CN102808814A - Device for detecting inflation pressure of energy accumulator of hydraulic system on line - Google Patents
Device for detecting inflation pressure of energy accumulator of hydraulic system on line Download PDFInfo
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- CN102808814A CN102808814A CN2012103017698A CN201210301769A CN102808814A CN 102808814 A CN102808814 A CN 102808814A CN 2012103017698 A CN2012103017698 A CN 2012103017698A CN 201210301769 A CN201210301769 A CN 201210301769A CN 102808814 A CN102808814 A CN 102808814A
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Abstract
The invention discloses a device for detecting inflation pressure of an energy accumulator of a hydraulic system on line, which relates to the field of technical hydraulic systems and solves the technical problem of detection of the inflation pressure of hydraulic energy accumulators, and relates to a hydraulic system provided with a hydraulic energy accumulator. The device comprises an oil inlet/outlet control valve, an oil drainage control valve, an oil inlet/outlet operating valve and an oil drainage operating valve, wherein a pressure sensor is arranged on the hydraulic energy accumulator; both the oil inlet/outlet control valve and the oil drainage control valve are hydraulic control safety valves; both the oil inlet/outlet operating valve and the oil drainage operating valve are electromagnetic valves; the oil inlet/outlet operating valve is used for controlling the oil inlet/outlet control valve to be opened and closed; the oil drainage operating valve is used for controlling the oil drainage control valve to be opened and closed; the oil inlet/outlet control valve is used for controlling the connection and disconnection between a high-pressure oil source and the hydraulic energy accumulator of the hydraulic system; the oil drainage control valve is used for controlling the hydraulic energy accumulator to drain oil; and the pressure sensor is used for outputting the inflation pressure of the hydraulic energy accumulator. By the device, the inflation pressure of the hydraulic energy accumulator can be remotely detected on line.
Description
Technical field
The present invention relates to the hydraulic system technology, particularly relate to a kind of technology of charging pressure of accumulator on-line measuring device of hydraulic system.
Background technique
Hydraulic accumulator is the conventional device in the hydraulic system, because the variation of ambient temperature and the quality problems of accumulator self, hydraulic system needs often accumulator to be carried out the inflation pressure inspection.
As shown in Figure 2; Conventional hydraulic accumulator inflation pressure detection mode is: oil-feed stop valve SH1 is closed in manual work; Open the stop valve SH2 that drains the oil, wait oil in the hydraulic accumulator NXQ2 to put after, detect the mode of table M2 reading through the artificial observation inflation pressure; Know the inflation pressure in the hydraulic accumulator NXQ2; If the inflation pressure of hydraulic accumulator NXQ2 with regard to tonifying Qi, greater than just venting of setting valve, meets the setting valve scope of hydraulic system regulation less than setting valve until the inflation pressure of hydraulic accumulator NXQ2.
The mode of conventional employing manual detection hydraulic accumulator inflation pressure exists unhandy defective, is not suitable in the high-altitude especially, small space, dangerous occasion detect operation.
Summary of the invention
To the defective that exists in the above-mentioned existing technology, technical problem to be solved by this invention provides a kind of charging pressure of accumulator on-line measuring device that can carry out the hydraulic system of inflation pressure remote online detection to the hydraulic accumulator that moves in the hydraulic system.
