CN103337409A - Intrinsic safe explosion-proof magnetic switch - Google Patents
Intrinsic safe explosion-proof magnetic switch Download PDFInfo
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- CN103337409A CN103337409A CN2013102167230A CN201310216723A CN103337409A CN 103337409 A CN103337409 A CN 103337409A CN 2013102167230 A CN2013102167230 A CN 2013102167230A CN 201310216723 A CN201310216723 A CN 201310216723A CN 103337409 A CN103337409 A CN 103337409A
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- magnetic
- displacement module
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- safe explosion
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- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The invention discloses an intrinsic safe explosion-proof magnetic switch. The intrinsic safe explosion-proof magnetic switch comprises a sealing casing, a circuit path displacement module prepared by a paramagnetic material in the sealing casing and an active magnetic module handle which is arranged at an outer portion of the casing and is opposed to and isolated from the circuit path displacement module , wherein material of the sealing casing is a non-paramagnetic material which can not block magnetic field penetration, the sealing casing prepared by non-paramagnetic material is internally provided with lead terminals, a lead terminal plane is provided with the opposed circuit path displacement module which can rotate or slide, limit of the opposed circuit path displacement module depends on a center shaft or a slide slot, a main material of the opposed circuit path displacement module is a magnetic material or the paramagnetic material, position change of the opposed circuit path displacement module can realize circuit conversion in the sealing casing, and motion of the opposed circuit path displacement module depends on the active magnetic module handle which are arranged at the outer portion of the casing. According to the intrinsic safe explosion-proof magnetic switch, torque or thrust force transmission between the active magnetic module handle and the opposed circuit path displacement module arranged in the sealing casing depends on magnetic field force effects to realize switch driving and sealing control of electric sparks during contact opening and closing.
Description
Technical field
The present invention relates to a kind of circuit control operation device, in particular, the present invention arranges a kind of circuit conversion installation switching device of the non-direct contact for the dynamic spark of seal isolation circuit contact.
Background technology
Daily life, produce in numerous inflammable and explosive danger product explosive combustion accident majorities belong to and run into electric spark behind the inflammable and explosive dielectric leakage and light that gaseous mixture causes; international community requires more and more higher to the prevention and control of dangerization product production safety; the lesson of numerous significant explosion contamination accidents forces inflammable and explosive danger product industries such as domestic and international petrochemical industry to require rank constantly to promote to the installations and facilities safety anti-explosive in the production accumulating scene; its purpose is exactly to improve in the inflammable and explosive environment elimination and the shielding control level of circuit dynamic contact spark, pursues its installations and facilities essential safety.
For example; the power distribution cabinet that uses in the danger product production accumulating environment such as inflammable and explosive, start cabinet, bull switch; because needing to isolate, environment arranges or takes the flame proof design; requirement of explosion proof has also been brought raising and the increase of volume and the difficulty of sealing of manufacturing cost simultaneously; go into around the appliance contact because factors such as the aging and assembly problem of seal are difficult to the right gas cut of absolute blocking-up, this just allows contact spark hidden danger be difficult to thoroughly eliminate and effectively prevention and control.
Summary of the invention
Purpose of the present invention is exactly to overcome the defective of above-mentioned prior art and the difficult problem that inflammable and explosive industry electric apparatus control apparatus exists; and provide for this reason a kind of can be in the production accumulating of dangerization product industry such as inflammable and explosive, life fully sealing use, can allow the intrinsic safe explosion-proof magnetic switch of the sealed isolation of circuit contact make-break operation.
Intrinsic safe explosion-proof magnetic switch of the present invention, its formation comprise the circuit paths displacement module of the close magnetic material in seal casinghousing and the housing and isolate opposed at outside active magnetic force module handle with this module.Described seal casinghousing selection is for can't block the non-close magnetic material that magnetic field is passed, the seal casinghousing inner conductors terminal of described non-close magnetic material, described conductor terminal surface plate is provided with the circuit paths displacement module that can rotate or slide, spacing dependence central shaft or the chute of described displacement module, the main material of described displacement module is magnetic or close magnetic material, described displacement module position changes the circuit conversion that can realize in the capsul, the motion of described displacement module depends on and the opposed outside initiatively magnetic force module handle of its noncontact, and the material of described active magnetic force module handle belongs to strong magnetic or close magnetic material.
Described seal casinghousing selection is for can't block the non-close magnetic material that magnetic field is passed.
