CN111599581A - Inductor and transformer combination device for increasing current carrying capacity - Google Patents

Inductor and transformer combination device for increasing current carrying capacity Download PDF

Info

Publication number
CN111599581A
CN111599581A CN202010393273.2A CN202010393273A CN111599581A CN 111599581 A CN111599581 A CN 111599581A CN 202010393273 A CN202010393273 A CN 202010393273A CN 111599581 A CN111599581 A CN 111599581A
Authority
CN
China
Prior art keywords
copper sheet
leading
winding
conductive support
inductor
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
CN202010393273.2A
Other languages
Chinese (zh)
Other versions
CN111599581B (en
Inventor
宋磊
周晓媛
张志峰
钱凯耀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haining Lianfeng Dongjin Electronics Co ltd
Original Assignee
Haining Lianfeng Dongjin Electronics Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Haining Lianfeng Dongjin Electronics Co ltd filed Critical Haining Lianfeng Dongjin Electronics Co ltd
Priority to CN202010393273.2A priority Critical patent/CN111599581B/en
Publication of CN111599581A publication Critical patent/CN111599581A/en
Application granted granted Critical
Publication of CN111599581B publication Critical patent/CN111599581B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2847Sheets; Strips
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2823Wires
    • H01F27/2828Construction of conductive connections, of leads
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2847Sheets; Strips
    • H01F27/2852Construction of conductive connections, of leads
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2866Combination of wires and sheets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2876Cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)

Abstract

The invention discloses an inductor and transformer combination device for increasing current bearing capacity, which comprises an inductor component and a transformer component, wherein a plurality of copper sheet windings are arranged in a vertically stacked manner, a heat dissipation gap is formed between every two adjacent copper sheet windings, a first conductive support and a second conductive support are arranged side by side, a plurality of layers of mounting grooves are correspondingly formed in the height direction, two leading-out ends of the copper sheet windings are respectively inserted into the corresponding mounting grooves on the first conductive support and the second conductive support, and the second conductive support is provided with a connecting hole; the transformer assembly comprises a coil winding, the coil winding comprises a primary winding and a secondary winding, the primary winding comprises a plurality of wire cakes which are stacked, the wire cakes are formed by winding insulated copper wires, and the secondary winding comprises a plurality of copper sheet rings which are stacked. The design of the invention ensures that the electric appliance has good electric appliance performance, works stably, prolongs the service life and ensures the electric safety of use.

