fourth aspect of the present invention, there is provided an electromagnetic proportional valve control device (100) having the above-described configuration, wherein the low-pressure pressure current command value VLPmin and the low-pressure pressure current command value VLPma
a numeric button (11) for inputting a numerical value of x, and a start button (12LP) for instructing to automatically obtain a low pressure command value / low pressure pressure current command value conversion formula VLP (SLP) after inputting the numerical value. And an electromagnetic proportional valve control device (100) provided with a touch panel (10) including: The electromagnetic proportional valve control device according to the fourth aspect (1)
00), input the low-pressure command value SLP = 0% coil current value ILPmin and the low-pressure pressure command value SLP = 100% coil current value ILPmax with the numerical buttons (11), and then press the start button (12LP). If so, the adjustment is made automatically. Therefore, the operation is simplified, and the coil current of the low pressure electromagnetic proportional valve can be adjusted even by a non-expert.
【００１２】第５の観点では、本発明は、高圧圧力指令
値ＳHPを高圧圧力電流指令値ＶHPに換算して電磁比例弁
の高圧圧力コイル（ＣHP）へと出力する電磁比例弁制御
装置（１００）において、適当な高圧圧力電流指令値Ｖ
HPｓを前記高圧圧力コイル（ＣHP）へと出力し、その時
の高圧圧力コイル電流値ＩHPｓを取得し、コイル電流値
／高圧圧力電流指令値換算式ＶHP(ＩHP)を求め、そのコ
イル電流値／高圧圧力電流指令値換算式ＶHP(ＩHP)を用
いて高圧圧力指令値ＳHP＝０％のコイル電流値ＩHPmin
に対応する高圧圧力電流指令値ＶHPmin を求めると共に
高圧圧力指令値ＳHP＝１００％のコイル電流値ＩHPmax
に対応する高圧圧力電流指令値ＶHPmaxを求め、前記高
圧圧力電流指令値ＶHPmin と高圧圧力電流指令値ＶHPma
x から高圧圧力指令値／高圧圧力電流指令値換算式ＶHP
(ＳHP)を求め、その高圧圧力指令値／高圧圧力電流指令
値換算式ＶHP(ＳHP)を用いて高圧圧力指令値ＳHPを高圧
圧力電流指令値ＶHPに換算する高圧圧力指令値／高圧圧
力電流指令値換算部（２）を具備したことを特徴とする
電磁比例弁制御装置（１００）を提供する。上記第５の
観点による電磁比例弁制御装置（１００）では、操作者
は、規定のコイル電流値を設定し、調整開始の指示を与
えるだけなので、操作に習熟を全く要さない（これに対
し、従来の最低電流調整ボリュームＲｚHPと最大電流調
整ボリュームＲｓHPでは、各設定値が相互に影響しあう
ため、交互に繰り返す必要があり、多いと１０回位の設
定操作が必要になる。また、操作に習熟を要する）。よ
って、高圧圧力用電磁比例弁のコイル電流の調整作業の
手間を大幅に軽減できると共に習熟者でなくても精度の
高い調整を行うことができる。In a fifth aspect, the present invention provides an electromagnetic proportional valve control device (100) which converts a high pressure command value SHP into a high pressure current command value VHP and outputs it to a high pressure coil (CHP) of an electromagnetic proportional valve. )), An appropriate high pressure current command value V
HPs is output to the high-pressure pressure coil (CHP), the high-pressure pressure coil current value IHPs at that time is obtained, a coil current value / high-pressure pressure current command value conversion formula VHP (IHP) is obtained, and the coil current value / high pressure Coil current value IHPmin of high pressure command value SHP = 0% using pressure current command value conversion formula VHP (IHP)
And the high-pressure command value SHP = 100% of the coil current value IHPmax.
The high pressure current command value VHPmax corresponding to the high pressure current command value VHPmax and the high pressure current command value VHPma
High pressure command value / high pressure current command value conversion formula VHP from x
(SHP) is calculated, and the high-pressure pressure command value SHP is converted into the high-pressure pressure current command value VHP using the high-pressure pressure command value / high-pressure pressure current command value conversion formula VHP (SHP). An electromagnetic proportional valve control device (100) comprising a value conversion unit (2) is provided. In the electromagnetic proportional valve control device (100) according to the fifth aspect, since the operator only sets the specified coil current value and gives an instruction to start the adjustment, no skill is required for the operation (in contrast to this). In the conventional minimum current adjustment volume RzHP and the maximum current adjustment volume RsHP, since the respective set values influence each other, they need to be repeated alternately, and if they are large, the setting operation needs to be performed about ten times. Requires proficiency). Therefore, the work of adjusting the coil current of the high-pressure electromagnetic proportional valve can be greatly reduced, and highly accurate adjustment can be performed even by a non-expert.
【００１３】第６の観点では、本発明は、上記構成の電
磁比例弁制御装置（１００）において、前記高圧圧力電
流指令値ＶHPmin および前記高圧圧力電流指令値ＶHPma
x の数値を入力するための数値ボタン（１１）と、前記
数値の入力後に高圧圧力指令値／高圧圧力電流指令値換
算式ＶHP(ＳHP)を自動的に求めることを指示する開始ボ
タン（１２HP）とを含むタッチパネル（１０）を具備し
たことを特徴とする電磁比例弁制御装置（１００）を提
供する。上記第６の観点による電磁比例弁制御装置（１
００）では、高圧圧力指令値ＳHP＝０％のコイル電流値
ＩHPmin と高圧圧力指令値ＳHP＝１００％のコイル電流
値ＩHPmax とを数値ボタン（１１）で入力し、次いで開
始ボタン（１２HP）を押せば、自動的に調整が行われ
る。このため、操作が簡単になり、習熟者でなくても高
圧圧力用電磁比例弁のコイル電流の調整を行うことが出
来る。According to a sixth aspect of the present invention, there is provided an electromagnetic proportional valve control device (100) having the above-described structure, wherein the high-pressure pressure current command value VHPmin and the high-pressure pressure current command value VHPma
a numeric button (11) for inputting a numerical value of x, and a start button (12HP) for instructing to automatically obtain a high pressure command value / high pressure current command value conversion formula VHP (SHP) after inputting the numerical value. And an electromagnetic proportional valve control device (100) provided with a touch panel (10) including: The electromagnetic proportional valve control device according to the sixth aspect (1)
00), input the high-pressure command value SHP = 0% of the coil current value IHPmin and the high-pressure pressure command value SHP = 100% of the coil current value IHPmax with the numerical buttons (11), and then press the start button (12HP). If so, the adjustment is made automatically. For this reason, the operation is simplified, and the coil current of the high pressure electromagnetic proportional valve can be adjusted even by a non-expert.
