CN106710906A - On-load tap changer special for distribution transformer - Google Patents
On-load tap changer special for distribution transformer Download PDFInfo
- Publication number
- CN106710906A CN106710906A CN201710041234.4A CN201710041234A CN106710906A CN 106710906 A CN106710906 A CN 106710906A CN 201710041234 A CN201710041234 A CN 201710041234A CN 106710906 A CN106710906 A CN 106710906A
- Authority
- CN
- China
- Prior art keywords
- switch
- auxiliary
- distribution transformer
- mainboard
- contact group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—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)
- Keying Circuit Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses an on-load tap changer special for a distribution transformer. The tap changer comprises a stepping motor, a gearbox, a mounting mainboard, an insulated backboard, a square shaft, a driving gear, a selective switch assembly, a shift switch assembly and a transition element. The square shaft is driven to move by the driving gear, the square shaft drives a cam in the shift switch assembly and a geneva mechanism in the selective switch assembly to drive the selective switch and the shift switch to complete switching among tapping points of the distribution transformer windings, and voltage regulation is completed. Frequent voltage regulation is realized under the condition that the distribution transformer is on-load on the basis of not changing the shape and volume of the distribution transformer, the power supply voltage is stabilized, and the loss is reduced. Meanwhile, the life cycle of the on-load tap changer is equivalent to that of the distribution transformer, the on-load tap changer does not need to be maintained in the life cycle, and the on-load voltage regulation reliability of the distribution transformer is improved.
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
Close.
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, needs to be initially switched off power supply during pressure regulation, then
Non-excitation pressure adjustment switch is manually adjusted again, and adjustment recovers power transmission again after finishing.Due to needing the ability pressure regulation that has a power failure, and can not 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, run using electric equipment it is abnormal, cause distribution transformer in itself with electrical equipment be lost increase.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 main transformer on-load voltage regulation
Volume of switch is big and needs periodic maintenance, it is impossible to meet the reliability requirement of distribution transformer, and the distribution for not applying to substantial amounts becomes
Depressor.
The content of the invention
It is an object of the invention to provide a kind of special on-load voltage regulating switch of distribution transformer, solve has load in the prior art
Tap changer needs the problem of periodic maintenance, while solving in the prior art, on-load voltage regulating switch volume is big, be not easy to what is installed
Problem, realizes on-load voltage regulating switch miniaturization, long-life, non-maintaining characteristic.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of special on-load voltage regulating switch of distribution transformer of voltage is frequently adjusted in the case of on-load for distribution transformer,
It is characterized in that：Including stepper motor, gearbox, install 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 that main Geneva mechanism, auxiliary Geneva mechanism, selecting switch main contact group, selecting switch are auxiliary per group selection switch module
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
Auxiliary sheave；
The stepper motor is arranged on the gearbox, the gearbox, the selecting switch mainboard, switching switch master
Plate is fixed on the installation mainboard；
The insulating back panel is connected with one end of the selecting switch mainboard, 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
State on the two sides of switching switch mainboard.
A preferred embodiment of the invention, gearbox described in the driving stepper motor is rotated, the speed change
The rotation of the case driving driving gear, the rotation of the driving gear drive square shaft, the square shaft drive cam,
The main driver plate and the auxiliary driver plate are rotated.
A preferred embodiment of the invention, the main driver plate drives the major trough wheel synchronous axial system, described auxiliary
Driver plate is helped to drive the auxiliary sheave synchronous axial system, the major trough wheel, the auxiliary sheave drive the selecting switch master respectively
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, completes 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.
Relative to prior art, opened the beneficial effects of the invention are as follows a kind of special on-load voltage regulation of distribution transformer has been invented
Close, in distribution transformer body, distribution transformer shape and volume are not changed；It realizes distribution transformer on-load
In the case of frequently voltage adjustment, stabilize supply voltage, reduce loss；Its fault-free, non-maintaining continuous is realized simultaneously
Pressure regulation is acted more than 300,000 times, can accomplish non-maintaining in distribution transformer life cycle, and improve distribution transformer has load
The reliability of pressure regulation.
Brief description of the drawings
Fig. 1 is that the special on-load voltage regulating switch of distribution transformer of the present invention is arranged on the intrinsic monnolithic case of distribution transformer
Figure；
Fig. 2 is the special on-load voltage regulating switch cut-away view a of distribution transformer of the present invention；
Fig. 3 is the special on-load voltage regulating switch cut-away view b of distribution transformer of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Implementation method discussed below is only used for more clearly from
Technical scheme is illustrated, is the selected implementation method of the present invention, rather than whole implementation methods, it is impossible to limited with this
Protection scope of the present invention processed.It is every other that those skilled in the art are obtained on the premise of creative work is not made
Implementation method, belongs to the scope of protection of the invention.
Referring to Fig. 1, the special on-load voltage regulating switch 2 of distribution transformer of the present invention is arranged on overall outer in distribution transformer 1
Shape figure, the as seen from the figure only special on-load voltage regulation of distribution transformer opens 2 stepping electricity 3 outside the case lid of distribution transformer, other
Part does not change the volume and shape of distribution transformer in distribution transformer body.
