CN108155033A - A kind of electricity permanent magnetism on-load voltage regulating switch - Google Patents
A kind of electricity permanent magnetism on-load voltage regulating switch Download PDFInfo
- Publication number
- CN108155033A CN108155033A CN201810051037.5A CN201810051037A CN108155033A CN 108155033 A CN108155033 A CN 108155033A CN 201810051037 A CN201810051037 A CN 201810051037A CN 108155033 A CN108155033 A CN 108155033A
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- China
- Prior art keywords
- contact
- tap
- change operation
- transition
- operation circuit
- Prior art date
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 14
- 230000005389 magnetism Effects 0.000 title claims abstract description 13
- 230000005611 electricity Effects 0.000 title claims description 13
- 230000007704 transition Effects 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000001360 synchronised effect Effects 0.000 claims abstract description 13
- 230000001960 triggered effect Effects 0.000 claims abstract description 7
- 230000005284 excitation Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 4
- -1 aluminium nickel cobalt Chemical compound 0.000 claims description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 4
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910000828 alnico Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0016—Contact arrangements for tap changers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to a kind of electric permanent magnetism on-load voltage regulating switch, including singular tap-change operation circuit and even numbers tap-change operation circuit, tap-change operation circuit includes working contact transition contact synchronous with the double-contact being made of main contact and secondary contact, the triggered transmitter of working contact, transition resistance are connected to main contact, equal one moving contact of face of working contact transition contact synchronous with double-contact, each moving contact is parallel with one another, each moving contact is both secured to a permanent magnet one end, each equal one moving contact driving mechanism of face of the permanent magnet other end；Moving contact driving mechanism includes a driving body and the excitation magnet exciting coil for being wound in driving body periphery, and magnet exciting coil end applies pulse current.The configuration of the present invention is simple applies pulse current control contact folding in magnet exciting coil, and reliable in action realizes Programmable logical controller, easy to control flexible, extends switch service life, reduces accident rate.
Description
Technical field
The present invention relates to a kind of on-load voltage regulating switch, and in particular to a kind of electricity permanent magnetism on-load voltage regulating switch.
Background technology
Transformer is by changing the effective excitation wire of high voltage side of transformer from a tap-change operation to another tap
The number of turn is enclosed, realizes pressure regulation purpose.On-load voltage regulating switch carrys out switchable load electric current by switching switch, and quick mechanism is switching switch
Power source, quick mechanism is mainly using spring energy release device at present, but spring poor reliability, once main spring damage will cause
All paralysis, and with the extension of usage time, spring is gradually deteriorated or spring breakage, will all cause serious consequence.Shen
It please be number a kind of using permanent magnet is driven to control moving contact and working contact to be disclosed in 201420847952.2 patent document
And the permanent magnetic drive on-load voltage regulating switch of transition contact contact or separation, it controls and moves by the change in location of rotating permanent magnet
The permanent magnet action of contact connection, there are the following problems：(1) entire voltage-regulating switch unit volume is big, heavier；(2) due to
Rotating permanent magnet change in location needs the time, the time can not quickly control and can not flexibly control；(3) it can not realize programmable
Logic control.
Invention content
There is load to adjust in view of the above-mentioned problems, the present invention provides a kind of electric permanent magnetism simple in structure, can be achieved to become logic control
It compresses switch.
To solve the above problems, the technical solution that the present invention takes is：A kind of electricity permanent magnetism on-load voltage regulating switch, including switching
Switching circuit, the switching switch circuit include the identical singular tap-change operation circuit of structure and even numbers tap-change operation electricity
Road, the tap-change operation circuit include working contact transition contact synchronous with the double-contact being made of main contact and secondary contact,
The triggered transmitter of working contact, transition resistance are connected to main contact, and a tap-change operation circuit main contact is through high-pressure thyristor
The secondary contact of other tap-change operation circuit is connected to, the triggering transmitter is the pair with same tap-change operation circuit
The high-pressure thyristor of contact connection provides trigger current；The equal face one of working contact transition contact synchronous with double-contact is dynamic
Contact, each moving contact is parallel with one another, and each moving contact is both secured to a permanent magnet one end, each equal face one of the permanent magnet other end
Moving contact driving mechanism；The moving contact driving mechanism includes a driving body and the excitation wire for being wound in driving body periphery
Circle, magnet exciting coil end apply pulse current.Change the direction of pulse current, i.e., just magnetized to driving body, reversely charging magnetic, from
And the permanent magnet action being connect with moving contact is driven, and then realize that moving contact synchronizes the contact of contact with working contact, double-contact
And separation.
A kind of electricity permanent magnetism on-load voltage regulating switch, including switching switch circuit, the switching switch circuit includes structure phase
Same singular tap-change operation circuit and even numbers tap-change operation circuit, the tap-change operation circuit include working contact and mistake
Contact is crossed, the triggered transmitter of working contact, transition resistance are connected to transition contact, tap-change operation circuit transition contact warp
High-pressure thyristor is connected to the transition contact of other tap-change operation circuit, and the triggering transmitter is and same tap
The high-pressure thyristor of the transition contact connection of switching circuit provides trigger current；The working contact and transition contact one end is equal
A permanent magnet is connected with, equal one moving contact of face of the other end, each moving contact is parallel with one another, and each moving contact is all connected with a driving
Mechanism；The driving mechanism includes the driving body being connect with moving contact and the magnet exciting coil for being wound in driving body periphery, encourages
Magnetic coil end applies pulse current.Change the direction of pulse current, i.e., just magnetized to driving body, reversely charging magnetic, so as to drive
It is dynamic with working contact, the permanent magnet action of the synchronouss contact connection of double-contact, and then realization moving contact and working contact, double-contact are same
Step contact is contacting and separating.
The moving contact driving mechanism (driving mechanism) realizes moving contact and work by the active force changed to permanent magnet
Make contact and transition contact contact or separation, and then realize the switching from a tap to another tap.
The driving body is made of the magnet steel of aluminium nickel cobalt class variable magnetic pole, the permanent magnet can be used neodymium iron boron,
The kicker magnets such as SmCo are made.
Iron-cobalt-nickel and magnet exciting coil cooperation of magnetizing have variable magnetic pole permanent magnetism bulk properties, by changing magnet exciting coil application
Pulse current changes the magnetic pole of driving body, will be original so as to which moving contact be controlled to contact or detach with working contact and transition contact
Permanent magnet drive form be changed to by magnet exciting coil apply pulse current be advantageously implemented when PLC technology, convenient, flexible control
The folding of contact processed；Strong magnetic field during impulsive switched helps contact to realize moment folding.Pulse current can change moment when switching
Become magnetic pole, shorten the switch motion time, reduce arc erosion contact and reduce electric arc heat production heating, improve contact working life,
Greatly improve switch reliability.
The configuration of the present invention is simple applies pulse current control contact folding in magnet exciting coil, and reliable in action is realized programmable
Logic control, it is easy to control flexible, extend switch service life, reduce accident rate.
Description of the drawings
Fig. 1 contacts schematic diagram for 1 moving contact of embodiment with working contact K1；
Fig. 2 synchronizes transition contact k1, k1 for 1 moving contact of embodiment with working contact K1, double-contact ' contact schematic diagram；
Fig. 3 is 1 moving contact of embodiment transition contact k1, k1 ' synchronous with double-contact, double-contact synchronizes transition contact k2, k2 '
Contact schematic diagram；
Fig. 4 is 1 moving contact of embodiment and double-contact synchronization transition contact k2, k2 ', working contact K2 contact schematic diagram；
Fig. 5 contacts schematic diagram for 1 moving contact of embodiment with working contact K2；
Fig. 6 contacts schematic diagram for 2 moving contact of embodiment with working contact K1；
Fig. 7 is 2 moving contact of embodiment and working contact K1, transition contact k1, k1 ' contact schematic diagram；
Fig. 8, which is 2 moving contact of embodiment and transition contact k1, k1, ', transition contact k2, k2 ' contacts schematic diagram；
Fig. 9 is 2 moving contact of embodiment and transition contact k2, k2 ', working contact K2 contact schematic diagram；
Figure 10 contacts schematic diagram for 2 moving contact of embodiment with working contact K2；
Wherein, 1, moving contact, 2, permanent magnet, 3, driving body, 4, magnet exciting coil
K1, K2 are working contact, and R1, R2 are transition resistance, and k1, k1 ' and k2, k2 ' are synchronous double-contact transition contact,
Middle k1, k2 are main contact；K1 ', k2 ' are secondary contact, and TSCB1, TSCB2 are triggering transmitter, and TSC1, TSC2 are high piezocrystal lock
Pipe.
Specific embodiment
Embodiment 1
As shown in Figures 1 to 5, moving contact 1 be switched to from working contact K1 working contact K2 process it is as follows：
Shown in Fig. 1, moving contact 1 is contacted with working contact K1, and triggering transmitter TSCB1, triggering transmitter TSCB 2 are without electricity
Stream；
Shown in Fig. 2, moving contact 1 synchronizes transition contact k1, k1 with working contact K1, double-contact ' it contacts, trigger transmitter
TSCB1,2 no currents of triggering transmitter TSCB；
Shown in Fig. 3, transition contact k1, the k1 ' synchronous with double-contact of moving contact 1, double-contact synchronize transition contact k2, k2 ' it connects
It touches, triggering transmitter TSCB1, triggering transmitter TSCB 2 have electric current, are most also easy to produce electric arc；
Shown in Fig. 4, moving contact 1 synchronizes transition contact k2, k2 with working contact K2, double-contact ' it contacts, trigger transmitter
TSCB1,2 no currents of triggering transmitter TSCB；
Shown in Fig. 5, moving contact 1 is contacted with working contact K2, and triggering transmitter TSCB1, triggering transmitter TSCB 2 are without electricity
Stream.
When there is following failure, overhaul also can guarantee normal work not in time：
(1) when high-pressure thyristor TSC1 opens a way, working contact K1, working contact K2 starting the arc arc extinguishings；
(2) when high-pressure thyristor TSC2 opens a way, working contact K1, working contact K2 starting the arc arc extinguishings；
(3) during 1 short circuit conductings of high-pressure thyristor TSC, synchronous double-contact transition contact
K1, k1 ' starting the arc arc extinguishing；
(4) when high-pressure thyristor TSC2 short circuits are connected, synchronous double-contact transition contact k2, k2 ' starting the arc arc extinguishing.
A kind of electricity permanent magnetism on-load voltage regulating switch, including switching switch circuit, the switching switch circuit includes structure phase
With singular tap-change operation circuit and even numbers tap-change operation circuit, the tap-change operation circuit include working contact K1,
K2 transition contact k1, k1 synchronous with the double-contact being made of main contact k1, k2 and secondary contact k1 ', k2 ' ' and k2, k2 ', work is touched
Head triggered transmitter TSCB1, TSCB2 transition resistance R1, R2 of K1, K2 is connected to main contact k1, k2, a tap-change operation circuit
Main contact K1, K2 are connected to secondary contact k1 ', the k2 ' of other tap-change operation circuit, institute through high-pressure thyristor TSC1, TSC2
Triggering transmitter TSCB1, the TSCB2 stated is the high piezocrystal lock being connect with secondary contact k1 ', the k2 ' of same tap-change operation circuit
Pipe TSC1, TSC2 provide trigger current；Described working contact K1, K2 transition contact k1, k1s ' synchronous with double-contact and k2, k2 '
One moving contact 1 of equal face, each moving contact 1 is parallel with one another, and each moving contact 1 is both secured to 2 one end of a permanent magnet, each permanent magnet
The equal one moving contact driving mechanism of face of 2 other ends；The moving contact driving mechanism includes a driving body 3 and is wound in driving
The magnet exciting coil 4 of 3 periphery of body, 4 end of magnet exciting coil apply pulse current.It is variable that aluminium nickel cobalt class can be used in the driving body 3
The magnet steel of magnetic pole is made.Permanent magnet 2 can be used the kicker magnets such as neodymium iron boron, SmCo and be made.
Embodiment 2
A kind of electricity permanent magnetism on-load voltage regulating switch, including switching switch circuit, the switching switch circuit includes structure phase
With singular tap-change operation circuit and even numbers tap-change operation circuit, the tap-change operation circuit include working contact K1,
K2 and transition contact k1, k1 ' and k2, k2 ', triggered transmitter TSCB1, TSCB2 transition resistance R1, the R2 of working contact K1, K2
It is connected to transition contact, tap-change operation circuit transition contact k1, k1 ' and k2, k2 ' connect through high-pressure thyristor TSC1, TSC2
It is connected to transition contact k1, k1 of other tap-change operation circuit ' and k2, k2 ', described triggering transmitter TSCB1, TSCB2
For transition contact k1, k1 with same tap-change operation circuit ' and k2, k2 ' high-pressure thyristor TSC1, TSC2 for connecting provide and touch
Power generation stream；Described working contact K1, K2 and transition contact k1, k1 ' and k2, k2 ' one end be respectively connected with a permanent magnet 2, it is another
Equal one moving contact 1 of face is held, each moving contact 1 is parallel with one another, and each moving contact 1 is all connected with a driving mechanism；The driving
Mechanism includes the driving body 3 being connect with moving contact 1 and the magnet exciting coil 4 for being wound in 3 periphery of driving body, 4 end of magnet exciting coil
Apply pulse current.The driving body 3 is made of the magnet steel of aluminium nickel cobalt class variable magnetic pole, and the permanent magnet 2 can be used
The kicker magnets such as neodymium iron boron, SmCo are made.
As shown in Fig. 6 to Figure 10, moving contact 1 is switched to the process of working contact K2 with embodiment 1 from working contact K1.
Claims (3)
1. a kind of electricity permanent magnetism on-load voltage regulating switch, including switching switch circuit, it is identical that the switching switch circuit includes structure
Singular tap-change operation circuit and even numbers tap-change operation circuit, the tap-change operation circuit include working contact and by leading
The double-contact of contact and secondary contact composition synchronizes transition contact, and the triggered transmitter of working contact, transition resistance are connected to main touch
Head, a tap-change operation circuit main contact is connected to the secondary contact of other tap-change operation circuit through high-pressure thyristor, described
Triggering transmitter provide trigger current for the high-pressure thyristor being connect with the secondary contact of same tap-change operation circuit；Its feature
It is：Equal one moving contact of face (1) of working contact transition contact synchronous with double-contact, each moving contact (1) is mutually simultaneously
Connection, each moving contact (1) are both secured to a permanent magnet (2) one end, each equal one moving contact driving machine of face of permanent magnet (2) other end
Structure；The moving contact driving mechanism includes a driving body (3) and the excitation magnet exciting coil for being wound in driving body (3) periphery
(4), magnet exciting coil (4) end applies pulse current.
2. a kind of electricity permanent magnetism on-load voltage regulating switch, including switching switch circuit, it is identical that the switching switch circuit includes structure
Singular tap-change operation circuit and even numbers tap-change operation circuit, the tap-change operation circuit include working contact and transition
Contact, the triggered transmitter of working contact, transition resistance are connected to transition contact, and a tap-change operation circuit transition contact is through height
Piezocrystal brake tube is connected to the transition contact of other tap-change operation circuit, and the triggering transmitter is cuts with same tap
The high-pressure thyristor for changing the transition contact connection of circuit provides trigger current；It is characterized in that：The working contact and transition
Contact one end is respectively connected with a permanent magnet (2), and equal one moving contact of face (1) of the other end, each moving contact (1) is parallel with one another, often
A moving contact (1) is all connected with a driving mechanism；The driving mechanism include the driving body (3) that is connect with moving contact (1) and
The magnet exciting coil (4) of driving body (3) periphery is wound in, magnet exciting coil (4) end applies pulse current.
3. electricity permanent magnetism on-load voltage regulating switch according to claim 1 or 2, it is characterised in that：The driving body (3) uses
The magnet steel of aluminium nickel cobalt variable magnetic pole is made, and neodymium iron boron can be used in the permanent magnet (2), SmCo kicker magnet is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051037.5A CN108155033A (en) | 2018-01-18 | 2018-01-18 | A kind of electricity permanent magnetism on-load voltage regulating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051037.5A CN108155033A (en) | 2018-01-18 | 2018-01-18 | A kind of electricity permanent magnetism on-load voltage regulating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108155033A true CN108155033A (en) | 2018-06-12 |
Family
ID=62461564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810051037.5A Pending CN108155033A (en) | 2018-01-18 | 2018-01-18 | A kind of electricity permanent magnetism on-load voltage regulating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108155033A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201217599Y (en) * | 2008-04-30 | 2009-04-08 | 吴建华 | Permanent magnetic hoisting electromagnet |
| JP2014103197A (en) * | 2012-11-19 | 2014-06-05 | Mitsubishi Electric Corp | On-load tap changer |
| CN104517753A (en) * | 2014-12-29 | 2015-04-15 | 刁俊起 | Permanent magnet drive on-load voltage regulating switch |
| CN104517742A (en) * | 2014-12-29 | 2015-04-15 | 刁俊起 | Permanent magnet drive on-load voltage regulating switch |
-
2018
- 2018-01-18 CN CN201810051037.5A patent/CN108155033A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201217599Y (en) * | 2008-04-30 | 2009-04-08 | 吴建华 | Permanent magnetic hoisting electromagnet |
| JP2014103197A (en) * | 2012-11-19 | 2014-06-05 | Mitsubishi Electric Corp | On-load tap changer |
| CN104517753A (en) * | 2014-12-29 | 2015-04-15 | 刁俊起 | Permanent magnet drive on-load voltage regulating switch |
| CN104517742A (en) * | 2014-12-29 | 2015-04-15 | 刁俊起 | Permanent magnet drive on-load voltage regulating switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180612 |
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| RJ01 | Rejection of invention patent application after publication |