High-power vehicle-mounted potting vertical flat transformer
By designing a potted vertical flat panel structure with integrated voltage transformer, resonance and filtering functions in the on-board high-power transformer, the shortcomings of existing on-board high-power transformers in terms of electromagnetic interference and space occupation are solved, and more efficient performance matching and cost savings are achieved.
Patent Information
- Application Number
- CN202421958325.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-13
AI Technical Summary
The existing high-power transformers on-board vehicles have shortcomings in their anti-electromagnetic interference capabilities and space occupation, resulting in increased system complexity and cost, limiting design flexibility and optimization of vehicle performance.
A high-power vehicle-mounted vertical flat plate transformer is designed. By forming a voltage transformer between the first magnetic core, the second magnetic core and the transformer frame, forming a resonant inductance between the resonant magnetic core, the first magnetic core and the resonant frame, and forming a filtering function in the magnetic ring member, integrating voltage transformer, resonance and filtering functions.
Without changing the transformer volume, the integration of transformer, resonance and filtering is achieved, matching customers' demand for high power, improving anti-electromagnetic interference capabilities, and saving space and cost.
Smart Images
Figure CN222980275U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformers, and particularly relates to a high-power vehicle-mounted potted vertical flat transformer. Background Art
[0002] As a key component in electric vehicles, hybrid vehicles, and other vehicle-mounted power systems, the performance of vehicle-mounted high-power transformers directly affects the running stability and efficiency of vehicles. However, the existing vehicle-mounted high-power transformers have obvious deficiencies in anti-electromagnetic interference ability and space occupation. In order to improve the performance of the transformer, it is necessary to separately configure components such as a separate transformer, a resonant inductor, and a magnetic ring, which not only occupies valuable space inside the vehicle, but also increases the complexity and cost of the system, limiting the design flexibility and the optimization of the overall vehicle performance. Content of the Utility Model
[0003] The purpose of the utility model is to provide a high-power vehicle-mounted potted vertical flat transformer for the above deficiencies in the prior art.
[0004] The purpose of the utility model is achieved through the following technical solutions: A high-power vehicle-mounted potted vertical flat transformer includes a base; the base is provided with a first magnetic core, a second magnetic core, and a resonant magnetic core arranged side by side;
[0005] One side of the first magnetic core is provided with a first core column; the second magnetic core is provided with a second core column; the resonant magnetic core is provided with a resonant core column; the first core column abuts against the second core column; the resonant core column abuts against the other side of the first magnetic core;
[0006] The high-power vehicle-mounted potted vertical flat transformer further includes a transformer skeleton and a resonant skeleton; the transformer skeleton is sleeved outside the first core column and the second core column; the resonant skeleton is sleeved outside the resonant core column;
[0007] The base is provided with a magnetic ring component; a primary coil is wound between the magnetic ring component, the transformer skeleton, and the resonant skeleton; a secondary coil is wound around the transformer skeleton; a magnetic ring coil is wound around the magnetic ring component.
[0008] The utility model is further configured such that the resonant skeleton includes a first resonant baffle and a second resonant baffle; a resonant winding column is arranged between the first resonant baffle and the second resonant baffle; the first resonant baffle, the second resonant baffle, and the resonant winding column are all hollow structures; the resonant core column passes through between the first resonant baffle, the second resonant baffle, and the resonant winding column; a resonant winding groove is formed between the first resonant baffle, the second resonant baffle, and the resonant winding column.
[0009] The utility model is further configured such that the side wall of the first resonance baffle and the side wall of the second resonance baffle are both penetrated with a first heat dissipation hole connected to the resonance winding groove;
[0010] The resonant winding column is penetrated by a second heat dissipation hole;
[0011] The first resonance baffle is provided with a first limiting boss matched with the resonance magnetic core; the second resonance baffle is provided with a second limiting boss matched with the first magnetic core.
