TW201127603A - Servo energy-saving multi-loop control system - Google Patents

Servo energy-saving multi-loop control system Download PDF

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TW201127603A
TW201127603A TW99103264A TW99103264A TW201127603A TW 201127603 A TW201127603 A TW 201127603A TW 99103264 A TW99103264 A TW 99103264A TW 99103264 A TW99103264 A TW 99103264A TW 201127603 A TW201127603 A TW 201127603A
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Taiwan
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power unit
pressure
controller
power
mold
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TW99103264A
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Chinese (zh)
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TWI397469B (en
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Jung-Teng Lin
Chung-Hsien Lin
Tzu-Tse Wu
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Chuan Lih Fa Machinery Works Co Ltd
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Abstract

This invention relates to a servo energy-saving multi-loop control system comprising a controller and a power set. The controller is used to control the components of the power set and output signals to control the power set to carry out confluence of identical action and single action of several split-flows. The power set consists of a first power unit, a second power unit and a third power unit which are components for controlling the operation of a machine.

Description

201127603 六、發明說明: 【發明所屬之技術領域】 剛 本發明有關於—種伺服節能多迴路控制系統,其包 括控制器、動力組所構成,主要用於射出成型機之鎖二 力上,讓動力組可同時向模具施予鎖模力’當鎖模力到 達時可讓動力組之單—動力單元做鎖模壓力保持的動作 ,其餘的動力單元停止作動,以達節能之目的者。 【先前技術】 按,習用之「大型多絚電動機及多聯液壓油泵塑膠 射出成型機變頻節能控制裝置」如中「華民國專利申請案 第097209376號種大型多組電動機及多聯 液壓油泵塑膠射出成型機變頻節能控制裝置,大型的塑 膠射出成型機設有塑膠射出成型機控制器,令該塑膠射 出成型機輸出端設有控制器,該控制器分別具有斜率控 制器、壓力比例控制器、及流量比例控制器,且於控= 器輸出端連接設有電動機轉速控制器及比例閥,該比例 閥係分別為壓力比例閥及流量比例間,)並於該電動機轉 速控制器及比例閥之間並聯連接設有多組依序連結之變 頻器、電動機及液壓油泵,並於該變頻器設有變頻器控 制器;其中: 該控制器之斜率控制器,其可令該塑膠射出成型機 與變頻器間之驅動動作斜率達成一致性; 該電動機轉速控制器,其分別設有提升或多段速度 選擇控至氣、壓力類比訊號控制器、流量類比訊號控制 器及增益電位計;該提升或多段速度選擇控制器可供方 099103264 便選擇任何範圍速度達到射出成型之任何要求; 表單編號A0101 第3頁/共12頁 該壓力 0992006126-0 201127603 類比訊號控制器可供接收偵測任何範圍内的壓力類比訊 號,以輸出穩定及系統所需最佳轉速,而建立穩定系統 壓力值;該流量類比訊號及增益電位控制器可供接收偵 測任何範圍内的類比訊號,經由運算、比較放大、減量 之功能的輸出值,提供予變頻器之變頻器控制器,使其 轉速可依不同需求量自動調整各個電動機與多聯液壓油 泵的輸出達最佳節能狀況。 其上述構件,雖可同時監視和控制諸多液壓油泵, 但無法整合諸多液壓油泵驅動同一動作,且此種方式所 需要耗費的能源較多,在檢修與操作上不易者。 【發明内容】 [0003] 099103264 其上述習用的技術,雖可同時監視和控制諸多液壓 油泵,但無法整合諸多液壓油果驅動同一動作,且此種 方式所需要耗費的能源較多,在檢修與操作上不易者。 本發明主要目的在於提供一種伺服節能多迴路控制 系統,利用壓力回饋的訊號,來讓控制器判斷壓力值是 否到達,若是壓力值不足則動力組所屬之動力單元同時 作壓力給予的動作,若是壓力值到達則可讓動力組之單 一動力單元做壓力保持的動作,此種方式可使機器減少 作動的能源者。 為達前揭之目的,本發明伺服節能多迴路控制系統 ,利用壓力回饋的訊號,來讓控制器判斷壓力值是否到 達,該伺服節能多迴路控制系統包含有控制器、動力組 所構成,該控制器,係控制動力組的構件,可輸出訊號 控制動力組進行諸多分流的單一動作與同一動作的合流 作用;該動力組,係由第一動力單元、第二動力單元、 表單編號A0101 第4頁/共12頁 0992006126-0 201127603 第三動力單元所組成’其第一動力單元、第二動力單元 、第三動力單元係控制機器作動的組件者。 本發明利用壓力回饋的訊號,來讓控制器判斷所回 饋的壓力值是否到達,若是壓力值不足則動力組所屬之 動力單元同時作壓力給予的動作,此時則為合流狀態, 若是壓力值到達則可讓動力組之單一動力單元做壓力保 持的動作此時則為分流狀態者。 【實施方式】 [0004] ❹ 〇 099103264 本發明之伺服節能多迴路控制系統,〔請參閱第一 圖〕其包括控制器(i)、動力組(2)所構成;其中 * .. 控制器(1) ’係控制動力組(2)的構件,可輸 出訊號控制動力組⑵進行諸多分流的單一動作與同 —動作的合流作用; 動力組(2),係由第一動力單元(21)、第二 動力單元(2 2)、第三動力單元(2 3 )所組成,其 第—動力單元(2 1)、第二動力單元(22)、第三 動力單元(2 3 )係、控制機器作動的組件,其動力組( 2 )可依據機器的操作需求’來設置動力單元所组成數 量者。 