The initiatively rotation of magnetic force module handle or slide through magnetic field on the described intrinsic safe explosion-proof magnetic switch exterior panel
Pass separator and drive inner displacement module passive and its rotation synchronously or slip.
Spacing dependence central shaft or the chute of the displacement module in the described seal casinghousing.
The seal casinghousing inner conductors terminal of described non-close magnetic material.
Described displacement module position changes the circuit conversion that can realize in the capsul.
The motion of described displacement module depends on and the opposed outside initiatively magnetic force module handle of its noncontact.
The main material of described displacement module is magnetic or close magnetic material.
The material of described active magnetic force module handle belongs to strong magnetic or close magnetic material.
The invention has the beneficial effects as follows:
Utilize magnetic field between the close magnetic material to pass the separator of non-close magnetic material, allow and utilize the magnetic field force effect to transmit the Touchless manipulation that moment of torsion or thrust can realize the connecting and disconnecting of seal casinghousing internal control circuit between the circuit paths displacement module of the active magnetic force module handle of capsul outside and capsul inside, thereby the airtight control that the closed contact electric spark is split in realization is eliminated electrical equipment operating contact power on/off spark and is split the influence of closing outside environment; Described intrinsic safe explosion-proof magnetic switch is great especially for the electrical equipment control function definition of environment such as inflammable and explosive danger product production, accumulating management.
(1) described seal casinghousing selection is for can't block the non-close magnetic material that magnetic field is passed.High-intensity magnetic field sees through certain thickness seal isolation laminate and can realize effect that the magnetic in the seal casinghousing or close magnetic displacement module are produced magnetic field force for this reason, be achieved the interlayer noncontact and control, the interlayer noncontact has been created possibility to the control conversion of the circuit in the confined space, flow process outside confined space for this reason.
(2) the initiatively rotation of magnetic force module handle or slide through magnetic field and pass separator and drive that inner displacement module is passive rotates synchronously with it or slide on the described intrinsic safe explosion-proof magnetic switch exterior panel.After parent's magnetic material is magnetized, the magnetic line of force distributes has certain rule with trend, need enough energy if change the magnetic line of force regularity of distribution by force and be, the magnetic line of force physical characteristic of also having utilized magnetic field just is transformed into noncontact indirect operation control beyond the sealed compartment with direct operating of contacts.
(3) on the inner plane of seal casinghousing with panel that its opposed outside initiatively magnetic force module handle displacement is controlled on can be symmetrical arranged the identical level and smooth stopper slot of track in the interlayer both sides arbitrarily according to control purpose needs, rely on the capsul exterior panel initiatively magnetic force module handle can realize that all interlayer drives its inner displacement module by the displacement of intended trajectory path movement.Utilize the characteristics of motion of displacement module can also reach the purpose that the secondary interlock is controlled.
(4) since magnetic field force to non-close magnetic material the through characteristic means of providing a kind of interlayer to control indirectly for dangerous operation action, the present invention utilized just the magnetic field monopolizing characteristic change existing electric controling switch the traditional structure defective that can't avoid, direct connection is connect control operation become the indirect magnetic force control of nothing connection interlayer, thoroughly eliminated the dielectric leakage hidden danger in direct connection connection road, conscientiously the hidden danger factor has been put in the safety box of sealing, the essential safety of realization circuit control operation device also will be filled up the technological gap in electrical control field.
Description of drawings
Fig. 1 be rotary mode of the present invention control the face structure schematic diagram.
Fig. 2 be sliding-modes of the present invention control the face structure schematic diagram.
Fig. 3 is the self-contained structural representation of rotary mode of the present invention.
Fig. 4 is the self-contained structural representation of sliding-modes of the present invention.
Mark among Fig. 1: 1-is outside centralized positioning axle 3-seal casinghousing (planing surface) 4-of magnetic force module handle 2-seal casinghousing seal casinghousing inside center locating shaft 5-displacement module 6-conductor terminal 7-seal casinghousing outerplanar 8-seal casinghousing inner space initiatively
Mark among Fig. 2: 1-is the inner displacement module of magnetic force module handle 2-seal casinghousing outside initiatively magnetic force module track 3-seal casinghousing (planing surface) 4-seal casinghousing track 5-displacement module 6-conductor terminal 7-seal casinghousing outerplanar 8-seal casinghousing inner space initiatively
Mark among Fig. 3; 1-is outside centralized positioning axle 3-seal casinghousing (planing surface) 4-of magnetic force module handle 2-seal casinghousing seal casinghousing inside center locating shaft 5-displacement module 7-seal casinghousing outerplanar 8-seal casinghousing inner space 9-seal casinghousing mounting panel initiatively
Mark among Fig. 4; 1-is the inner displacement module of magnetic force module handle 2-seal casinghousing outside initiatively magnetic force module track 3-seal casinghousing (planing surface) 4-seal casinghousing track 5-displacement module 6-conductor terminal 7-seal casinghousing outerplanar 8-seal casinghousing inner space 9-seal casinghousing mounting panel initiatively
Embodiment
The present invention is easier to be understood in order to make, and below in conjunction with accompanying drawing and embodiment technical scheme of the present invention is done to describe in detail.
