CN103759062A - Multi-point magnetic valve position signal output device of nuclear safety-level electromagnetic stop valve - Google Patents
Multi-point magnetic valve position signal output device of nuclear safety-level electromagnetic stop valve Download PDFInfo
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- CN103759062A CN103759062A CN201310726099.9A CN201310726099A CN103759062A CN 103759062 A CN103759062 A CN 103759062A CN 201310726099 A CN201310726099 A CN 201310726099A CN 103759062 A CN103759062 A CN 103759062A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
- F16K31/082—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet using a electromagnet and a permanent magnet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
Abstract
The invention discloses a multi-point magnetic valve position signal output device of a nuclear safety-level electromagnetic stop valve. The multi-point magnetic valve position signal output device of the nuclear safety-level electromagnetic stop valve comprises a magnetic plate, a connecting base plate, a connecting plate, a static iron core, a signal pad, a signal rod, a signal bottom plate, a signal position regulating pad, a signal body, a reed pipe, a small housing, and an upper cover and a permanent magnet. The small housing is in thread connection with a main valve sleeve, and the joint is sealed through argon arc welding. The bottom end of the small housing is fixed on the static iron core of a main valve, the signal rod is mounted in the small housing, one end of the signal rod is connected with a movable iron core of the main valve while the other end is provided with the permanent magnet for triggering the reed pipe out of the housing. Two signal bodies are mounted at the outside of the small housing, and each signal body is provided with three reed pipes through pouring. One of the reed pipes in two signal bodies is mounted on the valve open position of the permanent magnet on the signal rod through the signal regulating pad while the other is mounted at the valve close position through the signal regulating pad. The multi-point magnetic valve position signal output device of the nuclear safety-level electromagnetic stop valve uses the advanced magnetic transmission technology and multi-point structure, so that the multi-point magnetic valve position signal output device of the nuclear safety-level electromagnetic stop valve is safe and reliable, is small in volume, is light in weight and is high in corrosion resistance and radiation resistance.
Description
Technical field
The present invention relates to electromagnetic driven stop valve technology, particularly relate to nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus.
Background technique
Electromagnetic driven stop valve is a kind of important pipeline fittings being widely used in the pipe-line systems such as nuclear power field, petrochemical industry and field of metallurgy and control system, with connection, blocking-up or the commutation of its pilot line medium.Electromagnetic driven stop valve is compared with other classification valve, its great advantage is exactly that it is all enclosed in all moving elements in pressure-bearing shell without leaking outside, and is guaranteeing without when leaking outside, also brought and the open and close position of spool directly cannot have been fed back to pressure-bearing shell outside, cannot monitor real valve position.Along with scientific and technological development, the raising of modernization level of control and electromagnetic driven stop valve application site significance in system strengthens, electromagnetic driven stop valve in some important field and occasion use necessarily requires valve position to export exactly (as a CAP1400 nuclear power generating sets heap exhaust electromagnetic driven stop valve), to realize, to the true monitoring of valve position and to whole electromagnetic driven stop valve, realize telecontrol, therefore work out a kind of technology that can truly feed back electromagnetic driven stop valve valve position and be very important.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus is provided, this valve is not changing traditional electromagnetic driven stop valve without leak outside advantage in the situation that, provide a kind of real multi-point valve position signal, with safety, realize the monitoring to whole electromagnetic driven stop valve valve position state reliably.At aspects such as structure, selections, also to consider to meet high temperature, high-pressure medium condition simultaneously; Meet anti-vibration, impact, seismic condition; Meet high humidity, high heat, high radiation and there is reactor loss of-coolant accident (LOCA) operating mode (LOCA) and pipe breakage accident conditions (MSLB) condition of certain external pressure.
