CN102434543A - Miniature electromagnetic pulse type hydraulic driving system - Google Patents
Miniature electromagnetic pulse type hydraulic driving system Download PDFInfo
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- CN102434543A CN102434543A CN2011104489988A CN201110448998A CN102434543A CN 102434543 A CN102434543 A CN 102434543A CN 2011104489988 A CN2011104489988 A CN 2011104489988A CN 201110448998 A CN201110448998 A CN 201110448998A CN 102434543 A CN102434543 A CN 102434543A
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Abstract
The invention relates to an electromagnetic pulse controlled hydraulic driving system, in particular to a miniature electromagnetic pulse type hydraulic driving system for miniature and compact application occasions. The miniature electromagnetic pulse type hydraulic driving system comprises an electromagnetic pulse plunger pump, a three-position four-way electromagnetic valve, an actuating mechanism and an oil tank, wherein the oil tank is arranged on the lateral surface of the electromagnetic pulse plunger pump and is respectively connected with the electromagnetic pulse plunger pump and a port T of the three-position four-way electromagnetic valve through oil pipes; the electromagnetic pulse plunger pump consists of an iron yoke, a coil, a movable piston, a guide sleeve, a support spring, a magnetic isolation ring, a support body, an oil outlet one-way valve, an oil inlet one-way valve and a pulse power supply; the oil outlet one-way valve is communicated with a port P of the three-position four-way electromagnetic valve; and other two ports of the three-position four-way electromagnetic valve are respectively communicated with an oil inlet and an oil outlet of the actuating mechanism. The hydraulic driving system not only has the advantages of compact structure, short transmission chain and high transmission efficiency, but also is capable of carrying out frequency-conversion control conveniently by utilizing pulse signals, and is suitable for being applied to miniature and compact occasions, such as mobile manipulator driving, humanoid robot joint driving and the like.
Description
Technical field
The present invention relates to a kind of magnetic-pulse controlled fluid pressure drive device, especially relate to micro electromagnetic pulsed hydraulic driving system miniature, the compact application occasion.
Background technique
At present; Hydraulic system is made up of fuel tank, motor, oil hydraulic pump, hydraulic control valve seat assembly, hydraulic pipe line etc. usually; Its working procedure: oil hydraulic pump produces high pressure oil and is transferred to actuator through solenoid directional control valve by pipeline under motor drags, externally done work by actuator.Its working method drags oil hydraulic pump by motor or motor and speed reducer combination, about 6.3MPa, 25MPa, 31MPa equal pressure, works.This traditional hydraulic station system architecture is huge, and inefficiency is difficult to be used in limited applications, space such as miniature, compactness.The U.S. YOUNG & FRANKLIN US6974115B2 of house journal discloses a kind of electric liquid actuator (Electro-hydrostatic actuator), and this system is made up of motor, two-way metering pump, control valve, hydraulic actuator etc., and this system produces hydraulic power by the two-way metering pump of motor driving; Directly promote hydraulic actuator work; Compact structure, but this device still adopts the two-way metering pump of motor driving, and power-weight ratio is lower; The motor and the control that drive oil hydraulic pump all are immersed in the fluid with electronic component; Sealed insulation performance to element and motor proposes requirements at the higher level, and cost is higher, safeguards inconvenient.
Summary of the invention
Huge in order to overcome existing hydraulic system structure, cost is high, the deficiency that transmission efficiency is low; The present invention provides a kind of micro electromagnetic pulsed hydraulic driving system; This hydraulic driving system is compact structure not only, and Transmitted chains is short, and transmission efficiency is high; And can utilize pulse signal to carry out VFC easily, be fit to be applied to like miniature, compact occasions such as mobile manipulator, robot joints drivings.
