CN203906970U - Electromagnetic hydraulic regulating valve - Google Patents
Electromagnetic hydraulic regulating valve Download PDFInfo
- Publication number
- CN203906970U CN203906970U CN201420344042.2U CN201420344042U CN203906970U CN 203906970 U CN203906970 U CN 203906970U CN 201420344042 U CN201420344042 U CN 201420344042U CN 203906970 U CN203906970 U CN 203906970U
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- Prior art keywords
- hydraulic cylinder
- valve
- oil
- oil hydraulic
- guide pipe
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- Expired - Lifetime
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- 230000001105 regulatory effect Effects 0.000 title abstract description 5
- 239000003921 oil Substances 0.000 claims abstract description 65
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 6
- 239000010935 stainless steel Substances 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 239000000446 fuel Substances 0.000 claims description 28
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 238000002788 crimping Methods 0.000 claims description 7
- 230000011664 signaling Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 101000733752 Homo sapiens Retroviral-like aspartic protease 1 Proteins 0.000 description 11
- 102100033717 Retroviral-like aspartic protease 1 Human genes 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
An electromagnetic hydraulic regulating valve is characterized in that electromagnets are arranged at two ends of a hydraulic cylinder connected with a valve body through a bracket; oil valves are fixedly connected onto the electromagnets; inlets of the two oil valves are communicated mutually through a first oil guide pipe; outlets of the two oil valves are communicated with inside of the hydraulic cylinder through a second oil guide pipe and a third oil guide pipe; the first oil guide pipe, the second oil guide pipe, the third oil guide pipe and the hydraulic cylinder are filled with hydraulic oil; a permanent magnetic piston is mounted in the hydraulic cylinder; a rubber sealing piece is arranged between the permanent magnetic piston and the hydraulic cylinder; a stainless steel actuating rod is mounted at the bottom of the piston and fixedly connected with a valve rod; a displacement sensor is in signal connection with the actuating rod and a controller; and the controller is connected with the electromagnets through wires. The electromagnetic hydraulic regulating valve has the advantages as follows: the valve opening of the regulating valve is determined by a hydraulic oil distribution ratio of two ends of the permanent magnetic piston, so that the scale of the valve opening can be a smaller valve, and the opening accuracy of the valve is high; and the valve is controlled by electromagnetic force generated by an electromagnetic coil, the working is reliable, and the structure is simple.
Description
Technical field
The utility model provides a kind of modulating valve, specifically a kind of electromagnetic hydraulic pressure modulating valve.
Background technique
The valve that automatic control system is used at present mainly contains two kinds, solenoid valve, modulating valve.
Solenoid valve acts on valve closing member by the current switching of control electromagnet and carrys out control valve switch; Modulating valve is realized different apertures by the actuating mechanism controls spool action in coupling different dynamic source, and the power using by actuator is divided into electric control valve, pneumatic control valve and hydraulic adjusting valve.
The working principle of solenoid valve is that electric current produces electromagnetic force by electromagnetic coil, closure member is mentioned to valve open from valve seat; Otherwise when power-off, electromagnetic force disappears, spring handle closure member is pressed on valve seat, valve closing; Solenoid valve is not because there is no complicated mechanical structure, therefore control simple, only need energising, power-off, apply also comparatively extensively, but it can only have Push And Release two states, any opening degree in the middle of can not realizing, and open valve with close valve be all to complete moment, excessive velocities, easily causes the vibration of environment, therefore cannot be competent at a lot of occasion solenoid valves.
Modulating valve can be realized middle aperture arbitrarily, can be used for Flow-rate adjustment, and the actuator of current this valve adopts motor to drive more, coordinate reduction gear, this kind of valve operation is flexible, but due to its inner complicated mechanical structure, working life is lower, and difficulty of processing is also large; The protection problem that also will consider motor as excessive in valve resistance; Also have a kind of actuator to adopt the mode of hydraulic pressure, drive piston in oil hydraulic cylinder to realize the aperture of regulating valve by an oil hydraulic pump, the control of this mode to oil hydraulic pump and comparatively complicated to the control of switch direction transformation, very easily causes fault if dealt with improperly.
Summary of the invention
The purpose of this utility model is to provide a kind of electromagnetic hydraulic pressure modulating valve, and this modulating valve can be realized middle aperture arbitrarily, and the precision of aperture is high, uses reliable, simple in structure.
