CN201514850U - Current transformer - Google Patents
Current transformer Download PDFInfo
- Publication number
- CN201514850U CN201514850U CN2009201092931U CN200920109293U CN201514850U CN 201514850 U CN201514850 U CN 201514850U CN 2009201092931 U CN2009201092931 U CN 2009201092931U CN 200920109293 U CN200920109293 U CN 200920109293U CN 201514850 U CN201514850 U CN 201514850U
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- current transformer
- core body
- transformer according
- millimeters
- shell
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Abstract
The utility model discloses a current transformer which comprises an iron core, coils, a shielding layer and a housing, wherein the iron core comprises two core body parts, a flaky laminated plug-in structure is arranged between the end parts of the two core body parts, the cross section of the iron core is ellipse-like, the coils are respectively wound on the outer part of each core body part, the housing comprises two half housings, and each half housing is surrounded on the outer part of each core body part. The adoption of the technical scheme can not only extract current signals with high precision, but also be very convenient to manufacture, use and install.
Description
Technical field
The utility model relates to electromagnetic technology field, relates in particular to a kind of current transformer.
Background technology
Adopt instrument transformer to extract current signal, be a kind of simple and efficient technology and method in hyundai electronics and the electromagnetic technology field, but because selecting for use of the project organization of instrument transformer and material is reasonable inadequately, and then it is lower to cause measuring sensitivity, and make trouble and use inconvenience, particularly Chang Yong circular instrument transformer is extremely difficult to applying mechanically two cables.Really need to propose all current transformers eaily of a kind of certainty of measurement height, manufacturing and use at present.
The utility model content
The purpose of this utility model is to propose a kind of current transformer, can extract the current with high accuracy signal, and can be widely used in measuring in the equipment of the signal of telecommunication.
For reaching this purpose, the utility model by the following technical solutions:
A kind of current transformer comprises iron core, coil, screen and shell, and the cross section of described iron core is the class ellipse, and the minor face internal diameter is 20 millimeters to 80 millimeters, and long limit internal diameter is 40 millimeters to 120 millimeters.
Described iron core comprises two core body spares, is that the sheet lamination is to inserting structure between the end of two core body spares.
Each core body spare is half class ellipse, is formed by the staggered stack of 8 to 10 chips.
Described chip is 0.5 millimeter a magnetic piece.
Each core body spare outside is wound with 1000 circle coils.
Shell comprises two half-shells, and each half-shells is enclosed in each core body spare outside.
Short-circuit piece is set on the shell, is used to connect the coil of two core body spares.
The external connection terminal is set on the shell, is used to send current signal.
Adopted the technical solution of the utility model, not only can extract the current with high accuracy signal, had good anti-electromagnetic interference capability, and used and install also very convenient.
Description of drawings
Fig. 1 is the utility model embodiment chips profile schematic diagram.
Fig. 2 is the utility model embodiment chips stack end construction front view.
Fig. 3 is a core body spare end construction schematic diagram in the utility model embodiment.
Fig. 4 is a current transformer external structure schematic diagram in the utility model embodiment.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
The utility model is based on the problem that prior art exists, and carries out the oval-shaped current transformer of improved class, and manufacturing and use are installed greatly easy.
Fig. 1 is the utility model embodiment chips profile schematic diagram.Fig. 2 is the utility model embodiment chips stack end construction front view.As depicted in figs. 1 and 2, chip 201, chip 202 are the contour structures of two stack adjacent chips, and its end length is interlaced with each other.
Fig. 3 is a core body spare end construction schematic diagram in the utility model embodiment, as shown in Figure 3, chip 201, chip 202 stack backs become core body spare, and lamination is to inserting structure in the form of sheets in two core body spare ends, and the core body spare of two correspondences forms a complete iron core.
Fig. 4 is a current transformer external structure schematic diagram in the utility model embodiment.As shown in Figure 4, comprise short-circuit piece 401, outside line connecting terminal 402, shell 403, shell mechanism is snugly comprising iron core, is docked fully by the left and right two and half shells part of correspondence to constitute, and shell the first half is connected by short-circuit piece, and the bottom is the external connection terminal.
Iron core of the present utility model adopts particular structure form and good magnetic material to process, cross section unshakable in one's determination is the class ellipse, be shaped as two semiellipse annulars, two ends is slightly widened, it comprises two core body spares, each core body spare is half class ellipse, form by the staggered stack of 8 to 10 0.5 millimeter magnetic chip, between the end of two core body spares after the stack in the form of sheets lamination to inserting structure, form class oval shaped core body structure to inserting during assembling, unique design and technology have guaranteed tight coincideing unshakable in one's determination.
Two core body spare outsides are wound with 1000 circle coils respectively, and two coils connect by the short-circuit piece on the shell.Minor face according to purposes needs current transformer internal diameter is set to 20 millimeters to 80 millimeters, and long limit is set to 40 millimeters to 120 millimeters.
The external connection terminal is used to send current signal, and high precision current transformer can extract the small-signal of mA level, also can guarantee its certainty of measurement to large-signal.
The utility model belongs to the product of electromagnetic technology field, is high precision current transformer, is mainly used in the extraction current signal, is specially adapted to the measurement of small-signal, has good anti-electromagnetic interference capability, is widely used in the various device of measuring the signal of telecommunication.
The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (8)
1. a current transformer comprises iron core, coil, screen and shell, it is characterized in that, the cross section of described iron core is the class ellipse, and the minor face internal diameter is 20 millimeters to 80 millimeters, and long limit internal diameter is 40 millimeters to 120 millimeters.
2. a kind of current transformer according to claim 1 is characterized in that, described iron core comprises two core body spares, is that the sheet lamination is to inserting structure between the end of two core body spares.
3. a kind of current transformer according to claim 2 is characterized in that, each core body spare is half class ellipse, is formed by the staggered stack of 8 to 10 chips.
4. a kind of current transformer according to claim 3 is characterized in that, described chip is 0.5 millimeter a magnetic piece.
5. a kind of current transformer according to claim 2 is characterized in that, each core body spare outside is wound with 1000 circle coils.
6. a kind of current transformer according to claim 2 is characterized in that, shell comprises two half-shells, and each half-shells is enclosed in each core body spare outside.
7. a kind of current transformer according to claim 5 is characterized in that, short-circuit piece is set on the shell, is used to connect the coil of two core body spares.
8. a kind of current transformer according to claim 1 is characterized in that, external terminal is set on the shell, is used to send current signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201092931U CN201514850U (en) | 2009-06-23 | 2009-06-23 | Current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201092931U CN201514850U (en) | 2009-06-23 | 2009-06-23 | Current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514850U true CN201514850U (en) | 2010-06-23 |
Family
ID=42486261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201092931U Expired - Lifetime CN201514850U (en) | 2009-06-23 | 2009-06-23 | Current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201514850U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907652A (en) * | 2010-06-25 | 2010-12-08 | 中国电力科学研究院 | Damping circuit current measuring device of high-voltage direct-current power transmission thyristor |
| CN101907651A (en) * | 2010-06-25 | 2010-12-08 | 中国电力科学研究院 | Main circuit current measuring device for high-voltage DC transmission converter valve |
| CN102709035A (en) * | 2012-05-21 | 2012-10-03 | 中国电力科学研究院 | Energy-saving transformer with self-adaptation function |
| CN109215966A (en) * | 2017-07-04 | 2019-01-15 | 发那科株式会社 | reactor |
| CN112768214A (en) * | 2020-12-24 | 2021-05-07 | 江金北(北京)自动化技术有限公司 | Small-size current transformer iron core structure for protection |
-
2009
- 2009-06-23 CN CN2009201092931U patent/CN201514850U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907652A (en) * | 2010-06-25 | 2010-12-08 | 中国电力科学研究院 | Damping circuit current measuring device of high-voltage direct-current power transmission thyristor |
| CN101907651A (en) * | 2010-06-25 | 2010-12-08 | 中国电力科学研究院 | Main circuit current measuring device for high-voltage DC transmission converter valve |
| CN101907652B (en) * | 2010-06-25 | 2014-03-12 | 中国电力科学研究院 | Damping circuit current measuring device of high-voltage direct-current power transmission thyristor |
| CN101907651B (en) * | 2010-06-25 | 2014-03-12 | 中国电力科学研究院 | Main circuit current measuring device for high-voltage DC transmission converter valve |
| CN102709035A (en) * | 2012-05-21 | 2012-10-03 | 中国电力科学研究院 | Energy-saving transformer with self-adaptation function |
| CN102709035B (en) * | 2012-05-21 | 2015-04-29 | 中国电力科学研究院 | Energy-saving transformer with self-adaptation function |
| CN109215966A (en) * | 2017-07-04 | 2019-01-15 | 发那科株式会社 | reactor |
| US10643779B2 (en) | 2017-07-04 | 2020-05-05 | Fanuc Corporation | Reactor having outer peripheral iron core and iron core coils |
| CN112768214A (en) * | 2020-12-24 | 2021-05-07 | 江金北(北京)自动化技术有限公司 | Small-size current transformer iron core structure for protection |
| CN112768214B (en) * | 2020-12-24 | 2023-02-24 | 江金北(北京)自动化技术有限公司 | Small-size current transformer iron core structure for protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING HANGTIAN CHANGXING TECHNOLOGY CO., LTD Free format text: FORMER OWNER: WANG DEKUN Effective date: 20100722 Owner name: CHANGXING SCIENCE AND TECHNOLOGY DEVELOPMENT CO., |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100000 NO.7, UNIT 2, BUILDING 1, NO.19, CHEDAOGOU, HAIDIAN DISTRICT, BEIJING TO: 102600 ROOM 09, 16/F, NO.27, BINHE STREET, HUANGCUN TOWN, DAXING DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100722 Address after: 102600, room 09, 16 floor, 27 Binhe street, Huangcun Town, Beijing, Daxing District Co-patentee after: Changxing Science and Technology Development Co., Ltd. Beijing Space Patentee after: Beijing Aerospace Changxing Technology Co., Ltd. Address before: 100000, No. 1, No. 2, gate 19, Lane 7, Lane Hospital, Beijing, Haidian District Patentee before: Wang Dekun |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100623 |