[0012] The utility model is further configured that the transformer skeleton includes a first transformer baffle, a second transformer baffle, a third transformer baffle and a fourth transformer baffle which are sequentially arranged side by side;
[0013] A first primary winding column is provided between the first transformer baffle and the second transformer baffle; a secondary winding column is provided between the second transformer baffle and the third transformer baffle; a second primary winding column is provided between the third transformer baffle and the fourth transformer baffle;
[0014] The first core column and the second core column are arranged between the first transformer baffle, the second transformer baffle, the third transformer baffle, the fourth transformer baffle, the first primary winding column, the second primary winding column and the secondary winding column;
[0015] A first primary winding groove is formed between the first transformer baffle, the second transformer baffle and the first primary winding pole; a secondary winding groove is formed between the second transformer baffle, the third transformer baffle and the secondary winding pole; a second primary winding groove is formed between the third transformer baffle, the fourth transformer baffle and the second primary winding pole.
[0016] The utility model is further configured such that the side wall of the first transformer baffle, the side wall of the second transformer baffle, the side wall of the third transformer baffle and the side wall of the fourth transformer baffle are all penetrated with third heat dissipation holes;
[0017] The first primary winding column, the second primary winding column and the secondary winding column are all penetrated by a fourth heat dissipation hole;
[0018] The first voltage-transforming baffle is provided with a third limiting boss matched with the first magnetic core; the fourth voltage-transforming baffle is provided with a fourth limiting boss matched with the second magnetic core.
[0019] The utility model is further configured that the top of the base is inwardly recessed to form a potting groove; a primary side wire hole is penetrated on one side of the potting groove; a secondary side wire hole is penetrated on the other side of the potting groove;
[0020] The potting groove is provided with a magnetic ring groove; a magnetic ring wire hole is provided through the potting groove; and the magnetic ring member is arranged in the magnetic ring groove;
[0021] The potting groove is provided with a potting port running through it;
[0022] The bottom of the base is recessed inward to form a tin-penetrating groove; the primary wire passing hole, the secondary wire passing hole, and the magnetic ring wire passing hole are all arranged in the tin-penetrating groove.
[0023] The present utility model is further configured such that the primary wire passing hole includes a primary wire inlet hole and a primary wire outlet hole; the magnetic ring groove is arranged on one side of the potting groove; the primary wire inlet hole is arranged in the middle of the magnetic ring groove; one end of the primary coil passes through the primary wire inlet hole; the other end of the primary coil sequentially winds around the magnetic ring part, the resonance winding groove, the first primary winding groove, and the second primary winding groove and then passes out from the primary wire outlet hole.
[0024] The present utility model is further configured such that the magnetic ring wire passing hole includes a magnetic ring inlet hole and a magnetic ring outlet hole; the magnetic ring inlet hole and the magnetic ring outlet hole are arranged between the primary wire passing hole and the secondary wire passing hole; one end of the magnetic ring coil passes through the magnetic ring inlet hole; the other end of the magnetic ring coil winds around the magnetic ring part and then passes out from the magnetic ring outlet hole.
[0025] The present utility model is further configured such that the secondary wire passing hole includes a first secondary wire inlet hole, a second secondary wire inlet hole, a first secondary wire outlet hole, and a second secondary wire outlet hole; the first secondary wire inlet hole, the second secondary wire inlet hole, the first secondary wire outlet hole, and the second secondary wire outlet hole are arranged on the same straight line; the first secondary wire inlet hole and the first secondary wire outlet hole are arranged between the second secondary wire inlet hole and the second secondary wire outlet hole;
[0026] One end of the secondary coil passes through the first secondary wire inlet hole; the other end of the secondary coil winds around the secondary winding groove and then passes out from the first secondary wire outlet hole.
[0027] The present utility model is further configured such that the potting groove is provided with an enclosing cavity at the magnetic ring groove; the magnetic ring groove is arranged in the enclosing cavity;
[0028] The potting port includes a first potting port arranged between the primary wire passing hole and the secondary wire passing hole;
[0029] The potting port further includes a second potting port arranged at the end of the potting groove;
[0030] The top of the base is provided with a boss part; a limiting groove is formed between the boss part and the base; the resonance magnetic core is arranged in the limiting groove.
