Integrated parallel transformer and electronic equipment
By setting up multiple parallel magnetic columns on the magnetic core, a parallel winding is set up in parallel winding, and the cross -parallel combination of multiple transformers can be achieved, which solves the problem of high output power transformers in the existing technology. Output power output and flexibility improvement.
Patent Information
- Application Number
- CN202421013087.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-10
AI Technical Summary
In the prior art, a transformer with high output power requires multiple transformers to work in parallel, resulting in complex circuit layout, large footprint, and additional resonant inductance to increase system complexity and cost.
By setting multiple parallel magnetic columns on the magnetic core, and multiple groups of parallel winding around each magnetic column, the interface and parallel combination of multiple transformers can be achieved to avoid the use of independent resonance inductance.
The high output power output of the transformer is implemented, and the cost of space occupation and production is reduced, and the flexibility of the application is improved. It does not need to be equipped with an additional resonance inductance.
Smart Images
Figure CN222421579U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of transformers, and in particular to an integrated parallel transformer and electronic equipment. Background Art
[0002] In the prior art, to achieve higher transformer output power, multiple transformers are often required to work in parallel in the circuit. For example, when the output power of a single transformer is 7.2kW, if a total output power of 22kW is required, the entire system circuit needs to be constructed by connecting three such transformers in parallel. However, this approach not only requires additional consideration of the position of each transformer in the circuit layout, but also significantly increases the overall footprint of the power system. In addition, each parallel transformer usually needs to be equipped with an independent resonant inductor to reduce the leakage inductance of the transformer, which undoubtedly increases the complexity and cost of the system and is not conducive to practical application. Utility Model Content
[0003] This application aims to solve at least one of the technical problems existing in the prior art. To this end, this application proposes an integrated parallel transformer and electronic device, which integrates multiple transformers using the same magnetic core, thereby reducing space occupation and production costs and improving application flexibility.
[0004] In a first aspect, the present application provides an integrated parallel transformer, comprising:
[0005] base plate;
[0006] A magnetic core, the magnetic core being arranged on the bottom plate, and having three mutually parallel first magnetic columns spaced apart in the magnetic core;
[0007] The first windings are provided in three groups, each of which is wound around the middle of the first magnetic column. One end of the three first windings is connected to form a common output end, and the other ends extend from different positions on the lower surface of the bottom plate to form a first output end, a second output end, and a third output end respectively;
[0008] The second winding is provided with three second windings, the first part and the second part of each second winding are wound around the outside of the corresponding first magnetic column and are respectively located on both sides of the first winding, one end of the three second windings is connected and passes through the lower surface of the base plate to form a common input end, and the other end passes through different positions of the lower surface of the base plate to form a first input end, a second input end and a third input end respectively.
[0009] According to the integrated parallel transformer of the embodiment of the first aspect of the present application, there are at least the following beneficial effects: the magnetic core is arranged on the bottom plate, and three mutually parallel first magnetic columns are arranged at intervals on the magnetic core, the first winding and the second winding are wound on the first magnetic column, the first winding serves as the secondary winding of the transformer and is located in the middle of the first magnetic column, the second winding serves as the primary winding of the transformer and is divided into a first part and a second part, the first part and the second part of the second winding are respectively located on both sides of the first winding, and the leakage inductance of the transformer can be controlled by this winding method, and there is no need to equip an additional independent resonant inductor. On the other hand, the three groups of first windings and second windings are respectively wound on three different first magnetic columns, and the three transformers are integrated together in an interlaced parallel manner. The wiring method of different output power can be selected according to user needs, which improves the flexibility of application. At the same time, this integration method can reduce space occupancy and production costs.
[0010] According to some embodiments of the first aspect of the present application, a skeleton is provided on the outer side of each first magnetic column, and the first winding and the second winding are respectively wound on the corresponding skeleton.
[0011] According to some embodiments of the first aspect of the present application, the skeleton is provided with a first groove, a second groove and a third groove at intervals along the length direction, the first winding is wound in the second groove corresponding to the skeleton, the first part of the second winding is wound in the first groove of the skeleton, and the second part of the second winding is wound in the third groove of the skeleton.
[0012] According to some embodiments of the first aspect of the present application, at least two plug-in blocks are provided on the outer bottom of the skeleton, and the bottom plate is provided with plug-in holes matching the plug-in blocks.
[0013] According to some embodiments of the first aspect of the present application, the number of coil turns of the first part of the second winding is equal to the number of coil turns of the second part.
[0014] According to some embodiments of the first aspect of the present application, the magnetic core is provided with a second magnetic column between each adjacent first magnetic column.
[0015] According to some embodiments of the first aspect of the present application, seven metal contacts are provided at the bottom of the base plate, and the seven metal contacts are respectively connected to the first output end, the second output end, the third output end, the first input end, the second input end, the third input end and the common input end.
[0016] According to some embodiments of the first aspect of the present application, the metal contacts of the first input terminal, the second input terminal and the third input terminal are located on the same side of the bottom of the base plate, and the metal contacts of the first output terminal, the second output terminal and the third output terminal are located on the same side of the bottom of the base plate.
[0017] According to some embodiments of the first aspect of the present application, mounting holes are provided around the base plate.
[0018] In a second aspect, the present application further provides an electronic device comprising an integrated parallel transformer as described in any embodiment of the first aspect.
[0019] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Additional aspects and advantages of the present application will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:
[0021] Figure 1 A schematic structural diagram of an integrated parallel transformer provided in some embodiments of the present application;
[0022] Figure 2 A schematic structural diagram of an integrated parallel transformer provided in some embodiments of the present application from another perspective;
[0023] Figure 3 A schematic structural diagram of a magnetic core provided in some embodiments of the present application;
[0024] Figure 4 A schematic structural diagram of the skeleton provided for some embodiments of the present application.
[0025] The accompanying figures are as follows:
[0026] Base plate 100; jack 110; mounting hole 120; magnetic core 200; first magnetic column 210; second magnetic column 220; skeleton 230; first groove 231; second groove 232; third groove 233; plug block 234; first winding 300; second winding 400; metal contact piece 500. DETAILED DESCRIPTION
[0027] The following describes in detail embodiments of the present application. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.
[0028] In the description of this application, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on this application.
[0029] In the description of this application, if there is a description of first or second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0030] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.
[0031] In the prior art, to achieve higher transformer output power, multiple transformers are often required to work in parallel in the circuit. For example, when the output power of a single transformer is 7.2kW, if a total output power of 22kW is required, the entire system circuit needs to be constructed by connecting three such transformers in parallel. However, this approach not only requires additional consideration of the position of each transformer in the circuit layout, but also significantly increases the overall footprint of the power system. In addition, each parallel transformer usually needs to be equipped with an independent resonant inductor to reduce the leakage inductance of the transformer, which undoubtedly increases the complexity and cost of the system and is not conducive to practical application.
[0032] Based on this, the present application provides an integrated parallel transformer and electronic device to solve the technical problems raised in the deletion. The technical solutions proposed in the present application are described in detail one by one below.
[0033] First, refer to Figures 1 to 3The present application provides an integrated parallel transformer, comprising: a base plate 100, a magnetic core 200, a first winding 300, and a second winding 400. The magnetic core 200 is arranged on the base plate 100, and three mutually parallel first magnetic columns 210 are spaced apart in the magnetic core 200; there are three groups of first windings 300, each of which is wound at the middle position of the corresponding first magnetic column 210, one end of the three first windings 300 is connected to form a common output terminal, and the other end passes through different positions on the lower surface of the base plate 100 to form a first output terminal, a second output terminal, and a third output terminal respectively; there are three second windings 400, the first part and the second part of each second winding 400 are wound around the outside of the corresponding first magnetic column 210 and are respectively located on both sides of the first winding 300, one end of the three second windings 400 is connected and passes through the lower surface of the base plate 100 to form a common input terminal, and the other end passes through different positions on the lower surface of the base plate 100 to form a first input terminal, a second input terminal, and a third input terminal respectively.
[0034] The magnetic core 200 is arranged on the base plate 100, and three mutually parallel first magnetic columns 210 are spaced apart on the magnetic core 200. The first winding 300 and the second winding 400 are wound on the first magnetic column 210. The first winding 300 serves as the secondary winding of the transformer and is located in the middle of the first magnetic column 210. The second winding 400 serves as the primary winding of the transformer and is divided into a first part and a second part. The first part and the second part of the second winding 400 are respectively located on both sides of the first winding 300. This winding method can control the leakage inductance of the transformer without the need for an additional independent resonant inductor. On the other hand, the three groups of first windings 300 and second windings 400 are respectively wound on three different first magnetic columns 210. The three transformers are integrated together using an interleaved parallel method. Different output power wiring methods can be selected according to user needs, which improves application flexibility. At the same time, this integration method can reduce space occupancy and production costs.
[0035] Reference Figure 1 and Figure 4 It can be understood that a skeleton 230 is provided on the outside of each first magnetic column 210, and the first winding 300 and the second winding 400 are respectively wound on the corresponding skeleton 230. The skeleton 230 can simultaneously limit the winding shape of the first winding 300 and the second winding 400, and can also limit the first winding 300 and the second winding 400 to prevent the first winding 300 or the second winding 400 from being offset on the first magnetic column 210 due to vibration of the external environment.
[0036] Continue to refer to Figure 1 and Figure 4Furthermore, the bobbin 230 is provided with a first groove 231, a second groove 232, and a third groove 233 at intervals along its length. The first winding 300 is wound in the second groove 232 of the bobbin 230, i.e., in the middle groove of the bobbin 230. The first portion of the second winding 400 is wound in the first groove 231 of the bobbin 230, and the second portion of the second winding 400 is wound in the third groove 233 of the bobbin 230. In this embodiment, the first groove 231, the second groove 232, and the third groove 233 provided on the bobbin 230 respectively limit the first portion of the second winding 400, the first winding 300, and the second portion of the second winding 400, thereby preventing the first winding 300 and the second winding 400 from interlacing due to external environmental vibration during use, thereby affecting the operating performance of the transformer.
[0037] Reference Figure 2 and Figure 4 As will be appreciated, at least two insert blocks 234 are provided on the outer bottom of the frame 230, and the base plate 100 is provided with sockets 110 that match the insert blocks 234. The insert blocks 234 of the frame 230 are inserted into the sockets 110 of the base plate 100. The two insertion positions secure the frame 230, preventing it from moving within the first magnetic column 210 during use, which could affect the transformer's performance and improve transformer stability.
[0038] Reference Figure 1 and Figure 2 It is understood that the number of turns of the first portion of the second winding 400 is equal to the number of turns of the second portion. In this embodiment, the number of turns of the first winding 300 is 12, and the number of turns of the second winding 400 is 14, wherein both the first portion and the second portion include 7 turns, which is not limited in this application.
[0039] Reference Figure 3 It is understood that the magnetic core 200 is provided with a second magnetic column 220 between each adjacent first magnetic column 210. The second magnetic column 220 is provided between two adjacent first magnetic columns 210 to prevent the magnetic field generated by the two adjacent first magnetic columns 210 from interfering with other electronic components, thereby improving the overall operating stability of the integrated parallel transformer provided by the present application.
[0040] Reference Figure 2 It can be understood that seven metal contacts 500 are provided at the bottom of the base plate 100, and the seven metal contacts 500 are respectively connected to the first output terminal, the second output terminal, the third output terminal, the first input terminal, the second input terminal, the third input terminal and the common input terminal.
[0041] It is understood that the metal contacts 500 for the first, second, and third input terminals are located on the same side of the bottom of the base plate 100, and the metal contacts 500 for the first, second, and third output terminals are located on the same side of the bottom of the base plate 100. The metal contacts 500 for all input terminals are located on the same side, as are the metal contacts 500 for all output terminals. This layout eliminates the need for complex wiring on both sides of the base plate 100 when connecting to external circuits, allowing for more efficient use of space and a more compact layout of the entire base plate 100.
[0042] Reference Figure 1 and Figure 2 It is understandable that mounting holes 120 are provided around the base plate 100 .
[0043] In a second aspect, the present application further provides an electronic device comprising an integrated parallel transformer according to any embodiment of the first aspect. The functions and principles of the electronic device of this embodiment are based on the aforementioned integrated parallel transformer. Therefore, the electronic device of this embodiment has the same beneficial effects as the aforementioned integrated parallel transformer, and to save space, a detailed description thereof will not be repeated here.
[0044] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present application.
Claims
1. An integrated parallel transformer, characterized in that: include: Base plate; A magnetic core, the magnetic core is arranged on the bottom plate, and three mutually parallel first magnetic columns are arranged in the magnetic core; The first winding is provided with three groups, each of which is respectively wound at the middle position of the corresponding first magnetic column, one end of the three first windings is connected to form a common output end, and the other end is passed through different positions of the lower surface of the bottom plate to form a first output end, a second output end and a third output end respectively; The second winding, there are three second windings, the first part and the second part of each second winding are wound around the outside of the corresponding first magnetic column and are respectively located on both sides of the first winding, one end of the three second windings are connected and pass through the lower surface of the bottom plate to form a common input end, and the other ends pass through different positions of the lower surface of the bottom plate to respectively form a first input end, a second input end and a third input end.
2. The integrated parallel transformer according to claim 1, characterized in that: A frame is sleeved on the outer side of each first magnetic column, and the first winding and the second winding are respectively wound on the corresponding frame.
3. The integrated parallel transformer according to claim 2, characterized in that: The skeleton is provided with a first groove, a second groove and a third groove at intervals along the length direction; the first winding is wound in the second groove corresponding to the skeleton; the first part of the second winding is wound in the first groove of the skeleton; and the second part of the second winding is wound in the third groove of the skeleton.
4. The integrated parallel transformer according to claim 2 or 3, characterized in that: At least two plug-in blocks are arranged at the outer bottom of the frame, and the bottom plate is provided with plug-in holes matching with the plug-in blocks.
5. The integrated parallel transformer according to claim 1, characterized in that: The number of coil turns of the first part of the second winding is equal to the number of coil turns of the second part.
6. The integrated parallel transformer according to claim 1, characterized in that: The magnetic core is provided with a second magnetic column between each adjacent first magnetic column.
7. The integrated parallel transformer according to claim 1, characterized in that: Seven metal contacts are provided at the bottom of the base plate, and the seven metal contacts are respectively connected to the first output end, the second output end, the third output end, the first input end, the second input end, the third input end and the common input end.
8. The integrated parallel transformer according to claim 7, characterized in that: The metal contacts of the first input terminal, the second input terminal and the third input terminal are located on the same side of the bottom of the base plate, and the metal contacts of the first output terminal, the second output terminal and the third output terminal are located on the same side of the bottom of the base plate.
9. The integrated parallel transformer according to claim 1, characterized in that: The base plate is provided with mounting holes around its periphery.
10. An electronic device, characterized in that: Comprising the integrated parallel transformer as described in any one of claims 1 to 9.