In order to solve the problems of the technologies described above; The charging pressure of accumulator on-line measuring device of a kind of hydraulic system provided by the present invention; Relate to hydraulic system; Said hydraulic system is provided with hydraulic accumulator, fuel tank and high pressure fuel source, it is characterized in that: this device comprise the turnover oil control valve, the control valve of draining the oil, pass in and out oily operating valve, the operating valve of draining the oil;
Said hydraulic accumulator is provided with the pressure transducer that is used to detect its inflation pressure;
Said turnover oil control valve, the control valve of draining the oil are pilot safety valve, and a filler opening, an oil outlet, a hydraulic control hydraulic fluid port are respectively arranged;
The oily operating valve of said turnover, the operating valve of draining the oil are solenoid valve;
The filler opening of said turnover oil control valve is received the high pressure fuel source of hydraulic system, and the hydraulic oil that the oil outlet of turnover oil control valve is received hydraulic accumulator charges and discharge mouth, and receives the hydraulic control hydraulic fluid port of the control valve of draining the oil through the control throttle valve of draining the oil;
The hydraulic oil that the filler opening of the said control valve of draining the oil is received hydraulic accumulator charges and discharge mouth, and the oil outlet of the control valve of draining the oil is received the fuel tank of hydraulic system;
The oily operating valve of said turnover has a pressure hydraulic fluid port, a return opening, an actuator port; The pressure hydraulic fluid port that passes in and out oily operating valve is received the high pressure fuel source of hydraulic system; The return opening that passes in and out oily operating valve is received the fuel tank of hydraulic system, and the actuator port that passes in and out oily operating valve is received the hydraulic control hydraulic fluid port of turnover oil control valve through a turnover oil control throttle valve;
The said operating valve of draining the oil has a filler opening, an oil outlet, and the filler opening of the operating valve of draining the oil is received the hydraulic control hydraulic fluid port of the control valve of draining the oil, and the oil outlet of the operating valve of draining the oil is received the fuel tank of hydraulic system.
The charging pressure of accumulator on-line measuring device of hydraulic system provided by the invention; Utilize the oily operating valve of turnover, the work of the operating valve telecontrol of draining the oil hydraulic accumulator; And the inflation pressure through pressure transducer output hydraulic accumulator; Can carry out the inflation pressure remote online to the hydraulic accumulator that moves in the hydraulic system and detect, be particularly suitable for the high-altitude, underground, measurement space is narrow and small, manual operation is inconvenient or unsafe environment.
Description of drawings
Fig. 1 is the hydraulic diagram of charging pressure of accumulator on-line measuring device of the hydraulic system of the embodiment of the invention;
Fig. 2 is conventional hydraulic accumulator inflation pressure detection mode schematic representation.
Embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
As shown in Figure 1; The charging pressure of accumulator on-line measuring device of a kind of hydraulic system that the embodiment of the invention provided; Relate to hydraulic system; Said hydraulic system is provided with hydraulic accumulator NXQ1, fuel tank T and high pressure fuel source P, it is characterized in that: this device comprises turnover oil control valve CTV1, the control valve CTV2 that drains the oil, the oily operating valve CCF1 of turnover, operating valve CCF2 drains the oil;
Said hydraulic accumulator NXQ1 is provided with an inflation pressure detection table M1, and one be used to detect its inflation pressure pressure transducer IPA1;
Said turnover oil control valve CTV1, the control valve CTV2 that drains the oil are pilot safety valve, and a filler opening, an oil outlet, a hydraulic control hydraulic fluid port are respectively arranged;
The oily operating valve CCF1 of said turnover, the operating valve CCF2 that drains the oil are solenoid valve;
The filler opening of said turnover oil control valve CTV1 is received the high pressure fuel source P of hydraulic system; The hydraulic oil that the oil outlet of turnover oil control valve CTV1 is received hydraulic accumulator NXQ1 charges and discharge mouth, and receives the hydraulic control hydraulic fluid port of the control valve CTV2 that drains the oil through the control throttle valve ORI2 that drains the oil;
The hydraulic oil that said filler opening of draining the oil control valve CTV2 is received hydraulic accumulator NXQ1 charges and discharge mouth, and the oil outlet of the control valve CTV2 that drains the oil is received the fuel tank T of hydraulic system;
The oily operating valve CCF1 of said turnover has a pressure hydraulic fluid port, a return opening, an actuator port; The pressure hydraulic fluid port that passes in and out oily operating valve CCF1 is received the high pressure fuel source P of hydraulic system; The return opening that passes in and out oily operating valve CCF1 is received the fuel tank T of hydraulic system, and the actuator port that passes in and out oily operating valve CCF1 is received the hydraulic control hydraulic fluid port of turnover oil control valve CTV1 through a turnover oil control throttle valve ORI1;
The said operating valve CCF2 that drains the oil has a filler opening, an oil outlet, and the filler opening of the operating valve CCF2 that drains the oil is received the hydraulic control hydraulic fluid port of the control valve CTV2 that drains the oil, and the oil outlet of the operating valve CCF2 that drains the oil is received the fuel tank T of hydraulic system.
The working principle of the embodiment of the invention is following:
During the normal oil-filled oil extraction of hydraulic accumulator NXQ1, pass in and out oily operating valve CCF1, the equal dead electricity of operating valve CCF2 of draining the oil, the actuator port that pass in and out oily operating valve CCF1 this moment is communicated with return opening; The operating valve CCF2 that drains the oil ends; Pass in and out the hydraulic control hydraulic fluid port decompression of oil control valve CTV1 this moment, make to pass in and out the controlled conducting of oil control valve CTV1, the hydraulic oil of high pressure fuel source P flows into the hydraulic control hydraulic fluid port of the control valve CTV2 that drains the oil through turnover oil control valve CTV1, the control throttle valve ORI2 that drains the oil; Make and to drain the oil that control valve CTV2 is controlled to be ended; This moment, the hydraulic oil of high pressure fuel source P got into hydraulic accumulator NXQ1 through turnover oil control valve CTV1, and NXQ1 is oil-filled for hydraulic accumulator, when needs hydraulic accumulator NXQ1 fuel feeding; High pressure oil in the hydraulic accumulator NXQ1 is through turnover oil control valve CTV1 output, thus the normal function of realization accumulator.
When needing to detect the inflation pressure of hydraulic accumulator NXQ1; The oily operating valve CCF1 of turnover is got; Make the actuator port of the oily operating valve CCF1 of turnover be communicated with the pressure hydraulic fluid port; The hydraulic oil of high pressure fuel source P promptly flows into the hydraulic control hydraulic fluid port of turnover oil control valve CTV1 through the oily operating valve CCF1 of turnover, make turnover controlled ending of oil control valve CTV1, and then the operating valve CCF2 that drains the oil must be conducted; The hydraulic control hydraulic fluid port decompression of the feasible control valve CTV2 that drains the oil; The also controlled immediately conducting of the control valve CTV2 that drains the oil, hydraulic accumulator NXQ1 is through the fuel tank T of control valve CTV2 oil extraction to the hydraulic system of draining the oil, after the oil in the hydraulic accumulator NXQ1 has been arranged at this moment; Pressure transducer IPA1 on the hydraulic accumulator NXQ1 promptly exports the inflation pressure signal of hydraulic accumulator NXQ1 to external measurement devices; Thereby the remote online of realizing charging pressure of accumulator detects, and makes the oily operating valve CCF1 of turnover, the equal dead electricity of operating valve CCF2 of draining the oil after detection finishes, and can make hydraulic accumulator NXQ1 return to normal working state.
The embodiment of the invention can be carried out the inflation pressure remote online to the hydraulic accumulator that moves in the hydraulic system and detected; And to not influence of the normal operation of hydraulic system; Accomplished zero internal leakage; Control electromagnetic valve is only charged when measuring inflation pressure, and long-time running is not charged, be particularly suitable for the high-altitude, underground, measurement space is narrow and small, manual operation is inconvenient or unsafe environment.
Claims (1)
1. the charging pressure of accumulator on-line measuring device of a hydraulic system; Relate to hydraulic system; Said hydraulic system is provided with hydraulic accumulator, fuel tank and high pressure fuel source, it is characterized in that: this device comprise the turnover oil control valve, the control valve of draining the oil, pass in and out oily operating valve, the operating valve of draining the oil;
Said hydraulic accumulator is provided with the pressure transducer that is used to detect its inflation pressure;
Said turnover oil control valve, the control valve of draining the oil are pilot safety valve, and a filler opening, an oil outlet, a hydraulic control hydraulic fluid port are respectively arranged;
The oily operating valve of said turnover, the operating valve of draining the oil are solenoid valve;
The filler opening of said turnover oil control valve is received the high pressure fuel source of hydraulic system, and the hydraulic oil that the oil outlet of turnover oil control valve is received hydraulic accumulator charges and discharge mouth, and receives the hydraulic control hydraulic fluid port of the control valve of draining the oil through the control throttle valve of draining the oil;
The hydraulic oil that the filler opening of the said control valve of draining the oil is received hydraulic accumulator charges and discharge mouth, and the oil outlet of the control valve of draining the oil is received the fuel tank of hydraulic system;
The oily operating valve of said turnover has a pressure hydraulic fluid port, a return opening, an actuator port; The pressure hydraulic fluid port that passes in and out oily operating valve is received the high pressure fuel source of hydraulic system; The return opening that passes in and out oily operating valve is received the fuel tank of hydraulic system, and the actuator port that passes in and out oily operating valve is received the hydraulic control hydraulic fluid port of turnover oil control valve through a turnover oil control throttle valve;
The said operating valve of draining the oil has a filler opening, an oil outlet, and the filler opening of the operating valve of draining the oil is received the hydraulic control hydraulic fluid port of the control valve of draining the oil, and the oil outlet of the operating valve of draining the oil is received the fuel tank of hydraulic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301769.8A CN102808814B (en) | 2012-08-23 | 2012-08-23 | The charging pressure of accumulator on-line measuring device of hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301769.8A CN102808814B (en) | 2012-08-23 | 2012-08-23 | The charging pressure of accumulator on-line measuring device of hydraulic system |
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| Publication Number | Publication Date |
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| CN102808814A true CN102808814A (en) | 2012-12-05 |
| CN102808814B CN102808814B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210301769.8A Expired - Fee Related CN102808814B (en) | 2012-08-23 | 2012-08-23 | The charging pressure of accumulator on-line measuring device of hydraulic system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117759607A (en) * | 2023-12-28 | 2024-03-26 | 江苏龙源振华海洋工程有限公司 | Method and system for measuring flow characteristics of liquid filling and discharging of energy accumulator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57195901A (en) * | 1981-05-29 | 1982-12-01 | Toshiba Corp | Pressurized oil system |
| JP2004176808A (en) * | 2002-11-27 | 2004-06-24 | Kayaba Ind Co Ltd | Hydraulic feeding system |
| JP2008133848A (en) * | 2006-11-27 | 2008-06-12 | Shin Caterpillar Mitsubishi Ltd | System for measuring quantity of liquid accumulated in accumulator |
| CN202140374U (en) * | 2011-05-05 | 2012-02-08 | 刘瑞川 | Multifunctional fatigue testing machine for energy accumulator |
| CN202203216U (en) * | 2011-08-28 | 2012-04-25 | 武汉威明德科技发展有限公司 | Automatic electrohydraulic proportional control test system of accumulator |
| CN202255742U (en) * | 2011-09-09 | 2012-05-30 | 刘瑞川 | Gas pressure test device for maintenance-free energy accumulator |
| CN202833429U (en) * | 2012-08-23 | 2013-03-27 | 上海汇益控制系统股份有限公司 | Energy accumulator inflation pressure online testing device of hydraulic system |
-
2012
- 2012-08-23 CN CN201210301769.8A patent/CN102808814B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57195901A (en) * | 1981-05-29 | 1982-12-01 | Toshiba Corp | Pressurized oil system |
| JP2004176808A (en) * | 2002-11-27 | 2004-06-24 | Kayaba Ind Co Ltd | Hydraulic feeding system |
| JP2008133848A (en) * | 2006-11-27 | 2008-06-12 | Shin Caterpillar Mitsubishi Ltd | System for measuring quantity of liquid accumulated in accumulator |
| CN202140374U (en) * | 2011-05-05 | 2012-02-08 | 刘瑞川 | Multifunctional fatigue testing machine for energy accumulator |
| CN202203216U (en) * | 2011-08-28 | 2012-04-25 | 武汉威明德科技发展有限公司 | Automatic electrohydraulic proportional control test system of accumulator |
| CN202255742U (en) * | 2011-09-09 | 2012-05-30 | 刘瑞川 | Gas pressure test device for maintenance-free energy accumulator |
| CN202833429U (en) * | 2012-08-23 | 2013-03-27 | 上海汇益控制系统股份有限公司 | Energy accumulator inflation pressure online testing device of hydraulic system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117759607A (en) * | 2023-12-28 | 2024-03-26 | 江苏龙源振华海洋工程有限公司 | Method and system for measuring flow characteristics of liquid filling and discharging of energy accumulator |
| CN117759607B (en) * | 2023-12-28 | 2024-05-14 | 江苏龙源振华海洋工程有限公司 | Method and system for measuring flow characteristics of liquid filling and discharging of energy accumulator |
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| CN102808814B (en) | 2015-10-21 |
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Granted publication date: 20151021 Termination date: 20180823 |
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