[0031] Advantages of the present utility model: The present utility model forms a voltage transformation function between the first magnetic core, the second magnetic core and the transformer skeleton, forms a resonant inductor function between the resonant magnetic core, the first magnetic core and the resonant skeleton, and forms a filtering function in the magnetic ring component; enabling the integration of voltage transformation, resonance and filtering functions without changing the volume of the transformer, and matching the high power required by customers. Brief Description of the Drawings
[0032] The present utility model will be further described with reference to the accompanying drawings. However, the embodiments in the drawings do not constitute any limitation to the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to the following drawings without creative efforts.
[0033] Figure 1 is a schematic structural diagram of the present utility model;
[0034] Figure 2 is a schematic structural diagram of the present utility model after hiding the primary coil and the secondary coil;
[0035] Figure 3 is a cross-sectional view of the present utility model;
[0036] Figure 4 is an exploded structural diagram of the present utility model after hiding the primary coil and the secondary coil;
[0037] Figure 5 is a schematic structural diagram of the resonant skeleton of the present utility model;
[0038] Figure 6 is a schematic structural diagram of the transformer skeleton of the present utility model;
[0039] Figure 7 is a schematic structural diagram of the transformer skeleton of the present utility model from another perspective;
[0040] Figure 8 is a schematic structural diagram of the base of the present utility model;
[0041] Figure 9 is a schematic structural diagram of the base of the present utility model from another perspective;
[0042] Wherein: 1. Base; 111. Boss portion; 112. Limit groove; 12. Potting groove; 131. Primary side inlet hole; 132. Primary side outlet hole; 141. First secondary side inlet hole; 142. Second secondary side inlet hole; 143. First secondary side outlet hole; 144. Second secondary side outlet hole; 151. Ferrite core inlet hole; 152. Ferrite core outlet hole; 16. Ferrite core groove; 161. Enclosed cavity; 171. First potting port; 172. Second potting port; 18. Tin penetration groove; 2. First magnetic core; 21. First core column; 3. Second magnetic core; 31. Second core column; 4. Resonant magnetic core; 41. Resonant core column; 5. Ferrite core component; 61. Primary side coil; 62. Secondary side coil; 71. First resonant baffle; 72. Second resonant baffle; 73. Resonant winding post; 74. Resonant winding groove; 75. First heat dissipation hole; 76. Second heat dissipation hole; 77. First limiting boss; 78. Second limiting boss; 811. First transformer baffle; 812. Second transformer baffle; 813. Third transformer baffle; 814. Fourth transformer baffle; 821. First primary side winding post; 822. Second primary side winding post; 83. Secondary side winding post; 841. First primary side winding groove; 842. Second primary side winding groove; 85. Secondary side winding groove; 86. Third heat dissipation hole; 87. Fourth heat dissipation hole; 88. Third limiting boss; 89. Fourth limiting boss. Detailed implementation manners
[0043] The present utility model will be further described in conjunction with the following embodiments.
[0044] It can be seen from Figures 1 to 9 that a high-power vehicle-mounted potted vertical flat transformer described in this embodiment includes a base 1; the base 1 is provided with a first magnetic core 2, a second magnetic core 3 and a resonant magnetic core 4 arranged side by side;
[0045] A first core column 21 is provided on one side of the first magnetic core 2; the second magnetic core 3 is provided with a second core column 31; the resonant magnetic core 4 is provided with a resonant core column 41; the first core column 21 abuts against the second core column 31; the resonant core column 41 abuts against the other side of the first magnetic core 2;
[0046] The high-power vehicle-mounted potted vertical flat transformer further includes a transformer skeleton and a resonant skeleton; the transformer skeleton is sleeved outside the first core column 21 and outside the second core column 31; the resonant skeleton is sleeved outside the resonant core column 41;
[0047] The base 1 is provided with a ferrite core component 5; a primary side coil 61 is wound between the ferrite core component 5, the transformer skeleton and the resonant skeleton; a secondary side coil 62 is wound around the transformer skeleton; a ferrite core coil is wound around the ferrite core component 5.
