CN101792887A - Chromium-containing stainless steel is being made by the thermoelectricity purposes in the manually opened magnetic devices of family expenses that drives of equivalence element occasionally - Google Patents

Chromium-containing stainless steel is being made by the thermoelectricity purposes in the manually opened magnetic devices of family expenses that drives of equivalence element occasionally Download PDF

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Publication number
CN101792887A
CN101792887A CN201010141724A CN201010141724A CN101792887A CN 101792887 A CN101792887 A CN 101792887A CN 201010141724 A CN201010141724 A CN 201010141724A CN 201010141724 A CN201010141724 A CN 201010141724A CN 101792887 A CN101792887 A CN 101792887A
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CN
China
Prior art keywords
alloy
chromium
magnetic
stainless steel
magnetic devices
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CN201010141724A
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Chinese (zh)
Inventor
何塞·路易斯·弗洛雷斯托雷
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Publication of CN101792887A publication Critical patent/CN101792887A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/005—Regulating fuel supply using electrical or electromechanical means
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/11—Making amorphous alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
    • F23N5/105—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/14—Fuel valves electromagnetically operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/24—Valve details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14708—Fe-Ni based alloys

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Electromagnets (AREA)

Abstract

The present invention relates to a kind of chromium-containing stainless steel alloy and making by the thermoelectricity purposes in magnetic armature, magnetic core or this two kinds of elements of the manually opened magnetic devices that drives of equivalence element occasionally, described chromium-containing stainless steel alloy has the chromium content of 17.25-18.25%.The invention still further relates to described magnetic devices.

Description

Chromium-containing stainless steel is being made by the thermoelectricity purposes in the manually opened magnetic devices of family expenses that drives of equivalence element occasionally
Technical field
The present invention relates to a kind of manually opened magnetic devices of family expenses that drives by thermoelectric occasionally equivalence element.Be particularly related to the purposes of chromium-containing stainless steel alloy in magnetic armature, magnetic core or this two kinds of elements of making described magnetic devices.
Background technology
The magnetic devices that constitutes magnetic devices-thermopair subassembly part is the known and element that is utilized in the prior art, and it is disclosed in the following document especially: MU 200203006, and MU 200502016, and EP 1624247, EP 1909029 or W003/085324.They are used as the security system of household gas utensils, domestic gas-fired water heater and domestic gas Boiler.When the flame of burner extinguished because of some reason, this magnetic devices-thermopair subassembly served as the system that cuts off the gas-flow that flows to described equipment.
Thermopair produces voltage when flame exists, and this voltage keeps the valve open of magnetic devices, thereby allows combustion gas to pass through.If flame extinguishes because of some reason, thermopair (or equivalence element) stops to produce voltage, and magnetic devices is closed gas valve, thereby prevents that combustion gas from overflowing in appliances, and this may set off an explosion and make the people to poison.
This magnetic devices is made up of some elements, comprises magnetic core and magnetic armature.Magnetic core is the element that is subjected to coil stimulating, and this coil receives the thermoelectric occasionally voltage that element produced of equivalent function; And magnetic core attracts magnetic armature, and this magnetic armature closely knit with gas valve (solidarily) engages.Also have the magnetic devices valve, it is the parts that are arranged in gas valve, and this magnetic devices valve is responsible for opening or closing blast tube.
In the prior art, the magnetic armature and the magnetic core of the magnetic devices that is driven by thermopair are to be made by the material of Fe-Ni alloy composition.These Fe-Ni alloys have the excellent combination of those performances that must satisfy the magnetic devices requirement, i.e. magnetic force (magnetism), magnetic hysteresis, remanent magnetism, coercive force and solidity to corrosion.Yet, because the minimum content of the element Ni that must exist is about 48% in the described alloy, the therefore unusual costliness of the Fe-Ni alloy of use at present.On this meaning, known Ni content is lower than 48% alloy and has significantly lower solidity to corrosion, from but unacceptable.
Therefore, there is a need in the field to provide novel substituting magnetic devices, this magnetic devices is effective and cheap simultaneously.
Summary of the invention
The inventor finds, can make by magnetic armature, magnetic core or this two kinds of elements the manually opened magnetic devices of family expenses of thermopair driving from the chromium-containing stainless steel alloy, and make described magnetic core obtain effective and gratifying generally function.These alloys have the excellent combination of required magnetic property in armature and the magnetic core, thereby they can bring into play their function effectively in magnetic devices.In addition, these alloys make armature and magnetic core have necessary solidity to corrosion in its whole length of life.
Therefore, one aspect of the present invention relates to a kind of by the thermoelectricity manually opened magnetic devices of novel household that drives of equivalence element occasionally, and wherein magnetic armature, magnetic core or this two kinds of elements are made by the chromium-containing stainless steel alloy.
In the context of the present invention, the chromium-containing stainless steel alloy is meant that Cr content is the chromium-containing stainless steel alloy of 17.25-18.25%.
In a preferred embodiment, magnetic armature, magnetic core or this two kinds of elements are to be made less than 1% chromium-containing stainless steel alloy by nickel content.In a further preferred embodiment, the content of niobium of this alloy is 0-0.25%.
In a further preferred embodiment, this alloy has following composition:
??Fe ??C ??Cr ??Ni ??Nb ??P ??Si ??Mn ??S ??Mo
??78.67 ??0.01 ??17.5 ??0.2 ??0.25 ??0.02 ??0.9 ??0.4 ??0.3 ??1.75
In a further preferred embodiment, this alloy has following composition:
??Fe ??C ??Cr ??Ni ??P ??Si ??Mn ??S ??Mo
??79.9-79.5 ??0.06 ??17.25-18.25 ??0.6 ??0.03 ??1-0.5 ??0.8 ??00.2-0.4 ??0.5
Another aspect of the present invention relates to the chromium-containing stainless steel alloy and is making by the thermoelectricity purposes in magnetic armature, magnetic core or this two kinds of elements of the manually opened magnetic devices of family expenses that drives of equivalence element occasionally.Described element can be any conventional element known in those skilled in the art.
In a preferred embodiment, use nickel content less than 1% alloy.In a further preferred embodiment, the content of niobium in this alloy is 0%-0.25%.
In a further preferred embodiment, use the alloy of called after alloy 1, it is composed as follows:
??Fe ??C ??Cr ??Ni ??Nb ??P ??Si ??Mn ??S ??Mo
??78.67 ??0.01 ??17.5 ??0.2 ??0.25 ??0.02 ??0.9 ??0.4 ??0.3 ??1.75
In a further preferred embodiment, use alloy (alloy 2) with following composition:
??Fe ??C ??Cr ??Ni ??P ??Si ??Mn ??S ??Mo
??79.9-79.5 ??0.06 ??17.25-18.25 ??0.6 ??0.03 ??1-0.5 ??0.8 ??00.2-0.4 ??0.5
The character of these alloys is as shown in the table:
Unit permeance Coercive force A/m Saturation ratio, Gauss
Alloy 1 ??1500 ??200 ??15000
Alloy 2 ??2500 ??130 ??2500-8000
Alloy 1 is stablized by 0.25% content of niobium, and this gives its bigger oxidation-resistance.Its unit permeance is lower than alloy 2, and its coercive force is higher slightly.Its saturation ratio (saturation) is also higher simultaneously, and this parameter is very suitable for purposes involved in the present invention.
The oxidation-resistance of alloy 2 is lower than alloy 1, and alloy 1 is considered to be more suitable for selecting to be used for purposes involved in the present invention.The use of a kind of alloy or another kind of alloy significantly depends on the characteristic of the combustion gas in the appliances that are ready to use in the magnetic devices place.These two kinds of alloys all are available commercially.
The solidity to corrosion of alloy 1 is better than alloy 2, and has and alloy 2 similar magnetic energy, so alloy 1 is the preferred alloy that is used for corrosive medium.The solidity to corrosion of following analysis alloy: utilize the humidity and the salt-fog test of standard, in environment with cumulative temperature, and in the condition that must bear than family expenses magnet assembly of the present invention (group) significantly more under the exacting terms; Two tests have shown identical conclusion.
On the other hand, in manufacturing processed (being used for handling material and experimental material) or eliminating in the voltage and using high-intensity magnetic field, thereby may stay permanent magnetism therein, this is not suitable for the function that will carry out, so should limit the use of high-intensity magnetic field as much as possible.The existence of remanent magnetism may attract little metallic particles in addition, and this can influence the superperformance of subassembly.
Adding trade union under cold conditions raises the coercive force of material.
Therefore suggestion is heat-treated material, applies the magnetic of processing to eliminate voltage and to prevent from wherein may exist, thereby makes its demagnetization.Remain to be about 850 ℃ to the temperature that croloy applies.High purity and the good annealed alloy of process have the ideal magnetic property.
When parts surface does not exist chip or other foreign particle, under the situation that passivation does not take place, can obtain solidity to corrosion preferably; If in the manufacturing processed of magnetic core and/or armature, use steel tool, then recommend to apply final Passivation Treatment to eliminate contamination particle from manufacturing processed.

Claims (10)