The technical solution of the utility model is: electromagnetic hydraulic pressure modulating valve, there is valve body, in valve body, be provided with and import and export the internal orifice being communicated with, on internal orifice, be pressed with the spool of flexible connection, on spool, be fixed with valve rod, it is characterized in that: support is housed on valve body, oil hydraulic cylinder is housed in support, controller and displacement transducer are housed on support, the two ends of oil hydraulic cylinder are respectively provided with an electromagnet, a wherein side magnetic force face of two electromagnet and the both ends of the surface of oil hydraulic cylinder are connected respectively, on the opposite side of two electromagnet, be all fixed with a fuel tap, iron plug and spring are housed respectively in two fuel taps, one end of spring and the crimping of fuel tap inwall, one end crimping of the other end of spring and iron plug, the entrance motion stops of the other end of iron plug and fuel tap connects, the entrance of two fuel taps is interconnected by the first oil guide pipe, the outlet of two fuel taps is by second, the 3rd oil guide pipe is respectively in two ends and the oil hydraulic cylinder internal communication of oil hydraulic cylinder, first, second, in the 3rd oil guide pipe and oil hydraulic cylinder, hydraulic oil is housed, the permanent magnetic piston being slidably connected is housed in oil hydraulic cylinder, between permanent magnetic piston and oil hydraulic cylinder, be provided with rubber seal, the seal and piston clamping, be slidably connected with the casing wall of oil hydraulic cylinder, stainless steel execution bar is equipped with in the bottom of piston, one end and the piston of carrying out bar are connected, the other end and the valve rod of carrying out bar are connected, the measurement component of described displacement transducer is connected with execution bar signal, displacement transducer is connected with controller signals by signaling line, controller is connected with electromagnet by electric wire.
Described controller has storage and puocessing module, current control module, control signal interface, feedback signal interface and power module, wherein storage and processing unit are connected with current control unit, control signal interface and feedback signal interface by datawire, and power module is electrically connected by electric wire and storage and processing unit, current control unit; Described displacement transducer is connected with storage and puocessing module by signaling line, and described electromagnet is connected with current control module by electric wire.
The utility model has the advantages that: the valve opening of modulating valve depends on the hydraulic oil distribution ratio at permanent magnetic piston two ends, and therefore the scale of valve opening can be less value, make the aperture precision of valve high; Produce electromagnetic force with electromagnetic coil and carry out control valve, its reliable operation, simple in structure.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model electromagnetic hydraulic pressure modulating valve;
Fig. 2 is A portion enlarged diagram in Fig. 1;
Electromagnet pole schematic diagram when Fig. 3 is the utility model electromagnetic hydraulic pressure modulating valve increase aperture;
Fig. 4 is the utility model electromagnetic hydraulic pressure modulating valve electromagnet pole schematic diagram while reducing aperture;
Fig. 5 is the controller architecture block diagram of the utility model electromagnetic hydraulic pressure modulating valve.
The outlet of the import of 1 Sealing, 2 oil hydraulic cylinders, 3 electromagnet, 4 first oil guide pipes, 5 iron plugs, 6 springs, 7 fuel taps, 8 pistons, 9 hydraulic oil, 10 execution bars, 11 second oil guide pipes, 12 the 3rd oil guide pipes, 13 pouring orifices, 14 electric wires, 15 controllers, 16 signaling lines, 17 supports, 18 displacement transducers, 19 valve rods, 20 spools, 21 valve bodies, 22 valves, 23 internal orifices, 24 valves in figure.
Embodiment:
Electromagnetic hydraulic pressure modulating valve, there is valve body 21, in valve body, be provided with and import 22, outlet 24 internal orifices that are communicated with 23, on internal orifice, be pressed with the spool 20 of flexible connection, on spool, be fixed with valve rod 19, can change flow in the gap control valve between spool and internal orifice by lifting valve rod, support 17 is housed on valve body, columniform oil hydraulic cylinder 2 is housed in support, controller 15 and displacement transducer 18 are housed on support, the two ends of oil hydraulic cylinder are respectively provided with an electromagnet 3, a wherein side magnetic force face of two electromagnet and the both ends of the surface of oil hydraulic cylinder are connected respectively, on the opposite side of two electromagnet, be all fixed with a fuel tap 7, iron plug 5 and spring 6 are housed respectively in two fuel taps, one end of spring and the crimping of fuel tap inwall, one end crimping of the other end of spring and iron plug, the entrance motion stops of the other end of iron plug and fuel tap connects, in fuel tap, be provided with the guide rod being connected, iron plug is provided with the guide rod hole corresponding with it with one end of spring crimping, iron plug utilizes guide rod hole to be sleeved on guide rod and is slidably connected with guide rod, the entrance of two fuel taps is interconnected by the first oil guide pipe 4, the outlet of two fuel taps is by the second oil guide pipe 11, the 3rd oil guide pipe 12 is respectively in two ends and the oil hydraulic cylinder internal communication of oil hydraulic cylinder, first, second, in the 3rd oil guide pipe and oil hydraulic cylinder, hydraulic oil 9 is housed, oil guide pipe is provided with pouring orifice 13, the permanent magnetic piston 8 being slidably connected is housed in oil hydraulic cylinder, permanent magnetic piston is the permanent magnet of a cheese, permanent magnetic piston top in this enforcement is the N utmost point, below is the S utmost point, driving the power plant of permanent magnetic piston is electromagnet, between permanent magnetic piston and oil hydraulic cylinder, be provided with rubber seal 1, the seal and piston clamping, be slidably connected with the casing wall of oil hydraulic cylinder, Sealing both can guarantee that piston freely moved up and down in oil hydraulic cylinder, can guarantee that again piston top and the hydraulic oil of below can not interpenetrate, stainless steel execution bar 10 (material model 1Cr18Ni9Ti) is equipped with in the bottom of piston, the execution bar of stainless steel can prevent from being magnetized by permanent magnetic piston, one end and the piston of carrying out bar are connected, the other end and the valve rod of carrying out bar are connected, the measurement component of described displacement transducer is connected with execution bar signal, displacement transducer is connected with controller signals by signaling line 16, what the utility model adopted is displacement sensor of variable capacitor, the tested parts moving grid of sensor and fixed grid are connected with execution bar and support respectively, obtain shift value according to the Capacity between two-plate in moving process with the rule of change in displacement, the advantage of capacitor grid transducer is that precision is high, the speed of reading numerical values is fast, described controller is connected with electromagnet by electric wire 14, and in the time of the electric current by positive and negative two kinds of directions respectively, electromagnet can produce the magnetic field of two kinds of directions.
