CN208240516U - 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
- CN208240516U CN208240516U CN201721638795.4U CN201721638795U CN208240516U CN 208240516 U CN208240516 U CN 208240516U CN 201721638795 U CN201721638795 U CN 201721638795U CN 208240516 U CN208240516 U CN 208240516U
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- Prior art keywords
- permanent magnet
- switching
- insulation
- pressure regulation
- vacuum
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- Withdrawn - After Issue
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Abstract
Disclosed by the utility model is a kind of permanent magnet vacuum on-load tap changer, including cabinet, pressure regulation selection switching group, pressure regulation switching switching group are installed in the cabinet, the control mechanism connecting with pressure regulation selection switching group, pressure regulation switching switching group is installed on the cabinet exterior, the utility model uses driving mechanism of the permanent magnet mechanism as voltage-regulation tap changer, using vacuum interrupter as the main switching contact of load ratio bridging switch, switch fast and reliable, mechanical life is long, pollution-free to transformer oil；It is highly-safe without manual operation when pressure regulation, do not influence power supply continuity；Structure is simple, easy to operate, reduces workload, and adjustment is corresponding rapid.
Description
Technical field
The utility model relates to a kind of permanent magnet vacuum on-load tap changers, belong to distribution transformer pressure regulation field.
Background technique
Distribution transformer in the process of running, since the variation of load is big and relatively frequently, transformer output voltage amplitude
Variation is big, declines power supply quality and stability, influences the normal use of electrical equipment, therefore distribution transformer increases pressure regulation point
Connecing switch can guarantee that voltage output in acceptability limit, improves each stability of power supply quality, the at present pressure regulation of distribution transformer
Tap switch mostly uses greatly no-load tapping switch, 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 disadvantages of.
Utility model content
In order to solve above-mentioned prior art problem, the utility model uses driving of the permanent magnet mechanism as voltage-regulation tap changer
Mechanism, using vacuum interrupter as the main switching contact of load ratio bridging switch, switching is fast and reliable, and mechanical life is long, to change
Depressor oil is pollution-free, and two groups of entire pressure regulation handoff procedures of switches completion, wherein one group switchs as pressure regulation selection, one group is used as tune
Toggle switch, it is that different transformer tap points is selected before pressure regulation that pressure regulation, which selects on-off action, is got ready for pressure regulation, then
Pressure regulation switches switch motion, and electric current is disconnected from a tap, is transferred on another tap, completes pressure regulation movement,
Pressure regulation selects do not have switching electric current when switch motion, therefore uses common contact, and pressure regulation will be cut-off when switching switch motion
With close switching current, electric arc can be generated, therefore using vacuum interrupter as switching contact, electric arc is easy to put out in arc-chutes
It goes out, has no effect on the insulation performance of transformer oil.
To achieve the goals above, the utility model is achieved through the following technical solutions:
A kind of permanent magnet vacuum on-load tap changer, including cabinet, be equipped in the cabinet pressure regulation selection switching group,
Pressure regulation switches switching group, is equipped on the cabinet exterior and connect with pressure regulation selection switching group, pressure regulation switching switching group
Control mechanism.
As an improvement the control mechanism includes selection switch permanent magnet mechanism, switching switch permanent magnet mechanism, the choosing
Switch permanent magnet mechanism and pressure regulation selection switching group transmission connection are selected, the switching switch permanent magnet mechanism and pressure regulation switching switching group pass
Dynamic connection.
As an improvement the pressure regulation selection switching group includes insulation board, insulation push rod, the insulation board is fixed on case
In vivo, multicomponent contact head is equipped on insulation board, every component contact head is made of several spaced single-tap heads, institute
It states and connects several tap conversion contacts on insulation push rod, each tap conversion contact and a component contact head are electrically connected, institute
It states insulation push rod and connect linkage with selection switch permanent magnet mechanism.
