CN202282231U - Transformer bushing - Google Patents
Transformer bushing Download PDFInfo
- Publication number
- CN202282231U CN202282231U CN2011204260438U CN201120426043U CN202282231U CN 202282231 U CN202282231 U CN 202282231U CN 2011204260438 U CN2011204260438 U CN 2011204260438U CN 201120426043 U CN201120426043 U CN 201120426043U CN 202282231 U CN202282231 U CN 202282231U
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- CN
- China
- Prior art keywords
- flange
- bushing
- tap
- sleeve pipe
- transformer
- 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.)
- Expired - Fee Related
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to a transformer bushing in the electric power industry. The transformer bushing includes a conductive bar, a general cap, a joint, an oil pillow, a bushing, a porcelain sleeve, a flange, a shielding bushing, an insulating cylinder, a voltage-equalizing ball, and a conductive pipe. The shielding bushing is fixedly arranged on the flange, the lower part of the shielding bushing is provided with the voltage-equalizing ball, the conductive pipe is inserted in the inner cavity of the shielding bushing, the bushing is sleeved on the periphery of the conductive pipe, the bushing is an insulation capacitance body provided with a plurality of lead-out taps, the lower end of the porcelain sleeve is connected to the flange. Because the plurality of lead-out taps are arranged on the bushing and are connected to a detection device, thus, the detection process is more reliable. Because the taps are respectively led out from the electrode at the outermost layer and the electrode at the secondary outer layer, miniwatt power supply in certain voltage can be obtained from the two electrode plates while the apparatus runs to supply power to the detection device. The reliable and compact connection between the experimental taps and a flange base facilitate the performance testing. The grounding of the whole body is very convenient because a ground base is arranged in the experimental taps.
Description
Technical field
The utility model relates to a kind of bushing shell for transformer that power industry is used.
Background technology
Through the relevant patent documentation of retrieval, do not retrieve a kind of bushing shell for transformer identical at present as yet with the utility model structure.Existing its main insulation of oilpaper bushing shell for transformer of using generally adopts the oil-paper capacitor body, after vacuumize, in transformer, forms through vacuum impregnation again.Though this class formation has excellent elasticity; But also because reasons in structure, make it be prone to problems such as seepage, oil pollution, and after operation a period of time because variation of temperature; Be prone to gathering of gas and medium; This moment, then maintenance cost was higher if carry out interruption maintenance, and influence electricity consumption, maintenance cost is higher; And existing bushing shell for transformer can only be to the powerful device power supply source after the tap of outermost layer electrode is drawn; Continuous propelling along with digitizer and intelligent grid requirement; When the existing equipment requirement detects sleeve pipe, also need carry out transformation or offer controller, control so that power supply to be provided through a low power power supply to existing power supply; Make the cost of equipment significantly improve; And be difficult to reach the purpose of accurate test, thus be necessary existing bushing shell for transformer is improved, to satisfy the needs of intelligent grid.
Summary of the invention
The purpose of the utility model is that a kind of improvement on existing bushing shell for transformer basis will be provided, and can drop into by minimizing equipment, has good seal performance and compact conformation, a kind of bushing shell for transformer of dependable performance.
The technical characterictic of the utility model is: be designed on flange, be fixed with shielded tube by busbar, with a kind of bushing shell for transformer that army cap, joint, conservator, sleeve pipe, insulator, flange, shielded tube, insulating cylinder, voltage equalizing ball, contact tube are formed on dependable performance, the basis easy to detect considering; Bottom at shielded tube is provided with voltage equalizing ball; In the inner chamber of shielded tube, be fitted with contact tube; Outer race at contact tube is equipped with sleeve pipe, in the sleeve pipe outer race insulator is housed, and described sleeve pipe is to be provided with a plurality of insulation capacitance bodies of drawing tap; The lower end of insulator is connected with flange, and the top of insulator is connected with conservator; On conservator, be provided with joint, joint is connected with busbar; Be provided with in the periphery of joint be connected with conservator with army cap; In the space of contact tube and the formation of insulator inner chamber, inject insulating oil.
Described sleeve pipe is to be provided with a plurality of insulation capacitance bodies of drawing tap to be meant at outermost layer and to be provided with outer electrode, and inferior skin is provided with time outer electrode, and can draw tap setting interlayer electrode in other aspect respectively as requested.
The insulation capacitance body of described sleeve pipe is made up of dielectric, electrode, forms through reeling or flooding.