The technological scheme adopting is:
Nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus, comprises concentrating flux plate, the second connection backing plate, gland nut, connecting plate, static iron core, secondary signal pad, signal pole, signal base plate, signal positioning pad, signal body, dry reed-pipe, nut, little housing, first signal pad, upper cover, the first connection backing plate, permanent magnet.Between described little housing and main valve housing, adopt and be threaded, with the needs of proof strength, joint adopts argon arc seal weld, to guarantee the needs of sealing, guarantee high-temperature high-pressure medium in pressure-bearing shell without leaking outside.Little housing is fixed on its bottom on the static iron core of main valve, in little housing, signal pole is installed, and one end of signal pole is connected with the moving iron core of main valve, and the other end is provided with permanent magnet, for triggering the dry reed-pipe outside housing.Described little housing outside is provided with two signal bodies, and 3 dry reed-pipes of embedding on each signal body trigger to realize multi-point, guarantee the safety and reliability of signal output.By signal spacer, the dry reed-pipe in two signal bodies is placed in respectively to driving valve position and closing valve position of permanent magnet on signal pole, guarantees that signal pole triggers different dry reed pipe driving valve and close two positions of valve.Valve position signal output unit adopts the safeguard structure of electromagnetic driven stop valve body aspect security level, by little housing, concentrating flux plate, connecting plate, upper cover, formed, between each part, be provided with Sealing, guarantee that its security level under the environmental conditionss such as high temperature, high-pressure medium condition and high humidity, Gao Re and LOCA can reach IP68 (being waterproof).Described formation nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus.
Between above-mentioned permanent magnet and signal pole, adopt stainless steel cage rolling technology, guarantee not come off under moving condition.The encapsulation of dry reed-pipe and signal body adopts the embedding of epoxy resin low temperature, and intermediate temperature setting technique, is firmly secured in signal body dry reed-pipe, guarantees that appearance intensity and inner inert gas do not leak under the conditions such as vibration, earthquake, and then realizes long-life target.Between lead-in wire and dry reed-pipe, is connected and adopts specific cards cover crimping form, assurance firm and reliable connection.After signal base plate, signal positioning pad, signal body are shaped, are inserted in little housing, and utilize single nut to compress, and be provided with locking measure in nut upper end, guarantee that position fixes, firm and durable, can prevent that the mal-conditions such as vibration, impact, earthquake from exerting an influence to it.Upper cover, main valve shell, connecting plate connect with a plurality of screws, are provided with Sealing groove between each part, and assurance is contained in the first connection backing plate in groove, the second connection backing plate Sealing is indeformable under interior pressure, external pressure condition, thereby guarantees the sealability that it is intrinsic.
Above-mentioned permanent magnet utilizes the penetrable performance in magnetic field of advanced magnetic transmission technology, signal pole location status is successfully outputed to outside pressure-bearing shell, and utilize the closure of reed switch contact and disconnection that this signal is outputed to operating console, form passive contact signal, realizing truly, the function of remote monitoring valve position reliably.
The quantity of above-mentioned dry reed-pipe increases to a plurality of, realizes Redundancy Design.In each signal body, be packaged with at least 3 dry reed-pipes that specifications and models are consistent, make this device all realize multiple spot output driving valve position and close valve position, if exist one or two dry reed-pipes to lose efficacy, this device still can guarantee its inherent function and true valve position signal is reliably exported.
Above-mentioned little housing and main valve housing unite two into one, and form whole pressure-bearing shell; Signal pole adopts and is threaded with the moving iron core of main valve, to realize it, can move with valve core of main valve, reacts true valve position position; The shell of upper cover, connecting plate and main valve Electrical heads is connected by screw, form the high safeguard structure consistent with main valve Electrical heads, form electromagnetic driven stop valve height integrated, integral body unites two into one, make electromagnetic driven stop valve main body organically combine the integrated morphology design that becomes one, make whole signal output apparatus volume little, lightweight, reach miniaturization target.
