CN203322448U - State feedback type solenoid valve - Google Patents
State feedback type solenoid valve Download PDFInfo
- Publication number
- CN203322448U CN203322448U CN2013203824038U CN201320382403U CN203322448U CN 203322448 U CN203322448 U CN 203322448U CN 2013203824038 U CN2013203824038 U CN 2013203824038U CN 201320382403 U CN201320382403 U CN 201320382403U CN 203322448 U CN203322448 U CN 203322448U
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- state
- electromagnetic valve
- solenoid valve
- feedback
- type solenoid
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Abstract
The utility model discloses a state feedback type solenoid valve. The state feedback type solenoid valve comprises one or more solenoid valve units and is characterized by being at least provided with one set of signal outputting mechanism; each solenoid valve is provided with a valve plug feedback mechanism; each valve plug feedback mechanism comprises a connecting device which is tightly connected with an electromagnet inner push rod, as well as a feedback device which is arranged on the connecting device; the valve plug feedback mechanism is used for corresponding the state of the feedback device to the work state of a solenoid valve plug; the signal outputting mechanism comprises a position sensor and a signal output contact; the position sensor is arranged on the moving path of the corresponding feedback device; the work state of the solenoid valve plug, expressed by the feedback device, is sensed by the position sensor and is reflected in real time by a state output port of the signal outputting mechanism in an electric signal way via the signal outputting mechanism. The state feedback type solenoid valve is capable of directly reflecting the work state of the solenoid valve, thereby providing a basis for monitoring of a whole hydraulic system as well as problem analysis.
Description
Technical field
The utility model relates to technical field of hydraulic, is a kind of State Feedback Type solenoid valve specifically.
Background technique
At present, hydraulic system has been widely used in the systems such as speed governing in each water power plant.Large-scale, super-huge, Huge Power Station particularly, hydraulic system is the indispensable parts in these water power plants.Because large-scale, super-huge, giant water turbine generator set all have very important status in operation of power networks, be all generally electrical network main force power station, safe operation, the stable operation of electrical network is had a very important role.Once large-scale, super-huge, giant water turbine generator set is because Equipment produces fault, even accident will produce huge impact to whole electrical network, thereby affect safety, the stable operation of electrical network.
On the other hand, along with hydraulic control system extensive use in large-scale, super-huge, giant water turbine generator set, play all kinds of solenoid valves of control action in hydraulic control system, whether its spool action has normally directly had influence on the working properly of whole hydraulic system.The emergency shutdown solenoid valve on speed regulator particularly, can this solenoid valve working properly, directly had influence on speed regulator and control the water wheels unit and realize emergency shutdown.Therefore, how to judge whether these solenoid valves work, just become an emphasis problem can not be ignored.Especially for baroque hydraulic system, once break down, searching of its fault point will be a great loaded down with trivial details engineering, seriously delay the duration, affect working efficiency, bring hidden danger to the working stability of system and the continued reliability of normal operation.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of State Feedback Type solenoid valve, does easy transformation on the structure of existing solenoid valve, makes it to have the performance by the working state Real-time Feedback.
Described State Feedback Type solenoid valve, comprise one or more electromagnetic valve units, it is characterized in that: at least be provided with a set of signal output mechanism, each electromagnetic valve unit is all with the spool feedback mechanism; Described spool feedback mechanism comprises the connection set be fastenedly connected with the electromagnet inner push-rod, and on described connection set with feedback means, for the state with described feedback means to working state that should valve core of the electromagnetic valve; Described signal output mechanism comprises position transducer and signal output contact, described position transducer is arranged on the mobile route of corresponding feedback means, or mobile route one side of corresponding feedback means, for the spool working state that described feedback means is expressed, by described position transducer perception and by this signal output mechanism, in the electrical signal mode, react during by the state output end cause for gossip of signal output mechanism.
As optimized project, described connection set is provided with the hand push button be fixed as one with it, and described hand push button stretches out in the outer surface of described solenoid valve along the movement direction of described valve core of the electromagnetic valve from described connection set.
As a kind of embodiment, described connection set is a connecting rod, and its head end and described electromagnet inner push-rod are fastening, are installed with feedback means on connecting rod.
As the extension of above-described embodiment, described feedback means is fixedly sleeved in the external member of described connecting rod, and feedback means approaches described position transducer position and is provided with projective structure, for the state of opening or close at described valve core of the electromagnetic valve, triggers described position transducer.