【００１４】[0014]
【発明の実施の形態】以下、図に示す発明の実施の形態
により本発明をさらに詳細に説明する。なお、これによ
り本発明が限定されるものではない。図１は、本発明の
一実施形態にかかる電磁比例弁制御装置を含む中空成形
機を示す構成図である。この中空成形機１０００は、金
型Ｋ内にパリソンＰｒを押し出すダイスＤｉおよび射出
シリンダＳｈと、コアＣを上下してパリソンＰｒの肉厚
を調整する肉厚調整装置Ａｓと、ダイスＤｉのアキュー
ムレータＡｃに樹脂を供給する押出機Ｅｘと、金型Ｋを
開閉する型開閉シリンダＣｙと、前記射出シリンダＳｈ
を駆動する低圧流量用電磁比例弁ＦＶ１およびコイルＣ
LFと、前記型開閉シリンダＣｙを駆動する低圧圧力用電
磁比例弁ＰＶ１およびコイルＣLPならびに高圧圧力用電
磁比例弁ＰＶ２およびコイルＣHPと、指令値ＳLF，ＳLP
およびＳHPに応じたコイル電流ＩLF，ＩLPおよびＩHPを
前記コイルＣLF，ＣLPおよびＣHPに給電する電磁比例弁
制御装置１００とを具備している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to the embodiments of the invention shown in the drawings. Note that the present invention is not limited by this. FIG. 1 is a configuration diagram showing a blow molding machine including an electromagnetic proportional valve control device according to one embodiment of the present invention. The hollow molding machine 1000 includes a die Di and an injection cylinder Sh for pushing the parison Pr into the mold K, a thickness adjusting device As for adjusting the thickness of the parison Pr by moving the core C up and down, and an accumulator Ac for the die Di. Extruder Ex for supplying resin to the mold, mold opening / closing cylinder Cy for opening / closing mold K, and injection cylinder Sh
Solenoid valve FV1 and coil C for low pressure flow for driving
LF, the low pressure solenoid proportional valve PV1 and coil CLP and the high pressure solenoid proportional valve PV2 and coil HPP for driving the mold opening / closing cylinder Cy, and command values SLF and SLP.
And an electromagnetic proportional valve control device 100 for supplying coil currents ILF, ILP and IHP corresponding to SHP and SHP to the coils CLF, CLP and CHP.
【００１５】図２は、本発明の一実施形態にかかる前記
電磁比例弁制御装置１００の構成図である。この電磁比
例弁制御装置１００は、Ａ／Ｄ変換器１と、低圧流量指
令値／低圧流量電流指令値換算部２と、電流監視部３と
を具備している。前記Ａ／Ｄ変換器１は、速度設定部Ｗ
LFから与えられた低圧流量指令値ＳLFをを取り込み、前
記低圧流量指令値／低圧流量電流指令値換算部２に渡
す。前記低圧流量指令値／低圧流量電流指令値換算部２
は、適当な低圧流量電流指令値ＶLFｓを出力し、その時
のコイル電流値ＩLFｓを取得し、コイル電流値／低圧流
量電流指令値換算式ＶLF(ＩLF)を求める。次に、そのコ
イル電流値／低圧流量電流指令値換算式ＶLF(ＩLF)を用
いて、低圧流量指令値ＳLF＝０％のコイル電流値ＩLFmi
n に対応する低圧流量電流指令値ＶLFmin を求めると共
に、低圧流量指令値ＳLF＝１００％のコイル電流値ＩLF
max に対応する低圧流量電流指令値ＶLFmax を求める。
次に、前記低圧流量電流指令値ＶLFmin と前記低圧流量
電流指令値ＶLFmax から低圧流量指令値／低圧流量電流
指令値換算式ＶLF(ＳLF)を求める。そして、その低圧流
量指令値／低圧流量電流指令値換算式ＶLF(ＳLF)を用い
て低圧流量指令値ＳLFを低圧流量電流指令値ＶLFに換算
し、出力する。前記電流監視部３は、コイル電流値ＩLF
を監視し、過大なコイル電流になった時は警報信号を出
力する。FIG. 2 is a configuration diagram of the electromagnetic proportional valve control device 100 according to one embodiment of the present invention. The electromagnetic proportional valve control device 100 includes an A / D converter 1, a low-pressure flow command value / low-pressure flow current command value conversion unit 2, and a current monitoring unit 3. The A / D converter 1 includes a speed setting unit W
The low pressure flow command value SLF given from the LF is taken in and passed to the low pressure flow command value / low pressure flow current command value conversion unit 2. The low pressure flow command value / low pressure flow current command value conversion unit 2
Outputs an appropriate low-pressure flow current command value VLFs, obtains the coil current value ILFs at that time, and obtains a coil current value / low-pressure flow current command value conversion formula VLF (ILF). Next, using the coil current value / low pressure flow rate current command value conversion formula VLF (ILF), the coil current value ILFmi of the low pressure flow rate command value SLF = 0%
n and the coil current value ILF of the low pressure flow command value SLF = 100%.
The low-pressure flow current command value VLFmax corresponding to max is obtained.
Next, a low pressure flow command value / low pressure flow current command value conversion formula VLF (SLF) is obtained from the low pressure flow current command value VLFmin and the low pressure flow current command value VLFmax. Then, the low pressure flow command value SLF is converted into a low pressure flow current command value VLF using the low pressure flow command value / low pressure flow current command value conversion formula VLF (SLF), and is output. The current monitoring unit 3 has a coil current value ILF
And outputs an alarm signal when the coil current becomes excessive.
【００１６】また、前記電磁比例弁制御装置１００は、
Ａ／Ｄ変換器４と、低圧圧力指令値／低圧圧力電流指令
値換算部５と、電流監視部６とを具備している。前記Ａ
／Ｄ変換器４は、速度設定部ＷLPから与えられた低圧圧
力指令値ＳLPをを取り込み、前記低圧圧力指令値／低圧
圧力電流指令値換算部５に渡す。前記低圧圧力指令値／
低圧圧力電流指令値換算部５は、適当な低圧圧力電流指
令値ＶLPｓを出力し、その時のコイル電流値ＩLPｓを取
得し、コイル電流値／低圧圧力電流指令値換算式ＶLP
(ＩLP)を求める。次に、そのコイル電流値／低圧圧力電
流指令値換算式ＶLP(ＩLP)を用いて、低圧圧力指令値Ｓ
LP＝０％のコイル電流値ＩLPmin に対応する低圧圧力電
流指令値ＶLPmin を求めると共に、低圧圧力指令値ＳLP
＝１００％のコイル電流値ＩLPmax に対応する低圧圧力
電流指令値ＶLPmax を求める。次に、前記低圧圧力電流
指令値ＶLPmin と前記低圧圧力電流指令値ＶLPmax から
低圧圧力指令値／低圧圧力電流指令値換算式ＶLP(ＳLP)
を求める。そして、その低圧圧力指令値／低圧圧力電流
指令値換算式ＶLP(ＳLP)を用いて低圧圧力指令値ＳLPを
低圧圧力電流指令値ＶLPに換算し、出力する。前記電流
監視部６は、コイル電流値ＩLPを監視し、過大なコイル
電流になった時は警報信号を出力する。Further, the electromagnetic proportional valve control device 100 includes:
An A / D converter 4, a low pressure command value / low pressure current command value conversion unit 5, and a current monitoring unit 6 are provided. Said A
The / D converter 4 takes in the low pressure command value SLP given from the speed setting unit WLP, and passes it to the low pressure command value / low pressure current command value conversion unit 5. The low pressure command value /
The low pressure pressure current command value conversion unit 5 outputs an appropriate low pressure pressure current command value VLPs, obtains the coil current value ILPs at that time, and obtains a coil current value / low pressure pressure current command value conversion formula VLP.