[0048] Specifically, for the high-power vehicle-mounted potted vertical flat transformer described in this embodiment, a voltage transformation function is formed between the first magnetic core 2, the second magnetic core 3 and the voltage transformation skeleton, a resonance inductance function is formed between the resonance magnetic core 4, the first magnetic core 2 and the resonance skeleton, and a filtering function is formed in the magnetic ring part 5; in addition, the magnetic ring part 5 can also form a current transformer for detecting current.
[0049] Through the above settings, it is possible to integrate voltage transformation, resonance and filtering functions without changing the volume of the transformer, and match the high power required by customers.
[0050] In addition, the primary coils 61 of the magnetic ring part 5, the primary coils 61 of the resonance skeleton and the primary coils 61 of the voltage transformation skeleton are all wound by a single enameled wire, which can preferentially save space and make the overall structure stable and reliable.
[0051] For the high-power vehicle-mounted potted vertical flat transformer described in this embodiment, the resonance skeleton includes a first resonance baffle 71 and a second resonance baffle 72; a resonance winding column 73 is provided between the first resonance baffle 71 and the second resonance baffle 72; the first resonance baffle 71, the second resonance baffle 72 and the resonance winding column 73 are all hollow structures; the resonance core column 41 passes through between the first resonance baffle 71, the second resonance baffle 72 and the resonance winding column 73; a resonance winding groove 74 is formed between the first resonance baffle 71, the second resonance baffle 72 and the resonance winding column 73.
[0052] Specifically, through the above settings, the primary coil 61 of the resonance skeleton can be wound between the resonance winding groove 74 and the resonance winding column 73, making the overall structure stable and reliable, and at the same time having a compact structure.
[0053] For the high-power vehicle-mounted potted vertical flat transformer described in this embodiment, the side walls of the first resonance baffle 71 and the second resonance baffle 72 are both provided with first heat dissipation holes 75 communicating with the resonance winding groove 74; by setting the first heat dissipation holes 75, the primary coil 61 of the resonance skeleton can be effectively dissipated.
[0054] The resonance winding column 73 is provided with second heat dissipation holes 76; by setting the second heat dissipation holes 76, the resonance core column 41 can be effectively dissipated.
[0055] The first resonance baffle 71 is provided with a first limiting boss 77 for cooperating with the resonance magnetic core 4; the second resonance baffle 72 is provided with a second limiting boss 78 for cooperating with the first magnetic core 2. By setting the first limiting boss 77 and the second limiting boss 78, the connection between the first resonance baffle 71, the resonance magnetic core 4, the second resonance baffle 72 and the first magnetic core 2 is stable and reliable.
[0056] A high-power vehicle-mounted potted vertical flat transformer according to this embodiment, the transformer skeleton includes a first transformer baffle 811, a second transformer baffle 812, a third transformer baffle 813, and a fourth transformer baffle 814 arranged side by side in sequence;
[0057] A first primary winding column 821 is provided between the first transformer baffle 811 and the second transformer baffle 812; a secondary winding column 83 is provided between the second transformer baffle 812 and the third transformer baffle 813; a second primary winding column 822 is provided between the third transformer baffle 813 and the fourth transformer baffle 814;
[0058] The first core column 21 and the second core column 31 are passed through between the first transformer baffle 811, the second transformer baffle 812, the third transformer baffle 813, the fourth transformer baffle 814, the first primary winding column 821, the second primary winding column 822, and the secondary winding column 83;
[0059] A first primary winding groove 841 is formed between the first transformer baffle 811, the second transformer baffle 812, and the first primary winding column 821; a secondary winding groove 85 is formed between the second transformer baffle 812, the third transformer baffle 813, and the secondary winding column 83; a second primary winding groove 842 is formed between the third transformer baffle 813, the fourth transformer baffle 814, and the second primary winding column 822.
[0060] Specifically, through the above settings, the primary coil 61 of the transformer skeleton can be wound around the first primary winding groove 841 and the second primary winding groove 842, and at the same time, the secondary coil 62 can be wound around the secondary winding groove 85, making the overall structure stable and reliable, and the structure is compact.
