CN101976638A - Monopole arc-free permanent magnet alternating-current contactor - Google Patents
Monopole arc-free permanent magnet alternating-current contactor Download PDFInfo
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- CN101976638A CN101976638A CN 201010532232 CN201010532232A CN101976638A CN 101976638 A CN101976638 A CN 101976638A CN 201010532232 CN201010532232 CN 201010532232 CN 201010532232 A CN201010532232 A CN 201010532232A CN 101976638 A CN101976638 A CN 101976638A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/34—Means for adjusting limits of movement; Mechanical means for adjusting returning force
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- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention relates to a monopole arc-free permanent magnet alternating-current contactor which is formed by combining three single phase contactors adopting a monopole mechanical structure and an independent operating mechanism. Each phase contactor mainly comprises a shell, a fixed contact terminal, a moving contact terminal, an electronic module and an operating mechanism. The mechanical structure and the operating mechanism which are in split-phase independence achieve the aims of phase synchronization, no arc and energy saving under the control of the matched electronic module. The invention mainly solves the problems of action arcing of a main contact terminal, high heat radiation, superhigh cost, short service life or large pollution, and the like existing in various traditional protective switches, improves the electric life of the alternating-current contactor and reduces accidents in running, impact on a power grid, stray wave pollution and the operation and production cost.
Description
Technical field
The present invention relates to a kind of A.C. contactor switch, specifically is that a kind of one pole does not have arc permanent magnet AC contactor.
Background technology
By the low tension switch of the Long-distance Control done of industrial and agricultural production extensive use, can reduce following several big class now:
One, mechanical switch:
The A.C. contactor of various types, relay etc.Its mechanical structure form is, under an operating mechanism actuating, by connecting rod pulling adhesive of three-phase main contact or disconnection.Therefore can't accomplish all adhesives when voltage zero-cross of every phase, disconnect during load current.So main contact when action starting the arc is the deadly defect of mechanical switch now.In actual applications because arc light ablation effect, not only make contactor electrical endurance and mechanical endurance tenfold poor, and along with the difference of environment for use, also will have a greatly reduced quality electric useful life, can drop to several ten thousand times by tens0000 times, even seriously arrive several thousand times.Even more serious is under the arc light effect, makes main contact weldering occur and lives and jump not open, and causes production accident, makes enterprise suffer very big economic loss.Simultaneously, arc current also easily impacts to electrical network, pollutes with clutter and disturbs other electrical equipment, instrument reliably working.
Mechanical switch is because be the metallicity contact during main contact adhesive, and resistance does not seldom consume energy, and this is its sharpest edges.Also have simultaneously simple in structure, directly perceived, the maintenance easy to use, low price.Although have the defective of the starting the arc, but still accepted, and continue a large amount of the use by modern industry enterprise (comprising developed country).
In the nearly more than ten years, the domestic permanent-magnetic AC contact that occurred makes the operating characteristic of A.C. contactor push ahead major step.Energy-conservation, noiseless, be not subjected to the net voltage disturbance, coil does not generate heat, main contact non-jitter phenomenon, and adhesive is cut-off rapidly etc., but still the problem of the no arc of unresolved main contact action.
Two, solid switch:
Along with the develop rapidly of power electronics, the appearance of especially powerful thyristor, solid switch arises at the historic moment.Its version is: the thyristor of the every mutually one or more combinations of three-phase and in-phase voltage zero passage, load current detects one of trigger control circuit and is encapsulated in the housing, so be called as solid switch.During use, be series in every power supply mutually with load respectively,, when load current is zero, turn-off, to guarantee the safe operation of every group of thyristor because triggering and conducting when every phase voltage is zero is accomplished in the requirement of thyristor switch characteristic.Because the switching characteristic of thyristor, be by the opening and block and finish of its inner conductive layer, so no arc and quick action are generally tens ns levels, more general in tens～hundreds of ms level than mechanical switch), a fast order of magnitude.Quick action, break-make do not have the sharpest edges that arc is a solid switch.Therefore big at some load currents, act frequently, inflammable and explosive place, solid switch adopts more.But because thyristor is when conducting, the pressure drop of self nearly 1.5V, himself energy consumption equals 1.5V * load current, and the big more energy consumption of electric current is high more, and heat radiation is the big problem that solid switch can not be ignored.In big electric current place, increase some heat radiation facilities (cold or water-cooled), so bring inconvenience to application as forced ventilation.Certainly adopt a plurality of thyristor parallel connections reducing its pressure drop, but the switch price is doubled and redoubled and increases corresponding control difficulty.On the other hand, solid switch can not thoroughly excise load current (reverse leakage current) when turn-offing, when system earth resistance is big, just produce voltage to earth (tens volts of supreme hectovolts), during people's contact load, numb inductance will occur and feel, impact to personal safety.
