CN204270896U - A kind of permanent magnetic drive on-load voltage regulating switch - Google Patents

A kind of permanent magnetic drive on-load voltage regulating switch Download PDF

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Publication number
CN204270896U
CN204270896U CN201420847952.2U CN201420847952U CN204270896U CN 204270896 U CN204270896 U CN 204270896U CN 201420847952 U CN201420847952 U CN 201420847952U CN 204270896 U CN204270896 U CN 204270896U
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contact
tap
permanent magnet
change operation
moving contact
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CN201420847952.2U
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刁俊起
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Abstract

The utility model relates to a kind of permanent magnetic drive on-load voltage regulating switch, comprise switching switch circuit, described switching switch circuit comprises the identical odd number tap-change operation circuit of structure and even numbers tap-change operation circuit, the synchronous transition contact of double-contact that described tap-change operation circuit comprises working contact and is made up of main contact and secondary contact, described working contact and the synchronous transition contact of double-contact are all just to a moving contact, each moving contact is parallel with one another, each moving contact all fixes a permanent magnet, and each permanent magnet other end is all just to a moving contact driving mechanism; Described moving contact driving mechanism realizes moving contact by change to the active force of permanent magnet and contacts with working contact and transition contact or be separated, and then realizes the switching from a tap to another tap.The utility model structure is simple, easy to use, without the need to quick mechanism, realizes switching by contact direct action, and run quick, reliable, failure rate is low, long service life, has use value widely.

