CN204573275U - A kind of detection and magnetic self-locking solenoid valve automatically - Google Patents
A kind of detection and magnetic self-locking solenoid valve automatically Download PDFInfo
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- CN204573275U CN204573275U CN201520178206.3U CN201520178206U CN204573275U CN 204573275 U CN204573275 U CN 204573275U CN 201520178206 U CN201520178206 U CN 201520178206U CN 204573275 U CN204573275 U CN 204573275U
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Abstract
The utility model relates to a kind of automatically detection and magnetic self-locking solenoid valve, described self-locking electromagnetic valve comprises master-control electromagnetic valve, magnetic self-locking device and be arranged on and be fixedly connected with mechanism between master-control electromagnetic valve and magnetic self-locking device, described master-control electromagnetic valve comprises main valve, valve body of main valve, valve core of main valve, main valve plunger, main valve static iron core, main valve coil, main valve valve pocket, main spool spring, stop block, main valve displacement bar and main valve controlling rod, spool is provided with in described valve body of main valve, described main valve static iron core, main valve plunger is arranged in main valve valve pocket, described main valve static iron core is arranged on the both sides of main valve plunger, described main spool spring is arranged between stop block and main valve plunger.This solenoid valve can detect automatically to valve switch state, can complete in power-off, unexpected dead electricity or system out of control when, keep the original working state of solenoid valve, and there is quick-make, cut off pipeline medium or power-off after continue to keep the function of system media flowing.
Description
Technical field
The utility model relates to a kind of solenoid valve, and particularly one detects and magnetic self-locking solenoid valve automatically, belongs to control apparatus technical field.
Background technique
Solenoid valve is as a kind of final control element of routine, apply very general at present in industrial and mining enterprise's production system, the function that conventional direct action solenoid valve is the most basic is: electromagnetic valve coil obtains electric, iron core is moved in static iron core adhesive, move iron core band movable pulley and overcome spring force and open valve, controlled medium circulation.When needs close valve, electromagnetic valve coil dead electricity, dynamic iron core band movable pulley throttle down under spring force, cuts off medium circulation, thus realizes controlling object.The solenoid valve of this conventional structure breaks down in control system, all cannot realize solenoid valve when the unexpected power-off of coil and the fault of solenoid valve own often to open, ensure that controlled medium normally circulates, equipment normally runs, this reduces working efficiency to a certain extent, and give the trouble brought that works normally, reduce the working life of solenoid valve.Therefore, a kind of new scheme of exigence solves the problems of the technologies described above.
Model utility content
The utility model is just for the technical problem existed in prior art, there is provided a kind of automatically to detect and magnetic self-locking solenoid valve, this solenoid valve can detect automatically to valve switch state, can complete in power-off, unexpected dead electricity or system out of control when, keep the original working state of solenoid valve, and continue the function keeping system media flowing after there is quick-make, cut-out pipeline medium or power-off, thus guarantee equipment, process system normally run.
To achieve these goals, the technical solution adopted in the utility model is as follows, a kind of detection and magnetic self-locking solenoid valve automatically, it is characterized in that, described self-locking electromagnetic valve comprises master-control electromagnetic valve, magnetic self-locking device and be arranged on and be fixedly connected with mechanism between master-control electromagnetic valve and magnetic self-locking device, described master-control electromagnetic valve comprises main valve, valve body of main valve, valve core of main valve, main valve plunger, main valve static iron core, main valve coil, main valve valve pocket, main spool spring, stop block, main valve displacement bar and main valve controlling rod 18, spool is provided with in described valve body of main valve, described main valve static iron core, main valve plunger is arranged in main valve valve pocket, described main valve static iron core is arranged on the both sides of main valve plunger, described main spool spring is arranged between stop block and main valve plunger.This automatically detects and magnetic self-locking electromagnetic valve device maintains original solenoid valve flexible movements, without the feature such as leaking outside and the response time is short, owing to adding self-locking device, the functional characteristic of device improves further, pass through detection means, achieve main control valve and open the function that rear self-locking device automatically locks main valve, and pass through status indicator lamp, self-locking device and main valve on off state can be instructed intuitively, easy-to-operat and maintenance, achieve the function that main valve also can keep valve opening state in the power-off state for a long time, reduce operating cost, save the energy, improve the Security of process system, be applicable to the operating mode of safety condition requirement harshness, this automatic detection circuit reflects the working state of self-locking device and main valve by tutorial light, and the special electromagnetic control valve unit of main valve automatic self-locking can be realized.