(ILP). Next, using the coil current value / low pressure pressure current command value conversion formula VLP (ILP), the low pressure command value S
A low-pressure pressure current command value VLPmin corresponding to a coil current value ILPmin of LP = 0% is obtained, and a low-pressure pressure command value SLP is obtained.
= Low pressure current command value VLPmax corresponding to 100% coil current value ILPmax. Next, the low-pressure pressure command value / low-pressure pressure current command value conversion formula VLP (SLP) is calculated from the low-pressure pressure current command value VLPmin and the low-pressure pressure current command value VLPmax.
Ask for. Then, the low pressure command value SLP is converted into the low pressure current command value VLP by using the low pressure command value / low pressure current command conversion formula VLP (SLP), and is output. The current monitoring section 6 monitors the coil current value ILP, and outputs an alarm signal when the coil current becomes excessive.
【００１７】また、前記電磁比例弁制御装置１００は、
Ａ／Ｄ変換器７と、高圧圧力指令値／高圧圧力電流指令
値換算部８と、電流監視部９とを具備している。前記Ａ
／Ｄ変換器７は、速度設定部ＷHPから与えられた高圧圧
力指令値ＳHPをを取り込み、前記高圧圧力指令値／高圧
圧力電流指令値換算部８に渡す。前記高圧圧力指令値／
高圧圧力電流指令値換算部８は、適当な高圧圧力電流指
令値ＶHPｓを出力し、その時のコイル電流値ＩHPｓを取
得し、コイル電流値／高圧圧力電流指令値換算式ＶHP
(ＩHP)を求める。次に、そのコイル電流値／高圧圧力電
流指令値換算式ＶHP(ＩHP)を用いて、高圧圧力指令値Ｓ
HP＝０％のコイル電流値ＩHPmin に対応する高圧圧力電
流指令値ＶHPmin を求めると共に、高圧圧力指令値ＳHP
＝１００％のコイル電流値ＩHPmax に対応する高圧圧力
電流指令値ＶHPmax を求める。次に、前記高圧圧力電流
指令値ＶHPmin と前記高圧圧力電流指令値ＶHPmax から
高圧圧力指令値／高圧圧力電流指令値換算式ＶHP(ＳHP)
を求める。そして、その高圧圧力指令値／高圧圧力電流
指令値換算式ＶHP(ＳHP)を用いて高圧圧力指令値ＳHPを
高圧圧力電流指令値ＶHPに換算し、出力する。前記電流
監視部９は、コイル電流値ＩHPを監視し、過大なコイル
電流になった時は警報信号を出力する。The electromagnetic proportional valve control device 100 includes:
An A / D converter 7, a high pressure command value / high pressure current command value conversion unit 8, and a current monitoring unit 9 are provided. Said A
The / D converter 7 takes in the high pressure command value SHP given from the speed setting section WHP, and passes it to the high pressure command value / high pressure current command value conversion section 8. The high pressure command value /
The high pressure pressure current command value conversion unit 8 outputs an appropriate high pressure pressure current command value VHPs, obtains the coil current value IHPs at that time, and obtains a coil current value / high pressure pressure current command value conversion formula VHP.
(IHP). Then, using the coil current value / high pressure pressure current command value conversion formula VHP (IHP), the high pressure command value S
A high-pressure pressure command value VHPmin corresponding to the coil current value IHPmin of HP = 0% is obtained, and a high-pressure pressure command value SHP is obtained.
= High pressure current command value VHPmax corresponding to 100% coil current value IHPmax. Next, from the high pressure current command value VHPmin and the high pressure current command value VHPmax, a high pressure command value / high pressure current command conversion formula VHP (SHP)
Ask for. Then, the high pressure command value SHP is converted into the high pressure current command value VHP by using the high pressure command value / high pressure current command value conversion formula VHP (SHP) and output. The current monitoring unit 9 monitors the coil current value IHP, and outputs an alarm signal when the coil current value becomes excessive.
【００１８】さらに、前記電磁比例弁制御装置１００
は、タッチパネル１０と、警報器２０とを具備してい
る。前記タッチパネル１０は、図３に示すように、数値
ボタン１１と、開始ボタン１２LF，１２LPおよび１２HP
とを含んだ比例弁調整画面を有している。前記警報器２
０は、前記電流監視部３，６または９から警報信号が出
力されると、警報を発する。Further, the electromagnetic proportional valve control device 100
Has a touch panel 10 and an alarm 20. As shown in FIG. 3, the touch panel 10 has a numeric button 11 and start buttons 12LF, 12LP, and 12HP.
And a proportional valve adjustment screen including the following. The alarm 2
0 issues an alarm when an alarm signal is output from the current monitoring unit 3, 6, or 9.
【００１９】さて、上記電磁比例弁制御装置１００で
は、次のようにして低圧流量用電磁比例弁ＦＶ１のコイ
ル電流ＩLFの調整を行う。The solenoid proportional valve control device 100 adjusts the coil current ILF of the low pressure flow rate solenoid proportional valve FV1 as follows.
〔０〕操作者は、タッチパネル１０の比例弁調整画面
（図３）の低圧流量比例弁の指令０％のコイル電流の表
示領域にタッチする。すると、低圧流量指令値ＳLF＝０
％のコイル電流値ＩLFmin [mA]の入力が可能になる。そ
こで、操作者は、数値ボタン１１からコイル電流値ＩLF
min [mA]を入力し、リターンボタンにタッチする。する
と、入力したコイル電流値ＩLFmin [mA]が、低圧流量比
例弁の指令０％のコイル電流の表示領域に表示されると
共に、低圧流量指令値／低圧流量電流指令値換算部２へ
と送られる。次に、操作者は、タッチパネル１０の比例
弁調整画面（図３）の低圧流量比例弁の指令１００％の
コイル電流の表示領域にタッチする。すると、低圧流量
指令値ＳLF＝１００％のコイル電流値ＩLFmax [mA]の入
力が可能になる。そこで、操作者は、数値ボタン１１か
らコイル電流値ＩLFmax[mA]を入力し、リターンボタン
にタッチする。すると、入力したコイル電流値ＩLFmax
[mA]が、低圧流量比例弁の指令１００％のコイル電流の
表示領域に表示されると共に、低圧流量指令値／低圧流
量電流指令値換算部２へと送られる。次に、操作者は、
タッチパネル１０の比例弁調整画面（図３）の低圧流量
比例弁の開始ボタン１２LFにタッチする。[0] The operator touches the display area of the 0% coil current of the low pressure flow proportional valve command on the proportional valve adjustment screen (FIG. 3) of the touch panel 10. Then, the low pressure flow command value SLF = 0
% Coil current value ILFmin [mA] can be input. Therefore, the operator presses the coil current value ILF from the numeric button 11.