Description

A kind of permanent magnetic drive on-load voltage regulating switch
Technical field
The utility model relates to a kind of on-load voltage regulating switch, is specifically related to a kind of permanent magnetic drive on-load voltage regulating switch.
Background technology
Transformer, by changing the high voltage side of transformer active coil number of turn from a tap-change operation to another tap, realizes pressure regulation object.On-load voltage regulating switch relies on diverter switch to carry out switchable load electric current, quick mechanism is the power source of diverter switch, current quick mechanism mainly adopts spring to release energy device, but spring poor reliability, once main spring damages will cause whole paralysis, and along with the prolongation of service time, spring is deteriorated or spring breakage gradually, all will cause serious consequence.
Summary of the invention
For the problems referred to above, the utility model provides a kind of without the need to quick mechanism, contact direct action, runs quick, reliable, the permanent magnetic drive on-load voltage regulating switch of long service life.
For solving the problem, the technical scheme that the utility model is taked is: a kind of permanent magnetic drive on-load voltage regulating switch, comprise switching switch circuit, described switching switch circuit comprises the identical odd number tap-change operation circuit of structure and even numbers tap-change operation circuit, the synchronous transition contact of double-contact that described tap-change operation circuit comprises working contact and is made up of main contact and secondary contact, working contact is through triggering transmitter, transition resistance is connected to main contact, one tap-change operation main circuit contact is connected to the secondary contact of an other tap-change operation circuit through high-pressure thyristor, described triggering transmitter provides trigger current for the high-pressure thyristor be connected with the secondary contact of same tap-change operation circuit, described working contact and the synchronous transition contact of double-contact are all just to a moving contact, and each moving contact is parallel with one another, and each moving contact all fixes a permanent magnet, and each permanent magnet other end is all just to a moving contact driving mechanism, described moving contact driving mechanism realizes moving contact by change to the active force of permanent magnet and contacts with working contact and transition contact or be separated, and then realizes the switching from a tap to another tap.Described moving contact driving mechanism comprises the magnetic conductor that rotating permanent magnet and head end are coated on rotating permanent magnet side, and magnetic conductor end is just to permanent magnet.The magnetic force that rotating permanent magnet is convenient in the setting of magnetic conductor is concentrated, and strengthens the active force to permanent magnet.Change its active force that permanent magnet is produced by rotating rotating permanent magnet, thus realize being contacting and separating of moving contact transition contact synchronous with working contact and double-contact.When rotating permanent magnet and permanent magnet magnetic pole of the same name near time, rotating permanent magnet produces repulsive force to permanent magnet, and moving contact contacts with the synchronous transition contact of working contact/double-contact; When rotating permanent magnet and permanent magnet synonyms pole end near time, rotating permanent magnet produces attraction to permanent magnet, and moving contact transition contact synchronous with working contact/double-contact is separated.
A kind of permanent magnetic drive on-load voltage regulating switch, comprise switching switch circuit, described switching switch circuit comprises the identical odd number tap-change operation circuit of structure and even numbers tap-change operation circuit, the synchronous transition contact of double-contact that described tap-change operation circuit comprises working contact and is made up of main contact and secondary contact, working contact is through triggering transmitter, transition resistance is connected to main contact, one tap-change operation main circuit contact is connected to the secondary contact of an other tap-change operation circuit through high-pressure thyristor, described triggering transmitter provides trigger current for the high-pressure thyristor be connected with the secondary contact of same tap-change operation circuit, described working contact and the synchronous transition contact side of double-contact are all connected with a permanent magnet, and opposite side is all just to a moving contact, and each moving contact is parallel with one another, and each moving contact all connects a moving contact driving mechanism, described moving contact driving mechanism realizes moving contact by change to the active force of permanent magnet and contacts with working contact and transition contact or be separated, and then realizes the switching from a tap to another tap.Described moving contact driving mechanism comprises the magnetic conductor that rotating permanent magnet and head end are coated on rotating permanent magnet side, and magnetic conductor end is just to permanent magnet.Change its active force that permanent magnet is produced by rotating rotating permanent magnet, thus realize being contacting and separating of moving contact transition contact synchronous with working contact and double-contact.When rotating permanent magnet and permanent magnet magnetic pole of the same name near time, rotating permanent magnet produces repulsive force to permanent magnet, and moving contact transition contact synchronous with working contact/double-contact is separated; When rotating permanent magnet and permanent magnet synonyms pole end near time, rotating permanent magnet produces attraction to permanent magnet, and moving contact contacts with the synchronous transition contact of working contact/double-contact.
The utility model structure is simple, easy to use, without the need to quick mechanism, realizes switching by contact direct action, and run quick, reliable, failure rate is low, long service life, has use value widely.
Accompanying drawing explanation
Fig. 1 is embodiment 1 operation principle schematic diagram;
Fig. 2 is embodiment 2 operation principle schematic diagram;
Fig. 3 is that embodiment 1 moving contact D1 contacts schematic diagram with working contact K1;
Fig. 4 is that embodiment 1 moving contact D1 contacts with working contact K1, moving contact D2 transition contact k1, k1 synchronous with double-contact ' contact schematic diagram;
Fig. 5 is that embodiment 1 moving contact D2 transition contact k1, k1 synchronous with double-contact ' contacts schematic diagram;
Fig. 6 is that embodiment 1 moving contact D2 transition contact k1, k1 synchronous with double-contact ' contacts, moving contact D3 transition contact k2, k2 synchronous with double-contact ' contact schematic diagram;
