CN102723187B - Voltage transformer with elbow-type plug - Google Patents
Voltage transformer with elbow-type plug Download PDFInfo
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- CN102723187B CN102723187B CN201210236160.7A CN201210236160A CN102723187B CN 102723187 B CN102723187 B CN 102723187B CN 201210236160 A CN201210236160 A CN 201210236160A CN 102723187 B CN102723187 B CN 102723187B
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- elbow
- pole plate
- voltage transformer
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Abstract
A voltage transformer with an elbow-type plug comprises an elbow-type cable head, a fuse, an epoxide resin cast integrative primary winding, a secondary winding, a fuse holder, and a primary cable socket, wherein the front part of the fuse holder is connected with the primary cable socket; the elbow-type cable head is inserted into a cable socket; the horizontally communicated cavity of the fuse holder is used for accommodating the fuse; a polar plate connected with an embedded piece is arranged in the middle of the cavity of the fuse holder; a bar-shaped hole is formed on the polar plate; the embedded piece is connected with the primary winding; a fixed plate is arranged at one end of the fuse, and a screw hole is formed on the end surface of the fixed plate; the overall dimension of the fixed plate is smaller than the bar-shaped of the polar plate; and the fuse is arranged between the polar plate and the elbow-type cable head, and the fixed plate of the fuse is propped against the polar plate. According to the invention, the fuse can be replaced and installed at the front end and the rear end of the voltage transformer. The use of the transformer on bodies of different switch cabinets is greatly facilitated, the installation is flexible, and miniaturization design of the switch cabinets is also facilitated. The voltage transformer has the advantages of simple operation, and greatly shortened replacement time.
Description
Technical field
The invention belongs to instrument transformer technical field, be specifically related to a kind of voltage transformer.
Background technology
Existing band elbow plug voltage transformer carries high-tension fuse because of instrument transformer itself, and elbow plug adds that voltage high-pressure side can well insulate by high-tension cable.Insulation crust is provided with elbow-type cable end, change the outlet of traditional voltage, and insulation crust is built-in with changeable type fuse, need not install in addition, reduce the space floor space of voltage transformer, therefore, this product is used widely.When the long-play of voltage transformer, due to the fluctuation of electrical network, there will be voltage transformer fuse blows phenomenon, need attendant to change fuse immediately.Due to the reason such as miniaturization of current appliance switch, often occur changing the problems such as fuse trouble.As the structure of modal band elbow plug voltage transformer, the disclosed a kind of band elbow head voltage transformer of Chinese utility model patent ZL200920061401.2, and three-phase elbow socket type voltage transformer disclosed in ZL201020690010.X, in its structural insulation shell, fuse is installed, fuse is electrically connected with coil, insulation crust is provided with elbow-type cable end, and elbow-type cable end is electrically connected with fuse.This structure, when changing fuse, must first unload elbow-type cable end, then just can unload replacing fuse.In a lot of occasion, the front end of elbow-type cable end, there will be switch cabinet body has the accessories such as panel to keep off, and when unloading elbow-type cable end, the accessory kept off must be disassembled, just can change, waste time and energy.Equally, Chinese utility model patent ZL201120245726.3 disclosed band elbow shaped sockets double-fuse voltage transformer, its fusing room is positioned at rear portion, fuse enters from rear portion, then seal up with plug, can not adopt and unload elbow-type cable end to change fuse, still there is above-mentioned defect in its technical scheme.
Summary of the invention
The present invention seeks to one and band elbow plug voltage transformer is provided, fuse is changed except the method for dismounting elbow plug can be adopted, other method can also be adopted to change fuse, to facilitate the use on different switch cabinet body, flexible for installation, be conducive to the Miniaturization Design of switch cubicle, and easy and simple to handle, save a large amount of replacing construction.