Above-mentioned little housing and main valve valve pocket adopt argon arc welding seal form, have effectively isolated system pipeline high-temperature high-pressure medium and have entered in telltale.Argon arc seal weld structure &processes is to guarantee that it has an aspect of permanent protective property energy; Between upper cover and connecting plate, all adopt silicone rubber grooved seal structural type between connecting plate and shell.Silicone rubber grooved seal structure can prevent that in environment, high humidity aqueous vapor enters into signal output apparatus inside, and has higher interior pressure and the external pressure ability of bearing, silicone rubber material select the higher resistance to nuclear radiation ability that makes it have.Above-mentioned material and sealing configuration are another aspects that guarantees its permanent protective property energy; Signal body, signal base plate, signal positioning pad are all selected novel high polymer material polyether-ether-ketone, dry reed-pipe potting material is selected epoxy resin, dry reed-pipe lead-in wire is selected silicone rubber material, these three kinds of materials all have stronger resistance to nuclear radiation ability, guarantee the high radiation hardness ability of whole telltale, form permanent protective property, high corrosion resistance, high radioresistance.
Above-mentioned concentrating flux plate is selected accurate magnetically soft alloy material manufacture, and little housing is selected the manufacture of high strength heat resistant stainless steel, connecting plate, signal pole, upper cover, etc. all select the splendid stainless steel manufacture of corrosion resistance.
Above-mentioned permanent magnet is selected resistant to elevated temperatures shirt blessing alloy.
Above-mentioned signal body, signal positioning pad, signal base plate all adopt novel high polymer material---polyether-ether-ketone; The splendid epoxy resin manufacture of insulating property, heatproof and radiation-resistant property is selected in the encapsulation of dry reed-pipe;
Above-mentioned dry reed-pipe lead-in wire is selected the copper conductor of silicone rubber crust, and the Sealings such as the second connecting plate pad and the first connecting plate pad are all selected heatproof and the good silicone rubber manufacture of radiation-resistant property.
Major advantage of the present invention:
1, advanced magnetic transmission technology:
Multi-point magnetic valve position signal output apparatus utilizes the penetrable performance in magnetic field dexterously, valve element position state is successfully outputed to outside pressure-bearing shell, and utilize the closure of reed switch contact and disconnection that this signal is outputed to operating console, form passive contact signal, realizing truly, the function of remote monitoring valve position reliably.
2, multi-point structure, makes it more safe and reliable:
Multi-point magnetic valve position signal output apparatus, by increasing the quantity of dry reed-pipe, is realized Redundancy Design.In each signal body, be packaged with 3 dry reed-pipes that specifications and models are consistent, make this device all realize multiple spot output driving valve position and close valve position, if exist 1 or 2 dry reed-pipes to lose efficacy, this device still can guarantee its inherent function and true valve position signal is reliably exported.
3, integrated with electromagnetic driven stop valve height, integral body unites two into one:
Multi-point magnetic valve position signal output apparatus passes through structural design cleverly, organically combines and becomes one with electromagnetic driven stop valve main body, is mainly manifested in: 1) little housing and main valve housing unite two into one, and forms whole pressure-bearing shell.2) signal pole adopts and is threaded with the moving iron core of main valve, to realize it, can move with valve core of main valve, reacts true valve position position.3) shell of upper cover, connecting plate and main valve Electrical heads is connected by screw, and forms the high safeguard structure consistent with main valve Electrical heads.Above-mentioned integrated morphology design, makes whole signal output apparatus volume little, lightweight, reaches miniaturization target.
4, permanent protective property, high corrosion resistance, high radioresistance:
Multi-point magnetic valve position signal output apparatus has advantages of permanent protective property, high corrosion resistance, high radioresistance, is mainly manifested in the following aspects:
1) the little housing of multi-point magnetic valve position signal output apparatus and main valve valve pocket adopt argon arc welding seal form, have effectively isolated system pipeline high-temperature high-pressure medium and have entered in telltale.Argon arc seal weld structure &processes is to guarantee that it has an aspect of permanent protective property energy;
2) between the upper cover and connecting plate of multi-point magnetic valve position signal output apparatus, between connecting plate and shell, all adopt silicone rubber grooved seal structural type.Silicone rubber grooved seal structure can prevent that in environment, high humidity aqueous vapor enters into signal output apparatus inside, and has higher interior pressure and the external pressure ability of bearing, silicone rubber material select the higher resistance to nuclear radiation ability that makes it have.Above-mentioned material and sealing configuration are another aspects that guarantees its permanent protective property energy.
3) signal body, signal base plate, spacer are all selected novel high polymer material polyether-ether-ketone, dry reed-pipe potting material is selected epoxy resin, dry reed-pipe lead-in wire is selected silicone rubber material, and these three kinds of materials all have stronger resistance to nuclear radiation ability, guarantee the high radiation hardness ability of whole telltale.
4) parts all and medium and environmental exposure are all selected the good stainless steel material of corrosion resistance, guarantee the corrosion resistance of whole signal output apparatus.
5, good anti-seismic performance
In multi-point magnetic valve position signal output apparatus, thread connecting mode between little housing and main valve housing, stainless steel cage rolling technology between permanent magnet and signal pole, the epoxy encapsulation technique of dry reed-pipe and signal body, after specific cards cover crimping form between lead-in wire and dry reed-pipe and signal base plate, spacer, signal body are shaped, utilize nut to compress and in nut upper end, be provided with the enforcement of the structures such as locking measure and technique, all making this signal output apparatus there is the performance of stronger anti-vibration, shock resistance and the mal-condition such as antiseismic.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus, comprises concentrating flux plate 1, the second connection backing plate 2, gland nut 3, connecting plate 4, static iron core 5, secondary signal pad 6, signal pole 7, signal base plate 8, signal positioning pad 9, signal body 10, dry reed-pipe 11, nut 12, little housing 13, first signal pad 14, upper cover 15, the first connection backing plate 16, permanent magnet 17.Between described little housing 13 and main valve housing, choosing adopts and is threaded, and with the needs of proof strength, joint adopts argon arc seal weld, to guarantee the needs of sealing, guarantee high-temperature high-pressure medium in pressure-bearing shell without leaking outside.Little housing 13 is fixed on the static iron core 5 of main valve with its bottom, and compresses with gland nut 3.In little housing 13, signal pole 7 is installed, one end of signal pole 7 is connected with the moving iron core of main valve, and the other end is provided with permanent magnet 17, for triggering the dry reed-pipe 11 outside housing.Between permanent magnet 17 and signal pole 7, adopt stainless steel cage rolling technology, guarantee not come off under moving condition; Described little housing 13 outsides are provided with two signal bodies 10, three dry reed-pipes 11 of embedding on each signal body, dry reed-pipe 11 adopts the embedding of epoxy resin low temperature with the encapsulation of signal body 10, intermediate temperature setting technique, dry reed-pipe is firmly secured in signal body, guarantee that appearance intensity and inner inert gas do not leak under the conditions such as vibration, earthquake, and then realize long-life target, to realize multi-point, trigger.By the signal pad 9 of transposing, the dry reed-pipe 11 in two signal bodies 10 is placed in respectively to driving valve position and closing valve position of permanent magnet 17 on signal pole, guarantees that signal pole 7 triggers different dry reed pipe 11 driving valve and close two positions of valve.Described permanent magnet utilizes the penetrable performance in magnetic field of advanced magnetic transmission technology, signal pole location status is successfully outputed to outside pressure-bearing shell, and utilize the closure of reed switch contact and disconnection that this signal is outputed to operating console, form passive contact signal, realizing truly, the function of remote monitoring valve position reliably.The quantity of described dry reed-pipe 11 increases to a plurality of, realizes Redundancy Design.In each signal body, be packaged with at least three dry reed-pipes 11 that specifications and models are consistent, make this device all realize multiple spot output driving valve position and close valve position, if exist one or two dry reed-pipes to lose efficacy, this device still can guarantee its inherent function and true valve position signal is reliably exported.Trigger between lead-in wire and dry reed-pipe 11 and is connected and adopts specific cards to overlap crimping form, assurance firm and reliable connection.After signal base plate 8, secondary signal pad 6, signal positioning pad 9, signal body 10 are shaped, be inserted in little housing 13, and utilize single nut 12 to compress, with 14 sealings of first signal pad, and be provided with locking measure in nut 12 upper ends, guarantee that position fixes, firm and durable, can prevent that the mal-conditions such as vibration, impact, earthquake from exerting an influence to it.Valve position signal output unit adopts the safeguard structure of electromagnetic driven stop valve body aspect security level, by little housing 13, concentrating flux plate 1, connecting plate 4, upper cover 15, formed, its upper cover 15, main valve shell, a plurality of screws of connecting plate 4 use connect, between each part, be provided with Sealing groove, assurance is contained in the first connection backing plate 16 in groove, the second connection backing plate 2 Sealings are indeformable under interior pressure, external pressure condition, thereby guarantees the sealability that it is intrinsic.Guarantee that its security level under the environmental conditionss such as high temperature, high-pressure medium condition and high humidity, Gao Re and LOCA can IP68 (being waterproof).Described little housing 13 unites two into one with main valve housing, forms whole pressure-bearing shell; Signal pole 7 adopts and is threaded with the moving iron core of main valve, to realize it, can move with valve core of main valve, reacts true valve position position; Upper cover 15, connecting plate 4 are connected by screw with the shell of main valve Electrical heads, form the high safeguard structure consistent with main valve Electrical heads, form electromagnetic driven stop valve height integrated, integral body unites two into one, make electromagnetic driven stop valve main body organically combine the integrated morphology design that becomes one, make whole signal output apparatus volume little, lightweight, reach miniaturization target.Described little housing 13 adopts argon arc welding seal form with main valve valve pocket, has effectively isolated system pipeline high-temperature high-pressure medium and has entered in telltale.Argon arc seal weld structure &processes is to guarantee that it has an aspect of permanent protective property energy; Between upper cover 15 and connecting plate 4, all adopt silicone rubber grooved seal structural type between connecting plate 4 and shell.Silicone rubber grooved seal structure can prevent that in environment, high humidity aqueous vapor enters into signal output apparatus inside, and has higher interior pressure and the external pressure ability of bearing, silicone rubber material select the higher resistance to nuclear radiation ability that makes it have.Above-mentioned material and sealing configuration are another aspects that guarantees its permanent protective property energy; Signal body 10, signal base plate 8, signal positioning pad 9 are all selected novel high polymer material polyether-ether-ketone, dry reed-pipe 11 potting materials are selected epoxy resin, dry reed-pipe lead-in wire is selected silicone rubber material, these three kinds of materials all have stronger resistance to nuclear radiation ability, guarantee the high radiation hardness ability of whole telltale, form permanent protective property, high corrosion resistance, high radioresistance.Described concentrating flux plate 1 is selected accurate magnetically soft alloy material manufacture, and little housing 13 is selected the manufacture of high strength heat resistant stainless steels, connecting plate 4, signal pole 7, upper cover 15, etc. all select the splendid stainless steel manufacture of corrosion resistance.Described concentrating flux plate 1 is selected accurate magnetically soft alloy material manufacture, and little housing 13 is selected the manufacture of high strength heat resistant stainless steels, connecting plate 4, signal pole 7, upper cover 15, etc. all select the splendid stainless steel manufacture of corrosion resistance.Described concentrating flux plate 1 is selected accurate magnetically soft alloy material manufacture, and little housing 13 is selected the manufacture of high strength heat resistant stainless steels, connecting plate 4, signal pole 7, upper cover 15, etc. all select the splendid stainless steel manufacture of corrosion resistance.Described permanent magnet 17 is selected resistant to elevated temperatures shirt blessing alloy.Described signal body 10, signal positioning pad 9, signal base plate 8 all adopt novel high polymer material---polyether-ether-ketone; The splendid epoxy resin manufacture of insulating property, heatproof and radiation-resistant property is selected in the encapsulation of dry reed-pipe 11; Described dry reed-pipe lead-in wire is selected the copper conductor of silicone rubber crust, and the second connecting plate pad 2 and the first connecting plate pad 16 Sealings are all selected heatproof and the good silicone rubber manufacture of radiation-resistant property.
Working principle
When electromagnetic driven stop valve is during in closed condition, permanent magnet on signal pole is positioned at position shown in Fig. 1, corresponding with the dry reed-pipe in lower end signal body, the magnetic field of permanent magnet will be through little housing, trigger the dry reed-pipe in lower end signal body, distant due to the dry reed-pipe in upper end signal body and permanent magnet now, suffered magnetic will is less, is not triggered.Lead-in wire in therefore lower end signal body on dry reed-pipe will close valve trigger signal to control room output.When electromagnetic driven stop valve is opened in valve process, signal pole moves upward drive permanent magnet, move to upper end signal body in dry reed-pipe corresponding position after stop, now main valve is in opening valve state, and in permanent magnet movement process, the suffered magnetic force of the reed switch contact moment in lower end signal body reduces, throw off contact, after motion puts in place, the suffered magnetic force of the dry reed-pipe moment in upper end signal body increases and is triggered, and the lead-in wire in therefore upper end signal body on dry reed-pipe will close valve trigger signal to control room output.
Claims (10)
1. nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus, comprise concentrating flux plate (1), the second connection backing plate (2), gland nut (3), connecting plate (4), static iron core (5), secondary signal pad (6), signal pole (7), signal base plate (8), signal positioning pad (9), signal body (10), dry reed-pipe (11), nut (12), little housing (13), first signal pad (14), upper cover (15), the first connection backing plate (16), permanent magnet (17), it is characterized in that described little housing (13) is threaded with main valve housing, joint adopts argon arc seal weld, little housing (13) is fixed on the static iron core (5) of main valve with its bottom, signal pole (7) is installed in little housing (13), one end of signal pole is connected with the moving iron core of main valve, the other end is provided with permanent magnet (13), for triggering the dry reed-pipe outside housing, little housing (13) outside is provided with two signal bodies (10), three dry reed-pipes of embedding (11) on each signal body, to realize multi-point, trigger, by the signal pad (9) of transposing, the dry reed-pipe (11) in two signal bodies (10) is placed in respectively on signal pole (7), the driving valve position and close valve position of permanent magnet (17), guarantee that signal pole triggers different dry reed pipe driving valve and close two positions of valve, valve position signal output unit adopts the safeguard structure of electromagnetic driven stop valve body aspect security level, by little housing (13), concentrating flux plate (1), connecting plate (4), upper cover (15) forms, between each part, be provided with Sealing.
2. nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus according to claim 1, is characterized in that adopting stainless steel cage rolling technology between described permanent magnet (17) and signal pole (7), under moving condition, does not come off; Dry reed-pipe (11) adopts the embedding of epoxy resin low temperature with signal body (10), dry reed-pipe is fixed in signal body, after signal base plate (8), signal positioning pad (9), signal body (10) are shaped, be inserted in little housing (13), utilize single nut (12) to compress, and be provided with locking measure in nut (12) upper end; Upper cover (15), main valve shell, connecting plate (4) connect with a plurality of screws, are provided with Sealing groove between each part.
3. nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus according to claim 1, it is characterized in that described permanent magnet (17) utilizes the penetrable performance in magnetic field of magnetic transmission technology, signal pole (7) location status is successfully outputed to outside pressure-bearing shell, and utilize the closure of dry reed-pipe (11) contact and disconnection that this signal is outputed to operating console, form passive contact signal.
4. nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus according to claim 1, the quantity that it is characterized in that described dry reed-pipe (11) increases to a plurality of, in each signal body, be packaged with three dry reed-pipes (11) that specifications and models are consistent.
5. nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus according to claim 1, is characterized in that described little housing (13) and main valve housing unite two into one, and form whole pressure-bearing shell; Signal pole (7) adopts and is threaded with the moving iron core of main valve, and upper cover (15), connecting plate (4) are connected by screw with the shell of main valve Electrical heads.
6. nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus according to claim 1, it is characterized in that described little housing (13) and main valve valve pocket adopt argon arc welding sealing, between upper cover (15) and connecting plate (4), be respectively arranged with silicone rubber grooved seal part between connecting plate (4) and shell, signal body (10), signal base plate (8), signal positioning pad (9) are all selected macromolecular material polyether-ether-ketone, dry reed-pipe (11) potting material is selected epoxy resin, and dry reed-pipe lead-in wire is selected silicone rubber material.
7. nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus according to claim 1, it is characterized in that little housing (13) selects the manufacture of high strength heat resistant stainless steel, connecting plate (4), signal pole (7), upper cover (15), all select stainless steel manufacture.
8. nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus according to claim 1, is characterized in that described permanent magnet (17) selects resistant to elevated temperatures shirt blessing alloy.
9. nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus according to claim 1, is characterized in that described signal body (10), signal positioning pad (9), signal base plate (8) all adopt novel high polymer material---polyether-ether-ketone; Epoxy resin manufacture is selected in the encapsulation of dry reed-pipe (11).
10. nuclear safe level electromagnetic driven stop valve multi-point magnetic valve position signal output apparatus according to claim 1, dry reed-pipe lead-in wire described in it is characterized in that is selected the copper conductor of silicone rubber crust, and the second connecting plate pad (2) and the first connecting plate pad (16) Sealing are all selected silicone rubber manufacture.
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| CN107355442A (en) * | 2017-09-15 | 2017-11-17 | 鞍山电磁阀有限责任公司 | Two-position four-way solenoid valve |
| CN109681693A (en) * | 2018-11-01 | 2019-04-26 | 邯郸钢铁集团有限责任公司 | A kind of molecular sieve switching valve valve position waterproof is close to switch and its installation and application |
| CN114001182A (en) * | 2021-11-17 | 2022-02-01 | 中国核动力研究设计院 | Low flow resistance small pressure difference check valve |
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| US5575309A (en) * | 1993-04-03 | 1996-11-19 | Blp Components Limited | Solenoid actuator |
| CN2264365Y (en) * | 1996-12-20 | 1997-10-08 | 国防科学技术工业委员会工程设计研究总院 | Pipeline liquid level signalling device |
| CN2310222Y (en) * | 1997-02-21 | 1999-03-10 | 杭州水泵总厂 | Valve type automatic switch |
| CN2611870Y (en) * | 2003-04-04 | 2004-04-14 | 高为粮 | Inching motion transducer |
| CN202451934U (en) * | 2011-06-03 | 2012-09-26 | 谢立泉 | Magnetic latching energy-saving electromagnetic valve |
| CN103411013A (en) * | 2013-07-16 | 2013-11-27 | 鞍山电磁阀有限责任公司 | Condensed water two-position two-way directly operated type electromagnetic valve |
| CN203670979U (en) * | 2013-12-26 | 2014-06-25 | 鞍山电磁阀有限责任公司 | Multi-point-position magnetic valve position signal output device of nuclear safety level electromagnetic movable stop valve |
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| CN105673914A (en) * | 2016-03-16 | 2016-06-15 | 鞍山电磁阀有限责任公司 | Nuclear-security third-level steam solenoid valve for stream-driven auxiliary water-feeding pump of nuclear power station |
| CN107355442A (en) * | 2017-09-15 | 2017-11-17 | 鞍山电磁阀有限责任公司 | Two-position four-way solenoid valve |
| CN109681693A (en) * | 2018-11-01 | 2019-04-26 | 邯郸钢铁集团有限责任公司 | A kind of molecular sieve switching valve valve position waterproof is close to switch and its installation and application |
| CN114001182A (en) * | 2021-11-17 | 2022-02-01 | 中国核动力研究设计院 | Low flow resistance small pressure difference check valve |
| CN114001182B (en) * | 2021-11-17 | 2024-01-30 | 中国核动力研究设计院 | Low flow resistance small pressure difference check valve |
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Address after: 114300 Xinglong Industrial Park, Xiuyan County, Anshan City, Liaoning Province Patentee after: ANSHAN SOLENOID VALVE Co.,Ltd. Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: 114300 Xinglong Industrial Park, Xiuyan County, Anshan City, Liaoning Province Patentee before: ANSHAN SOLENOID VALVE Co.,Ltd. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address after: 114300 Xinglong Industrial Park, Xiuyan County, Anshan City, Liaoning Province Patentee after: ANSHAN SOLENOID VALVE Co.,Ltd. Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: 114300 Xinglong Industrial Park, Xiuyan County, Anshan City, Liaoning Province Patentee before: ANSHAN SOLENOID VALVE Co.,Ltd. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
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