1. the purposes of chromium-containing stainless steel alloy, it is used for making by thermoelectricity occasionally magnetic core, magnetic armature or this two kinds of elements of the manually opened magnetic devices of family expenses that drives of equivalence element as starting material.
2. purposes according to claim 1, wherein said chromium-containing stainless steel alloy has the nickel content less than 1%.
3. purposes according to claim 1 and 2, wherein said chromium-containing stainless steel alloy has the content of niobium of 0%-0.25%.
4. purposes according to claim 1 and 2, wherein said alloy has following composition:
??Fe ??C ??Cr ??Ni ??Nb ??P ??Si ??Mn ??S ??Mo ??78.67 ??0.01 ??17.5 ??0.2 ??0.25 ??0.02 ??0.9 ??0.4 ??0.3 ??1.75
5. purposes according to claim 1 and 2, wherein said alloy has following composition:
??Fe ??C ??Cr ??Ni ??P ??Si ??Mn ??S ??Mo ??79.9-79.5 ??0.06 ??17.25-18.25 ??0.6 ??0.03 ??1-0.5 ??0.8 ??00.2-0.4 ??0.5
6. by the thermoelectricity manually opened magnetic devices of family expenses that drives of equivalence element occasionally, wherein magnetic armature, magnetic core or this two kinds of elements are to be made by the chromium-containing stainless steel alloy.
7. magnetic devices according to claim 6, wherein said chromium-containing stainless steel alloy has the nickel content less than 1%.
8. according to claim 6 or 7 described magnetic devices, wherein said alloy has the content of niobium of 0%-0.25%.
9. magnetic devices according to claim 6, wherein said alloy has following composition:
??Fe ??C ??Cr ??Ni ??Nb ??P ??Si ??Mn ??S ??Mo ??78.67 ??0.01 ??17.5 ??0.2 ??0.25 ??0.02 ??0.9 ??0.4 ??0.3 ??1.75
10. magnetic devices according to claim 6, wherein said alloy has following composition:
??Fe ??C ??Cr ??Ni ??P ??Si ??Mn ??S ??Mo ??79.9-79.5 ??0.06 ??17.25-18.25 ??0.6 ??0.03 ??1-0.5 ??0.8 ??00.2-0.4 ??0.5
CN201010141724A 2009-01-21 2010-01-21 Chromium-containing stainless steel is being made by the thermoelectricity purposes in the manually opened magnetic devices of family expenses that drives of equivalence element occasionally Pending CN101792887A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09380005.0 2009-01-21
EP09380005A EP2211099A1 (en) 2009-01-21 2009-01-21 Use of chromium-based stainless steel for manufacturing a domestic use and manual opening magnetic unit actuated by thermocouple or equvalent element

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Publication Number Publication Date
CN101792887A true CN101792887A (en) 2010-08-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109741902A (en) * 2019-01-08 2019-05-10 苏州腾凯金属材料有限公司 A kind of demagnetizing method of solenoid valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015218439A1 (en) 2015-09-25 2017-03-30 Robert Bosch Gmbh In its core losses reduced part and process for its preparation

Citations (5)

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Publication number Priority date Publication date Assignee Title
EP0348557A1 (en) * 1988-06-30 1990-01-03 Aichi Steel Works, Ltd. Soft magnetic stainless steel having good cold forgeability
WO1996011483A1 (en) * 1994-10-11 1996-04-18 Crs Holdings, Inc. Corrosion-resistant magnetic material
CN1386144A (en) * 2000-07-12 2002-12-18 尤吉纳－萨瓦依安费公司 Ferritic stainless steel for ferromagnetic parts
CN1424422A (en) * 2001-11-26 2003-06-18 于西纳公司 Sulfur containing ferritic stainless steel for ferromagnetic parts
CN1854581A (en) * 2005-03-05 2006-11-01 阿利查尔技术有限公司 Electromagnetic apparatus and method for controlling fluid flow

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JPS5841257A (en) * 1981-09-02 1983-03-10 Hitachi Ltd Electromagnetic fuel injection device
GB2136208A (en) * 1982-09-22 1984-09-12 Webber Electro Components Plc Improvements in solenoid valves
US20030042450A1 (en) * 2001-08-31 2003-03-06 Bircann Raul A. Force-balanced gas control valve
ITPD20020092A1 (en) 2002-04-11 2003-10-13 Gasco Srl THERMOCOUPLE SAFETY DEVICE, PARTICULARLY FOR GAS BURNERS.
ES1058316Y (en) 2004-08-03 2005-03-16 Orkli S Coop Ltda GAS SAFETY VALVE WITH A DRIVE ELECTROIMAN.
ES2327993B1 (en) 2006-10-04 2010-09-06 Orkli, S.Coop ELECTROMAGNETIC SECURITY GAS VALVE WITH INTERNAL SPRING.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0348557A1 (en) * 1988-06-30 1990-01-03 Aichi Steel Works, Ltd. Soft magnetic stainless steel having good cold forgeability
WO1996011483A1 (en) * 1994-10-11 1996-04-18 Crs Holdings, Inc. Corrosion-resistant magnetic material
CN1386144A (en) * 2000-07-12 2002-12-18 尤吉纳－萨瓦依安费公司 Ferritic stainless steel for ferromagnetic parts
CN1424422A (en) * 2001-11-26 2003-06-18 于西纳公司 Sulfur containing ferritic stainless steel for ferromagnetic parts
CN1854581A (en) * 2005-03-05 2006-11-01 阿利查尔技术有限公司 Electromagnetic apparatus and method for controlling fluid flow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109741902A (en) * 2019-01-08 2019-05-10 苏州腾凯金属材料有限公司 A kind of demagnetizing method of solenoid valve

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EP2211099A1 (en) 2010-07-28
BRPI1000111A2 (en) 2011-09-13

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Application publication date: 20100804