CN113972054B - Connecting structure of core column and upper yoke, mounting method and pancake reactor - Google Patents
Connecting structure of core column and upper yoke, mounting method and pancake reactor Download PDFInfo
- Publication number
- CN113972054B CN113972054B CN202111063945.4A CN202111063945A CN113972054B CN 113972054 B CN113972054 B CN 113972054B CN 202111063945 A CN202111063945 A CN 202111063945A CN 113972054 B CN113972054 B CN 113972054B
- Authority
- CN
- China
- Prior art keywords
- core column
- aramid paper
- adhesive
- upper yoke
- reactor
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 235000012771 pancakes Nutrition 0.000 title claims abstract description 8
- 239000004760 aramid Substances 0.000 claims abstract description 109
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 109
- 239000000853 adhesive Substances 0.000 claims abstract description 75
- 230000001070 adhesive effect Effects 0.000 claims abstract description 75
- 238000004026 adhesive bonding Methods 0.000 claims description 22
- 239000003292 glue Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 28
- 229910052742 iron Inorganic materials 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
Abstract
The invention provides a connecting structure and an installing method of a core column and an upper yoke iron and a pancake reactor, and belongs to the technical field of manufacturing of reactors. The invention provides a connecting structure of a core column and an upper yoke iron, which comprises a core column cushion block, aramid paper and an adhesive, wherein the core column cushion block is arranged on the end face of a reactor core column; the aramid paper is arranged on the end face of the core column of the reactor and covers the core column cushion block; the adhesive is filled between the core column cushion block and the aramid paper, and the adhesive is filled between the aramid paper and the upper yoke; an installation method installs such a connection structure between a reactor stem and an upper yoke; a pancake reactor includes such a connection structure. According to the connecting structure and the installing method of the core column and the upper yoke iron and the cake-type reactor, the core column cushion block and the upper yoke iron are firmly connected and isolated by the combination of the aramid paper and the adhesive, the core column and the upper yoke iron of the reactor are bonded into a whole, and the connection structure and the installing method are convenient to disassemble.
Description
Technical Field
The invention belongs to the technical field of manufacturing of reactors, and particularly relates to a connecting structure of a core column and an upper yoke, an installation method and a pancake reactor.
Background
The reactor is common power transmission and transformation equipment, the reactor can reduce short-circuit current, the reactor can enable the voltage of a system to be kept unchanged at the moment of short-circuit, the reactor generally has larger noise and vibration in operation, in the manufacturing process of the reactor, a core column cushion block is arranged on the upper part of the core column of the traditional reactor, an adhesive is coated on the upper part of the core column cushion block, then the upper yoke is installed, and pressure is applied to the upper yoke, so that the upper yoke, the core column and a coil of the reactor are in a compressed state and kept for a long time, at the moment, the core column and the upper yoke of the reactor are adhered together through the adhesive, and form a whole, the whole compact structure of a reactor product is guaranteed, the effect of noise reduction is achieved, but the conventional connecting structure has the following problems: taking a three-phase reactor as an example, errors with different degrees exist in the manufacturing process of an upper yoke and a reactor core column, and the errors are accumulated, so that height deviation exists among the three-phase reactor core columns, and as the upper yoke is of an integrated structure, the three phases are integrally compressed; the traditional connection structure connects the reactor core column and the upper yoke iron into a whole through the adhesive, when the reactor breaks down, the connection between the reactor core column and the upper yoke iron is required to be opened, the cost of disassembling the reactor is greatly increased, and even the damage of the reactor core column can be caused.
Disclosure of Invention
The invention aims to provide a connecting structure of a core column and an upper yoke, and aims to solve the problems of balanced compaction of three phases and single phases and disassembly of a reactor.
In order to achieve the above purpose, the invention adopts the following technical scheme: provided is a connecting structure of a stem and an upper yoke, comprising:
the core column cushion block is arranged on the end face of the core column of the reactor;
the aramid paper is arranged on the end face of the reactor core column and covers the core column cushion block; and
and the adhesive is filled between the core column cushion block and the aramid paper, and is filled between the aramid paper and the upper yoke.