Improve as one of the present utility model, described magnetic self-locking device comprises self-locking device coil, iron core and locating stud are moved in self-locking static iron core, magnetic self-locking device, self-locking device cavity, self-locking spring, self-locking, described self-locking static iron core and self-locking are moved iron core and are all arranged in self-locking device cavity, described self-locking static iron core is arranged on the both sides that iron core is moved in self-locking, described self-locking spring is arranged on self-locking and moves below iron core, described locating stud is arranged on the top that iron core is moved in self-locking, and described self-locking device coil is arranged on the outside of self-locking device cavity.
Improve as one of the present utility model, above described master-control electromagnetic valve, be provided with pull box.
Improve as one of the present utility model, described magnetic self-locking solenoid valve also comprises proximity switch, and described proximity switch is arranged in main valve valve pocket.
Improve as one of the present utility model, described main valve controlling rod is provided with groove.
Relative to prior art, advantage of the present utility model is as follows, 1) this technological scheme overall construction design is ingenious, easy to operate, safe and reliable, easy accessibility; 2) this magnetic self-locking device when control system fault or accident power-off or electromagnetic valve coil fault, can keep the working state that solenoid valve is original; 3) this technological scheme can detect electromagnetic valve work state, and can realize the special electromagnetic control valve unit of automatic self-locking; 4) this technological scheme is by magnetic force automatic self-locking, without the need to manual intervention, ensures further to produce normal operation; 5) even if this technological scheme master-control electromagnetic valve power-off, also can ensure that main valve is often opened, controlled medium normally circulates, and extends the working life of main valve electromagnetic mechanism further; Self-locking device and main valve on off state have corresponding tutorial light display, convenient maintenance and operation; 6) this device has that structure is simple, flexible movements are reliable, cost is lower, long service life, replacing and the feature such as easy to maintenance, whole technological scheme is convenient to promote the use of on a large scale.
Accompanying drawing explanation
Fig. 1 detects and magnetic self-locking solenoid valve automatically;
Fig. 2 is proximity switch output switch parameter block diagram;
Fig. 3 is self-locking device electromagnetic coil circuit figure;
Fig. 4 is main valve on off state indicating circuit figure;
In figure: 1 main valve, 2 valve body of main valve, 3 valve core of main valve, 4 main valve plunger, 5 main valve static iron cores, 6 main valve coils, 7 main valve valve pockets, 8 main spool springs, 9 stop blocks, 10 main valve displacement bars, 11 self-locking device coils, 12 self-locking device static iron cores, 13 magnetic self-locking devices, 14 self-locking device cavitys, 15 self-locking springs, iron core is moved in 16 self-lockings, 17 locating studs, 18 main valve controlling rods, 19 are fixedly connected with mechanism, 20 pull boxes, 21 proximity switches, 22 tested metals.
Embodiment
In order to deepen understanding and cognition of the present utility model, below in conjunction with accompanying drawing the utility model be further described and introduce.