Input min [mA] and touch the return button. Then, the input coil current value ILFmin [mA] is displayed in the display area of the coil current of 0% of the command of the low-pressure flow proportional valve, and is sent to the low-pressure flow command value / low-pressure flow current command value conversion unit 2. . Next, the operator touches the display area of the coil current of the command of 100% for the low-pressure flow proportional valve on the proportional valve adjustment screen (FIG. 3) of the touch panel 10. Then, the input of the coil current value ILFmax [mA] of the low-pressure flow rate command value SLF = 100% becomes possible. Then, the operator inputs the coil current value ILFmax [mA] from the numerical buttons 11 and touches the return button. Then, the input coil current value ILFmax
[mA] is displayed in the display area of the coil current of the command of the low pressure flow proportional valve command of 100%, and is sent to the low pressure flow command value / low pressure flow current command value conversion unit 2. Next, the operator:
Touch the start button 12LF of the low pressure flow proportional valve on the proportional valve adjustment screen (FIG. 3) of the touch panel 10.
【００２０】〔１〕すると、低圧流量指令値／低圧流量
電流指令値換算部２は、予め決定されている適当な低圧
流量電流指令値ＶLFｓを出力し、この時のコイル電流値
ＩLFｓを取得する。 〔２〕次に、低圧流量指令値／低圧流量電流指令値換算
部２は、図４の（ａ）に示すように、 ＶLF＝ＩLF（ＶLFｓ／ＩLFｓ） により、コイル電流値／低圧流量電流指令値換算式ＶLF
(ＩLF)を求める。次に、そのコイル電流値／低圧流量電
流指令値換算式ＶLF(ＩLF)を用いて、図４の（ａ）に示
すように、 ＶLFmin＝ＩLFmin（ＶLFｓ／ＩLFｓ） ＶLFmax＝ＩLFmax（ＶLFｓ／ＩLFｓ） により、低圧流量指令値ＳLF＝０％のコイル電流値ＩLF
min に対応する低圧流量電流指令値ＶLFmin を求めると
共に、低圧流量指令値ＳLF＝１００％のコイル電流値Ｉ
LFmax に対応する低圧流量電流指令値ＶLFmax を求め
る。[1] Then, the low-pressure flow command value / low-pressure flow current command value conversion unit 2 outputs a predetermined appropriate low-pressure flow current command value VLFs, and acquires the coil current value ILFs at this time. . [2] Next, as shown in FIG. 4A, the low pressure flow rate command value / low pressure flow rate current command value conversion unit 2 calculates the coil current value / low pressure flow rate current command according to VLF = ILF (VLFs / ILFs). Value conversion formula VLF
(ILF). Next, using the coil current value / low pressure flow current command value conversion formula VLF (ILF), as shown in FIG. 4A, VLFmin = ILFmin (VLFs / ILFs) VLFmax = ILFmax (VLFs / ILFs) As a result, the low-pressure flow rate command value SLF = 0% coil current value ILF
and a low-pressure flow command value SLF = 100% of the coil current value ILF.
A low pressure flow current command value VLFmax corresponding to LFmax is obtained.
【００２１】〔３〕次に、低圧流量指令値／低圧流量電
流指令値換算部２は、図４の（ｂ）に示すように、 ＶLF＝ＶLFmin＋ＳLF（ＶLFmax−ＶLFmin）／１００ により、低圧流量指令値／低圧流量電流指令値換算式Ｖ
LF(ＳLF)を求める。[3] Next, as shown in FIG. 4B, the low pressure flow command value / low pressure flow current command value conversion unit 2 calculates the low pressure flow command by VLF = VLFmin + SLF (VLFmax-VLFmin) / 100. Value / Low pressure flow current command value conversion formula V
Find LF (SLF).
【００２２】〔４〕以後、低圧流量指令値／低圧流量電
流指令値換算部２は、上記低圧流量指令値／低圧流量電
流指令値換算式ＶLF(ＳLF)を用いて、低圧流量指令値Ｓ
LFを低圧流量電流指令値ＶLFに換算し、出力する。[4] Thereafter, the low pressure flow command value / low pressure flow current command value conversion unit 2 uses the low pressure flow command value / low pressure flow current command value conversion formula VLF (SLF) to calculate the low pressure flow command value S
LF is converted to a low pressure flow current command value VLF and output.
【００２３】〔５〕操作者は、タッチパネル１０の比例
弁調整画面（図３）の低圧圧力比例弁の指令０％のコイ
ル電流の表示領域にタッチする。すると、低圧圧力指令
値ＳLP＝０％のコイル電流値ＩLPmin [mA]の入力が可能
になる。そこで、操作者は、数値ボタン１１からコイル
電流値ＩLPmin [mA]を入力し、リターンボタンにタッチ
する。すると、入力したコイル電流値ＩLPmin [mA]が、
低圧圧力比例弁の指令０％のコイル電流の表示領域に表
示されると共に、低圧圧力指令値／低圧圧力電流指令値
換算部５へと送られる。次に、操作者は、タッチパネル
１０の比例弁調整画面（図３）の低圧圧力比例弁の指令
１００％のコイル電流の表示領域にタッチする。する
と、低圧圧力指令値ＳLP＝１００％のコイル電流値ＩLP
max [mA]の入力が可能になる。そこで、操作者は、数値
ボタン１１からコイル電流値ＩLPmax[mA]を入力し、リ
ターンボタンにタッチする。すると、入力したコイル電
流値ＩLPmax [mA]が、低圧圧力比例弁の指令１００％の
コイル電流の表示領域に表示されると共に、低圧圧力指
令値／低圧圧力電流指令値換算部５へと送られる。次
に、操作者は、タッチパネル１０の比例弁調整画面（図
３）の低圧圧力比例弁の開始ボタン１２LPにタッチす
る。[5] The operator touches the display area of the 0% coil current command of the low pressure proportional valve on the proportional valve adjustment screen (FIG. 3) of the touch panel 10. Then, the input of the coil current value ILPmin [mA] of the low pressure command value SLP = 0% becomes possible. Therefore, the operator inputs the coil current value ILPmin [mA] from the numeric button 11 and touches the return button. Then, the input coil current value ILPmin [mA] becomes
The command of the low pressure proportional valve is displayed in the display area of the coil current of 0%, and is also sent to the low pressure command value / low pressure pressure current command value conversion unit 5. Next, the operator touches a display area of the coil current of 100% of the command of the low pressure proportional valve on the proportional valve adjustment screen (FIG. 3) of the touch panel 10. Then, the low-pressure command value SLP = 100% of the coil current value ILP
Input of max [mA] becomes possible. Then, the operator inputs the coil current value ILPmax [mA] from the numerical buttons 11 and touches the return button. Then, the input coil current value ILPmax [mA] is displayed in the display area of the coil current of 100% of the command of the low-pressure pressure proportional valve and is sent to the low-pressure command value / low-pressure pressure current command value conversion unit 5. . Next, the operator touches the start button 12LP of the low pressure proportional valve on the proportional valve adjustment screen (FIG. 3) of the touch panel 10.
