CN106449025A - Dry-type transformer protecting device - Google Patents
Dry-type transformer protecting device Download PDFInfo
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- CN106449025A CN106449025A CN201611136511.1A CN201611136511A CN106449025A CN 106449025 A CN106449025 A CN 106449025A CN 201611136511 A CN201611136511 A CN 201611136511A CN 106449025 A CN106449025 A CN 106449025A
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- Prior art keywords
- transformer
- door
- dry
- plate
- hand rotation
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Links
- 230000002633 protecting Effects 0.000 title abstract description 8
- 239000003570 air Substances 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010410 layers Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000011521 glasses Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002035 prolonged Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 239000007789 gases Substances 0.000 description 9
- 230000001681 protective Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering processes Methods 0.000 description 2
- 230000001131 transforming Effects 0.000 description 2
- 238000004642 transportation engineering Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000000994 depressed Effects 0.000 description 1
- 238000010586 diagrams Methods 0.000 description 1
- 239000000463 materials Substances 0.000 description 1
- 239000004531 microgranule Substances 0.000 description 1
- 239000007787 solids Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of devices for separating particles from gases or vapours
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
Abstract
Description
Technical field
The present invention relates to a kind of transformator protecting crust technical field, specifically a kind of dry-type transformer preventer.
Background technology
Protection equipment for transformer be integrate the several functions such as protection, supervision, control, communication power automation high-new Technical products, are the preferable electric appliance units constituting intelligent switchboard system.Built-in one of this product protects journey by more than 20 standards The protection storehouse that sequence is constituted, has the completely powerful acquisition function to primary equipment voltage x current analog quantity and switching value（Electric current Measurement is realized by protecting CT）.
The Chinese patent of Application No. 201420248131.7 discloses a kind of separate type protective outer cover of dry transformer, it Including framework vertical beam, left side backplate, right side backplate, upper frame, underframe, bottom sealing plate, lamina tecti and cover door, lamina tecti one is divided into Two are respectively front tectal lamina, back header plate, and left side backplate is divided into two respectively front left side guard plate and rear left side guard plate, and right side is protected Plate is divided into two respectively front right side guard plate and rear right side guard plate, and upper frame is divided into two and is divided into front upper frame and rear upper frame, Underframe is divided into front underframe and rear underframe, and bottom sealing plate is divided into two and is divided into front bottom sealing plate and rear bottom sealing plate, front bottom sealing plate and Bottom sealing plate is directly fixedly connected on ground using foundation bolt afterwards.
This patent is disadvantageous in that：This separate type protective outer cover of dry transformer is designed to former and later two symmetrical portions Point, in front and back, junction is all fixedly connected former and later two parts with bolt, leads to dry-type transformer internal gas not circulate, and becomes Depressor operationally can produce amount of heat, with protective cover, whole transformator is placed in confined space, may result in protective cover Interior temperature spends height, causes unpredictable danger；It is not provided with corresponding transformation in this separate type protective outer cover of dry transformer Device base, transformator bottom can accumulate certain dampness for a long time, be unfavorable for that transformator works, can shorten transformator service life； This separate type protective outer cover of dry transformer be directly with foundation bolt be fixed although in the short time reliability high, but It is to need periodically to check, so as not to bolt looseness, labor intensive material resources, after being fixed with foundation bolt, this separate type dry-type transformer Containment envelope is inconvenient to move.
Content of the invention
It is an object of the invention to provide a kind of dry-type transformer preventer, to solve proposition in above-mentioned background technology Problem.
For achieving the above object, the present invention provides following technical scheme：
A kind of dry-type transformer preventer, including transformer-cabinet, transformer-cabinet top is provided with air intake frame, transformer-cabinet Inside it is provided with the dedusting axle connecting motor, dedusting axle is provided with cleaning brush, and cleaning brush bottom is provided with filter layer, filter layer bottom It is provided with dividing plate, the lower partition is provided with transformer body, transformer body includes iron core, folder and coil windings, folder includes Folder and lower clamping piece, lower clamping piece both sides are provided with blower fan, and transformer-cabinet bottom is provided with base, and base bottom is provided with support base, Support seat is provided with T-shaped chute, and T-shaped chute bottom is provided with roller groove, and base bottom is provided with the T-shaped slide block being contained in T-shaped chute, T Type slide block bottom is provided with the roller being contained in roller groove, is provided with fixing axle on the left of support base, equipped with baffle plate in fixing axle, baffle plate one End is provided with arc-shaped slot, and transformer-cabinet both sides are provided with fixed frame, and fixing inframe is provided with binding post, and it is solid that fixed frame includes first Determine frame and the second fixed frame, binding post includes high-voltage connection terminal and low-voltage wiring terminal, is provided with door on front side of transformer-cabinet Plate, door-plate includes left door plate and right door plate, and door-plate bottom is provided with air outlet.
As the further scheme of the present invention：Described air intake inframe wall is provided with the fans drive being connected with drive motor Axle, fan drive shaft is provided with fan blade, and dividing plate is provided with sieve aperture.
As the further scheme of the present invention：It is coated with coil windings, coil windings and iron core top outside described iron core Upper clamping piece is fixed with by screw rod, coil windings and mandrel lower are fixed with lower clamping piece by screw rod.
As the further scheme of the present invention：It is provided with axis, axis is provided with block, first is fixing on the right side of described support base Inframe is provided with high-voltage connection terminal, and the second fixing inframe is provided with low-voltage wiring terminal.
As the further scheme of the present invention：On the right side of described left door plate, left-hand rotation door is connected to by hinge, right door plate passes through hinge Chain is connected to right-hand rotation door, and right-hand rotation door is provided with handle, and left-hand rotation door and right-hand rotation door are provided with the sight vane equipped with clear glass.
As the further scheme of the present invention：Equipped with bull stick, bull stick is provided with rotating vane to described air outlet inwall.
Compared with prior art, the invention has the beneficial effects as follows：Floor space of the present invention is little, mobile convenient transportation, produces Low cost, the circulation of inside transformer gas can be radiated in time, be effectively prevented dry-type transformer and burnt by high temperature, extend The service life of transformator, checks that maintenance is convenient, practical value is high.
Brief description
Fig. 1 is the outside left view of dry-type transformer preventer.
Fig. 2 is the inside left view of dry-type transformer preventer.
Fig. 3 is the front view of dry-type transformer preventer.
Fig. 4 is the air intake frame internal structure schematic diagram of dry-type transformer preventer.
In figure：1- transformer-cabinet, 2- air intake frame, 3- fan drive shaft, 4- fan blade, 5- dedusting axle, 6- dedusting hair Brush, 7- filter layer, 8- dividing plate, 9- iron core, 10- upper clamping piece, 11- lower clamping piece, 12- blower fan, 13- base, 14- support base, 15-T Type slide block, 16- roller, 17- baffle plate, 18- arc-shaped slot, 19- axis, 20- block, 21- binding post, 22- first fixed frame, 23- second fixed frame, 24- door-plate, 25- hinge, 26- left-hand rotation door, 27- right-hand rotation door, 28- sight vane, 29- rotating vane.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1～4, in the embodiment of the present invention, a kind of dry-type transformer preventer, including transformer-cabinet 1, transformator Casing 1 top is provided with air intake frame 2, and air intake frame 2 inwall is provided with the fan drive shaft 3 being connected with drive motor, fan drive shaft 3 It is provided with fan blade 4, in transformer-cabinet 1, is provided with the dedusting axle 5 connecting motor, dedusting axle 5 is provided with cleaning brush 6, removes Dirt hairbrush 6 bottom is provided with filter layer 7, and filter layer 7 bottom is provided with dividing plate 8, and dividing plate 8 is provided with sieve aperture, and dividing plate 8 bottom is provided with transformation Device body, transformer body includes iron core 9, folder and coil windings, and folder includes upper clamping piece 10 and lower clamping piece 11, outside iron core 9 Side is coated with coil windings, and coil windings are fixed with upper clamping piece 10 with iron core 9 top by screw rod, under coil windings and iron core 9 Portion is fixed with lower clamping piece 11 by screw rod, and lower clamping piece 11 both sides are provided with blower fan 12, and transformer-cabinet 1 bottom is provided with base 13, bottom Seat 13 bottoms are provided with support base 14, and support base 14 is provided with T-shaped chute, and T-shaped chute bottom is provided with roller groove, and base 13 bottom sets There is the T-shaped slide block 15 being contained in T-shaped chute, T-shaped slide block 15 bottom is provided with the roller 16 being contained in roller groove, on the left of support base 14 It is provided with fixing axle, equipped with baffle plate 17 in fixing axle, baffle plate 17 one end is provided with arc-shaped slot 18, is provided with axis on the right side of support base 14 19, axis 19 is provided with block 20, and transformer-cabinet 1 both sides are provided with fixed frame, and fixing inframe is provided with binding post 21, fixed frame Including the first fixed frame 22 and the second fixed frame 23, binding post 21 includes high-voltage connection terminal and low-voltage wiring terminal, and first It is provided with high-voltage connection terminal in fixed frame 22, be provided with low-voltage wiring terminal in the second fixed frame 23, be provided with front side of transformer-cabinet 1 Door-plate 24, door-plate 24 includes left door plate and right door plate, is connected to left-hand rotation door 26 by hinge 25 on the right side of left door plate, and right door plate passes through hinge Chain is connected to right-hand rotation door 27, and right-hand rotation door 27 is provided with handle, and left-hand rotation door 26 and right-hand rotation door 27 are provided with the perspective equipped with clear glass Hole 28, door-plate 24 bottom is provided with air outlet, and equipped with bull stick, bull stick is provided with rotating vane 29 to air outlet inwall.
