CN205319018U - Low pressure generating line type split type current transformer - Google Patents
Low pressure generating line type split type current transformer Download PDFInfo
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- CN205319018U CN205319018U CN201620009443.1U CN201620009443U CN205319018U CN 205319018 U CN205319018 U CN 205319018U CN 201620009443 U CN201620009443 U CN 201620009443U CN 205319018 U CN205319018 U CN 205319018U
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Abstract
The utility model provides a low pressure generating line type split type current transformer, including two half circle ring mutual -inductor casings, it is equipped with the half circle ring iron core to correspond in two half circle ring mutual -inductor casings, two half circle ring mutual -inductor casing one sides are articulated each other, the opposite side of two half circle ring mutual -inductor casings is connected through the connecting device that opens and shuts fast, bottom at two half circle ring mutual -inductor casings is equipped with the spring holder, be equipped with the spring in the spring holder, the spring top is on the winding of half circle ring iron core bottom, during two half circle ring mutual -inductor casing looks locks, the spring enables the closely laminating of half circle ring iron core group, the output of winding directly passes the mutual -inductor casing through the lead wire and draws forth. The utility model discloses very easily in the installation, dismantle and maintain that the closely laminating of half circle ring iron core group has been guaranteed to the spring, it is a very simple and convenient mounting means to have improved measurement accuracy, reduction installation time that can be very big raises the efficiency and the security performance, it has good anti -electricity -theft performance.
Description
Technical field
This utility model belongs to electric device, particularly to a kind of open-close type current transformer.
Background technology
Low pressure open-close type current transformer is to be directly installed on busbar, when punching one circle, meets the transformer of the precision of metering level needs. Low pressure open-close type metering bus style current transformer is generally used for industry measurement, and rated operational voltage is generally 0.66kV, can support the use with charging electric meter, it is desirable to accurate measurement is reliable. Low pressure open-close type metering bus style current transformer mainly includes open-close type iron core, and iron core is wound with Secondary Winding, and iron core and Secondary Winding are through being assembled integrally with shell.
At present, the housing main body central authorities of low pressure open-close type bus style current transformer are busbar perforating, and busbar perforating is generally 62mm to 132mm. Owing to modal iron core adopts annular core, it adopts stalloy as permeability magnetic material, and in order to ensure the high accuracy of transformer, the seam of its annular core is the smaller the better. Owing in order to keep high accuracy, annular core is not folding, when causing installing, it is necessary to be first enclosed within busbar by transformer, then installing busbar connection, otherwise, transformer cannot be installed. Meanwhile, when transformer needs to change, it is also necessary to pull down busbar, after changing transformer, reinstall busbar again, cause changing the chronic of needs, and waste of material is very big, wastes time and energy. The open-close type current transformer that prior art uses has two kinds, and a kind of employing stainless steel band is tied up, and rustless steel is with six slotted holes, and there is pivot pin at two, and has a through hole, a screw, is furnished with bolt, installs and takes out tight or dismounting when safeguarding; Another, at two ends, folding position, add draw-in groove, and screw is worn in centre, is bolted, it is achieved the reliable occlusion of two parts transformer. Both Installation Modes, when all there is dismounting, installation, steel band wants split or the problem of Bolt dismantling with transformer, in-convenience in use, dangerous. After additionally two iron cores of open-close type current transformer fasten, often occur that laminating is not tight, affect mutual inductor measuring accuracy of measurement. Also having the compensation adopting elastic sheet as iron core gap, find its weak effect in actual application, elastic sheet easily lost efficacy, and causes two iron core Guan Bis imperfect, affects it and normally measure. Meanwhile, existing open-close type current transformer adopts terminal deriving structure, its anti-electricity-theft poor performance.
Summary of the invention
The shortcoming that the present invention be directed to above-mentioned existence, it is provided that a kind of dismounting, installation open-close type current transformer extremely easily, its iron core section coincide intact, and certainty of measurement is high, and has anti-stealing electricity function.
This utility model solves the technical problem that and be the technical scheme is that
A kind of low-voltage bus bar type open-close type current transformer, including two semi-circular shape transformer housings 1, it is correspondingly provided with semi-circular shape iron core 6 in two semi-circular shape transformer housings 1, it is characterized in that two semi-circular shape transformer housing 1 sides are hinged, the opposite side of two semi-circular shape transformer housings 1 is connected by quickly opening and closing connecting device, quickly opening and closing connecting device includes buckle 2 and projection 3, buckle 2 is provided with button mouth 21, buckle 2 is located on semi-circular shape transformer housing 1 therein, projection 3 is located on second half semi-circular shape transformer housing 1 corresponding with buckle 2, the button mouth 21 of buckle 2 can be pressed into projection 3, two semi-circular shape iron cores 6 are all wound with winding 7, it is provided with spring base 9 in the bottom of two semi-circular shape transformer housings 1, spring 8 it is provided with in spring base 9, spring 8 withstands on the winding 7 bottom semi-circular shape iron core 6, when two semi-circular shape transformer housings 1 are interlocked, above-mentioned spring 8 can make semi-circular shape iron core 6 groups fit tightly, the gap that the hinged place of two semi-circular shape transformer housings 1 is communicated with, winding 7 on two semi-circular shape iron cores 6 is connected by its gap, the outfan of winding 7 is drawn through transformer housing 1 either directly through lead-in wire 5.
During use, as long as lifting buckle, disengaging from projection, transformer just can be opened, and is enclosed within cable by transformer, again closes, the button mouth split press-in projection 3, and with regard to installation, dismounting, installation are extremely convenient. The technical program structure, both ensure that iron core section coincide intact, is extremely easy to again install, dismantle and safeguard, is a kind of very easy mounting means, it is possible to be significantly reduced the set-up time, improves efficiency and security performance. Additionally, owing to being provided with spring base in the bottom of two semi-circular shape transformer housings, spring it is provided with in spring base, spring top is on the winding of semi-circular shape iron core upper bottom portion, when two semi-circular shape transformer housings are interlocked, spring ensure that semi-circular shape iron core group fits tightly, and iron core section coincide intact, two iron core Guan Bis are complete, improve certainty of measurement. Adopting the structure being provided with spring in spring base, its location is reliable, and spring is pressed on winding, it is not easy to lost efficacy. The outfan of winding is drawn through transformer housing either directly through lead-in wire, it is ensured that its anti-electricity-theft performance.
When being embodied as, buckle 2 and projection 3 are provided with left and right two rows, and the position of left and right buckle 2 and projection 3 is contrary. Adopting the double buckle split, it firmly installs, and does not affect installation and removal simultaneously.
The beneficial effects of the utility model are: this utility model is extremely easy to install, dismantle and safeguard, spring ensure that semi-circular shape iron core group fits tightly, improve certainty of measurement is a kind of very easy mounting means, the set-up time can greatly be reduced, improving efficiency and security performance, it has good anti-electricity-theft performance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, invention is further illustrated.
Fig. 1 is this utility model example structure schematic diagram.
The contour structures schematic diagram of Fig. 2 this utility model embodiment.
Fig. 3 is this utility model embodiment side-looking structural representation.
In figure: 1, housing 2, buckle 3, projection 4, rotating shaft 5, lead-in wire 6, iron core 7, winding 8, spring 9, spring base 21, buckle mouth.
Detailed description of the invention
In Fig. 1 to Fig. 3, a kind of low-voltage bus bar type open-close type current transformer, including two semi-circular shape transformer housings 1, it is correspondingly provided with semi-circular shape iron core 6 in two semi-circular shape transformer housings 1, it is characterized in that side, two semi-circular shape transformer housing 1 sides is hinged by rotating shaft 3, the opposite side of two semi-circular shape transformer housings 1 is connected by quickly opening and closing connecting device, quickly opening and closing connecting device includes buckle 2 and projection 3, buckle 2 is provided with button mouth 21, buckle 2 is located on semi-circular shape transformer housing 1 therein, projection 3 is located on second half semi-circular shape transformer housing 1 corresponding with buckle 2, the button mouth 21 of buckle 2 can be pressed into projection 3, buckle 2 and projection 3 are provided with left and right two rows, the position of left and right buckle 2 and projection 3 is contrary.Adopt the double buckle 2 split, it firmly installs, do not affect installation and removal simultaneously, two semi-circular shape iron cores 6 are all wound with winding 7, it is provided with spring base 9 in the bottom of two semi-circular shape transformer housings 1, spring 8 it is provided with in spring base 9, spring 8 withstands on the winding 7 of semi-circular shape iron core 6 upper bottom portion, when two semi-circular shape transformer housings 1 are interlocked, above-mentioned spring 8 can make semi-circular shape iron core 6 groups fit tightly, the gap that the hinged place of two semi-circular shape transformer housings 1 is communicated with, winding 7 on two semi-circular shape iron cores 6 is connected by its gap, the outfan of winding 7 is drawn through transformer housing 1 either directly through lead-in wire 5.
During use, as long as lifting buckle 2, disengaging from projection 3, transformer just can be opened, and is enclosed within cable by transformer, again closes, and the button mouth 21 split is pressed into projection 3, and with regard to installation, dismounting, installation are extremely convenient. The technical program structure, both ensure that iron core 6 section coincide intact, is extremely easy to again install, dismantle and safeguard, is a kind of very easy mounting means, it is possible to be significantly reduced the set-up time, improves efficiency and security performance. Additionally, owing to being provided with spring base in the bottom of two semi-circular shape transformer housings 1, spring it is provided with in spring base, spring top is on the winding 7 of semi-circular shape iron core 6 upper bottom portion, when two semi-circular shape transformer housings 1 are interlocked, spring 8 ensure that semi-circular shape iron core 6 groups fits tightly, and iron core 6 section coincide intact, two iron cores 6 close completely, improve certainty of measurement. Adopting the structure being provided with spring in spring base 9, its location is reliable, and spring is pressed on winding 7, it is not easy to lost efficacy. The outfan of winding is drawn through transformer housing 1 either directly through lead-in wire, it is ensured that its anti-electricity-theft performance.
Claims (2)
1. a low-voltage bus bar type open-close type current transformer, including two semi-circular shape transformer housing (1), it is correspondingly provided with semi-circular shape iron core (6) in two semi-circular shape transformer housing (1), it is characterized in that two semi-circular shape transformer housing (1) sides are hinged, the opposite side of two semi-circular shape transformer housing (1) is connected by quickly opening and closing connecting device, quickly opening and closing connecting device includes buckle (2) and projection (3), buckle (2) is provided with button mouth (21), buckle (2) is located on semi-circular shape transformer housing (1) therein, projection (3) is located in second half semi-circular shape transformer housing (1) corresponding with buckle (2), the button mouth (21) of buckle (2) can be pressed into projection (3), two semi-circular shape iron cores (6) are all wound with winding (7), it is provided with spring base (9) in the bottom of two semi-circular shape transformer housing (1), spring (8) it is provided with in spring base (9), spring (8) withstands on the winding (7) of semi-circular shape iron core (6) bottom, when two semi-circular shape transformer housing (1) are interlocked, above-mentioned spring (8) can make semi-circular shape iron core (6) group fit tightly, the gap that the hinged place of two semi-circular shape transformer housing (1) is communicated with, winding (7) on two semi-circular shape iron cores (6) is connected by its gap, the outfan of winding (7) is drawn through transformer housing (1) either directly through lead-in wire (5).
2. a kind of low-voltage bus bar type open-close type current transformer according to claim 1, is characterized in that buckle (2) and projection (3) are provided with left and right two rows, and the position of left and right buckle (2) and projection (3) is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620009443.1U CN205319018U (en) | 2016-01-06 | 2016-01-06 | Low pressure generating line type split type current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620009443.1U CN205319018U (en) | 2016-01-06 | 2016-01-06 | Low pressure generating line type split type current transformer |
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| Publication Number | Publication Date |
|---|---|
| CN205319018U true CN205319018U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620009443.1U Active CN205319018U (en) | 2016-01-06 | 2016-01-06 | Low pressure generating line type split type current transformer |
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| CN (1) | CN205319018U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107403683A (en) * | 2017-07-29 | 2017-11-28 | 国网江西省电力公司电力科学研究院 | A kind of retractable current transformer using grinding tooth shape open core |
| CN108957094A (en) * | 2018-05-08 | 2018-12-07 | 湖南银河电气有限公司 | A kind of open-close type current sensor and its assemble method based on magnetic modulation |
| CN110470900A (en) * | 2019-09-12 | 2019-11-19 | 和远智能科技股份有限公司 | A kind of passive electricity consumption awareness apparatus and system |
-
2016
- 2016-01-06 CN CN201620009443.1U patent/CN205319018U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107403683A (en) * | 2017-07-29 | 2017-11-28 | 国网江西省电力公司电力科学研究院 | A kind of retractable current transformer using grinding tooth shape open core |
| CN108957094A (en) * | 2018-05-08 | 2018-12-07 | 湖南银河电气有限公司 | A kind of open-close type current sensor and its assemble method based on magnetic modulation |
| CN110470900A (en) * | 2019-09-12 | 2019-11-19 | 和远智能科技股份有限公司 | A kind of passive electricity consumption awareness apparatus and system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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: No. 2, Shanhai Road, Sanhai Cooperation Zone, Jiangshan Economic Development Zone, Quzhou City, Zhejiang Province 324123 Patentee before: ZHEJIANG HORIZON INSTRUMENT TRANSFORMERS Co.,Ltd. |