In one possible implementation manner, a first gluing area matched with a plurality of core column cushion blocks is arranged on the lower end face of the aramid paper, and the adhesive is arranged in the first gluing area.
In one possible implementation manner, a second gluing area matched with a plurality of core column cushion blocks is arranged on the upper end face of the aramid paper, and the adhesive is arranged in the second gluing area.
In one possible implementation manner, the aramid paper includes a plurality of sheets, the plurality of sheets of aramid paper are disposed between the stem cushion and the upper yoke, wherein the aramid paper closest to the stem cushion is a first aramid paper, the aramid paper closest to the upper yoke is a second aramid paper, and the adhesive is disposed on opposite sides of the first aramid paper and the second aramid paper which are farthest from each other.
The method for installing the connecting structure of the core column and the upper yoke comprises the following steps:
a1, a core column cushion block is arranged on the end face of a core column of the reactor;
a2, aramid paper is arranged on the end face of the core column of the reactor, and the core column cushion block is covered with the aramid paper;
a3, filling an adhesive, wherein the adhesive is filled between the core column cushion block and the first aramid paper, and the adhesive is filled between the second aramid paper and the upper yoke;
a4, pressing the core column and the upper yoke of the reactor.
In one possible implementation manner, in step A3, when the adhesive is filled, a first glue area consistent with the position of the stem cushion is set on the lower end surface of the first aramid paper, and the adhesive is dispensed on the upper end surface of the stem cushion.
In one possible implementation manner, in step A3, when the filling of the adhesive is performed, a second gluing area consistent with the stem cushion is drawn on the upper end surface of the second aramid paper, and then the adhesive is dispensed in the second gluing area.
In one possible implementation manner, in step A2, a plurality of Zhang Fangguan papers are sequentially stacked and laid on the end face of the reactor stem; in step A3, the adhesive is respectively spot-coated on the opposite sides of the first aramid paper and the second aramid paper which are farthest from each other.
A pancake reactor employing a connection arrangement of any of the aforementioned studs with an upper yoke, the connection arrangement being arranged between the reactor stud and the upper yoke.
The connecting structure of the core column and the upper yoke iron has the beneficial effects that:
compared with the prior art, including stem cushion, aramid paper and adhesive, the stem cushion sets up on the reactor stem, and aramid paper sets up between stem cushion and last yoke, bonds through the adhesive, increases the stability of device, guarantees stem cushion and last yoke firm in connection, bonds into a whole reactor stem and yoke, and aramid paper is isolated the adhesive again simultaneously, conveniently disassembles.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a stem and upper yoke according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an arrangement of core beam pads according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure of the aramid paper and the adhesive used in example 1 of the present invention;
FIG. 4 is a schematic diagram of the structure of the aramid paper and the adhesive used in example 2 of the present invention;
fig. 5 is a schematic structural diagram of the aramid paper and the adhesive used in example 3 of the present invention.
In the figure: 1. a reactor stem; 2. an upper yoke; 3. a core column cushion block; 4. aramid paper; 5. an adhesive; 401. a first aramid paper; 402. and the second aramid paper.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 5, a specific embodiment of a connecting structure of a stem and an upper yoke according to the present invention will now be described, including: the core column cushion block 3, the aramid paper 4 and the adhesive 5 are arranged on the end face of the reactor core column 1; the aramid paper 4 is arranged on the end face of the reactor core column 1, and the aramid paper 4 covers the core column cushion block 3; the adhesive 5 is filled between the stem pad 3 and the aramid paper 4, or the adhesive 5 is filled between the aramid paper 4 and the upper yoke 2.
Compared with the prior art, the connecting structure of the core column and the upper yoke iron provided by the invention comprises the core column cushion block 3, the aramid paper 4 and the adhesive 5, wherein the core column cushion block 3 is arranged on the reactor core column 1, the aramid paper 4 is arranged between the core column cushion block 3 and the upper yoke iron 2, the core column cushion block 3 and the upper yoke iron 2 are bonded through the adhesive 5, the stability of the device is improved, the core column cushion block 3 and the upper yoke iron 2 are firmly connected, the reactor core column 1 and the yoke iron are bonded into a whole, and meanwhile, the aramid paper 4 isolates the adhesive 5, so that the connecting structure is convenient to disassemble.