Description

Inductor and transformer combination device for increasing current carrying capacity
Technical Field
The invention relates to electronic components, in particular to a transformer.
Background
As a vehicle-mounted charging transformer, large power and current carrying capacity are needed, and the current carrying capacity of a traditional transformer is small and difficult to meet the requirements.
In addition, the traditional inductance assembly adopts a coil winding structure, the structure is compact, the heat dissipation window is small, and the heat dissipation and the increase of current carrying capacity are not facilitated.
Moreover, the transformer assembly generally adopts a coil winding mode, which is not favorable for heat dissipation and power increase.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an inductor and transformer combination device for increasing the current carrying capacity, so that the power is improved, the current carrying capacity is increased, and the electrical safety is ensured.
In order to solve the technical problems, the invention adopts the following technical scheme:
an inductor and transformer combination for increasing current carrying capacity, comprising an inductor assembly: the inductor component comprises a first conductive support, a second conductive support and a plurality of copper sheet windings, each copper sheet winding is formed by winding a flat copper sheet into a single-layer or multi-layer ring shape, two leading-out ends of each copper sheet winding are distributed at intervals of 180 degrees along the circumferential direction of the copper sheet winding, the copper sheet windings are stacked up and down, a heat dissipation gap is formed between every two adjacent copper sheet windings, the first conductive support and the second conductive support are arranged side by side and correspondingly provided with a plurality of layers of mounting grooves along the height direction, the two leading-out ends of the copper sheet windings are respectively inserted into the corresponding mounting grooves on the first conductive support and the second conductive support, and the second conductive support is provided with a connecting hole;
a transformer component: the transformer assembly comprises a coil winding, the coil winding comprises a primary winding and a secondary winding, the primary winding comprises a plurality of wire cakes which are arranged in a stacked mode, the wire cakes are formed by winding insulated copper wires, first outgoing line ends of all the wire cakes are connected together, and second outgoing line ends of all the wire cakes are connected together; the secondary winding comprises a plurality of copper sheet rings which are arranged in a stacked mode, the copper sheet rings are formed by winding a flat copper sheet into a single-ring structure, an opening is formed between two ends of each copper sheet ring, a first leading-out end and a second leading-out end of each copper sheet ring are located on two sides of the opening of each copper sheet ring and are respectively provided with a leading-out hole, the first leading-out ends of all the copper sheet rings are connected with a middle binding post in a horizontal projection overlapping mode and are connected together, the second leading-out ends of two adjacent copper sheet rings are symmetrically arranged on two sides of the first leading-out ends of the two adjacent copper sheet rings, all the second leading-out ends located on one side of the first leading-out ends are connected with a hole in a horizontal projection overlapping mode and are connected with a first side binding post together, and all the second leading-out ends located on the; a copper sheet ring is arranged between two adjacent wire cakes;
the lower part of the middle binding post is connected with the connecting hole.
Preferably, the two copper sheet windings form a layer, the lead-out ends in the same direction are overlapped together, and the copper sheet windings are inserted into the mounting groove.
Preferably, the leading-out end of the copper sheet winding is inserted into the mounting groove and then welded and fixed.
Preferably, a heat dissipation gap is formed between the copper sheet winding and the first conductive support and between the copper sheet winding and the second conductive support.
Preferably, first electrically conductive support includes the bar shaped plate of horizontal extension, the length one end of bar shaped plate is equipped with the fixed orifices, one of them side of the length other end of bar shaped plate is connected with the vertical board of vertical extension that makes progress, the mounting groove is located on the vertical board.
Preferably, the other side face of the other end of the strip-shaped plate is connected with a folded edge which extends vertically downwards, and the folded edge is provided with a positioning column protruding downwards.
Preferably, the second conductive support comprises a vertical part and a horizontal part horizontally bent from the lower end of the vertical part to the side surface, the mounting groove is formed in the vertical part, and the horizontal part is provided with a connecting hole.
Preferably, the first lead-out terminal extends to the radial outer side of the copper sheet ring.
Preferably, the second leading-out end comprises a radial part extending to the radial outer side of the copper sheet ring and a tangential part perpendicular to the radial part and extending in the direction away from the first leading-out end, and the receiving hole in the second leading-out end is formed in the tangential part.
Preferably, the middle wiring terminal is provided with a flange near the bottom end, and the diameter of the flange is larger than that of the connecting hole.
The technical scheme adopted by the invention has the following beneficial effects:
1. the transformer assembly is connected with the connecting hole in the inductance assembly through the middle binding post, so that the inductance assembly is connected with the transformer assembly, the bearing capacity of current is increased in a combined mode of the inductance assembly and the transformer assembly, and the requirements of high power and high current of a high-power vehicle-mounted charging combined transformer are met.
2. The coil windings of the inductance assembly are combined by adopting the copper sheet windings, the first conductive support and the second conductive support are connected with all the copper sheet windings, a heat dissipation gap is formed between every two adjacent copper sheet windings, and a heat dissipation gap is formed between the copper sheet windings and the first conductive support and between the copper sheet windings and the second conductive support, so that gaps are increased, a heat dissipation window is enlarged, and the current carrying capacity is increased.
3. The transformer assembly adopts a mode of combining the wire cake and the copper sheet ring to increase the winding space and improve the power. The wire cake is wound by adopting an insulating wire, and the copper sheet ring is coated with an insulating adhesive tape so as to ensure safety and accord with safety regulations.
4. The transformer assembly realizes the connection and support functions by adopting the middle binding post and the side binding post, does not need to be provided with a framework, simplifies the structure, reduces the cost and is also favorable for heat dissipation.
In conclusion, the transformer device has good electrical performance and stable work, prolongs the service life and ensures the electrical safety of use.
The following detailed description of the present invention will be provided in conjunction with the accompanying drawings.
Drawings
The invention is further described with reference to the accompanying drawings and the detailed description below:
FIG. 1 is a front view of a high power vehicle charging combination transformer of the present invention;
FIG. 2 is a top view of the high power vehicle charging combination transformer of the present invention;
FIG. 3 is a schematic structural view of a first conductive support according to the present invention;
FIG. 4 is a schematic structural view of a second conductive support according to the present invention;
FIG. 5 is a schematic structural diagram of a copper sheet winding according to the present invention;
FIG. 6 is a schematic view of the structure of a copper sheet ring according to the present invention;
FIG. 7 is a schematic diagram of the post-lamination structure of copper sheets in the present invention;
FIG. 8 is a schematic view of the structure of the cake of the present invention;
FIG. 9 is a schematic structural view of an intermediate terminal according to the present invention;
FIG. 10 is a schematic structural view of a side terminal according to the present invention;
in the figure:
1-an inductance component, 11-a first conductive support, 101-a mounting groove, 111-a strip-shaped plate, 112-a fixing hole, 113-a vertical plate, 114-a folded edge, 115-a positioning column, 12-a second conductive support, 121-a vertical part, 122-a horizontal part, 123-a connecting hole, 13-a copper sheet winding and 131-a leading-out terminal;
2-transformer component, 21-copper sheet ring, 211-first leading-out terminal, 212-second leading-out terminal, 213-leading-out hole, 22-wire cake, 221-leading-out wire head, 222-insulating lacing tape, 23-middle binding post, 231-flange and 24-side binding post.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 10, an inductor and transformer combination for increasing current carrying capacity includes:
the inductance component 1: inductance component 1 includes first electrically conductive support 11, second electrically conductive support 12 and a plurality of copper sheet winding 13, and every copper sheet winding 13 is become individual layer or multilayer ring form (thickness direction layering) by a flat copper sheet coiling, and two of every copper sheet winding draw forth end 131 along copper sheet winding circumference interval 180 degrees distributions, and a plurality of copper sheet windings 13 range upon range of setting from top to bottom and have the heat dissipation clearance between two adjacent copper sheet windings 13, first electrically conductive support 11 and second electrically conductive support 12 set up side by side and correspond along the direction of height and be equipped with a plurality of layers of mounting groove 101, and two of copper sheet winding 13 draw forth end 131 insert respectively on first electrically conductive support 11 and the second electrically conductive support 12 correspond in the mounting groove 101, second electrically conductive support 12 is equipped with connecting hole 123. In addition, other configurations of inductive component 1 are known in the art, such as magnetic cores, and two ER cores may be used in combination.
The transformer assembly 2: the transformer component 2 comprises a coil winding, the coil winding comprises a primary winding and a secondary winding, the primary winding comprises a plurality of line cakes 22 which are arranged in a stacked mode, the line cakes 22 are formed by winding insulated copper wires, each line cake 22 is provided with two outgoing line heads 221, the first outgoing line heads of all the line cakes 22 are connected together, and the second outgoing line heads of all the line cakes 22 are connected together; the secondary winding comprises a plurality of copper sheet rings 21 arranged in a stacked mode, the copper sheet rings 21 are of a single-layer structure formed by winding a flat copper sheet, openings are formed between two ends of each copper sheet ring 21, a first leading-out end 211 and a second leading-out end 212 of each copper sheet ring 21 are located on two sides of the opening of each copper sheet ring 21 and are provided with connecting holes 213, horizontal projections of the connecting holes 213 on the first leading-out ends of all the copper sheet rings 21 are overlapped and connected with a middle binding post 23, welding can be further performed, horizontal projections of the second leading-out ends of two adjacent copper sheet rings 21 are symmetrically arranged on two sides of the horizontal projections of the first leading-out ends of the two adjacent copper sheet rings 21, and the second leading-out ends are connected with side binding. And all the second leading-out ends positioned on the other side of the first leading-out ends are connected with the second side binding posts together in a superposed mode through the horizontal projections of the connecting holes. And a copper sheet ring 21 is arranged between two wire cakes 22 which are adjacent up and down. In addition, other configurations of the transformer assembly 2 are known in the art, such as magnetic cores, and combinations of two ER cores may be used.
Wherein, the lower part of the middle binding post 23 is connected with the connecting hole 123, and the inductance component 1 and the transformer component 2 are connected together. The bearing capacity of the current is increased by adopting a mode of combining the inductance assembly and the transformer assembly, and the requirements of high power and large current of the high-power vehicle-mounted charging combined transformer are met. A heat dissipation gap is formed between every two adjacent copper sheet windings in the inductance assembly, a heat dissipation window is enlarged, current bearing capacity is increased, winding space is increased by adopting a mode of combining a coil and a copper sheet ring in the transformer assembly, and power is improved. The transformer assembly realizes the connection and support functions by adopting the middle binding post and the side binding post, does not need to be provided with a framework, simplifies the structure, reduces the cost and is also favorable for heat dissipation.
In the inductance assembly, two copper sheet windings 13 form a layer, lead-out terminals in the same direction are overlapped together, and are inserted into the mounting groove 101. The lead end of the copper sheet winding 13 is inserted into the mounting groove 101 and then fixed by welding. The copper sheet winding 13 is not closely attached to the first conductive support 11 and the second conductive support 12, so that a heat dissipation gap is formed between the copper sheet winding 13 and the first conductive support 11 and the second conductive support 12. A heat dissipation gap is formed between two adjacent copper sheet windings, and a heat dissipation gap is formed between the copper sheet windings and the first conductive support and between the copper sheet windings and the second conductive support, so that gaps are increased, a heat dissipation window is enlarged, and current bearing capacity is increased.
Referring to fig. 3, the first conductive bracket 11 includes a strip-shaped plate 111 extending horizontally, a fixing hole 112 is formed in one end of the length of the strip-shaped plate 111, one side of the other end of the length of the strip-shaped plate 111 is connected with a vertical plate 113 extending vertically upwards, and the mounting groove 101 is formed in the vertical plate 113. The other side face of the other end of the length of the strip-shaped plate 111 is connected with a folded edge 114 extending vertically downwards, and the folded edge 114 is provided with a positioning column 115 protruding downwards. Because the high-power vehicle-mounted charging combined transformer device is integrally installed on the circuit board, the positioning column 115 can be matched with the positioning hole on the circuit board to realize positioning, and after the positioning is realized, the folded edge 114 is abutted against the circuit board, and a spacing space is formed between the strip-shaped plate 111 and the circuit board, a certain heat dissipation space can be formed between the inductance component 1 and the transformer component 2 thereof and the circuit board.
Referring to fig. 4, the second conductive bracket 12 includes a vertical portion 121 and a horizontal portion 122 horizontally bent from a lower end of the vertical portion to a side surface, the mounting groove 101 is opened in the vertical portion 121, and the horizontal portion 122 is provided with a connection hole 123.
In addition, the copper sheet ring 21 has a single-layer structure. And the copper sheet ring 21 is coated with an insulating adhesive tape. Meanwhile, the wire cake 22 is formed by winding insulated copper wires. Therefore, the safety is ensured by the insulation protection measures, and the safety is in accordance with safety regulations.
The first leading-out end 211 extends to the radial outside of the copper sheet ring, and is provided with a leading-out hole. The second leading-out end 212 includes a radial portion extending to the radial outside of the copper sheet ring and a tangential portion perpendicular to the radial portion and extending in a direction away from the first leading-out end, and the receiving hole on the second leading-out end is disposed on the tangential portion. The projection central points of the connecting holes on the copper sheet rings on the horizontal plane are positioned on the same straight line. The design enables the horizontal projection of the second leading-out ends 212 of two adjacent copper sheet rings 21 to be symmetrically arranged on two sides of the horizontal projection of the first leading-out ends 211 of the two adjacent copper sheet rings, and the distance between the second leading-out ends is larger.
Referring to fig. 8, the cake 22 has a single-layer structure. The wire cake 22 is tightened by the insulating tightening adhesive tape 222 at the position close to the two outgoing lines, and the insulating tightening adhesive tape 222 can be arranged at other positions to avoid the wire cake from loosening.
Referring to fig. 9, the intermediate post 23 is provided with a flange 231 near the bottom end. The diameter of the flange is larger than that of the connecting hole 123, and the flange is positioned above the connecting hole 123 and is matched with the connecting hole 123 to position the axial position of the middle binding post 23. The lower end of the middle post 23 may be supported on a circuit board, and the side posts 24 are of an equal diameter cylindrical configuration, as shown with reference to fig. 10.
In this embodiment, there are three wire cakes 22 and two copper sheet rings 21. Of course, the specific number may vary depending on the power.
It will be appreciated by those skilled in the art that the two transformer assemblies 2 described above may be combined together and connected to a respective one of the inductor assemblies 1. The two transformer assemblies 2 and the inductance assembly 1 are combined, and the two first conductive supports are of an integrated structure and share the fixing hole. Or the fixing holes of the two first conductive brackets are overlapped up and down and then are fixedly connected with the bolt.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. An inductor and transformer combination for increasing current carrying capacity, comprising:
an inductance component: the inductor component comprises a first conductive support, a second conductive support and a plurality of copper sheet windings, each copper sheet winding is formed by winding a flat copper sheet into a single-layer or multi-layer ring shape, two leading-out ends of each copper sheet winding are distributed at intervals of 180 degrees along the circumferential direction of the copper sheet winding, the copper sheet windings are stacked up and down, a heat dissipation gap is formed between every two adjacent copper sheet windings, the first conductive support and the second conductive support are arranged side by side and correspondingly provided with a plurality of layers of mounting grooves along the height direction, the two leading-out ends of the copper sheet windings are respectively inserted into the corresponding mounting grooves on the first conductive support and the second conductive support, and the second conductive support is provided with a connecting hole;
a transformer component: the transformer assembly comprises a coil winding, the coil winding comprises a primary winding and a secondary winding, the primary winding comprises a plurality of wire cakes which are arranged in a stacked mode, the wire cakes are formed by winding insulated copper wires, first outgoing line ends of all the wire cakes are connected together, and second outgoing line ends of all the wire cakes are connected together; the secondary winding comprises a plurality of copper sheet rings which are arranged in a stacked mode, an opening is formed between two ends of the copper sheet ring, a first leading-out end and a second leading-out end of the copper sheet ring are positioned on two sides of the opening of the copper sheet ring and are provided with through holes, the horizontal projections of the through holes on the first leading-out ends of all the copper sheet rings are overlapped and connected with a middle binding post, the second leading-out ends of two adjacent copper sheet rings are symmetrically arranged on two sides of the first leading-out ends of the two adjacent copper sheet rings, the horizontal projections of the through holes on the second leading-out ends positioned on one side of the first leading-out ends are overlapped and connected with a first side binding post, and the horizontal projections of the through holes on the second leading-out ends positioned on the other side of the first leading-out ends are overlapped and connected with a; a copper sheet ring is arranged between two adjacent wire cakes;
the lower part of the middle binding post is connected with the connecting hole.
2. An inductor and transformer combination for increasing current carrying capacity as claimed in claim 1, wherein: the two copper sheet windings form a layer, lead-out ends in the same direction are overlapped together, and the copper sheet windings are inserted into the mounting groove.
3. An inductor and transformer combination for increasing current carrying capacity as claimed in claim 1, wherein: and the leading-out end of the copper sheet winding is inserted into the mounting groove and then is welded and fixed.
4. An inductor and transformer combination for increasing current carrying capacity as claimed in claim 1, wherein: and a heat dissipation gap is formed between the copper sheet winding and the first conductive bracket and between the copper sheet winding and the second conductive bracket.
5. An inductor and transformer combination for increasing current carrying capacity as claimed in claim 1, wherein: first electrically conductive support includes the bar shaped plate of horizontal extension, the length one end of bar shaped plate is equipped with the fixed orifices, one of them side of the length other end of bar shaped plate is connected with the vertical board of vertical extension that makes progress, the mounting groove is located on the vertical board.
6. An inductor and transformer combination for increasing current carrying capacity as claimed in claim 5, wherein: and the other side face of the other end of the length of the strip-shaped plate is connected with a folded edge which vertically extends downwards, and the folded edge is provided with a positioning column which protrudes downwards.
7. An inductor and transformer combination for increasing current carrying capacity as claimed in claim 5 or 6, wherein: the second conductive support comprises a vertical part and a horizontal part horizontally bent from the lower end of the vertical part to the side face, the mounting groove is formed in the vertical part, and the horizontal part is provided with a connecting hole.
8. An inductor and transformer combination for increasing current carrying capacity as claimed in claim 1, wherein: the first leading-out end extends towards the radial outer side of the copper sheet ring.
9. An inductor and transformer combination for increasing current carrying capacity as claimed in claim 8, wherein: the second leading-out end comprises a radial part extending to the radial outside of the copper sheet ring and a tangential part which is perpendicular to the radial part and extends in the direction far away from the first leading-out end, and the through hole in the second leading-out end is arranged on the tangential part.
10. A combined inductor and transformer arrangement for increasing current carrying capacity according to any one of claims 1 to 9, further comprising: the middle wiring terminal is provided with a flange close to the bottom end, and the diameter of the flange is larger than that of the connecting hole.
CN202010393273.2A 2020-05-11 2020-05-11 Inductance and transformer combined device for increasing current bearing capacity Active CN111599581B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010393273.2A CN111599581B (en) 2020-05-11 2020-05-11 Inductance and transformer combined device for increasing current bearing capacity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010393273.2A CN111599581B (en) 2020-05-11 2020-05-11 Inductance and transformer combined device for increasing current bearing capacity

Publications (2)

Publication Number Publication Date
CN111599581A true CN111599581A (en) 2020-08-28
CN111599581B CN111599581B (en) 2024-08-30

Family

ID=72187042

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010393273.2A Active CN111599581B (en) 2020-05-11 2020-05-11 Inductance and transformer combined device for increasing current bearing capacity

Country Status (1)

Country Link
CN (1) CN111599581B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090293260A1 (en) * 2008-06-02 2009-12-03 Delta Electronics, Inc. Conductive winding structure, the fabricating method thereof, and the magnetic device having the same
CN110600241A (en) * 2019-09-03 2019-12-20 深圳振华富电子有限公司 Multi-way switch power supply transformer and preparation method thereof
CN110993294A (en) * 2019-12-09 2020-04-10 广东美信科技股份有限公司 Flat transformer and electric equipment
CN212084820U (en) * 2020-05-11 2020-12-04 海宁联丰东进电子有限公司 High-power vehicle-mounted charging combined transformer device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090293260A1 (en) * 2008-06-02 2009-12-03 Delta Electronics, Inc. Conductive winding structure, the fabricating method thereof, and the magnetic device having the same
CN110600241A (en) * 2019-09-03 2019-12-20 深圳振华富电子有限公司 Multi-way switch power supply transformer and preparation method thereof
CN110993294A (en) * 2019-12-09 2020-04-10 广东美信科技股份有限公司 Flat transformer and electric equipment
CN212084820U (en) * 2020-05-11 2020-12-04 海宁联丰东进电子有限公司 High-power vehicle-mounted charging combined transformer device

Also Published As

Publication number Publication date
CN111599581B (en) 2024-08-30

Similar Documents

Publication Publication Date Title
US10658101B2 (en) Transformer and power supply device including the same
CN101651008B (en) Inductor element
CN101840765B (en) Coil component, transformer and switching power supply unit
US6522230B2 (en) Chip-type common mode choke coil
US7656261B2 (en) Integrated magnetic device and conductive structure thereof
KR20100018548A (en) Miniature shielded magnetic component
WO2017213378A1 (en) Complex electronic component
EP4006928B1 (en) Planar transformer and switching power adapter
CN101170004A (en) Transformer
CN203706811U (en) Transformer assembly and power supply converter
CN212084820U (en) High-power vehicle-mounted charging combined transformer device
CN212032835U (en) Inductance assembly of high-power vehicle-mounted charging combined transformer device
CN212032855U (en) Transformer assembly of high-power vehicle-mounted charging transformer device
WO2012016420A1 (en) Wire connecting terminal for enameled wires
US10938256B2 (en) Motor stator and manufacturing method thereof
US20140097926A1 (en) Induction device
CN111599581A (en) Inductor and transformer combination device for increasing current carrying capacity
CN112216481A (en) Magnetic induction coil
CN217362700U (en) Stator module of three-phase motor and motor using same
CN220731315U (en) Inductance structure and integrated circuit
CN219085784U (en) High-frequency transformer
JP2971943B2 (en) Thin transformer
JP4930809B2 (en) Trance
CN212257136U (en) Transformer
CN218549610U (en) Wiring subassembly and have stator module of this wiring subassembly

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
GR01 Patent grant
GR01 Patent grant