CN106710906B - A kind of special on-load voltage regulating switch of distribution transformer - Google Patents
A kind of special on-load voltage regulating switch of distribution transformer Download PDFInfo
- Publication number
- CN106710906B CN106710906B CN201710041234.4A CN201710041234A CN106710906B CN 106710906 B CN106710906 B CN 106710906B CN 201710041234 A CN201710041234 A CN 201710041234A CN 106710906 B CN106710906 B CN 106710906B
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- Prior art keywords
- switch
- distribution transformer
- auxiliary
- mainboard
- selecting switch
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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
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Keying Circuit Devices (AREA)
Abstract
A kind of special on-load voltage regulating switch of distribution transformer of patent disclosure of the present invention, the switch include stepper motor, gearbox, installation mainboard, insulating back panel, square shaft, driving gear, selecting switch component, switching switch module, transition element.Square shaft movement, square shaft is driven to drive the cam in switching switch module and the Geneva mechanism in selecting switch component to drive selecting switch and switching switch to complete the conversion between distribution transformer winding tap, complete the adjustment of voltage by driving gear.On not changing distribution transformer shape and volume basis, frequent voltage adjusts in the case of realizing distribution transformer on-load, stabilize supply voltage, reduce loss, realize the life cycle that its life cycle is equal to distribution transformer device body simultaneously, and the Maintenance free in its life cycle, improve the load tapchanging reliability of distribution transformer.
Description
Technical field
The present apparatus is related to power product technical field, is opened in particular to a kind of special on-load voltage regulation of distribution transformer
It closes.
Background technology
Distribution transformer is the afterbody transformer of power supply network, is applied to the every field of national economy, spreads all over town and country
Each corner, substantial amounts.Active service distribution transformer is non-excitation pressure adjustment mode, and when pressure regulation needs to be initially switched off power supply, then
Non-excitation pressure adjustment switch is manually adjusted again, restores power transmission after adjustment again.Due to needing the ability pressure regulation that has a power failure, and cannot accomplish
Timely pressure regulation, so distribution transformer is equal to nothing adjusting pressure measure in actual power net, cause supply voltage qualification rate it is low,
Stability is poor, is run using electric equipment abnormal, causes distribution transformer itself and electrical equipment to be lost and increases.In recent years, have by
The on-load voltage regulating switch of main transformer is applied to distribution transformer and realizes load tapchanging case, but the on-load voltage regulation of main transformer
Volume of switch is big and needs periodic maintenance, cannot meet the reliability requirement of distribution transformer, and the distribution for being not suitable for substantial amounts becomes
Depressor.
Invention content
The object of the present invention is to provide a kind of special on-load voltage regulating switch of distribution transformer, and solve has load in the prior art
Tap changer needs the problem of periodic maintenance, while solving that on-load voltage regulating switch volume in the prior art is big, is not easy to installation
Problem realizes on-load voltage regulating switch miniaturization, long-life, non-maintaining characteristic.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of special on-load voltage regulation of distribution transformer of voltage is frequently adjusted in on-load for distribution transformer
Switch, it is characterised in that：Including stepper motor, gearbox, installation mainboard, insulating back panel, square shaft, driving gear, selecting switch
Component, switching switch module, transition element；
The selecting switch component, the switching switch module, the transition element respectively have three groups, are respectively completed three-phase tune
Press the selection and switching of gear；
Every group of switching switch module includes cam, switching switch contact group, switching switch mainboard；
Include main Geneva mechanism per group selection switch module, auxiliary Geneva mechanism, selecting switch main contact group, select to open
Auxiliary contact group, selecting switch mainboard are closed, main Geneva mechanism includes main driver plate and major trough wheel, and auxiliary Geneva mechanism includes that auxiliary is dialled
Disk and auxiliary sheave；
The stepper motor is mounted on the gearbox, and the gearbox, the selecting switch mainboard, the switching are opened
Mainboard is closed to be fixed on the installation mainboard；
The insulating back panel is connect with one end of the selecting switch mainboard, the switching switch mainboard；
The square shaft is applied in the selecting switch mainboard, switching switch mainboard；
The driving gear, the cam, the main driver plate, the auxiliary driver plate are sleeved on the square shaft；
The selecting switch main contact group, the major trough wheel and the selecting switch auxiliary contact group, the auxiliary sheave
It is separately mounted on the two sides of the selecting switch mainboard；The switching switch contact group, the transition element are installed respectively
On the two sides of the switching switch mainboard.