As an improvement the selection switch permanent magnet mechanism includes the bracket being mounted on cabinet exterior, the bracket
On the secondary drive mechanism that is equipped with primary transmission mechanism and is connect with primary transmission mechanism driving, the primary transmission mechanism
Including forward driving permanent magnet mechanism, it is driven in the reverse direction permanent magnet mechanism, it respectively can on the then described forward and reverse driving permanent magnet mechanism before
Movable to be provided through a No.1 drive rod, the No.1 drive rod drives moving in permanent magnet mechanism with forward and reverse respectively
Iron core connection, No. two transmission mechanisms include rack gear, shaft, and the shaft is rack-mount, and drive is arranged in shaft
Driving wheel, driving gear offer several races around driving wheel outer periphery, and the front end of two No.1 drive rods is connected separately with
One drive block, the drive block are located at the left and right sides setting of driving wheel outer periphery, and the rack gear is slidably arranged in
It in rack, and is engaged with driving gear, the insulation push rod connect linkage with rack gear.
As an improvement the pressure regulation switching switching group includes being mounted on the intracorporal insulation shaft of case, vacuum interrupter
Insulation fixing plate is equipped with several vacuum interrupters, described insulation shaft one end on the vacuum interrupter insulation fixing plate
It is arranged with driving connecting lever, the driving connecting lever and switching switch permanent magnet mechanism transmission connection, is arranged in insulation shaft several
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 connect linkage with No. two drive rods.
As an improvement further including that the guide sleeve being arranged between insulation shaft and vacuum interrupter insulation fixing plate insulate
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 every component contact head is made of several spaced single tap contacts, it is two neighboring
Spacing between single tap contact is less than or equal to the width of tap conversion contact.
As an improvement every component contact head includes odd contact, even contact, the surprise contact and transformer odd number are tapped
Head is electrically connected, and the idol contact and transformer even number tap are electrically connected.
As an improvement further including connector insulation fixing plate, the connector insulation fixing plate is arranged in cabinet,
The connector parallel with insulation board is provided on the connector insulation fixing plate, the tap conversion contact is slidably set
It sets on connector.
The utility model has the advantages that the utility model uses driving mechanism of the permanent magnet mechanism as voltage-regulation tap changer, gone out using vacuum
Main switching contact of the arc chamber as load ratio bridging switch, switching is fast and reliable, and mechanical life is long, pollution-free to transformer oil；It adjusts
It is highly-safe without manual operation when pressure, do not influence power supply continuity；Structure is simple, easy to operate, reduces workload, adjustment
Response is rapid.
Detailed description of the invention
Fig. 1 is the utility model front view.
Fig. 2 is the utility model side view.
Fig. 3 is the utility model top view.
Fig. 4 is cut away view at the utility model front view B-B.
Fig. 5 is cut away view at the utility model front view C-C.
Fig. 6 is the utility model driving wheel structure schematic diagram.
Fig. 7 is the utility model voltage-regulation principle circuit diagram.
Fig. 8 is the utility model single head sector crank arm structure schematic diagram.
In figure: 1- cabinet；2- pressure regulation selects switching group；3- pressure regulation switches switching group；4- control mechanism；5- selection switch is forever
Magnetic mechanism；6- switching switch permanent magnet mechanism；7- insulation board；8- insulation push rod；9- taps contact；10- taps conversion contact；11-
Bracket；12- primary transmission mechanism；13- secondary drive mechanism；14- forward driving permanent magnet mechanism；15- is driven in the reverse direction permanent magnet mechanism；
16- No.1 drive rod；17- rack gear；18- shaft；19- driving wheel；20- driving gear；21- race；22- drive block；23- insulation
Shaft；24- vacuum interrupter insulation fixing plate；25- drives connecting lever；26- single head sector connecting lever；27- connecting rod；28- bis- drivings
Bar；29- guide sleeve insulation fixing plate；30- guide sleeve；31- connector insulation fixing plate；32- connector；33- vacuum interrupter.
Specific embodiment
Below in conjunction with Figure of description, the utility model is described in further detail, but the utility model be not limited to
Lower embodiment.
