CN107968002A - A kind of permanent magnet vacuum on-load tap changer - Google Patents
A kind of permanent magnet vacuum on-load tap changer Download PDFInfo
- Publication number
- CN107968002A CN107968002A CN201711237621.1A CN201711237621A CN107968002A CN 107968002 A CN107968002 A CN 107968002A CN 201711237621 A CN201711237621 A CN 201711237621A CN 107968002 A CN107968002 A CN 107968002A
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- Prior art keywords
- permanent magnet
- insulation
- pressure regulation
- vacuum
- drive
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- 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
-
- 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
- H01H9/0038—Tap change devices making use of vacuum switches
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Disclosed by the invention is a kind of permanent magnet vacuum on-load tap changer, including babinet, pressure regulation selecting switch group, pressure regulation switching switch group are installed in the babinet, the control mechanism being connected with the pressure regulation selecting switch group, pressure regulation switching switch group is installed on the cabinet exterior, the present invention uses driving mechanism of the permanent magnet mechanism as voltage-regulation tap changer, fast and reliable as the main switching contact of load ratio bridging switch, switching by the use of vacuum interrupter, mechanical life is grown, pollution-free to transformer oil；It is safe without manual operation during pressure regulation, do not influence power supply continuity；It is simple in structure, it is easy to operate, workload is reduced, adjustment is corresponding rapid.
Description
Technical field
The present invention relates to a kind of permanent magnet vacuum on-load tap changer, belongs to distribution transformer pressure regulation field.
Background technology
Distribution transformer in the process of running, since the change of load is big and relatively more frequent, transformer output voltage amplitude
Change is big, declines power supply quality and stability, influences the normal use of electrical equipment, therefore distribution transformer increase pressure regulation point
Voltage output can be ensured in acceptability limit by connecing switch, improve each stability of power supply quality, the at present pressure regulation of distribution transformer
Tap switch uses no-load tapping switch mostly, and when pressure regulation needs disconnecting transformer power supply, then carries out manual voltage regulation, influences to power
Continuity, and there are heavy workload, cannot adjust in time the shortcomings of.
The content of the invention
In order to solve above-mentioned prior art problem, the present invention uses driving machine of the permanent magnet mechanism as voltage-regulation tap changer
Structure, by the use of vacuum interrupter as the main switching contact of load ratio bridging switch, switching is fast and reliable, mechanical life length, to transformation
Device oil is pollution-free, and two groups of switches complete whole pressure regulation handoff procedure, and one of which is used as pressure regulation as pressure regulation selecting switch, one group
Switching switch, the effect of pressure regulation selecting switch is that different transformer tap points is selected before pressure regulation, is got ready for pressure regulation, then adjust
Toggle switch acts, and electric current is disconnected from a tap, is transferred on another tap, completes pressure regulation action, adjusts
There is no a switching electric current during pressure selecting switch action, therefore use common contact, pressure regulation switching switch to be cut-off when acting and
Switching current is closed, electric arc can be produced, therefore easily put out in arc-chutes as switching contact, electric arc using vacuum interrupter
Go out, have no effect on the insulation performance of transformer oil.
To achieve these goals, the present invention is achieved by the following technical solutions：
A kind of permanent magnet vacuum on-load tap changer, including babinet, be provided with the babinet pressure regulation selecting switch group,
Pressure regulation switching switch group, is provided with the cabinet exterior and is connected with the pressure regulation selecting switch group, pressure regulation switching switch group
Control mechanism.
As an improvement the control mechanism includes selecting switch permanent magnet mechanism, switching switch permanent magnet mechanism, the choosing
Select switch permanent magnet mechanism to be sequentially connected with pressure regulation selecting switch group, the switching switch permanent magnet mechanism is passed with pressure regulation switching switch group
Dynamic connection.
As an improvement the pressure regulation selecting switch group includes insulation board, insulation push rod, the insulation board is fixed on case
In vivo, multicomponent contact head is equipped with insulation board, is made of per component contact head several spaced single-tap heads, institute
State and several tap conversion contacts are connected on insulation push rod, it is each to tap conversion contact and component contact head electric connection, institute
State insulation push rod and be connected linkage with selecting switch permanent magnet mechanism.