embodiment 1: see Fig. 1, a kind of detection and magnetic self-locking solenoid valve automatically, described self-locking electromagnetic valve comprises master-control electromagnetic valve, magnetic self-locking device and be arranged on and be fixedly connected with mechanism between master-control electromagnetic valve and magnetic self-locking device, described master-control electromagnetic valve comprises main valve 1, valve body of main valve 2, valve core of main valve 3, main valve plunger 4, main valve static iron core 5, main valve coil 6, main valve valve pocket 7, main spool spring 8, stop block 9, main valve displacement bar 10 and main valve controlling rod 18, be provided with spool 3 in described valve body of main valve, described main valve static iron core 5, main valve plunger 4 is arranged in main valve valve pocket 7, and described main valve static iron core 5 is arranged on the both sides of main valve plunger 4, and described main spool spring 8 is arranged between stop block 9 and main valve plunger 4, and described magnetic self-locking device comprises self-locking device coil 11, self-locking static iron core 12, magnetic self-locking device 13, self-locking device cavity 14, self-locking spring 15, iron core 16 and locating stud 17 are moved in self-locking, described self-locking static iron core 12 and self-locking are moved iron core 16 and are all arranged in self-locking device cavity, described self-locking static iron core is arranged on the both sides that iron core is moved in self-locking, described self-locking spring is arranged on self-locking and moves below iron core, described locating stud is arranged on the top that iron core is moved in self-locking, and described self-locking device coil is arranged on the outside of self-locking device cavity.This automatically detects and magnetic self-locking electromagnetic valve device maintains original solenoid valve flexible movements, without the feature such as leaking outside and the response time is short, owing to adding self-locking device, the functional characteristic of device improves further, pass through detection means, achieve main control valve and open the function that rear self-locking device automatically locks main valve, and pass through status indicator lamp, self-locking device and main valve on off state can be instructed intuitively, easy-to-operat and maintenance, achieve the function that main valve also can keep valve opening state in the power-off state for a long time, reduce operating cost, save the energy, improve the Security of process system, be applicable to the operating mode of safety condition requirement harshness.
embodiment 2: see Fig. 1, improve as one of the present utility model, be provided with pull box 20 above described master-control electromagnetic valve, described magnetic self-locking solenoid valve also comprises proximity switch 21, and described proximity switch is arranged in main valve valve pocket 7.All the other structures are identical with embodiment 1 with advantage.
embodiment 3: see Fig. 1, improve as one of the present utility model, described main valve controlling rod 18 is provided with groove 181.All the other structures are identical with embodiment 1 with advantage.
working principle is as follows:
See Fig. 1-Fig. 3, a kind of detection and magnetic self-locking solenoid valve automatically, this self-locking electromagnetic valve can testing state, and the special electromagnetic control valve unit of automatic self-locking can be realized, this valve is malfunctioning in control system, accident power-off, when valve body itself breaks down, can realize solenoid valve is normally open, ensures the circulation of controlled medium.When needs cut off medium circulation, solenoid valve again can quick closedown, cuts off pipeline medium, completion system predetermined function.This valve judges valve whether action by the position detecting dynamic iron core and spool, and has tutorial light to show to device and main valve on off state, the perfect further requirement of control and operation.
See Fig. 1, patent device comprises main control valve and magnetic self-locking device two-part, and main valve comprises valve body, valve pocket, electromagnetic mechanism, dynamic core assembly and valve core movement parts, Compress Spring, stop block, main valve displacement bar, main valve controlling rod and be arranged on the proximity switch of valve pocket inside.Valve body of main valve is imported and exported and is arranged in processing medium pipeline, main valve coil, static iron core, dynamic core assembly, Compress Spring, stop block is according to solenoid valve assembly technology normal mounting, wherein main valve displacement bar and main valve controlling rod rigid joint, groove port is had bottom main valve controlling rod, detection proximity switch is fixedly mounted on main valve valve pocket inwall, the tested metal of proximity switch 22 and dynamic iron core moving assembly rigid joint, main valve coil and proximity switch signaling line are drawn by terminal box, when main valve moves core assembly motion, spring compresses between dynamic iron core group boss and stop block.
Magnetic self-locking device comprises self-locking device coil, static iron core, dynamic core assembly, Compress Spring and locating stud composition.Electromagnetic coil, static iron core, dynamic iron core, the assembling of solenoid valve normal process pressed by the assemblies such as Compress Spring, wherein, locating stud and self-locking device move core assembly rigid joint, and self-locking device coil is often charged, now locating stud follow dynamic iron core group overcome under the effect of electromagnetic force spring force retraction, in Pre strained state.Once main valve is opened, self-locking position pin ejects immediately, auto-stopping lock main valve.