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 cabinet 1 are equipped with pressure regulation selection switching group 2 in the cabinet 1, pressure regulation switching is opened
Pass group 3 is equipped with the control machine connecting with pressure regulation selection switching group 2, pressure regulation switching switching group 3 on 1 outer wall of cabinet
Structure 4；
A kind of permanent magnet vacuum on-load tap changer of the utility model, including cabinet 1, are equipped with pressure regulation in cabinet 1
It selects switching group 2, pressure regulation to switch switching group 3, is equipped with outside cabinet 1 and pressure regulation selection switching group 2, pressure regulation switching switching group 3
The control mechanism 4 of connection controls pressure regulation by control mechanism 4 and switching group 2 or pressure regulation is selected to switch the movement of switching group 3 with complete
Switch at pressure regulation, the utility model is completed entire pressure regulation and switched using pressure regulation selection switching group 2, pressure regulation switching switching group 3
Journey, pressure regulation selection 2 function of switching group select different transformer tap points before being pressure regulation, get ready for pressure regulation, then exchange
Toggle switch group 3 carries out pressure regulation and switches switch motion, and electric current is disconnected from a tap, is transferred to another tap
On, pressure regulation movement is completed, pressure regulation selection switching group 2 does not have switching electric current when acting, therefore uses common contact, and pressure regulation is cut
Switching current will be disconnected and be closed by changing when switching group 3 acts, and using vacuum interrupter as switching contact, electric arc is in arc-chutes
It being easy to extinguish, avoids the insulation performance for influencing transformer oil, the utility model is not necessarily to manual operation in pressure regulation, and it is highly-safe,
Power supply continuity is not influenced, structure is simple, and it is easy to operate, workload is reduced, adjustment response is rapid.
As an improvement the control mechanism 4 includes selection switch permanent magnet mechanism 5, switching switch permanent magnet mechanism 6, institute
It states selection switch permanent magnet mechanism 5 and pressure regulation selection switching group 2 is sequentially connected, the switching switch permanent magnet mechanism 6 and pressure regulation switch
Switching group 3 is sequentially connected；As shown in Figs. 1-2, control mechanism 4 includes selection switch permanent magnet mechanism 5, switches switch permanent magnet mechanism 6,
Selection switch permanent magnet mechanism 5 and pressure regulation selection switching group 2 are sequentially connected, switching switch permanent magnet mechanism 6 and pressure regulation switching are opened
Pass group 3 is sequentially connected, by the way that switch permanent magnet mechanism 5, switching switch permanent magnet mechanism 6 will be selected as driving mechanism, pressure regulation switching
Fast and reliable, mechanical life is long, pollution-free to transformer oil, highly-safe without manual operation when pressure regulation, does not influence for being electrically connected
Continuous property, structure is simple, easy to operate, reduces workload, and adjustment response is rapid.
As an improvement the pressure regulation selection switching group 2 includes insulation board 7, insulation push rod 8, the insulation board 7 is fixed
In cabinet 1, multicomponent contact head 9 is equipped on insulation board 7, every component contact head 9 is by several spaced single-taps
Head forms, several tap conversion contacts 10, each tap conversion contact 10 and one group of tap are connected on the insulation push rod 8
Contact 9 is electrically connected, and the insulation push rod 8 connect linkage with selection switch permanent magnet mechanism 5；Pressure regulation selects as shown in figs. 1-7
Switching group 2 includes insulation board 7, insulation push rod 8, insulation board 7 is fixed in cabinet 1, and be equipped with multicomponent on insulation board 7
Contact head 9, tap contact 9 are connect with load tap changer, several tap conversion contacts 10 are connected on the push rod 8 that insulate, each
It tapping conversion contact 10 and a component contact head 9 is electrically connected, insulation push rod 8 connect linkage with selection switch permanent magnet mechanism 5,
Original state as shown in figure 4, each tap conversion contact 10 is respectively positioned on 9 left end of a component contact head (output voltage highest),
The single-tap head in every component contact head 9 can be in turn divided into from left to right by Arabic numerals label " 1,2,3,