As an improvement the selecting switch permanent magnet mechanism includes the stent being installed on cabinet exterior, the stent
On primary transmission mechanism and the secondary drive mechanism being connected with primary transmission mechanism driving, the primary transmission mechanism are installed
, respectively can on then described forward and reverse driving permanent magnet mechanism before including forward drive permanent magnet mechanism, reverse drive permanent magnet mechanism
Activity is provided through a No.1 drive rod, and the No.1 drive rod drives moving in permanent magnet mechanism with forward and reverse respectively
Iron core connects, and No. two transmission mechanisms include rack, shaft, and the shaft is rack-mount, and drive is arranged with shaft
Driving wheel, driving gear, offer several races, the front end of two No.1 drive rods is connected to around driving wheel neighboring
One drive block, the drive block are set positioned at the left and right sides of driving wheel neighboring respectively, and the rack is slidably arranged on
In rack, and setting is engaged with driving gear, the insulation push rod is connected linkage with rack.
As an improvement the pressure regulation switching switch group includes insulation shaft, the vacuum interrupter being installed in babinet
Insulation fixing plate, several vacuum interrupters, described insulation shaft one end are provided with the vacuum interrupter insulation fixing plate
Driving connecting lever is arranged with, the driving connecting lever is sequentially connected with switching switch permanent magnet mechanism, is arranged with insulation shaft some
A single head sector connecting lever, each single head sector connecting lever are respectively connected with a connecting rod, the connecting rod respectively with a vacuum interrupter
Moved end connection.
As an improvement the switching switch permanent magnet mechanism includes No. two drive rods, No. two drive rods and switching
The dynamic iron core connection in permanent magnet mechanism is switched, the driving connecting lever is connected linkage with No. two drive rods.
Insulate as an improvement further including the guide sleeve being arranged between insulation shaft and vacuum interrupter insulation fixing plate
Fixed plate, is equipped with several and the one-to-one guide sleeve of single head sector connecting lever on the guide sleeve insulation fixing plate, described
Connecting rod is slidably disposed in guide sleeve respectively.
As an improvement be made of per component contact head several spaced single tap contacts, it is two neighboring
It is smaller than or equal to the width for tapping conversion contact between single tap contact.
As an improvement including strange contact, even contact per component contact head, the strange contact is tapped with transformer odd number
Head is electrically connected, and the idol contact is electrically connected with transformer even number tap.
As an improvement further including connector insulation fixing plate, the connector insulation fixing plate is arranged in babinet,
The connector parallel with insulation board is provided with the connector insulation fixing plate, the tap conversion contact is slidably set
Put on connector.
Beneficial effect：The present invention uses driving mechanism of the permanent magnet mechanism as voltage-regulation tap changer, utilizes vacuum interrupter
As the main switching contact of load ratio bridging switch, switching is fast and reliable, mechanical life length, pollution-free to transformer oil；During pressure regulation
It is safe without manual operation, do not influence power supply continuity；It is simple in structure, it is easy to operate, reduce workload, adjustment response
Rapidly.
Brief description of the drawings
Fig. 1 is front view of the present invention；
Fig. 2 is side view of the present invention；
Fig. 3 is top view of the present invention；
Fig. 4 is cut away view at front view B-B of the present invention；
Fig. 5 is cut away view at front view C-C of the present invention；
Fig. 6 is driving wheel structure schematic diagram of the present invention；
Fig. 7 is voltage-regulation principle circuit diagram of the present invention；
Fig. 8 is single head sector crank arm structure schematic diagram of the present invention.
In figure：1- babinets；2- pressure regulation selecting switch groups；3- pressure regulation switching switch groups；4- control mechanisms；5- selecting switch is forever
Magnetic mechanism；6- switching switch permanent magnet mechanisms；7- insulation boards；8- insulation push rods；9- taps contact；10- taps conversion contact；11-
Stent；12- primary transmissions mechanism；13- secondary drive mechanisms；14- forward drive permanent magnet mechanisms；15- reverse drive permanent magnet mechanisms；
16- No.1 drive rods；17- racks；18- shafts；19- driving wheels；20- driving gears；21- races；22- drive blocks；23- insulate
Shaft；24- vacuum interrupter insulation fixing plates；25- drives connecting lever；26- single head sector connecting levers；27- connecting rods；No. bis- drivings of 28-
Bar；29- guide sleeve insulation fixing plates；30- guide sleeves；31- connector insulation fixing plates；32- connectors；33- vacuum interrupters.
Embodiment
Below in conjunction with Figure of description, the invention will be further described, but the invention is not limited in following embodiments.
It is as shown in figures 1-8 a kind of specific embodiment of permanent magnet vacuum on-load tap changer, the embodiment one kind is forever
Magnetic vacuum on-load tap changer, including babinet 1, pressure regulation selecting switch group 2 are provided with the babinet 1, pressure regulation switching is opened
Pass group 3, is provided with the control machine being connected with the pressure regulation selecting switch group 2, pressure regulation switching switch group 3 on 1 outer wall of babinet
Structure 4；
A kind of permanent magnet vacuum on-load tap changer of the present invention, including babinet 1, are provided with pressure regulation selection in babinet 1
Switching group 2, pressure regulation switching switch group 3, are provided with outside babinet 1 and are connected with pressure regulation selecting switch group 2, pressure regulation switching switch group 3
Control mechanism 4, the action of pressure regulation selecting switch group 2 or pressure regulation switching switch group 3 is controlled by control mechanism 4 to complete pressure regulation
Switching, the present invention complete whole pressure regulation handoff procedure using pressure regulation selecting switch group 2, pressure regulation switching switch group 3, and pressure regulation selection is opened
Group 2 function in pass selects different transformer tap points before being pressure regulation, gets ready for pressure regulation, then exchange toggle switch group 3
Pressure regulation switching switch action is carried out, electric current is disconnected from a tap, is transferred on another tap, pressure regulation is completed and moves
Make, pressure regulation selecting switch group 2 does not have switching electric current when acting, therefore uses common contact, and pressure regulation switching switch group 3 acts
When to disconnect and close switching current, easily extinguished in arc-chutes as switching contact, electric arc using vacuum interrupter, avoided
The insulation performance of transformer oil is influenced, the present invention need not be manually operated in pressure regulation, safe, not influence power supply continuity,
It is simple in structure, it is easy to operate, workload is reduced, adjustment response is rapid.
As an improvement the control mechanism 4 includes selecting switch permanent magnet mechanism 5, switching switch permanent magnet mechanism 6, institute
State selecting switch permanent magnet mechanism 5 to be sequentially connected with pressure regulation selecting switch group 2, the switching switch permanent magnet mechanism 6 switches with pressure regulation
Switching group 3 is sequentially connected；As shown in Figs. 1-2, control mechanism 4 includes selecting switch permanent magnet mechanism 5, switching switch permanent magnet mechanism 6,
Selecting switch permanent magnet mechanism 5 and pressure regulation selecting switch group 2 are sequentially connected, switching switch permanent magnet mechanism 6 and pressure regulation switching are opened
Pass group 3 is sequentially connected, by regarding selecting switch permanent magnet mechanism 5, switching switch permanent magnet mechanism 6 as driving mechanism, pressure regulation switching
Fast and reliable, mechanical life length is pollution-free to transformer oil, safe without manual operation during pressure regulation, does not influence for being electrically connected
Continuous property, it is simple in structure, it is easy to operate, workload is reduced, adjustment response is rapid.
As an improvement the pressure regulation selecting switch group 2 includes insulation board 7, insulation push rod 8, the insulation board 7 is fixed
In babinet 1, multicomponent contact head 9 is equipped with insulation board 7, per component contact head 9 by several spaced single-taps
Head forms, several tap conversion contacts 10 are connected on the insulation push rod 8, and each conversion contact 10 that taps is contacted with a component
First 9 are electrically connected, and the insulation push rod 8 is connected linkage with selecting switch permanent magnet mechanism 5；Pressure regulation selection as shown in figs. 1-7 is opened
Pass group 2 includes insulation board 7, insulation push rod 8, insulation board 7 is fixed in babinet 1, and multigroup tap is equipped with insulation board 7
Contact 9, tap contact 9 are connected with load tap changer, several tap conversion contacts 10, Mei Gefen are connected on the push rod 8 that insulate
Connect conversion contact 10 to be electrically connected with a component contact head 9, insulation push rod 8 is connected linkage with selecting switch permanent magnet mechanism 5, just
Beginning state is respectively positioned on 9 high order end of a component contact head (output voltage highest) as shown in figure 4, each tapping conversion contact 10, from
Left-to-right the single-tap head in every component contact head 9 can be in turn divided into by Arabic numerals label " 1,2,3,4...... ",
During output voltage highest, each conversion contact 10 that taps is electrically connected with 1 contact in a component contact head 9, works as selecting switch
Permanent magnet mechanism 5 drive insulation push rod 8 turn right slip when, insulation push rod 8 with tap conversion contact 10 it is for linear motion to the right, make
Tap conversion contact 10 is transferred on 3 contacts from 1 contact in a component contact head 9, is realized that decompression is preliminary and is prepared, tap conversion
When 1 contact is transferred to 3 contacts, it keeps being electrically connected contact 10 with 2 contacts all the time, as shown in fig. 7, switching switch permanent magnetic motor
6 action control of structure closes switching switch 1, and electric current flows to transformer by 2 contacts, switching switch 1 during pressure regulation, and then switching is opened
Pass 6 action control of permanent magnet mechanism closes switching switch 3-disconnecting switching switch 1-and closes switching switch 2, flows a current through 3 and touches
Head, switching switch 2 arrive transformer, that is, complete pressure reduction, and next pressure reduction tap conversion moving contact 10 is gone to from 2 contacts
4 contacts, 6 action control pressure regulation switching switch of switching switch permanent magnet mechanism disconnection switching switch 2-close switching switch 1-disconnection
Switching switch 3, flows a current through 4 contacts, switching switch 1 arrives transformer, completes pressure reduction, until tap changes moving contact 10
To 9 low order end of a component contact head, output voltage drops to minimum, the same decompression of boost action principle, 5 band of selecting switch permanent magnet mechanism
Dynamic insulation push rod 8 is turned left slip.
As an improvement the selecting switch permanent magnet mechanism 5 includes the stent 11 being installed on 1 outer wall of babinet, it is described
Primary transmission mechanism 12 and the secondary drive mechanism 13 being sequentially connected with primary transmission mechanism 11 are installed on stent 11, it is described
Primary transmission mechanism 12 includes forward drive permanent magnet mechanism 14, reverse drive permanent magnet mechanism 15, from preceding then described forward drive
It is mobilizable respectively on permanent magnet mechanism 14, reverse drive permanent magnet mechanism 15 to be provided through a No.1 drive rod 16, described one
Number drive rod 16 is connected with the dynamic iron core in forward drive permanent magnet mechanism 14, reverse drive permanent magnet mechanism 15 respectively, described No. two
Transmission mechanism 13 includes rack 17, shaft 18, and the shaft 18 is installed on stent 11, and driving wheel is arranged with shaft 18
19th, driving gear 20, several races 21, the front end difference of two No.1 drive rods 16 are offered around 19 neighboring of driving wheel
A drive block 22 is connected with, the drive block 22 is set positioned at the left and right sides of 19 neighboring of driving wheel respectively, the rack
17 are slidably arranged in rack 11, and setting is engaged with driving gear 20, and the insulation push rod 8 is connected parallel connection with rack 17
It is dynamic；
As shown in figures 1 to 6, selecting switch permanent magnet mechanism 5 includes the stent 11 being installed on 1 outer wall of babinet, pacifies on stent 11
The secondary drive mechanism 13 being sequentially connected equipped with primary transmission mechanism 12 and with primary transmission mechanism 11, primary transmission mechanism 12
Including forward drive permanent magnet mechanism 14, reverse drive permanent magnet mechanism 15, from preceding then forward drive permanent magnet mechanism 14, reverse drive
It is mobilizable respectively on permanent magnet mechanism 15 to be provided through a No.1 drive rod 16, No.1 drive rod 16 respectively with forward drive
Dynamic iron core connection in permanent magnet mechanism 14, reverse drive permanent magnet mechanism 15, No. two transmission mechanisms 13 include rack 17, shaft 18,
Shaft 18 is installed on stent 11, and driving wheel 19, driving gear 20 are arranged with shaft 18, is opened around 19 neighboring of driving wheel
Equipped with several races 21, the front end of two No.1 drive rods 16 is connected to a drive block 22, and drive block 22 distinguishes position
Set in the left and right sides of 19 neighboring of driving wheel, rack 17 is slidably arranged in rack 11, and is engaged with driving gear 20
Set, insulation push rod 8 is connected linkage with rack 17, and when forward drive permanent magnet mechanism 14 obtains operational order, forward drive is forever
Dynamic iron core drives No.1 drive rod 16 to promote forward in magnetic mechanism 14, and the drive block 22 of 16 front end of No.1 drive rod connection promotes
Race 21 on driving wheel 19 so that driving wheel 19 rotates counterclockwise an angle, while shaft 18 and driving gear 20
An angle is rotated, when driving gear 20 rotates an angle, driving gear 20 drives the rack 17 engaged to act, complete
Exported into positive action, when reverse drive permanent magnet mechanism 15 obtains operational order, iron is moved in reverse drive permanent magnet mechanism 15
Core ribbon is moved No.1 drive rod 16 and is promoted forward, and the drive block 22 of 16 front end of No.1 drive rod connection promotes the wheel on driving wheel 19
Groove 21 so that driving wheel 19 rotates clockwise an angle, while shaft 18 and driving gear 20 also rotate an angle, when
When driving gear 20 rotates an angle, driving gear 20 drives the rack 17 engaged to act, and completes a counteragent
Output, simple in structure, easy to operate, switching is rapid, rack 17 is connected with the push rod 8 that insulate, and is horizontally slipped realization by rack 17
Insulation push rod 8 horizontally slips.
As an improvement insulation shaft 23, vacuum that the pressure regulation switching switch group 3 includes being installed in babinet 1 are gone out
Arc chamber insulation fixing plate 24, is provided with several vacuum interrupters 33 on the vacuum interrupter insulation fixing plate 24, it is described absolutely
23 one end of edge shaft is arranged with driving connecting lever 25, and the driving connecting lever 25 is sequentially connected with switching switch permanent magnet mechanism 6, is insulating
Several single head sector connecting levers 26 are arranged with shaft 23, each single head sector connecting lever 26 is respectively connected with a connecting rod 27, described
Moved end of the connecting rod 27 respectively with a vacuum interrupter 33 is connected；As Figure 4-8, pressure regulation switching switch group 3 includes being installed on
Insulation shaft 23, vacuum interrupter insulation fixing plate 24 in babinet 1, if being provided with vacuum interrupter insulation fixing plate 24
Dry vacuum interrupter 33,23 one end of insulation shaft are arranged with driving connecting lever 25, driving connecting lever 25 and switching switch permanent magnet mechanism 6
It is sequentially connected, is arranged with several single head sector connecting levers 26 in the shaft 23 that insulate, each single head sector connecting lever 26 is respectively connected with one
A connecting rod 27, single head sector connecting lever 26 and connecting rod 27 by pin connection, each connecting rod 27 respectively with vacuum interrupter 33
Moved end connects, and by driving connecting lever 25 to drive insulation shaft 23 to rotate, insulation shaft 23 rotates switching switch permanent magnet mechanism 6, makes
Obtain single head sector connecting lever 26 and back and forth pull connecting rod 27, pull rod 27, which moves back and forth, drives the moved end of vacuum interrupter 33 to act to complete
The combined floodgate and separating brake of vacuum interrupter 33, in the combined floodgate pressure regulation switching switch group 3 corresponding with separating brake of different vacuum interrupters 33
Different switching switches (switching switch 1, switching switch 2, switching switch 3) disconnect and closure, are set in insulation shaft 23 not
It is different with 26 angle of single head sector connecting lever so that the direction that different single head sector connecting levers 26 drive connecting rod 27 to move back and forth is incomplete
It is identical, realize that switching switch 1, switching switch 2, the disconnection of switching switch 3 are different with closing order.
As an improvement the switching switch permanent magnet mechanism 6 includes No. two drive rods 28, No. two drive rods 28 with
Dynamic iron core connection in switching switch permanent magnet mechanism 6, the driving connecting lever 25 are connected linkage with No. two drive rods 28；Such as Fig. 5
Shown, switching switch permanent magnet mechanism 6 includes No. two drive rods 28, No. two drive rods 28 and moving in switching switch permanent magnet mechanism 6
Iron core connects, and driving connecting lever 25 is connected linkage with No. two drive rods 28, when switching switch permanent magnet mechanism 6 obtains instruction, moves
Iron core drives No. two drive rods 28 to move back and forth, and No. two drive rods 28, which move back and forth, drives driving connecting lever 25 to rotate, and drives connecting lever
25 are connected with No. two drive rods 28 similar in appearance to eccentric wheel connection, by No. two 28 rectilinear motion modes of drive rod by driving connecting lever 25
It is converted into rotational motion mode so that insulation shaft 23 rotates.
As an improvement further include the guide sleeve being arranged between insulation shaft 23 and vacuum interrupter insulation fixing plate 24
Insulation fixing plate 29, is equipped with several on the guide sleeve insulation fixing plate 29 and is led correspondingly with single head sector connecting lever 26
To set 30, the connecting rod 27 is slidably disposed in guide sleeve 30 respectively；As shown in Fig. 5,8, insulation shaft 23 is gone out with vacuum
Guide sleeve insulation fixing plate 29 is provided between arc chamber insulation fixing plate 24, several are equipped with guide sleeve insulation fixing plate 29
With 26 one-to-one guide sleeve 30 of single head sector connecting lever, connecting rod 27 is slidably disposed in guide sleeve 30 so that empty arc extinguishing
Dynamic/static contact contact in room 33 is stablized and vacuum interrupter 33 bears have good mechanical strength during dynamic current, even
It can make to maintain a rated pressure in vacuum interrupter 33 between dynamic/static contact with sheathed spring on bar 27.
As an improvement it is smaller than or equal to the width for tapping conversion contact 10 between two neighboring single-tap head；
It is made of several spaced single-tap heads per component contact head 9, is smaller than or equal to tap between adjacent single-tap head
The width of conversion contact 10, ensures do not have switching electric current when pressure regulation selecting switch group 2 works.
As an improvement include strange contact, even contact per component contact head 9, the strange contact and transformer odd number of points
Connector is electrically connected, and the idol contact is electrically connected with transformer even number tap；Include strange contact, idol per component contact head 9
Contact, strange contact and transformer odd number tap are electrically connected, and even contact is electrically connected with transformer even number tap, as Fig. 1,
Shown in 7, I group of pressure regulation selecting switch is respectively turned on transformer even number tap, and II group of pressure regulation selecting switch is respectively turned on transformer
Odd number tap, switching switch permanent magnet mechanism 6 control switching switch 1 disconnect and switching switch 2,3 then in an ON state, electricity
Stream is flowed out from transformer odd number tap and switching switch 2, it is necessary to when boosting, and II group of selecting switch remains up shape with 5 contacts
State, selecting switch permanent magnet mechanism 5 act so that I group of selecting switch is moved to 4 contacts from 6 contacts, then switching switch permanent magnetic motor
Structure 6 acts, and disconnects switching switch 2 successively, closes switching switch 1, disconnects switching switch 3, electric current is changed from 5 contacts to 4 and touch
Head, completes a boost action, and switching switch 1,2,3 corresponds to a vacuum interrupter 33, the disconnection of switching switch 1,2,3 respectively
Or closure is realized by the combined floodgate or separating brake of corresponding vacuum interrupter 33.
As an improvement further including connector insulation fixing plate 31, the connector insulation fixing plate 31 is arranged on case
In body 1, the connector 32 parallel with insulation board 7 is provided with the connector insulation fixing plate 31, the tap conversion is touched
First 10 are slidably disposed on connector 32；As shown in figure 4, connector insulation fixing plate 31 is additionally provided with babinet 1, even
The connector 32 parallel with insulation board 7 is provided with fitting insulation fixing plate 31, tap conversion contact 10 is slidably disposed in
On connector 32 so that insulation push rod 8 will not teetertotter when moving left and right, and stable structure, it is convenient that switching is adjusted.
Finally it should be noted that the invention is not restricted to above example, there can also be many variations.This area it is general
All deformations that logical technical staff directly can export or associate from present disclosure, are considered as the present invention's
Protection domain.
Claims (10)
1. a kind of permanent magnet vacuum on-load tap changer, including babinet (1), it is characterised in that：It is provided with the babinet (1)
Pressure regulation selecting switch group (2), pressure regulation switching switch group (3), are provided with and the pressure regulation selecting switch on babinet (1) outer wall
Group (2), the control mechanism (4) of pressure regulation switching switch group (3) connection.
A kind of 2. permanent magnet vacuum on-load tap changer according to claim 1, it is characterised in that：The control mechanism
(4) selecting switch permanent magnet mechanism (5), switching switch permanent magnet mechanism (6), the selecting switch permanent magnet mechanism (5) and pressure regulation are included
Selecting switch group (2) is sequentially connected, and the switching switch permanent magnet mechanism (6) is sequentially connected with pressure regulation switching switch group (3).
A kind of 3. permanent magnet vacuum on-load tap changer according to claim 2, it is characterised in that：The pressure regulation selection
Switching group (2) includes insulation board (7), insulation push rod (8), and the insulation board (7) is fixed in babinet (1), on insulation board (7)
Multicomponent contact head (9) is equipped with, is made of per component contact head (9) several spaced single-tap heads, the insulation pushes away
Several tap conversion contacts (10) are connected on bar (8), conversion contact (10) is each tapped and electrically connects with a component contact head (9)
Connect, the insulation push rod (8) is connected linkage with selecting switch permanent magnet mechanism (5).
A kind of 4. permanent magnet vacuum on-load tap changer according to claim 3, it is characterised in that：The selecting switch
Permanent magnet mechanism (5) includes the stent (11) being installed on babinet (1) outer wall, and primary transmission mechanism is provided with the stent (11)
(12) and with primary transmission mechanism (11) secondary drive mechanism (13) being sequentially connected, the primary transmission mechanism (12) include
Forward drive permanent magnet mechanism (14), reverse drive permanent magnet mechanism (15), from preceding then described forward and reverse driving permanent magnet mechanism (14,
15) it is mobilizable respectively on to be provided through a No.1 drive rod (16), the No.1 drive rod (16) respectively with it is forward and reverse
The dynamic iron core connection in permanent magnet mechanism (14,15) is driven, No. two transmission mechanisms (13) include rack (17), shaft (18),
The shaft (18) is installed on stent (11), and driving wheel (19), driving gear (20) are arranged with shaft (18), around drive
Driving wheel (19) neighboring offers several races (21), and the front end of two No.1 drive rods (16) is connected to a driving
Block (22), the drive block (22) are set positioned at the left and right sides of driving wheel (19) neighboring respectively, and the rack (17) can slide
It is dynamic to be arranged in rack (11), and setting is engaged with driving gear (20), the insulation push rod (8) is connected parallel connection with rack (17)
It is dynamic.
A kind of 5. permanent magnet vacuum on-load tap changer according to claim 1, it is characterised in that：The pressure regulation switching
Switching group (3) includes insulation shaft (23), the vacuum interrupter insulation fixing plate (24) being installed in babinet (1), the vacuum
Several vacuum interrupters (33) are installed, described insulation shaft (23) one end is arranged with drive on arc-chutes insulation fixing plate (24)
Dynamic connecting lever (25), the driving connecting lever (25) are sequentially connected with switching switch permanent magnet mechanism (6), are arranged in insulation shaft (23)
There are several single head sector connecting levers (26), each single head sector connecting lever (26) is respectively connected with a connecting rod (27), the connecting rod
(27) moved end respectively with a vacuum interrupter (33) is connected.
A kind of 6. permanent magnet vacuum on-load tap changer according to claim 5, it is characterised in that：The switching switch
Permanent magnet mechanism (6) includes No. two drive rods (28), No. two drive rods (28) and the dynamic iron in switching switch permanent magnet mechanism (6)
Core connects, and the driving connecting lever (25) is connected linkage with No. two drive rods (28).
A kind of 7. permanent magnet vacuum on-load tap changer according to claim 6, it is characterised in that：Further include and be arranged on
Guide sleeve insulation fixing plate (29) between the shaft that insulate (23) and vacuum interrupter insulation fixing plate (24), the guide sleeve insulation
Several and the one-to-one guide sleeve (30) of single head sector connecting lever (26), the connecting rod (27) point are equipped with fixed plate (29)
It is not slidably disposed in guide sleeve (30).
A kind of 8. permanent magnet vacuum on-load tap changer according to claim 3, it is characterised in that：Two neighboring single-tap
It is smaller than or equal to the width for tapping conversion contact (10) between head.
A kind of 9. permanent magnet vacuum on-load tap changer according to claim 5, it is characterised in that：Per component contact head
(9) strange contact, even contact are included, the strange contact is electrically connected with transformer odd number tap, the idol contact and transformer
Even number tap is electrically connected.
A kind of 10. permanent magnet vacuum on-load tap changer according to claim 3, it is characterised in that：Further include connection
Part insulation fixing plate (31), the connector insulation fixing plate (31) are arranged in babinet (1), are insulated and are fixed in the connector
The connector (32) parallel with insulation board (7) is provided with plate (31), the tap conversion contact (10) is slidably disposed in
On connector (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237621.1A CN107968002B (en) | 2017-11-30 | 2017-11-30 | Permanent magnet vacuum on-load voltage regulation tap switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237621.1A CN107968002B (en) | 2017-11-30 | 2017-11-30 | Permanent magnet vacuum on-load voltage regulation tap switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107968002A true CN107968002A (en) | 2018-04-27 |
| CN107968002B CN107968002B (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711237621.1A Active CN107968002B (en) | 2017-11-30 | 2017-11-30 | Permanent magnet vacuum on-load voltage regulation tap switch |
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| Country | Link |
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| CN (1) | CN107968002B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511223A (en) * | 2018-05-26 | 2018-09-07 | 辽宁金立电力电器有限公司 | Horizontal loaded capacity regulating voltage regulating tap switch |
| CN108962638A (en) * | 2018-07-18 | 2018-12-07 | 浙江纪元电气科技股份有限公司 | A kind of two-way grading clutch |
| CN109243880A (en) * | 2018-10-30 | 2019-01-18 | 浙江腾龙电器有限公司 | Dry type, which has, carries vacuum voltage-regulation tap changer |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511223A (en) * | 2018-05-26 | 2018-09-07 | 辽宁金立电力电器有限公司 | Horizontal loaded capacity regulating voltage regulating tap switch |
| CN108511223B (en) * | 2018-05-26 | 2024-04-02 | 辽宁金立电力电器有限公司 | Horizontal on-load capacity-regulating voltage-regulating tapping switch |
| CN108962638A (en) * | 2018-07-18 | 2018-12-07 | 浙江纪元电气科技股份有限公司 | A kind of two-way grading clutch |
| CN108962638B (en) * | 2018-07-18 | 2024-02-09 | 巨元智能电气(浙江)有限公司 | Bidirectional progressive clutch mechanism |
| CN109243880A (en) * | 2018-10-30 | 2019-01-18 | 浙江腾龙电器有限公司 | Dry type, which has, carries vacuum voltage-regulation tap changer |
| CN109243880B (en) * | 2018-10-30 | 2024-05-28 | 浙江腾龙电器有限公司 | Dry-type on-load vacuum air-conditioner voltage tapping switch |
| CN109449018A (en) * | 2018-12-23 | 2019-03-08 | 辽宁金立电力电器有限公司 | A kind of load ratio bridging switch |
| CN109449018B (en) * | 2018-12-23 | 2023-11-07 | 辽宁金立电力电器有限公司 | On-load tap-changer |
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