[0061] A high-power vehicle-mounted potted vertical flat transformer according to this embodiment, third heat dissipation holes 86 are provided through the side walls of the first transformer baffle 811, the second transformer baffle 812, the third transformer baffle 813, and the fourth transformer baffle 814; by providing the third heat dissipation holes 86, the primary coil 61 and the secondary coil 62 of the transformer skeleton can be effectively dissipated;
[0062] Fourth heat dissipation holes 87 are provided through the first primary winding column 821, the second primary winding column 822, and the secondary winding column 83; by providing the fourth heat dissipation holes 87, the first core column 21 and the second core column 31 can be effectively dissipated.
[0063] The first transformer baffle 811 is provided with a third limiting boss 88 that cooperates with the first magnetic core 2; the fourth transformer baffle 814 is provided with a fourth limiting boss 89 that cooperates with the second magnetic core 3. Through the above settings, the connection between the first transformer baffle 811, the first magnetic core 2, the fourth transformer baffle 814, and the second magnetic core 3 is stable and reliable.
[0064] A high-power vehicle-mounted potted vertical flat transformer according to this embodiment, a potting groove 12 is formed by inward depression at the top of the base 1; a primary wire passing hole is provided through one side of the potting groove 12; a secondary wire passing hole is provided through the other side of the potting groove 12;
[0065] The potting groove 12 is provided with a magnetic ring groove 16; a magnetic ring wire passing hole is provided through the potting groove 12; the magnetic ring member 5 is arranged in the magnetic ring groove 16;
[0066] A potting port is provided through the potting groove 12;
[0067] A tin-penetrating groove 18 is formed by inward depression at the bottom of the base 1; the primary wire passing hole, the secondary wire passing hole, and the magnetic ring wire passing hole are all arranged in the tin-penetrating groove 18.
[0068] In this embodiment, potting is carried out between the base 1, the resonant magnetic core 4, the first magnetic core 2, and the second magnetic core 3 in the potting groove 12 through the potting port. Without using an epoxy board, it can effectively save space and cost; in addition, by setting the tin-penetrating groove 18, and the primary wire passing hole, the secondary wire passing hole, and the magnetic ring wire passing hole are exposed in the tin-penetrating groove 18, it can be used for tin penetration when the product is inserted into the PCB board for wave soldering, avoiding poor tinning and pushing the product open.
[0069] A high-power vehicle-mounted potted vertical flat transformer according to this embodiment, the primary wire passing hole includes a primary wire inlet hole 131 and a primary wire outlet hole 132; the magnetic ring groove 16 is arranged on one side of the potting groove 12; the primary wire inlet hole 131 is arranged in the middle of the magnetic ring groove 16; one end of the primary coil 61 passes through the primary wire inlet hole 131; the other end of the primary coil 61 is sequentially wound around the magnetic ring member 5, the resonant winding groove 74, the first primary winding groove 841, and the second primary winding groove 842 and then passes out from the primary wire outlet hole 132.
[0070] Specifically, through the above settings, the primary coils 61 of the magnetic ring member 5, the primary coils 61 of the resonant skeleton, and the primary coils 61 of the transformer skeleton are all wound by one enameled wire, so that space can be preferentially saved, and the overall structure is stable and reliable.
[0071] A high-power vehicle-mounted potted vertical flat transformer according to this embodiment, the magnetic ring wire passing holes include a magnetic ring wire inlet hole 151 and a magnetic ring wire outlet hole 152; the magnetic ring wire inlet hole 151 and the magnetic ring wire outlet hole 152 are arranged between the primary wire passing hole and the secondary wire passing hole; one end of the magnetic ring coil passes through the magnetic ring wire inlet hole 151; the other end of the magnetic ring coil winds around the magnetic ring part 5 and then passes out from the magnetic ring wire outlet hole 152. Among them, the magnetic ring coil serves as the secondary side of the magnetic ring part 5.