As a kind of embodiment of position transducer, described position transducer is position limit switch, and described feedback means triggers the trip switch motion at the state of opening or close of described valve core of the electromagnetic valve.
As the another kind of embodiment of position transducer, described position transducer is optoelectronic switch, and described feedback means triggers this optoelectronic switch action at the state of opening or close of described valve core of the electromagnetic valve.
As another embodiment of position transducer, described position transducer is approach switch, and described feedback means triggers this approach switch action at the state of opening or close of described valve core of the electromagnetic valve, and described approach switch is dry reed-pipe or Hall element.
A kind of embodiment as the State Feedback Type solenoid valve, described State Feedback Type solenoid valve is provided with the described electromagnetic valve unit that a pair of structure is consistent, position is symmetrical, a pair of described electromagnetic valve unit shares described valve core of the electromagnetic valve, and the state of opening or close of described valve core of the electromagnetic valve triggers respectively the different conditions of described position transducer in a pair of described electromagnetic valve unit.
Another kind of embodiment as the State Feedback Type solenoid valve, described State Feedback Type solenoid valve is provided with the electromagnetic valve unit of a pair of position symmetry, only one of them electromagnetic valve unit is provided with the signal output mechanism, a pair of described electromagnetic valve unit shares described valve core of the electromagnetic valve, described valve core of the electromagnetic valve open or close state this signal output mechanism output status signal of single triggering only in a pair of described electromagnetic valve unit.
The utility model can directly reflect the working state of solenoid valve, for monitoring and the case study of whole hydraulic system provides foundation.The fault that has solved complicated hydraulic system detects problem and can give good real-time status monitoring.By the standard electric magnet valve is simply transformed, just can reflect the working state of solenoid valve.Simple in structure except having, failure rate is low, outside the characteristics of reliable in action, also has following characteristics:
1, reasonable in design, compact structure, the little installation of volume is easy to adjust.
2, good stability, reliable in action.
3, the new leakage of oil point do not increased.
4, provide manual-operating mechanism, after the use power supply of solenoid valve disappears, still can the manually-operable solenoid valve.
The accompanying drawing explanation
Fig. 1 is the utility model embodiment electromagnetic valve unit structural representation,
Fig. 2 is the utility model double ended type embodiment's structural representation,
Fig. 3 is simple type structural representation of the present utility model.
In figure: 1-socket, 2-dust cover, 3-feedback means, 4-hand push button, 5-connection set, 6-connecting thread cover, 7-signal output mechanism, 8-connection housing, 9-electromagnet spool, 10-electromagnet inner push-rod, 11-solenoid valve electromagnet, 12-valve core of the electromagnetic valve, 13-A end, 14-B end, 15-position transducer.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated: as shown in fig. 1, described State Feedback Type solenoid valve, comprise one or more electromagnetic valve units, at least be provided with a set of signal output mechanism 7, each electromagnetic valve unit is all with the spool feedback mechanism.
A kind of embodiment's electromagnetic valve unit as seen from the figure, comprise socket 1, dust cover 2, connection housing 8, connecting thread cover 6, solenoid valve iron core 9, electromagnet inner push-rod 10, solenoid valve electromagnet 11, described solenoid valve iron core 9 is surrounded by solenoid valve electromagnet 11, establish electromagnet inner push-rod 10 in solenoid valve iron core 9, solenoid valve iron core 9 outsides are threaded with connecting thread cover 6, it is to connect housing 8 that connecting thread overlaps 6 ends, socket 1 be connected housing 8 and fix.
As Fig. 1, described spool feedback mechanism comprises the connection set 5 be fastenedly connected with electromagnet inner push-rod 10, and on described connection set 5 with feedback means 3, for the state with described feedback means 3 to working state that should valve core of the electromagnetic valve 12; Described signal output mechanism 7 comprises position transducer 15 and signal output contact, described position transducer 15 is arranged on the mobile route of corresponding feedback means 3, or mobile route one side of corresponding feedback means 3, for the spool working state that described feedback means 3 is expressed, by described position transducer 15 perception and by this signal output mechanism 7, in the electrical signal mode, react during by the state output end cause for gossip of signal output mechanism.
As Fig. 1, as optimized project, described connection set 5 is provided with the hand push button 4 be fixed as one with it, and described hand push button 4 stretches out in the outer surface of described solenoid valve along the movement direction of described valve core of the electromagnetic valve 12 from described connection set 5.
As Fig. 1, as a kind of embodiment, described connection set 5 is connecting rods, and its head end and described electromagnet inner push-rod 10 are fastening, are installed with feedback means 3 on connecting rod.