4...... ", when output voltage highest, each tap conversion contact 10 is electrically connected with 1 contact in a component contact head 9, when
Selection switch permanent magnet mechanism 5 drives insulation push rod 8 to turn right when sliding, and insulation push rod 8 is made to the right directly with tap conversion contact 10
Line movement is transferred to tap conversion contact 10 on 3 contacts from 1 contact in a component contact head 9, realizes that decompression is preliminary quasi-
It is standby, conversion contact 10 is tapped when 1 contact is transferred to 3 contacts, keeps being electrically connected with 2 contacts always, as shown in fig. 7, cutting
It changes switch 6 action control of permanent magnet mechanism and closes switching switch 1, electric current flows to transformation by 2 contacts, switching switch 1 during pressure regulation
Device, then switching switch 6 action control of permanent magnet mechanism closes switching switch 3-disconnecting switching switch 1-and closes switching switch 2,
Flow a current through 3 contacts, switching switch 2 to transformer, i.e. completion pressure reduction, next pressure reduction tap conversion moving contact
10 go to 4 contacts from 2 contacts, and switching switch 6 action control tune toggle switch of permanent magnet mechanism disconnection switching switch 2-, which closes, to be cut
It changes switch 1-and disconnects switching switch 3, flow a current through 4 contacts, switching switch 1 to transformer, complete pressure reduction, Zhi Daofen
Switch through 10 to one component contact head of contact, 9 right end that moves, output voltage drops to minimum, the same decompression of boost action principle, selection
Switch permanent magnet mechanism 5 drives insulation push rod 8 to turn left sliding.
As an improvement the selection switch permanent magnet mechanism 5 includes the bracket 11 being mounted on 1 outer wall of cabinet, it is described
The secondary drive mechanism 13 for being equipped with primary transmission mechanism 12 on bracket 11 and being sequentially connected with primary transmission mechanism 12, it is described
Primary transmission mechanism 12 includes forward driving permanent magnet mechanism 14, is driven in the reverse direction permanent magnet mechanism 15, from the preceding then described forward driving
Permanent magnet mechanism 14, be driven in the reverse direction on permanent magnet mechanism 15 it is mobilizable respectively be provided through a No.1 drive rod 16, described one
Number drive rod 16 is connect with forward driving permanent magnet mechanism 14, the dynamic iron core being driven in the reverse direction in permanent magnet mechanism 15 respectively, and described No. two
Transmission mechanism 13 includes rack gear 17, shaft 18, and the shaft 18 is mounted on bracket 11, is arranged with driving wheel in shaft 18
19, driving gear 20 offer several races 21, the front end difference of two No.1 drive rods 16 around 19 outer periphery of driving wheel
It is connected with a drive block 22, the drive block 22 is located at the left and right sides setting of 19 outer periphery of driving wheel, the rack gear
17 are slidably arranged on bracket 11, and are engaged with driving gear 20, and the insulation push rod 8 connect parallel connection with rack gear 17
It is dynamic；
As shown in figures 1 to 6, selection switch permanent magnet mechanism 5 includes the bracket 11 being mounted on 1 outer wall of cabinet, is pacified on bracket 11
Equipped with primary transmission mechanism 12 and the secondary drive mechanism 13 being sequentially connected with primary transmission mechanism 12, primary transmission mechanism 12
Including forward driving permanent magnet mechanism 14, it is driven in the reverse direction permanent magnet mechanism 15, from preceding then forward driving permanent magnet mechanism 14, is driven in the reverse direction
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 driving
Permanent magnet mechanism 14, the dynamic iron core being driven in the reverse direction in permanent magnet mechanism 15 connection, No. two transmission mechanisms 13 include rack gear 17, shaft 18,
Shaft 18 is mounted on bracket 11, and driving wheel 19, driving gear 20 are arranged in shaft 18, around 19 outer periphery of driving wheel
Several races 21 are offered, the front end of two No.1 drive rods 16 is connected separately with a drive block 22, and drive block 22 is distinguished
The left and right sides positioned at 19 outer periphery of driving wheel is arranged, and rack gear 17 is slidably arranged on bracket 11, and nibbles with driving gear 20
Setting is closed, the push rod 8 that insulate connect linkage with rack gear 17, when forward driving permanent magnet mechanism 14 obtains operational order, forward driving