The technical scheme that the technical problem that the present invention solves adopts is:
A kind of band elbow plug voltage transformer, comprise a winding of the one of elbow-type cable end, fuse and poured with epoxy resin, secondary winding, fusing seat, a cable socket, the front portion of fusing seat connects a cable socket, elbow-type cable end is inserted on a cable socket, it is characterized in that hold fuse fusing seat cavity before and after through, be provided with the pole plate connecting embedded component in the middle part of fusing seat cavity, pole plate has cylindrical void, and embedded component is connected with a winding; One end of fuse is provided with fixed head, and its end face is provided with screw; Fixed head overall dimension is less than the cylindrical void of pole plate; Fuse is located between pole plate and elbow-type cable end, and the fixed head of fuse withstands on pole plate.The shape that the cylindrical void of pole plate is not fixed, fixed head can enter cylindrical void, and by rotating fuse, the fixed head of fuse can withstand on pole plate.The present invention can adopt two kinds of methods to change fuse, and a kind of method extracts elbow-type cable end, directly changes at a cable socket end; Another method does not need to extract elbow-type cable end, at the right opposite of cable end, change by the mounting bar being provided with spiral shell head and install, the spiral shell head of mounting bar and the end face screw of fuse suitable, mounting bar is entered by the hole of the base rear end that fuses, and the screw of the spiral shell head precession fuse end face of mounting bar, so just can rotate fuse, when the fixed head that fuse turns to can from the cylindrical void of pole plate position out time, mounting bar just can pull out fuse; During replacing, the screw of fuse end face new for the spiral shell head precession of mounting bar, propping up by mounting bar, fuse just can enter, when the fixed head of fuse enters the cylindrical void of pole plate from the hole of fusing base rear end, rotate mounting bar angle, fuse is synchronous axial system also, when fixed head withstands on pole plate, and installation, just can screw off mounting bar, complete installation.The present invention can adopt and realize carrying out changing and installing fuse in voltage transformer rear and front end, overcome the defect that original technology only adopts a kind of method, troublesome problem such as changing insufficient space is there is in easy like this avoiding when installing or change fuse, greatly facilitate the use on different switch cabinet body, flexible for installation, be conducive to the Miniaturization Design of switch cubicle, and easy and simple to handle, save a large amount of replacing construction.
During concrete enforcement, elbow-type cable end insertion end is provided with connector and spring, withstanding on spring without fixed head one end of fuse.
During concrete enforcement, embedded component is provided with internal thread, and pole plate is provided with the external screw thread suitable with embedded component internal thread, and pole plate is tightened in embedded component.
During concrete enforcement, the rear end of fusing seat is provided with plug, the rear end of shutoff fusing seat cavity.Sealing up plug is the insulation property ensureing to improve its inside.
During concrete enforcement, the fixed head shape of fuse is identical with the bar hole shape of pole plate.
The invention has the beneficial effects as follows: the present invention can adopt and realize carrying out changing and installing fuse in voltage transformer rear and front end, greatly facilitate the use on different switch cabinet body, flexible for installation, be conducive to the Miniaturization Design of switch cubicle, and easy and simple to handle, save a large amount of replacing construction.
Embodiment
At Fig. 1, Fig. 2, Fig. 3, in Fig. 4 and Fig. 5, a kind of band elbow plug voltage transformer, comprise elbow-type cable end, the iron core of the integral type of fuse and poured with epoxy resin, a winding, secondary winding, fusing seat 4, a cable socket 8, the front portion of fusing seat 4 connects a cable socket 8, elbow-type cable end 1 is inserted on cable socket 8, elbow-type cable end 1 insertion end is provided with connector 2 and spring 3, through before and after fusing seat 4 cavity 11 of accommodation fuse 5, the pole plate 6 connecting embedded component 9 is provided with in the middle part of the cavity 11 of fusing seat 4, embedded component 9 is provided with internal thread, pole plate 6 is provided with the external screw thread suitable with embedded component 9 internal thread, pole plate 6 is tightened in embedded component 9, pole plate 6 has cylindrical void 61, embedded component 9 is connected with a winding, one end of fuse 5 is provided with fixed head 52, and its end face is provided with screw 51, fixed head 52 profile is identical with the cylindrical void 61 of pole plate 6, and fixed head 52 overall dimension is slightly less than the cylindrical void 61 of pole plate 6, fuse 5 is located between pole plate 6 and elbow-type cable end 1, and one end of fuse 5 withstands on spring 3, and the fixed head 52 of the other one end of fuse 5 withstands on pole plate 6, and the rear end of fusing seat 4 is provided with plug 7, the rear end of shutoff fusing seat cavity.
The present invention can adopt two kinds of methods to change fuse, and a kind of method extracts elbow-type cable end 1, directly changes at cable socket 8 end, another method does not need to extract elbow-type cable end 1, change by the mounting bar 10 being provided with spiral shell head and install, mounting bar 10 adopts nylon rod usually, the spiral shell head of mounting bar 10 and the end face screw 51 of fuse 5 suitable, unload lower end cap 7, mounting bar 10 is entered by the hole of seat 4 rear end that fuses, the screw 51 of spiral shell head precession fuse 5 end face of mounting bar 10, mounting bar 10 is spun on structure on fuse 5 as shown in figure Fig. 5, mounting bar 10 holds out against spring 3 toward in, so just can rotate fuse 5, usual 90-degree rotation, the fixed head 52 that fuse 5 turns to can from cylindrical void 61 position out of pole plate 6, mounting bar 10 just can pull out fuse 5, during replacing, the screw 51 of fuse 5 end face new for the spiral shell head precession of mounting bar 10, fuse 5 just can enter from the hole of fusing seat 4 rear end, when the fixed head 52 of fuse 5 enters the cylindrical void 61 of pole plate 6, mounting bar 10 holds out against spring 3 toward in, rotate mounting bar 10, fuse 5 also rotates, 90-degree rotation, when spring 3 ensures that fixed head 52 holds out against on pole plate 6, installation, just can screw off mounting bar 10, then seal up plug 7, complete installation.The present invention can adopt and realize carrying out changing and install fuse 5 in voltage transformer rear and front end, overcome the defect that original technology only adopts a kind of method, problems such as changing trouble is there is in easy like this avoiding when installing or change fuse 5, greatly facilitate the use on different switch cabinet body, flexible for installation, be conducive to the Miniaturization Design of switch cubicle, and easy and simple to handle, save a large amount of replacing construction.
Finally, it is also to be noted that what enumerate above is only specific embodiments of the invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from disclosed content of the present invention or associate, all should think protection scope of the present invention.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, invention is further illustrated.
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the fuse structure schematic diagram of the embodiment of the present invention.
Fig. 3 is the end view of embodiment of the present invention Fig. 2.
Fig. 4 is the electrode plate structure schematic diagram of the embodiment of the present invention.
Fig. 5 is the structural representation that the mounting bar of the embodiment of the present invention is spun on fuse.
In figure: 1, elbow-type cable end 2, connector 3, spring 4, fusing seat 5, fuse 6, pole plate 7, plug 8, cable socket 9, embedded component 10, mounting bar 11, cavity 51, screw 52, fixed head 61, cylindrical void.
Claims (5)
1. a band elbow plug voltage transformer, comprise a winding of the one of elbow-type cable end, fuse and poured with epoxy resin, secondary winding, fusing seat, a cable socket, the front portion of fusing seat connects a cable socket, elbow-type cable end is inserted on a cable socket, it is characterized in that hold fuse fusing seat cavity before and after through, be provided with the pole plate connecting embedded component in the middle part of fusing seat cavity, pole plate has cylindrical void, and embedded component is connected with a winding; One end of fuse is provided with fixed head, and its end face is provided with screw; Fixed head overall dimension is less than the cylindrical void of pole plate; Fuse is located between pole plate and elbow-type cable end, and the fixed head of fuse withstands on pole plate.
2. one band elbow plug voltage transformer according to claim 1, is characterized in that elbow-type cable end insertion end is provided with connector and spring, withstanding on spring without fixed head one end of fuse.
3. one band elbow plug voltage transformer according to claim 1 and 2, it is characterized in that embedded component is provided with internal thread, pole plate is provided with the external screw thread suitable with embedded component internal thread, and pole plate is tightened in embedded component.