Master-control electromagnetic valve inside is provided with the proximity switch and lead-in wire that detect dynamic core assembly displacement, electromagnetic mechanism control bound switch, and proximity switch judges valve core of main valve whether action, and main valve controlling rod is used for positioning valve core of main valve, self-locking.Magnetic self-locking device and master-control electromagnetic valve one are installed, and magnetic self-locking device comprises electromagnetic mechanism, spring, locating stud.Before master-control electromagnetic valve is opened, magnetic self-locking device coil is often charged, now self-locking device moves iron core and drives locating stud to overcome spring force be Pre strained state, once master-control electromagnetic valve obtains electric opening, proximity switch detects tested metal 22, by switching circuit, and magnetic self-locking device coil losing electricity, the locating stud of self-locking device enters rapidly main valve controlling rod groove under spring force, plays the only lock effect to valve core of main valve position.Lock with magnetic force auto-stopping by detecting, no matter be the unexpected dead electricity of master-control electromagnetic valve, control system is malfunctioning, the failure and other reasons of valve body of main valve own, all can ensure that controlled medium normally circulates, and administration measure runs.When need of production master-control electromagnetic valve is closed, now, coercive magnetic force self-locking device coil obtains electric, and locating stud bounces back under dynamic core assembly overcomes the effect of spring force, again dead electricity is forced to main control valve coil, dynamic core assembly band movable valve plug throttle down under spring force.
As Fig. 2, proximity switch on-off model exports shown in block diagram: when the tested metal 22 of proximity switch 21 close to time, proximity switch 21 internal circuit is through over commutation, filtering, after amplification, go to carry out next step by NAMUR signal isolation and amplifier on-off model again to control, wherein output contact K0 and K1 is normally closed, and K1 and K2 often opens.
As figure, 3, shown in self-locking device coil control circuit figure: for self-locking device electromagnetic coil for 24VDC, K0 and K1 is owing to being normally closed point, so before main valve is not operating, latching valve is often charged always, and self-locking tutorial light Chang Liang, locating stud is retracted state, when main valve once open, proximity switch input exports the normally closed disconnection of K0 and K1, now, self-locking device coil losing electricity, self-locking tutorial light extinguishes, locating stud ejects under spring force, only lock main valve controlling rod.
As Fig. 4, shown in main valve on off state indicating circuit figure: when main valve is for before opening, proximity switch 21 and tested metal 22 away from, switching value isolation and amplifier contact K0, K1 are closed, and now to close tutorial light bright for 24V valve.When the controlled system requirements of main valve is opened, proximity switch and tested metal approach, switching value isolation and amplifier contact K1, K2 are closed, and K0, K1 disconnect, and now to open tutorial light bright for 24V valve.
In this technological scheme, magnetic self-locking device and master-control electromagnetic valve one are installed, before master-control electromagnetic valve is opened, it is often charged that magnetic self-locking device coil exports normally closed point by proximity switch, and now self-locking device moves core assembly and drives locating stud to overcome spring force be pretension contraction state.Once master-control electromagnetic valve is under the demand of technique and system, electromagnetic coil obtains electric, valve open, dynamic core assembly overcomes spring force displacement, and at this moment main valve proximity switch detects tested metal approach, is exported control magnetic self-locking device coil losing electricity by switching circuit, now, the dynamic core assembly loss of excitation of self-locking device, drives rapidly locating stud to enter rapidly main valve controlling rod groove under spring force, plays the only lock effect to valve core of main valve position.When producing and technology controlling and process needs master-control electromagnetic valve to close, now, coercive magnetic force self-locking device coil obtains electric, locating stud bounces back under dynamic core assembly overcomes the effect of spring force, again dead electricity is forced to main control valve coil, now, main valve moves core assembly band movable valve plug and closes master control valve under spring force, thus realizes process control needs.