[0072] A high-power vehicle-mounted potted vertical flat transformer according to this embodiment, the secondary wire passing holes include a first secondary wire inlet hole 141, a second secondary wire inlet hole 142, a first secondary wire outlet hole 143, and a second secondary wire outlet hole 144; the first secondary wire inlet hole 141, the second secondary wire inlet hole 142, the first secondary wire outlet hole 143, and the second secondary wire outlet hole 144 are arranged on the same straight line; the first secondary wire inlet hole 141 and the first secondary wire outlet hole 143 are arranged between the second secondary wire inlet hole 142 and the second secondary wire outlet hole 144;
[0073] One end of the secondary coil 62 passes through the first secondary wire inlet hole 141; the other end of the secondary coil 62 winds around the secondary winding groove 85 and then passes out from the first secondary wire outlet hole 143. Through the above settings, it is convenient to process the incoming and outgoing lines of the secondary coil 62, and the secondary coil 62 is wound around the secondary winding groove 85.
[0074] A high-power vehicle-mounted potted vertical flat transformer according to this embodiment, the potted groove 12 is provided with an enclosing cavity 161 at the magnetic ring groove 16; the magnetic ring groove 16 is arranged inside the enclosing cavity 161; through the above settings, the magnetic ring part 5 can be protected.
[0075] The potting port includes a first potting port 171 arranged between the primary wire passing hole and the secondary wire passing hole; through the above settings, the potting of the potted groove 12 is uniform.
[0076] The potting port further includes a second potting port 172 arranged at the end of the potted groove 12; through the above settings, the potting speed can be effectively improved.
[0077] The top of the base 1 is provided with a boss part 111; a limiting groove 112 is formed between the boss part 111 and the base 1; the resonant magnetic core 4 is arranged in the limiting groove 112. Through the above settings, the overall structure is stable and reliable.
[0078] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present utility model.
Claims
1. A high-power vehicle-mounted potted vertical flat-plate transformer, characterized in that: It comprises a base; the base is provided with a first magnetic core, a second magnetic core and a resonant magnetic core arranged side by side; A first core column is provided on one side of the first magnetic core; a second core column is provided on the second magnetic core; a resonant core column is provided on the resonant magnetic core; the first core column abuts against the second core column; the resonant core column abuts against the other side of the first magnetic core; The high-power vehicle-mounted potted vertical flat-plate transformer also includes a transformer frame and a resonance frame; the transformer frame is sleeved outside the first core column and the second core column; the resonance frame is sleeved outside the resonance core column; The base is provided with a magnetic ring part; a primary coil is wound between the magnetic ring part, the transformer frame and the resonance frame; a secondary coil is wound around the transformer frame; and a magnetic ring coil is wound around the magnetic ring part.
2. A high-power vehicle-mounted potted vertical flat-plate transformer according to claim 1, characterized in that: The resonant skeleton includes a first resonant baffle and a second resonant baffle; a resonant winding column is provided between the first resonant baffle and the second resonant baffle; the first resonant baffle, the second resonant baffle and the resonant winding column are all hollow structures; the resonant core column is passed through the first resonant baffle, the second resonant baffle and the resonant winding column; a resonant winding groove is formed between the first resonant baffle, the second resonant baffle and the resonant winding column.
3. A high-power vehicle-mounted potted vertical flat-plate transformer according to claim 2, characterized in that: The side wall of the first resonance baffle and the side wall of the second resonance baffle are both penetrated by a first heat dissipation hole connected to the resonance winding groove; The resonant winding column is penetrated by a second heat dissipation hole; The first resonance baffle is provided with a first limiting boss matched with the resonance magnetic core; the second resonance baffle is provided with a second limiting boss matched with the first magnetic core.
4. A high-power vehicle-mounted potted vertical flat-plate transformer according to claim 2, characterized in that: The transformer skeleton comprises a first transformer baffle, a second transformer baffle, a third transformer baffle and a fourth transformer baffle which are sequentially arranged side by side; A first primary winding column is provided between the first transformer baffle and the second transformer baffle; a secondary winding column is provided between the second transformer baffle and the third transformer baffle; a second primary winding column is provided between the third transformer baffle and the fourth transformer baffle; The first core column and the second core column are arranged between the first transformer baffle, the second transformer baffle, the third transformer baffle, the fourth transformer baffle, the first primary winding column, the second primary winding column and the secondary winding column; A first primary winding groove is formed between the first transformer baffle, the second transformer baffle and the first primary winding pole; a secondary winding groove is formed between the second transformer baffle, the third transformer baffle and the secondary winding pole; a second primary winding groove is formed between the third transformer baffle, the fourth transformer baffle and the second primary winding pole.