Three, combination switch:
Promptly current capacity identical mechanical switch and solid switch are together in parallel, are connected in series in the three phase mains with load again.Utilize the strong point of the not starting the arc of solid switch, promptly at every phase voltage passing zero trigger, the current over-zero blocking-up.With the advantage that the mechanical switch main contact does not consume energy, overcome the problem of solid switch self conducting power consumption heating.In action control, after the conducting of solid switch elder generation, mechanical switch is closed again; During disconnection, mechanical switch will disconnect earlier, and solid switch is blocking-up when load current is zero.
The shortcoming of combination switch is uneconomical, finishes a kind of control with two switches, and especially solid switch only works in the short time that starts and disconnect, and is useless for a long time.Also to increase the control of above-mentioned two switch co-ordinations simultaneously.
More than various switches all can not obtain unified solution more than the problem in main contact action no arc, heat radiation, cost is too high, the life-span is short, contaminative is big etc.
And the A.C. contactor of existing various models all is control of three-phase, and closure of three-phase main contact and disconnection are insoluble big problems so main contact has moved arch problem always.Because the existence of arc light ablation effect not only makes the electric life of A.C. contactor greatly reduce, and, do not cut off power supply and cause various accidents, bring very big economic loss to enterprise because contact welds sometimes.
Summary of the invention
In order to overcome the shortcoming that above-mentioned prior art exists, the object of the present invention is to provide the no arc of a kind of main contact action, good heat dissipation, one pole with low cost, that the life-span is long, contaminative is few not to have arc permanent magnet AC contactor.
For addressing the above problem, the present invention by the following technical solutions: this one pole does not have arc permanent magnet AC contactor, adopts the independent phase contact of one pole mechanical structures and independent operating mechanism to combine by three; Described phase contact comprises housing, fixed contact, moving contact; Two chambeies about in the housing 2 be, fixed contact 1 is installed in the inside, upper end of housing, and the housing 2 between two fixed contacts 1 leaves a moving contact moving conduit 13; Be installed with permanent magnet 8 and electronic module 12 in the epicoele of housing; In the cavity of resorption of housing operating mechanism is set, described operating mechanism comprises that soft iron core 4, bobbin 5 reach the operating mechanism coil 6 on bobbin around the home, and bobbin 5 is nested with on soft iron core 4 and is fixed in the housing cavity of resorption; Housing in be provided with corresponding with described soft iron core is communicated with upper and lower cavity for the up and down through hole of soft iron core 4, is provided with reaction spring 3 between soft iron core 4 and the bobbin 5; The top of soft iron core 4 connects a connecting rod 9, and this small end is made as the cavity body of upward opening, and described moving contact 10 is arranged in this cavity body; Moving contact 10 connects a fixing pin 16, and the cavity body of connecting rod 9 is provided with fixing pin 16 matched in clearance and to fixing pin and moves up and down spacing pin movable span 18, is provided with excess of stroke spring 11 between moving contact 10 and the connecting rod 9.
As further technical scheme of the present invention:
Do not have in the arc permanent magnet AC contactor at this one pole, described electronic module 12 is got one and is made as a main control circuit module mutually in the three-phase alternating current supply power mode according to input, gets two-phase and is made as a subordinate control circuit module respectively;
Described subordinate control circuit module comprises low-voltage regulated power supply, gets " 1 " signal circuit mutually, attraction circuit, open circuit and corresponding operating mechanism coil; Described attraction circuit comprises phase voltage sample circuit, voltage zero-crossing detection circuit, pickup time correction circuit, photoelectricity coupling circuit and adhesive switch, is used for providing forward current to the operating mechanism coil of correspondence; Described open circuit comprises phase current sample circuit, current over-zero testing circuit, opening time correction circuit, AND circuit, photoelectricity coupling circuit and cut-off switch, is used for providing reverse current to the operating mechanism coil of correspondence; Described low-voltage regulated power supply provides power supply for above-mentioned attraction circuit, open circuit, for described " 1 " signal circuit of getting mutually provides phase signals;
Described main control circuit module is except that comprising the low-voltage regulated power supply identical with subordinate control circuit module circuit structure, get " 1 " signal circuit mutually, attraction circuit, open circuit, the corresponding operating mechanism coil, also comprising phase failure decision circuitry, main stabilized voltage power supply, protection tripping operation and stop button, start button; The normally closed contact of protection tripping operation joins with an end of stop button normally closed contact and the low-voltage regulated power supply of main control circuit module, and the other end and the first NAND gate circuit input join; Described subordinate control circuit module get " 1 " signal circuit output, main control circuit module mutually get the input that " 1 " signal circuit output connects described phase failure decision circuitry mutually; Described phase failure decision circuitry adopts NAND gate circuit to be designated as second NAND gate circuit; The output of first NAND gate circuit, second NAND gate circuit inserts the input of an OR circuit respectively; Described OR circuit output connects the AND circuit input of subordinate control circuit module, the AND circuit input of main control circuit module; The input of described main stabilized voltage power supply inserts corresponding phase power supply through start button, output connect respectively the subordinate control circuit module the adhesive switch and the adhesive switch and the cut-off switch of cut-off switch, main control circuit module.
Do not have in the arc permanent magnet AC contactor at this one pole, the contact-making surface that fixed contact matches with moving contact is the inclined-plane of miter angle.
Do not have in the arc permanent magnet AC contactor at this one pole, the outside, the cavity body lower end of described connecting rod is provided with auxiliary contact plush copper 17.
Do not have in the arc permanent magnet AC contactor at this one pole, described permanent magnet 8 is provided with two, and symmetry is installed in the both sides of moving contact moving conduit 13.
Do not have in the arc permanent magnet AC contactor at this one pole, one locking photoelectric coupled circuit is set respectively in described subordinate control circuit module, the main control circuit module, the input of each locking photoelectric coupled circuit all is connected with OR circuit output in the main control circuit module, and the locking photoelectric coupled circuit output of subordinate control circuit module connects the photoelectricity coupling circuit of subordinate control circuit module; The locking photoelectric coupled circuit output of main control circuit module connects the photoelectricity coupling circuit of main control circuit module.
Operation principle of the present invention and process are: send the adhesive instruction through the voltage zero-crossing detection circuit zero passage after the sampling of phase voltage sample circuit, the required time is finished in correction circuit calculating pickup time operating mechanism in advance, send into a forward current by photoelectricity coupling circuit in the attraction circuit and adhesive switch to the operating mechanism coil then, make described soft iron core upper end induction magnetic pole opposite with permanent magnet lower surface magnetic pole, because there is a natural attraction between the sexes, thereby soft iron core moves upward, drive moving contact and fixed contact closure, soft iron core is also lived by the permanent magnet sticking.After the sampling of phase voltage sample circuit, send open command (comprising the protection action); again through the internal current zero passage detection during to zero passage; the required time is finished in correction circuit calculating opening time operating mechanism in advance; export a reverse current by photoelectricity coupling circuit in the open circuit and cut-off switch to the operating mechanism coil then; make soft iron chip upper end magnetic pole identical with permanent magnet pole; under the effect that the same sex is repelled each other; add the effect of reaction spring; soft iron core moves downward fast, drives moving contact and disconnects.
Above-mentionedly be the process that this A.C. contactor is finished no arc adhesive and disconnection.
The invention has the beneficial effects as follows:
1, adopted one pole mechanical structure and operating mechanism independently, can accomplish the phase-splitting break-make, for the no arc that is combined into multipole A.C. contactor has possessed architecture basics.In the practical application, can be combined into one pole (phase capacitor switching), three utmost points (three-phase switching), four utmost points (three-phase and N be switching simultaneously), five utmost points (electric motor starting etc.) A.C. contactor flexibly.