Described controller has storage and puocessing module, current control module, control signal interface, feedback signal interface and power module, wherein storage and processing unit are connected with current control unit, control signal interface and feedback signal interface by datawire, and power module is electrically connected by electric wire and storage and processing unit, current control unit; Described displacement transducer is connected with storage and puocessing module by signaling line, described electromagnet is connected with current control module by electric wire, control signal interface is connected with external control devices by datawire with feedback signal interface, and described external control devices for example refers to: the equipment such as PCL controller, process control machine.
The working method of the utility model electromagnetic hydraulic pressure modulating valve is: external control devices gives controller target aperture data by control signal interface, whether the aperture signal contrast target aperture that controller feeds back by displacement transducer conforms to actual valve opening, as actual valve opening is less than target aperture, controller is exported forward current start signal to current control module by processing and memory module, current control module is to two electromagnet input forward currents, make the electromagnet of upper end produce suction to permanent magnetic piston, make the electromagnet of lower end produce repulsive force to permanent magnetic piston, simultaneously, two electromagnet produce suction to the iron plug in two fuel taps respectively, the elastic force that makes iron plug overcome spring leaves the entrance of fuel tap, now, two fuel taps are interconnected by the first oil guide pipe, with two fuel taps export be communicated with respectively second, the other end of the 3rd oil guide pipe respectively with oil hydraulic cylinder internal communication, be on piston, space in lower oil hydraulic cylinder is communicated with, make piston break away from the pressure limit of hydraulic oil in oil hydraulic cylinder, can be in the attraction force of two electromagnet, under repulsive force effect, move in oil hydraulic cylinder, the hydraulic oil of piston top is clamp-oned in the oil hydraulic cylinder of piston below, and carry out bar by the stainless steel being connected with piston and outside valve, pull valve core valve stem, the aperture of spool is increased, when the aperture signal constantly feeding back to when displacement transducer and target aperture are coincide, processing and memory module are exported shutdown signal immediately to current control module, current control module stops to electromagnet input current, iron plug in two fuel taps resets rapidly under the elastic force effect of spring, clogs the entrance of fuel tap, now, the two ends fuel tap entrance of the first oil guide pipe is all closed, path disappears, and the piston in oil hydraulic cylinder hovers over current location under the extruding of two ends hydraulic oil, has completed the adjustment of aperture, as actual valve opening is greater than target aperture, the processing of controller and memory module output back current start signal are to current control module, and current control module, to two electromagnet input back currents, moves down the permanent magnetic piston in oil hydraulic cylinder.
The utility model electromagnetic hydraulic pressure modulating valve has been inherited the advantage of solenoid valve, produce electromagnetic force by electromagnetic coil and carry out control valve, simple in structure, carry out the aperture of limiter valve by controlling fuel tap open and close, valve can be parked in arbitrarily in an aperture, the utility model electromagnetic hydraulic pressure modulating valve does not use the complicated mechanical structure such as motor, retarder, in the time of work, wear and tear little, life-span is longer, non-maintaining, solve flow control accuracy and required use problem high, occasion that valve function power large, life of valve is had relatively high expectations.