The present invention realizes through following measure:
Micro electromagnetic pulsed hydraulic driving system of the present invention; Comprise: electromagnetic type pulse plunger pump, three position four-way electromagnetic valve, actuator, fuel tank are formed; Its specialization is: described fuel tank is installed on electromagnetic type pulse plunger pump side face, is connected with three position four-way electromagnetic valve T mouth with electromagnetic type pulse plunger pump respectively through oil pipe; Electromagnetic type pulse plunger pump by the iron yoke, be installed in the inner coil of iron yoke, be positioned at moving piston that coil can move left and right, be positioned at the outer guide pin bushing of moving piston, be positioned at moving piston one or both ends supported spring, be embedded in magnetism resistent ring on the iron yoke inner ring, be used for fixing the support of iron yoke, the oil outlet one-way valve that is positioned at moving piston nose, filler opening one-way valve and the pulse power supply that is positioned at moving piston side form; The oil outlet one-way valve is communicated with three position four-way electromagnetic valve P mouth, and three position four-way electromagnetic valve is communicated with the oil inlet and outlet of actuator respectively for other two mouthfuls.
The micro electromagnetic pulsed hydraulic driving system of the invention described above; Described pulse power supply preferably adopts following technological scheme: include controller; The external direct current power supply that is in series, commutation diode, solid-state relay, and the fly-wheel diode that is in parallel with output terminal.
The micro electromagnetic pulsed hydraulic driving system of the invention described above; In order to feed back the multidate information of actuator; On the loop of actuator sensor is installed; The feedback signal of sensor feeds back to pulse power supply or controller, changes the flow size of hydraulic oil in the oil hydraulic circuit through the adjustment pulse signal frequency.
The micro electromagnetic pulsed hydraulic driving system of the invention described above, said actuator is respectively arranged with a hydraulic lock that prevents that hydraulic oil from refluxing on oil pipe line, and hydraulic lock can make executive component the long period remain on state of rest.
The micro electromagnetic pulsed hydraulic driving system of the invention described above, for security of system, actuator is respectively arranged with safety valve on oil pipe line; Perhaps, be provided with bypass valve in actuator into and out of between the oil pipe line.
Controller signals of the present invention produces alternating electromagnetic field through the solid-state relay control coil; Interact with the supported spring at moving piston two ends; Promote moving reciprocating motion of the pistons; Hydraulic oil gets into actuator through three position four-way electromagnetic valve, hydraulic lock by filler opening one-way valve entering compression chamber after moving piston pressurization, the status information of actuator arrives controller through sensor feedback.
The invention has the beneficial effects as follows:
Micro electromagnetic pulsed hydraulic driving system with motor and oil hydraulic pump integrated according to the linear electric motor principle be electromagnetic type pulse plunger pump; Need not Transmitted chains; Controller signals produces alternating magnetic field through the solid-state relay control coil; Promote the to-and-fro motion of moving piston, again to the conversion of hydraulic pressure ability, transformation efficiency is high from the electric energy to mechanical energy for the realization energy.
Controller changes the flow size of hydraulic oil in the oil hydraulic circuit through the adjustment pulse signal frequency.
Micro electromagnetic pulsed hydraulic driving system element is simple, and form structure is compact, and is with low cost, and installation, maintenance is convenient.
Description of drawings
Fig. 1 is the structure principle chart of invention.
Among the figure: 1. electromagnetic type pulse plunger pump, 2. three position four-way electromagnetic valve, 3. hydraulic lock, 4. bypass valve, 5. safety valve, 6. actuator; 7. sensor, 8. fuel tank, 9. oil outlet one-way valve, 10. support, 11. filler opening one-way valves, 12. supported springs; 13. magnetism resistent ring, 14. moving pistons, 15. coils, 16. iron yokes, 17. guide pin bushings; 18. fly-wheel diode, 19. commutation diodes, 20. tenminal blocks, 21. solid-state relays, 22. controllers.
Embodiment
Do bright specifically below in conjunction with accompanying drawing to the present invention.