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, install mainboard 5, driving gear 6, square shaft 7, selecting switch component 8.1,8.2,8.3, switching switch module 9.1,
9.2nd, 9.3, transition element 10.1,10.2,10.3, insulating back panel 11, major trough is included per group selection switch module 8.1,8.2,8.3
Wheel 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,
13.5th, selecting switch auxiliary contact group 13.2,13.4,13.6, selecting switch mainboard 14.1,14.2,14.3, main Geneva mechanism
12.1st, 12.3,12.5 include main driver plate 15.1,15.3,15.5 and major trough wheel 16.1,16.3,16.5, aid in Geneva mechanism
12.2nd, 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 arranged on gearbox 4, and gearbox 4 is arranged on to be installed on mainboard 5, selecting switch mainboard 14.1 ...
14.3 are fixed on the lower section of installation mainboard 5 with switching switch mainboard 19.1 ... 19.3, and insulating back panel 11 is fixed on selecting switch mainboard
14.1 ... 14.3 and one end of switching switch mainboard 19.1 ... 19.3, square shaft 7 is applied in selecting switch mainboard 14.1 ... 14.3, cut
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 arranged on the same side of selecting switch mainboard 14.1 ... 14.3, aid in sheave 16.2,16.4,16.6, selecting switch
Auxiliary contact group 13.2,13.4,13.6 is arranged on the another side of selecting switch mainboard 14.1 ... 14.3, switches switch contact
Group 18.1,18.2,18.3 is arranged on the switching switch one side of mainboard 19.1 ... 19.3, and transition element 10.1,10.2,10.3 is pacified
On switching switch mainboard 19.1 ... 19.3 another side.
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
Rotate, 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 drive respectively
Selecting switch main contact group 13.1,13.3,13.5 and selecting switch auxiliary contact group 13.2,13.4,13.6 are acted, and complete pressure regulation
18.3 actions that the selection of gear, cam 17 drives switching switch contact group 18.1 ..., complete the switching of pressure regulation gear, so as to complete
Conversion between distribution transformer difference winding tap, completes the adjustment of voltage.Wherein main Geneva mechanism 12.1,12.3,
12.5th, auxiliary Geneva mechanism 12.2,12.4,12.6, cam 17.1 ... 17.3, control selections switch main contact group 13.1,13.3,
13.5th, 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 the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, on the premise of the technology of the present invention principle is not departed from, some changes and improvements can also be made, these changes and improvements also should
It is considered as protection scope of the present invention.
Claims (5)
1. frequently a kind of special on-load voltage regulation of distribution transformer of adjustment voltage is opened in the case of on-load to be used for distribution transformer
Close, it is characterised in that：Including stepper motor, gearbox, mainboard, insulating back panel, square shaft, driving gear, selecting switch group are installed
Part, 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 that main Geneva mechanism, auxiliary Geneva mechanism, selecting switch main contact group, selecting switch are auxiliary per group selection switch module
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
Auxiliary sheave；
The stepper motor is arranged on the gearbox, the gearbox, the selecting switch mainboard, switching switch master
Plate is fixed on the installation mainboard；
The insulating back panel is connected with one end of the selecting switch mainboard, 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
State on the two sides of 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 to rotate, and the gearbox drives the rotation of the driving gear, and the driving gear drives the side
The rotation of axle, the square shaft drives the cam, the main driver plate and the auxiliary driver plate to rotate.
3. the special on-load voltage regulating switch of a kind of distribution transformer according to claim 1 and 2, it is characterised in that：The master
Driver plate drives the major trough wheel synchronous axial system, the auxiliary driver plate to drive the auxiliary sheave synchronous axial system, the major trough wheel, institute
State auxiliary sheave drives the selecting switch main contact group, the selecting switch auxiliary contact group to act respectively, completes pressure regulation shelves
The selection of position.
4. the special on-load voltage regulating switch of a kind of distribution transformer according to claims 1 to 3, it is characterised in that：It is described convex
Switch the action of switch contact group described in wheel drive, complete the switching of pressure regulation gear.
5. the special on-load voltage regulating switch of a kind of distribution transformer according to Claims 1-4, it is characterised in that：The master
Geneva mechanism, the auxiliary Geneva mechanism and the cam, control the selecting switch main contact group, selecting switch auxiliary
The action sequence of sets of contacts 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 true CN106710906A (en) | 2017-05-24 |
| CN106710906B CN106710906B (en) | 2018-08-17 |
Family
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106710906B (en) |
Cited By (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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1275240A (en) * | 1998-08-12 | 2000-11-29 | 赖茵豪森机械制造公司 | Step switch with selector |
| 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 |
| CN103337383A (en) * | 2013-07-12 | 2013-10-02 | 广州市德百顺电气科技有限公司 | Vacuum on-load tap changer |
| DE102013107553A1 (en) * | 2013-07-16 | 2015-01-22 | Maschinenfabrik Reinhausen Gmbh | On-load tap-changer and method for emergency operation setting of a defined switching position of an 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 |
-
2017
- 2017-01-20 CN CN201710041234.4A patent/CN106710906B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1275240A (en) * | 1998-08-12 | 2000-11-29 | 赖茵豪森机械制造公司 | Step switch with selector |
| 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 |
| CN103337383A (en) * | 2013-07-12 | 2013-10-02 | 广州市德百顺电气科技有限公司 | Vacuum on-load tap changer |
| DE102013107553A1 (en) * | 2013-07-16 | 2015-01-22 | Maschinenfabrik Reinhausen Gmbh | On-load tap-changer and method for emergency operation setting of a defined switching position of an 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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN106710906B (en) | 2018-08-17 |
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