5. A high-power vehicle-mounted potted vertical flat-plate transformer according to claim 4, characterized in that: The side wall of the first transformer baffle, the side wall of the second transformer baffle, the side wall of the third transformer baffle and the side wall of the fourth transformer baffle are all penetrated with third heat dissipation holes; The first primary winding column, the second primary winding column and the secondary winding column are all penetrated by a fourth heat dissipation hole; The first voltage-transforming baffle is provided with a third limiting boss matched with the first magnetic core; the fourth voltage-transforming baffle is provided with a fourth limiting boss matched with the second magnetic core.
6. A high-power vehicle-mounted potted vertical flat-plate transformer according to claim 4, characterized in that: The top of the base is inwardly recessed to form a potting groove; a primary side wire hole is penetrated on one side of the potting groove; a secondary side wire hole is penetrated on the other side of the potting groove; The potting groove is provided with a magnetic ring groove; a magnetic ring wire hole is provided through the potting groove; and the magnetic ring member is arranged in the magnetic ring groove; The potting groove is provided with a glue filling port throughout; The bottom of the base is inwardly recessed to form a tin-penetrating groove; the primary side wire-passing hole, the secondary side wire-passing hole and the magnetic ring wire-passing hole are all arranged in the tin-penetrating groove.
7. A high-power vehicle-mounted potted vertical flat-plate transformer according to claim 6, characterized in that: The primary wire passing hole includes a primary wire inlet hole and a primary wire outlet hole; the magnetic ring groove is arranged on one side of the potting groove; the primary wire inlet hole is arranged in the middle of the magnetic ring groove; one end of the primary coil is passed through the primary wire inlet hole; the other end of the primary coil is successively wound around the magnetic ring part, the resonant winding groove, the first primary winding groove and the second primary winding groove, and then passes through the primary wire outlet hole.
8. The high-power vehicle-mounted potted vertical flat-plate transformer according to claim 6, characterized in that: The magnetic ring wire hole includes a magnetic ring wire inlet hole and a magnetic ring wire outlet hole; the magnetic ring wire inlet hole and the magnetic ring wire outlet hole are arranged between the primary side wire hole and the secondary side wire hole; one end of the magnetic ring coil is passed through the magnetic ring wire inlet hole; the other end of the magnetic ring coil is wound around the magnetic ring part and then passes through the magnetic ring wire outlet hole.
9. The high-power vehicle-mounted potted vertical flat-plate transformer according to claim 6, characterized in that: The secondary side wire holes include a first secondary side wire inlet hole, a second secondary side wire inlet hole, a first secondary side wire outlet hole and a second secondary side wire outlet hole; the first secondary side wire inlet hole, the second secondary side wire inlet hole, the first secondary side wire outlet hole and the second secondary side wire outlet hole are arranged on the same straight line; the first secondary side wire inlet hole and the first secondary side wire outlet hole are arranged between the second secondary side wire inlet hole and the second secondary side wire outlet hole; One end of the secondary coil is passed through the first secondary wire inlet hole; the other end of the secondary coil is wound around the secondary wire winding groove and then passed through the first secondary wire outlet hole.
10. The high-power vehicle-mounted potted vertical flat-plate transformer according to claim 6, characterized in that: The potting groove is provided with an enclosed cavity at the magnetic ring groove; the magnetic ring groove is provided in the enclosed cavity; The glue filling port comprises a first glue filling port provided between the primary side wire passing hole and the secondary side wire passing hole; The glue pouring port also includes a second glue pouring port provided at the end of the potting groove; A boss portion is provided on the top of the base; a limiting groove is formed between the boss portion and the base; and the resonant magnetic core is arranged in the limiting groove.