【００２４】〔６〕すると、低圧圧力指令値／低圧圧力
電流指令値換算部５は、予め決定されている適当な低圧
圧力電流指令値ＶLPｓを出力し、この時のコイル電流値
ＩLPｓを取得する。 〔７〕次に、低圧圧力指令値／低圧圧力電流指令値換算
部５は、図５の（ａ）に示すように、 ＶLP＝ＩLP（ＶLPｓ／ＩLPｓ） により、コイル電流値／低圧圧力電流指令値換算式ＶLP
(ＩLP)を求める。次に、そのコイル電流値／低圧圧力電
流指令値換算式ＶLP(ＩLP)を用いて、図５の（ａ）に示
すように、 ＶLPmin＝ＩLPmin（ＶLPｓ／ＩLPｓ） ＶLPmax＝ＩLPmax（ＶLPｓ／ＩLPｓ） により、低圧圧力指令値ＳLP＝０％のコイル電流値ＩLP
min に対応する低圧圧力電流指令値ＶLPmin を求めると
共に、低圧圧力指令値ＳLP＝１００％のコイル電流値Ｉ
LPmax に対応する低圧圧力電流指令値ＶLPmax を求め
る。[6] Then, the low pressure pressure command value / low pressure pressure current command value conversion unit 5 outputs a predetermined appropriate low pressure pressure current command value VLPs, and acquires the coil current value ILPs at this time. . [7] Next, as shown in FIG. 5A, the low-pressure pressure command value / low-pressure pressure current command value conversion unit 5 calculates the coil current value / low-pressure pressure current command according to VLP = ILP (VLPs / ILPs). Value conversion formula VLP
(ILP). Next, using the coil current value / low pressure pressure current command value conversion formula VLP (ILP), as shown in FIG. 5A, VLPmin = ILPmin (VLPs / ILPs) VLPmax = ILPmax (VLPs / ILPs) As a result, the low-pressure pressure command value SLP = 0% coil current value ILP
The low-pressure pressure command value VLPmin corresponding to the low-pressure pressure command value SLP = 100% is obtained.
A low pressure current command value VLPmax corresponding to LPmax is determined.
【００２５】〔８〕次に、低圧圧力指令値／低圧圧力電
流指令値換算部５は、図５の（ｂ）に示すように、 ＶLP＝ＶLPmin＋ＳLP（ＶLPmax−ＶLPmin）／１００ により、低圧圧力指令値／低圧圧力電流指令値換算式Ｖ
LP(ＳLP)を求める。[8] Next, as shown in FIG. 5B, the low-pressure pressure command value / low-pressure pressure current command value conversion unit 5 calculates the low-pressure pressure command by VLP = VLPmin + SLP (VLPmax-VLPmin) / 100. Value / Low pressure current command conversion formula V
Find LP (SLP).
【００２６】[0026]
〔９〕以後、低圧圧力指令値／低圧圧力電
流指令値換算部５は、上記低圧圧力指令値／低圧圧力電
流指令値換算式ＶLP(ＳLP)を用いて、低圧圧力指令値Ｓ
LPを低圧圧力電流指令値ＶLPに換算し、出力する。[9] Thereafter, the low pressure command value / low pressure current command value conversion unit 5 uses the low pressure command value / low pressure current command conversion formula VLP (SLP) to calculate the low pressure command value S.
LP is converted to a low pressure current command value VLP and output.
【００２７】〔１０〕操作者は、タッチパネル１０の比
例弁調整画面（図３）の高圧圧力比例弁の指令０％のコ
イル電流の表示領域にタッチする。すると、高圧圧力指
令値ＳHP＝０％のコイル電流値ＩHPmin [mA]の入力が可
能になる。そこで、操作者は、数値ボタン１１からコイ
ル電流値ＩHPmin [mA]を入力し、リターンボタンにタッ
チする。すると、入力したコイル電流値ＩHPmin [mA]
が、高圧圧力比例弁の指令０％のコイル電流の表示領域
に表示されると共に、高圧圧力指令値／高圧圧力電流指
令値換算部５へと送られる。次に、操作者は、タッチパ
ネル１０の比例弁調整画面（図３）の高圧圧力比例弁の
指令１００％のコイル電流の表示領域にタッチする。す
ると、高圧圧力指令値ＳHP＝１００％のコイル電流値Ｉ
HPmax [mA]の入力が可能になる。そこで、操作者は、数
値ボタン１１からコイル電流値ＩHPmax [mA]を入力し、
リターンボタンにタッチする。すると、入力したコイル
電流値ＩHPmax [mA]が、高圧圧力比例弁の指令１００％
のコイル電流の表示領域に表示されると共に、高圧圧力
指令値／高圧圧力電流指令値換算部８へと送られる。次
に、操作者は、タッチパネル１０の比例弁調整画面（図
３）の高圧圧力比例弁の開始ボタン１２HPにタッチす
る。[10] The operator touches the display area of the 0% coil current command of the high pressure proportional valve on the proportional valve adjustment screen (FIG. 3) of the touch panel 10. Then, the input of the coil current value IHPmin [mA] of the high pressure command value SHP = 0% becomes possible. Then, the operator inputs the coil current value IHPmin [mA] from the numerical buttons 11 and touches the return button. Then, the input coil current value IHPmin [mA]
Is displayed in the display area of the coil current of 0% of the command of the high pressure proportional valve and sent to the high pressure command value / high pressure pressure current command value conversion unit 5. Next, the operator touches the display area of the 100% coil current command of the high pressure proportional valve on the proportional valve adjustment screen (FIG. 3) of the touch panel 10. Then, the high-pressure command value SHP = 100% coil current value I
HPmax [mA] can be input. Therefore, the operator inputs the coil current value IHPmax [mA] from the numeric button 11,
Touch the return button. Then, the input coil current value IHPmax [mA] becomes 100% of the command of the high pressure proportional valve.
And is sent to the high-pressure pressure command value / high-pressure pressure current command value conversion unit 8. Next, the operator touches the start button 12HP of the high pressure proportional valve on the proportional valve adjustment screen (FIG. 3) of the touch panel 10.
【００２８】〔１１〕すると、高圧圧力指令値／高圧圧
力電流指令値換算部８は、予め決定されている適当な高
圧圧力電流指令値ＶHPｓを出力し、この時のコイル電流
値ＩHPｓを取得する。 〔１２〕次に、高圧圧力指令値／高圧圧力電流指令値換
算部８は、図６の（ａ）に示すように、 ＶHP＝ＩHP（ＶHPｓ／ＩHPｓ） により、コイル電流値／高圧圧力電流指令値換算式ＶHP
(ＩHP)を求める。次に、そのコイル電流値／高圧圧力電
流指令値換算式ＶHP(ＩHP)を用いて、図６の（ａ）に示
すように、 ＶHPmin＝ＩHPmin（ＶHPｓ／ＩHPｓ） ＶHPmax＝ＩHPmax（ＶHPｓ／ＩHPｓ） により、高圧圧力指令値ＳHP＝０％のコイル電流値ＩHP
min に対応する高圧圧力電流指令値ＶHPmin を求めると
共に、高圧圧力指令値ＳHP＝１００％のコイル電流値Ｉ
HPmax に対応する高圧圧力電流指令値ＶHPmax を求め
る。[11] Then, the high pressure command value / high pressure current command value conversion section 8 outputs a predetermined appropriate high pressure current command value VHPs and acquires the coil current value IHPs at this time. . [12] Next, as shown in FIG. 6A, the high-pressure pressure command value / high-pressure pressure current command value conversion unit 8 calculates the coil current value / high-pressure pressure current command by VHP = IHP (VHPs / IHPs). Value conversion formula VHP
(IHP). Next, using the coil current value / high pressure pressure current command value conversion formula VHP (IHP), as shown in FIG. 6A, VHPmin = IHPmin (VHPs / IHPs) , The coil current value IHP of the high pressure command value SHP = 0%
high-pressure pressure current command value VHPmin corresponding to high pressure command value SHP = 100% coil current value IHP
The high pressure current command value VHPmax corresponding to HPmax is obtained.
【００２９】〔１３〕次に、高圧圧力指令値／高圧圧力
電流指令値換算部８は、図６の（ｂ）に示すように、 ＶHP＝ＶHPmin＋ＳHP（ＶHPmax−ＶHPmin）／１００ により、高圧圧力指令値／高圧圧力電流指令値換算式Ｖ
HP(ＳHP)を求める。[13] Next, as shown in FIG. 6B, the high pressure command value / high pressure current command value conversion unit 8 calculates the high pressure command by VHP = VHPmin + SHP (VHPmax-VHPmin) / 100. Value / High pressure current command value conversion formula V
Find HP (SHP).
【００３０】〔１４〕以後、高圧圧力指令値／高圧圧力
電流指令値換算部８は、上記高圧圧力指令値／高圧圧力
電流指令値換算式ＶHP(ＳHP)を用いて、高圧圧力指令値
ＳHPを高圧圧力電流指令値ＶHPに換算し、出力する。[14] After that, the high pressure command value / high pressure current command value conversion unit 8 converts the high pressure command value SHP using the high pressure command value / high pressure current command conversion formula VHP (SHP). It is converted into a high pressure current command value VHP and output.
【００３１】以上の電磁比例弁制御装置１００によれ
ば、操作者は、コイル電流値ＩLFmin,ILFmax ，ＩLPmin
，ＩLPmax ，ＩHPmin ，ＩHPmax を数値ボタン１１で
入力し、次いで開始ボタン１２LF，１２LP，１２HPを押
せば、自動的にコイル電流の調整が行われる。このた
め、操作が簡単になり、習熟者でなくてもコイル電流の
調整を高精度に行うことが出来る。According to the above-described electromagnetic proportional valve control device 100, the operator can control the coil current values ILFmin, ILFmax, ILPmin
, ILPmax, IHPmin, and IHPmax are input by using the numerical buttons 11 and then the start buttons 12LF, 12LP, and 12HP are pressed to automatically adjust the coil current. For this reason, the operation is simplified, and the adjustment of the coil current can be performed with high accuracy even for a non-expert.
【００３２】[0032]
【発明の効果】本発明の電磁比例弁制御装置（１００）
によれば、規定のコイル電流値を設定し、調整開始の指
示を与えるだけなので、操作に習熟を全く要さない。よ
って、コイル電流の調整作業の手間を大幅に軽減できる
と共に習熟者でなくても精度の高い調整を行うことが出
来るようになる。The electromagnetic proportional valve control device (100) of the present invention.
According to the method, only a specified coil current value is set and an instruction to start adjustment is given, so that no skill is required for the operation. Therefore, the work of adjusting the coil current can be greatly reduced, and highly accurate adjustment can be performed even by a non-expert.
【図１】本発明の一実施形態にかかる電磁比例弁制御装
置（１００）を含む中空成形機（１０００）の構成図で
ある。FIG. 1 is a configuration diagram of a blow molding machine (1000) including an electromagnetic proportional valve control device (100) according to an embodiment of the present invention.
【図２】本発明の一実施形態にかかる電磁比例弁制御装
置（１００）を示す構成図である。FIG. 2 is a configuration diagram showing an electromagnetic proportional valve control device (100) according to an embodiment of the present invention.
【図３】タッチパネル（１０）の比例弁調整画面の説明
図である。FIG. 3 is an explanatory view of a proportional valve adjustment screen of the touch panel (10).
【図４】コイル電流値／低圧流量電流指令値換算式ＶLF
(ＩLF)および低圧流量指令値／低圧流量電流指令値換算
式ＶLF(ＳLF)のグラフである。[Fig. 4] CLF current value / low pressure flow current command value conversion formula VLF
5 is a graph of (LFF) and a low pressure flow command value / low pressure flow current command value conversion formula VLF (SLF).
【図５】コイル電流値／低圧圧力電流指令値換算式ＶLP
(ＩLP)および低圧圧力指令値／低圧圧力電流指令値換算
式ＶLP(ＳLP)のグラフである。FIG. 5: CLP current value / low pressure pressure current command value conversion formula VLP
6 is a graph of (LP) and a low pressure command value / low pressure current command conversion formula VLP (SLP).
【図６】コイル電流値／高圧圧力電流指令値換算式ＶHP
(ＩHP)および高圧圧力指令値／高圧圧力電流指令値換算
式ＶHP(ＳHP)のグラフである。FIG. 6: Coil current value / high pressure pressure current command value conversion formula VHP
(IHP) and a graph of a high pressure command value / high pressure current command conversion formula VHP (SHP).
【図７】従来の電磁比例弁制御装置（５００）を含む中
空成形機（５０００）の構成図である。FIG. 7 is a configuration diagram of a blow molding machine (5000) including a conventional electromagnetic proportional valve control device (500).
【図８】従来の電磁比例弁制御装置（５００）を示す構
成図である。FIG. 8 is a configuration diagram showing a conventional electromagnetic proportional valve control device (500).