As Fig. 1, extension as above-described embodiment, described feedback means 3 is fixedly sleeved in the external member of described connecting rod, and feedback means 3 approaches described position transducer 15 positions and is provided with projective structure, for the state of opening or close at described valve core of the electromagnetic valve 12, triggers described position transducer 15.
As Fig. 1, as a kind of embodiment of position transducer 15, described position transducer 15 is position limit switches, and described feedback means 3 triggers the trip switch motion at the state of opening or close of described valve core of the electromagnetic valve 12.
As the another kind of embodiment of position transducer 15, described position transducer 15 is optoelectronic switches, and described feedback means 3 triggers this optoelectronic switch action at the state of opening or close of described valve core of the electromagnetic valve 12.
As another embodiment of position transducer 15, described position transducer 15 is approach switchs, and described feedback means 3 triggers this approach switch action at the state of opening or close of described valve core of the electromagnetic valve 12, and described approach switch is dry reed-pipe or Hall element.
As Fig. 2, a kind of embodiment as the State Feedback Type solenoid valve, described State Feedback Type solenoid valve is provided with the described electromagnetic valve unit that a pair of structure is consistent, position is symmetrical, a pair of described electromagnetic valve unit shares described valve core of the electromagnetic valve 12, and the state of opening or close of described valve core of the electromagnetic valve 12 triggers respectively the different conditions of described position transducer 15 in a pair of described electromagnetic valve unit.
As Fig. 3, another kind of embodiment as the State Feedback Type solenoid valve, described State Feedback Type solenoid valve is provided with a pair of position symmetry, the inconsistent electromagnetic valve unit of structure, only one of them electromagnetic valve unit is provided with signal output mechanism 7, a pair of described electromagnetic valve unit shares described valve core of the electromagnetic valve 12, described valve core of the electromagnetic valve 12 open or close state these signal output mechanism 7 output status signals of single triggering only in a pair of described electromagnetic valve unit.Fig. 3 is that the utility model is simplified structure, can an end hand resetting, and an end signal output.
As Fig. 2, referring to Fig. 1, during original state, solenoid valve electromagnet 11 not electric, electromagnet inner push-rod 10, feedback means 3 be position in the drawings, the contact of position switch 7 is in opening state, position switch 7 output start signal.When the A of solenoid valve holds 13 electromagnet, obtain when electric, this end electromagnet inner push-rod 10, toward the 9 directions actions of electromagnet spool, promotes 9 actions of electromagnet spool, the commutation of electromagnetic valve work position.Because feedback means 3 and connection set 5, electromagnet inner push-rod 10 are linked to be integral body, now, along with electromagnet inner push-rod 10 moves together, after electromagnet inner push-rod 10 arrives charged working position, feedback means 3 is just in time position limit switch by embodiment in signal output mechanism 7(figure tightly) contact compress, as the position limit switch of signal output mechanism 7, in closed state, signal output mechanism 7 provides closure signal.Meanwhile, valve core of the electromagnetic valve 9 drives the electromagnet inner push-rod of B end 14 under the promotion of valve core of the electromagnetic valve, outwards mobile, drives the feedback tapered sleeve and also outwards moves, and now the position switch of B end 14 provides start signal.
When the control power supply of solenoid valve disappears, can be with manually operating solenoid valve and providing output signal.Its manner of execution is: manually push away the hand push button 4 of A end 13, electromagnet inner push-rod 10 and feedback means 3, along with the connection set of A end 13 moves, promote 9 actions of electromagnet spool.Now feedback means 3 compresses signal output mechanism 7 contacts of A end 13, and signal output mechanism 7 is in closed state, and position switch provides closure signal.Meanwhile, the electromagnet inner push-rod that valve core of the electromagnetic valve 12 drives B end 14 outwards moves, and drives feedback means and also outwards moves, and now the position switch of B end 14 provides start signal.
It is 13 identical that B holds 14 electromagnet energisings and manual work principle and A to hold.Thus, the utility model can well reflect the working state of solenoid valve, for monitoring and the case study of whole hydraulic system provides foundation.The fault that has solved complicated hydraulic system detects problem and can give good real-time status monitoring.