A preferred embodiment of the invention, the stepper motor drive the gearbox rotation, the speed change
Case drives the rotation of the driving gear, and the driving gear drives the rotation of the square shaft, the square shaft drive the cam,
The main driver plate and auxiliary driver plate rotation.
A preferred embodiment of the invention, the main driver plate drives the major trough wheel to rotate synchronously, described auxiliary
Help driver plate that the auxiliary sheave is driven to rotate synchronously, the major trough wheel, the auxiliary sheave respectively drive the selecting switch master
Sets of contacts, selecting switch auxiliary contact group action, complete the selection of pressure regulation gear.
A preferred embodiment of the invention, the action of switching switch contact group, is completed described in the actuated by cams
The switching of pressure regulation gear.
A preferred embodiment of the invention, the main Geneva mechanism, the auxiliary Geneva mechanism and described convex
Wheel controls the action of the selecting switch main contact group, the selecting switch auxiliary contact group and the switching switch contact group
Sequential.
Compared with the existing technology, the beneficial effects of the invention are as follows invented a kind of special on-load voltage regulation of distribution transformer to open
It closes, is mounted in distribution transformer ontology, does not change distribution transformer shape and volume；It realizes distribution transformer on-load
In the case of frequent voltage adjustment, stabilize supply voltage, reduce loss；Its fault-free, non-maintaining continuous is realized simultaneously
Pressure regulation acts 300,000 times or more, can accomplish in distribution transformer life cycle non-maintaining, and improving distribution transformer has load
The reliability of pressure regulation.
Description of the drawings
Fig. 1 is that the special on-load voltage regulating switch of distribution transformer of the present invention is mounted on the intrinsic monnolithic case of distribution transformer
Figure；
Fig. 2 is the special on-load voltage regulating switch internal structure chart a of distribution transformer of the present invention；
Fig. 3 is the special on-load voltage regulating switch internal structure chart b of distribution transformer of the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.Embodiment discussed below is only used for more clearly from
Illustrate technical scheme of the present invention, be the selected embodiment of the present invention, rather than whole embodiments, cannot be limited with this
Protection scope of the present invention processed.Those skilled in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the special on-load voltage regulating switch 2 of distribution transformer of the present invention is mounted on whole outer in distribution transformer 1
Shape figure, as seen from the figure the only stepper motor 3 of the special on-load voltage regulating switch of distribution transformer 2 outside the case lid of distribution transformer,
Other parts do not change the volume and shape of distribution transformer in distribution transformer ontology.
Referring to Fig. 2, Fig. 3, the present invention discloses a kind of special on-load voltage regulating switch 2 of distribution transformer, including stepper motor 3,
Gearbox 4, installation mainboard 5, driving gear 6, square shaft 7, selecting switch component 8.1,8.2,8.3, switching switch module 9.1,
9.2,9.3, transition element 10.1,10.2,10.3, insulating back panel 11 include major trough per group selection switch module 8.1,8.2,8.3
Take turns mechanism 12.1,12.3,12.5, auxiliary Geneva mechanism 12.2,12.4,12.6, selecting switch main contact group 13.1,13.3,
13.5, selecting switch auxiliary contact group 13.2,13.4,13.6, selecting switch mainboard 14.1,14.2,14.3, main Geneva mechanism
12.1,12.3,12.5 include main driver plate 15.1,15.3,15.5 and major trough wheel 16.1,16.3,16.5, assists Geneva mechanism
12.2,12.4,12.6 include auxiliary driver plate 15.2,15.4,15.6 and auxiliary sheave 16.2,16.4,16.6, every group of switching switch
Component 9.1,9.2,9.3 includes cam 17.1,17.2,17.3, switching switch contact group 18.1,18.2,18.3, switching switch master
Plate 19.1,19.2,19.3.