１，４，７ Ａ／Ｄ変換器 ２ 低圧流量指令値／低圧流
量電流指令値換算部 ３，６，９ 電流監視部 ５ 低圧圧力指令値／低圧圧
力電流指令値換算部 ８ 高圧圧力指令値／高圧圧
力電流指令値換算部 １０ タッチパネル １１ 数値ボタン １２LF，１２LP，１２HP 開始ボタン ２０ 警報器 １００ 電磁比例弁制御装置1, 4, 7 A / D converter 2 Low pressure flow rate command value / Low pressure flow rate current command value conversion unit 3, 6, 9 Current monitoring unit 5 Low pressure pressure command value / Low pressure pressure current command value conversion unit 8 High pressure pressure value / High pressure current command conversion unit 10 Touch panel 11 Numeric buttons 12LF, 12LP, 12HP Start button 20 Alarm 100 Electromagnetic proportional valve controller
Claims (6)
値ＶLFに換算して電磁比例弁の低圧流量用コイル（ＣL
F）へと出力する電磁比例弁制御装置（１００）におい
て、 適当な低圧流量電流指令値ＶLFｓを前記低圧流量用コイ
ル（ＣLF）へと出力し、その時のコイル電流値ＩLFｓを
取得し、コイル電流値／低圧流量電流指令値換算式ＶLF
(ＩLF)を求め、そのコイル電流値／低圧流量電流指令値
換算式ＶLF(ＩLF)を用いて低圧流量指令値ＳLF＝０％の
コイル電流値ＩLFmin に対応する低圧流量電流指令値Ｖ
LFmin を求めると共に低圧流量指令値ＳLF＝１００％の
コイル電流値ＩLFmax に対応する低圧流量電流指令値Ｖ
LFmax を求め、前記低圧流量電流指令値ＶLFmin と前記
低圧流量電流指令値ＶLFmax から低圧流量指令値／低圧
流量電流指令値換算式ＶLF(ＳLF)を求め、その低圧流量
指令値／低圧流量電流指令値換算式ＶLF(ＳLF)を用いて
低圧流量指令値ＳLFを低圧流量電流指令値ＶLFに換算す
る低圧流量指令値／低圧流量電流指令値換算部（２）を
具備したことを特徴とする電磁比例弁制御装置（１０
０）。1. A low-pressure flow rate command value SLF is converted into a low-pressure flow rate current command value VLF, and a low-pressure flow rate coil (CL) of an electromagnetic proportional valve is converted.
F), an appropriate low pressure flow rate current command value VLFs is output to the low pressure flow rate coil (CLF), and the coil current value ILFs at that time is obtained. Value / Low pressure flow current command value conversion formula VLF
(ILF) is obtained, and the low-pressure flow current command value V corresponding to the coil current value ILFmin of the low-pressure flow command value SLF = 0% is obtained by using the coil current value / low-pressure flow current command value conversion formula VLF (ILF).
LFmin is obtained, and the low-pressure flow command value V corresponding to the low-pressure flow command value SLF = 100% of the coil current value ILFmax is obtained.
LFmax is obtained, and a low pressure flow command value / low pressure flow current command value conversion formula VLF (SLF) is obtained from the low pressure flow current command value VLFmin and the low pressure flow current command value VLFmax, and the low pressure flow command value / low pressure flow current command value is obtained. An electromagnetic proportional valve comprising a low-pressure flow command value / low-pressure flow current command value conversion unit (2) for converting the low-pressure flow command value SLF into a low-pressure flow current command value VLF by using a conversion formula VLF (SLF). Control device (10
0).
（１００）において、前記低圧流量電流指令値ＶLFmin
および前記低圧流量電流指令値ＶLFmax の数値を入力す
るための数値ボタン（１１）と、前記数値の入力後に低
圧流量指令値／低圧流量電流指令値換算式ＶLF(ＳLF)を
自動的に求めることを指示する開始ボタン（１２LF）と
を含むタッチパネル（１０）を具備したことを特徴とす
る電磁比例弁制御装置（１００）。2. The electromagnetic proportional valve control device (100) according to claim 1, wherein said low-pressure flow current command value VLFmin
And a numerical button (11) for inputting a numerical value of the low pressure flow current command value VLFmax, and automatically obtaining a low pressure flow command value / low pressure flow current command value conversion formula VLF (SLF) after inputting the numerical value. An electromagnetic proportional valve control device (100) comprising a touch panel (10) including a start button (12LF) for instructing.
値ＶLPに換算して電磁比例弁の低圧圧力コイル（ＣLP）
へと出力する電磁比例弁制御装置（１００）において、 適当な低圧圧力電流指令値ＶLPｓを前記低圧圧力コイル
（ＣLP）へと出力し、その時の低圧圧力コイル電流値Ｉ
LPｓを取得し、コイル電流値／低圧圧力電流指令値換算
式ＶLP(ＩLP)を求め、そのコイル電流値／低圧圧力電流
指令値換算式ＶLP(ＩLP)を用いて低圧圧力指令値ＳLP＝
０％のコイル電流値ＩLPmin に対応する低圧圧力電流指
令値ＶLPmin を求めると共に低圧圧力指令値ＳLP＝１０
０％のコイル電流値ＩLPmax に対応する低圧圧力電流指
令値ＶLPmax を求め、前記低圧圧力電流指令値ＶLPmin
と低圧圧力電流指令値ＶLPmax から低圧圧力指令値／低
圧圧力電流指令値換算式ＶLP(ＳLP)を求め、その低圧圧
力指令値／低圧圧力電流指令値換算式ＶLP(ＳLP)を用い
て低圧圧力指令値ＳLPを低圧圧力電流指令値ＶLPに換算
する低圧圧力指令値／低圧圧力電流指令値換算部（５）
を具備したことを特徴とする電磁比例弁制御装置（１０
０）。3. A low-pressure pressure coil (CLP) of an electromagnetic proportional valve, which converts a low-pressure command value SLP into a low-pressure current command value VLP.
The electromagnetic proportional valve control device (100) outputs an appropriate low pressure current command value VLPs to the low pressure coil (CLP) and outputs the low pressure coil current value I
LPs is obtained, a coil current value / low pressure pressure current command value conversion formula VLP (ILP) is obtained, and the low current pressure command value SLP is calculated using the coil current value / low pressure pressure current command value conversion formula VLP (ILP).
A low pressure current command value VLPmin corresponding to a 0% coil current value ILPmin is obtained, and a low pressure command value SLP = 10
A low pressure current command value VLPmax corresponding to the 0% coil current value ILPmax is obtained, and the low pressure current command value VLPmin is obtained.
The low-pressure pressure command value / low-pressure pressure current command value conversion formula VLP (SLP) is obtained from the low-pressure pressure current command value VLPmax and the low-pressure pressure command value using the low-pressure pressure command value / low-pressure pressure current command value conversion formula VLP (SLP). Low-pressure pressure command value / low-pressure pressure current command value conversion unit (5) for converting value SLP into low-pressure pressure current command value VLP
An electromagnetic proportional valve control device (10
0).
（１００）において、前記低圧圧力電流指令値ＶLPmin
および前記低圧圧力電流指令値ＶLPmax の数値を入力す
るための数値ボタン（１１）と、前記数値の入力後に低
圧圧力指令値／低圧圧力電流指令値換算式ＶLP(ＳLP)を
自動的に求めることを指示する開始ボタン（１２LP）と
を含むタッチパネル（１０）を具備したことを特徴とす
る電磁比例弁制御装置（１００）。4. The electromagnetic proportional valve control device (100) according to claim 3, wherein the low-pressure pressure current command value VLPmin
And a numerical button (11) for inputting the numerical value of the low pressure pressure current command value VLPmax, and automatically obtaining a low pressure command value / low pressure pressure current command value conversion formula VLP (SLP) after inputting the numerical value. An electromagnetic proportional valve control device (100) comprising a touch panel (10) including a start button (12LP) for instructing.
値ＶHPに換算して電磁比例弁の高圧圧力コイル（ＣHP）
へと出力する電磁比例弁制御装置（１００）において、 適当な高圧圧力電流指令値ＶHPｓを前記高圧圧力コイル
（ＣHP）へと出力し、その時の高圧圧力コイル電流値Ｉ
HPｓを取得し、コイル電流値／高圧圧力電流指令値換算
式ＶHP(ＩHP)を求め、そのコイル電流値／高圧圧力電流
指令値換算式ＶHP(ＩHP)を用いて高圧圧力指令値ＳHP＝
０％のコイル電流値ＩHPmin に対応する高圧圧力電流指
令値ＶHPmin を求めると共に高圧圧力指令値ＳHP＝１０
０％のコイル電流値ＩHPmax に対応する高圧圧力電流指
令値ＶHPmax を求め、前記高圧圧力電流指令値ＶHPmin
と高圧圧力電流指令値ＶHPmax から高圧圧力指令値／高
圧圧力電流指令値換算式ＶHP(ＳHP)を求め、その高圧圧
力指令値／高圧圧力電流指令値換算式ＶHP(ＳHP)を用い
て高圧圧力指令値ＳHPを高圧圧力電流指令値ＶHPに換算
する高圧圧力指令値／高圧圧力電流指令値換算部（２）
を具備したことを特徴とする電磁比例弁制御装置（１０
０）。5. A high-pressure pressure coil (CHP) for an electromagnetic proportional valve by converting a high-pressure pressure command value SHP into a high-pressure pressure current command value VHP.
An appropriate high pressure current command value VHPs is output to the high pressure coil (CHP), and the high pressure coil current value IHP at that time is output.
HPs is obtained, a coil current value / high pressure pressure current command value conversion formula VHP (IHP) is obtained, and the high voltage pressure command value SHP = using the coil current value / high pressure pressure current command value conversion formula VHP (IHP).
A high pressure current command value VHPmin corresponding to a 0% coil current value IHPmin is obtained, and a high pressure command value SHP = 10
A high-pressure pressure current command value VHPmax corresponding to the 0% coil current value IHPmax is determined, and the high-pressure pressure current command value VHPmin is calculated.
The high-pressure pressure command value / high-pressure pressure current command value conversion formula VHP (SHP) is obtained from the high-pressure pressure current command value VHPmax and the high-pressure pressure command value using the high-pressure pressure command value / high-pressure pressure current command value conversion formula VHP (SHP). High-pressure pressure command value / high-pressure pressure current command value conversion unit for converting value SHP into high-pressure pressure current command value VHP (2)
An electromagnetic proportional valve control device (10
0).
（１００）において、前記高圧圧力電流指令値ＶHPmin
および前記高圧圧力電流指令値ＶHPmax の数値を入力す
るための数値ボタン（１１）と、前記数値の入力後に高
圧圧力指令値／高圧圧力電流指令値換算式ＶHP(ＳHP)を
自動的に求めることを指示する開始ボタン（１２HP）と
を含むタッチパネル（１０）を具備したことを特徴とす
る電磁比例弁制御装置（１００）。6. An electromagnetic proportional valve control device (100) according to claim 5, wherein said high pressure current command value VHPmin
And a numerical button (11) for inputting a numerical value of the high-pressure pressure current command value VHPmax, and automatically obtaining a high-pressure pressure command value / high-pressure pressure current command value conversion formula VHP (SHP) after inputting the numerical value. An electromagnetic proportional valve control device (100) comprising a touch panel (10) including a start button (12HP) for instructing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00922297A JP3780430B2 (en) | 1997-01-22 | 1997-01-22 | Solenoid proportional valve control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00922297A JP3780430B2 (en) | 1997-01-22 | 1997-01-22 | Solenoid proportional valve control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10202731A true JPH10202731A (en) | 1998-08-04 |
| JP3780430B2 JP3780430B2 (en) | 2006-05-31 |
Family
ID=11714410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00922297A Expired - Fee Related JP3780430B2 (en) | 1997-01-22 | 1997-01-22 | Solenoid proportional valve control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3780430B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106227138A (en) * | 2016-07-25 | 2016-12-14 | 三重型能源装备有限公司 | Fan blade mould tilting device synchronous control system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5790401A (en) * | 1980-11-26 | 1982-06-05 | Japan Steel Works Ltd:The | Hydraulic control apparatus for hydraulic equipment |
| JPH05149466A (en) * | 1991-11-29 | 1993-06-15 | Toyooki Kogyo Co Ltd | Electromagnetic proportion valve |
| JP3018261U (en) * | 1995-05-17 | 1995-11-14 | 大同信号株式会社 | Controller for solenoid valve |
| JPH08135835A (en) * | 1994-11-04 | 1996-05-31 | Nabco Ltd | Actuator driving apparatus |
| JPH08285119A (en) * | 1995-04-10 | 1996-11-01 | Unisia Jecs Corp | Linear solenoid valve controller |
| JPH08303629A (en) * | 1995-04-27 | 1996-11-22 | Samsung Electronics Co Ltd | Proportional solenoid valve control system |
-
1997
- 1997-01-22 JP JP00922297A patent/JP3780430B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5790401A (en) * | 1980-11-26 | 1982-06-05 | Japan Steel Works Ltd:The | Hydraulic control apparatus for hydraulic equipment |
| JPH05149466A (en) * | 1991-11-29 | 1993-06-15 | Toyooki Kogyo Co Ltd | Electromagnetic proportion valve |
| JPH08135835A (en) * | 1994-11-04 | 1996-05-31 | Nabco Ltd | Actuator driving apparatus |
| JPH08285119A (en) * | 1995-04-10 | 1996-11-01 | Unisia Jecs Corp | Linear solenoid valve controller |
| JPH08303629A (en) * | 1995-04-27 | 1996-11-22 | Samsung Electronics Co Ltd | Proportional solenoid valve control system |
| JP3018261U (en) * | 1995-05-17 | 1995-11-14 | 大同信号株式会社 | Controller for solenoid valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106227138A (en) * | 2016-07-25 | 2016-12-14 | 三重型能源装备有限公司 | Fan blade mould tilting device synchronous control system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3780430B2 (en) | 2006-05-31 |
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