Dynamic iron core drives No.1 drive rod 16 to push forward in permanent magnet mechanism 14, and the drive block 22 of 16 front end of No.1 drive rod connection pushes away
Race 21 on dynamic driving wheel 19, so that driving wheel 19 rotates counterclockwise an angle, while shaft 18 and driving gear
20 also rotate an angle, and when driving gear 20 rotates an angle, driving gear 20 drives the rack gear 17 engaged dynamic
Make, completes a positive action output, obtain operational order when being driven in the reverse direction permanent magnet mechanism 15, be driven in the reverse direction in permanent magnet mechanism 15
Dynamic iron core drives No.1 drive rod 16 to push forward, and the drive block 22 of 16 front end of No.1 drive rod connection pushes on driving wheel 19
Race 21 so that driving wheel 19 rotates clockwise an angle, while shaft 18 and driving gear 20 also rotate an angle
Degree, when driving gear 20 rotates an angle, driving gear 20 drives the rack gear 17 engaged to act, and completes primary anti-
It is exported to movement, structure is simple and convenient to operate, switches rapidly, and rack gear 17 is connect with insulation push rod 8, sliding by rack gear 17 or so
The dynamic insulation push rod 8 that realizes horizontally slips.
As an improvement the pressure regulation switching switching group 3 includes that insulation shaft 23, the vacuum being mounted in cabinet 1 are gone out
Arc chamber insulation fixing plate 24, is equipped 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 in shaft 23, each single head sector connecting lever 26 is respectively connected with a connecting rod 27, described
Connecting rod 27 is connect with the moved end of a vacuum interrupter 33 respectively；As shown in Figure 4-8, pressure regulation switching switching group 3 includes being mounted on
Insulation shaft 23, vacuum interrupter insulation fixing plate 24 in cabinet 1, if being equipped on vacuum interrupter insulation fixing plate 24
Dry vacuum interrupter 33, insulation 23 one end of 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 connection, switching switch permanent magnet mechanism 6 drive insulation shaft 23 to rotate by driving connecting lever 25, and insulation shaft 23 rotates, and make
It obtains single head sector connecting lever 26 and back and forth pulls connecting rod 27, pull rod 27, which moves back and forth, drives the moved end movement of vacuum interrupter 33 with complete
At the combined floodgate and separating brake of vacuum interrupter 33, in the combined floodgate of different vacuum interrupters 33 pressure regulation switching switching group 3 corresponding with separating brake
(switching switch 1, switching switch 2, the switching switch 3) disconnection of different switching switches and be closed, be set in and insulate in shaft 23
Different 26 angles of single head sector connecting lever are different, so that the direction that different single head sector connecting levers 26 drive connecting rod 27 to move back and forth is endless
It is exactly the same, realize switching switch 1, switching switch 2, disconnection and the closing order difference for switching switch 3.
As an improvement 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 connect linkage with No. two drive rods 28；Such as Fig. 5
Shown, switching switch permanent magnet mechanism 6 includes No. two drive rods 28, dynamic in No. two drive rods 28 and switching switch permanent magnet mechanism 6
Iron core connection, drives connecting lever 25 to connect 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 connect with No. two drive rods 28 be similar 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 including 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 leads correspondingly with single head sector connecting lever 26
To set 30, the connecting rod 27 is slidably disposed in respectively in guide sleeve 30；As shown in Fig. 5,8, insulation shaft 23 is gone out with vacuum
It is provided with guide sleeve insulation fixing plate 29 between arc chamber insulation fixing plate 24, is equipped with several on guide sleeve insulation fixing plate 29
With the one-to-one guide sleeve 30 of single head sector connecting lever 26, connecting rod 27 is slidably disposed in guide sleeve 30, makes arc extinguishing of having leisure
Dynamic/static contact contact in room 33 is stable and vacuum interrupter 33 is born has good mechanical strength when 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 the spacing between two neighboring single-tap head is less than or equal to the width of tap conversion contact 10；
Every component contact head 9 is made of several spaced single-tap heads, and the spacing between adjacent single-tap head is less than or equal to tap
The width of conversion contact 10 guarantees do not have switching electric current when pressure regulation selection switching group 2 works.