Described flange is made up of flange seat, test tap, sealing ring, fuel outlet valve, detection tap device, and the test tap is packed on the flange seat, and fuel outlet valve is arranged on the flange seat; Described test tap is one to be used for the oil sample in the measuring transformer sleeve pipe, the test tap of the field intensity on the shielded tube; Detect the tap device respectively with sleeve pipe on a plurality ofly draw tap and link to each other.
During installation, bushing shell for transformer is installed on the transformer, and is connected with transformer through hold-down bolt.When the insulating oil in the sleeve pipe expanded along with variation of temperature, then insulating oil was done the certain height variation in conservator.Contact tube is provided with shielded tube outward and its objective is that the Electric Field Distribution for the homogenizing contact tube is provided with; Flange is provided with the test tap and its objective is for the ease of the electric field of test around the shielded tube and be provided with; The detection tap device that is provided with on the flange its objective is to be convenient to the tap of drawing on the sleeve pipe is linked to each other and is provided with; Detection tap device links to each other with checkout gear and can obtain the small-power power of certain voltage, and in the outermost layer electrode grounding, can also detect between two electrodes, and is grounded protection; Can detect the reliability of outermost layer electrode grounding in real time; Guarantee the insulation property of capacitance core, and detected signal in the line detector outside, can reach the purpose that in time notes abnormalities and take measures.
The utility model has the advantages that: owing on sleeve pipe, be provided with a plurality of taps of drawing, and link to each other with checkout gear, make that whole testing process is more reliable; Owing to draw tap respectively with time outer electrode from the outermost layer electrode of sleeve pipe, just can obtain the small-power power of certain voltage during through equipment operation between two-plate, to checkout gear power supply is provided; Because conservator is provided with the lubricating cup inspection hole, thereby made things convenient for the insulating oil in the sleeve pipe is observed; Because flange is provided with the test tap, thereby has made things convenient for test; Owing to be provided with fuel outlet valve, thereby can extract oil sample easily, the insulating oil performance in the monitoring sleeve; Because being connected between test tap and the flange seat is reliable, compact, thereby has made things convenient for performance test; Owing to be provided with grounding base in the test tap, thereby make integral ground convenient; Owing to rational in infrastructure, convenient test, dependable performance, so very big practical and popularizing value is arranged.
Description of drawings
Below will combine accompanying drawing that the utility model is further described:
Accompanying drawing 1 is the structural representation of a kind of bushing shell for transformer of the utility model;
Accompanying drawing 2 is sleeve pipe partial structurtes sketch mapes of a kind of bushing shell for transformer;
Accompanying drawing 3 is partial structurtes sketch mapes of a kind of flange seat part of bushing shell for transformer.
Embodiment
With reference to accompanying drawing 1, accompanying drawing 2, with reference to accompanying drawing 3; A kind of bushing shell for transformer of the utility model; It is fixed with shielded tube 8 by busbar 1, army cap 2, joint 3, conservator 4, sleeve pipe 5, insulator 6, flange 7, shielded tube 8, insulating cylinder 9, voltage equalizing ball 10, contact tube 11 are formed on flange 7; Be provided with voltage equalizing ball 10 in the bottom of shielded tube 8; In the inner chamber of shielded tube 8, be fitted with contact tube 11; Outer race at contact tube 11 is equipped with sleeve pipe 5, in sleeve pipe 5 outer race insulator 6 is housed, and the insulation capacitance body of described sleeve pipe 5 is made up of dielectric, electrode, forms through reeling or soaking; Described sleeve pipe 5 is for being provided with a plurality of insulation capacitance bodies of drawing tap; Described sleeve pipe 5 is meant at outermost layer and is provided with outer electrode 51 for being provided with a plurality of insulation capacitance bodies of drawing tap; Inferior skin is provided with time outer electrode 52; And can draw tap setting interlayer electrode in other aspect respectively as requested, and 5 of sleeve pipes of this enforcement are provided with outer electrode 51 at outermost layer, and inferior skin is provided with time outer electrode 52; The lower end of insulator 6 is connected with flange 7; The top of insulator 6 is connected with conservator 4; Described flange 7 is made up of flange seat 71, test tap 72, sealing ring 73, fuel outlet valve 74, detection tap device 75, and test tap 72 is packed on the flange seat 71, and fuel outlet valve 74 is arranged on the flange seat 71; Described test tap 72 is one to be used for the oil sample in the measuring transformer sleeve pipe, the test tap of the field intensity on the shielded tube; Detect tap device 75 respectively with sleeve pipe 5 on a plurality ofly draw tap and link to each other; On conservator 4, be provided with joint 3, joint 3 is connected with busbar 1; Be provided with in the periphery of joint 3 be connected with conservator 4 with army cap 2; In the space that contact tube 11 and insulator 6 inner chambers form, inject insulating oil.