With reference to Fig. 1; Micro electromagnetic pulsed hydraulic system of the present invention is made up of electromagnetic type pulse plunger pump (1), three position four-way electromagnetic valve (2), hydraulic lock (3), bypass valve (4), safety valve (5), actuator (6), sensor (7), fuel tank (8); Little volume fuel tank (8) is installed on electromagnetic type pulse plunger pump (1) side; Be connected with three position four-way electromagnetic valve (2) T mouth with electromagnetic type pulse plunger pump (1) respectively through oil pipe; Electromagnetic type pulse plunger pump (1) is by iron yoke (16), coil (15); Moving piston (14), supported spring (12), support (10), oil outlet one-way valve (9), filler opening one-way valve (11), guide pin bushing (17), magnetism resistent ring (13), fly-wheel diode (18), commutation diode (19), solid-state relay (21) and controller compositions such as (22); Electromagnetic type pulse plunger pump (1) is through tenminal block (20) external direct current power supply; Hydraulic oil is pressurizeed after oil outlet one-way valve (9) is connected to three position four-way electromagnetic valve (2) P mouth by electromagnetic type pulse plunger pump (1); Be connected to actuator (6) by three position four-way electromagnetic valve (2) through two hydraulic lock (3), sensor (7) feeds back to controller (22) with the state signal of actuator (6).
Controller (22) pulse signal is through the external power supply break-make of solid-state relay (21), commutation diode (19) control coil (15); Coil (15) inserts external power supply by tenminal block (20), coil (15) two ends parallel connection fly-wheel diode (18).
Coil (15) is installed in iron yoke (16) inside, and magnetism resistent ring (13) is embedded on iron yoke (16) inner ring, and iron yoke (16) is fixed on support (10) side.
Moving piston (14) produces to-and-fro motion down in alternating magnetic field and supported spring (12) effect that coil (15) produces, and fluid gets into compression chamber from filler opening one-way valve (11), is exported by the oil outlet one-way valve after piston (14) pressurizes through moving.
Hydraulic oil is transported to actuator (6) through three position four-way electromagnetic valve (2), hydraulic lock (3).
Bypass valve (4) is connected in parallel on actuator (6) oil hydraulic circuit two ends.
Two safety valves (5) are connected respectively to actuator (6) into and out of hydraulic fluid port.
Claims (7)
1. micro electromagnetic pulsed hydraulic driving system; Comprise: electromagnetic type pulse plunger pump (1), three position four-way electromagnetic valve (2), actuator (6), fuel tank (8) are formed; It is characterized in that: described fuel tank (8) is installed on electromagnetic type pulse plunger pump (1) side, is connected with three position four-way electromagnetic valve (2) T mouth with electromagnetic type pulse plunger pump (1) respectively through oil pipe; Electromagnetic type pulse plunger pump (1) is by iron yoke (16); Be installed in the inner coil (15) of iron yoke (16); Be positioned at the moving piston (14) that coil (15) can move left and right; Be positioned at the outer guide pin bushing (17) of moving piston; Be positioned at the supported spring (12) of moving piston (14) one or both ends; Be embedded in the magnetism resistent ring (13) on iron yoke (16) inner ring; The support (10) that is used for fixing iron yoke (16); Be positioned at the oil outlet one-way valve (9) of moving piston nose; Be positioned at the filler opening one-way valve (11) of moving piston side; And pulse power supply is formed; Oil outlet one-way valve (9) is communicated with three position four-way electromagnetic valve (2) P mouth, and three position four-way electromagnetic valve (2) is communicated with the oil inlet and outlet of actuator (6) respectively for other two mouthfuls.
2. micro electromagnetic pulsed hydraulic driving system according to claim 1; It is characterized in that: described pulse power supply includes controller (22); The external direct current power supply that is in series, commutation diode (19), solid-state relay (21), and the fly-wheel diode (18) that is in parallel with output terminal.
3. micro electromagnetic pulsed hydraulic driving system according to claim 1 is characterized in that: sensor (7) is installed on the loop of actuator (6), and the feedback signal of sensor (7) feeds back to pulse power supply.
4. micro electromagnetic pulsed hydraulic driving system according to claim 2 is characterized in that: sensor (7) is installed on the loop of actuator (6), and the feedback signal of sensor (7) feeds back to controller (22).
5. micro electromagnetic pulsed hydraulic driving system according to claim 1 and 2 is characterized in that: said actuator (6) is respectively arranged with a hydraulic lock (3) that prevents that hydraulic oil from refluxing on oil pipe line.