Stepper motor 3 is mounted on gearbox 4, and gearbox 4 is mounted on installation mainboard 5, selecting switch mainboard 14.1 ...
14.3 are fixed on 5 lower section of installation mainboard with switching switch mainboard 19.1 ... 19.3, and insulating back panel 11 is fixed on selecting switch mainboard
14.1 ... 14.3 and switching switch mainboard 19.1 ... 19.3 one end, square shaft 7 is applied in selecting switch mainboard 14.1 ... 14.3, cuts
Change switch mainboard 19.1 ... in 19.3, driving gear 6, main driver plate 15.1,15.3,15.5, auxiliary driver plate 15.2,15.4,15.6,
Cam 17.1 ... 17.3 is sleeved on square shaft 7, major trough wheel 16.1,16.3,16.5, selecting switch main contact group 13.1,13.3,
13.5 are mounted on the same side of selecting switch mainboard 14.1 ... 14.3, auxiliary sheave 16.2,16.4,16.6, selecting switch
Auxiliary contact group 13.2,13.4,13.6 is mounted on the another side of selecting switch mainboard 14.1 ... 14.3, switches switch contact
Group 18.1,18.2,18.3 is mounted on switching switch 19.3 one side of mainboard 19.1 ..., and transition element 10.1,10.2,10.3 is pacified
On 19.3 another side of switching switch mainboard 19.1 ....
Stepper motor 3 drives gearbox 4 to rotate, and gearbox 4 drives driving gear 6 to rotate, and driving gear 6 drives square shaft 7
Rotation, square shaft 7 is with moving cam 17.1 ... 17.3, main driver plate 15.1,15.3,15.5, the auxiliary rotation of driver plate 15.2,15.4,15.6,
Main driver plate 15.1,15.3,15.5 drives major trough wheel 16.1,16.3,16.5 to rotate, and auxiliary driver plate 15.2,15.4,15.6 drives auxiliary
Sheave 16.2,16.4,16.6 is helped to rotate, major trough wheel 16.1,16.3,16.5 and auxiliary sheave 16.2,16.4,16.6 respectively drive
Selecting switch main contact group 13.1,13.3,13.5 and selecting switch auxiliary contact group 13.2,13.4,13.6 act, and complete pressure regulation
The selection of gear, 18.3 actions complete the switching of pressure regulation gear, to complete to the driving switching switch contact of cam 17 group 18.1 ...
Conversion between distribution transformer difference winding tap, completes the adjustment of voltage.Wherein main Geneva mechanism 12.1,12.3,
12.5, assist Geneva mechanism 12.2,12.4,12.6, cam 17.1 ... 17.3, control selections switch main contact group 13.1,13.3,
13.5,18.3 action sequence of selecting switch auxiliary contact group 13.2,13.4,13.6 and switching switch contact group 18.1 ..., from
And complete unremitting voltage adjustment in the case of on-load.
The above is only a preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several changes and improvements can also be made, these changes and improvements are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of special on-load voltage regulating switch of distribution transformer, it is characterised in that：Including stepper motor, gearbox, installation mainboard,
Insulating back panel, square shaft, driving gear, selecting switch component, switching switch module, transition element；
The selecting switch component, the switching switch module, the transition element respectively have three groups, are respectively completed three phase voltage regulating shelves
The selection and switching of position；
Every group of switching switch module includes cam, switching switch contact group, switching switch mainboard；
Include main Geneva mechanism per group selection switch module, assist Geneva mechanism, selecting switch main contact group, selecting switch auxiliary
Help sets of contacts, selecting switch mainboard, main Geneva mechanism includes main driver plate and major trough wheel, auxiliary Geneva mechanism include auxiliary driver plate and
Assist sheave；
The stepper motor is mounted on the gearbox, the gearbox, the selecting switch mainboard, switching switch master
Plate is fixed on the installation mainboard；
The insulating back panel is connect with one end of the selecting switch mainboard, the switching switch mainboard；
The square shaft is applied in the selecting switch mainboard, switching switch mainboard；
The driving gear, the cam, the main driver plate, the auxiliary driver plate are sleeved on the square shaft；
The selecting switch main contact group, the major trough wheel and the selecting switch auxiliary contact group, auxiliary sheave difference
On the two sides of the selecting switch mainboard；The switching switch contact group, the transition element are separately mounted to institute
On the two sides for stating switching switch mainboard.
2. the special on-load voltage regulating switch of a kind of distribution transformer according to claim 1, it is characterised in that：The stepping electricity
Machine drives the gearbox rotation, the gearbox that the rotation of the driving gear, the driving gear is driven to drive the side
The rotation of axis, the square shaft drive the cam, the main driver plate and auxiliary driver plate rotation.
3. the special on-load voltage regulating switch of a kind of distribution transformer according to claim 1 or 2, it is characterised in that：The master
Driver plate drives the major trough wheel to rotate synchronously, and the auxiliary driver plate drives the auxiliary sheave to rotate synchronously, the major trough wheel, institute
It states auxiliary sheave and respectively drives the selecting switch main contact group, selecting switch auxiliary contact group action, complete pressure regulation shelves
The selection of position.
4. the special on-load voltage regulating switch of a kind of distribution transformer according to claim 1 or 2, it is characterised in that：It is described convex
Switch the action of switch contact group described in wheel drive, completes the switching of pressure regulation gear.
5. the special on-load voltage regulating switch of a kind of distribution transformer according to claim 1, it is characterised in that：The major trough wheel
Mechanism, the auxiliary Geneva mechanism and the cam control the selecting switch main contact group, the selecting switch auxiliary contact
The action sequence of group and the switching switch contact group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041234.4A CN106710906B (en) | 2017-01-20 | 2017-01-20 | A kind of special on-load voltage regulating switch of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041234.4A CN106710906B (en) | 2017-01-20 | 2017-01-20 | A kind of special on-load voltage regulating switch of distribution transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106710906A CN106710906A (en) | 2017-05-24 |
| CN106710906B true CN106710906B (en) | 2018-08-17 |
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ID=58908751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710041234.4A Active CN106710906B (en) | 2017-01-20 | 2017-01-20 | A kind of special on-load voltage regulating switch of distribution transformer |
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| Country | Link |
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| CN (1) | CN106710906B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427494A (en) * | 2017-08-22 | 2019-03-05 | 济南爱迪电气设备有限公司 | A kind of dedicated on-load voltage regulating switch of distribution transformer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19836463C1 (en) * | 1998-08-12 | 1999-10-21 | Reinhausen Maschf Scheubeck | Electric stepping switch for stepping transformer |
| CN201936730U (en) * | 2010-12-30 | 2011-08-17 | 徐州海伦哲专用车辆股份有限公司 | On-load voltage regulating movable box-type transformer substation vehicle |
| CN203205259U (en) * | 2013-04-19 | 2013-09-18 | 浙江腾龙电器有限公司 | Oil-immersed double-layered contact vacuum load pressure regulating tap switch for intelligent power distribution network |
| CN103337383B (en) * | 2013-07-12 | 2015-05-13 | 广州市德百顺电气科技有限公司 | Vacuum on-load tap changer |
| DE102013107553B4 (en) * | 2013-07-16 | 2016-05-19 | Maschinenfabrik Reinhausen Gmbh | On-load tap-changer, transmission in the on-load tap-changer and method of emergency operation of a defined switching position in the on-load tap-changer |
| CN206432159U (en) * | 2017-01-20 | 2017-08-22 | 济南爱迪电气设备有限公司 | A kind of special on-load voltage regulating switch of distribution transformer |
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- 2017-01-20 CN CN201710041234.4A patent/CN106710906B/en active Active
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| CN106710906A (en) | 2017-05-24 |
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