Fig. 7 is that embodiment 1 moving contact D3 transition contact k2, k2 synchronous with double-contact ' contacts schematic diagram;
Fig. 8 is that embodiment 1 moving contact D4 contacts with working contact K2, moving contact D3 transition contact k2, k2 synchronous with double-contact ' contact schematic diagram;
Fig. 9 contacts schematic diagram with working contact K2 for moving contact D4 shown in embodiment 1;
Wherein, 1, moving contact, 2, permanent magnet, 3, magnetic conductor, 4, rotating permanent magnet
D1 to D4 is moving contact, and K1, K2 are working contact, and R1, R2 are transition resistance, k1, k1 ' and k2, k2 ' be synchronous double-contact transition contact, wherein k1, k2 are main contact; K1 ', k2 ' are secondary contact, and TSCB1, TSCB2 are for triggering transmitter, and TSC1, TSC2 are high-pressure thyristor.
Embodiment
embodiment one
A kind of permanent magnetic drive on-load voltage regulating switch, as shown in Figure 1, comprise switching switch circuit, described switching switch circuit comprises the identical odd number tap-change operation circuit of structure and even numbers tap-change operation circuit, the synchronous transition contact k1 of double-contact that described tap-change operation circuit comprises working contact K1/K2 and is made up of main contact k1/k2 and secondary contact k1 '/k2 ', k1 '/k2, k2 ', working contact K1/K2 is through triggering transmitter TSCB1/TSCB2, transition resistance R1/R2 is connected to main contact k1/k2, odd number tap-change operation main circuit contact k1 is connected to the secondary contact k2 ' of even numbers tap-change operation circuit through high-pressure thyristor TSC2, even numbers tap-change operation main circuit contact k2 is connected to the secondary contact k1 of odd number tap-change operation circuit through high-pressure thyristor TSC1.Described triggering transmitter TSCB1 provides trigger current for high-pressure thyristor TSC1; Described triggering transmitter TSCB2 provides trigger current for high-pressure thyristor TSC2.All just to a moving contact 1, each moving contact 1 is in parallel, and each moving contact 1 is all fixed a permanent magnet 2 for described working contact K1/K2 and double-contact synchronous transition contact k1, k1 '/k2, k2 ', each permanent magnet 2 another rectify moving contact driving mechanism; Described moving contact driving mechanism realizes moving contact 1 and working contact K1/K2 and double-contact synchronous transition contact k1, k1 by changing to the active force of permanent magnet 2 '/k2, k2 ' contact or be separated, and then realize the switching from a tap to another tap.Described moving contact driving mechanism comprises the magnetic conductor 3 that rotating permanent magnet 4 and head end are coated on rotating permanent magnet 4 side, and magnetic conductor 3 end is just to permanent magnet 2.
As shown in Fig. 3 to Fig. 9, the process that moving contact 1 is switched to working contact K2 from working contact K1 is as follows:
Shown in Fig. 3, moving contact D1 contacts with working contact K1, triggers transmitter TSCB1, triggers transmitter TSCB2 no current;
Shown in Fig. 4, moving contact D1 contacts with working contact K1, moving contact D2 transition contact k1, k1 synchronous with double-contact ' contact, trigger transmitter TSCB1, trigger transmitter TSCB2 no current;
Shown in Fig. 5, moving contact D2 transition contact k1, k1 synchronous with double-contact ' contact, trigger transmitter TSCB1, triggering transmitter TSCB2 has electric current;
Shown in Fig. 6, moving contact D2 transition contact k1, k1 synchronous with double-contact ' contact, moving contact D3 transition contact k2, k2 synchronous with double-contact ' contact, trigger transmitter TSCB1, triggering transmitter TSCB2 has electric current, the most easily produce electric arc;
Shown in Fig. 7, moving contact D3 transition contact k2, k2 synchronous with double-contact ' contact, trigger transmitter TSCB1, triggering transmitter TSCB2 has electric current;
Shown in Fig. 8, moving contact D4 contacts with working contact K2, moving contact D3 transition contact k2, k2 synchronous with double-contact ' contact, trigger transmitter TSCB1, trigger transmitter TSCB2 no current;
Shown in Fig. 9, moving contact D4 contacts with working contact K2, triggers transmitter TSCB1, triggers transmitter TSCB2 no current.
When there is following fault, overhaul not in time and also can ensure normal work:
(1) when high-pressure thyristor TSC1 opens a way, working contact K1, working contact K2 starting the arc arc extinguishing;
(2) when high-pressure thyristor TSC2 opens a way, working contact K1, working contact K2 starting the arc arc extinguishing;
(3) during high-pressure thyristor TSC1 short circuit conducting, synchronous double-contact transition contact
K1, k1 ' starting the arc arc extinguishing;
(4) during high-pressure thyristor TSC2 short circuit conducting, synchronous double-contact transition contact
K2, k2 ' starting the arc arc extinguishing.
embodiment 2
A kind of permanent magnetic drive on-load voltage regulating switch, as shown in Figure 2, comprise switching switch circuit, described switching switch circuit comprises the identical odd number tap-change operation circuit of structure and even numbers tap-change operation circuit, the synchronous transition contact k1 of double-contact that described tap-change operation circuit comprises working contact K1/K2 and is made up of main contact k1/k2 and secondary contact k1 '/k2 ', k1 '/k2, k2 ', working contact K1/K2 is through triggering transmitter TSCB1/TSCB2, transition resistance R1/R2 is connected to main contact k1/k2, odd number tap-change operation main circuit contact k1 is connected to the secondary contact k2 ' of even numbers tap-change operation circuit through high-pressure thyristor TSC2, even numbers tap-change operation main circuit contact k2 is connected to the secondary contact k1 of odd number tap-change operation circuit through high-pressure thyristor TSC1.Described triggering transmitter TSCB1 provides trigger current for high-pressure thyristor TSC1; Described triggering transmitter TSCB2 provides trigger current for high-pressure thyristor TSC2.Described working contact K1/K2 and double-contact synchronous transition contact k1, k1 '/k2, k2 ' side is all connected with a permanent magnet 2, and opposite side is all just to a moving contact 1, and each moving contact 1 is parallel with one another, and each moving contact 1 is all connected to a working contact driving mechanism; Described working contact driving mechanism realizes moving contact 1 and working contact K1/K2 and double-contact synchronous transition contact k1, k1 by changing to the active force of permanent magnet 2 '/k2, k2 ' contact or be separated, and then realize the switching from a tap to another tap.Described moving contact driving mechanism comprises the magnetic conductor 3 that rotating permanent magnet 4 and head end are coated on rotating permanent magnet 4 side, and magnetic conductor 3 end is just to permanent magnet 2.
The course of work, with embodiment 1, does not repeat them here.

Claims (4)

1. a permanent magnetic drive on-load voltage regulating switch, comprise switching switch circuit, described switching switch circuit comprises the identical odd number tap-change operation circuit of structure and even numbers tap-change operation circuit, the synchronous transition contact of double-contact that described tap-change operation circuit comprises working contact and is made up of main contact and secondary contact, working contact is through triggering transmitter, transition resistance is connected to main contact, one tap-change operation main circuit contact is connected to the secondary contact of an other tap-change operation circuit through high-pressure thyristor, described triggering transmitter provides trigger current for the high-pressure thyristor be connected with the secondary contact of same tap-change operation circuit, it is characterized in that: described working contact and the synchronous transition contact of double-contact are all just to a moving contact, and each moving contact is parallel with one another, and each moving contact all fixes a permanent magnet, each permanent magnet other end is all just to a moving contact driving mechanism, described moving contact driving mechanism realizes moving contact by change to the active force of permanent magnet and contacts with working contact and transition contact or be separated, and then realizes the switching from a tap to another tap.
2. permanent magnetic drive on-load voltage regulating switch according to claim 1, is characterized in that: described moving contact driving mechanism comprises the magnetic conductor that rotating permanent magnet and head end are coated on rotating permanent magnet side, and magnetic conductor end is just to permanent magnet.
3. a permanent magnetic drive on-load voltage regulating switch, comprise switching switch circuit, described switching switch circuit comprises the identical odd number tap-change operation circuit of structure and even numbers tap-change operation circuit, the synchronous transition contact of double-contact that described tap-change operation circuit comprises working contact and is made up of main contact and secondary contact, working contact is through triggering transmitter, transition resistance is connected to main contact, one tap-change operation main circuit contact is connected to the secondary contact of an other tap-change operation circuit through high-pressure thyristor, described triggering transmitter provides trigger current for the high-pressure thyristor be connected with the secondary contact of same tap-change operation circuit, it is characterized in that: described working contact and the synchronous transition contact side of double-contact are all connected with a permanent magnet, and opposite side is all just to a moving contact, and each moving contact is parallel with one another, and each moving contact all connects a moving contact driving mechanism, described moving contact driving mechanism realizes moving contact by change to the active force of permanent magnet and contacts with working contact and transition contact or be separated, and then realizes the switching from a tap to another tap.
4. permanent magnetic drive on-load voltage regulating switch according to claim 3, is characterized in that: described moving contact driving mechanism comprises the magnetic conductor that rotating permanent magnet and head end are coated on rotating permanent magnet side, and magnetic conductor end is just to permanent magnet.
CN201420847952.2U 2014-12-29 2014-12-29 A kind of permanent magnetic drive on-load voltage regulating switch Active CN204270896U (en)

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Application Number Priority Date Filing Date Title
CN201420847952.2U CN204270896U (en) 2014-12-29 2014-12-29 A kind of permanent magnetic drive on-load voltage regulating switch

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Application Number Priority Date Filing Date Title
CN201420847952.2U CN204270896U (en) 2014-12-29 2014-12-29 A kind of permanent magnetic drive on-load voltage regulating switch

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108155032A (en) * 2018-01-18 2018-06-12 刁俊起 A kind of electricity permanent magnetism on-load voltage regulating switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108155032A (en) * 2018-01-18 2018-06-12 刁俊起 A kind of electricity permanent magnetism on-load voltage regulating switch

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