2, its electronic module in the phase contact independently guarantees that in actual applications the switching voltage zero passage closes, and disconnects at current over-zero.
3, dynamic/static contact adopts the contact of miter angle inclined-plane, thereby increases contact-making surface, and simple in structure, favourable folding.
4, operating mechanism adopts the roof pressing type motion mode, and soft iron core is moving, and permanent magnet keeps, and makes dynamic/static contact keep certain contact pressure and contact area.
It has mainly eliminated the A.C. contactor main contact action starting the arc; Also improved the electrical endurance (approaching the life-span of mechanical switch) of A.C. contactor, reduced operating accident and the impact of electrical network and clutter are polluted, reduced operation and production cost, and install convenient.
Description of drawings
The present invention is described further below in conjunction with drawings and Examples:
Accompanying drawing 2 is the structural representation of shaft portion among Fig. 1,
Accompanying drawing 3 is the schematic block circuit diagram of the embodiment of the invention.
Among the figure: 1 fixed contact, 2 housings, 3 reaction springs; 4 soft iron cores, 5 bobbins, 6 operating mechanism coils; 8 permanent magnets, 9 connecting rods, 10 moving contacts; 11 excess of stroke springs, 12 electronic modules, 13 moving contact moving conduits; 16 fixing pins, 17 auxiliary contact plush coppers, 18 pin movable spans; 19 protection tripping operations, 20 stop buttons, 21 start buttons.
Embodiment
This one pole does not have arc permanent magnet AC contactor and adopts the independent phase contact of one pole mechanical structure and independent operating mechanism to combine by three.
As shown in Figure 1, its phase contact mainly comprises housing 2, fixed contact 1, moving contact 10.Two chambeies about in the housing 2 be, fixed contact 1 is installed in the inside, upper end of housing, and the housing 2 between two fixed contacts 1 leaves a moving contact moving conduit 13.Be installed with permanent magnet 8 and electronic module 12 in the epicoele of housing.Permanent magnet 8 is provided with two, and symmetry is installed in the both sides of moving contact moving conduit 13.
In the cavity of resorption of housing operating mechanism is set, operating mechanism comprises that soft iron core 4, bobbin 5 reach the operating mechanism coil 6 on bobbin around the home, and bobbin 5 is nested with on soft iron core 4 and is fixed in the housing cavity of resorption.Housing in be provided with corresponding with soft iron core 4 is communicated with upper and lower cavity for the up and down through hole of soft iron core 4, is provided with reaction spring 3 between soft iron core 4 and the bobbin 5.The top of soft iron core 4 connects a connecting rod 9, and this small end is made as the cavity body of upward opening, and moving contact 10 is arranged in this cavity body.As shown in Figure 2, moving contact 10 connects a fixing pin 16, and the cavity body of connecting rod 9 is provided with fixing pin 16 matched in clearance and to fixing pin and moves up and down spacing pin movable span 18, is provided with excess of stroke spring 11 between moving contact 10 and the connecting rod 9.The outside, cavity body lower end of connecting rod 9 is provided with auxiliary contact plush copper 17.
In this phase contact, the contact-making surface that fixed contact matches with moving contact is the inclined-plane of miter angle.Thereby increase its contact-making surface, and simple in structure, favourable folding.
As shown in Figure 3, described electronic module 12 is in the three-phase alternating current supply power mode according to input, the electronic module of getting in the phase contact that the B phase connected is made as a main control circuit module, and the electronic module of getting in the phase contact that A phase, C phase connected is made as a subordinate control circuit module respectively.
The subordinate control circuit module comprises low-voltage regulated power supply, gets " 1 " signal circuit mutually, attraction circuit, open circuit and corresponding operating mechanism coil.Described attraction circuit comprises phase voltage sample circuit, voltage zero-crossing detection circuit, pickup time correction circuit, photoelectricity coupling circuit and adhesive switch, is used for providing forward current to each corresponding operating mechanism coil.Described open circuit comprises phase current sample circuit, current over-zero testing circuit, opening time correction circuit, AND circuit, photoelectricity coupling circuit and cut-off switch, is used for providing reverse current to each corresponding operating mechanism coil.Described low-voltage regulated power supply provides power supply for above-mentioned attraction circuit, open circuit, and for described " 1 " signal circuit of getting mutually provides phase signals, this low-voltage regulated power supply is the 12V stabilized voltage power supply.