Specifically, please refer to fig. 1 to 5, including the stem cushion 3, aramid paper 4 and adhesive 5, the stem cushion 3 sets up on reactor stem 1, and aramid paper 4 sets up on stem cushion 3, and adhesive 5 fills between stem cushion 3 and aramid paper 4, or fills between aramid paper 4 and upper yoke 2, firmly connects stem cushion 3 and upper yoke 2, and reactor stem 1 bonds into a whole with upper yoke 2, and aramid paper 4 insulates adhesive 5 again simultaneously, conveniently disassembles. The size of the aramid paper 4 is matched with that of the reactor core column 1, so that the influence on the bonding effect caused by overlarge or undersize aramid paper 4 is avoided.
The specific embodiment, the installation method is as follows,
a1, a core column cushion block 3 is arranged on the end face of a reactor core column 1;
a2, aramid paper 4 is arranged on the end face of the reactor core column 1, and the aramid paper 4 is covered on the core column cushion block 3;
a3, filling an adhesive 5, wherein the adhesive 5 is filled between the core column cushion block 3 and the aramid paper 4, or the adhesive 5 is filled between the aramid paper 4 and the upper yoke 2;
a4, pressing the reactor core column 1 and the upper yoke 2.
Specifically, referring to fig. 1 to 3, the reactor core column 1, the core column cushion block 3, the aramid paper 4 and the upper yoke 2 are sequentially arranged from bottom to top, and an adhesive 5 is dispensed between the core column cushion block 3 and the aramid paper 4, or an adhesive 5 is dispensed between the aramid paper 4 and the upper yoke 2, so that the reactor core column 1 and the upper yoke 2 are compressed, and the stability of the device is increased.
As a specific embodiment of the connection structure of the core column and the upper yoke provided by the invention, referring to fig. 1 to 3, a first gluing area matched with a plurality of core column cushion blocks 3 is arranged on the lower end surface of the aramid paper 4, and an adhesive 5 is arranged in the first gluing area.
In this embodiment, the mounting method is as follows, and in step A3, when the adhesive 5 is filled, a first glue area is provided on the lower end surface of the aramid paper 4, the first glue area being in line with the position of the stem pad 3, and the adhesive 5 is spot-coated on the upper end surface of the stem pad 3.
Specifically, the mounting steps are as follows:
b1, a core column cushion block 3 is arranged on a reactor core column 1;
b2, dispensing an adhesive 5 on one side of the core column cushion block 3 away from the reactor core column 1;
b3, placing the aramid paper 4 on the adhesive 5, wherein the contact area of the aramid paper 4 and the adhesive 5 is a first gluing area;
b4, the upper yoke iron 2 is arranged on the aramid paper 4;
and B5, compacting the reactor core column 1 and the upper yoke 2.
Specifically, referring to fig. 1 to 3, the reactor core column 1, the core column cushion block 3, the aramid paper 4 and the upper yoke 2 are sequentially arranged from bottom to top, and an adhesive 5 is coated between the core column cushion block 3 and the aramid paper 4 to compress the reactor core column 1 and the upper yoke 2, so that the stability of the device is improved.
As a specific embodiment of the connection structure of the core column and the upper yoke provided by the invention, referring to fig. 1, 2 and 4, a second gluing area matched with a plurality of core column cushion blocks 3 is arranged on the upper end surface of the aramid paper 4, and an adhesive 5 is arranged in the second gluing area.
In the specific embodiment, the mounting method is as follows, in the step A3, when the adhesive 5 is filled, a second glue coating area consistent with the stem cushion 3 is drawn on the upper end surface of the aramid paper 4, and then the adhesive 5 is dispensed in the second glue coating area.
In this embodiment, the installation method is as follows,
c1, a core column cushion block 3 is arranged on a reactor core column 1;
c2, drawing a circle consistent with the core column cushion block 3 on the aramid paper 4, wherein the circle is a second gluing area, the aramid paper 4 is placed on the core column cushion block 3, the second gluing area is matched with the position of the core column cushion block 3, and one side of the second gluing area of the aramid paper 4 is arranged away from the reactor core column 1;
c3, the adhesive 5 is coated on the second gluing area of the aramid paper 4 in a spot mode;
c4, the upper yoke 2 is arranged on the adhesive 5;
and C5, pressing the reactor core column 1 and the upper yoke 2.
Specifically, referring to fig. 1, 2 and 4, the reactor core column 1, the core column cushion block 3, the aramid paper 4 and the upper yoke 2 are sequentially arranged from bottom to top, a second gluing area is arranged on one side of the aramid paper 4 far away from the core column cushion block 3, the second gluing area is matched with the core column cushion block 3 in position, an adhesive 5 is coated on the second gluing area in a spot mode, the reactor core column 1 and the upper yoke 2 are compressed, and stability of the device is improved.
As a specific embodiment of a connection structure between a core column and an upper yoke provided by the invention, referring to fig. 1, 2 and 5, the aramid paper 4 includes a plurality of pieces of Zhang Fangguan paper 4 arranged between a core column cushion block 3 and the upper yoke 2, and the adhesive 5 is respectively arranged on opposite sides of two pieces of aramid paper 4 furthest from each other.
In the specific embodiment, in the step A2, a plurality of Zhang Fangguan papers 4 are sequentially stacked and laid on the end face of the reactor core column 1; in step A3, the adhesive 5 is respectively spot-coated on the opposite sides of the two sheets of aramid paper 4 farthest from each other.
In this embodiment, the aramid paper 4 near the core pillar cushion 3 is defined as a first aramid paper 401, the aramid paper 4 near the upper yoke 2 is defined as a second aramid paper 402, the installation method is as follows,
d1, a core column cushion block 3 is arranged on a reactor core column 1;
d2, dispensing an adhesive 5 on one side of the core column cushion block 3 away from the reactor core column 1;
d3, a first aramid paper 401 is placed on the adhesive 5;
d4, the second aramid paper 402 is placed on the other side of the first aramid paper 401;
d5, the adhesive 5 is coated on one side of the second aramid paper 402 far away from the reactor core column 1, and the coating position of the adhesive 5 is matched with the position of the core column cushion block 3;
d6, the upper yoke 2 is disposed on the adhesive 5 of the second aramid paper 402;
and D7, compacting the reactor core column 1 and the upper yoke 2.
Specifically, referring to fig. 1, 2 and 5, the reactor core 1, the core cushion 3, the first aramid paper 401, the second aramid paper 402 and the upper yoke 2 are sequentially arranged from bottom to top, one side of the core cushion 3 away from the reactor core 1 is coated with an adhesive 5, one side of the second aramid paper 402 away from the core cushion 3 is coated with an adhesive 5, the positions of the adhesive 5 and the core cushion 3 are matched, the reactor core 1 and the upper yoke 2 are compressed, and the stability of the device is improved.
A pancake reactor uses a connection structure of any of the aforementioned studs and an upper yoke, the connection structure being arranged between the reactor stud 1 and the upper yoke 2.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. A connecting structure of a stem and an upper yoke, comprising:
the core column cushion block is arranged on the end face of the core column of the reactor;
the aramid paper covers the core column cushion block, the aramid paper comprises a plurality of pieces of aramid paper, the pieces of aramid paper are arranged between the core column cushion block and the upper yoke, wherein the aramid paper closest to the core column cushion block is first aramid paper, and the aramid paper closest to the upper yoke is second aramid paper; and
the adhesive is filled between the core column cushion block and the first aramid paper, and between the second aramid paper and the upper yoke, and the adhesive is respectively arranged on the opposite sides of the first aramid paper and the second aramid paper which are farthest from each other;
the lower end face of the first aramid paper is provided with a first gluing area matched with a plurality of core column cushion blocks, and the adhesive is arranged in the first gluing area;
the upper end face of the second aramid paper is provided with a second gluing area matched with the plurality of core column cushion blocks, and the adhesive is arranged in the second gluing area.
2. A method for installing the connecting structure of the stem and the upper yoke according to claim 1, comprising the steps of:
a1, a core column cushion block is arranged on the end face of a core column of the reactor;
a2, aramid paper is arranged on the end face of the core column of the reactor, and the core column cushion block is covered with the aramid paper;
a3, filling an adhesive, wherein the adhesive is filled between the core column cushion block and the first aramid paper, and the adhesive is filled between the second aramid paper and the upper yoke;
a4, pressing the core column and the upper yoke of the reactor.
3. The method for installing a coupling structure of a stem and an upper yoke according to claim 2, wherein in the step A3, a first glue area is provided on the lower end surface of the first aramid paper in correspondence with the position of the stem pad, and the adhesive is spot-coated on the upper end surface of the stem pad when the adhesive is filled.
4. The method for installing a connecting structure of a stem and an upper yoke according to claim 2, wherein in the step A3, a second glue area is drawn on the upper end surface of the second aramid paper in conformity with the stem pad when the adhesive is filled, and then the adhesive is dispensed in the second glue area.
5. The method for mounting a connecting structure of a stem and an upper yoke according to claim 2, wherein in step A2, a plurality of pieces of Zhang Fangguan paper are sequentially stacked and laid on an end face of the reactor stem; in step A3, the adhesive is respectively spot-coated on the opposite sides of the first aramid paper and the second aramid paper which are farthest from each other.
6. A pancake reactor characterized in that a connection structure of the core leg and the upper yoke according to claim 1 is used, said connection structure being provided between the reactor core leg and the upper yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063945.4A CN113972054B (en) | 2021-09-10 | 2021-09-10 | Connecting structure of core column and upper yoke, mounting method and pancake reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063945.4A CN113972054B (en) | 2021-09-10 | 2021-09-10 | Connecting structure of core column and upper yoke, mounting method and pancake reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113972054A CN113972054A (en) | 2022-01-25 |
| CN113972054B true CN113972054B (en) | 2024-04-05 |
Family
ID=79586729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111063945.4A Active CN113972054B (en) | 2021-09-10 | 2021-09-10 | Connecting structure of core column and upper yoke, mounting method and pancake reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113972054B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB657371A (en) * | 1948-02-13 | 1951-09-19 | Westinghouse Electric Int Co | Improvements in or relating to electrical induction apparatus |
| GB1229437A (en) * | 1968-06-10 | 1971-04-21 | ||
| JP2000124032A (en) * | 1998-03-06 | 2000-04-28 | Nippon Paint Co Ltd | Film composed of amorphous metal foils and insulating resin layer, and coil or transformer |
| KR100651610B1 (en) * | 2005-11-18 | 2006-12-01 | 주식회사 코시드 | A split type current transformer |
| CN101692406A (en) * | 2009-09-25 | 2010-04-07 | 中国北车集团大连机车车辆有限公司 | Method for laminating main transformer core of locomotive |
| CN104425109A (en) * | 2013-09-09 | 2015-03-18 | 台达电子企业管理（上海）有限公司 | Inductor and switching circuit comprising inductor |
| CN205092118U (en) * | 2015-11-04 | 2016-03-16 | 东莞市科旺科技股份有限公司 | A novel iron core for resisting saturable transformer |
| CN106898457A (en) * | 2015-12-21 | 2017-06-27 | 胜美达集团株式会社 | Reactor and its manufacture method |
| CN207572207U (en) * | 2017-12-15 | 2018-07-03 | 夏弗纳电磁兼容（上海）有限公司 | Multiphase reactor |
| WO2019078737A1 (en) * | 2017-10-17 | 2019-04-25 | Pontifica Universidad Católica Del Perú | Method for producing modular three-phase triangular-core transformers with y-shaped yokes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6398620B2 (en) * | 2014-01-28 | 2018-10-03 | Tdk株式会社 | Reactor |
-
2021
- 2021-09-10 CN CN202111063945.4A patent/CN113972054B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB657371A (en) * | 1948-02-13 | 1951-09-19 | Westinghouse Electric Int Co | Improvements in or relating to electrical induction apparatus |
| GB1229437A (en) * | 1968-06-10 | 1971-04-21 | ||
| JP2000124032A (en) * | 1998-03-06 | 2000-04-28 | Nippon Paint Co Ltd | Film composed of amorphous metal foils and insulating resin layer, and coil or transformer |
| KR100651610B1 (en) * | 2005-11-18 | 2006-12-01 | 주식회사 코시드 | A split type current transformer |
| CN101692406A (en) * | 2009-09-25 | 2010-04-07 | 中国北车集团大连机车车辆有限公司 | Method for laminating main transformer core of locomotive |
| CN104425109A (en) * | 2013-09-09 | 2015-03-18 | 台达电子企业管理（上海）有限公司 | Inductor and switching circuit comprising inductor |
| CN205092118U (en) * | 2015-11-04 | 2016-03-16 | 东莞市科旺科技股份有限公司 | A novel iron core for resisting saturable transformer |
| CN106898457A (en) * | 2015-12-21 | 2017-06-27 | 胜美达集团株式会社 | Reactor and its manufacture method |
| JP2017117817A (en) * | 2015-12-21 | 2017-06-29 | スミダコーポレーション株式会社 | Reactor and manufacturing method of them |
| WO2019078737A1 (en) * | 2017-10-17 | 2019-04-25 | Pontifica Universidad Católica Del Perú | Method for producing modular three-phase triangular-core transformers with y-shaped yokes |
| CN207572207U (en) * | 2017-12-15 | 2018-07-03 | 夏弗纳电磁兼容（上海）有限公司 | Multiphase reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113972054A (en) | 2022-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105966107B (en) | Electricity charge voucher viscose glue workbench | |
| CN113972054B (en) | Connecting structure of core column and upper yoke, mounting method and pancake reactor | |
| CN102539966A (en) | Testing system for loads of frequency converters | |
| CN209328875U (en) | Packaging fixture applied to cmos image sensor ceramics PGA | |
| CN212810026U (en) | Large-scale power transformer coil pressure equipment cushion structure | |
| CN101783600A (en) | High-voltage commutation circuit topology method and structure | |
| CN209843685U (en) | Negative pressure rotation type solar wafer adsorption device constructs and stacks device | |
| CN201191550Y (en) | Semi-adhesive bi-partition punching tablet four-pole electro-magnet | |
| CN208772881U (en) | A kind of horizontal Yu Dao mechanism of novel centrifugal type draught fan impeller press fitting | |
| CN208806126U (en) | Iron core bracket and reactor | |
| CN208986025U (en) | A kind of pressure cap of T-type piezoelectric transducer | |
| CN213462277U (en) | Miniature loudspeaker | |
| CN206283392U (en) | Stator core pressing component | |
| CN206003868U (en) | A kind of battery frame and the vehicle with this battery frame | |
| CN204350293U (en) | A kind of ultrathin loudspeaker | |
| CN110058158A (en) | A kind of electric machines test quick-replaceable tooling | |
| CN104581567A (en) | Ultra-thin loudspeaker and assembling method thereof | |
| CN219163138U (en) | Combined inductor | |
| CN202394665U (en) | Improved three-phase balance reactor | |
| CN213635670U (en) | Improved coil iron yoke insulation of oil-immersed transformer | |
| CN202275701U (en) | Compensating reactor | |
| CN209328691U (en) | Coil pressure plate and power transformer | |
| CN206723313U (en) | A kind of electromagnetic power-off brake for steel rolling equipment | |
| CN218772443U (en) | Easy-to-deform diaphragm follow-up composite tool | |
| CN206789357U (en) | A kind of automatic vertical belt-braiding device for being used to produce aluminium electrolutic capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yajie Inventor after: Zhang Jianghui Inventor after: Wang Chao Inventor after: Huang Baoxin Inventor after: Shi Runshan Inventor after: Zhao Hui Inventor after: Shan Xinshi Inventor after: Geng Xue Inventor before: Zhang Jianghui Inventor before: Wang Chao Inventor before: Shi Runshan Inventor before: Zhao Hui Inventor before: Shan Xinshi Inventor before: Geng Xue Inventor before: Huang Baoxin Inventor before: Zhao Cuixian Inventor before: Xiao Ying |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |