JP2016223612A5 - - Google Patents
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- JP2016223612A5 JP2016223612A5 JP2015113253A JP2015113253A JP2016223612A5 JP 2016223612 A5 JP2016223612 A5 JP 2016223612A5 JP 2015113253 A JP2015113253 A JP 2015113253A JP 2015113253 A JP2015113253 A JP 2015113253A JP 2016223612 A5 JP2016223612 A5 JP 2016223612A5
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- JP
- Japan
- Prior art keywords
- fluid pressure
- actuator
- regeneration
- fluid
- valve
- 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.)
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- 239000012530 fluid Substances 0.000 claims description 38
- 230000001172 regenerating Effects 0.000 claims description 10
- 230000008929 regeneration Effects 0.000 claims 8
- 238000011069 regeneration method Methods 0.000 claims 8
Description
第1の発明は、流体圧アクチュエータに作動流体を供給するメイン流体圧ポンプと、メイン流体圧ポンプから流体圧アクチュエータへ供給される作動流体の流量を制御する操作弁と、流体圧アクチュエータの負荷側圧力室から排出される作動流体によって回転する回生モータ、回生モータに連結される回転電機、及び、回転電機によって発電された電力を貯める蓄電池を有する回生ユニットと、操作弁を介することなく回生モータに連結されるサブ流体圧ポンプと、サブ流体圧ポンプの吐出側と流体圧アクチュエータの反負荷側圧力室とを連通するアクチュエータアシスト通路と、を備えることを特徴とする。 A first invention includes a main fluid pressure pump that supplies a working fluid to a fluid pressure actuator, an operation valve that controls a flow rate of the working fluid supplied from the main fluid pressure pump to the fluid pressure actuator, and a load side of the fluid pressure actuator A regenerative motor that is rotated by a working fluid discharged from a pressure chamber, a rotating electric machine that is connected to the regenerative motor, a regenerative unit that has a storage battery that stores electric power generated by the rotating electric machine, and a regenerative motor that does not go through an operation valve. And a sub-fluid pressure pump to be connected, and an actuator assist passage that communicates the discharge side of the sub-fluid pressure pump and the anti-load side pressure chamber of the fluid pressure actuator.
Claims (5)
流体圧アクチュエータに作動流体を供給するメイン流体圧ポンプと、
前記メイン流体圧ポンプから前記流体圧アクチュエータへ供給される作動流体の流量を制御する操作弁と、
前記流体圧アクチュエータの負荷側圧力室から排出され回生弁を通じて導かれる作動流体によって回転する回生モータ、前記回生モータに連結される回転電機、及び、前記回転電機によって発電された電力を貯める蓄電池を有する回生ユニットと、
前記回生モータに連結されるサブ流体圧ポンプと、
前記操作弁を介することなく前記サブ流体圧ポンプの吐出側と前記流体圧アクチュエータの反負荷側圧力室とを連通するアクチュエータアシスト通路と、を備えることを特徴とするハイブリッド作業機の制御システム。 A control system for a hybrid work machine,
A main fluid pressure pump for supplying a working fluid to the fluid pressure actuator;
An operation valve for controlling the flow rate of the working fluid supplied from the main fluid pressure pump to the fluid pressure actuator;
A regenerative motor that is rotated by a working fluid that is discharged from a load-side pressure chamber of the fluid pressure actuator and guided through a regenerative valve; a rotary electric machine that is coupled to the regenerative motor; and a storage battery that stores electric power generated by the rotary electric machine. Regenerative unit,
A sub-fluid pressure pump coupled to the regenerative motor;
A control system for a hybrid working machine, comprising: an actuator assist passage that communicates the discharge side of the sub fluid pressure pump and the anti-load side pressure chamber of the fluid pressure actuator without passing through the operation valve .
前記コントローラは、前記回生制御を行っている間に前記流体圧アクチュエータの作動速度を上昇する指令を受けた場合には、前記サブ流体圧ポンプからの作動流体の供給を開始させることを特徴とする請求項1に記載のハイブリッド作業機の制御システム。 A controller for performing regeneration control by the regeneration unit;
The controller starts supply of the working fluid from the sub-fluid pressure pump when receiving a command to increase the operating speed of the fluid pressure actuator during the regeneration control. The hybrid work machine control system according to claim 1.
前記再生通路に設けられ、前記負荷側圧力室から排出される作動流体の一部を前記反負荷側圧力室へと導く再生弁と、をさらに備え、
前記再生弁は、前記回生弁の開弁に連動して開弁し、
前記アクチュエータアシスト通路を通じて前記サブ流体圧ポンプから供給される作動流体は、前記負荷側圧力室から前記再生弁を通じて導かれる作動流体とともに前記反負荷側圧力室に供給されることを特徴とする請求項1または2に記載のハイブリッド作業機の制御システム。 A regeneration passage communicating the load side pressure chamber and the anti-load side pressure chamber;
A regeneration valve that is provided in the regeneration passage and guides a part of the working fluid discharged from the load-side pressure chamber to the counter-load-side pressure chamber;
The regeneration valve is opened in conjunction with the opening of the regenerative valve,
The working fluid supplied from the sub fluid pressure pump through the actuator assist passage is supplied to the anti-load side pressure chamber together with the working fluid guided from the load side pressure chamber through the regeneration valve. The control system of the hybrid work machine as described in 1 or 2.
前記サブ流体圧ポンプの吐出側と前記第2流体圧アクチュエータとを連通する第2アクチュエータアシスト通路と、
前記第2アクチュエータアシスト通路に設けられ、前記サブ流体圧ポンプから前記第2流体圧アクチュエータに供給される作動流体の流量を制御する第2アクチュエータアシスト制御弁と、をさらに備えることを特徴とする請求項1から4の何れか一つに記載のハイブリッド作業機の制御システム。 A second fluid pressure actuator different from the fluid pressure actuator;
A second actuator assist passage communicating the discharge side of the sub fluid pressure pump and the second fluid pressure actuator;
And a second actuator assist control valve provided in the second actuator assist passage and configured to control a flow rate of a working fluid supplied from the sub fluid pressure pump to the second fluid pressure actuator. Item 5. The control system for a hybrid work machine according to any one of Items 1 to 4.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015113253A JP6149068B2 (en) | 2015-06-03 | 2015-06-03 | Hybrid work machine control system |
PCT/JP2016/066139 WO2016194934A1 (en) | 2015-06-03 | 2016-06-01 | Control system for hybrid work machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015113253A JP6149068B2 (en) | 2015-06-03 | 2015-06-03 | Hybrid work machine control system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2016223612A JP2016223612A (en) | 2016-12-28 |
JP2016223612A5 true JP2016223612A5 (en) | 2017-04-06 |
JP6149068B2 JP6149068B2 (en) | 2017-06-14 |
Family
ID=57440381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015113253A Expired - Fee Related JP6149068B2 (en) | 2015-06-03 | 2015-06-03 | Hybrid work machine control system |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6149068B2 (en) |
WO (1) | WO2016194934A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112064714B (en) * | 2020-08-26 | 2022-06-03 | 合肥工业大学 | Novel hydraulic excavator flow control system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5461234B2 (en) * | 2010-02-26 | 2014-04-02 | カヤバ工業株式会社 | Construction machine control equipment |
-
2015
- 2015-06-03 JP JP2015113253A patent/JP6149068B2/en not_active Expired - Fee Related
-
2016
- 2016-06-01 WO PCT/JP2016/066139 patent/WO2016194934A1/en active Application Filing
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