Claims (9)
1. a State Feedback Type solenoid valve, comprise one or more electromagnetic valve units, it is characterized in that: at least be provided with a set of signal output mechanism (7), each electromagnetic valve unit is all with the spool feedback mechanism; Described spool feedback mechanism comprises the connection set (5) be fastenedly connected with electromagnet inner push-rod (10), and on described connection set (5) with feedback means (3), for the state with described feedback means (3) to working state that should valve core of the electromagnetic valve (12); Described signal output mechanism (7) comprises position transducer (15) and signal output contact, described position transducer (15) is arranged on the mobile route of corresponding feedback means (3), or mobile route one side of corresponding feedback means (3), for the spool working state that described feedback means (3) is expressed, by described position transducer (15) perception and by this signal output mechanism (7), in the electrical signal mode, react during by the state output end cause for gossip of signal output mechanism.
2. State Feedback Type solenoid valve according to claim 1, it is characterized in that: described connection set (5) is provided with the hand push button (4) be fixed as one with it, and described hand push button (4) stretches out in the outer surface of described solenoid valve along the movement direction of described valve core of the electromagnetic valve (12) from described connection set (5).
3. State Feedback Type solenoid valve according to claim 1 and 2, it is characterized in that: described connection set (5) is a connecting rod, its head end and described electromagnet inner push-rod (10) are fastening, are installed with feedback means (3) on connecting rod.
4. State Feedback Type solenoid valve according to claim 3, it is characterized in that: described feedback means (3) is fixedly sleeved in the external member of described connecting rod, feedback means (3) approaches described position transducer (15) position and is provided with projective structure, for the state of opening or close at described valve core of the electromagnetic valve (12), triggers described position transducer (15).
5. State Feedback Type solenoid valve according to claim 1, it is characterized in that: described position transducer (15) is position limit switch, described feedback means (3) triggers the trip switch motion at the state of opening or close of described valve core of the electromagnetic valve (12).
6. State Feedback Type solenoid valve according to claim 1, it is characterized in that: described position transducer (15) is optoelectronic switch, described feedback means (3) triggers this optoelectronic switch action at the state of opening or close of described valve core of the electromagnetic valve (12).
7. State Feedback Type solenoid valve according to claim 1, it is characterized in that: described position transducer (15) is approach switch, described feedback means (3) triggers this approach switch action at the state of opening or close of described valve core of the electromagnetic valve (12), and described approach switch is dry reed-pipe or Hall element.
8. State Feedback Type solenoid valve according to claim 1, it is characterized in that: described State Feedback Type solenoid valve is provided with the described electromagnetic valve unit that a pair of structure is consistent, position is symmetrical, a pair of described electromagnetic valve unit shares described valve core of the electromagnetic valve (12), and the state of opening or close of described valve core of the electromagnetic valve (12) triggers respectively the different conditions of described position transducer (15) in a pair of described electromagnetic valve unit.
9. State Feedback Type solenoid valve according to claim 1, it is characterized in that: described State Feedback Type solenoid valve is provided with the electromagnetic valve unit of a pair of position symmetry, only one of them electromagnetic valve unit is provided with signal output mechanism (7), a pair of described electromagnetic valve unit shares described valve core of the electromagnetic valve (12), described valve core of the electromagnetic valve (12) open or close state this signal output mechanism (7) output status signal of single triggering only in a pair of described electromagnetic valve unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203824038U CN203322448U (en) | 2013-06-28 | 2013-06-28 | State feedback type solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203824038U CN203322448U (en) | 2013-06-28 | 2013-06-28 | State feedback type solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322448U true CN203322448U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203824038U Expired - Lifetime CN203322448U (en) | 2013-06-28 | 2013-06-28 | State feedback type solenoid valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN203322448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168307A (en) * | 2016-08-30 | 2016-11-30 | 山东钢铁股份有限公司 | A kind of remote control for manually handling hydraulicdirectional control valve |
| CN109149517A (en) * | 2018-10-31 | 2019-01-04 | 国家电网有限公司 | Electromagnetic valve protector, the system and method for forceful electric power power supply |
-
2013
- 2013-06-28 CN CN2013203824038U patent/CN203322448U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168307A (en) * | 2016-08-30 | 2016-11-30 | 山东钢铁股份有限公司 | A kind of remote control for manually handling hydraulicdirectional control valve |
| CN106168307B (en) * | 2016-08-30 | 2018-07-31 | 山东钢铁股份有限公司 | A kind of remote control apparatus for manually handle hydraulicdirectional control valve |
| CN109149517A (en) * | 2018-10-31 | 2019-01-04 | 国家电网有限公司 | Electromagnetic valve protector, the system and method for forceful electric power power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
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| CX01 | Expiry of patent term |