Fig. 1, Fig. 2 show respectively rotary mode of the present invention control face structure schematic diagram and sliding-modes of the present invention control the face structure schematic diagram.With reference to Fig. 1, Fig. 2, intrinsic safe explosion-proof magnetic switch of the present invention comprises seal casinghousing 3 and inside and outside synchronous displacement module 5 and active magnetic force module handle 1 with orbiting motion.Inside and outside bilateral symmetry arranges motion mode and the path that the recessed rail groove 4 (Fig. 2) of bossed locating shaft 4 (Fig. 1) and 2 (Fig. 1) or interior external symmetry and 2 (Fig. 2) are used for the inner displacement module 5 of unified seal casinghousing and seal casinghousing outside active magnetic force module handle 1 on described seal casinghousing 3 working faces.Described displacement module 5 is separated opposed with sealed housing 3 in the middle of the active magnetic force module handle 1, both movement locus are indicated on the seal casinghousing outerplanar 7.Both directly do not contact the displacement module that be used for to change circuit state 5 of the active magnetic force module handle 1 of its outside of intrinsic safe explosion-proof magnetic switch and its inside but sealed housing 3 separates and postpone is passed through seal casinghousing 3 generation magnetic field force effects by magnetic field has a style of one's own; The motion of same track takes place with it in the displacement module 5 of seal casinghousing opposed with it inside synchronously when active magnetic force module handle 1 is subjected to the driving of moment of face or external force.The change in location of described displacement module 5 will change the on off operating mode of conductor terminal 6 corresponding circuits to realize switching and the control of interlock circuit.Because the sealed housing 3 complete Isolated Shields of spark that the connecting and disconnecting of conductor terminal 6 corresponding circuits produce, thereby also stop the generation of relevant explosion accident with regard to thoroughly having blocked inflammable and explosive medium and the contact of contact spark.
The seal casinghousing 3 of described intrinsic safe explosion-proof magnetic switch of the present invention is not just thoroughly isolated the intrusion of having stopped the environment dust because open passage is set, will reduce the energy of contact spark in the dustfree environment, prolong the life-span of the described intrinsic safe explosion-proof magnetic switch of corresponding prolongation in useful life of contact.Described seal casinghousing material belongs to non-close magnetisable material, can be nonmetal also can be metal, concrete sorting basis functional requirement and designing.
For making described intrinsic safe explosion-proof magnetic switch of the present invention have more purposes, that the present invention intends being replaced by in the object of displacement module 5 regulating and controlling is pneumatic, hydraulic pressure etc. is through directly triggering and then influencing parameters such as controlled flow system pressure, flow, is achieved the innovation of frontier.
Advantage of the present invention is:
(1) seal casinghousing of described intrinsic safe explosion-proof magnetic switch of the present invention is not just thoroughly isolated the intrusion of having stopped danger medium and environment dust because open passage is set, will reduce the energy of contact spark in the dustfree environment, prolong the life-span of the described intrinsic safe explosion-proof magnetic switch of corresponding prolongation in useful life of contact.
(2) advantage of the present invention is: utilize magnetic field between the close magnetic material to pass the separator of non-close magnetic material, allow and utilize the magnetic field force effect to transmit the Touchless manipulation that moment of torsion or thrust can realize the connecting and disconnecting of seal casinghousing internal control circuit between the circuit paths displacement module of the active magnetic force module handle of capsul outside and capsul inside, thereby realize splitting the airtight management control of closed contact electric spark, eliminate electrical equipment operating contact power on/off spark and split the influence of closing outside environment; Described intrinsic safe explosion-proof magnetic switch has the architectural characteristic of isolating the blocking-up explosive source, and to use it in the electrical equipment control operation in the environment such as inflammable and explosive danger product production, accumulating management meaning great especially for this reason.
