CN217061723U - Transformer integrated with resonant inductor - Google Patents
Transformer integrated with resonant inductor Download PDFInfo
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- CN217061723U CN217061723U CN202220679931.9U CN202220679931U CN217061723U CN 217061723 U CN217061723 U CN 217061723U CN 202220679931 U CN202220679931 U CN 202220679931U CN 217061723 U CN217061723 U CN 217061723U
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Abstract
The utility model provides a transformer integrated with resonance inductance, which comprises a base, and a transformer component and a resonance inductance component which are arranged on the base side by side; the end part of the base at one side of the transformer assembly is provided with a first wire collecting groove and a second wire collecting groove which are used for collecting a first lead wire and a second lead wire of a first coil winding respectively, and the base below each laminated copper sheet winding is provided with a first through hole, a second through hole and a third through hole which are used for three wiring terminals of the laminated copper sheet winding to pass through respectively; a fourth through hole and a fifth through hole which are used for 2 leads of the second coil winding to pass through are formed in the base below the resonance inductance component, a public connection copper sheet is arranged below the second through hole and the fourth through hole, and the leads of the second coil winding are conducted with the second wiring terminals of the N laminated copper sheet windings through the public connection copper sheet. The utility model discloses a transformer has integrateed resonance inductance, compact structure, and unified from the wiring of base bottom, and the installation is simpler.
Description
Technical Field
The utility model relates to a transformer technical field, in particular to integrated transformer that has resonance inductance.
Background
The transformer and the inductor mainly play a role in generating resonance, electrically insulating and isolating, converting voltage and energy and are widely applied, the traditional design of adding an independent resonance inductor and an independent transformer is mainly used in a plurality of high-frequency high-power DC/DC circuits or LLC half-bridge and full-bridge DC/DC conversion circuits in most automobile OBC charging pile circuits, the traditional design mainly comprises the steps of respectively and independently designing the resonance inductor and the transformer and installing the resonance inductor in a fixed area in a PCB (printed circuit board), so that the independent installation space must be reserved in the PCB design so as to be limited by the application space, and in addition, the cost is higher due to large volume and much consumed materials; on the other hand, when the traditional single resonance inductor and the single transformer are designed, the output end of the resonance inductor and the primary end of the transformer need to consider the short circuit of an additional connecting wire or use a connecting terminal for short circuit, so that more working hours and higher cost are needed for maintenance, and the market competition is not facilitated. Therefore, it is necessary to design a transformer and a resonant electromagnetic induction integrated structure.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure, it is small, the light and handy integration of being convenient for user's installation has resonant inductance's transformer.
The technical scheme of the utility model as follows:
a transformer integrated with a resonant inductor comprises a transformer assembly, a resonant inductor assembly and a base for bearing the transformer assembly and the resonant inductor assembly; the transformer assembly comprises a pair of transformer magnetic cores, N +1 laminated copper sheet windings and N first coil windings; the resonant inductor assembly comprises a pair of inductor cores and a second coil winding;
the transformer assembly and the resonance inductance assembly are arranged on the base side by side, a first wire collecting groove and a second wire collecting groove which are used for collecting a first lead and a second lead of the first coil winding respectively are formed in the end portion of the base on one side of the transformer assembly, and a first wiring terminal, a second wiring terminal and a third wiring terminal which are used for the laminated copper sheet windings to penetrate through a first through hole, a second through hole and a third through hole respectively are formed in the base below each laminated copper sheet winding;
a fourth through hole and a fifth through hole which are used for a third lead wire and a fourth lead wire of the second coil winding to penetrate through are formed in the base below the resonance inductance component, a public connection copper sheet is arranged below the second through hole and the fourth through hole, and the third lead wire of the second coil winding is conducted with the second wiring terminals of the N +1 laminated copper sheet windings through the public connection copper sheet.
In an optional embodiment of the present invention, the laminated copper sheet winding includes a first copper sheet and a second copper sheet stacked on each other, the first copper sheet and the second copper sheet both include an annular copper sheet body with a notch, and the annular copper sheet bodies on both sides of the notch are respectively provided with a first pin and a second pin extending outwards; after the first copper sheet and the second copper sheet are stacked, the first pin of the first copper sheet and the first pin of the second copper sheet form a second wiring terminal; the second pin of the first copper sheet forms the first wiring terminal; the second pin of the second copper sheet forms the third wiring terminal.
The utility model discloses an in an optional implementation mode, stromatolite copper sheet winding still includes first insulation paper layer, second insulation paper layer and the third insulation paper layer that the interval set up, first copper sheet clamp is established first insulation paper layer with between the second insulation paper layer, the second copper sheet clamp is established second insulation paper layer with between the third insulation paper layer.
In an optional embodiment of the present invention, the ring-shaped copper sheet body opposite to the center of the gap is outwardly extended and bent to form a lug for assisting the heat dissipation of the transformer.
In an optional embodiment of the present invention, a first groove adapted to the shape of the laminated copper sheet winding and the first coil winding is disposed on the base below the transformer assembly; and a second groove matched with the shape of the second coil winding is arranged on the base below the resonance inductance component.
In an alternative embodiment of the present invention, the first coil winding is a circular coil winding, and the second coil winding is a flat coil winding.
In an alternative embodiment of the present invention, the base is provided with a guard plate for isolating the transformer assembly from the resonant inductor assembly.
The utility model discloses an in the optional embodiment, N +1 stromatolite copper sheet winding and N first coil winding is according to 2 stromatolite copper sheet winding presss from both sides 1 the mode of first coil winding is worn to establish on a pair of magnetic transformer core's the center post.
The utility model relates to an in the optional embodiment, be provided with first line concentration terminal in the first line concentration groove, be provided with second line concentration terminal in the second line concentration groove, first line concentration terminal with second line concentration terminal all includes criss-cross grafting portion and sets up the wire rod ligature portion on grafting portion top, first line concentration terminal grafting portion runs through the bottom setting in first line concentration groove, second line concentration terminal grafting portion runs through the bottom setting in second line concentration groove.
In an alternative embodiment of the present invention, the common connection copper plate is L-shaped.
The beneficial effects are that: the utility model provides a transformer integrated with resonance inductance, which comprises a base, and a transformer component and a resonance inductance component which are arranged on the base side by side; the end part of the base on one side of the transformer assembly is provided with a first wire collecting groove and a second wire collecting groove which are used for collecting a first lead and a second lead of a first coil winding respectively, and the base below each laminated copper sheet winding is provided with a first through hole, a second through hole and a third through hole which are used for three wiring terminals of the laminated copper sheet winding to pass through respectively; a fourth through hole and a fifth through hole which are used for 2 leads of the second coil winding to pass through are formed in the base below the resonance inductance component, a public connection copper sheet is arranged below the second through hole and the fourth through hole, and the leads of the second coil winding are conducted with the second wiring terminals of the N laminated copper sheet windings through the public connection copper sheet. The utility model discloses a transformer has integrateed resonance inductance, compact structure, and unified from the wiring of base bottom, and the installation is simpler.
Drawings
Fig. 1 is the utility model discloses a transformer assembled's structure schematic diagram that integrates to have resonance inductance.
Fig. 2 is an exploded view of a transformer integrated with a resonant inductor at a first viewing angle according to the present invention.
Fig. 3 is an exploded view of a transformer integrated with a resonant inductor at a second viewing angle according to the present invention.
Fig. 4 is a schematic diagram of a bottom structure of the transformer integrated with a resonant inductor of the present invention.
Fig. 5 is a schematic circuit diagram of the transformer integrated with resonant inductor according to the present invention.
Fig. 6 is an exploded view of a laminated copper sheet winding according to the present invention.
Fig. 7 is a schematic structural diagram of a first line concentrating terminal according to the present invention.
The reference numbers are as follows:
10-a transformer assembly; 20-a resonant inductive component; 30-a base; 40-transformer core; 50-a laminated copper sheet winding; 60-a first coil winding; 70-an inductor core; 80-second coil winding; 90-a first lead; 100-a second lead; 110-a first trunking; 120-a second trunking; 130-a first connection terminal; 140-a second connection terminal; 150-a third connection terminal; 160-a first via; 170-a second via; 180-a third via; 190-a third lead; 200-a fourth lead; 210-a fourth via; 220-fifth via; 230-common connection copper sheet; 240-a first copper sheet; 250-a second copper sheet; 260-notch; 270-an annular copper sheet body; 280-a first pin; 290-a second pin; 300-a first insulating paper layer; 310-a second insulating paper layer; 320-a third insulation paper layer; 330-ear; 340-a first groove; 350-a second groove; 360-guard board; 370-a first hub terminal; 380-second line concentration terminal; 390-a plug-in part; 400-wire binding part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a transformer integrated with a resonant inductor, including a transformer assembly 10, a resonant inductor assembly 20, and a base 30 for carrying the transformer assembly 10 and the resonant inductor assembly 20, wherein the transformer assembly 10 and the resonant inductor assembly 20 can be adhered to the base 30; referring to fig. 2 and 3, the transformer assembly 10 includes a pair of transformer cores 40, N +1 laminated copper sheet windings 50, and N first coil windings 60; wherein, N +1 of the laminated copper sheet windings 50 and N of the first coil windings 60 are inserted into the center posts of the pair of transformer cores 40 in a manner that 2 of the laminated copper sheet windings 50 sandwich 1 of the first coil windings 60 (i.e. the laminated copper sheet windings 50, one first coil winding 60, and one laminated copper sheet winding 50, and one first coil winding 60 are repeatedly arranged in sequence until the last laminated copper sheet winding 50 is finished), and the resonant inductance component 20 includes a pair of inductance cores 70 and a second coil winding 80; in an alternative embodiment of the present invention, the first coil winding 60 is a circular coil winding, and the second coil winding 80 is a flat coil winding;
referring to fig. 1, the transformer assembly 10 and the resonant inductor assembly 20 are disposed side by side on the base 30, the end of the base 30 on one side of the transformer assembly 10 is provided with a first wire collecting groove 110 and a second wire collecting groove 120 for respectively collecting the first lead 90 and the second lead 100 of the first coil winding 60 (i.e. the first lead 90 of the same polarity of all the first coil windings 60 and the second lead 100 of the same polarity of all the first coil windings 60 are respectively collected and connected to be uniformly supplied with power), referring to fig. 2, the base 30 below each laminated copper sheet winding 50 is provided with a first wire connecting terminal 130, a second wire connecting terminal 140 and a third wire connecting terminal 150 for the laminated copper sheet winding 50 to pass through a first through hole 160, a second through hole 170 and a third through hole 180, in this embodiment, the first through hole 160, the second through hole 170 and the third through hole 180 are provided with N +1 rows on the base 30, namely, there are N +1 first through holes 160, N +1 second through holes 170, and N +1 third through holes 180, and the laminated copper sheet winding 50 is used as the output end of the transformer after voltage increase or voltage reduction, and also as the heat dissipation component in the transformer;
referring to fig. 3, a fourth through hole 210 and a fifth through hole 220 are formed in the base 30 below the resonant inductor assembly 20, the fourth through hole 210 and the fifth through hole 220 are respectively used for a third lead 190 and a fourth lead 200 of the second coil winding 80 to pass through, referring to fig. 4, a common connection copper sheet 230 is disposed below the second through hole 170 and the fourth through hole 210, the third lead 190 of the second coil winding 80 is conducted with the second connection terminals 140 of the N +1 laminated copper sheet windings 50 through the common connection copper sheet 230, and the common connection copper sheet 230 is L-shaped. In this embodiment, public connection copper sheet 230 covers N +1 through-holes on the base 10, and public connection copper sheet 230 is except connecting third lead wire 190 and N +1 second binding post 140, also is used for assisting inside the dispelling of heat of transformer subassembly 10 simultaneously, the utility model discloses a transformer has integrated resonant inductance, and its circuit principle is as shown in fig. 5, the utility model discloses a transformer compact structure, and unified from base bottom wiring, the installation is simpler.
Referring to fig. 6, in an alternative embodiment of the present invention, the laminated copper sheet winding 50 includes a first copper sheet 240 and a second copper sheet 250 laminated to each other, the first copper sheet 240 and the second copper sheet 250 each include an annular copper sheet body 270 having a notch 260, and first pins 280 and second pins 290 are respectively extended from the annular copper sheet body 270 on both sides of the notch 260; after the first copper sheet 240 and the second copper sheet 250 are laminated, the first pin 280 of the first copper sheet 240 and the first pin 280 of the second copper sheet 250 form the second connection terminal 140; the second pin 290 of the first copper sheet 240 constitutes the first connection terminal; the second pin 290 of the second copper sheet 250 constitutes the third connection terminal 150. In this embodiment, the shape of the first copper sheet 240 is completely the same as the shape of the second copper sheet 250, and when stacking, the back surface of the first copper sheet 240 is attached to the back surface of the second copper sheet 250, so that the first lead 280 of the first copper sheet 240 and the first lead 280 of the second copper sheet 250 are overlapped.
Referring to fig. 6, in an alternative embodiment of the present invention, the laminated copper sheet winding 50 further includes a first insulating paper layer 300, a second insulating paper layer 310 and a third insulating paper layer 320, which are disposed at intervals, the first copper sheet 240 is sandwiched between the first insulating paper layer 300 and the second insulating paper layer 310, and the second copper sheet 250 is sandwiched between the second insulating paper layer 310 and the third insulating paper layer 320. In this embodiment, the insulating paper layer is a nomex paper layer.
Referring to fig. 6, in an alternative embodiment of the present invention, a tab 330 for assisting the heat dissipation of the transformer is formed on the annular copper sheet body 270 opposite to the center of the notch 260 and is bent and extended outwards. In the present embodiment, the direction of the lug 330 on the first copper sheet 240 is opposite to that of the lug 330 on the second copper sheet 250, that is, the lug is symmetrically arranged with respect to the abutting surface of the first copper sheet 240 and the second copper sheet 250.
Referring to fig. 2, in an alternative embodiment of the present invention, a first groove 340 adapted to the shape of the laminated copper sheet winding 50 and the first coil winding 60 is disposed on the base 30 below the transformer assembly 10; a second groove 350 adapted to the shape of the second coil winding 80 is disposed on the base 10 below the resonant inductor assembly 20. In this embodiment, the bottom surfaces of the first and second grooves 340 and 350 are both arc-shaped.
Referring to fig. 3, in an alternative embodiment of the present invention, a guard plate 360 is disposed on the base 30 for isolating the transformer assembly 10 from the resonant inductor assembly 20. In this embodiment, since the transformer assembly 10 is relatively large in volume, the shield 360 forms a box-like structure for accommodating and fixing the transformer assembly 10 while isolating the transformer assembly 10 from the resonant inductor assembly 20.
Referring to fig. 2, in an optional embodiment of the present invention, a first line concentrating terminal 370 is disposed in the first line concentrating groove 110, a second line concentrating terminal 380 is disposed in the second line concentrating groove 120, referring to fig. 6, the first line concentrating terminal 370 and the second line concentrating terminal 380 each include a cross-shaped insertion portion 390 and a line binding portion 400 disposed at the top end of the insertion portion 390, the insertion portion 390 of the first line concentrating terminal 370 runs through the bottom of the first line concentrating groove 110, and the insertion portion 390 of the second line concentrating terminal 380 runs through the bottom of the second line concentrating groove 120. In this embodiment, the N first lead wires 90 and the N second lead wires 100 of the first coil winding 60 of the transformer assembly 10 concentrate the power through the first line concentrating terminal 370 and the second line concentrating terminal 380, so that the lines are more regular and indirect, and the appearance of the transformer is more beautiful.
To sum up, the utility model provides a transformer integrated with resonance inductance, which comprises a base, a transformer component and a resonance inductance component, wherein the transformer component and the resonance inductance component are arranged on the base side by side; the end part of the base at one side of the transformer assembly is provided with a first wire collecting groove and a second wire collecting groove which are used for collecting a first lead wire and a second lead wire of a first coil winding respectively, and the base below each laminated copper sheet winding is provided with a first through hole, a second through hole and a third through hole which are used for three wiring terminals of the laminated copper sheet winding to pass through respectively; a fourth through hole and a fifth through hole which are used for the 2 leads of the second coil winding to pass through are formed in the base below the resonance inductance component, a public connection copper sheet is arranged below the second through hole and the fourth through hole, and the leads of the second coil winding are conducted with the second wiring terminals of the N laminated copper sheet windings through the public connection copper sheet. The utility model discloses a transformer has integrateed resonance inductance, compact structure, and unified from base bottom wiring, and the installation is simpler.
Although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A transformer integrated with a resonance inductor is characterized by comprising a transformer assembly, a resonance inductor assembly and a base for bearing the transformer assembly and the resonance inductor assembly; the transformer assembly comprises a pair of transformer magnetic cores, N +1 laminated copper sheet windings and N first coil windings; the resonant inductor assembly comprises a pair of inductor cores and a second coil winding;
the transformer assembly and the resonance inductance assembly are arranged on the base side by side, a first wire collecting groove and a second wire collecting groove which are used for collecting a first lead and a second lead of the first coil winding respectively are formed in the end portion of the base on one side of the transformer assembly, and a first wiring terminal, a second wiring terminal and a third wiring terminal which are used for the laminated copper sheet windings to penetrate through a first through hole, a second through hole and a third through hole respectively are formed in the base below each laminated copper sheet winding;
a fourth through hole and a fifth through hole which are used for a third lead and a fourth lead of the second coil winding to penetrate through are formed in the base below the resonance inductance component, a public connection copper sheet is arranged below the second through hole and the fourth through hole, and the third lead of the second coil winding is conducted with the second wiring terminals of the N +1 laminated copper sheet windings through the public connection copper sheet.
2. The transformer integrated with the resonance inductor as recited in claim 1, wherein the laminated copper sheet winding comprises a first copper sheet and a second copper sheet laminated to each other, the first copper sheet and the second copper sheet each comprise a ring-shaped copper sheet body with a notch, and a first pin and a second pin are respectively extended and disposed on the ring-shaped copper sheet body on both sides of the notch; after the first copper sheet and the second copper sheet are stacked, the first pin of the first copper sheet and the first pin of the second copper sheet form a second wiring terminal; the second pin of the first copper sheet forms the first wiring terminal; the second pin of the second copper sheet forms the third wiring terminal.
3. The transformer integrated with a resonance inductor as recited in claim 2, wherein the laminated copper sheet winding further comprises a first insulating paper layer, a second insulating paper layer and a third insulating paper layer which are arranged at intervals, the first copper sheet is sandwiched between the first insulating paper layer and the second insulating paper layer, and the second copper sheet is sandwiched between the second insulating paper layer and the third insulating paper layer.
4. The transformer integrated with the resonant inductor as claimed in claim 2 or 3, wherein the annular copper sheet body opposite to the center of the gap is outwardly extended and bent to form a tab for assisting heat dissipation of the transformer.
5. The transformer integrated with the resonant inductor as recited in claim 4, wherein a first groove matched with the shape of the laminated copper sheet winding and the first coil winding is arranged on the base under the transformer assembly; and a second groove matched with the shape of the second coil winding is formed in the base below the resonance inductance component.
6. The transformer integrated with a resonant inductor according to claim 1, wherein the first coil winding is a circular wire coil winding and the second coil winding is a flat wire coil winding.
7. The transformer integrated with a resonant inductor as recited in claim 1, wherein the base is provided with a shield for isolating the transformer assembly from the resonant inductor assembly.
8. The transformer integrated with resonance inductor as claimed in claim 1, wherein N +1 said laminated copper sheet windings and N said first coil windings are inserted through the central posts of said pair of transformer cores in such a manner that 2 said laminated copper sheet windings sandwich 1 said first coil winding.
9. The transformer integrated with the resonant inductor as recited in claim 1, wherein a first line concentrating terminal is disposed in the first line concentrating slot, a second line concentrating terminal is disposed in the second line concentrating slot, the first line concentrating terminal and the second line concentrating terminal each include a cross-shaped insertion portion and a line binding portion disposed at a top end of the insertion portion, the insertion portion of the first line concentrating terminal is disposed through a bottom of the first line concentrating slot, and the insertion portion of the second line concentrating terminal is disposed through a bottom of the second line concentrating slot.
10. The transformer integrated with a resonant inductor as recited in claim 1, wherein the common connection copper sheet is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220679931.9U CN217061723U (en) | 2022-03-25 | 2022-03-25 | Transformer integrated with resonant inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220679931.9U CN217061723U (en) | 2022-03-25 | 2022-03-25 | Transformer integrated with resonant inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217061723U true CN217061723U (en) | 2022-07-26 |
Family
ID=82467048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220679931.9U Active CN217061723U (en) | 2022-03-25 | 2022-03-25 | Transformer integrated with resonant inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217061723U (en) |
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2022
- 2022-03-25 CN CN202220679931.9U patent/CN217061723U/en active Active
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