The main control circuit module is except that comprising the low-voltage regulated power supply identical with subordinate control circuit module circuit structure, get " 1 " signal circuit mutually, attraction circuit, open circuit, the corresponding operating mechanism coil, also comprising phase failure decision circuitry, main stabilized voltage power supply, protection tripping operation 19 and stop button 20, start button 21.One end of the normally closed contact of protection tripping operation 19 and the normally closed contact of stop button 20 and the low-voltage regulated power supply of main control circuit module join, and the other end and the first NAND gate circuit input join.Two subordinate control circuit module get " 1 " signal circuit output, main control circuit module mutually get the input that " 1 " signal circuit output connects described phase failure decision circuitry mutually.Described phase failure decision circuitry adopts NAND gate circuit to be designated as second NAND gate circuit.The output of first NAND gate circuit, second NAND gate circuit inserts the input of an OR circuit respectively.Described OR circuit output connects the AND circuit input of two subordinate control circuit module, the AND circuit input of main control circuit module.Described main stabilized voltage power supply is the 200V stabilized voltage power supply, and its input inserts corresponding B phase power supply through start button, output connect respectively the subordinate control circuit module the adhesive switch and the adhesive switch and the cut-off switch of cut-off switch, main control circuit module.
Interconnect by the plurality of terminals that is drawn out to housing between described major control circuit module and the subordinate control module.
The operation principle that this one pole does not have arc permanent magnet AC contactor is as follows:
In the main control circuit module, when pressing start button (and self-insurance), main stabilized voltage power supply has 200V voltage to issue the adhesive switch and the cut-off switch of three-phase respectively, also quite issue three-phase adhesive instruction, through each phase voltage sampling, the voltage detecting zero passage begins, press moving contact leading its trigger impulse of revising operate time, isolating the back through photoelectricity coupling circuit photoelectricity sends the trigger impulse of correction for the adhesive switch, the adhesive switch conduction is given the operating mechanism coil output forward current of place phase, make corresponding soft iron core upper end induction magnetic pole opposite with permanent magnet lower surface magnetic pole, because there is a natural attraction between the sexes, thereby soft iron core moves upward, and drives moving contact and fixed contact closure, and soft iron core is lived by the permanent magnet sticking.Guarantee that promptly moving contact and fixed contact are adhesives when the phase voltage zero passage.Excess of stroke spring 11 makes that moving contact 10 is upwarded pressure when moving contact 10 and fixed contact 1 closure, it is tightr to fit between moving contact 10 and the fixed contact 1 like this.
Two subordinate control circuit module, and the main control circuit module in a locking photoelectric coupled circuit also is set respectively, the input of each locking photoelectric coupled circuit all is connected with OR circuit output in the main control circuit module, and the locking photoelectric coupled circuit output of subordinate control circuit module connects the photoelectricity coupling circuit of subordinate control circuit module; The locking photoelectric coupled circuit output of main control circuit module connects the photoelectricity coupling circuit of main control circuit module.The reliability that the locking photoelectric coupled circuit can further guarantee the adhesive condition is set.
This one pole does not have in the main control circuit module, subordinate control module of arc permanent magnet AC contactor; the cut-off switch action; need to satisfy two conditions simultaneously: the one, main contact could disconnect in the time of satisfying each phase load current over-zero; the 2nd, need multi-form open command; as stop, the load protection action request cuts off the electricity supply; occur the phase failure in the three-phase and have a power failure back main contact tripping.And three-phase is synchronous, and various open command are sent by OR circuit in the main control circuit module.
The normally closed contact of protection tripping operation joins with stop button normally closed contact one end and main control circuit module mesolow stabilized voltage power supply, and the other end and first NAND gate circuit are joined, as long as both have one the tunnel to disconnect, first NAND gate circuit is output as " 1 ".Three corresponding getting mutually " 1 " circuit all are added in second NAND gate circuit (the being phase failure decision circuitry) input of three ends input simultaneously, as long as a phase failure is arranged, second NAND gate is output " 1 " signal just.Two NAND gate circuit output signals also insert OR circuit two inputs, no matter promptly be the phase failure or protection tripping operation, stop button action, or door all exports " 1 " signal, and with each mutually the AND circuit of open circuit join.Finish each phase cut-off signal condition like this, guarantee three synchronised.After satisfying the cut-off signal condition, the cut-off signal of each phase is exported a reverse current by photoelectricity coupling circuit in its open circuit and cut-off switch to the operating mechanism coil of correspondence, make corresponding soft iron chip upper end magnetic pole identical with permanent magnet pole, under the effect that the same sex is repelled each other, add the effect of reaction spring, soft iron core moves downward fast, drives moving contact and disconnects.
Claims (6)
1. one pole does not have arc permanent magnet AC contactor, it is characterized in that: adopt the independent phase contact of one pole mechanical structure and independent operating mechanism to combine by three; Described phase contact comprises housing, fixed contact, moving contact; It is characterized in that: two chambeies about in the housing (2) being, fixed contact (1) is installed in the inside, upper end of housing, and the housing (2) between two fixed contacts (1) leaves a moving contact moving conduit (13); Be installed with permanent magnet (8) and electronic module (12) in the epicoele of housing; In the cavity of resorption of housing operating mechanism is set, described operating mechanism comprises that soft iron core (4), bobbin (5) reach the operating mechanism coil (6) on bobbin around the home, and bobbin (5) is nested with on soft iron core (4) and is fixed in the housing cavity of resorption; Housing in be provided with corresponding with described soft iron core is communicated with upper and lower cavity for the up and down through hole of soft iron core (4), is provided with reaction spring (3) between soft iron core (4) and the bobbin (5); The top of soft iron core (4) connects a connecting rod (9), and this small end is made as the cavity body of upward opening, and described moving contact (10) is arranged in this cavity body; Moving contact (10) connects a fixing pin (16), the cavity body of connecting rod (9) is provided with fixing pin (16) matched in clearance and to fixing pin and moves up and down spacing pin movable span (18), is provided with excess of stroke spring (11) between moving contact (10) and the connecting rod (9).
2. one pole according to claim 1 does not have arc permanent magnet AC contactor, it is characterized in that: described electronic module (12) is in the three-phase alternating current supply power mode according to input, the electronic module of getting in the phase contact that a phase connected is made as a main control circuit module, and the electronic module of getting in the phase contact that other two-phase connects is made as a subordinate control circuit module respectively;
Described subordinate control circuit module comprises low-voltage regulated power supply, gets " 1 " signal circuit mutually, attraction circuit, open circuit and corresponding operating mechanism coil; Described attraction circuit comprises phase voltage sample circuit, voltage zero-crossing detection circuit, pickup time correction circuit, photoelectricity coupling circuit and adhesive switch, is used for providing forward current to the operating mechanism coil of correspondence; Described open circuit comprises phase current sample circuit, current over-zero testing circuit, opening time correction circuit, AND circuit, photoelectricity coupling circuit and cut-off switch, is used for providing reverse current to the operating mechanism coil of correspondence; Described low-voltage regulated power supply provides power supply for above-mentioned attraction circuit, open circuit, for described " 1 " signal circuit of getting mutually provides phase signals;
Described main control circuit module is except that comprising the low-voltage regulated power supply identical with subordinate control circuit module circuit structure, get " 1 " signal circuit mutually, attraction circuit, open circuit, the corresponding operating mechanism coil, also comprising phase failure decision circuitry, main stabilized voltage power supply, protection tripping operation and stop button, start button; The normally closed contact of protection tripping operation joins with an end of stop button normally closed contact and the low-voltage regulated power supply of main control circuit module, and the other end and the first NAND gate circuit input join; Described subordinate control circuit module get " 1 " signal circuit output, main control circuit module mutually get the input that " 1 " signal circuit output connects described phase failure decision circuitry mutually; Described phase failure decision circuitry adopts NAND gate circuit to be designated as second NAND gate circuit; The output of first NAND gate circuit, second NAND gate circuit inserts the input of an OR circuit respectively; Described OR circuit output connects the AND circuit input of subordinate control circuit module, the AND circuit input of main control circuit module; The input of described main stabilized voltage power supply inserts corresponding phase power supply through start button, output connect respectively the subordinate control circuit module the adhesive switch and the adhesive switch and the cut-off switch of cut-off switch, main control circuit module.
3. one pole according to claim 1 does not have arc permanent magnet AC contactor, it is characterized in that: the contact-making surface that fixed contact matches with moving contact is the inclined-plane of miter angle.
4. one pole according to claim 1 does not have arc permanent magnet AC contactor, it is characterized in that: the outside, cavity body lower end of described connecting rod is provided with auxiliary contact plush copper (17).
5. one pole according to claim 1 does not have arc permanent magnet AC contactor, it is characterized in that: described permanent magnet (8) is provided with two, and symmetry is installed in the both sides of moving contact moving conduit (13).
6. one pole according to claim 2 does not have arc permanent magnet AC contactor, it is characterized in that: a locking photoelectric coupled circuit is set respectively in described subordinate control circuit module, the main control circuit module, the input of each locking photoelectric coupled circuit all is connected with OR circuit output in the main control circuit module, and the locking photoelectric coupled circuit output of subordinate control circuit module connects the photoelectricity coupling circuit of subordinate control circuit module; The locking photoelectric coupled circuit output of main control circuit module connects the photoelectricity coupling circuit of main control circuit module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010532232A CN101976638B (en) | 2010-11-05 | 2010-11-05 | Monopole arc-free permanent magnet alternating-current contactor |
| PCT/CN2011/001390 WO2012058858A1 (en) | 2010-11-05 | 2011-08-19 | Unipolar non-arcing permanent magnetic ac contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010532232A CN101976638B (en) | 2010-11-05 | 2010-11-05 | Monopole arc-free permanent magnet alternating-current contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101976638A true CN101976638A (en) | 2011-02-16 |
| CN101976638B CN101976638B (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010532232A Expired - Fee Related CN101976638B (en) | 2010-11-05 | 2010-11-05 | Monopole arc-free permanent magnet alternating-current contactor |
Country Status (2)
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| CN (1) | CN101976638B (en) |
| WO (1) | WO2012058858A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012058858A1 (en) * | 2010-11-05 | 2012-05-10 | 山东思科电气有限公司 | Unipolar non-arcing permanent magnetic ac contactor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428157A (en) * | 2015-11-20 | 2016-03-23 | 成都迅德科技有限公司 | Non-arc contactor |
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| EP0735666A2 (en) * | 1995-03-29 | 1996-10-02 | Ichikoh Industries Limited | Control circuit for controlling the driving of a dc motor |
| DE102005035487A1 (en) * | 2005-07-28 | 2007-02-01 | Tyco Electronics Amp Gmbh | Electrical power switching module is used on hybrid electric vehicles to achieve high reliability |
| CN201038084Y (en) * | 2006-11-30 | 2008-03-19 | 沈阳工业大学 | Permanent magnetism no-arc AC contactor |
| CN201156501Y (en) * | 2007-12-30 | 2008-11-26 | 人民电器集团有限公司 | Electromagnetical controller apparatus for AC contactor |
| CN201838521U (en) * | 2010-11-05 | 2011-05-18 | 济南华辰电子研究所 | Monopole non-arcing permanent magnet alternating current contactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2074052U (en) * | 1990-01-23 | 1991-03-27 | 钟雄 | Permanent magnet type contactor |
| JPH09213190A (en) * | 1996-02-07 | 1997-08-15 | Fuji Electric Co Ltd | Electromagnetic contactor with converter and voltage reducing starter |
| CN2768190Y (en) * | 2005-03-02 | 2006-03-29 | 桂林机床电器有限公司 | AC contactor |
| CN101976638B (en) * | 2010-11-05 | 2012-10-24 | 山东思科电气有限公司 | Monopole arc-free permanent magnet alternating-current contactor |
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2010
- 2010-11-05 CN CN201010532232A patent/CN101976638B/en not_active Expired - Fee Related
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2011
- 2011-08-19 WO PCT/CN2011/001390 patent/WO2012058858A1/en active Application Filing
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012058858A1 (en) * | 2010-11-05 | 2012-05-10 | 山东思科电气有限公司 | Unipolar non-arcing permanent magnetic ac contactor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012058858A1 (en) | 2012-05-10 |
| CN101976638B (en) | 2012-10-24 |
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