4. one band elbow plug voltage transformer according to claim 1 and 2, is characterized in that the rear end of fusing seat is provided with plug, the rear end of shutoff fusing seat cavity.
5. one band elbow plug voltage transformer according to claim 1 and 2, is characterized in that the fixed head shape of fuse is identical with the bar hole shape of pole plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236160.7A CN102723187B (en) | 2012-07-10 | 2012-07-10 | Voltage transformer with elbow-type plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236160.7A CN102723187B (en) | 2012-07-10 | 2012-07-10 | Voltage transformer with elbow-type plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102723187A CN102723187A (en) | 2012-10-10 |
| CN102723187B true CN102723187B (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210236160.7A Active CN102723187B (en) | 2012-07-10 | 2012-07-10 | Voltage transformer with elbow-type plug |
Country Status (1)
| Country | Link |
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| CN (1) | CN102723187B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240930A (en) * | 2014-09-18 | 2014-12-24 | 江苏科兴电器有限公司 | Special three-phase voltage transformer with protective device for solid ring network cabinet |
| CN106683862B (en) * | 2017-01-23 | 2018-04-17 | 浙江天际互感器有限公司 | A kind of band elbow plug voltage transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0856925A2 (en) * | 1997-01-28 | 1998-08-05 | AEG Sachsenwerk GmbH | Voltage transformer |
| RU2208860C2 (en) * | 2000-11-24 | 2003-07-20 | Открытое акционерное общество "Свердловский завод трансформаторов тока" | Molded potential transformer |
| CN201868222U (en) * | 2010-11-15 | 2011-06-15 | 大连华亿电力电器有限公司 | Cable plug type voltage transformer with fuses |
| CN202034223U (en) * | 2011-03-08 | 2011-11-09 | 江苏科兴电器有限公司 | Three-phase potential transformer provided with a fuse and a metal case |
| CN202145420U (en) * | 2011-07-12 | 2012-02-15 | 广东四会互感器厂有限公司 | Double-fuse voltage transformer with elbow-shaped sockets |
| CN202695112U (en) * | 2012-07-10 | 2013-01-23 | 浙江天际互感器有限公司 | Voltage transformer with elbowed plug |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6343307A (en) * | 1986-08-11 | 1988-02-24 | Hitachi Ltd | Potential transformer |
| JPH03101204A (en) * | 1989-09-14 | 1991-04-26 | Fuji Electric Co Ltd | Instrument transformer |
-
2012
- 2012-07-10 CN CN201210236160.7A patent/CN102723187B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0856925A2 (en) * | 1997-01-28 | 1998-08-05 | AEG Sachsenwerk GmbH | Voltage transformer |
| RU2208860C2 (en) * | 2000-11-24 | 2003-07-20 | Открытое акционерное общество "Свердловский завод трансформаторов тока" | Molded potential transformer |
| CN201868222U (en) * | 2010-11-15 | 2011-06-15 | 大连华亿电力电器有限公司 | Cable plug type voltage transformer with fuses |
| CN202034223U (en) * | 2011-03-08 | 2011-11-09 | 江苏科兴电器有限公司 | Three-phase potential transformer provided with a fuse and a metal case |
| CN202145420U (en) * | 2011-07-12 | 2012-02-15 | 广东四会互感器厂有限公司 | Double-fuse voltage transformer with elbow-shaped sockets |
| CN202695112U (en) * | 2012-07-10 | 2013-01-23 | 浙江天际互感器有限公司 | Voltage transformer with elbowed plug |
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| CN102723187A (en) | 2012-10-10 |
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Address after: No. 8, Jingtian Road, Jiangshan Economic Development Zone, Jiangshan City, Quzhou City, Zhejiang Province 324102 Patentee after: Zhejiang Tianji Instrument Transformer Co.,Ltd. Address before: 324123 No.1 Xinggong 3rd Road, Jiangdong District, Jiangshan Economic Development Zone, Quzhou, Zhejiang Patentee before: ZHEJIANG HORIZON INSTRUMENT TRANSFORMERS Co.,Ltd. |