Present configuration is novel, stable, the present invention when using, gas entering from transformer-cabinet 1 top first Wind frame 2 enters transformer-cabinet 1, and the impurity such as microgranule that gas is contained within by the cleaning brush 6 on gas removing dust axle 5 removes, The filter layer 7 of gas removing dust hairbrush 6 bottom again filters, and enters transformer body through the sieve aperture on dividing plate 8, and gas is by transformator The amount of heat producing during work absorbs and becomes hot blast, and the rotating vane 29 in door-plate 24 lower air outlet is blown by hot blast, rotating vane 29 Around bar rotation, gap between rotating vane 29 for the hot blast is discharged, and the blower fan 12 on base 13 works, and gas circulation is strengthened further Radiating effect in transformer-cabinet 1 it is ensured that transformator normal work, when transformator needs mobile, can be by the gear on support base Plate 17 overturns to transformer-cabinet 1 side, and T-shaped slide block 15 and roller 16 can skid off in T-slot and roller groove, T-shaped slide block The base 13 on 15 tops and transformer-cabinet 1 may move, time saving and energy saving, convenient and swift, revolving door be provided with equipped with transparent glass The sight vane 28 of glass can be checked in the case of not opening revolving door at any time, during maintenance transformator, can directly open transformer tank Revolving door that body 1 front side is connected on door-plate 24 by hinge 25 entering carefully is overhauled, and floor space of the present invention is little, movement Convenient transportation, low production cost, the circulation of inside transformer gas can be radiated in time, is effectively prevented dry-type transformer high Temperature is burnt, and extends the service life of transformator, checks that maintenance is convenient, practical value is high.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined Understandable other embodiment.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136511.1A CN106449025B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protector |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136511.1A CN106449025B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protector |
| CN201710754321.4A CN107424733B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protective device and its application method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710754321.4A Division CN107424733B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protective device and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106449025A true CN106449025A (en) | 2017-02-22 |
| CN106449025B CN106449025B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710754321.4A CN107424733B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protective device and its application method |
| CN201611136511.1A CN106449025B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protector |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710754321.4A CN107424733B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protective device and its application method |
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| Country | Link |
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| CN (2) | CN107424733B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952716A (en) * | 2017-04-20 | 2017-07-14 | 河南基泰电气有限公司 | A kind of mounting structure of current transformer |
| CN108320885A (en) * | 2018-03-16 | 2018-07-24 | 安徽金环电气设备有限责任公司 | A kind of heat radiating type transformer case and its installation method |
| CN110301789A (en) * | 2019-08-15 | 2019-10-08 | 焦作大学 | A kind of literary works are removable to show device |
| CN111489882A (en) * | 2020-04-24 | 2020-08-04 | 中变集团上海变压器有限公司 | Oil-immersed transformer convenient to installation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098343A (en) * | 2017-12-07 | 2018-06-01 | 浙江吉利汽车有限公司 | A kind of hole processing device and hole forming method |
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- 2016-12-12 CN CN201710754321.4A patent/CN107424733B/en active IP Right Grant
- 2016-12-12 CN CN201611136511.1A patent/CN106449025B/en active IP Right Grant
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| JP2005093534A (en) * | 2003-09-12 | 2005-04-07 | Daihen Corp | Transformer with ventilation fan |
| CN101235987A (en) * | 2008-03-07 | 2008-08-06 | 广东美的电器股份有限公司 | Wall hanging air conditioner capable of automatically dedusting |
| CN101814704A (en) * | 2010-03-30 | 2010-08-25 | 安徽省电力公司蚌埠供电公司 | Device for mounting and adjusting control box of isolating switch |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106952716A (en) * | 2017-04-20 | 2017-07-14 | 河南基泰电气有限公司 | A kind of mounting structure of current transformer |
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| CN110301789A (en) * | 2019-08-15 | 2019-10-08 | 焦作大学 | A kind of literary works are removable to show device |
| CN111489882A (en) * | 2020-04-24 | 2020-08-04 | 中变集团上海变压器有限公司 | Oil-immersed transformer convenient to installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107424733A (en) | 2017-12-01 |
| CN107424733B (en) | 2018-12-21 |
| CN106449025B (en) | 2017-11-24 |
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Effective date of registration: 20171030 Address after: 236800, 3, 207 crystal mansion, Qiaocheng District, Anhui, Bozhou Applicant after: Bozhou Woye Intellectual Property Service Co. Ltd. Address before: Nan Lu Yang Park in Changshou City Xinzhuang Town Suzhou city Jiangsu province 215562 Yang No. 1 Applicant before: Shen Xiaohong |
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Effective date of registration: 20190412 Address after: 515631 Phosphorus Stream Town Border Pipe Area, Xiangqiao District, Chaozhou City, Guangdong Province (Former Refractory Brick Factory) Patentee after: Chaozhou Guangli Dapeng Electrical Equipment Co., Ltd. Address before: 236800 3 building 207, Hai Jing building, Qiaocheng District, Bozhou, Anhui Patentee before: Bozhou Woye Intellectual Property Service Co. Ltd. |