Claims (4)
1. bushing shell for transformer; It is fixed with shielded tube (8) by busbar (1), army cap (2), joint (3), conservator (4), sleeve pipe (5), insulator (6), flange (7), shielded tube (8), insulating cylinder (9), voltage equalizing ball (10), contact tube (11) are formed on flange (7); Be provided with voltage equalizing ball (10) in the bottom of shielded tube (8); In the inner chamber of shielded tube (8), be fitted with contact tube (11); Outer race at contact tube (11) is equipped with sleeve pipe (5), in sleeve pipe (5) outer race insulator (6) is housed, and it is characterized in that: described sleeve pipe (5) is for being provided with a plurality of insulation capacitance bodies of drawing tap; The lower end of insulator (6) is connected with flange (7), and the top of insulator (6) is connected with conservator (4); On conservator (4), be provided with joint (3), joint (3) is connected with busbar (1); Be provided with in the periphery of joint (3) be connected with conservator (4) with army cap (2); In the space that contact tube (11) and insulator (6) inner chamber form, inject insulating oil.
2. a kind of bushing shell for transformer according to claim 1; It is characterized in that: described sleeve pipe (5) is meant at outermost layer and is provided with outer electrode (51) for being provided with a plurality of insulation capacitance bodies of drawing tap; Inferior skin is provided with time outer electrode (52), and can draw tap setting interlayer electrode in other aspect respectively as requested.
3. a kind of bushing shell for transformer according to claim 1 and 2 is characterized in that: the insulation capacitance body of described sleeve pipe (5) is made up of dielectric, electrode, forms through reeling or flooding.
4. a kind of bushing shell for transformer according to claim 1; It is characterized in that: described flange (7) is made up of flange seat (71), test tap (72), sealing ring (73), fuel outlet valve (74), detection tap device (75); Test tap (72) is packed on the flange seat (71), and fuel outlet valve (74) is arranged on the flange seat (71); Described test tap (72) is one to be used for the oil sample in the measuring transformer sleeve pipe, the test tap of the field intensity on the shielded tube; Detect tap device (75) respectively with sleeve pipe (5) on a plurality ofly draw tap and link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204260438U CN202282231U (en) | 2011-11-01 | 2011-11-01 | Transformer bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204260438U CN202282231U (en) | 2011-11-01 | 2011-11-01 | Transformer bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202282231U true CN202282231U (en) | 2012-06-20 |
Family
ID=46228388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204260438U Expired - Fee Related CN202282231U (en) | 2011-11-01 | 2011-11-01 | Transformer bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202282231U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093943A (en) * | 2011-11-01 | 2013-05-08 | 江苏思源赫兹互感器有限公司 | Transformer bushing |
| CN107481848A (en) * | 2017-08-08 | 2017-12-15 | 江苏智达高压电气有限公司 | A kind of new structure gas-insulated transformer sleeve pipe |
| CN110033933A (en) * | 2019-04-26 | 2019-07-19 | 江苏神马电力股份有限公司 | A kind of preparation method of bushing shell for transformer and bushing shell for transformer |
| WO2020199943A1 (en) * | 2019-04-01 | 2020-10-08 | 江苏神马电力股份有限公司 | Transformer bushing |
| RU2787844C1 (en) * | 2019-04-01 | 2023-01-13 | Цзянсу Шимер Электрик Ко., Лтд. | Transformer bushing |
-
2011
- 2011-11-01 CN CN2011204260438U patent/CN202282231U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093943A (en) * | 2011-11-01 | 2013-05-08 | 江苏思源赫兹互感器有限公司 | Transformer bushing |
| CN107481848A (en) * | 2017-08-08 | 2017-12-15 | 江苏智达高压电气有限公司 | A kind of new structure gas-insulated transformer sleeve pipe |
| WO2020199943A1 (en) * | 2019-04-01 | 2020-10-08 | 江苏神马电力股份有限公司 | Transformer bushing |
| RU2787844C1 (en) * | 2019-04-01 | 2023-01-13 | Цзянсу Шимер Электрик Ко., Лтд. | Transformer bushing |
| CN110033933A (en) * | 2019-04-26 | 2019-07-19 | 江苏神马电力股份有限公司 | A kind of preparation method of bushing shell for transformer and bushing shell for transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20161101 |