使用貫靶伺服節能多迴路控制系統時,〔請參閲第 1〕首先於射出機上設置動力組(2)之第一動力單 凡(21)、第二動力單元(22)、第三動力單元( 2 3) ’分別與儲料(3)、開模(4)、托模(5) 的動作相組合’當射出機於分流狀態,控制器(丄)欲 控= 儲料(3)的動作時,則控制器( 0992006126-0 表早編號麵 第5頁/共12頁 了弟勤力 201127603 單几(2 1 )發出做儲料(3 )動作的壓力訊號,讓第 -動力單元(2 1 )進行儲料(3)的動作,則儲料( 3)會將接收到壓力訊號反饋給第一動力單元(2工) ,若控制器(1 )同時控制開模(4)、托模(5)的 動作時,則控制器(η會對第二動力單元(22)、 第三動力單it ( 2 3 )分別發出做開模(4 )、托模( 5)動作的壓力訊號,則開模(4)、托模(5)會將 接收到壓力訊號反饋給第二動力單元(22)、第三動 力單元(2 3),讓控制器(1 )可偵測所回饋的壓力 訊號,其每個動作的壓力訊號都不相同,使控制器(工 )可同時控制不同的動作,(請參閱第二圖〕當射出機 於合流狀態時,控制器(1 )對動力組(2)均發出模 具壓力產生(6)的壓力控制訊號,其第一動力單元( 21)、第二動力單元(22)、第三動力單元(23 )均對模具壓力產生(6 )進行壓力給㈣動作,則模 具壓力產生(6)會產生a力回饋的訊號,來讓控制器 (1)判斷鎖模壓力值是否到舞,若楚鎖模壓力值不足 則動力組(2)之第-動力單元(21)、第二動力單 疋(2 2)、第三動力單元(23)須同時持續對模具 壓力產生(6)作壓力給予的動作,〔請一併參閲第三 圖〕若鎖模壓力到達時,則控制器(1 )直接僅對第一 動力單兀(2 1 )作壓力輸出的壓力訊號,讓動力組( 2)之單一動力單元作模具壓力保持(7)的動作,則 動力組(2)之第二動力單元(22)、第三動力單元 (2 3)停止對模具壓力保持(7)的動作施予壓力, 099103264 以減少諸多的動力單元作過多壓力給予 表單編號Α0101 第6頁/共12頁 以達節省能量 0992006126-0 201127603 的目的者。 其優點在於,則壓力_的訊號,來讓控制哭( υ判斷所_的壓力值是達,若是動值^則 動力組(2 )所屬之動力單元同時作壓力給予的動作, =是壓力值到達财讓動力組之單—動力單元做壓力保 的動作’其餘㈣力單元則停止施予壓力的動作,此 種方式可使機器減少作動的能源。201127603 VI. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a servo energy-saving multi-loop control system, which comprises a controller and a power group, and is mainly used for the lock force of the injection molding machine, The power group can simultaneously apply the clamping force to the mold. When the clamping force reaches, the single-power unit of the power unit can be used to maintain the clamping pressure, and the remaining power units stop acting to achieve the purpose of energy saving. [Prior Art] According to the "large-scale multi-turn motor and multi-hydraulic oil pump plastic injection molding machine frequency conversion energy-saving control device", such as "Huaguoguo Patent Application No. 097209376, a large multi-group motor and multiple hydraulic oil pump plastic injection The molding machine frequency conversion energy-saving control device, the large plastic injection molding machine is provided with a plastic injection molding machine controller, so that the output end of the plastic injection molding machine is provided with a controller, the controller has a slope controller, a pressure proportional controller, and a flow proportional controller, and a motor speed controller and a proportional valve are connected at the output of the control unit, wherein the proportional valve is between the pressure proportional valve and the flow ratio, respectively, and between the motor speed controller and the proportional valve Parallel connection is provided with a plurality of sets of sequentially connected inverters, motors and hydraulic oil pumps, and a frequency converter controller is arranged in the frequency converter; wherein: the slope controller of the controller can make the plastic injection molding machine and the frequency conversion The slope of the driving action between the devices is consistent; the motor speed controller is respectively provided with lifting or multi-speed Select control to gas, pressure analog signal controller, flow analog signal controller and gain potentiometer; the lifting or multi-speed selection controller can be used to select any range speed to meet any requirements of injection molding; Form No. A0101 3 Page / Total 12 pages The pressure 0992006126-0 201127603 analog signal controller can receive and detect any range of pressure analog signals to output stability and the optimal speed required by the system to establish a stable system pressure value; the flow analog signal And the gain potential controller can receive and detect the analog signal in any range, and provide the inverter controller to the inverter through the operation, the function of comparing and amplifying and reducing the output value, so that the rotation speed can be automatically adjusted according to different requirements. The output of each motor and multiple hydraulic oil pumps achieves the best energy saving condition. Although the above components can monitor and control many hydraulic oil pumps at the same time, it is impossible to integrate many hydraulic oil pumps to drive the same action, and this method requires more energy. It is not easy to overhaul and operate. [Summary of the Invention] [0003] 09910 3264 The above-mentioned conventional technology can monitor and control many hydraulic oil pumps at the same time, but cannot integrate many hydraulic oil fruits to drive the same action, and this method requires more energy, and is not easy to be repaired and operated. The main purpose is to provide a servo energy-saving multi-loop control system, which uses the pressure feedback signal to let the controller judge whether the pressure value is reached. If the pressure value is insufficient, the power unit to which the power unit belongs is simultaneously given the pressure action, and if the pressure value arrives The single power unit of the power unit can be used for pressure maintenance, which can reduce the energy of the machine. For the purpose of the prior disclosure, the servo energy-saving multi-loop control system of the present invention uses the pressure feedback signal to The controller determines whether the pressure value is reached. The servo energy-saving multi-loop control system comprises a controller and a power group, and the controller controls the components of the power group, and can output a signal control power group to perform a plurality of single actions of shunting The combined action of the same action; the power group is driven by the first power Unit, second power unit, form number A0101 Page 4 / Total 12 pages 0992006126-0 201127603 The third power unit is composed of 'the first power unit, the second power unit, and the third power unit are the components that control the machine actuation. . The invention utilizes the pressure feedback signal to let the controller judge whether the pressure value fed back reaches, and if the pressure value is insufficient, the power unit to which the power group belongs is simultaneously given the pressure giving action, and at this time, the convergence state, if the pressure value arrives The action of allowing the single power unit of the power unit to perform pressure maintenance is now the state of the shunt. [Embodiment] [0004] 0004 〇 099103264 The servo energy-saving multi-loop control system of the present invention (see the first figure) comprises a controller (i) and a power group (2); wherein *.. controller 1) 'The components of the control power group (2) can output the signal control power group (2) to carry out the converging action of a single action and the same action of many shunts; the power group (2) is the first power unit (21), The second power unit (2 2) and the third power unit (23) are composed of a first power unit (2 1), a second power unit (22), a third power unit (23), and a control machine. The actuating component, whose power group (2) can set the number of power units according to the operational requirements of the machine. When using the target servo energy-saving multi-loop control system, [please refer to the first] firstly set the first power unit (21), the second power unit (22), and the third power of the power unit (2) on the injection machine. Unit (2 3) 'combines with the action of stock (3), mold open (4), and mold (5) respectively. 'When the injection machine is in the split state, the controller (丄) wants to control = stock (3) When the action, the controller (0992006126-0 table early numbered page 5 / total 12 pages of the brother's work 201127603 single (2 1) issued a pressure signal to do the storage (3) action, let the first power unit (2 1) When the stocking (3) is actuated, the stocking (3) will feed back the pressure signal to the first power unit (2 workers), if the controller (1) simultaneously controls the mold opening (4), When the die (5) is operated, the controller (n will press the second power unit (22) and the third power unit it (2 3 ) to perform the pressure of opening the mold (4) and the mold (5) respectively. Signal, the mold opening (4), the mold (5) will feedback the received pressure signal to the second power unit (22), the third power unit (23), so that the controller (1) can detect the The pressure signal of the feed has different pressure signals for each action, so that the controller (work) can control different actions at the same time (see the second figure). When the injection machine is in the merge state, the controller (1) is The power group (2) sends a pressure control signal for the mold pressure generation (6), and the first power unit (21), the second power unit (22), and the third power unit (23) generate pressure on the mold (6). When the pressure is given to (4), the mold pressure is generated (6), and a force feedback signal is generated to let the controller (1) judge whether the mold clamping pressure value is to dance. If the pressure value of the mold clamping is insufficient, the power group (2) The first-power unit (21), the second power unit (2 2), and the third power unit (23) must simultaneously perform pressure-giving action on the mold pressure generation (6), [please refer to the third Figure] If the clamping pressure is reached, the controller (1) directly presses the pressure signal of the pressure output of the first power unit (2 1 ), and allows the single power unit of the power unit ( 2) to maintain the mold pressure (7). Action, the second power unit (22) of the power group (2), the third power The unit (23) stops applying pressure to the mold pressure holding (7) action, 099103264 to reduce the number of power units for excessive pressure to give the form number Α0101 page 6 / total 12 pages to save energy 0992006126-0 201127603 The advantage is that the signal of pressure _ is used to control the crying (the pressure value of the judgment is _, if the value is ^, then the power unit to which the power group (2) belongs is simultaneously given the pressure, = The pressure value reaches the one of the concession power group—the power unit performs the pressure protection action. The remaining (four) force unit stops the action of applying pressure, which can reduce the energy of the machine.

综上所述’當知本發明具有新穎性,且本發明未見 之於任何刊物,當符合專利法第21、22條之規定。 唯乂上所迷者’僅為本發明之-較佳實施例而已, 當=能以之限定本發明之範圍。即大凡依本發明申請專 利範圍所作之均等變化與彳㈣,皆應域本發明專利涵 蓋之範圍内。 【圖式簡單說明】 [_ [圖:本發明之分流操作示意圖 第二圖:本發明之模具壓力產生操作•意;圖 第三圖:本發明之模㈣力保持操作碧意圖 【主要元件符號說明】 :丨丨…- [0006] 1 控制器 2 動力組 2 1 第一動力單元 2 2 第二動力單元 2 3 第三動力單元 3 儲料 4 開模 0 托模 6 模具壓力產生 7 模具壓力保持 Ο 0992006126-0 099103264 表單編號Α0101 第7頁/共12頁In summary, the invention is novel, and the invention is not found in any publication, and is in compliance with the provisions of Articles 21 and 22 of the Patent Law. It is only the preferred embodiment of the present invention, which is to be construed as limiting the scope of the invention. That is, the equivalent changes and 彳(4) of the patent application scope of the present invention are within the scope of the invention patent. [Simple description of the drawing] [_ [Fig. 2: Schematic diagram of the shunt operation of the present invention: the mold pressure generating operation of the present invention is intended; Fig. 3: the mold of the present invention (4) force maintaining the operation of the intention [main component symbol] Explanation] :丨丨...- [0006] 1 Controller 2 Power Group 2 1 First Power Unit 2 2 Second Power Unit 2 3 Third Power Unit 3 Stock 4 Open Mode 0 Support 6 Mold Pressure Generation 7 Mold Pressure Keep Ο 0992006126-0 099103264 Form number Α0101 Page 7 of 12

Claims (1)

201127603 七、申請專利範圍: 1 . 一種伺服節能多迴路控制系統,其包括控制器、動力組所 構成;其中: 控制器,係控制動力組的構件,可輸出訊號控制動力 組進行諸多分流的單一動作與同一動作的合流作用; 動力組,係由第一動力單元、第二動力單元、第三動 力單元所組成,其第一動力單元、第二動力單元、第三動 力單元係控制機器作動的組件; 藉由上述控制器可判斷所回饋的壓力值是否到達,若 是壓力值不足則動力組所屬之動力單元同時作壓力給予的 動作,此時則為合流狀態,若是壓力值到達,則可讓動力 組之單一動力單元做壓力保持的動作,此時,則為分流狀 態來達到節能之目的者。 2 .如申請專利範圍第1項所述伺服節能多迴路控制系統,其 中控制器,其控制器於合流狀態時,控制器對動力組均發 出模具壓力產生的壓力控制訊號,其第一動力單元、第二 動力單元、第三動力單元均對模具壓力產進行壓力給予的 動作,則模具壓力產所回饋的壓力訊號,若是鎖模壓力值 不足,則動力組之第一動力單元、第二動力單元、第三動 力單元須同時持續對模具壓力產生作壓力給予的動作,若 鎖模壓力到達時,則控制器直接僅對第一動力單元作壓力 輸出的壓力訊號,讓動力組之單一動力單元作模具壓力保 持的動作,則動力組之第二動力單元、第三動力單元停止 對模具壓力保持的動作施予壓力,以減少諸多動力單元作 過多壓力給予所損耗的能量者。 099103264 表單編號A0101 第8頁/共12頁 0992006126-0 201127603 3 .如申請專利範圍第1項所述飼服節能多迴路控制系統,其 中控制器,其控制器於分流狀態時,控制器欲控制儲料的 動作時,則控制器對第一動力單元發出做儲料動作的壓力 訊號,讓第一動力單元進行儲料的動作,則儲料會將接收 到壓力訊號反饋給第一動力單元,若控制器同時控制開模 、托模的動作時,則控制器會對第二動力單元、第三動力 單元分別發出做開模、托模動作的壓力訊號,則開模、托 模會將接收到壓力訊號反饋給第二動力單元、第三動力單 元,讓控制器可偵測所回饋的壓力訊號,其每個動作的壓 〇 力訊號都不相同,使控制器可同時控制不同的動作者。 4 .如申請專利範圍第1項所述伺服節能多迴路控制系統,其 中動力組,其動力組可依據機器的操作需求,來設置動力 單元所組成數量者。 〇 099103264 表單編號A0101 第9頁/共12頁 0992006126-0201127603 VII. Patent application scope: 1. A servo energy-saving multi-loop control system, which comprises a controller and a power group; wherein: the controller is a component of the control power group, and can output a signal control power group to perform a plurality of splits. The combination of the action and the same action; the power group is composed of the first power unit, the second power unit, and the third power unit, and the first power unit, the second power unit, and the third power unit control the machine to actuate The controller can determine whether the pressure value fed back is reached, and if the pressure value is insufficient, the power unit to which the power unit belongs is simultaneously given a pressure giving action, and at this time, it is a merge state, and if the pressure value arrives, The single power unit of the power unit performs the pressure maintaining action, and at this time, the shunt state is used to achieve the purpose of energy saving. 2. The servo energy-saving multi-loop control system according to claim 1, wherein the controller, when the controller is in the merge state, the controller sends a pressure control signal generated by the mold pressure to the power group, and the first power unit The second power unit and the third power unit all exert pressure on the pressure production of the mold, and the pressure signal fed back by the mold pressure production, if the clamping pressure value is insufficient, the first power unit and the second power of the power unit The unit and the third power unit must simultaneously continue to exert pressure on the mold pressure. If the mold clamping pressure arrives, the controller directly applies only the pressure signal of the pressure output to the first power unit, so that the single power unit of the power unit When the mold pressure is maintained, the second power unit and the third power unit of the power group stop applying pressure to the mold pressure holding operation, so as to reduce the energy loss of the plurality of power units for excessive pressure. 099103264 Form No. A0101 Page 8 / Total 12 Pages 0992006126-0 201127603 3. As for the energy-saving multi-loop control system of the feeding service according to Item 1, the controller, whose controller is in the shunt state, the controller wants to control During the operation of the stocking, the controller sends a pressure signal to the first power unit to perform the stocking action, and the first power unit performs the action of storing the material, and the stocking device feeds back the received pressure signal to the first power unit. If the controller simultaneously controls the operation of the mold opening and the mold, the controller will send a pressure signal for the mold opening and the mold movement to the second power unit and the third power unit, respectively, and the mold opening and the mold will receive the pressure signal. The pressure signal is fed back to the second power unit and the third power unit, so that the controller can detect the feedback pressure signal, and the pressure signals of each action are different, so that the controller can simultaneously control different actors. . 4. The servo energy-saving multi-loop control system described in claim 1 of the patent scope, wherein the power group, the power group can set the number of power units according to the operation requirements of the machine. 〇 099103264 Form No. A0101 Page 9 of 12 0992006126-0
TW99103264A 2010-02-04 2010-02-04 Servo energy saving multi - loop control system TWI397469B (en)

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DE3725167C2 (en) * 1986-07-30 2000-08-31 Toshiba Machine Co Ltd Method for controlling the mold locking and compression of a plastic of an injection molding machine injected in a mold space of an injection mold and injection molding machine
US5210698A (en) * 1991-01-18 1993-05-11 Cincinnati Milacron Inc. Servo control for molding machine
US6421577B1 (en) * 1997-02-12 2002-07-16 American Msi Corporation Injection mold mounted process control and data acquisition apparatus
JP3247319B2 (en) * 1997-08-26 2002-01-15 株式会社名機製作所 Method and device for controlling clamping pressure in direct pressure type clamping device
JP3423219B2 (en) * 1998-06-30 2003-07-07 株式会社名機製作所 Monitoring method and molding operation control device for disk substrate injection molding machine
TW568825B (en) * 2001-07-10 2004-01-01 Rung-Wei Jeng Intelligent iterative learning method for controlling filling and pressure-maintaining of injection molding device

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