CN212032855U - Transformer assembly of high-power vehicle-mounted charging transformer device - Google Patents
Transformer assembly of high-power vehicle-mounted charging transformer device Download PDFInfo
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- CN212032855U CN212032855U CN202020768422.4U CN202020768422U CN212032855U CN 212032855 U CN212032855 U CN 212032855U CN 202020768422 U CN202020768422 U CN 202020768422U CN 212032855 U CN212032855 U CN 212032855U
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- copper sheet
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- power vehicle
- mounted charging
- transformer
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Abstract
The utility model discloses a transformer subassembly of high-power on-vehicle charging transformer device, including coil winding, coil winding includes primary winding and secondary winding, primary winding includes the cake of a plurality of range upon range of settings, the cake of a thread adopts the insulating copper line coiling to form, and the first leading-out line head of all cakes of a thread links together, and the second leading-out line head of all cakes of a thread links together; the secondary winding comprises a plurality of copper sheet rings which are arranged in a stacked mode, and one copper sheet ring is arranged between two adjacent wire cakes. The utility model discloses a mode that line cake and copper sheet ring combined increases the wire winding space, raises 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.
Description
Technical Field
The utility model relates to an electronic components, concretely relates to 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.
The combination of the inductance assembly and the transformer assembly can increase the current bearing capacity and meet the requirements of high power and high current of the high-power vehicle-mounted charging combined transformer.
However, the transformer assembly generally adopts a coil winding mode, which is not favorable for heat dissipation and power increase.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a transformer assembly of high-power vehicle-mounted charging transformer device is provided, does benefit to the heat dissipation and raises the power.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the transformer assembly of the high-power vehicle-mounted charging transformer device comprises a coil winding, wherein 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, a first leading-out end and a second leading-out end of each copper sheet ring are located on two sides of an opening of each copper sheet ring and are provided with a leading-out hole, the horizontal projections of the leading-out 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 leading-out holes on all the second leading-out ends located 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 leading-out holes on all the second leading-out ends located on the other; and the copper sheet ring is arranged between the two adjacent wire cakes.
Preferably, the wire cake is of a single-layer multi-turn structure.
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 projection center points of the exit holes on all the copper sheet rings on the horizontal plane are located on the same straight line.
Preferably, the copper sheet ring is externally coated with an insulating adhesive tape.
Preferably, the cake is a single layer structure.
Preferably, the thread cake is tightly tied by using an insulating tightening adhesive tape at a position close to the two outlet ends.
Preferably, the intermediate terminal is provided with a flange near the bottom end.
Preferably, the number of the wire cakes is three, and the number of the copper sheet rings is two.
The utility model discloses a technical scheme, following beneficial effect has:
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.
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.
The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
fig. 1 is a front view of the high-power vehicle-mounted charging combined transformer of the present invention;
fig. 2 is a top view of the high-power vehicle-mounted charging combined transformer of the present invention;
fig. 3 is a schematic structural view of a first conductive bracket of the present invention;
fig. 4 is a schematic structural view of a second conductive support of 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 structural view of a copper sheet ring according to the present invention;
FIG. 7 is a schematic structural view of the copper sheets of the present invention after being stacked;
fig. 8 is a schematic structural view of the Chinese traditional pancake of the present invention;
fig. 9 is a schematic structural view of a middle binding post of the present invention;
fig. 10 is a schematic structural view of a side terminal of 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 accompanying drawings in conjunction with embodiments.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 10, a high-power vehicle-mounted charging combination transformer device 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 utility model discloses a high-power on-vehicle combination transformer device that charges is the integral mounting on the circuit board, reference column 115 can with the circuit board on the locating hole cooperation, realize the location, and realize fixing a position the back, because hem 114 supports and leans on the circuit board, have the interval space between bar 111 and the circuit board, therefore can make and form certain heat dissipation space between inductance component 1 and its transformer subassembly 2 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.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. 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. The transformer assembly of the high-power vehicle-mounted charging transformer device comprises a coil winding, wherein the coil winding comprises a primary winding and a secondary winding, and is characterized in that: 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 lines of all the wire cakes are connected together, and second outgoing lines 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, a first leading-out end and a second leading-out end of each copper sheet ring are located on two sides of an opening of each copper sheet ring and are provided with a leading-out hole, the horizontal projections of the leading-out 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 leading-out holes on all the second leading-out ends located 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 leading-out holes on all the second leading-out ends located on the other; and the copper sheet ring is arranged between the two adjacent wire cakes.
2. The transformer assembly of the high power vehicle-mounted charging transformer device according to claim 1, wherein: the copper sheet ring is of a single-layer structure.
3. The transformer assembly of the high power vehicle-mounted charging transformer device according to claim 2, wherein: the first leading-out end extends towards the radial outer side of the copper sheet ring.
4. The transformer assembly of the high power vehicle-mounted charging transformer device according to claim 3, wherein: the second leading-out end comprises a radial part extending towards the radial outer side of the copper sheet ring and a tangential part which is perpendicular to the radial part and extends towards the direction far away from the first leading-out end, and a receiving hole in the second leading-out end is formed in the tangential part.
5. The transformer assembly of the high power vehicle-mounted charging transformer device according to claim 4, wherein: the projection central points of the connecting holes on the copper sheet rings on the horizontal plane are positioned on the same straight line.
6. The transformer assembly of the high power vehicle-mounted charging transformer device according to claim 2, wherein: and an insulating adhesive tape is coated outside the copper sheet ring.
7. The transformer assembly of the high power vehicle-mounted charging transformer device according to claim 1, wherein: the wire cake is of a single-layer multi-turn structure.
8. The transformer assembly of the high power vehicle-mounted charging transformer device according to claim 7, wherein: the wire cake is tightened by adopting an insulating tightening adhesive tape at the position close to the two outgoing lines.
9. The transformer assembly of the high power vehicle charging transformer device according to any one of claims 1 to 8, wherein: and a flange is arranged at the position, close to the bottom end, of the middle wiring terminal.
10. The transformer assembly of the high power vehicle-mounted charging transformer device according to claim 9, wherein: the number of the wire cakes is three, and the number of the copper sheets is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020768422.4U CN212032855U (en) | 2020-05-11 | 2020-05-11 | Transformer assembly of high-power vehicle-mounted charging transformer device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020768422.4U CN212032855U (en) | 2020-05-11 | 2020-05-11 | Transformer assembly of high-power vehicle-mounted charging transformer device |
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| CN212032855U true CN212032855U (en) | 2020-11-27 |
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| CN202020768422.4U Active CN212032855U (en) | 2020-05-11 | 2020-05-11 | Transformer assembly of high-power vehicle-mounted charging transformer device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116721842A (en) * | 2023-08-08 | 2023-09-08 | 常州飞阳电子科技有限公司 | Transformer for inverter and manufacturing process |
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2020
- 2020-05-11 CN CN202020768422.4U patent/CN212032855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116721842A (en) * | 2023-08-08 | 2023-09-08 | 常州飞阳电子科技有限公司 | Transformer for inverter and manufacturing process |
| CN116721842B (en) * | 2023-08-08 | 2023-11-07 | 常州飞阳电子科技有限公司 | Transformer for inverter and manufacturing process |
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