6. micro electromagnetic pulsed hydraulic driving system according to claim 1 and 2 is characterized in that: actuator (6) is respectively arranged with safety valve (5) on oil pipe line.
7. micro electromagnetic pulsed hydraulic driving system according to claim 1 and 2 is characterized in that: actuator (6) into and out of being provided with bypass valve (4) between the oil pipe line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104489988A CN102434543A (en) | 2011-12-29 | 2011-12-29 | Miniature electromagnetic pulse type hydraulic driving system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104489988A CN102434543A (en) | 2011-12-29 | 2011-12-29 | Miniature electromagnetic pulse type hydraulic driving system |
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| CN102434543A true CN102434543A (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104489988A Pending CN102434543A (en) | 2011-12-29 | 2011-12-29 | Miniature electromagnetic pulse type hydraulic driving system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022613A (en) * | 2014-06-18 | 2014-09-03 | 青岛大学 | Linear type electro-hydraulic |
| CN105715526A (en) * | 2014-12-23 | 2016-06-29 | 沃纳·鲁格 | Pumping System For Gaseous And Liquid Media |
| CN108980137A (en) * | 2018-09-29 | 2018-12-11 | 江苏金陵智造研究院有限公司 | A kind of executing agency of high response long-life high reliability |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4592533A (en) * | 1981-12-17 | 1986-06-03 | Edi System S.R.L. | Solenoid-operated two-way directional needle-valve, normally closed |
| CN86200316U (en) * | 1986-01-24 | 1986-11-26 | 方永川 | Quantitative electromagnetic pump |
| US4763872A (en) * | 1986-07-11 | 1988-08-16 | Diesel Kiki Co., Ltd. | Operating oil introduction type electromagnetic valve |
| EP1126203A1 (en) * | 2000-02-16 | 2001-08-22 | TGK Co., Ltd. | Solenoid pilot operated valve |
| JP2004316536A (en) * | 2003-04-16 | 2004-11-11 | Mikuni Corp | Fuel feeding device |
| CN1756053A (en) * | 2004-09-29 | 2006-04-05 | 张玉宝 | Reluctance type linear oscillating motor and its integrative application device and power supply method |
| CN202441677U (en) * | 2011-12-29 | 2012-09-19 | 济南大学 | Minisize electromagnetic pulse-type hydraulic driving system |
-
2011
- 2011-12-29 CN CN2011104489988A patent/CN102434543A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4592533A (en) * | 1981-12-17 | 1986-06-03 | Edi System S.R.L. | Solenoid-operated two-way directional needle-valve, normally closed |
| CN86200316U (en) * | 1986-01-24 | 1986-11-26 | 方永川 | Quantitative electromagnetic pump |
| US4763872A (en) * | 1986-07-11 | 1988-08-16 | Diesel Kiki Co., Ltd. | Operating oil introduction type electromagnetic valve |
| EP1126203A1 (en) * | 2000-02-16 | 2001-08-22 | TGK Co., Ltd. | Solenoid pilot operated valve |
| JP2004316536A (en) * | 2003-04-16 | 2004-11-11 | Mikuni Corp | Fuel feeding device |
| CN1756053A (en) * | 2004-09-29 | 2006-04-05 | 张玉宝 | Reluctance type linear oscillating motor and its integrative application device and power supply method |
| CN202441677U (en) * | 2011-12-29 | 2012-09-19 | 济南大学 | Minisize electromagnetic pulse-type hydraulic driving system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022613A (en) * | 2014-06-18 | 2014-09-03 | 青岛大学 | Linear type electro-hydraulic |
| CN105715526A (en) * | 2014-12-23 | 2016-06-29 | 沃纳·鲁格 | Pumping System For Gaseous And Liquid Media |
| CN108980137A (en) * | 2018-09-29 | 2018-12-11 | 江苏金陵智造研究院有限公司 | A kind of executing agency of high response long-life high reliability |
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Application publication date: 20120502 |