CN217562374U - Integrated transformer with adjustable length - Google Patents
Integrated transformer with adjustable length Download PDFInfo
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- CN217562374U CN217562374U CN202220497503.4U CN202220497503U CN217562374U CN 217562374 U CN217562374 U CN 217562374U CN 202220497503 U CN202220497503 U CN 202220497503U CN 217562374 U CN217562374 U CN 217562374U
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Abstract
The utility model discloses an integrated transformer with adjustable length, which relates to the transformer field technology and comprises a first copper foil and a second copper foil, wherein the first copper foil is inserted into the second copper foil, and a primary winding is arranged on the second copper foil; the first copper foil and the second copper foil are made of copper foil materials and can be mutually nested and installed, the overall volume of the transformer is greatly reduced, the use of a traditional plastic framework is replaced, the primary winding adopts a square-pressing film-covered stranded wire, three layers of the square-pressing film-covered stranded wire are arranged from outside to inside, the requirements of pressure resistance and safety distance are met, the utilization rate of a winding slot is improved to about 95%, and the volume of the winding is greatly reduced; the power density of the device is improved, heat dissipation is facilitated, and the primary winding is matched with the first copper foil and the second copper foil, so that the product can achieve low leakage inductance.
Description
Technical Field
The utility model belongs to the technical field of the transformer and specifically relates to indicate an integrated transformer of adjustable length.
Background
At present, with the development of new energy automobiles, an all-in-one electric drive system becomes a trend, and the design of the all-in-one electric drive system tends to be integrated, small in volume and high in power density.
The traditional transformer has large volume, more parts, complex structure, inconvenient assembly and disassembly, low power density, high leakage inductance and high energy consumption; and the length of the winding framework is fixed, so that the winding framework can not be adjusted according to the requirements of transformers with different sizes.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides an integrated transformer of adjustable length, and it utilizes the square-pressing stranded wire to replace traditional primary's insulated wire on the one hand through primary and primary's design, and on the other hand two copper foil pieces are buckled and are enclosed into the use of rectangle tubulose in order to replace traditional skeleton to realize satisfying the purpose of little volume high power.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an integrated transformer with adjustable length comprises a first copper foil, a second copper foil, a first winding framework and a second winding framework; the first copper foil is inserted into the second copper foil, and a primary winding is arranged on the second copper foil; a coil winding framework is arranged on the outer side of the second winding framework, and a coil winding is arranged on the coil winding framework; connecting wires are arranged on the primary winding and the coil winding, and the connecting wires are connected with the connecting wires through pins; the first copper foil and the second copper foil jointly form a secondary winding, the secondary winding is installed on a winding framework in a matched mode, and the winding framework comprises a first winding framework and a second winding framework;
the first winding framework comprises a first framework body, an insertion pipe is arranged in the first framework body, and insertion grooves are formed in two sides of the first framework body, which are close to the surface of the second winding framework;
the second winding framework comprises a second framework body, a plug-in column which can be plugged in the plug-in pipe is arranged in the middle of the inner side of the second framework body, and plug-in boards which can be plugged in the plug-in grooves are arranged on two sides of the plug-in column.
As a preferable scheme, the primary winding and the coil winding are both square film-wrapped stranded wires, and the square film-wrapped stranded wires are provided with three layers from outside to inside.
As a preferable scheme, 11 lines of square film-wrapped stranded wires in the primary winding are arranged; 3 square film-covered stranded wires in the coil winding are arranged.
As a preferred scheme, a second clamping fixing plate and a first clamping fixing plate are respectively arranged between the first copper foil and the primary winding, and between the second copper foil and the primary winding.
As a preferred scheme, first joint fixed plate and second joint fixed plate all be provided with two to be the symmetrical formula setting.
As a preferable scheme, the first copper foil comprises a first main body, the first main body is arranged in a rectangular tube shape, and an opening is formed below one side of the first main body;
one end of the first main body, which is far away from the primary winding, is provided with a first secondary side and a third secondary side, wherein the first secondary side is positioned above the third secondary side, and the first secondary side and the third secondary side are both arranged in an L shape;
a second auxiliary edge is arranged between the first auxiliary edge and the third auxiliary edge and is fixed on the side edge of the end part of the first main body;
first vice limit and the vice edge of second seted up the first joint groove of being convenient for first joint fixed plate joint is fixed.
As a preferable scheme, the second copper foil comprises a second main body, the second main body is arranged in a rectangular tube shape, an open slot is formed below one side of the second main body, and the opening direction of the open slot is opposite to that of the open slot on the first main body.
As a preferable scheme, one end of the second main body, which is close to the first main body, is provided with a first side edge and a third side edge, and the other end of the second main body is provided with a second side edge and a second clamping groove; first side, second side and third side all set up the fixed second joint groove of first joint fixed plate joint of being convenient for.
Compared with the prior art, the utility model obvious advantage and beneficial effect have:
1. in the utility model, the first copper foil and the second copper foil are made of copper foil materials and can be mutually nested and installed, the overall volume of the transformer is greatly reduced, the use of the traditional plastic framework is replaced, the primary winding adopts the square pressing film-covered stranded wire, three layers are arranged from outside to inside of the square pressing film-covered stranded wire, the requirement on pressure resistance and safety distance is met, the utilization rate of the winding slot is improved to about 95 percent, and the winding volume is greatly reduced; the power density of the device is improved, heat dissipation is facilitated, and the primary winding is matched with the first copper foil and the second copper foil, so that the product can achieve low leakage inductance;
2. in the utility model, the first clamping groove and the second clamping groove are respectively arranged in the first copper foil and the second copper foil, which can be clamped and fixed with the salient points on the first clamping fixing plate and the second clamping fixing plate, thereby greatly improving the dismounting efficiency;
3. in the utility model, the size of the components is reduced, the power density is improved, the heat dispersion performance is excellent, and the stability is good;
4. the utility model discloses in, because the power of transformer is different, the specification that primary set for is also different, for guaranteeing that the winding skeleton can satisfy different power transformer's use, first winding skeleton and second winding skeleton set up to the plug-in type for this reason to can carry out the interval adjustment, with improvement application scope.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of a part of the structure of the present invention;
fig. 2 is a bottom view of fig. 1 of the present invention;
fig. 3 is an exploded view of fig. 1 of the present invention;
fig. 4 is a bottom view of fig. 3 according to the present invention;
fig. 5 is a schematic view of a first copper foil structure of the present invention;
fig. 6 is a schematic view of a second copper foil structure of the present invention;
fig. 7 is a left side view of fig. 5 in the present invention;
fig. 8 is a left side view of fig. 6 in the present invention;
FIG. 9 is a schematic structural view of a second clamping fixing plate of the present invention;
FIG. 10 is a schematic view of the assembly of the present invention;
fig. 11 is a schematic diagram of the winding skeleton structure of the present invention.
The attached drawings indicate the following:
1. first copper foil 2 and second copper foil
3. Primary winding 4, first joint fixed plate
5. Second clamping fixing plate 6 and coil winding framework
7. Coil winding 8 and connecting wire
9. Pin 11, first main part
12. A first minor edge 13 and a second minor edge
14. Third secondary side 15 and first clamping groove
21. Second body 22, first side
23. Second side 24 and second clamping groove
25. Third side 101 and first winding framework
102. Second winding framework 1011 and first framework body
1012. Insertion groove 1013 and insertion pipe
1021. Second framework body 1022 and plug-in column
1023. A plugboard.
Detailed Description
Fig. 1 to 11 show specific structures of embodiments of the present invention.
An integrated transformer with adjustable length comprises a first copper foil 1, a second copper foil 2, a first winding framework 101 and a second winding framework 102; the first copper foil 1 is inserted into the second copper foil 2, and the second copper foil 2 is provided with a primary winding 3; a coil winding framework 6 is arranged on the outer side of the second winding framework 102, and a coil winding 7 is arranged on the coil winding framework 6; the primary winding 3 and the coil winding 7 are both provided with connecting wires 8, and the connecting wires 8 are connected with the connecting wires 8 through pins 9; the first copper foil 1 and the second copper foil 2 jointly form a secondary winding, the secondary winding is installed on a winding framework in a matched mode, and the winding framework comprises a first winding framework 101 and a second winding framework 102;
the first winding framework 101 comprises a first framework body 1011, an insertion pipe 1013 is arranged in the first framework body 1011, and insertion grooves 1012 are arranged on two sides of the first framework body 1011, which are close to the surface of the second winding framework 102;
the second winding frame 102 includes a second frame 1021, a plugging column 1022 capable of being plugged into the plugging tube 1013 is disposed at a middle position of an inner side of the second frame 1021, and plugging plates 1023 capable of being plugged into the plugging grooves 1012 are disposed at two sides of the plugging column 1022.
By adopting the technical scheme, when the winding frame is installed, the first winding frame 101 and the second winding frame 102 are respectively inserted from the outer sides of the first copper foil 1 and the second copper foil 2, at the moment, the inserting column 1022 on the second frame 1021 is inserted into the inserting pipe 1013 on the first winding frame 101, and the inserting plates 1023 on two sides are inserted into the inserting grooves 1012 on two sides of the first frame 1011, so that the winding frame is fixed, because of different transformer powers, the number of turns set for the primary winding 3 is different, the length adjustment can be realized by changing the matching degree of the first winding frame 101 and the second winding frame 102, and the installation requirements of transformers with different powers can be met.
An inductor is arranged on one side, far away from the second winding framework 102, of the first winding framework 101.
By adopting the technical scheme, the first copper foil 1 and the second copper foil 2 are made of copper foil materials and can be mutually nested and installed, the overall volume of the transformer is greatly reduced, the use of the traditional plastic framework is replaced, the primary winding 3 adopts a square pressing film-covered stranded wire, three layers of the square pressing film-covered stranded wire are arranged from outside to inside, the requirements of pressure resistance and safety distance are met, the utilization rate of a winding slot is improved to about 95 percent, and the volume of the winding is greatly reduced; the power density of the device is improved, meanwhile, heat dissipation is facilitated, and the primary winding 3 is matched with the first copper foil 1 and the second copper foil 2, so that the product can achieve low leakage inductance.
In this embodiment, the primary winding 3 and the coil winding 7 are both square film-wrapped stranded wires, and the square film-wrapped stranded wires are provided with three layers from outside to inside.
In this embodiment, 11 pieces of square film-wrapped stranded wires are arranged in the primary winding 3; 3 square film-covered stranded wires in the coil winding 7 are distributed in a whole.
In this embodiment, a second clamping fixing plate 5 and a first clamping fixing plate 4 are respectively arranged between the first copper foil 1 and the primary winding 3, and between the second copper foil 2 and the primary winding 3.
Through adopting above-mentioned technical scheme, be equipped with first joint groove 15 and second joint groove 24 respectively in first copper foil 1 and the second copper foil 2 and can carry out the joint with the bump on first joint fixed plate 4 and the second joint fixed plate 5 and fix, very big improvement dismouting efficiency.
In this embodiment, the first clamping fixing plate 4 and the second clamping fixing plate 5 are both provided with two clamping fixing plates, and are symmetrically arranged.
In this embodiment, the first copper foil 1 includes a first main body 11, the first main body 11 is disposed in a rectangular tube shape, and is opened below one side of the first main body 11;
one end of the first main body 11, which is far away from the primary winding 3, is provided with a first secondary side 12 and a third secondary side 14, wherein the first secondary side 12 is located above the third secondary side 14, and the first secondary side 12 and the third secondary side 14 are both arranged in an L shape;
a second minor edge 13 is arranged between the first minor edge 12 and the third minor edge 14, and the second minor edge 13 is fixed on the side edge of the end part of the first main body 11;
In this embodiment, the second copper foil 2 includes a second main body 21, the second main body 21 is disposed in a rectangular tube shape, and an opening groove is formed below one side of the second main body 21, and the opening direction of the opening groove is opposite to the opening direction of the first main body 11.
In this embodiment, one end of the second body 21 close to the first body 11 is provided with a first side 22 and a third side 25, and the other end is provided with a second side 23 and a second clamping groove 24; first side 22, second side 23 and third side 25 all offer the second joint groove 24 that the 4 joint of first joint fixed plate of being convenient for is fixed.
The utility model discloses a design key point lies in, first copper foil 1 and second copper foil 2 are made by the copper foil material, can the nested installation each other, very big reduction the holistic volume of transformer, replaced the use of traditional plastics skeleton, primary winding 3 adopts the side of pressing membrane package stranded conductor, and the side of pressing membrane package stranded conductor is provided with the three-layer from outside to inside, when satisfying withstand voltage and ann rule distance requirement, the utilization ratio in winding groove improves to about 95%, the very big winding volume that reduces; the power density of the device is improved, heat dissipation is facilitated, and the primary winding 3 is matched with the first copper foil 1 and the second copper foil 2, so that the product can achieve low leakage inductance; the first clamping groove 15 and the second clamping groove 24 are respectively arranged in the first copper foil 1 and the second copper foil 2 and can be clamped and fixed with the salient points on the first clamping fixing plate 4 and the second clamping fixing plate 5, so that the dismounting efficiency is greatly improved; the utility model has the advantages of reduced size of components, improved power density, good heat dissipation performance, and good stability; because the power of the transformer is different, the specification set by the primary winding is also different, and in order to ensure that the winding framework can meet the use requirements of transformers with different powers, the first winding framework 101 and the second winding framework 102 are arranged in a plug-in mode, and the distance can be adjusted, so that the application range is widened.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. An integrated transformer with adjustable length, which is characterized in that: the winding comprises a first copper foil, a second copper foil, a first winding framework and a second winding framework; the first copper foil is inserted into the second copper foil, and a primary winding is arranged on the second copper foil; a coil winding framework is arranged on the outer side of the second winding framework, and a coil winding is arranged on the coil winding framework; connecting wires are arranged on the primary winding and the coil winding, and the connecting wires are connected with the connecting wires through pins; the first copper foil and the second copper foil jointly form a secondary winding, the secondary winding is installed on a winding framework in a matched mode, and the winding framework comprises a first winding framework and a second winding framework;
the first winding framework comprises a first framework body, an insertion pipe is arranged in the first framework body, and insertion grooves are formed in two sides of the first framework body, which are close to the surface of the second winding framework;
the second winding framework comprises a second framework body, a plug-in column which can be plugged in the plug-in pipe is arranged in the middle of the inner side of the second framework body, and plug-in boards which can be plugged in the plug-in grooves are arranged on two sides of the plug-in column.
2. A length-adjustable integrated transformer according to claim 1, characterized in that: the primary winding and the coil winding are both square-pressing film-wrapped stranded wires, and the three layers of the square-pressing film-wrapped stranded wires are arranged from outside to inside.
3. A length-adjustable integrated transformer according to claim 2, characterized in that: 11 square film-covered stranded wires in the primary winding are distributed in total; 3 square pressing film-coated stranded wires in the coil winding are distributed.
4. A length-adjustable integrated transformer according to claim 1, characterized in that: and a second clamping fixing plate and a first clamping fixing plate are respectively arranged between the first copper foil and the primary winding and between the second copper foil and the primary winding.
5. A length-adjustable integrated transformer according to claim 4, characterized in that: first joint fixed plate and second joint fixed plate all be provided with two to be the symmetrical formula setting.
6. An integrated transformer with adjustable length according to claim 5, characterized in that: the first copper foil comprises a first main body, the first main body is arranged in a rectangular tubular shape, and an opening is formed below one side of the first main body;
one end of the first main body, which is far away from the primary winding, is provided with a first secondary side and a third secondary side, wherein the first secondary side is positioned above the third secondary side, and the first secondary side and the third secondary side are both arranged in an L shape;
a second auxiliary edge is arranged between the first auxiliary edge and the third auxiliary edge and is fixed on the side edge of the end part of the first main body;
first vice limit and the vice edge of second seted up the first joint groove of being convenient for first joint fixed plate joint is fixed.
7. A length-adjustable integrated transformer according to claim 3, wherein: the second copper foil comprises a second main body, the second main body is arranged in a rectangular tubular shape, an open slot is formed below one side of the second main body, and the opening direction of the open slot is opposite to that of the open slot on the first main body.
8. An integrated transformer with adjustable length according to claim 7, characterized in that: one end of the second main body, which is close to the first main body, is provided with a first side edge and a third side edge, and the other end of the second main body is provided with a second side edge and a second clamping groove; first side, second side and third side all set up the fixed second joint groove of first joint fixed plate joint of being convenient for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220497503.4U CN217562374U (en) | 2022-03-07 | 2022-03-07 | Integrated transformer with adjustable length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220497503.4U CN217562374U (en) | 2022-03-07 | 2022-03-07 | Integrated transformer with adjustable length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217562374U true CN217562374U (en) | 2022-10-11 |
Family
ID=83468662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220497503.4U Active CN217562374U (en) | 2022-03-07 | 2022-03-07 | Integrated transformer with adjustable length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217562374U (en) |
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2022
- 2022-03-07 CN CN202220497503.4U patent/CN217562374U/en active Active
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