CN206516506U - 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
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- CN206516506U CN206516506U CN201720031261.9U CN201720031261U CN206516506U CN 206516506 U CN206516506 U CN 206516506U CN 201720031261 U CN201720031261 U CN 201720031261U CN 206516506 U CN206516506 U CN 206516506U
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- distribution transformer
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- line slideway
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- 238000009826 distribution Methods 0.000 title claims abstract description 48
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 19
- 230000009471 action Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000000737 periodic effect Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
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Abstract
The utility model patent discloses a kind of special on-load voltage regulating switch of distribution transformer, and the switch includes stepper motor, gearbox, ball-screw, line slideway, sequential rack, insulating support, connector, screw bolt-type needle bearing, selecting switch component, switching switch module.The utility model solves distribution transformer on-load voltage regulating switch in the prior art and realizes the problem of on-load voltage regulation needs periodic maintenance, while solving the problem of load ratio bridging switch in the prior art is complicated, cost is high.By by the ball nut of ball-screw, line slideway, sequential rack integration connection driving selecting switch component and switching switch module, simplifying structure, reducing cost.On distribution transformer shape and volume basis is not changed, realize frequently voltage adjustment in the case of 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 in its life cycle Maintenance free, 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
Close.
Background technology
Distribution transformer is the afterbody transformer of power supply network, 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 it 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 realizes load tapchanging case, but the on-load voltage regulation of main transformer applied to distribution transformer
Switch needs periodic maintenance, it is impossible to meet the reliability requirement of distribution transformer, does not apply to the distribution transformer of substantial amounts.
German MR companies have applied for the Chinese invention patent of following application number in China：1st, Application No.
201380020207.9, entitled " load ratio bridging switch "；2nd, Application No. 201380020450.0, it is entitled
" load ratio bridging switch "；3rd, Application No. 201380020742.4, entitled " load ratio bridging switch "；4th, Application No.
201380020745.8, entitled " load ratio bridging switch ".The claimed core of above-mentioned four patents of invention be by
Selector contact unit is not only manipulated in the case of no middle setting accumulator in a common motor drive, and
And manipulate for having the switching device for carrying switching without interruption.But the transmission mechanism of above-mentioned four patents and the machinery of operating mechanism
Complicated, cost is high.
The Application No. 201510106843.4 of Huaming Power Equipment Manufacturing Co., Ltd., Shanghai's application, it is entitled
The patent of invention of " reactance vacuum bar shaped load ratio bridging switch ".The claimed core of its patent of invention is that its transmission mechanism takes
Disappeared bevel gearing of the prior art, drives one of sliding block to be slided on two guide rods using linear electric motors
Dynamic, sliding block is moved by other sliding blocks of bar shaped cam driven on two guide rods.But the mechanical structure of its operating mechanism still compared with
Complicated, cost is higher, and using linear electric motors driving, cost is higher.
Above-mentioned five patents of invention although eliminate accumulator consuming construction and thus operation safety raising while
Simplify design structure, but for the distribution transformer of substantial amounts, still suffer from load ratio bridging switch mechanical structure it is more complicated, into
The problem of this is higher, while load ratio bridging switch life cycle and maintenance issues are not illustrated in its design concept, it is right
In the high reliability request of distribution transformer, load ratio bridging switch needs higher reliability to require.
The content of the invention
The purpose of this utility model is to provide a kind of special on-load voltage regulating switch of distribution transformer, solves in the prior art
Distribution transformer realizes load tapchanging integrity problem, while solving load ratio bridging switch present in prior art
It is complicated, the problem of cost is high.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that：
The frequently special on-load voltage regulation of a kind of distribution transformer of adjustment voltage in the case of on-load for distribution transformer
Switch, including insulating support, selecting switch component, switching switch module, it is characterised in that：Also include stepper motor, gearbox,
Ball-screw, line slideway, sequential rack, connector, screw bolt-type needle bearing；
The gearbox, the ball-screw, the line slideway, the screw bolt-type needle bearing, the selecting switch
Component, the switching switch module are each attached on the insulating support；
The stepper motor is arranged on the gearbox, drives the gearbox to rotate；The gearbox and the rolling
Ballscrew is connected, and drives the ball screw turns；
The ball nut of the ball-screw, the line slideway, the sequential rack are connected into by the connector
One；
The ball-screw drives motion and precise positioning of the line slideway with the sequential rack；
The line slideway drives the selection of the selecting switch component completion pressure regulation gear；
Switch the switching that switch module completes pressure regulation gear described in the sequential rack drives.
According to a kind of preferred embodiment of the present utility model, the sequential rack controls the selecting switch component and institute
State the action sequence of switching switch module.
According to a kind of preferred embodiment of the present utility model, tagmeme is convex sometimes on the sequential rack, tagmeme when described
The switching time point of the convex control switching switch module.
According to a kind of preferred embodiment of the present utility model, the screw bolt-type needle bearing is arranged on the sequential rack
Lower section, and contacted with the sequential rack, for supporting the sequential rack.
Relative to prior art, the beneficial effects of the utility model are a simplified the special on-load voltage regulating switch of distribution transformer
Structure design, reduce cost, on the basis of distribution transformer shape and volume is not changed, realize distribution transformer and exist
Frequently voltage is adjusted in the case of on-load, is stabilized supply voltage, is reduced loss；Its life cycle is realized simultaneously to be equal
In the life cycle of distribution transformer device body, and in its life cycle Maintenance free characteristic, improving distribution transformer has
The reliability of voltage adjustment of on-load.
Brief description of the drawings
Fig. 1 is that the special on-load voltage regulating switch of the utility model distribution transformer is arranged on the intrinsic entirety of distribution transformer
Outline drawing；
Fig. 2 is the special on-load voltage regulating switch cut-away view a of the utility model distribution transformer, in its insulating support side
On line slideway and selecting switch component are installed；
Fig. 3 is the special on-load voltage regulating switch cut-away view b of the utility model distribution transformer, another in its insulating support
Sequential rack and switching switch module are installed on side；
Fig. 4 is the part operating mechanism connection figure of the special on-load voltage regulating switch of the utility model distribution transformer.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Embodiment discussed below is only used for more clear
Illustrate the technical solution of the utility model clearly, be the selected embodiment of the utility model, rather than whole embodiments,
Protection domain of the present utility model can not be limited with this.Those skilled in the art are not on the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, the special on-load voltage regulating switch 2 of the utility model distribution transformer is arranged on whole in distribution transformer 1
Body outline drawing, only the special on-load voltage regulation of distribution transformer opens 2 stepping electricity 3 outside the case lid of distribution transformer as seen from the figure,
Other parts do not change the volume and shape of distribution transformer in distribution transformer body.
Referring to Fig. 2 and Fig. 3, the utility model discloses a kind of special on-load voltage regulating switch 2 of distribution transformer, including stepping electricity
Machine 3, gearbox 4, ball-screw 5, line slideway 6, sequential rack 7, insulating support 8, connector 9.1,9.2,9.3, screw bolt-type
Needle bearing 10.1,10.2,10.3, selecting switch component 11.1,11.2,11.3, switching switch module 12.1,12.2,12.3.
Gearbox 4, line slideway 6, screw bolt-type needle bearing 10.1,10.2,10.3, selecting switch component 11.1,11.2,11.3, cut
Change switch module 12.1,12.2,12.3 to be each attached on insulating support 8, ball-screw 5 is solid by leading screw support 13.1,13.2
It is scheduled on insulating support 8.Stepper motor 3 is arranged on gearbox 4, and driving gearbox 4 is rotated, and gearbox 4 passes through biography thereon
The driving ball-screw 5 of moving axis 17 is rotated.Ball nut 15, line slideway 6, the sequential rack 7 of ball-screw 5 pass through connector
9.1 link into an integrated entity, and ball-screw 5 rotates the motion and precise positioning for driving line slideway 6 with sequential rack 7.
Line slideway 6 is moved, and drives selecting switch component 11.1,11.2,11.3 to complete by connector 9.1,9.2,9.3
The selection of pressure regulation gear.Sequential rack 7 is moved, by the convex 14 driving switching switch module 12.1 of when tagmeme thereon, 12.2,
12.3 complete the switching of pressure regulation gear.Tagmeme convex 14 when having several on sequential rack 7, when tagmeme convex 14 quantity and position root
According to pressure regulation gear number and switching switch module 12.1,12.2,12.3 and selecting switch component 11.1,11.2,11.3 action when
Between and sequential determine, when the convex 14 control switching switch module 12.1,12.2,12.3 of tagmeme switching time point, sequential rack 7 controls
Selecting switch component 11.1,11.2,11.3 processed and the action sequence for switching switch module 12.1,12.2,12.3.Sequential rack 7
Lower section screw bolt-type needle bearing 10.1,10.2,10.3 is installed, screw bolt-type needle bearing 10.1,10.2,10.3 is used for supporting
Sequential rack.
Referring to Fig. 4, the perspective view with certain depression angle illustrates ball nut 15, the line slideway 6 of ball-screw 5
Bar 7 is rigidly connected integrally in order of age in time.As seen from the figure, ball nut mount 16 is arranged on ball nut 15, for connecting rolling
Pearl nut 15 and connector 9.1, the ball nut 15 of line slideway 6, sequential rack 7 and ball-screw are firm by connector 9.1
Property links into an integrated entity, and in order to be able to there is enough driving forces in motion process, line slideway 6 and sequential rack 7 are further through connection
Part 9.2,9.3 is rigidly connected.When the driving ball-screw 5 of power transmission shaft 17 is moved, ball-screw 5 drives sequential rack 7
Moved with line slideway 6, thus drive switching switch module 12.1,12.2,12.3 and selecting switch component 11.1,11.2,
11.3 actions, complete the conversion between the different winding taps of distribution transformer, complete the adjustment of voltage.
The special on-load voltage regulating switch 2 of distribution transformer uses stepper motor 3, and stepper motor 3 compares other motors driving dress
Put and control accurate, long lifespan；Using ball-screw 5, mechanical friction is small；Using ball nut 15, the line slideway of ball-screw 5
6th, the rigid unitary structure design of sequential rack 7, and set below sequential rack 7 screw bolt-type needle bearing 10.1,10.2,
10.3, mechanical wear is small；During pressure regulation selecting switch component 11.1,11.2,11.3 and switching switch module 12.1,12.2,
12.3 be light momentum without percussion action, mechanical life is long；So that the life cycle of the special on-load voltage regulating switch 2 of distribution transformer
It is equal to the life cycle of the device body of distribution transformer 1, and the Maintenance free during frequent continuous voltage regulating in its life cycle.
Described above is only preferred embodiment of the present utility model, it is noted that for the technology people of the art
Member for, on the premise of the utility model technical principle is not departed from, some changes and improvements can also be made, these change and
Improvement also should be regarded as protection domain of the present utility model.
Claims (4)
1. for distribution transformer, frequently a kind of special on-load voltage regulation of distribution transformer of adjustment voltage is opened in the case of on-load
Close, including insulating support, selecting switch component, switching switch module, it is characterised in that：Also include stepper motor, gearbox, rolling
Ballscrew, line slideway, sequential rack, connector, screw bolt-type needle bearing；
The gearbox, the ball-screw, the line slideway, the screw bolt-type needle bearing, the selecting switch component,
The switching switch module is each attached on the insulating support；
The stepper motor is arranged on the gearbox, drives the gearbox to rotate；The gearbox and the ball wire
Thick stick is connected, and drives the ball screw turns；
The ball nut of the ball-screw, the line slideway, the sequential rack are linked into an integrated entity by the connector；
The ball-screw drives motion and precise positioning of the line slideway with the sequential rack；
The line slideway drives the selection of the selecting switch component completion pressure regulation gear；
Switch the switching that switch module completes pressure regulation gear described in the sequential rack drives.
2. the special on-load voltage regulating switch of a kind of distribution transformer according to claim 1, it is characterised in that：When described in order of age
Bar controls the action sequence of the selecting switch component and the switching switch module.
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：When described
Tagmeme is convex sometimes on bar in order of age, the switching time point of tagmeme convex control switching switch module when described.
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：The spiral shell
Bolt type needle bearing is arranged on below the sequential rack, and is contacted with the sequential rack, for supporting sequential rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031261.9U CN206516506U (en) | 2017-01-12 | 2017-01-12 | A kind of special on-load voltage regulating switch of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031261.9U CN206516506U (en) | 2017-01-12 | 2017-01-12 | A kind of special on-load voltage regulating switch of distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516506U true CN206516506U (en) | 2017-09-22 |
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ID=59865617
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720031261.9U Active CN206516506U (en) | 2017-01-12 | 2017-01-12 | A kind of special on-load voltage regulating switch of distribution transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653426A (en) * | 2017-01-12 | 2017-05-10 | 济南爱迪电气设备有限公司 | On-load voltage regulation switch special for power distribution transformer |
-
2017
- 2017-01-12 CN CN201720031261.9U patent/CN206516506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653426A (en) * | 2017-01-12 | 2017-05-10 | 济南爱迪电气设备有限公司 | On-load voltage regulation switch special for power distribution transformer |
| CN106653426B (en) * | 2017-01-12 | 2018-08-17 | 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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