CN104078225A - Transformer - Google Patents

Transformer Download PDF

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Publication number
CN104078225A
CN104078225A CN201410182595.7A CN201410182595A CN104078225A CN 104078225 A CN104078225 A CN 104078225A CN 201410182595 A CN201410182595 A CN 201410182595A CN 104078225 A CN104078225 A CN 104078225A
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CN
China
Prior art keywords
coils
winding section
connecting portion
wire connecting
bonnet
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.)
Granted
Application number
CN201410182595.7A
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Chinese (zh)
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CN104078225B (en
Inventor
陈新柱
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Zhejiang Zhi Lu Electric Applicance Co Ltd
Original Assignee
Zhejiang Zhi Lu Electric Applicance Co Ltd
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Filing date
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Application filed by Zhejiang Zhi Lu Electric Applicance Co Ltd filed Critical Zhejiang Zhi Lu Electric Applicance Co Ltd
Priority to CN201410182595.7A priority Critical patent/CN104078225B/en
Publication of CN104078225A publication Critical patent/CN104078225A/en
Application granted granted Critical
Publication of CN104078225B publication Critical patent/CN104078225B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a transformer. The transformer comprises a casing; two coils are arranged in the casing; the casing is provided with a wiring part; each coil comprises a fixed portion and a winding portion; the cross section of each winding portion is in a rectangular shape; the two fixed portions of the two coils are in abutting joint with each other; an empty chamber is formed between the two winding portions; the wiring part comprises a conduction portion and two wiring portions, wherein the conduction portion and the two wiring portions are integrally arranged; the conduction portion is located between the two wiring portions and arranged in the empty chamber formed between the winding portions of the two coils; the two wiring portions extend to the outside of the casing. According to the transformer, the conduction portion and the two wiring portions are integrally arranged and accordingly the assembly is convenient and meanwhile the heat dissipation effect is improved.

Description

Instrument transformer
Technical field
The present invention relates to a kind of instrument transformer.
Background technology
Instrument transformer is the general designation of current transformer and voltage transformer; instrument transformer be high voltage can be become to low-voltage, large electric current becomes little electric current; for measuring or protection system; its function is mainly that high voltage or large electric current scaling transformation are become to standard low-voltage or the little electric current of standard; to realize standardization, the miniaturization of measuring instrument, protection equipment and automatic control equipment; instrument transformer also can be used to separate high-voltage system simultaneously, to ensure the safety of the person and equipment.
The wiring part of instrument transformer is generally used for accessing outside electric current or voltage, described wiring part has generally included connecting portion b and wire connecting portion a, in prior art, connecting portion b and two wire connecting portion a are split setting, two wire connecting portion a are positioned at two ends, centre is welded to connect by connecting portion b, so not only need extra assembly process, and this structure radiating effect is poor.
Summary of the invention
The deficiency existing for prior art, the object of the present invention is to provide a kind of conductive part and two instrument transformers that wire connecting portion is wholely set, and has improved radiating effect time convenient for assembly.
For achieving the above object, the invention provides following technical scheme: a kind of instrument transformer, comprise housing, in described housing, be provided with coil, on described housing, be also provided with wiring part, described coil includes fixed part and winding section, the setting of being rectangle of the cross section of described winding section, the quantity of described coil is two, between the mutual butt of fixed part of described two coils and described winding section, is formed with cavity;
Described wiring part includes the conducting portion and two wire connecting portion that are wholely set, and described conducting portion is arranged in the cavity forming between the winding section of two coils, and described two wire connecting portion extend to respectively outside.
By adopting technique scheme, the conducting portion being wholely set and two wire connecting portion, without being welded and fixed, be directly installed on the installation place for its setting in housing, and the wiring part being wholely set can improve radiating effect.
The present invention is further set to: described conducting portion and two wire connecting portion are at least set to two-layer ladder.
By adopting technique scheme, between two wire connecting portion and conducting portion, form alternate position spike, facilitate wiring, and by the stair-stepping surface area that has increased wiring part entirety that arranges, improved radiating effect.
The present invention is further set to: described housing includes protecgulum and bonnet, described protecgulum and bonnet are provided with the groove of placing for conducting portion in winding section place, the edge of described groove is provided with rectangular flange towards enclosure interior, and two relative end faces of rectangular flange of described protecgulum and bonnet are conflicted mutually.
By adopting technique scheme, between described protecgulum and bonnet, be provided with rectangular flange, by two coils, in winding section, punishment separates, between rectangular flange internal face, form a separate space of placing for conducting portion, prevent that wiring part from touching with two coils in installation process, causes that circuit burns.
The present invention is further set to: on the fixed part of described two coils, be provided with breach, described fixed part is provided with in cabling portion and described cabling portion and offers through hole in indentation, there.
By adopting technique scheme, the end that is wound on the connecting line on winding section is stuck in breach, then connect through through hole, ensure the neat stable of internal wiring.
Brief description of the drawings
Fig. 1 is the blast structural representation of instrument transformer embodiment of the present invention;
Fig. 2 is the overall structure schematic diagram of instrument transformer embodiment of the present invention;
Fig. 3 is the background technology assembly structure schematic diagram of instrument transformer embodiment of the present invention.
Embodiment
Referring to figs. 1 through Fig. 3, instrument transformer embodiment of the present invention is described further.
A kind of instrument transformer, comprise housing 6, in described housing 6, be provided with coil 2, on described housing 6, be also provided with wiring part 4, described coil 2 includes fixed part 22 and winding section 21, the setting of being rectangle of the cross section of described winding section 21, the quantity of described coil 2 is two, between described two winding sections 21, is formed with cavity;
Described wiring part 4 includes the conducting portion 42 and two wire connecting portion 41 that are wholely set, and described conducting portion 42 is arranged in the cavity forming between the winding section 21 of two coils 2, and described two wire connecting portion 41 extend to respectively housing 6 outsides.
By adopting technique scheme, the conducting portion 42 being wholely set and two wire connecting portion 41, without being welded and fixed, be directly installed on the installation place for its setting in housing 6, and the wiring part 4 being wholely set can improve radiating effect.
Also need should be mentioned that herein, the size of the fixed part 22 of coil 2 is greater than the size of winding section 21, described fixed part 22 is arranged at respectively two ends of winding section 21, between such two fixed parts 22 and winding section 21, be formed with the space for connecting line coiling, and the setting of being rectangle of the cross section of described winding section 21, change greatly in the past round-shaped, reduce wire winding, reduce scrappage, saved production material.
Described conducting portion 42 and two wire connecting portion 41 are at least set to two-layer ladder.
By adopting technique scheme, between two wire connecting portion 41 and conducting portion 42, form alternate position spike, facilitate wiring, and by the stair-stepping surface area that has increased wiring part 4 entirety that arranges, improved radiating effect.
Need herein explanation, described wiring part 4 is preferably provided with three layers of ladder, described conducting portion 42 is positioned at second layer ladder, whole wiring part 4 area of dissipations in easy as much as possible production technology, are increased to greatest extent like this, improve radiating efficiency, and the arranging conveniently of such three layers of ladder, also have optimization function for wiring construction.
Described housing 6 includes protecgulum 1 and bonnet 3, described protecgulum 1 and bonnet 3 are provided with the groove 7 of placing for conducting portion 42 in 21 places, winding section, the edge of described groove 7 is provided with rectangular flange 34 towards housing 6 inside, and two relative end faces of rectangular flange 34 of described protecgulum 1 and bonnet 3 are conflicted mutually.
By adopting technique scheme, between described protecgulum 1 and bonnet 3, be provided with rectangular flange 34, by two coils 2, in winding section, 21 punishment separate, between rectangular flange 34 internal faces, form a separate space of placing for conducting portion 42, prevent that wiring part 4 from touching with two coils 2 in installation process, causes that circuit burns.
It should be noted that herein, described protecgulum 1 and bonnet 3 are provided with evagination part 35 in the position of top and bottom, distance between the size of described evagination part 35 and two fixed parts 22 is identical, described two fixed parts 22 are conflicted mutually with the internal face of evagination part 35, can play like this location of coil 2 when assembling is installed, simplify assembling.
Fillet processing is all done in the edges and corners of described fixed part 22, fillet processing is all done in the inconsistent place of corresponding evagination part 35 and fixed part 22, when need to further mentioning, described rectangular flange 34 is provided with fillet with the junction of protecgulum 1 or bonnet 3, the concave surface 33 of described fillet towards respectively towards the winding section 21 of two coils 2 and the size of the winding section 21 of the size of concave surface 33 and coil 2 suitable, can position for winding section 21 connection wires like this, prevent that the connecting line that coiling completes from deviating from from winding section 21.
On the fixed part 22 of described two coils 2, be provided with breach 23, described fixed part 22 is provided with in cabling portion and described cabling portion and offers through hole 24 in breach 23 places.
By adopting technique scheme, the end that is wound on the connecting line on winding section 21 is stuck in breach 23, then connect through through hole 24, ensure the neat stable of internal wiring.
Between protecgulum 1 of the present invention and bonnet 3, adopt the fixed form of buckle 12 to be fixed, and described bonnet 3 is provided with convex edge 11 in the edge of bonnet 3 openings, corresponding protecgulum 1 is provided with the groove 32 suitable with convex edge 11, on described convex edge 11, be provided with buckle 12 and have the draw-in groove 31 suitable with buckle 12 on the wall at groove 32 places, same protecgulum 1 and the rectangular flange 34 of bonnet 3 are provided with convex edge 11 on the face of butt mutually and groove 32 positions cooperation.

Claims (4)

1. an instrument transformer, comprise housing, in described housing, be provided with coil, on described housing, be also provided with wiring part, it is characterized in that: described coil includes fixed part and winding section, the setting of being rectangle of the cross section of described winding section, the quantity of described coil is two, between the mutual butt of fixed part of described two coils and described winding section, is formed with cavity;
Described wiring part includes the conducting portion and two wire connecting portion that are wholely set, described conducting portion between two wire connecting portion and described conducting portion be arranged in the cavity forming between the winding section of two coils, described two wire connecting portion extend to respectively outside.
2. instrument transformer according to claim 1, is characterized in that: described conducting portion and two wire connecting portion are at least set to two-layer ladder.
3. instrument transformer according to claim 2, it is characterized in that: described housing includes protecgulum and bonnet, described protecgulum and bonnet are provided with the groove of placing for conducting portion in center, the edge of described groove is provided with rectangular flange towards enclosure interior, and two relative end faces of rectangular flange of described protecgulum and bonnet are conflicted mutually.
4. according to the instrument transformer described in claim 1 or 2 or 3, it is characterized in that: on the fixed part of described two coils, be provided with breach, described fixed part is provided with in cabling portion and described cabling portion and offers through hole in indentation, there.
CN201410182595.7A 2014-04-30 2014-04-30 transformer Active CN104078225B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410182595.7A CN104078225B (en) 2014-04-30 2014-04-30 transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410182595.7A CN104078225B (en) 2014-04-30 2014-04-30 transformer

Publications (2)

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CN104078225A true CN104078225A (en) 2014-10-01
CN104078225B CN104078225B (en) 2017-01-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107146701A (en) * 2017-06-28 2017-09-08 国网山东省电力公司烟台供电公司 A kind of transformer and termination
CN107393683A (en) * 2017-06-28 2017-11-24 国网山东省电力公司烟台供电公司 A kind of transformer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06302444A (en) * 1993-04-19 1994-10-28 Mitsubishi Electric Corp Main transformer with built-in reactor for vehicle
US20050034296A1 (en) * 2003-08-12 2005-02-17 Younger Harold R. Method of forming a transformer winding with rectangular copper wire
CN201984951U (en) * 2011-03-03 2011-09-21 厦门宏美电子有限公司 Current transformer component for small current
CN202093967U (en) * 2011-03-17 2011-12-28 苏州西门子电器有限公司 Current transformer assembly and circuit breaker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06302444A (en) * 1993-04-19 1994-10-28 Mitsubishi Electric Corp Main transformer with built-in reactor for vehicle
US20050034296A1 (en) * 2003-08-12 2005-02-17 Younger Harold R. Method of forming a transformer winding with rectangular copper wire
CN201984951U (en) * 2011-03-03 2011-09-21 厦门宏美电子有限公司 Current transformer component for small current
CN202093967U (en) * 2011-03-17 2011-12-28 苏州西门子电器有限公司 Current transformer assembly and circuit breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107146701A (en) * 2017-06-28 2017-09-08 国网山东省电力公司烟台供电公司 A kind of transformer and termination
CN107393683A (en) * 2017-06-28 2017-11-24 国网山东省电力公司烟台供电公司 A kind of transformer

Also Published As

Publication number Publication date
CN104078225B (en) 2017-01-11

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