As an improvement every component contact head 9 includes odd contact, even contact, the surprise contact and transformer odd number of points
Connector is electrically connected, and the idol contact and transformer even number tap are electrically connected；Every component contact head 9 includes odd contact, idol
Contact, odd contact and transformer odd number tap are electrically connected, and even contact and transformer even number tap are electrically connected, as Fig. 1,
Shown in 7, pressure regulation selects I group of switch to be respectively turned on transformer even number tap, and pressure regulation selects II group of switch and is respectively turned on transformer
Odd number tap, the switching switch control of permanent magnet mechanism 6 switch the disconnection of switch 1 and switching switch 2,3 then in an ON state, electricity
Stream is flowed out from transformer odd number tap and switching switch 2, when needing to boost, selects II group of switch to remain up shape with 5 contacts
State, selection switch permanent magnet mechanism 5 acts, so that I group of switch of selection is moved to 4 contacts from 6 contacts, then switches switch permanent magnetic motor
Structure 6 acts, and successively disconnects switching switch 2, closes switching switch 1, disconnects switching switch 3, converts electric current to 4 touchings from 5 contacts
Head completes a boost action, and switching switch 1,2,3 respectively corresponds a vacuum interrupter 33, and switching switch 1,2,3 breaks
It opens or is closed and 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 in case
In body 1, the connector 32 parallel with insulation board 7, the tap conversion touching are provided on the connector insulation fixing plate 31
First 10 are slidably disposed on connector 32；As shown in figure 4, connector insulation fixing plate 31 is additionally provided in cabinet 1,
The connector 32 parallel with insulation board 7 is provided on connector insulation fixing plate 31, tap conversion contact 10 is slidably arranged
On connector 32, so that insulation push rod 8 will not teetertotter when moving left and right, stable structure, it is convenient that switching is adjusted.
Finally it should be noted that the utility model is not limited to above embodiments, there can also be many variations.This field
The those of ordinary skill's all deformations that directly can export or associate from content disclosed by the utility model, be considered as
The protection scope of the utility model.
Claims (10)
1. a kind of permanent magnet vacuum on-load tap changer, including cabinet (1), it is characterised in that: be equipped in the cabinet (1)
Pressure regulation selects switching group (2), pressure regulation switching switching group (3), is equipped on cabinet (1) outer wall and selects to switch with the pressure regulation
The control mechanism (4) that group (2), pressure regulation switching switching group (3) connect.
2. a kind of permanent magnet vacuum on-load tap changer according to claim 1, it is characterised in that: the control mechanism
(4) include selection switch permanent magnet mechanism (5), switch switch permanent magnet mechanism (6), selection switch permanent magnet mechanism (5) and pressure regulation
Select switching group (2) transmission connection, switching switch permanent magnet mechanism (6) and pressure regulation switching switching group (3) transmission connection.
3. a kind of 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 cabinet (1), on insulation board (7)
It is equipped with multicomponent contact head (9), every component contact head (9) is made of several spaced single-tap heads, and the insulation pushes away
Several taps conversion contact (10) are connected on bar (8), each tap conversion contact (10) electrically connects with a component contact head (9)
It connects, the insulation push rod (8) connect linkage with selection switch permanent magnet mechanism (5).
4. a kind of permanent magnet vacuum on-load tap changer according to claim 3, it is characterised in that: the selection switch
Permanent magnet mechanism (5) includes the bracket (11) being mounted on cabinet (1) outer wall, is equipped with primary transmission mechanism on the bracket (11)
(12) and the secondary drive mechanism (13) with primary transmission mechanism (12) transmission connection, the primary transmission mechanism (12) include
Forward driving permanent magnet mechanism (14) is driven in the reverse direction permanent magnet mechanism (15), from preceding then described forward and reverse driving permanent magnet mechanism (14,
15) 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, the secondary drive mechanism (13) includes rack gear (17), shaft (18),
The shaft (18) is mounted on bracket (11), and driving wheel (19), driving gear (20) are arranged on shaft (18), around drive
Driving wheel (19) outer periphery offers several races (21), and the front end of two No.1 drive rods (16) is connected separately with a driving
Block (22), the drive block (22) are located at the left and right sides setting of driving wheel (19) outer periphery, and the rack gear (17) can slide
Dynamic setting is engaged on bracket (11), and with driving gear (20), and the insulation push rod (8) connect parallel connection with rack gear (17)
It is dynamic.
5. a kind of permanent magnet vacuum on-load tap changer according to claim 1, it is characterised in that: the pressure regulation switching
Switching group (3) includes the insulation shaft (23) being mounted in cabinet (1), vacuum interrupter insulation fixing plate (24), 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) and switching switch permanent magnet mechanism (6) transmission connection, 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) it is connect respectively with the moved end of a vacuum interrupter (33).
6. a kind of 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), the dynamic iron in No. two drive rods (28) and switching switch permanent magnet mechanism (6)
Core connection, the driving connecting lever (25) connect linkage with No. two drive rods (28).
7. a kind of permanent magnet vacuum on-load tap changer according to claim 6, it is characterised in that: further include that setting exists
The guide sleeve insulation fixing plate (29) to insulate shaft (23) between 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 in fixed plate (29)
It is not slidably disposed in guide sleeve (30).
8. a kind of permanent magnet vacuum on-load tap changer according to claim 3, it is characterised in that: two neighboring single-tap
Spacing between head is less than or equal to the width of tap conversion contact (10).
9. a kind of permanent magnet vacuum on-load tap changer according to claim 5, it is characterised in that: every component contact head
It (9) include odd contact, even contact, the surprise contact and transformer odd number tap are electrically connected, the idol contact and transformer
Even number tap is electrically connected.
10. a kind of permanent magnet vacuum on-load tap changer according to claim 3, it is characterised in that: further include connection
Part insulation fixing plate (31), connector insulation fixing plate (31) setting are insulated in the connector and are fixed in cabinet (1)
It is provided on plate (31) connector parallel with insulation board (7) (32), the tap conversion contact (10) is slidably disposed in
On connector (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638795.4U CN208240516U (en) | 2017-11-30 | 2017-11-30 | A kind of permanent magnet vacuum on-load tap changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638795.4U CN208240516U (en) | 2017-11-30 | 2017-11-30 | A kind of permanent magnet vacuum on-load tap changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240516U true CN208240516U (en) | 2018-12-14 |
Family
ID=64577674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721638795.4U Withdrawn - After Issue CN208240516U (en) | 2017-11-30 | 2017-11-30 | A kind of permanent magnet vacuum on-load tap changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240516U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968002A (en) * | 2017-11-30 | 2018-04-27 | 浙江纪元电气科技股份有限公司 | A kind of permanent magnet vacuum on-load tap changer |
| CN109411217A (en) * | 2018-12-19 | 2019-03-01 | 北京南瑞电研华源电力技术有限公司 | A kind of voltage regulating distribution transformer |
-
2017
- 2017-11-30 CN CN201721638795.4U patent/CN208240516U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968002A (en) * | 2017-11-30 | 2018-04-27 | 浙江纪元电气科技股份有限公司 | A kind of permanent magnet vacuum on-load tap changer |
| CN107968002B (en) * | 2017-11-30 | 2020-10-20 | 邱辰辰 | Permanent magnet vacuum on-load voltage regulation tap switch |
| CN109411217A (en) * | 2018-12-19 | 2019-03-01 | 北京南瑞电研华源电力技术有限公司 | A kind of voltage regulating distribution transformer |
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Effective date of registration: 20200824 Address after: No.39 Jiangbin Road, Jiangshan City, Quzhou City, Zhejiang Province Patentee after: Qiu Chenchen Address before: 324100 intersection Village intersection No. 198-4 of Qinghu Town, Jiangshan City, Quzhou, Zhejiang Patentee before: ZHEJIANG SINOERA ELECTRONICS TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20181214 Effective date of abandoning: 20201020 |