As shown in Fig. 2-Fig. 4 circuit diagram, proximity switch isolation and amplifier device, main valve switch indication light, self-locking tutorial light is installed in the regulator cubicle of control room.Before main valve is not operating, K0 and K1 is normally closed for proximity switch isolation and amplifier switching value, and K1 and K2 often opens.So latching valve is often charged always, and self-locking tutorial light Chang Liang, main valve valve closes tutorial light Chang Liang; When main valve once open, proximity switch signal isolation and amplifier K0 and K1 often opens, and K1 and K2 is normally closed, and now, self-locking device coil losing electricity, self-locking tutorial light extinguishes, and tutorial light Chang Liang opened by main valve valve.
At least one in technical characteristics described in embodiment 2,3 and embodiment 1 can also combine by the utility model, form new mode of execution.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, equivalents done on the basis of technique scheme or the alternative scope all falling into the utility model claim and protect.
Claims (5)
1. one kind is detected and magnetic self-locking solenoid valve automatically, it is characterized in that, described self-locking electromagnetic valve comprises master-control electromagnetic valve, magnetic self-locking device and be arranged on and be fixedly connected with mechanism between master-control electromagnetic valve and magnetic self-locking device, described master-control electromagnetic valve comprises main valve, valve body of main valve, valve core of main valve, main valve plunger, main valve static iron core, main valve coil, main valve valve pocket, main spool spring, stop block, main valve displacement bar and main valve controlling rod, spool is provided with in described valve body of main valve, described main valve static iron core, main valve plunger is arranged in main valve valve pocket, described main valve static iron core is arranged on the both sides of main valve plunger, described main spool spring is arranged between stop block and main valve plunger.
2. one detects and magnetic self-locking solenoid valve automatically as claimed in claim 1, it is characterized in that: described magnetic self-locking device comprises self-locking device coil, self-locking static iron core, magnetic self-locking device, self-locking device cavity, self-locking spring, iron core and locating stud are moved in self-locking, described self-locking static iron core and self-locking are moved iron core and are all arranged in self-locking device cavity, described self-locking static iron core is arranged on the both sides that iron core is moved in self-locking, described self-locking spring is arranged on self-locking and moves below iron core, described locating stud is arranged on the top that iron core is moved in self-locking, described self-locking device coil is arranged on the outside of self-locking device cavity.
3. one detects and magnetic self-locking solenoid valve automatically as claimed in claim 2, it is characterized in that: be provided with pull box above described master-control electromagnetic valve.
4. one detects and magnetic self-locking solenoid valve automatically as claimed in claim 3, it is characterized in that: described magnetic self-locking solenoid valve also comprises proximity switch, and described proximity switch is arranged in main valve valve pocket.
5. one detects and magnetic self-locking solenoid valve automatically as claimed in claim 4, it is characterized in that: described main valve controlling rod is provided with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520178206.3U CN204573275U (en) | 2015-03-27 | 2015-03-27 | A kind of detection and magnetic self-locking solenoid valve automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520178206.3U CN204573275U (en) | 2015-03-27 | 2015-03-27 | A kind of detection and magnetic self-locking solenoid valve automatically |
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| CN204573275U true CN204573275U (en) | 2015-08-19 |
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| CN201520178206.3U Active CN204573275U (en) | 2015-03-27 | 2015-03-27 | A kind of detection and magnetic self-locking solenoid valve automatically |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980444A (en) * | 2018-08-30 | 2018-12-11 | 河南航天液压气动技术有限公司 | Rotating solenoid valve |
| CN109442091A (en) * | 2018-12-12 | 2019-03-08 | 宁波纽帕得机械有限公司 | A kind of locking solenoid directional control valve |
-
2015
- 2015-03-27 CN CN201520178206.3U patent/CN204573275U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980444A (en) * | 2018-08-30 | 2018-12-11 | 河南航天液压气动技术有限公司 | Rotating solenoid valve |
| CN109442091A (en) * | 2018-12-12 | 2019-03-08 | 宁波纽帕得机械有限公司 | A kind of locking solenoid directional control valve |
| CN109442091B (en) * | 2018-12-12 | 2024-05-07 | 宁波纽帕得机械有限公司 | Electromagnetic reversing valve with lock |
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