Abovely with reference to accompanying drawing intrinsic safe explosion-proof magnetic switch of the present invention is schematically illustrated, this explanation does not have restricted.For those of ordinary skill in the field, in order to realize same technical purpose, can be under the enlightenment of above-mentioned explanation, thus form new technical scheme by the modification to some technical characterictic among the present invention.Special needs to be pointed out is that only otherwise break away from invention aim of the present invention, all apparent modifications all are included within protection scope of the present invention.
Claims (8)
1. intrinsic safe explosion-proof magnetic switch, its formation comprise the circuit paths displacement module of the close magnetic material in seal casinghousing and the housing and isolate opposed at outside magnetic force module handle initiatively with this module.Described seal casinghousing selection is for can't block the non-close magnetic material that magnetic field is passed, the seal casinghousing inner conductors terminal of described non-close magnetic material, described conductor terminal surface plate is provided with the circuit paths displacement module that can rotate or slide, spacing dependence central shaft or the chute of described displacement module, the main material of described displacement module is magnetic or close magnetic material, described displacement module position changes the circuit conversion that can realize in the capsul, the motion of described displacement module depends on and the opposed outside initiatively magnetic force module handle of its noncontact, and the material of described active magnetic force module handle belongs to strong magnetic or close magnetic material.
2. according to claim 1 intrinsic safe explosion-proof magnetic switch, it is characterized in that described seal casinghousing selection is for can't block the non-close magnetic material that magnetic field is passed.
3. according to claim 1 intrinsic safe explosion-proof magnetic switch, it is characterized in that the initiatively rotation of magnetic force module handle or slide through magnetic field and pass separator and drive that inner displacement module is passive rotates synchronously with it or slide on the described intrinsic safe explosion-proof magnetic switch exterior panel.
4. a kind of intrinsic safe explosion-proof magnetic switch according to claim 1 is characterized in that, spacing dependence central shaft or the chute of the displacement module in the seal casinghousing.
5. a kind of intrinsic safe explosion-proof magnetic switch according to claim 1 is characterized in that, the seal casinghousing inner conductors terminal of described non-close magnetic material.
6. a kind of intrinsic safe explosion-proof magnetic switch according to claim 1 is characterized in that, described displacement module position changes the circuit conversion that can realize in the capsul.
7. according to claim 1 intrinsic safe explosion-proof magnetic switch, it is characterized in that the motion of described displacement module depends on and the opposed outside initiatively magnetic force module handle of its noncontact.
8. according to claim 1 intrinsic safe explosion-proof magnetic switch, it is characterized in that the material of described active magnetic force module handle belongs to strong magnetic or close magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102167230A CN103337409A (en) | 2013-05-28 | 2013-05-28 | Intrinsic safe explosion-proof magnetic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102167230A CN103337409A (en) | 2013-05-28 | 2013-05-28 | Intrinsic safe explosion-proof magnetic switch |
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| CN103337409A true CN103337409A (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102167230A Pending CN103337409A (en) | 2013-05-28 | 2013-05-28 | Intrinsic safe explosion-proof magnetic switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108367148A (en) * | 2016-01-29 | 2018-08-03 | 微软技术许可有限责任公司 | Magnetic alignment switching circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006131520A1 (en) * | 2005-06-06 | 2006-12-14 | Schneider Electric Industries Sas | Electric circuit switching device using at least two permanent magnets |
| CN201032618Y (en) * | 2007-02-07 | 2008-03-05 | 赵冰 | Antiriot water-proof magnetic electrical equipment switch |
| CN101221867A (en) * | 2008-01-14 | 2008-07-16 | 泰豪科技股份有限公司 | Explosion-proof micro-switch |
-
2013
- 2013-05-28 CN CN2013102167230A patent/CN103337409A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006131520A1 (en) * | 2005-06-06 | 2006-12-14 | Schneider Electric Industries Sas | Electric circuit switching device using at least two permanent magnets |
| CN201032618Y (en) * | 2007-02-07 | 2008-03-05 | 赵冰 | Antiriot water-proof magnetic electrical equipment switch |
| CN101221867A (en) * | 2008-01-14 | 2008-07-16 | 泰豪科技股份有限公司 | Explosion-proof micro-switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108367148A (en) * | 2016-01-29 | 2018-08-03 | 微软技术许可有限责任公司 | Magnetic alignment switching circuit |
| CN108367148B (en) * | 2016-01-29 | 2022-01-14 | 微软技术许可有限责任公司 | Magnetically aligned switching circuit |
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Application publication date: 20131002 |