Claims (2)
1. electromagnetic hydraulic pressure modulating valve, has valve body, is provided with and imports and exports the internal orifice being communicated with in valve body, on internal orifice, be pressed with the spool of flexible connection, on spool, be fixed with valve rod, it is characterized in that: support is housed on valve body, oil hydraulic cylinder is housed in support, controller and displacement transducer are housed on support, the two ends of oil hydraulic cylinder are respectively provided with an electromagnet, a wherein side magnetic force face of two electromagnet and the both ends of the surface of oil hydraulic cylinder are connected respectively, on the opposite side of two electromagnet, be all fixed with a fuel tap, iron plug and spring are housed respectively in two fuel taps, one end of spring and the crimping of fuel tap inwall, one end crimping of the other end of spring and iron plug, the entrance motion stops of the other end of iron plug and fuel tap connects, the entrance of two fuel taps is interconnected by the first oil guide pipe, the outlet of two fuel taps is by second, the 3rd oil guide pipe is respectively in two ends and the oil hydraulic cylinder internal communication of oil hydraulic cylinder, first, second, in the 3rd oil guide pipe and oil hydraulic cylinder, hydraulic oil is housed, the permanent magnetic piston being slidably connected is housed in oil hydraulic cylinder, between permanent magnetic piston and oil hydraulic cylinder, be provided with rubber seal, the seal and piston clamping, be slidably connected with the casing wall of oil hydraulic cylinder, stainless steel execution bar is equipped with in the bottom of piston, one end and the piston of carrying out bar are connected, the other end and the valve rod of carrying out bar are connected, the measurement component of described displacement transducer is connected with execution bar signal, displacement transducer is connected with controller signals by signaling line, controller is connected with electromagnet by electric wire.
2. electromagnetic hydraulic pressure modulating valve according to claim 1, it is characterized in that: described controller has storage and puocessing module, current control module, control signal interface, feedback signal interface and power module, wherein storage and processing unit are connected with current control unit, control signal interface and feedback signal interface by datawire, and power module is electrically connected by electric wire and storage and processing unit, current control unit; Described displacement transducer is connected with storage and puocessing module by signaling line, and described electromagnet is connected with current control module by electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344042.2U CN203906970U (en) | 2014-06-25 | 2014-06-25 | Electromagnetic hydraulic regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344042.2U CN203906970U (en) | 2014-06-25 | 2014-06-25 | Electromagnetic hydraulic regulating valve |
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| Publication Number | Publication Date |
|---|---|
| CN203906970U true CN203906970U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420344042.2U Expired - Lifetime CN203906970U (en) | 2014-06-25 | 2014-06-25 | Electromagnetic hydraulic regulating valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN203906970U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534151A (en) * | 2014-12-31 | 2015-04-22 | 瑞安市东方阀门有限公司 | Electromagnetic valve with large caliber and low pressure difference |
| CN107289166A (en) * | 2017-08-16 | 2017-10-24 | 宁波艾迪西国际贸易有限公司 | A kind of shutoff valve |
| CN107990006A (en) * | 2017-11-24 | 2018-05-04 | 苏州喷声电子科技有限公司 | A kind of precise pressure regulating valve |
| CN110043694A (en) * | 2019-03-27 | 2019-07-23 | 杭州盛格信息技术有限公司 | Antifouling auxiliary agent dispenses valve group |
| US10421478B2 (en) * | 2016-08-08 | 2019-09-24 | Deere & Company | Hydraulic bi-directional flow switches |
| CN111911485A (en) * | 2020-08-12 | 2020-11-10 | 中石油西北联合管道有限责任公司 | Hydraulic servo control system, hydraulic servo control method, and readable storage medium |
-
2014
- 2014-06-25 CN CN201420344042.2U patent/CN203906970U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534151A (en) * | 2014-12-31 | 2015-04-22 | 瑞安市东方阀门有限公司 | Electromagnetic valve with large caliber and low pressure difference |
| CN104534151B (en) * | 2014-12-31 | 2017-02-22 | 瑞安市东方阀门有限公司 | Electromagnetic valve with large caliber and low pressure difference |
| US10421478B2 (en) * | 2016-08-08 | 2019-09-24 | Deere & Company | Hydraulic bi-directional flow switches |
| US11498608B2 (en) | 2016-08-08 | 2022-11-15 | Deere & Company | Hydraulic bi-directional flow switches |
| CN107289166A (en) * | 2017-08-16 | 2017-10-24 | 宁波艾迪西国际贸易有限公司 | A kind of shutoff valve |
| CN107990006A (en) * | 2017-11-24 | 2018-05-04 | 苏州喷声电子科技有限公司 | A kind of precise pressure regulating valve |
| CN110043694A (en) * | 2019-03-27 | 2019-07-23 | 杭州盛格信息技术有限公司 | Antifouling auxiliary agent dispenses valve group |
| CN111911485A (en) * | 2020-08-12 | 2020-11-10 | 中石油西北联合管道有限责任公司 | Hydraulic servo control system, hydraulic servo control method, and readable storage medium |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |