CN102808814B - The charging pressure of accumulator on-line measuring device of hydraulic system - Google Patents
The charging pressure of accumulator on-line measuring device of hydraulic system Download PDFInfo
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- CN102808814B CN102808814B CN201210301769.8A CN201210301769A CN102808814B CN 102808814 B CN102808814 B CN 102808814B CN 201210301769 A CN201210301769 A CN 201210301769A CN 102808814 B CN102808814 B CN 102808814B
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- draining
- accumulator
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Abstract
A charging pressure of accumulator on-line measuring device for hydraulic system, relates to technology hydraulic system field, and what solve is the technical problem that hydraulic accumulator inflation pressure detects.Relate to the hydraulic system being provided with hydraulic accumulator, this device comprise turnover oil control valve, control valve of draining the oil, pass in and out oily operating valve, operating valve of draining the oil; Described hydraulic accumulator is provided with pressure transducer; Described turnover oil control valve, control valve of draining the oil are pilot safety valve, and described turnover oil operating valve, operating valve of draining the oil are solenoid valve; Utilize the oily operating valve of turnover to control the break-make of turnover oil control valve, utilize operating valve of draining the oil to control to drain the oil the break-make of control valve; Utilize the break-make between the high pressure fuel source of turnover oil control valve hydraulic control system and hydraulic accumulator; Utilization control valve hydraulic control accumulator of draining the oil is drained the oil; Utilize the inflation pressure of pressure transducer output hydraulic pressure accumulator.Device provided by the invention, can carry out the detection of inflation pressure remote online to hydraulic accumulator.
Description
Technical field
The present invention relates to 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 hydraulic system, and due to the change of ambient temperature and the quality problems of accumulator self, hydraulic system needs often to carry out inflation pressure inspection to accumulator.
As shown in Figure 2, conventional hydraulic accumulator inflation pressure detection mode is: artificial closedown oil-feed stop valve SH1, open the stop valve SH2 that drains the oil, after discharging Deng the oil in hydraulic accumulator NXQ2, the mode of table M2 reading is detected by artificial observation inflation pressure, know the inflation pressure in hydraulic accumulator NXQ2, if the inflation pressure of hydraulic accumulator NXQ2 is less than setting valve with regard to tonifying Qi, be greater than setting valve just venting, until the inflation pressure of hydraulic accumulator NXQ2 meets the setting range that hydraulic system specifies.
The mode of conventional employing manual detection hydraulic accumulator inflation pressure also exists unhandy defect, is not suitable in high-altitude especially, small space, dangerous occasion carry out detection operation.
Summary of the invention
For the defect existed in above-mentioned prior art, technical problem to be solved by this invention is to provide 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 run in 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, described hydraulic system is provided with hydraulic accumulator, fuel tank and high pressure fuel source, it is characterized in that: this device comprise turnover oil control valve, control valve of draining the oil, pass in and out oily operating valve, operating valve of draining the oil;
Described hydraulic accumulator is provided with the pressure transducer for detecting its inflation pressure;
Described turnover oil control valve, control valve of draining the oil are pilot safety valve, respectively have a filler opening, oil outlet, a hydraulic control hydraulic fluid port;
The oily operating valve of described turnover, operating valve of draining the oil are solenoid valve;
The filler opening of described turnover oil control valve receives the high pressure fuel source of hydraulic system, and the oil outlet of turnover oil control valve receives the hydraulic oil charge and discharge mouth of hydraulic accumulator, and drains the oil through one and control the hydraulic control hydraulic fluid port that control valve of draining the oil received by throttle valve;
The filler opening of described control valve of draining the oil receives the hydraulic oil charge and discharge mouth of hydraulic accumulator, and the oil outlet of control valve of draining the oil receives the fuel tank of hydraulic system;
The oily operating valve of described turnover has a pressure oil port, return opening, an actuator port, the pressure oil port passing in and out oily operating valve receives the high pressure fuel source of hydraulic system, the return opening passing in and out oily operating valve receives the fuel tank of hydraulic system, and the actuator port passing in and out oily operating valve controls through a turnover oil hydraulic control hydraulic fluid port that turnover oil control valve received by throttle valve;
Described operating valve of draining the oil has a filler opening, an oil outlet, and the filler opening of operating valve of draining the oil receives the hydraulic control hydraulic fluid port of control valve of draining the oil, and the oil outlet of operating valve of draining the oil receives 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 operating valve telecontrol of draining the oil hydraulic accumulator, and pass through the inflation pressure of pressure transducer output hydraulic pressure accumulator, the detection of inflation pressure remote online can be carried out to the hydraulic accumulator run in hydraulic system, be particularly suitable for high-altitude, underground, measurement space is narrow and small, manual operation is inconvenient or unsafe environment.
Accompanying drawing explanation
Fig. 1 is the hydraulic diagram of the charging pressure of accumulator on-line measuring device of the hydraulic system of the embodiment of the present invention;
Fig. 2 is conventional hydraulic charging pressure of accumulator detection mode schematic diagram.
Embodiment
Illustrate below in conjunction with accompanying drawing and be described in further detail embodiments of the invention, but the present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar change thereof, all should list 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 present invention provides, relate to hydraulic system, described 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, passes in and out oily operating valve CCF1, drain the oil operating valve CCF2;
Described hydraulic accumulator NXQ1 is provided with an inflation pressure detection table M1, and one for detecting the pressure transducer IPA1 of its inflation pressure;
Described turnover oil control valve CTV1, the control valve CTV2 that drains the oil are pilot safety valve, respectively have a filler opening, oil outlet, a hydraulic control hydraulic fluid port;
The oily operating valve CCF1 of described turnover, the operating valve CCF2 that drains the oil are solenoid valve;
The filler opening of described turnover oil control valve CTV1 receives the high pressure fuel source P of hydraulic system, the oil outlet of turnover oil control valve CTV1 receives the hydraulic oil charge and discharge mouth of hydraulic accumulator NXQ1, and drains the oil through one and control the hydraulic control hydraulic fluid port that throttle valve ORI2 receives the control valve CTV2 that drains the oil;
Described filler opening of draining the oil control valve CTV2 receives the hydraulic oil charge and discharge mouth of hydraulic accumulator NXQ1, and the oil outlet of the control valve CTV2 that drains the oil receives the fuel tank T of hydraulic system;
The oily operating valve CCF1 of described turnover has a pressure oil port, return opening, an actuator port, the pressure oil port passing in and out oily operating valve CCF1 receives the high pressure fuel source P of hydraulic system, the return opening passing in and out oily operating valve CCF1 receives the fuel tank T of hydraulic system, and the actuator port passing in and out oily operating valve CCF1 controls through a turnover oil hydraulic control hydraulic fluid port that throttle valve ORI1 receives turnover oil control valve CTV1;
The described 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 receives 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 receives the fuel tank T of hydraulic system.
The working principle of the embodiment of the present invention is as follows:
During the normal oil-filled oil extraction of hydraulic accumulator NXQ1, pass in and out oily operating valve CCF1, to drain the oil the equal dead electricity of operating valve CCF2, the actuator port now passing in and out oily operating valve CCF1 is communicated with return opening, the operating valve CCF2 that drains the oil ends, now pass in and out the hydraulic control hydraulic fluid port decompression of oil control valve CTV1, make the controlled conducting of turnover oil control valve CTV1, the hydraulic oil of high pressure fuel source P is by turnover oil control valve CTV1, drain the oil and control the hydraulic control hydraulic fluid port that throttle valve ORI2 flows into the control valve CTV2 that drains the oil, make the controlled cut-off of control valve CTV2 of draining the oil, now the hydraulic oil of high pressure fuel source P enters hydraulic accumulator NXQ1 by turnover oil control valve CTV1, for hydraulic accumulator NXQ1 is oil-filled, when needs hydraulic accumulator NXQ1 fuel feeding, high pressure oil in hydraulic accumulator NXQ1 is exported by turnover oil control valve CTV1, thus realize the normal function of accumulator.
When needing the inflation pressure detecting hydraulic accumulator NXQ1, turnover oil operating valve CCF1 is first made to obtain electric, the actuator port passing in and out oily operating valve CCF1 is communicated with pressure oil port, namely the hydraulic oil of high pressure fuel source P flow into the hydraulic control hydraulic fluid port of turnover oil control valve CTV1 by the oily operating valve CCF1 of turnover, make the controlled cut-off of turnover oil control valve CTV1, and then the operating valve CCF2 that makes to drain the oil must conduct, make to drain the oil the hydraulic control hydraulic fluid port decompression of control valve CTV2, to drain the oil control valve CTV2 also controlled conducting immediately, now hydraulic accumulator NXQ1 is by the fuel tank T of control valve CTV2 oil extraction to hydraulic system that drain the oil, after oil in hydraulic accumulator NXQ1 is drained, the inflation pressure signal of the pressure transducer IPA1 on hydraulic accumulator NXQ1 and output hydraulic pressure accumulator NXQ1 is to external measurement devices, thus the remote online realizing charging pressure of accumulator detects, turnover oil operating valve CCF1 is made after detection, to drain the oil the equal dead electricity of operating valve CCF2, hydraulic accumulator NXQ1 can be made to return to normal working state.
The embodiment of the present invention can carry out the detection of inflation pressure remote online to the hydraulic accumulator run in hydraulic system, and the normal operation of hydraulic system is not affected, accomplish zero internal leakage, Controlling solenoid valve is only charged when measuring inflation pressure, long-time running is not charged, is particularly suitable for 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, comprise hydraulic system, described hydraulic system is provided with hydraulic accumulator, fuel tank and high pressure fuel source, it is characterized in that: this device comprise turnover oil control valve, control valve of draining the oil, pass in and out oily operating valve, operating valve of draining the oil;
Described hydraulic accumulator is provided with the pressure transducer for detecting its inflation pressure;
Described turnover oil control valve, control valve of draining the oil are pilot safety valve, respectively have a filler opening, oil outlet, a hydraulic control hydraulic fluid port;
The oily operating valve of described turnover, operating valve of draining the oil are solenoid valve;
The filler opening of described turnover oil control valve receives the high pressure fuel source of hydraulic system, and the oil outlet of turnover oil control valve receives the hydraulic oil charge and discharge mouth of hydraulic accumulator, and drains the oil through one and control the hydraulic control hydraulic fluid port that control valve of draining the oil received by throttle valve;
The filler opening of described control valve of draining the oil receives the hydraulic oil charge and discharge mouth of hydraulic accumulator, and the oil outlet of control valve of draining the oil receives the fuel tank of hydraulic system;
The oily operating valve of described turnover has a pressure oil port, return opening, an actuator port, the pressure oil port passing in and out oily operating valve receives the high pressure fuel source of hydraulic system, the return opening passing in and out oily operating valve receives the fuel tank of hydraulic system, and the actuator port passing in and out oily operating valve controls through a turnover oil hydraulic control hydraulic fluid port that turnover oil control valve received by throttle valve;
Described operating valve of draining the oil has a filler opening, an oil outlet, and the filler opening of operating valve of draining the oil receives the hydraulic control hydraulic fluid port of control valve of draining the oil, and the oil outlet of operating valve of draining the oil receives 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102808814A CN102808814A (en) | 2012-12-05 |
| CN102808814B true 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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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***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***股份有限公司 | Energy accumulator inflation pressure online testing device of hydraulic system |
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| CN102808814A (en) | 2012-12-05 |
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